Mercurial > vim
view src/ops.c @ 17827:6de5558c5242 v8.1.1910
patch 8.1.1910: redrawing too much when toggling 'relativenumber'
Commit: https://github.com/vim/vim/commit/448262176b382c63bd2faa9a1354670a4eede36b
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Aug 22 21:23:20 2019 +0200
patch 8.1.1910: redrawing too much when toggling 'relativenumber'
Problem: Redrawing too much when toggling 'relativenumber'.
Solution: Only clear when 'signcolumn' is set to "number". (Yegappan
Lakshmanan, closes #4852)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Thu, 22 Aug 2019 21:30:03 +0200 |
parents | ec1717981acf |
children | 0b351691071c |
line wrap: on
line source
/* vi:set ts=8 sts=4 sw=4 noet: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. * See README.txt for an overview of the Vim source code. */ /* * ops.c: implementation of various operators: op_shift, op_delete, op_tilde, * op_change, op_yank, do_put, do_join */ #include "vim.h" /* * Number of registers. * 0 = unnamed register, for normal yanks and puts * 1..9 = registers '1' to '9', for deletes * 10..35 = registers 'a' to 'z' * 36 = delete register '-' * 37 = Selection register '*'. Only if FEAT_CLIPBOARD defined * 38 = Clipboard register '+'. Only if FEAT_CLIPBOARD and FEAT_X11 defined */ static yankreg_T y_regs[NUM_REGISTERS]; static yankreg_T *y_current; /* ptr to current yankreg */ static int y_append; /* TRUE when appending */ static yankreg_T *y_previous = NULL; /* ptr to last written yankreg */ /* * structure used by block_prep, op_delete and op_yank for blockwise operators * also op_change, op_shift, op_insert, op_replace - AKelly */ struct block_def { int startspaces; /* 'extra' cols before first char */ int endspaces; /* 'extra' cols after last char */ int textlen; /* chars in block */ char_u *textstart; /* pointer to 1st char (partially) in block */ colnr_T textcol; /* index of chars (partially) in block */ colnr_T start_vcol; /* start col of 1st char wholly inside block */ colnr_T end_vcol; /* start col of 1st char wholly after block */ int is_short; /* TRUE if line is too short to fit in block */ int is_MAX; /* TRUE if curswant==MAXCOL when starting */ int is_oneChar; /* TRUE if block within one character */ int pre_whitesp; /* screen cols of ws before block */ int pre_whitesp_c; /* chars of ws before block */ colnr_T end_char_vcols; /* number of vcols of post-block char */ colnr_T start_char_vcols; /* number of vcols of pre-block char */ }; static void shift_block(oparg_T *oap, int amount); static int stuff_yank(int, char_u *); static void put_reedit_in_typebuf(int silent); static int put_in_typebuf(char_u *s, int esc, int colon, int silent); static void stuffescaped(char_u *arg, int literally); static void mb_adjust_opend(oparg_T *oap); static void free_yank_all(void); static int yank_copy_line(struct block_def *bd, long y_idx); #ifdef FEAT_CLIPBOARD static void copy_yank_reg(yankreg_T *reg); static void may_set_selection(void); #endif #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) static int preprocs_left(void); #endif static void dis_msg(char_u *p, int skip_esc); static void block_prep(oparg_T *oap, struct block_def *, linenr_T, int); static int do_addsub(int op_type, pos_T *pos, int length, linenr_T Prenum1); #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) static void str_to_reg(yankreg_T *y_ptr, int yank_type, char_u *str, long len, long blocklen, int str_list); #endif static int ends_in_white(linenr_T lnum); #ifdef FEAT_COMMENTS static int fmt_check_par(linenr_T, int *, char_u **, int do_comments); #else static int fmt_check_par(linenr_T); #endif // Flags for third item in "opchars". #define OPF_LINES 1 // operator always works on lines #define OPF_CHANGE 2 // operator changes text /* * The names of operators. * IMPORTANT: Index must correspond with defines in vim.h!!! * The third field holds OPF_ flags. */ static char opchars[][3] = { {NUL, NUL, 0}, // OP_NOP {'d', NUL, OPF_CHANGE}, // OP_DELETE {'y', NUL, 0}, // OP_YANK {'c', NUL, OPF_CHANGE}, // OP_CHANGE {'<', NUL, OPF_LINES | OPF_CHANGE}, // OP_LSHIFT {'>', NUL, OPF_LINES | OPF_CHANGE}, // OP_RSHIFT {'!', NUL, OPF_LINES | OPF_CHANGE}, // OP_FILTER {'g', '~', OPF_CHANGE}, // OP_TILDE {'=', NUL, OPF_LINES | OPF_CHANGE}, // OP_INDENT {'g', 'q', OPF_LINES | OPF_CHANGE}, // OP_FORMAT {':', NUL, OPF_LINES}, // OP_COLON {'g', 'U', OPF_CHANGE}, // OP_UPPER {'g', 'u', OPF_CHANGE}, // OP_LOWER {'J', NUL, OPF_LINES | OPF_CHANGE}, // DO_JOIN {'g', 'J', OPF_LINES | OPF_CHANGE}, // DO_JOIN_NS {'g', '?', OPF_CHANGE}, // OP_ROT13 {'r', NUL, OPF_CHANGE}, // OP_REPLACE {'I', NUL, OPF_CHANGE}, // OP_INSERT {'A', NUL, OPF_CHANGE}, // OP_APPEND {'z', 'f', OPF_LINES}, // OP_FOLD {'z', 'o', OPF_LINES}, // OP_FOLDOPEN {'z', 'O', OPF_LINES}, // OP_FOLDOPENREC {'z', 'c', OPF_LINES}, // OP_FOLDCLOSE {'z', 'C', OPF_LINES}, // OP_FOLDCLOSEREC {'z', 'd', OPF_LINES}, // OP_FOLDDEL {'z', 'D', OPF_LINES}, // OP_FOLDDELREC {'g', 'w', OPF_LINES | OPF_CHANGE}, // OP_FORMAT2 {'g', '@', OPF_CHANGE}, // OP_FUNCTION {Ctrl_A, NUL, OPF_CHANGE}, // OP_NR_ADD {Ctrl_X, NUL, OPF_CHANGE}, // OP_NR_SUB }; yankreg_T * get_y_regs(void) { return y_regs; } yankreg_T * get_y_current(void) { return y_current; } yankreg_T * get_y_previous(void) { return y_previous; } void set_y_previous(yankreg_T *yreg) { y_previous = yreg; } /* * Translate a command name into an operator type. * Must only be called with a valid operator name! */ int get_op_type(int char1, int char2) { int i; if (char1 == 'r') /* ignore second character */ return OP_REPLACE; if (char1 == '~') /* when tilde is an operator */ return OP_TILDE; if (char1 == 'g' && char2 == Ctrl_A) /* add */ return OP_NR_ADD; if (char1 == 'g' && char2 == Ctrl_X) /* subtract */ return OP_NR_SUB; for (i = 0; ; ++i) { if (opchars[i][0] == char1 && opchars[i][1] == char2) break; if (i == (int)(sizeof(opchars) / sizeof(char [3]) - 1)) { internal_error("get_op_type()"); break; } } return i; } /* * Return TRUE if operator "op" always works on whole lines. */ int op_on_lines(int op) { return opchars[op][2] & OPF_LINES; } #if defined(FEAT_JOB_CHANNEL) || defined(PROTO) /* * Return TRUE if operator "op" changes text. */ int op_is_change(int op) { return opchars[op][2] & OPF_CHANGE; } #endif /* * Get first operator command character. * Returns 'g' or 'z' if there is another command character. */ int get_op_char(int optype) { return opchars[optype][0]; } /* * Get second operator command character. */ int get_extra_op_char(int optype) { return opchars[optype][1]; } /* * op_shift - handle a shift operation */ void op_shift(oparg_T *oap, int curs_top, int amount) { long i; int first_char; int block_col = 0; if (u_save((linenr_T)(oap->start.lnum - 1), (linenr_T)(oap->end.lnum + 1)) == FAIL) return; if (oap->block_mode) block_col = curwin->w_cursor.col; for (i = oap->line_count; --i >= 0; ) { first_char = *ml_get_curline(); if (first_char == NUL) /* empty line */ curwin->w_cursor.col = 0; else if (oap->block_mode) shift_block(oap, amount); else /* Move the line right if it doesn't start with '#', 'smartindent' * isn't set or 'cindent' isn't set or '#' isn't in 'cino'. */ #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) if (first_char != '#' || !preprocs_left()) #endif shift_line(oap->op_type == OP_LSHIFT, p_sr, amount, FALSE); ++curwin->w_cursor.lnum; } changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); if (oap->block_mode) { curwin->w_cursor.lnum = oap->start.lnum; curwin->w_cursor.col = block_col; } else if (curs_top) /* put cursor on first line, for ">>" */ { curwin->w_cursor.lnum = oap->start.lnum; beginline(BL_SOL | BL_FIX); /* shift_line() may have set cursor.col */ } else --curwin->w_cursor.lnum; /* put cursor on last line, for ":>" */ #ifdef FEAT_FOLDING /* The cursor line is not in a closed fold */ foldOpenCursor(); #endif if (oap->line_count > p_report) { char *op; char *msg_line_single; char *msg_line_plural; if (oap->op_type == OP_RSHIFT) op = ">"; else op = "<"; msg_line_single = NGETTEXT("%ld line %sed %d time", "%ld line %sed %d times", amount); msg_line_plural = NGETTEXT("%ld lines %sed %d time", "%ld lines %sed %d times", amount); vim_snprintf((char *)IObuff, IOSIZE, NGETTEXT(msg_line_single, msg_line_plural, oap->line_count), oap->line_count, op, amount); msg((char *)IObuff); } /* * Set "'[" and "']" marks. */ curbuf->b_op_start = oap->start; curbuf->b_op_end.lnum = oap->end.lnum; curbuf->b_op_end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); if (curbuf->b_op_end.col > 0) --curbuf->b_op_end.col; } /* * Shift the current line one shiftwidth left (if left != 0) or right * leaves cursor on first blank in the line. */ void shift_line( int left, int round, int amount, int call_changed_bytes) /* call changed_bytes() */ { int count; int i, j; int p_sw = (int)get_sw_value_indent(curbuf); count = get_indent(); /* get current indent */ if (round) /* round off indent */ { i = count / p_sw; /* number of p_sw rounded down */ j = count % p_sw; /* extra spaces */ if (j && left) /* first remove extra spaces */ --amount; if (left) { i -= amount; if (i < 0) i = 0; } else i += amount; count = i * p_sw; } else /* original vi indent */ { if (left) { count -= p_sw * amount; if (count < 0) count = 0; } else count += p_sw * amount; } /* Set new indent */ if (State & VREPLACE_FLAG) change_indent(INDENT_SET, count, FALSE, NUL, call_changed_bytes); else (void)set_indent(count, call_changed_bytes ? SIN_CHANGED : 0); } /* * Shift one line of the current block one shiftwidth right or left. * Leaves cursor on first character in block. */ static void shift_block(oparg_T *oap, int amount) { int left = (oap->op_type == OP_LSHIFT); int oldstate = State; int total; char_u *newp, *oldp; int oldcol = curwin->w_cursor.col; int p_sw = (int)get_sw_value_indent(curbuf); #ifdef FEAT_VARTABS int *p_vts = curbuf->b_p_vts_array; #endif int p_ts = (int)curbuf->b_p_ts; struct block_def bd; int incr; colnr_T ws_vcol; int i = 0, j = 0; int len; #ifdef FEAT_RIGHTLEFT int old_p_ri = p_ri; p_ri = 0; /* don't want revins in indent */ #endif State = INSERT; /* don't want REPLACE for State */ block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); if (bd.is_short) return; /* total is number of screen columns to be inserted/removed */ total = (int)((unsigned)amount * (unsigned)p_sw); if ((total / p_sw) != amount) return; /* multiplication overflow */ oldp = ml_get_curline(); if (!left) { /* * 1. Get start vcol * 2. Total ws vcols * 3. Divvy into TABs & spp * 4. Construct new string */ total += bd.pre_whitesp; /* all virtual WS upto & incl a split TAB */ ws_vcol = bd.start_vcol - bd.pre_whitesp; if (bd.startspaces) { if (has_mbyte) { if ((*mb_ptr2len)(bd.textstart) == 1) ++bd.textstart; else { ws_vcol = 0; bd.startspaces = 0; } } else ++bd.textstart; } for ( ; VIM_ISWHITE(*bd.textstart); ) { /* TODO: is passing bd.textstart for start of the line OK? */ incr = lbr_chartabsize_adv(bd.textstart, &bd.textstart, (colnr_T)(bd.start_vcol)); total += incr; bd.start_vcol += incr; } /* OK, now total=all the VWS reqd, and textstart points at the 1st * non-ws char in the block. */ #ifdef FEAT_VARTABS if (!curbuf->b_p_et) tabstop_fromto(ws_vcol, ws_vcol + total, p_ts, p_vts, &i, &j); else j = total; #else if (!curbuf->b_p_et) i = ((ws_vcol % p_ts) + total) / p_ts; /* number of tabs */ if (i) j = ((ws_vcol % p_ts) + total) % p_ts; /* number of spp */ else j = total; #endif /* if we're splitting a TAB, allow for it */ bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0); len = (int)STRLEN(bd.textstart) + 1; newp = alloc(bd.textcol + i + j + len); if (newp == NULL) return; vim_memset(newp, NUL, (size_t)(bd.textcol + i + j + len)); mch_memmove(newp, oldp, (size_t)bd.textcol); vim_memset(newp + bd.textcol, TAB, (size_t)i); vim_memset(newp + bd.textcol + i, ' ', (size_t)j); /* the end */ mch_memmove(newp + bd.textcol + i + j, bd.textstart, (size_t)len); } else /* left */ { colnr_T destination_col; /* column to which text in block will be shifted */ char_u *verbatim_copy_end; /* end of the part of the line which is copied verbatim */ colnr_T verbatim_copy_width;/* the (displayed) width of this part of line */ unsigned fill; /* nr of spaces that replace a TAB */ unsigned new_line_len; /* the length of the line after the block shift */ size_t block_space_width; size_t shift_amount; char_u *non_white = bd.textstart; colnr_T non_white_col; /* * Firstly, let's find the first non-whitespace character that is * displayed after the block's start column and the character's column * number. Also, let's calculate the width of all the whitespace * characters that are displayed in the block and precede the searched * non-whitespace character. */ /* If "bd.startspaces" is set, "bd.textstart" points to the character, * the part of which is displayed at the block's beginning. Let's start * searching from the next character. */ if (bd.startspaces) MB_PTR_ADV(non_white); /* The character's column is in "bd.start_vcol". */ non_white_col = bd.start_vcol; while (VIM_ISWHITE(*non_white)) { incr = lbr_chartabsize_adv(bd.textstart, &non_white, non_white_col); non_white_col += incr; } block_space_width = non_white_col - oap->start_vcol; /* We will shift by "total" or "block_space_width", whichever is less. */ shift_amount = (block_space_width < (size_t)total ? block_space_width : (size_t)total); /* The column to which we will shift the text. */ destination_col = (colnr_T)(non_white_col - shift_amount); /* Now let's find out how much of the beginning of the line we can * reuse without modification. */ verbatim_copy_end = bd.textstart; verbatim_copy_width = bd.start_vcol; /* If "bd.startspaces" is set, "bd.textstart" points to the character * preceding the block. We have to subtract its width to obtain its * column number. */ if (bd.startspaces) verbatim_copy_width -= bd.start_char_vcols; while (verbatim_copy_width < destination_col) { char_u *line = verbatim_copy_end; /* TODO: is passing verbatim_copy_end for start of the line OK? */ incr = lbr_chartabsize(line, verbatim_copy_end, verbatim_copy_width); if (verbatim_copy_width + incr > destination_col) break; verbatim_copy_width += incr; MB_PTR_ADV(verbatim_copy_end); } /* If "destination_col" is different from the width of the initial * part of the line that will be copied, it means we encountered a tab * character, which we will have to partly replace with spaces. */ fill = destination_col - verbatim_copy_width; /* The replacement line will consist of: * - the beginning of the original line up to "verbatim_copy_end", * - "fill" number of spaces, * - the rest of the line, pointed to by non_white. */ new_line_len = (unsigned)(verbatim_copy_end - oldp) + fill + (unsigned)STRLEN(non_white) + 1; newp = alloc(new_line_len); if (newp == NULL) return; mch_memmove(newp, oldp, (size_t)(verbatim_copy_end - oldp)); vim_memset(newp + (verbatim_copy_end - oldp), ' ', (size_t)fill); STRMOVE(newp + (verbatim_copy_end - oldp) + fill, non_white); } /* replace the line */ ml_replace(curwin->w_cursor.lnum, newp, FALSE); changed_bytes(curwin->w_cursor.lnum, (colnr_T)bd.textcol); State = oldstate; curwin->w_cursor.col = oldcol; #ifdef FEAT_RIGHTLEFT p_ri = old_p_ri; #endif } /* * Insert string "s" (b_insert ? before : after) block :AKelly * Caller must prepare for undo. */ static void block_insert( oparg_T *oap, char_u *s, int b_insert, struct block_def *bdp) { int p_ts; int count = 0; /* extra spaces to replace a cut TAB */ int spaces = 0; /* non-zero if cutting a TAB */ colnr_T offset; /* pointer along new line */ unsigned s_len; /* STRLEN(s) */ char_u *newp, *oldp; /* new, old lines */ linenr_T lnum; /* loop var */ int oldstate = State; State = INSERT; /* don't want REPLACE for State */ s_len = (unsigned)STRLEN(s); for (lnum = oap->start.lnum + 1; lnum <= oap->end.lnum; lnum++) { block_prep(oap, bdp, lnum, TRUE); if (bdp->is_short && b_insert) continue; /* OP_INSERT, line ends before block start */ oldp = ml_get(lnum); if (b_insert) { p_ts = bdp->start_char_vcols; spaces = bdp->startspaces; if (spaces != 0) count = p_ts - 1; /* we're cutting a TAB */ offset = bdp->textcol; } else /* append */ { p_ts = bdp->end_char_vcols; if (!bdp->is_short) /* spaces = padding after block */ { spaces = (bdp->endspaces ? p_ts - bdp->endspaces : 0); if (spaces != 0) count = p_ts - 1; /* we're cutting a TAB */ offset = bdp->textcol + bdp->textlen - (spaces != 0); } else /* spaces = padding to block edge */ { /* if $ used, just append to EOL (ie spaces==0) */ if (!bdp->is_MAX) spaces = (oap->end_vcol - bdp->end_vcol) + 1; count = spaces; offset = bdp->textcol + bdp->textlen; } } if (has_mbyte && spaces > 0) { int off; /* Avoid starting halfway a multi-byte character. */ if (b_insert) { off = (*mb_head_off)(oldp, oldp + offset + spaces); } else { off = (*mb_off_next)(oldp, oldp + offset); offset += off; } spaces -= off; count -= off; } newp = alloc(STRLEN(oldp) + s_len + count + 1); if (newp == NULL) continue; /* copy up to shifted part */ mch_memmove(newp, oldp, (size_t)(offset)); oldp += offset; /* insert pre-padding */ vim_memset(newp + offset, ' ', (size_t)spaces); /* copy the new text */ mch_memmove(newp + offset + spaces, s, (size_t)s_len); offset += s_len; if (spaces && !bdp->is_short) { /* insert post-padding */ vim_memset(newp + offset + spaces, ' ', (size_t)(p_ts - spaces)); /* We're splitting a TAB, don't copy it. */ oldp++; /* We allowed for that TAB, remember this now */ count++; } if (spaces > 0) offset += count; STRMOVE(newp + offset, oldp); ml_replace(lnum, newp, FALSE); if (lnum == oap->end.lnum) { /* Set "']" mark to the end of the block instead of the end of * the insert in the first line. */ curbuf->b_op_end.lnum = oap->end.lnum; curbuf->b_op_end.col = offset; } } /* for all lnum */ changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); State = oldstate; } #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) /* * op_reindent - handle reindenting a block of lines. */ void op_reindent(oparg_T *oap, int (*how)(void)) { long i; char_u *l; int amount; linenr_T first_changed = 0; linenr_T last_changed = 0; linenr_T start_lnum = curwin->w_cursor.lnum; /* Don't even try when 'modifiable' is off. */ if (!curbuf->b_p_ma) { emsg(_(e_modifiable)); return; } for (i = oap->line_count; --i >= 0 && !got_int; ) { /* it's a slow thing to do, so give feedback so there's no worry that * the computer's just hung. */ if (i > 1 && (i % 50 == 0 || i == oap->line_count - 1) && oap->line_count > p_report) smsg(_("%ld lines to indent... "), i); /* * Be vi-compatible: For lisp indenting the first line is not * indented, unless there is only one line. */ #ifdef FEAT_LISP if (i != oap->line_count - 1 || oap->line_count == 1 || how != get_lisp_indent) #endif { l = skipwhite(ml_get_curline()); if (*l == NUL) /* empty or blank line */ amount = 0; else amount = how(); /* get the indent for this line */ if (amount >= 0 && set_indent(amount, SIN_UNDO)) { /* did change the indent, call changed_lines() later */ if (first_changed == 0) first_changed = curwin->w_cursor.lnum; last_changed = curwin->w_cursor.lnum; } } ++curwin->w_cursor.lnum; curwin->w_cursor.col = 0; /* make sure it's valid */ } /* put cursor on first non-blank of indented line */ curwin->w_cursor.lnum = start_lnum; beginline(BL_SOL | BL_FIX); /* Mark changed lines so that they will be redrawn. When Visual * highlighting was present, need to continue until the last line. When * there is no change still need to remove the Visual highlighting. */ if (last_changed != 0) changed_lines(first_changed, 0, oap->is_VIsual ? start_lnum + oap->line_count : last_changed + 1, 0L); else if (oap->is_VIsual) redraw_curbuf_later(INVERTED); if (oap->line_count > p_report) { i = oap->line_count - (i + 1); smsg(NGETTEXT("%ld line indented ", "%ld lines indented ", i), i); } /* set '[ and '] marks */ curbuf->b_op_start = oap->start; curbuf->b_op_end = oap->end; } #endif /* defined(FEAT_LISP) || defined(FEAT_CINDENT) */ #if defined(FEAT_EVAL) || defined(PROTO) /* * Keep the last expression line here, for repeating. */ static char_u *expr_line = NULL; /* * Get an expression for the "\"=expr1" or "CTRL-R =expr1" * Returns '=' when OK, NUL otherwise. */ int get_expr_register(void) { char_u *new_line; new_line = getcmdline('=', 0L, 0, TRUE); if (new_line == NULL) return NUL; if (*new_line == NUL) /* use previous line */ vim_free(new_line); else set_expr_line(new_line); return '='; } /* * Set the expression for the '=' register. * Argument must be an allocated string. */ void set_expr_line(char_u *new_line) { vim_free(expr_line); expr_line = new_line; } /* * Get the result of the '=' register expression. * Returns a pointer to allocated memory, or NULL for failure. */ char_u * get_expr_line(void) { char_u *expr_copy; char_u *rv; static int nested = 0; if (expr_line == NULL) return NULL; /* Make a copy of the expression, because evaluating it may cause it to be * changed. */ expr_copy = vim_strsave(expr_line); if (expr_copy == NULL) return NULL; /* When we are invoked recursively limit the evaluation to 10 levels. * Then return the string as-is. */ if (nested >= 10) return expr_copy; ++nested; rv = eval_to_string(expr_copy, NULL, TRUE); --nested; vim_free(expr_copy); return rv; } /* * Get the '=' register expression itself, without evaluating it. */ static char_u * get_expr_line_src(void) { if (expr_line == NULL) return NULL; return vim_strsave(expr_line); } #endif /* FEAT_EVAL */ /* * Check if 'regname' is a valid name of a yank register. * Note: There is no check for 0 (default register), caller should do this */ int valid_yank_reg( int regname, int writing) /* if TRUE check for writable registers */ { if ( (regname > 0 && ASCII_ISALNUM(regname)) || (!writing && vim_strchr((char_u *) #ifdef FEAT_EVAL "/.%:=" #else "/.%:" #endif , regname) != NULL) || regname == '#' || regname == '"' || regname == '-' || regname == '_' #ifdef FEAT_CLIPBOARD || regname == '*' || regname == '+' #endif #ifdef FEAT_DND || (!writing && regname == '~') #endif ) return TRUE; return FALSE; } /* * Set y_current and y_append, according to the value of "regname". * Cannot handle the '_' register. * Must only be called with a valid register name! * * If regname is 0 and writing, use register 0 * If regname is 0 and reading, use previous register * * Return TRUE when the register should be inserted literally (selection or * clipboard). */ int get_yank_register(int regname, int writing) { int i; int ret = FALSE; y_append = FALSE; if ((regname == 0 || regname == '"') && !writing && y_previous != NULL) { y_current = y_previous; return ret; } i = regname; if (VIM_ISDIGIT(i)) i -= '0'; else if (ASCII_ISLOWER(i)) i = CharOrdLow(i) + 10; else if (ASCII_ISUPPER(i)) { i = CharOrdUp(i) + 10; y_append = TRUE; } else if (regname == '-') i = DELETION_REGISTER; #ifdef FEAT_CLIPBOARD /* When selection is not available, use register 0 instead of '*' */ else if (clip_star.available && regname == '*') { i = STAR_REGISTER; ret = TRUE; } /* When clipboard is not available, use register 0 instead of '+' */ else if (clip_plus.available && regname == '+') { i = PLUS_REGISTER; ret = TRUE; } #endif #ifdef FEAT_DND else if (!writing && regname == '~') i = TILDE_REGISTER; #endif else /* not 0-9, a-z, A-Z or '-': use register 0 */ i = 0; y_current = &(y_regs[i]); if (writing) /* remember the register we write into for do_put() */ y_previous = y_current; return ret; } #if defined(FEAT_CLIPBOARD) || defined(PROTO) /* * When "regname" is a clipboard register, obtain the selection. If it's not * available return zero, otherwise return "regname". */ int may_get_selection(int regname) { if (regname == '*') { if (!clip_star.available) regname = 0; else clip_get_selection(&clip_star); } else if (regname == '+') { if (!clip_plus.available) regname = 0; else clip_get_selection(&clip_plus); } return regname; } #endif /* * Obtain the contents of a "normal" register. The register is made empty. * The returned pointer has allocated memory, use put_register() later. */ void * get_register( int name, int copy) /* make a copy, if FALSE make register empty. */ { yankreg_T *reg; int i; #ifdef FEAT_CLIPBOARD /* When Visual area changed, may have to update selection. Obtain the * selection too. */ if (name == '*' && clip_star.available) { if (clip_isautosel_star()) clip_update_selection(&clip_star); may_get_selection(name); } if (name == '+' && clip_plus.available) { if (clip_isautosel_plus()) clip_update_selection(&clip_plus); may_get_selection(name); } #endif get_yank_register(name, 0); reg = ALLOC_ONE(yankreg_T); if (reg != NULL) { *reg = *y_current; if (copy) { /* If we run out of memory some or all of the lines are empty. */ if (reg->y_size == 0) reg->y_array = NULL; else reg->y_array = ALLOC_MULT(char_u *, reg->y_size); if (reg->y_array != NULL) { for (i = 0; i < reg->y_size; ++i) reg->y_array[i] = vim_strsave(y_current->y_array[i]); } } else y_current->y_array = NULL; } return (void *)reg; } /* * Put "reg" into register "name". Free any previous contents and "reg". */ void put_register(int name, void *reg) { get_yank_register(name, 0); free_yank_all(); *y_current = *(yankreg_T *)reg; vim_free(reg); #ifdef FEAT_CLIPBOARD /* Send text written to clipboard register to the clipboard. */ may_set_selection(); #endif } #if (defined(FEAT_CLIPBOARD) && defined(FEAT_X11) && defined(USE_SYSTEM)) \ || defined(PROTO) void free_register(void *reg) { yankreg_T tmp; tmp = *y_current; *y_current = *(yankreg_T *)reg; free_yank_all(); vim_free(reg); *y_current = tmp; } #endif #if defined(FEAT_MOUSE) || defined(PROTO) /* * return TRUE if the current yank register has type MLINE */ int yank_register_mline(int regname) { if (regname != 0 && !valid_yank_reg(regname, FALSE)) return FALSE; if (regname == '_') /* black hole is always empty */ return FALSE; get_yank_register(regname, FALSE); return (y_current->y_type == MLINE); } #endif /* * Start or stop recording into a yank register. * * Return FAIL for failure, OK otherwise. */ int do_record(int c) { char_u *p; static int regname; yankreg_T *old_y_previous, *old_y_current; int retval; if (reg_recording == 0) /* start recording */ { /* registers 0-9, a-z and " are allowed */ if (c < 0 || (!ASCII_ISALNUM(c) && c != '"')) retval = FAIL; else { reg_recording = c; showmode(); regname = c; retval = OK; } } else /* stop recording */ { /* * Get the recorded key hits. K_SPECIAL and CSI will be escaped, this * needs to be removed again to put it in a register. exec_reg then * adds the escaping back later. */ reg_recording = 0; msg(""); p = get_recorded(); if (p == NULL) retval = FAIL; else { /* Remove escaping for CSI and K_SPECIAL in multi-byte chars. */ vim_unescape_csi(p); /* * We don't want to change the default register here, so save and * restore the current register name. */ old_y_previous = y_previous; old_y_current = y_current; retval = stuff_yank(regname, p); y_previous = old_y_previous; y_current = old_y_current; } } return retval; } /* * Stuff string "p" into yank register "regname" as a single line (append if * uppercase). "p" must have been alloced. * * return FAIL for failure, OK otherwise */ static int stuff_yank(int regname, char_u *p) { char_u *lp; char_u **pp; /* check for read-only register */ if (regname != 0 && !valid_yank_reg(regname, TRUE)) { vim_free(p); return FAIL; } if (regname == '_') /* black hole: don't do anything */ { vim_free(p); return OK; } get_yank_register(regname, TRUE); if (y_append && y_current->y_array != NULL) { pp = &(y_current->y_array[y_current->y_size - 1]); lp = alloc(STRLEN(*pp) + STRLEN(p) + 1); if (lp == NULL) { vim_free(p); return FAIL; } STRCPY(lp, *pp); STRCAT(lp, p); vim_free(p); vim_free(*pp); *pp = lp; } else { free_yank_all(); if ((y_current->y_array = ALLOC_ONE(char_u *)) == NULL) { vim_free(p); return FAIL; } y_current->y_array[0] = p; y_current->y_size = 1; y_current->y_type = MCHAR; /* used to be MLINE, why? */ #ifdef FEAT_VIMINFO y_current->y_time_set = vim_time(); #endif } return OK; } static int execreg_lastc = NUL; int get_execreg_lastc(void) { return execreg_lastc; } void set_execreg_lastc(int lastc) { execreg_lastc = lastc; } /* * Execute a yank register: copy it into the stuff buffer. * * Return FAIL for failure, OK otherwise. */ int do_execreg( int regname, int colon, /* insert ':' before each line */ int addcr, /* always add '\n' to end of line */ int silent) /* set "silent" flag in typeahead buffer */ { long i; char_u *p; int retval = OK; int remap; // repeat previous one if (regname == '@') { if (execreg_lastc == NUL) { emsg(_("E748: No previously used register")); return FAIL; } regname = execreg_lastc; } // check for valid regname if (regname == '%' || regname == '#' || !valid_yank_reg(regname, FALSE)) { emsg_invreg(regname); return FAIL; } execreg_lastc = regname; #ifdef FEAT_CLIPBOARD regname = may_get_selection(regname); #endif // black hole: don't stuff anything if (regname == '_') return OK; // use last command line if (regname == ':') { if (last_cmdline == NULL) { emsg(_(e_nolastcmd)); return FAIL; } // don't keep the cmdline containing @: VIM_CLEAR(new_last_cmdline); // Escape all control characters with a CTRL-V p = vim_strsave_escaped_ext(last_cmdline, (char_u *)"\001\002\003\004\005\006\007" "\010\011\012\013\014\015\016\017" "\020\021\022\023\024\025\026\027" "\030\031\032\033\034\035\036\037", Ctrl_V, FALSE); if (p != NULL) { /* When in Visual mode "'<,'>" will be prepended to the command. * Remove it when it's already there. */ if (VIsual_active && STRNCMP(p, "'<,'>", 5) == 0) retval = put_in_typebuf(p + 5, TRUE, TRUE, silent); else retval = put_in_typebuf(p, TRUE, TRUE, silent); } vim_free(p); } #ifdef FEAT_EVAL else if (regname == '=') { p = get_expr_line(); if (p == NULL) return FAIL; retval = put_in_typebuf(p, TRUE, colon, silent); vim_free(p); } #endif else if (regname == '.') /* use last inserted text */ { p = get_last_insert_save(); if (p == NULL) { emsg(_(e_noinstext)); return FAIL; } retval = put_in_typebuf(p, FALSE, colon, silent); vim_free(p); } else { get_yank_register(regname, FALSE); if (y_current->y_array == NULL) return FAIL; /* Disallow remaping for ":@r". */ remap = colon ? REMAP_NONE : REMAP_YES; /* * Insert lines into typeahead buffer, from last one to first one. */ put_reedit_in_typebuf(silent); for (i = y_current->y_size; --i >= 0; ) { char_u *escaped; /* insert NL between lines and after last line if type is MLINE */ if (y_current->y_type == MLINE || i < y_current->y_size - 1 || addcr) { if (ins_typebuf((char_u *)"\n", remap, 0, TRUE, silent) == FAIL) return FAIL; } escaped = vim_strsave_escape_csi(y_current->y_array[i]); if (escaped == NULL) return FAIL; retval = ins_typebuf(escaped, remap, 0, TRUE, silent); vim_free(escaped); if (retval == FAIL) return FAIL; if (colon && ins_typebuf((char_u *)":", remap, 0, TRUE, silent) == FAIL) return FAIL; } reg_executing = regname == 0 ? '"' : regname; // disable "q" command } return retval; } /* * If "restart_edit" is not zero, put it in the typeahead buffer, so that it's * used only after other typeahead has been processed. */ static void put_reedit_in_typebuf(int silent) { char_u buf[3]; if (restart_edit != NUL) { if (restart_edit == 'V') { buf[0] = 'g'; buf[1] = 'R'; buf[2] = NUL; } else { buf[0] = restart_edit == 'I' ? 'i' : restart_edit; buf[1] = NUL; } if (ins_typebuf(buf, REMAP_NONE, 0, TRUE, silent) == OK) restart_edit = NUL; } } /* * Insert register contents "s" into the typeahead buffer, so that it will be * executed again. * When "esc" is TRUE it is to be taken literally: Escape CSI characters and * no remapping. */ static int put_in_typebuf( char_u *s, int esc, int colon, /* add ':' before the line */ int silent) { int retval = OK; put_reedit_in_typebuf(silent); if (colon) retval = ins_typebuf((char_u *)"\n", REMAP_NONE, 0, TRUE, silent); if (retval == OK) { char_u *p; if (esc) p = vim_strsave_escape_csi(s); else p = s; if (p == NULL) retval = FAIL; else retval = ins_typebuf(p, esc ? REMAP_NONE : REMAP_YES, 0, TRUE, silent); if (esc) vim_free(p); } if (colon && retval == OK) retval = ins_typebuf((char_u *)":", REMAP_NONE, 0, TRUE, silent); return retval; } /* * Insert a yank register: copy it into the Read buffer. * Used by CTRL-R command and middle mouse button in insert mode. * * return FAIL for failure, OK otherwise */ int insert_reg( int regname, int literally_arg) /* insert literally, not as if typed */ { long i; int retval = OK; char_u *arg; int allocated; int literally = literally_arg; /* * It is possible to get into an endless loop by having CTRL-R a in * register a and then, in insert mode, doing CTRL-R a. * If you hit CTRL-C, the loop will be broken here. */ ui_breakcheck(); if (got_int) return FAIL; /* check for valid regname */ if (regname != NUL && !valid_yank_reg(regname, FALSE)) return FAIL; #ifdef FEAT_CLIPBOARD regname = may_get_selection(regname); #endif if (regname == '.') /* insert last inserted text */ retval = stuff_inserted(NUL, 1L, TRUE); else if (get_spec_reg(regname, &arg, &allocated, TRUE)) { if (arg == NULL) return FAIL; stuffescaped(arg, literally); if (allocated) vim_free(arg); } else /* name or number register */ { if (get_yank_register(regname, FALSE)) literally = TRUE; if (y_current->y_array == NULL) retval = FAIL; else { for (i = 0; i < y_current->y_size; ++i) { stuffescaped(y_current->y_array[i], literally); /* * Insert a newline between lines and after last line if * y_type is MLINE. */ if (y_current->y_type == MLINE || i < y_current->y_size - 1) stuffcharReadbuff('\n'); } } } return retval; } /* * Stuff a string into the typeahead buffer, such that edit() will insert it * literally ("literally" TRUE) or interpret is as typed characters. */ static void stuffescaped(char_u *arg, int literally) { int c; char_u *start; while (*arg != NUL) { /* Stuff a sequence of normal ASCII characters, that's fast. Also * stuff K_SPECIAL to get the effect of a special key when "literally" * is TRUE. */ start = arg; while ((*arg >= ' ' #ifndef EBCDIC && *arg < DEL /* EBCDIC: chars above space are normal */ #endif ) || (*arg == K_SPECIAL && !literally)) ++arg; if (arg > start) stuffReadbuffLen(start, (long)(arg - start)); /* stuff a single special character */ if (*arg != NUL) { if (has_mbyte) c = mb_cptr2char_adv(&arg); else c = *arg++; if (literally && ((c < ' ' && c != TAB) || c == DEL)) stuffcharReadbuff(Ctrl_V); stuffcharReadbuff(c); } } } /* * If "regname" is a special register, return TRUE and store a pointer to its * value in "argp". */ int get_spec_reg( int regname, char_u **argp, int *allocated, /* return: TRUE when value was allocated */ int errmsg) /* give error message when failing */ { int cnt; *argp = NULL; *allocated = FALSE; switch (regname) { case '%': /* file name */ if (errmsg) check_fname(); /* will give emsg if not set */ *argp = curbuf->b_fname; return TRUE; case '#': /* alternate file name */ *argp = getaltfname(errmsg); /* may give emsg if not set */ return TRUE; #ifdef FEAT_EVAL case '=': /* result of expression */ *argp = get_expr_line(); *allocated = TRUE; return TRUE; #endif case ':': /* last command line */ if (last_cmdline == NULL && errmsg) emsg(_(e_nolastcmd)); *argp = last_cmdline; return TRUE; case '/': /* last search-pattern */ if (last_search_pat() == NULL && errmsg) emsg(_(e_noprevre)); *argp = last_search_pat(); return TRUE; case '.': /* last inserted text */ *argp = get_last_insert_save(); *allocated = TRUE; if (*argp == NULL && errmsg) emsg(_(e_noinstext)); return TRUE; #ifdef FEAT_SEARCHPATH case Ctrl_F: /* Filename under cursor */ case Ctrl_P: /* Path under cursor, expand via "path" */ if (!errmsg) return FALSE; *argp = file_name_at_cursor(FNAME_MESS | FNAME_HYP | (regname == Ctrl_P ? FNAME_EXP : 0), 1L, NULL); *allocated = TRUE; return TRUE; #endif case Ctrl_W: /* word under cursor */ case Ctrl_A: /* WORD (mnemonic All) under cursor */ if (!errmsg) return FALSE; cnt = find_ident_under_cursor(argp, regname == Ctrl_W ? (FIND_IDENT|FIND_STRING) : FIND_STRING); *argp = cnt ? vim_strnsave(*argp, cnt) : NULL; *allocated = TRUE; return TRUE; case Ctrl_L: /* Line under cursor */ if (!errmsg) return FALSE; *argp = ml_get_buf(curwin->w_buffer, curwin->w_cursor.lnum, FALSE); return TRUE; case '_': /* black hole: always empty */ *argp = (char_u *)""; return TRUE; } return FALSE; } /* * Paste a yank register into the command line. * Only for non-special registers. * Used by CTRL-R command in command-line mode * insert_reg() can't be used here, because special characters from the * register contents will be interpreted as commands. * * return FAIL for failure, OK otherwise */ int cmdline_paste_reg( int regname, int literally_arg, /* Insert text literally instead of "as typed" */ int remcr) /* don't add CR characters */ { long i; int literally = literally_arg; if (get_yank_register(regname, FALSE)) literally = TRUE; if (y_current->y_array == NULL) return FAIL; for (i = 0; i < y_current->y_size; ++i) { cmdline_paste_str(y_current->y_array[i], literally); /* Insert ^M between lines and after last line if type is MLINE. * Don't do this when "remcr" is TRUE. */ if ((y_current->y_type == MLINE || i < y_current->y_size - 1) && !remcr) cmdline_paste_str((char_u *)"\r", literally); /* Check for CTRL-C, in case someone tries to paste a few thousand * lines and gets bored. */ ui_breakcheck(); if (got_int) return FAIL; } return OK; } #if defined(FEAT_CLIPBOARD) || defined(PROTO) /* * Adjust the register name pointed to with "rp" for the clipboard being * used always and the clipboard being available. */ void adjust_clip_reg(int *rp) { /* If no reg. specified, and "unnamed" or "unnamedplus" is in 'clipboard', * use '*' or '+' reg, respectively. "unnamedplus" prevails. */ if (*rp == 0 && (clip_unnamed != 0 || clip_unnamed_saved != 0)) { if (clip_unnamed != 0) *rp = ((clip_unnamed & CLIP_UNNAMED_PLUS) && clip_plus.available) ? '+' : '*'; else *rp = ((clip_unnamed_saved & CLIP_UNNAMED_PLUS) && clip_plus.available) ? '+' : '*'; } if (!clip_star.available && *rp == '*') *rp = 0; if (!clip_plus.available && *rp == '+') *rp = 0; } #endif /* * Shift the delete registers: "9 is cleared, "8 becomes "9, etc. */ void shift_delete_registers() { int n; y_current = &y_regs[9]; free_yank_all(); /* free register nine */ for (n = 9; n > 1; --n) y_regs[n] = y_regs[n - 1]; y_current = &y_regs[1]; if (!y_append) y_previous = y_current; y_regs[1].y_array = NULL; /* set register one to empty */ } #if defined(FEAT_EVAL) static void yank_do_autocmd(oparg_T *oap, yankreg_T *reg) { static int recursive = FALSE; dict_T *v_event; list_T *list; int n; char_u buf[NUMBUFLEN + 2]; long reglen = 0; if (recursive) return; v_event = get_vim_var_dict(VV_EVENT); list = list_alloc(); if (list == NULL) return; for (n = 0; n < reg->y_size; n++) list_append_string(list, reg->y_array[n], -1); list->lv_lock = VAR_FIXED; dict_add_list(v_event, "regcontents", list); buf[0] = (char_u)oap->regname; buf[1] = NUL; dict_add_string(v_event, "regname", buf); buf[0] = get_op_char(oap->op_type); buf[1] = get_extra_op_char(oap->op_type); buf[2] = NUL; dict_add_string(v_event, "operator", buf); buf[0] = NUL; buf[1] = NUL; switch (get_reg_type(oap->regname, ®len)) { case MLINE: buf[0] = 'V'; break; case MCHAR: buf[0] = 'v'; break; case MBLOCK: vim_snprintf((char *)buf, sizeof(buf), "%c%ld", Ctrl_V, reglen + 1); break; } dict_add_string(v_event, "regtype", buf); /* Lock the dictionary and its keys */ dict_set_items_ro(v_event); recursive = TRUE; textlock++; apply_autocmds(EVENT_TEXTYANKPOST, NULL, NULL, FALSE, curbuf); textlock--; recursive = FALSE; /* Empty the dictionary, v:event is still valid */ dict_free_contents(v_event); hash_init(&v_event->dv_hashtab); } #endif /* * Handle a delete operation. * * Return FAIL if undo failed, OK otherwise. */ int op_delete(oparg_T *oap) { int n; linenr_T lnum; char_u *ptr; char_u *newp, *oldp; struct block_def bd; linenr_T old_lcount = curbuf->b_ml.ml_line_count; int did_yank = FALSE; if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to do */ return OK; /* Nothing to delete, return here. Do prepare undo, for op_change(). */ if (oap->empty) return u_save_cursor(); if (!curbuf->b_p_ma) { emsg(_(e_modifiable)); return FAIL; } #ifdef FEAT_CLIPBOARD adjust_clip_reg(&oap->regname); #endif if (has_mbyte) mb_adjust_opend(oap); /* * Imitate the strange Vi behaviour: If the delete spans more than one * line and motion_type == MCHAR and the result is a blank line, make the * delete linewise. Don't do this for the change command or Visual mode. */ if ( oap->motion_type == MCHAR && !oap->is_VIsual && !oap->block_mode && oap->line_count > 1 && oap->motion_force == NUL && oap->op_type == OP_DELETE) { ptr = ml_get(oap->end.lnum) + oap->end.col; if (*ptr != NUL) ptr += oap->inclusive; ptr = skipwhite(ptr); if (*ptr == NUL && inindent(0)) oap->motion_type = MLINE; } /* * Check for trying to delete (e.g. "D") in an empty line. * Note: For the change operator it is ok. */ if ( oap->motion_type == MCHAR && oap->line_count == 1 && oap->op_type == OP_DELETE && *ml_get(oap->start.lnum) == NUL) { /* * It's an error to operate on an empty region, when 'E' included in * 'cpoptions' (Vi compatible). */ if (virtual_op) /* Virtual editing: Nothing gets deleted, but we set the '[ and '] * marks as if it happened. */ goto setmarks; if (vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL) beep_flush(); return OK; } /* * Do a yank of whatever we're about to delete. * If a yank register was specified, put the deleted text into that * register. For the black hole register '_' don't yank anything. */ if (oap->regname != '_') { if (oap->regname != 0) { /* check for read-only register */ if (!valid_yank_reg(oap->regname, TRUE)) { beep_flush(); return OK; } get_yank_register(oap->regname, TRUE); /* yank into specif'd reg. */ if (op_yank(oap, TRUE, FALSE) == OK) /* yank without message */ did_yank = TRUE; } /* * Put deleted text into register 1 and shift number registers if the * delete contains a line break, or when using a specific operator (Vi * compatible) * Use the register name from before adjust_clip_reg() may have * changed it. */ if (oap->motion_type == MLINE || oap->line_count > 1 || oap->use_reg_one) { shift_delete_registers(); if (op_yank(oap, TRUE, FALSE) == OK) did_yank = TRUE; } /* Yank into small delete register when no named register specified * and the delete is within one line. */ if (( #ifdef FEAT_CLIPBOARD ((clip_unnamed & CLIP_UNNAMED) && oap->regname == '*') || ((clip_unnamed & CLIP_UNNAMED_PLUS) && oap->regname == '+') || #endif oap->regname == 0) && oap->motion_type != MLINE && oap->line_count == 1) { oap->regname = '-'; get_yank_register(oap->regname, TRUE); if (op_yank(oap, TRUE, FALSE) == OK) did_yank = TRUE; oap->regname = 0; } /* * If there's too much stuff to fit in the yank register, then get a * confirmation before doing the delete. This is crude, but simple. * And it avoids doing a delete of something we can't put back if we * want. */ if (!did_yank) { int msg_silent_save = msg_silent; msg_silent = 0; /* must display the prompt */ n = ask_yesno((char_u *)_("cannot yank; delete anyway"), TRUE); msg_silent = msg_silent_save; if (n != 'y') { emsg(_(e_abort)); return FAIL; } } #if defined(FEAT_EVAL) if (did_yank && has_textyankpost()) yank_do_autocmd(oap, y_current); #endif } /* * block mode delete */ if (oap->block_mode) { if (u_save((linenr_T)(oap->start.lnum - 1), (linenr_T)(oap->end.lnum + 1)) == FAIL) return FAIL; for (lnum = curwin->w_cursor.lnum; lnum <= oap->end.lnum; ++lnum) { block_prep(oap, &bd, lnum, TRUE); if (bd.textlen == 0) /* nothing to delete */ continue; /* Adjust cursor position for tab replaced by spaces and 'lbr'. */ if (lnum == curwin->w_cursor.lnum) { curwin->w_cursor.col = bd.textcol + bd.startspaces; curwin->w_cursor.coladd = 0; } // "n" == number of chars deleted // If we delete a TAB, it may be replaced by several characters. // Thus the number of characters may increase! n = bd.textlen - bd.startspaces - bd.endspaces; oldp = ml_get(lnum); newp = alloc(STRLEN(oldp) + 1 - n); if (newp == NULL) continue; /* copy up to deleted part */ mch_memmove(newp, oldp, (size_t)bd.textcol); /* insert spaces */ vim_memset(newp + bd.textcol, ' ', (size_t)(bd.startspaces + bd.endspaces)); /* copy the part after the deleted part */ oldp += bd.textcol + bd.textlen; STRMOVE(newp + bd.textcol + bd.startspaces + bd.endspaces, oldp); /* replace the line */ ml_replace(lnum, newp, FALSE); #ifdef FEAT_TEXT_PROP if (curbuf->b_has_textprop && n != 0) adjust_prop_columns(lnum, bd.textcol, -n, 0); #endif } check_cursor_col(); changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col, oap->end.lnum + 1, 0L); oap->line_count = 0; /* no lines deleted */ } else if (oap->motion_type == MLINE) { if (oap->op_type == OP_CHANGE) { /* Delete the lines except the first one. Temporarily move the * cursor to the next line. Save the current line number, if the * last line is deleted it may be changed. */ if (oap->line_count > 1) { lnum = curwin->w_cursor.lnum; ++curwin->w_cursor.lnum; del_lines((long)(oap->line_count - 1), TRUE); curwin->w_cursor.lnum = lnum; } if (u_save_cursor() == FAIL) return FAIL; if (curbuf->b_p_ai) /* don't delete indent */ { beginline(BL_WHITE); /* cursor on first non-white */ did_ai = TRUE; /* delete the indent when ESC hit */ ai_col = curwin->w_cursor.col; } else beginline(0); /* cursor in column 0 */ truncate_line(FALSE); /* delete the rest of the line */ /* leave cursor past last char in line */ if (oap->line_count > 1) u_clearline(); /* "U" command not possible after "2cc" */ } else { del_lines(oap->line_count, TRUE); beginline(BL_WHITE | BL_FIX); u_clearline(); /* "U" command not possible after "dd" */ } } else { if (virtual_op) { int endcol = 0; /* For virtualedit: break the tabs that are partly included. */ if (gchar_pos(&oap->start) == '\t') { if (u_save_cursor() == FAIL) /* save first line for undo */ return FAIL; if (oap->line_count == 1) endcol = getviscol2(oap->end.col, oap->end.coladd); coladvance_force(getviscol2(oap->start.col, oap->start.coladd)); oap->start = curwin->w_cursor; if (oap->line_count == 1) { coladvance(endcol); oap->end.col = curwin->w_cursor.col; oap->end.coladd = curwin->w_cursor.coladd; curwin->w_cursor = oap->start; } } /* Break a tab only when it's included in the area. */ if (gchar_pos(&oap->end) == '\t' && (int)oap->end.coladd < oap->inclusive) { /* save last line for undo */ if (u_save((linenr_T)(oap->end.lnum - 1), (linenr_T)(oap->end.lnum + 1)) == FAIL) return FAIL; curwin->w_cursor = oap->end; coladvance_force(getviscol2(oap->end.col, oap->end.coladd)); oap->end = curwin->w_cursor; curwin->w_cursor = oap->start; } } if (oap->line_count == 1) /* delete characters within one line */ { if (u_save_cursor() == FAIL) /* save line for undo */ return FAIL; /* if 'cpoptions' contains '$', display '$' at end of change */ if ( vim_strchr(p_cpo, CPO_DOLLAR) != NULL && oap->op_type == OP_CHANGE && oap->end.lnum == curwin->w_cursor.lnum && !oap->is_VIsual) display_dollar(oap->end.col - !oap->inclusive); n = oap->end.col - oap->start.col + 1 - !oap->inclusive; if (virtual_op) { /* fix up things for virtualedit-delete: * break the tabs which are going to get in our way */ char_u *curline = ml_get_curline(); int len = (int)STRLEN(curline); if (oap->end.coladd != 0 && (int)oap->end.col >= len - 1 && !(oap->start.coladd && (int)oap->end.col >= len - 1)) n++; /* Delete at least one char (e.g, when on a control char). */ if (n == 0 && oap->start.coladd != oap->end.coladd) n = 1; /* When deleted a char in the line, reset coladd. */ if (gchar_cursor() != NUL) curwin->w_cursor.coladd = 0; } (void)del_bytes((long)n, !virtual_op, oap->op_type == OP_DELETE && !oap->is_VIsual); } else /* delete characters between lines */ { pos_T curpos; /* save deleted and changed lines for undo */ if (u_save((linenr_T)(curwin->w_cursor.lnum - 1), (linenr_T)(curwin->w_cursor.lnum + oap->line_count)) == FAIL) return FAIL; truncate_line(TRUE); /* delete from cursor to end of line */ curpos = curwin->w_cursor; /* remember curwin->w_cursor */ ++curwin->w_cursor.lnum; del_lines((long)(oap->line_count - 2), FALSE); /* delete from start of line until op_end */ n = (oap->end.col + 1 - !oap->inclusive); curwin->w_cursor.col = 0; (void)del_bytes((long)n, !virtual_op, oap->op_type == OP_DELETE && !oap->is_VIsual); curwin->w_cursor = curpos; /* restore curwin->w_cursor */ (void)do_join(2, FALSE, FALSE, FALSE, FALSE); } } msgmore(curbuf->b_ml.ml_line_count - old_lcount); setmarks: if (oap->block_mode) { curbuf->b_op_end.lnum = oap->end.lnum; curbuf->b_op_end.col = oap->start.col; } else curbuf->b_op_end = oap->start; curbuf->b_op_start = oap->start; return OK; } /* * Adjust end of operating area for ending on a multi-byte character. * Used for deletion. */ static void mb_adjust_opend(oparg_T *oap) { char_u *p; if (oap->inclusive) { p = ml_get(oap->end.lnum); oap->end.col += mb_tail_off(p, p + oap->end.col); } } /* * Replace the character under the cursor with "c". * This takes care of multi-byte characters. */ static void replace_character(int c) { int n = State; State = REPLACE; ins_char(c); State = n; /* Backup to the replaced character. */ dec_cursor(); } /* * Replace a whole area with one character. */ int op_replace(oparg_T *oap, int c) { int n, numc; int num_chars; char_u *newp, *oldp; size_t oldlen; struct block_def bd; char_u *after_p = NULL; int had_ctrl_v_cr = FALSE; if ((curbuf->b_ml.ml_flags & ML_EMPTY ) || oap->empty) return OK; /* nothing to do */ if (c == REPLACE_CR_NCHAR) { had_ctrl_v_cr = TRUE; c = CAR; } else if (c == REPLACE_NL_NCHAR) { had_ctrl_v_cr = TRUE; c = NL; } if (has_mbyte) mb_adjust_opend(oap); if (u_save((linenr_T)(oap->start.lnum - 1), (linenr_T)(oap->end.lnum + 1)) == FAIL) return FAIL; /* * block mode replace */ if (oap->block_mode) { bd.is_MAX = (curwin->w_curswant == MAXCOL); for ( ; curwin->w_cursor.lnum <= oap->end.lnum; ++curwin->w_cursor.lnum) { curwin->w_cursor.col = 0; /* make sure cursor position is valid */ block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); if (bd.textlen == 0 && (!virtual_op || bd.is_MAX)) continue; /* nothing to replace */ /* n == number of extra chars required * If we split a TAB, it may be replaced by several characters. * Thus the number of characters may increase! */ /* If the range starts in virtual space, count the initial * coladd offset as part of "startspaces" */ if (virtual_op && bd.is_short && *bd.textstart == NUL) { pos_T vpos; vpos.lnum = curwin->w_cursor.lnum; getvpos(&vpos, oap->start_vcol); bd.startspaces += vpos.coladd; n = bd.startspaces; } else /* allow for pre spaces */ n = (bd.startspaces ? bd.start_char_vcols - 1 : 0); /* allow for post spp */ n += (bd.endspaces && !bd.is_oneChar && bd.end_char_vcols > 0) ? bd.end_char_vcols - 1 : 0; /* Figure out how many characters to replace. */ numc = oap->end_vcol - oap->start_vcol + 1; if (bd.is_short && (!virtual_op || bd.is_MAX)) numc -= (oap->end_vcol - bd.end_vcol) + 1; /* A double-wide character can be replaced only up to half the * times. */ if ((*mb_char2cells)(c) > 1) { if ((numc & 1) && !bd.is_short) { ++bd.endspaces; ++n; } numc = numc / 2; } /* Compute bytes needed, move character count to num_chars. */ num_chars = numc; numc *= (*mb_char2len)(c); /* oldlen includes textlen, so don't double count */ n += numc - bd.textlen; oldp = ml_get_curline(); oldlen = STRLEN(oldp); newp = alloc(oldlen + 1 + n); if (newp == NULL) continue; vim_memset(newp, NUL, (size_t)(oldlen + 1 + n)); /* copy up to deleted part */ mch_memmove(newp, oldp, (size_t)bd.textcol); oldp += bd.textcol + bd.textlen; /* insert pre-spaces */ vim_memset(newp + bd.textcol, ' ', (size_t)bd.startspaces); /* insert replacement chars CHECK FOR ALLOCATED SPACE */ /* REPLACE_CR_NCHAR/REPLACE_NL_NCHAR is used for entering CR * literally. */ if (had_ctrl_v_cr || (c != '\r' && c != '\n')) { if (has_mbyte) { n = (int)STRLEN(newp); while (--num_chars >= 0) n += (*mb_char2bytes)(c, newp + n); } else vim_memset(newp + STRLEN(newp), c, (size_t)numc); if (!bd.is_short) { /* insert post-spaces */ vim_memset(newp + STRLEN(newp), ' ', (size_t)bd.endspaces); /* copy the part after the changed part */ STRMOVE(newp + STRLEN(newp), oldp); } } else { /* Replacing with \r or \n means splitting the line. */ after_p = alloc(oldlen + 1 + n - STRLEN(newp)); if (after_p != NULL) STRMOVE(after_p, oldp); } /* replace the line */ ml_replace(curwin->w_cursor.lnum, newp, FALSE); if (after_p != NULL) { ml_append(curwin->w_cursor.lnum++, after_p, 0, FALSE); appended_lines_mark(curwin->w_cursor.lnum, 1L); oap->end.lnum++; vim_free(after_p); } } } else { /* * MCHAR and MLINE motion replace. */ if (oap->motion_type == MLINE) { oap->start.col = 0; curwin->w_cursor.col = 0; oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); if (oap->end.col) --oap->end.col; } else if (!oap->inclusive) dec(&(oap->end)); while (LTOREQ_POS(curwin->w_cursor, oap->end)) { n = gchar_cursor(); if (n != NUL) { if ((*mb_char2len)(c) > 1 || (*mb_char2len)(n) > 1) { /* This is slow, but it handles replacing a single-byte * with a multi-byte and the other way around. */ if (curwin->w_cursor.lnum == oap->end.lnum) oap->end.col += (*mb_char2len)(c) - (*mb_char2len)(n); replace_character(c); } else { if (n == TAB) { int end_vcol = 0; if (curwin->w_cursor.lnum == oap->end.lnum) { /* oap->end has to be recalculated when * the tab breaks */ end_vcol = getviscol2(oap->end.col, oap->end.coladd); } coladvance_force(getviscol()); if (curwin->w_cursor.lnum == oap->end.lnum) getvpos(&oap->end, end_vcol); } PBYTE(curwin->w_cursor, c); } } else if (virtual_op && curwin->w_cursor.lnum == oap->end.lnum) { int virtcols = oap->end.coladd; if (curwin->w_cursor.lnum == oap->start.lnum && oap->start.col == oap->end.col && oap->start.coladd) virtcols -= oap->start.coladd; /* oap->end has been trimmed so it's effectively inclusive; * as a result an extra +1 must be counted so we don't * trample the NUL byte. */ coladvance_force(getviscol2(oap->end.col, oap->end.coladd) + 1); curwin->w_cursor.col -= (virtcols + 1); for (; virtcols >= 0; virtcols--) { if ((*mb_char2len)(c) > 1) replace_character(c); else PBYTE(curwin->w_cursor, c); if (inc(&curwin->w_cursor) == -1) break; } } /* Advance to next character, stop at the end of the file. */ if (inc_cursor() == -1) break; } } curwin->w_cursor = oap->start; check_cursor(); changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 0L); /* Set "'[" and "']" marks. */ curbuf->b_op_start = oap->start; curbuf->b_op_end = oap->end; return OK; } static int swapchars(int op_type, pos_T *pos, int length); /* * Handle the (non-standard vi) tilde operator. Also for "gu", "gU" and "g?". */ void op_tilde(oparg_T *oap) { pos_T pos; struct block_def bd; int did_change = FALSE; if (u_save((linenr_T)(oap->start.lnum - 1), (linenr_T)(oap->end.lnum + 1)) == FAIL) return; pos = oap->start; if (oap->block_mode) /* Visual block mode */ { for (; pos.lnum <= oap->end.lnum; ++pos.lnum) { int one_change; block_prep(oap, &bd, pos.lnum, FALSE); pos.col = bd.textcol; one_change = swapchars(oap->op_type, &pos, bd.textlen); did_change |= one_change; #ifdef FEAT_NETBEANS_INTG if (netbeans_active() && one_change) { char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE); netbeans_removed(curbuf, pos.lnum, bd.textcol, (long)bd.textlen); netbeans_inserted(curbuf, pos.lnum, bd.textcol, &ptr[bd.textcol], bd.textlen); } #endif } if (did_change) changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); } else /* not block mode */ { if (oap->motion_type == MLINE) { oap->start.col = 0; pos.col = 0; oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); if (oap->end.col) --oap->end.col; } else if (!oap->inclusive) dec(&(oap->end)); if (pos.lnum == oap->end.lnum) did_change = swapchars(oap->op_type, &pos, oap->end.col - pos.col + 1); else for (;;) { did_change |= swapchars(oap->op_type, &pos, pos.lnum == oap->end.lnum ? oap->end.col + 1: (int)STRLEN(ml_get_pos(&pos))); if (LTOREQ_POS(oap->end, pos) || inc(&pos) == -1) break; } if (did_change) { changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 0L); #ifdef FEAT_NETBEANS_INTG if (netbeans_active() && did_change) { char_u *ptr; int count; pos = oap->start; while (pos.lnum < oap->end.lnum) { ptr = ml_get_buf(curbuf, pos.lnum, FALSE); count = (int)STRLEN(ptr) - pos.col; netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count); pos.col = 0; pos.lnum++; } ptr = ml_get_buf(curbuf, pos.lnum, FALSE); count = oap->end.col - pos.col + 1; netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count); } #endif } } if (!did_change && oap->is_VIsual) /* No change: need to remove the Visual selection */ redraw_curbuf_later(INVERTED); /* * Set '[ and '] marks. */ curbuf->b_op_start = oap->start; curbuf->b_op_end = oap->end; if (oap->line_count > p_report) smsg(NGETTEXT("%ld line changed", "%ld lines changed", oap->line_count), oap->line_count); } /* * Invoke swapchar() on "length" bytes at position "pos". * "pos" is advanced to just after the changed characters. * "length" is rounded up to include the whole last multi-byte character. * Also works correctly when the number of bytes changes. * Returns TRUE if some character was changed. */ static int swapchars(int op_type, pos_T *pos, int length) { int todo; int did_change = 0; for (todo = length; todo > 0; --todo) { if (has_mbyte) { int len = (*mb_ptr2len)(ml_get_pos(pos)); /* we're counting bytes, not characters */ if (len > 0) todo -= len - 1; } did_change |= swapchar(op_type, pos); if (inc(pos) == -1) /* at end of file */ break; } return did_change; } /* * If op_type == OP_UPPER: make uppercase, * if op_type == OP_LOWER: make lowercase, * if op_type == OP_ROT13: do rot13 encoding, * else swap case of character at 'pos' * returns TRUE when something actually changed. */ int swapchar(int op_type, pos_T *pos) { int c; int nc; c = gchar_pos(pos); /* Only do rot13 encoding for ASCII characters. */ if (c >= 0x80 && op_type == OP_ROT13) return FALSE; if (op_type == OP_UPPER && c == 0xdf && (enc_latin1like || STRCMP(p_enc, "iso-8859-2") == 0)) { pos_T sp = curwin->w_cursor; /* Special handling of German sharp s: change to "SS". */ curwin->w_cursor = *pos; del_char(FALSE); ins_char('S'); ins_char('S'); curwin->w_cursor = sp; inc(pos); } if (enc_dbcs != 0 && c >= 0x100) /* No lower/uppercase letter */ return FALSE; nc = c; if (MB_ISLOWER(c)) { if (op_type == OP_ROT13) nc = ROT13(c, 'a'); else if (op_type != OP_LOWER) nc = MB_TOUPPER(c); } else if (MB_ISUPPER(c)) { if (op_type == OP_ROT13) nc = ROT13(c, 'A'); else if (op_type != OP_UPPER) nc = MB_TOLOWER(c); } if (nc != c) { if (enc_utf8 && (c >= 0x80 || nc >= 0x80)) { pos_T sp = curwin->w_cursor; curwin->w_cursor = *pos; /* don't use del_char(), it also removes composing chars */ del_bytes(utf_ptr2len(ml_get_cursor()), FALSE, FALSE); ins_char(nc); curwin->w_cursor = sp; } else PBYTE(*pos, nc); return TRUE; } return FALSE; } /* * op_insert - Insert and append operators for Visual mode. */ void op_insert(oparg_T *oap, long count1) { long ins_len, pre_textlen = 0; char_u *firstline, *ins_text; colnr_T ind_pre = 0, ind_post; struct block_def bd; int i; pos_T t1; /* edit() changes this - record it for OP_APPEND */ bd.is_MAX = (curwin->w_curswant == MAXCOL); /* vis block is still marked. Get rid of it now. */ curwin->w_cursor.lnum = oap->start.lnum; update_screen(INVERTED); if (oap->block_mode) { /* When 'virtualedit' is used, need to insert the extra spaces before * doing block_prep(). When only "block" is used, virtual edit is * already disabled, but still need it when calling * coladvance_force(). */ if (curwin->w_cursor.coladd > 0) { int old_ve_flags = ve_flags; ve_flags = VE_ALL; if (u_save_cursor() == FAIL) return; coladvance_force(oap->op_type == OP_APPEND ? oap->end_vcol + 1 : getviscol()); if (oap->op_type == OP_APPEND) --curwin->w_cursor.col; ve_flags = old_ve_flags; } /* Get the info about the block before entering the text */ block_prep(oap, &bd, oap->start.lnum, TRUE); /* Get indent information */ ind_pre = (colnr_T)getwhitecols_curline(); firstline = ml_get(oap->start.lnum) + bd.textcol; if (oap->op_type == OP_APPEND) firstline += bd.textlen; pre_textlen = (long)STRLEN(firstline); } if (oap->op_type == OP_APPEND) { if (oap->block_mode && curwin->w_cursor.coladd == 0) { /* Move the cursor to the character right of the block. */ curwin->w_set_curswant = TRUE; while (*ml_get_cursor() != NUL && (curwin->w_cursor.col < bd.textcol + bd.textlen)) ++curwin->w_cursor.col; if (bd.is_short && !bd.is_MAX) { /* First line was too short, make it longer and adjust the * values in "bd". */ if (u_save_cursor() == FAIL) return; for (i = 0; i < bd.endspaces; ++i) ins_char(' '); bd.textlen += bd.endspaces; } } else { curwin->w_cursor = oap->end; check_cursor_col(); /* Works just like an 'i'nsert on the next character. */ if (!LINEEMPTY(curwin->w_cursor.lnum) && oap->start_vcol != oap->end_vcol) inc_cursor(); } } t1 = oap->start; (void)edit(NUL, FALSE, (linenr_T)count1); /* When a tab was inserted, and the characters in front of the tab * have been converted to a tab as well, the column of the cursor * might have actually been reduced, so need to adjust here. */ if (t1.lnum == curbuf->b_op_start_orig.lnum && LT_POS(curbuf->b_op_start_orig, t1)) oap->start = curbuf->b_op_start_orig; /* If user has moved off this line, we don't know what to do, so do * nothing. * Also don't repeat the insert when Insert mode ended with CTRL-C. */ if (curwin->w_cursor.lnum != oap->start.lnum || got_int) return; if (oap->block_mode) { struct block_def bd2; int did_indent = FALSE; size_t len; int add; /* If indent kicked in, the firstline might have changed * but only do that, if the indent actually increased. */ ind_post = (colnr_T)getwhitecols_curline(); if (curbuf->b_op_start.col > ind_pre && ind_post > ind_pre) { bd.textcol += ind_post - ind_pre; bd.start_vcol += ind_post - ind_pre; did_indent = TRUE; } /* The user may have moved the cursor before inserting something, try * to adjust the block for that. But only do it, if the difference * does not come from indent kicking in. */ if (oap->start.lnum == curbuf->b_op_start_orig.lnum && !bd.is_MAX && !did_indent) { if (oap->op_type == OP_INSERT && oap->start.col + oap->start.coladd != curbuf->b_op_start_orig.col + curbuf->b_op_start_orig.coladd) { int t = getviscol2(curbuf->b_op_start_orig.col, curbuf->b_op_start_orig.coladd); oap->start.col = curbuf->b_op_start_orig.col; pre_textlen -= t - oap->start_vcol; oap->start_vcol = t; } else if (oap->op_type == OP_APPEND && oap->end.col + oap->end.coladd >= curbuf->b_op_start_orig.col + curbuf->b_op_start_orig.coladd) { int t = getviscol2(curbuf->b_op_start_orig.col, curbuf->b_op_start_orig.coladd); oap->start.col = curbuf->b_op_start_orig.col; /* reset pre_textlen to the value of OP_INSERT */ pre_textlen += bd.textlen; pre_textlen -= t - oap->start_vcol; oap->start_vcol = t; oap->op_type = OP_INSERT; } } /* * Spaces and tabs in the indent may have changed to other spaces and * tabs. Get the starting column again and correct the length. * Don't do this when "$" used, end-of-line will have changed. */ block_prep(oap, &bd2, oap->start.lnum, TRUE); if (!bd.is_MAX || bd2.textlen < bd.textlen) { if (oap->op_type == OP_APPEND) { pre_textlen += bd2.textlen - bd.textlen; if (bd2.endspaces) --bd2.textlen; } bd.textcol = bd2.textcol; bd.textlen = bd2.textlen; } /* * Subsequent calls to ml_get() flush the firstline data - take a * copy of the required string. */ firstline = ml_get(oap->start.lnum); len = STRLEN(firstline); add = bd.textcol; if (oap->op_type == OP_APPEND) add += bd.textlen; if ((size_t)add > len) firstline += len; // short line, point to the NUL else firstline += add; if (pre_textlen >= 0 && (ins_len = (long)STRLEN(firstline) - pre_textlen) > 0) { ins_text = vim_strnsave(firstline, (int)ins_len); if (ins_text != NULL) { /* block handled here */ if (u_save(oap->start.lnum, (linenr_T)(oap->end.lnum + 1)) == OK) block_insert(oap, ins_text, (oap->op_type == OP_INSERT), &bd); curwin->w_cursor.col = oap->start.col; check_cursor(); vim_free(ins_text); } } } } /* * op_change - handle a change operation * * return TRUE if edit() returns because of a CTRL-O command */ int op_change(oparg_T *oap) { colnr_T l; int retval; long offset; linenr_T linenr; long ins_len; long pre_textlen = 0; long pre_indent = 0; char_u *firstline; char_u *ins_text, *newp, *oldp; struct block_def bd; l = oap->start.col; if (oap->motion_type == MLINE) { l = 0; #ifdef FEAT_SMARTINDENT if (!p_paste && curbuf->b_p_si # ifdef FEAT_CINDENT && !curbuf->b_p_cin # endif ) can_si = TRUE; /* It's like opening a new line, do si */ #endif } /* First delete the text in the region. In an empty buffer only need to * save for undo */ if (curbuf->b_ml.ml_flags & ML_EMPTY) { if (u_save_cursor() == FAIL) return FALSE; } else if (op_delete(oap) == FAIL) return FALSE; if ((l > curwin->w_cursor.col) && !LINEEMPTY(curwin->w_cursor.lnum) && !virtual_op) inc_cursor(); /* check for still on same line (<CR> in inserted text meaningless) */ /* skip blank lines too */ if (oap->block_mode) { /* Add spaces before getting the current line length. */ if (virtual_op && (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL)) coladvance_force(getviscol()); firstline = ml_get(oap->start.lnum); pre_textlen = (long)STRLEN(firstline); pre_indent = (long)getwhitecols(firstline); bd.textcol = curwin->w_cursor.col; } #if defined(FEAT_LISP) || defined(FEAT_CINDENT) if (oap->motion_type == MLINE) fix_indent(); #endif retval = edit(NUL, FALSE, (linenr_T)1); /* * In Visual block mode, handle copying the new text to all lines of the * block. * Don't repeat the insert when Insert mode ended with CTRL-C. */ if (oap->block_mode && oap->start.lnum != oap->end.lnum && !got_int) { /* Auto-indenting may have changed the indent. If the cursor was past * the indent, exclude that indent change from the inserted text. */ firstline = ml_get(oap->start.lnum); if (bd.textcol > (colnr_T)pre_indent) { long new_indent = (long)getwhitecols(firstline); pre_textlen += new_indent - pre_indent; bd.textcol += new_indent - pre_indent; } ins_len = (long)STRLEN(firstline) - pre_textlen; if (ins_len > 0) { /* Subsequent calls to ml_get() flush the firstline data - take a * copy of the inserted text. */ if ((ins_text = alloc(ins_len + 1)) != NULL) { vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len); for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum; linenr++) { block_prep(oap, &bd, linenr, TRUE); if (!bd.is_short || virtual_op) { pos_T vpos; /* If the block starts in virtual space, count the * initial coladd offset as part of "startspaces" */ if (bd.is_short) { vpos.lnum = linenr; (void)getvpos(&vpos, oap->start_vcol); } else vpos.coladd = 0; oldp = ml_get(linenr); newp = alloc(STRLEN(oldp) + vpos.coladd + ins_len + 1); if (newp == NULL) continue; /* copy up to block start */ mch_memmove(newp, oldp, (size_t)bd.textcol); offset = bd.textcol; vim_memset(newp + offset, ' ', (size_t)vpos.coladd); offset += vpos.coladd; mch_memmove(newp + offset, ins_text, (size_t)ins_len); offset += ins_len; oldp += bd.textcol; STRMOVE(newp + offset, oldp); ml_replace(linenr, newp, FALSE); } } check_cursor(); changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); } vim_free(ins_text); } } return retval; } /* * set all the yank registers to empty (called from main()) */ void init_yank(void) { int i; for (i = 0; i < NUM_REGISTERS; ++i) y_regs[i].y_array = NULL; } #if defined(EXITFREE) || defined(PROTO) void clear_registers(void) { int i; for (i = 0; i < NUM_REGISTERS; ++i) { y_current = &y_regs[i]; if (y_current->y_array != NULL) free_yank_all(); } } #endif /* * Free "n" lines from the current yank register. * Called for normal freeing and in case of error. */ static void free_yank(long n) { if (y_current->y_array != NULL) { long i; for (i = n; --i >= 0; ) { #ifdef AMIGA /* only for very slow machines */ if ((i & 1023) == 1023) /* this may take a while */ { /* * This message should never cause a hit-return message. * Overwrite this message with any next message. */ ++no_wait_return; smsg(_("freeing %ld lines"), i + 1); --no_wait_return; msg_didout = FALSE; msg_col = 0; } #endif vim_free(y_current->y_array[i]); } VIM_CLEAR(y_current->y_array); #ifdef AMIGA if (n >= 1000) msg(""); #endif } } static void free_yank_all(void) { free_yank(y_current->y_size); } /* * Yank the text between "oap->start" and "oap->end" into a yank register. * If we are to append (uppercase register), we first yank into a new yank * register and then concatenate the old and the new one (so we keep the old * one in case of out-of-memory). * * Return FAIL for failure, OK otherwise. */ int op_yank(oparg_T *oap, int deleting, int mess) { long y_idx; /* index in y_array[] */ yankreg_T *curr; /* copy of y_current */ yankreg_T newreg; /* new yank register when appending */ char_u **new_ptr; linenr_T lnum; /* current line number */ long j; int yanktype = oap->motion_type; long yanklines = oap->line_count; linenr_T yankendlnum = oap->end.lnum; char_u *p; char_u *pnew; struct block_def bd; #if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) int did_star = FALSE; #endif /* check for read-only register */ if (oap->regname != 0 && !valid_yank_reg(oap->regname, TRUE)) { beep_flush(); return FAIL; } if (oap->regname == '_') /* black hole: nothing to do */ return OK; #ifdef FEAT_CLIPBOARD if (!clip_star.available && oap->regname == '*') oap->regname = 0; else if (!clip_plus.available && oap->regname == '+') oap->regname = 0; #endif if (!deleting) /* op_delete() already set y_current */ get_yank_register(oap->regname, TRUE); curr = y_current; /* append to existing contents */ if (y_append && y_current->y_array != NULL) y_current = &newreg; else free_yank_all(); /* free previously yanked lines */ /* * If the cursor was in column 1 before and after the movement, and the * operator is not inclusive, the yank is always linewise. */ if ( oap->motion_type == MCHAR && oap->start.col == 0 && !oap->inclusive && (!oap->is_VIsual || *p_sel == 'o') && !oap->block_mode && oap->end.col == 0 && yanklines > 1) { yanktype = MLINE; --yankendlnum; --yanklines; } y_current->y_size = yanklines; y_current->y_type = yanktype; /* set the yank register type */ y_current->y_width = 0; y_current->y_array = lalloc_clear(sizeof(char_u *) * yanklines, TRUE); if (y_current->y_array == NULL) { y_current = curr; return FAIL; } #ifdef FEAT_VIMINFO y_current->y_time_set = vim_time(); #endif y_idx = 0; lnum = oap->start.lnum; if (oap->block_mode) { /* Visual block mode */ y_current->y_type = MBLOCK; /* set the yank register type */ y_current->y_width = oap->end_vcol - oap->start_vcol; if (curwin->w_curswant == MAXCOL && y_current->y_width > 0) y_current->y_width--; } for ( ; lnum <= yankendlnum; lnum++, y_idx++) { switch (y_current->y_type) { case MBLOCK: block_prep(oap, &bd, lnum, FALSE); if (yank_copy_line(&bd, y_idx) == FAIL) goto fail; break; case MLINE: if ((y_current->y_array[y_idx] = vim_strsave(ml_get(lnum))) == NULL) goto fail; break; case MCHAR: { colnr_T startcol = 0, endcol = MAXCOL; int is_oneChar = FALSE; colnr_T cs, ce; p = ml_get(lnum); bd.startspaces = 0; bd.endspaces = 0; if (lnum == oap->start.lnum) { startcol = oap->start.col; if (virtual_op) { getvcol(curwin, &oap->start, &cs, NULL, &ce); if (ce != cs && oap->start.coladd > 0) { /* Part of a tab selected -- but don't * double-count it. */ bd.startspaces = (ce - cs + 1) - oap->start.coladd; startcol++; } } } if (lnum == oap->end.lnum) { endcol = oap->end.col; if (virtual_op) { getvcol(curwin, &oap->end, &cs, NULL, &ce); if (p[endcol] == NUL || (cs + oap->end.coladd < ce /* Don't add space for double-wide * char; endcol will be on last byte * of multi-byte char. */ && (*mb_head_off)(p, p + endcol) == 0)) { if (oap->start.lnum == oap->end.lnum && oap->start.col == oap->end.col) { /* Special case: inside a single char */ is_oneChar = TRUE; bd.startspaces = oap->end.coladd - oap->start.coladd + oap->inclusive; endcol = startcol; } else { bd.endspaces = oap->end.coladd + oap->inclusive; endcol -= oap->inclusive; } } } } if (endcol == MAXCOL) endcol = (colnr_T)STRLEN(p); if (startcol > endcol || is_oneChar) bd.textlen = 0; else bd.textlen = endcol - startcol + oap->inclusive; bd.textstart = p + startcol; if (yank_copy_line(&bd, y_idx) == FAIL) goto fail; break; } /* NOTREACHED */ } } if (curr != y_current) /* append the new block to the old block */ { new_ptr = ALLOC_MULT(char_u *, curr->y_size + y_current->y_size); if (new_ptr == NULL) goto fail; for (j = 0; j < curr->y_size; ++j) new_ptr[j] = curr->y_array[j]; vim_free(curr->y_array); curr->y_array = new_ptr; #ifdef FEAT_VIMINFO curr->y_time_set = vim_time(); #endif if (yanktype == MLINE) /* MLINE overrides MCHAR and MBLOCK */ curr->y_type = MLINE; /* Concatenate the last line of the old block with the first line of * the new block, unless being Vi compatible. */ if (curr->y_type == MCHAR && vim_strchr(p_cpo, CPO_REGAPPEND) == NULL) { pnew = alloc(STRLEN(curr->y_array[curr->y_size - 1]) + STRLEN(y_current->y_array[0]) + 1); if (pnew == NULL) { y_idx = y_current->y_size - 1; goto fail; } STRCPY(pnew, curr->y_array[--j]); STRCAT(pnew, y_current->y_array[0]); vim_free(curr->y_array[j]); vim_free(y_current->y_array[0]); curr->y_array[j++] = pnew; y_idx = 1; } else y_idx = 0; while (y_idx < y_current->y_size) curr->y_array[j++] = y_current->y_array[y_idx++]; curr->y_size = j; vim_free(y_current->y_array); y_current = curr; } if (curwin->w_p_rnu) redraw_later(SOME_VALID); /* cursor moved to start */ if (mess) /* Display message about yank? */ { if (yanktype == MCHAR && !oap->block_mode && yanklines == 1) yanklines = 0; /* Some versions of Vi use ">=" here, some don't... */ if (yanklines > p_report) { char namebuf[100]; if (oap->regname == NUL) *namebuf = NUL; else vim_snprintf(namebuf, sizeof(namebuf), _(" into \"%c"), oap->regname); /* redisplay now, so message is not deleted */ update_topline_redraw(); if (oap->block_mode) { smsg(NGETTEXT("block of %ld line yanked%s", "block of %ld lines yanked%s", yanklines), yanklines, namebuf); } else { smsg(NGETTEXT("%ld line yanked%s", "%ld lines yanked%s", yanklines), yanklines, namebuf); } } } /* * Set "'[" and "']" marks. */ curbuf->b_op_start = oap->start; curbuf->b_op_end = oap->end; if (yanktype == MLINE && !oap->block_mode) { curbuf->b_op_start.col = 0; curbuf->b_op_end.col = MAXCOL; } #ifdef FEAT_CLIPBOARD /* * If we were yanking to the '*' register, send result to clipboard. * If no register was specified, and "unnamed" in 'clipboard', make a copy * to the '*' register. */ if (clip_star.available && (curr == &(y_regs[STAR_REGISTER]) || (!deleting && oap->regname == 0 && ((clip_unnamed | clip_unnamed_saved) & CLIP_UNNAMED)))) { if (curr != &(y_regs[STAR_REGISTER])) /* Copy the text from register 0 to the clipboard register. */ copy_yank_reg(&(y_regs[STAR_REGISTER])); clip_own_selection(&clip_star); clip_gen_set_selection(&clip_star); # ifdef FEAT_X11 did_star = TRUE; # endif } # ifdef FEAT_X11 /* * If we were yanking to the '+' register, send result to selection. * Also copy to the '*' register, in case auto-select is off. */ if (clip_plus.available && (curr == &(y_regs[PLUS_REGISTER]) || (!deleting && oap->regname == 0 && ((clip_unnamed | clip_unnamed_saved) & CLIP_UNNAMED_PLUS)))) { if (curr != &(y_regs[PLUS_REGISTER])) /* Copy the text from register 0 to the clipboard register. */ copy_yank_reg(&(y_regs[PLUS_REGISTER])); clip_own_selection(&clip_plus); clip_gen_set_selection(&clip_plus); if (!clip_isautosel_star() && !clip_isautosel_plus() && !did_star && curr == &(y_regs[PLUS_REGISTER])) { copy_yank_reg(&(y_regs[STAR_REGISTER])); clip_own_selection(&clip_star); clip_gen_set_selection(&clip_star); } } # endif #endif #if defined(FEAT_EVAL) if (!deleting && has_textyankpost()) yank_do_autocmd(oap, y_current); #endif return OK; fail: /* free the allocated lines */ free_yank(y_idx + 1); y_current = curr; return FAIL; } static int yank_copy_line(struct block_def *bd, long y_idx) { char_u *pnew; if ((pnew = alloc(bd->startspaces + bd->endspaces + bd->textlen + 1)) == NULL) return FAIL; y_current->y_array[y_idx] = pnew; vim_memset(pnew, ' ', (size_t)bd->startspaces); pnew += bd->startspaces; mch_memmove(pnew, bd->textstart, (size_t)bd->textlen); pnew += bd->textlen; vim_memset(pnew, ' ', (size_t)bd->endspaces); pnew += bd->endspaces; *pnew = NUL; return OK; } #ifdef FEAT_CLIPBOARD /* * Make a copy of the y_current register to register "reg". */ static void copy_yank_reg(yankreg_T *reg) { yankreg_T *curr = y_current; long j; y_current = reg; free_yank_all(); *y_current = *curr; y_current->y_array = lalloc_clear( sizeof(char_u *) * y_current->y_size, TRUE); if (y_current->y_array == NULL) y_current->y_size = 0; else for (j = 0; j < y_current->y_size; ++j) if ((y_current->y_array[j] = vim_strsave(curr->y_array[j])) == NULL) { free_yank(j); y_current->y_size = 0; break; } y_current = curr; } #endif /* * Put contents of register "regname" into the text. * Caller must check "regname" to be valid! * "flags": PUT_FIXINDENT make indent look nice * PUT_CURSEND leave cursor after end of new text * PUT_LINE force linewise put (":put") */ void do_put( int regname, int dir, /* BACKWARD for 'P', FORWARD for 'p' */ long count, int flags) { char_u *ptr; char_u *newp, *oldp; int yanklen; int totlen = 0; /* init for gcc */ linenr_T lnum; colnr_T col; long i; /* index in y_array[] */ int y_type; long y_size; int oldlen; long y_width = 0; colnr_T vcol; int delcount; int incr = 0; long j; struct block_def bd; char_u **y_array = NULL; long nr_lines = 0; pos_T new_cursor; int indent; int orig_indent = 0; /* init for gcc */ int indent_diff = 0; /* init for gcc */ int first_indent = TRUE; int lendiff = 0; pos_T old_pos; char_u *insert_string = NULL; int allocated = FALSE; long cnt; #ifdef FEAT_CLIPBOARD /* Adjust register name for "unnamed" in 'clipboard'. */ adjust_clip_reg(®name); (void)may_get_selection(regname); #endif if (flags & PUT_FIXINDENT) orig_indent = get_indent(); curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */ curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */ /* * Using inserted text works differently, because the register includes * special characters (newlines, etc.). */ if (regname == '.') { if (VIsual_active) stuffcharReadbuff(VIsual_mode); (void)stuff_inserted((dir == FORWARD ? (count == -1 ? 'o' : 'a') : (count == -1 ? 'O' : 'i')), count, FALSE); /* Putting the text is done later, so can't really move the cursor to * the next character. Use "l" to simulate it. */ if ((flags & PUT_CURSEND) && gchar_cursor() != NUL) stuffcharReadbuff('l'); return; } /* * For special registers '%' (file name), '#' (alternate file name) and * ':' (last command line), etc. we have to create a fake yank register. */ if (get_spec_reg(regname, &insert_string, &allocated, TRUE)) { if (insert_string == NULL) return; } /* Autocommands may be executed when saving lines for undo. This might * make "y_array" invalid, so we start undo now to avoid that. */ if (u_save(curwin->w_cursor.lnum, curwin->w_cursor.lnum + 1) == FAIL) goto end; if (insert_string != NULL) { y_type = MCHAR; #ifdef FEAT_EVAL if (regname == '=') { /* For the = register we need to split the string at NL * characters. * Loop twice: count the number of lines and save them. */ for (;;) { y_size = 0; ptr = insert_string; while (ptr != NULL) { if (y_array != NULL) y_array[y_size] = ptr; ++y_size; ptr = vim_strchr(ptr, '\n'); if (ptr != NULL) { if (y_array != NULL) *ptr = NUL; ++ptr; /* A trailing '\n' makes the register linewise. */ if (*ptr == NUL) { y_type = MLINE; break; } } } if (y_array != NULL) break; y_array = ALLOC_MULT(char_u *, y_size); if (y_array == NULL) goto end; } } else #endif { y_size = 1; /* use fake one-line yank register */ y_array = &insert_string; } } else { get_yank_register(regname, FALSE); y_type = y_current->y_type; y_width = y_current->y_width; y_size = y_current->y_size; y_array = y_current->y_array; } if (y_type == MLINE) { if (flags & PUT_LINE_SPLIT) { char_u *p; /* "p" or "P" in Visual mode: split the lines to put the text in * between. */ if (u_save_cursor() == FAIL) goto end; p = ml_get_cursor(); if (dir == FORWARD && *p != NUL) MB_PTR_ADV(p); ptr = vim_strsave(p); if (ptr == NULL) goto end; ml_append(curwin->w_cursor.lnum, ptr, (colnr_T)0, FALSE); vim_free(ptr); oldp = ml_get_curline(); p = oldp + curwin->w_cursor.col; if (dir == FORWARD && *p != NUL) MB_PTR_ADV(p); ptr = vim_strnsave(oldp, p - oldp); if (ptr == NULL) goto end; ml_replace(curwin->w_cursor.lnum, ptr, FALSE); ++nr_lines; dir = FORWARD; } if (flags & PUT_LINE_FORWARD) { /* Must be "p" for a Visual block, put lines below the block. */ curwin->w_cursor = curbuf->b_visual.vi_end; dir = FORWARD; } curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */ curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */ } if (flags & PUT_LINE) /* :put command or "p" in Visual line mode. */ y_type = MLINE; if (y_size == 0 || y_array == NULL) { semsg(_("E353: Nothing in register %s"), regname == 0 ? (char_u *)"\"" : transchar(regname)); goto end; } if (y_type == MBLOCK) { lnum = curwin->w_cursor.lnum + y_size + 1; if (lnum > curbuf->b_ml.ml_line_count) lnum = curbuf->b_ml.ml_line_count + 1; if (u_save(curwin->w_cursor.lnum - 1, lnum) == FAIL) goto end; } else if (y_type == MLINE) { lnum = curwin->w_cursor.lnum; #ifdef FEAT_FOLDING /* Correct line number for closed fold. Don't move the cursor yet, * u_save() uses it. */ if (dir == BACKWARD) (void)hasFolding(lnum, &lnum, NULL); else (void)hasFolding(lnum, NULL, &lnum); #endif if (dir == FORWARD) ++lnum; /* In an empty buffer the empty line is going to be replaced, include * it in the saved lines. */ if ((BUFEMPTY() ? u_save(0, 2) : u_save(lnum - 1, lnum)) == FAIL) goto end; #ifdef FEAT_FOLDING if (dir == FORWARD) curwin->w_cursor.lnum = lnum - 1; else curwin->w_cursor.lnum = lnum; curbuf->b_op_start = curwin->w_cursor; /* for mark_adjust() */ #endif } else if (u_save_cursor() == FAIL) goto end; yanklen = (int)STRLEN(y_array[0]); if (ve_flags == VE_ALL && y_type == MCHAR) { if (gchar_cursor() == TAB) { /* Don't need to insert spaces when "p" on the last position of a * tab or "P" on the first position. */ #ifdef FEAT_VARTABS int viscol = getviscol(); if (dir == FORWARD ? tabstop_padding(viscol, curbuf->b_p_ts, curbuf->b_p_vts_array) != 1 : curwin->w_cursor.coladd > 0) coladvance_force(viscol); #else if (dir == FORWARD ? (int)curwin->w_cursor.coladd < curbuf->b_p_ts - 1 : curwin->w_cursor.coladd > 0) coladvance_force(getviscol()); #endif else curwin->w_cursor.coladd = 0; } else if (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL) coladvance_force(getviscol() + (dir == FORWARD)); } lnum = curwin->w_cursor.lnum; col = curwin->w_cursor.col; /* * Block mode */ if (y_type == MBLOCK) { int c = gchar_cursor(); colnr_T endcol2 = 0; if (dir == FORWARD && c != NUL) { if (ve_flags == VE_ALL) getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); else getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col); if (has_mbyte) /* move to start of next multi-byte character */ curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); else if (c != TAB || ve_flags != VE_ALL) ++curwin->w_cursor.col; ++col; } else getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); col += curwin->w_cursor.coladd; if (ve_flags == VE_ALL && (curwin->w_cursor.coladd > 0 || endcol2 == curwin->w_cursor.col)) { if (dir == FORWARD && c == NUL) ++col; if (dir != FORWARD && c != NUL) ++curwin->w_cursor.col; if (c == TAB) { if (dir == BACKWARD && curwin->w_cursor.col) curwin->w_cursor.col--; if (dir == FORWARD && col - 1 == endcol2) curwin->w_cursor.col++; } } curwin->w_cursor.coladd = 0; bd.textcol = 0; for (i = 0; i < y_size; ++i) { int spaces; char shortline; bd.startspaces = 0; bd.endspaces = 0; vcol = 0; delcount = 0; /* add a new line */ if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) { if (ml_append(curbuf->b_ml.ml_line_count, (char_u *)"", (colnr_T)1, FALSE) == FAIL) break; ++nr_lines; } /* get the old line and advance to the position to insert at */ oldp = ml_get_curline(); oldlen = (int)STRLEN(oldp); for (ptr = oldp; vcol < col && *ptr; ) { /* Count a tab for what it's worth (if list mode not on) */ incr = lbr_chartabsize_adv(oldp, &ptr, (colnr_T)vcol); vcol += incr; } bd.textcol = (colnr_T)(ptr - oldp); shortline = (vcol < col) || (vcol == col && !*ptr) ; if (vcol < col) /* line too short, padd with spaces */ bd.startspaces = col - vcol; else if (vcol > col) { bd.endspaces = vcol - col; bd.startspaces = incr - bd.endspaces; --bd.textcol; delcount = 1; if (has_mbyte) bd.textcol -= (*mb_head_off)(oldp, oldp + bd.textcol); if (oldp[bd.textcol] != TAB) { /* Only a Tab can be split into spaces. Other * characters will have to be moved to after the * block, causing misalignment. */ delcount = 0; bd.endspaces = 0; } } yanklen = (int)STRLEN(y_array[i]); /* calculate number of spaces required to fill right side of block*/ spaces = y_width + 1; for (j = 0; j < yanklen; j++) spaces -= lbr_chartabsize(NULL, &y_array[i][j], 0); if (spaces < 0) spaces = 0; /* insert the new text */ totlen = count * (yanklen + spaces) + bd.startspaces + bd.endspaces; newp = alloc(totlen + oldlen + 1); if (newp == NULL) break; /* copy part up to cursor to new line */ ptr = newp; mch_memmove(ptr, oldp, (size_t)bd.textcol); ptr += bd.textcol; /* may insert some spaces before the new text */ vim_memset(ptr, ' ', (size_t)bd.startspaces); ptr += bd.startspaces; /* insert the new text */ for (j = 0; j < count; ++j) { mch_memmove(ptr, y_array[i], (size_t)yanklen); ptr += yanklen; /* insert block's trailing spaces only if there's text behind */ if ((j < count - 1 || !shortline) && spaces) { vim_memset(ptr, ' ', (size_t)spaces); ptr += spaces; } } /* may insert some spaces after the new text */ vim_memset(ptr, ' ', (size_t)bd.endspaces); ptr += bd.endspaces; /* move the text after the cursor to the end of the line. */ mch_memmove(ptr, oldp + bd.textcol + delcount, (size_t)(oldlen - bd.textcol - delcount + 1)); ml_replace(curwin->w_cursor.lnum, newp, FALSE); ++curwin->w_cursor.lnum; if (i == 0) curwin->w_cursor.col += bd.startspaces; } changed_lines(lnum, 0, curwin->w_cursor.lnum, nr_lines); /* Set '[ mark. */ curbuf->b_op_start = curwin->w_cursor; curbuf->b_op_start.lnum = lnum; /* adjust '] mark */ curbuf->b_op_end.lnum = curwin->w_cursor.lnum - 1; curbuf->b_op_end.col = bd.textcol + totlen - 1; curbuf->b_op_end.coladd = 0; if (flags & PUT_CURSEND) { colnr_T len; curwin->w_cursor = curbuf->b_op_end; curwin->w_cursor.col++; /* in Insert mode we might be after the NUL, correct for that */ len = (colnr_T)STRLEN(ml_get_curline()); if (curwin->w_cursor.col > len) curwin->w_cursor.col = len; } else curwin->w_cursor.lnum = lnum; } else { /* * Character or Line mode */ if (y_type == MCHAR) { /* if type is MCHAR, FORWARD is the same as BACKWARD on the next * char */ if (dir == FORWARD && gchar_cursor() != NUL) { if (has_mbyte) { int bytelen = (*mb_ptr2len)(ml_get_cursor()); /* put it on the next of the multi-byte character. */ col += bytelen; if (yanklen) { curwin->w_cursor.col += bytelen; curbuf->b_op_end.col += bytelen; } } else { ++col; if (yanklen) { ++curwin->w_cursor.col; ++curbuf->b_op_end.col; } } } curbuf->b_op_start = curwin->w_cursor; } /* * Line mode: BACKWARD is the same as FORWARD on the previous line */ else if (dir == BACKWARD) --lnum; new_cursor = curwin->w_cursor; /* * simple case: insert into current line */ if (y_type == MCHAR && y_size == 1) { linenr_T end_lnum = 0; /* init for gcc */ if (VIsual_active) { end_lnum = curbuf->b_visual.vi_end.lnum; if (end_lnum < curbuf->b_visual.vi_start.lnum) end_lnum = curbuf->b_visual.vi_start.lnum; } do { totlen = count * yanklen; if (totlen > 0) { oldp = ml_get(lnum); if (VIsual_active && col > (int)STRLEN(oldp)) { lnum++; continue; } newp = alloc(STRLEN(oldp) + totlen + 1); if (newp == NULL) goto end; /* alloc() gave an error message */ mch_memmove(newp, oldp, (size_t)col); ptr = newp + col; for (i = 0; i < count; ++i) { mch_memmove(ptr, y_array[0], (size_t)yanklen); ptr += yanklen; } STRMOVE(ptr, oldp + col); ml_replace(lnum, newp, FALSE); /* Place cursor on last putted char. */ if (lnum == curwin->w_cursor.lnum) { /* make sure curwin->w_virtcol is updated */ changed_cline_bef_curs(); curwin->w_cursor.col += (colnr_T)(totlen - 1); } } if (VIsual_active) lnum++; } while (VIsual_active && lnum <= end_lnum); if (VIsual_active) /* reset lnum to the last visual line */ lnum--; curbuf->b_op_end = curwin->w_cursor; /* For "CTRL-O p" in Insert mode, put cursor after last char */ if (totlen && (restart_edit != 0 || (flags & PUT_CURSEND))) ++curwin->w_cursor.col; changed_bytes(lnum, col); } else { /* * Insert at least one line. When y_type is MCHAR, break the first * line in two. */ for (cnt = 1; cnt <= count; ++cnt) { i = 0; if (y_type == MCHAR) { /* * Split the current line in two at the insert position. * First insert y_array[size - 1] in front of second line. * Then append y_array[0] to first line. */ lnum = new_cursor.lnum; ptr = ml_get(lnum) + col; totlen = (int)STRLEN(y_array[y_size - 1]); newp = alloc(STRLEN(ptr) + totlen + 1); if (newp == NULL) goto error; STRCPY(newp, y_array[y_size - 1]); STRCAT(newp, ptr); /* insert second line */ ml_append(lnum, newp, (colnr_T)0, FALSE); vim_free(newp); oldp = ml_get(lnum); newp = alloc(col + yanklen + 1); if (newp == NULL) goto error; /* copy first part of line */ mch_memmove(newp, oldp, (size_t)col); /* append to first line */ mch_memmove(newp + col, y_array[0], (size_t)(yanklen + 1)); ml_replace(lnum, newp, FALSE); curwin->w_cursor.lnum = lnum; i = 1; } for (; i < y_size; ++i) { if ((y_type != MCHAR || i < y_size - 1) && ml_append(lnum, y_array[i], (colnr_T)0, FALSE) == FAIL) goto error; lnum++; ++nr_lines; if (flags & PUT_FIXINDENT) { old_pos = curwin->w_cursor; curwin->w_cursor.lnum = lnum; ptr = ml_get(lnum); if (cnt == count && i == y_size - 1) lendiff = (int)STRLEN(ptr); #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) if (*ptr == '#' && preprocs_left()) indent = 0; /* Leave # lines at start */ else #endif if (*ptr == NUL) indent = 0; /* Ignore empty lines */ else if (first_indent) { indent_diff = orig_indent - get_indent(); indent = orig_indent; first_indent = FALSE; } else if ((indent = get_indent() + indent_diff) < 0) indent = 0; (void)set_indent(indent, 0); curwin->w_cursor = old_pos; /* remember how many chars were removed */ if (cnt == count && i == y_size - 1) lendiff -= (int)STRLEN(ml_get(lnum)); } } } error: /* Adjust marks. */ if (y_type == MLINE) { curbuf->b_op_start.col = 0; if (dir == FORWARD) curbuf->b_op_start.lnum++; } /* Skip mark_adjust when adding lines after the last one, there * can't be marks there. But still needed in diff mode. */ if (curbuf->b_op_start.lnum + (y_type == MCHAR) - 1 + nr_lines < curbuf->b_ml.ml_line_count #ifdef FEAT_DIFF || curwin->w_p_diff #endif ) mark_adjust(curbuf->b_op_start.lnum + (y_type == MCHAR), (linenr_T)MAXLNUM, nr_lines, 0L); /* note changed text for displaying and folding */ if (y_type == MCHAR) changed_lines(curwin->w_cursor.lnum, col, curwin->w_cursor.lnum + 1, nr_lines); else changed_lines(curbuf->b_op_start.lnum, 0, curbuf->b_op_start.lnum, nr_lines); /* put '] mark at last inserted character */ curbuf->b_op_end.lnum = lnum; /* correct length for change in indent */ col = (colnr_T)STRLEN(y_array[y_size - 1]) - lendiff; if (col > 1) curbuf->b_op_end.col = col - 1; else curbuf->b_op_end.col = 0; if (flags & PUT_CURSLINE) { /* ":put": put cursor on last inserted line */ curwin->w_cursor.lnum = lnum; beginline(BL_WHITE | BL_FIX); } else if (flags & PUT_CURSEND) { /* put cursor after inserted text */ if (y_type == MLINE) { if (lnum >= curbuf->b_ml.ml_line_count) curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; else curwin->w_cursor.lnum = lnum + 1; curwin->w_cursor.col = 0; } else { curwin->w_cursor.lnum = lnum; curwin->w_cursor.col = col; } } else if (y_type == MLINE) { /* put cursor on first non-blank in first inserted line */ curwin->w_cursor.col = 0; if (dir == FORWARD) ++curwin->w_cursor.lnum; beginline(BL_WHITE | BL_FIX); } else /* put cursor on first inserted character */ curwin->w_cursor = new_cursor; } } msgmore(nr_lines); curwin->w_set_curswant = TRUE; end: if (allocated) vim_free(insert_string); if (regname == '=') vim_free(y_array); VIsual_active = FALSE; /* If the cursor is past the end of the line put it at the end. */ adjust_cursor_eol(); } /* * When the cursor is on the NUL past the end of the line and it should not be * there move it left. */ void adjust_cursor_eol(void) { if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL && (ve_flags & VE_ONEMORE) == 0 && !(restart_edit || (State & INSERT))) { /* Put the cursor on the last character in the line. */ dec_cursor(); if (ve_flags == VE_ALL) { colnr_T scol, ecol; /* Coladd is set to the width of the last character. */ getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol); curwin->w_cursor.coladd = ecol - scol + 1; } } } #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) || defined(PROTO) /* * Return TRUE if lines starting with '#' should be left aligned. */ static int preprocs_left(void) { return # ifdef FEAT_SMARTINDENT # ifdef FEAT_CINDENT (curbuf->b_p_si && !curbuf->b_p_cin) || # else curbuf->b_p_si # endif # endif # ifdef FEAT_CINDENT (curbuf->b_p_cin && in_cinkeys('#', ' ', TRUE) && curbuf->b_ind_hash_comment == 0) # endif ; } #endif /* * Return the character name of the register with the given number. */ int get_register_name(int num) { if (num == -1) return '"'; else if (num < 10) return num + '0'; else if (num == DELETION_REGISTER) return '-'; #ifdef FEAT_CLIPBOARD else if (num == STAR_REGISTER) return '*'; else if (num == PLUS_REGISTER) return '+'; #endif else { #ifdef EBCDIC int i; /* EBCDIC is really braindead ... */ i = 'a' + (num - 10); if (i > 'i') i += 7; if (i > 'r') i += 8; return i; #else return num + 'a' - 10; #endif } } /* * ":dis" and ":registers": Display the contents of the yank registers. */ void ex_display(exarg_T *eap) { int i, n; long j; char_u *p; yankreg_T *yb; int name; int attr; char_u *arg = eap->arg; int clen; if (arg != NULL && *arg == NUL) arg = NULL; attr = HL_ATTR(HLF_8); /* Highlight title */ msg_puts_title(_("\n--- Registers ---")); for (i = -1; i < NUM_REGISTERS && !got_int; ++i) { name = get_register_name(i); if (arg != NULL && vim_strchr(arg, name) == NULL #ifdef ONE_CLIPBOARD /* Star register and plus register contain the same thing. */ && (name != '*' || vim_strchr(arg, '+') == NULL) #endif ) continue; /* did not ask for this register */ #ifdef FEAT_CLIPBOARD /* Adjust register name for "unnamed" in 'clipboard'. * When it's a clipboard register, fill it with the current contents * of the clipboard. */ adjust_clip_reg(&name); (void)may_get_selection(name); #endif if (i == -1) { if (y_previous != NULL) yb = y_previous; else yb = &(y_regs[0]); } else yb = &(y_regs[i]); #ifdef FEAT_EVAL if (name == MB_TOLOWER(redir_reg) || (redir_reg == '"' && yb == y_previous)) continue; /* do not list register being written to, the * pointer can be freed */ #endif if (yb->y_array != NULL) { msg_putchar('\n'); msg_putchar('"'); msg_putchar(name); msg_puts(" "); n = (int)Columns - 6; for (j = 0; j < yb->y_size && n > 1; ++j) { if (j) { msg_puts_attr("^J", attr); n -= 2; } for (p = yb->y_array[j]; *p && (n -= ptr2cells(p)) >= 0; ++p) { clen = (*mb_ptr2len)(p); msg_outtrans_len(p, clen); p += clen - 1; } } if (n > 1 && yb->y_type == MLINE) msg_puts_attr("^J", attr); out_flush(); /* show one line at a time */ } ui_breakcheck(); } /* * display last inserted text */ if ((p = get_last_insert()) != NULL && (arg == NULL || vim_strchr(arg, '.') != NULL) && !got_int) { msg_puts("\n\". "); dis_msg(p, TRUE); } /* * display last command line */ if (last_cmdline != NULL && (arg == NULL || vim_strchr(arg, ':') != NULL) && !got_int) { msg_puts("\n\": "); dis_msg(last_cmdline, FALSE); } /* * display current file name */ if (curbuf->b_fname != NULL && (arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) { msg_puts("\n\"% "); dis_msg(curbuf->b_fname, FALSE); } /* * display alternate file name */ if ((arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) { char_u *fname; linenr_T dummy; if (buflist_name_nr(0, &fname, &dummy) != FAIL) { msg_puts("\n\"# "); dis_msg(fname, FALSE); } } /* * display last search pattern */ if (last_search_pat() != NULL && (arg == NULL || vim_strchr(arg, '/') != NULL) && !got_int) { msg_puts("\n\"/ "); dis_msg(last_search_pat(), FALSE); } #ifdef FEAT_EVAL /* * display last used expression */ if (expr_line != NULL && (arg == NULL || vim_strchr(arg, '=') != NULL) && !got_int) { msg_puts("\n\"= "); dis_msg(expr_line, FALSE); } #endif } /* * display a string for do_dis() * truncate at end of screen line */ static void dis_msg( char_u *p, int skip_esc) /* if TRUE, ignore trailing ESC */ { int n; int l; n = (int)Columns - 6; while (*p != NUL && !(*p == ESC && skip_esc && *(p + 1) == NUL) && (n -= ptr2cells(p)) >= 0) { if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) { msg_outtrans_len(p, l); p += l; } else msg_outtrans_len(p++, 1); } ui_breakcheck(); } #if defined(FEAT_COMMENTS) || defined(PROTO) /* * If "process" is TRUE and the line begins with a comment leader (possibly * after some white space), return a pointer to the text after it. Put a boolean * value indicating whether the line ends with an unclosed comment in * "is_comment". * line - line to be processed, * process - if FALSE, will only check whether the line ends with an unclosed * comment, * include_space - whether to also skip space following the comment leader, * is_comment - will indicate whether the current line ends with an unclosed * comment. */ char_u * skip_comment( char_u *line, int process, int include_space, int *is_comment) { char_u *comment_flags = NULL; int lead_len; int leader_offset = get_last_leader_offset(line, &comment_flags); *is_comment = FALSE; if (leader_offset != -1) { /* Let's check whether the line ends with an unclosed comment. * If the last comment leader has COM_END in flags, there's no comment. */ while (*comment_flags) { if (*comment_flags == COM_END || *comment_flags == ':') break; ++comment_flags; } if (*comment_flags != COM_END) *is_comment = TRUE; } if (process == FALSE) return line; lead_len = get_leader_len(line, &comment_flags, FALSE, include_space); if (lead_len == 0) return line; /* Find: * - COM_END, * - colon, * whichever comes first. */ while (*comment_flags) { if (*comment_flags == COM_END || *comment_flags == ':') break; ++comment_flags; } /* If we found a colon, it means that we are not processing a line * starting with a closing part of a three-part comment. That's good, * because we don't want to remove those as this would be annoying. */ if (*comment_flags == ':' || *comment_flags == NUL) line += lead_len; return line; } #endif /* * Join 'count' lines (minimal 2) at cursor position. * When "save_undo" is TRUE save lines for undo first. * Set "use_formatoptions" to FALSE when e.g. processing backspace and comment * leaders should not be removed. * When setmark is TRUE, sets the '[ and '] mark, else, the caller is expected * to set those marks. * * return FAIL for failure, OK otherwise */ int do_join( long count, int insert_space, int save_undo, int use_formatoptions UNUSED, int setmark) { char_u *curr = NULL; char_u *curr_start = NULL; char_u *cend; char_u *newp; char_u *spaces; /* number of spaces inserted before a line */ int endcurr1 = NUL; int endcurr2 = NUL; int currsize = 0; /* size of the current line */ int sumsize = 0; /* size of the long new line */ linenr_T t; colnr_T col = 0; int ret = OK; #if defined(FEAT_COMMENTS) || defined(PROTO) int *comments = NULL; int remove_comments = (use_formatoptions == TRUE) && has_format_option(FO_REMOVE_COMS); int prev_was_comment; #endif #ifdef FEAT_TEXT_PROP textprop_T **prop_lines = NULL; int *prop_lengths = NULL; #endif if (save_undo && u_save((linenr_T)(curwin->w_cursor.lnum - 1), (linenr_T)(curwin->w_cursor.lnum + count)) == FAIL) return FAIL; /* Allocate an array to store the number of spaces inserted before each * line. We will use it to pre-compute the length of the new line and the * proper placement of each original line in the new one. */ spaces = lalloc_clear(count, TRUE); if (spaces == NULL) return FAIL; #if defined(FEAT_COMMENTS) || defined(PROTO) if (remove_comments) { comments = lalloc_clear(count * sizeof(int), TRUE); if (comments == NULL) { vim_free(spaces); return FAIL; } } #endif /* * Don't move anything yet, just compute the final line length * and setup the array of space strings lengths * This loops forward over the joined lines. */ for (t = 0; t < count; ++t) { curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t)); if (t == 0 && setmark) { /* Set the '[ mark. */ curwin->w_buffer->b_op_start.lnum = curwin->w_cursor.lnum; curwin->w_buffer->b_op_start.col = (colnr_T)STRLEN(curr); } #if defined(FEAT_COMMENTS) || defined(PROTO) if (remove_comments) { /* We don't want to remove the comment leader if the * previous line is not a comment. */ if (t > 0 && prev_was_comment) { char_u *new_curr = skip_comment(curr, TRUE, insert_space, &prev_was_comment); comments[t] = (int)(new_curr - curr); curr = new_curr; } else curr = skip_comment(curr, FALSE, insert_space, &prev_was_comment); } #endif if (insert_space && t > 0) { curr = skipwhite(curr); if (*curr != ')' && currsize != 0 && endcurr1 != TAB && (!has_format_option(FO_MBYTE_JOIN) || (mb_ptr2char(curr) < 0x100 && endcurr1 < 0x100)) && (!has_format_option(FO_MBYTE_JOIN2) || mb_ptr2char(curr) < 0x100 || endcurr1 < 0x100) ) { /* don't add a space if the line is ending in a space */ if (endcurr1 == ' ') endcurr1 = endcurr2; else ++spaces[t]; /* extra space when 'joinspaces' set and line ends in '.' */ if ( p_js && (endcurr1 == '.' || (vim_strchr(p_cpo, CPO_JOINSP) == NULL && (endcurr1 == '?' || endcurr1 == '!')))) ++spaces[t]; } } currsize = (int)STRLEN(curr); sumsize += currsize + spaces[t]; endcurr1 = endcurr2 = NUL; if (insert_space && currsize > 0) { if (has_mbyte) { cend = curr + currsize; MB_PTR_BACK(curr, cend); endcurr1 = (*mb_ptr2char)(cend); if (cend > curr) { MB_PTR_BACK(curr, cend); endcurr2 = (*mb_ptr2char)(cend); } } else { endcurr1 = *(curr + currsize - 1); if (currsize > 1) endcurr2 = *(curr + currsize - 2); } } line_breakcheck(); if (got_int) { ret = FAIL; goto theend; } } /* store the column position before last line */ col = sumsize - currsize - spaces[count - 1]; /* allocate the space for the new line */ newp = alloc(sumsize + 1); if (newp == NULL) { ret = FAIL; goto theend; } cend = newp + sumsize; *cend = 0; #ifdef FEAT_TEXT_PROP // We need to move properties of the lines that are going to be deleted to // the new long one. if (curbuf->b_has_textprop && !text_prop_frozen) { // Allocate an array to copy the text properties of joined lines into. // And another array to store the number of properties in each line. prop_lines = ALLOC_CLEAR_MULT(textprop_T *, count - 1); prop_lengths = ALLOC_CLEAR_MULT(int, count - 1); if (prop_lengths == NULL) VIM_CLEAR(prop_lines); } #endif /* * Move affected lines to the new long one. * This loops backwards over the joined lines, including the original line. * * Move marks from each deleted line to the joined line, adjusting the * column. This is not Vi compatible, but Vi deletes the marks, thus that * should not really be a problem. */ for (t = count - 1; ; --t) { int spaces_removed; cend -= currsize; mch_memmove(cend, curr, (size_t)currsize); if (spaces[t] > 0) { cend -= spaces[t]; vim_memset(cend, ' ', (size_t)(spaces[t])); } // If deleting more spaces than adding, the cursor moves no more than // what is added if it is inside these spaces. spaces_removed = (curr - curr_start) - spaces[t]; mark_col_adjust(curwin->w_cursor.lnum + t, (colnr_T)0, (linenr_T)-t, (long)(cend - newp - spaces_removed), spaces_removed); if (t == 0) break; #ifdef FEAT_TEXT_PROP if (prop_lines != NULL) adjust_props_for_join(curwin->w_cursor.lnum + t, prop_lines + t - 1, prop_lengths + t - 1, (long)(cend - newp - spaces_removed), spaces_removed); #endif curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t - 1)); #if defined(FEAT_COMMENTS) if (remove_comments) curr += comments[t - 1]; #endif if (insert_space && t > 1) curr = skipwhite(curr); currsize = (int)STRLEN(curr); } #ifdef FEAT_TEXT_PROP if (prop_lines != NULL) join_prop_lines(curwin->w_cursor.lnum, newp, prop_lines, prop_lengths, count); else #endif ml_replace(curwin->w_cursor.lnum, newp, FALSE); if (setmark) { /* Set the '] mark. */ curwin->w_buffer->b_op_end.lnum = curwin->w_cursor.lnum; curwin->w_buffer->b_op_end.col = (colnr_T)sumsize; } /* Only report the change in the first line here, del_lines() will report * the deleted line. */ changed_lines(curwin->w_cursor.lnum, currsize, curwin->w_cursor.lnum + 1, 0L); /* * Delete following lines. To do this we move the cursor there * briefly, and then move it back. After del_lines() the cursor may * have moved up (last line deleted), so the current lnum is kept in t. */ t = curwin->w_cursor.lnum; ++curwin->w_cursor.lnum; del_lines(count - 1, FALSE); curwin->w_cursor.lnum = t; /* * Set the cursor column: * Vi compatible: use the column of the first join * vim: use the column of the last join */ curwin->w_cursor.col = (vim_strchr(p_cpo, CPO_JOINCOL) != NULL ? currsize : col); check_cursor_col(); curwin->w_cursor.coladd = 0; curwin->w_set_curswant = TRUE; theend: vim_free(spaces); #if defined(FEAT_COMMENTS) || defined(PROTO) if (remove_comments) vim_free(comments); #endif return ret; } #ifdef FEAT_COMMENTS /* * Return TRUE if the two comment leaders given are the same. "lnum" is * the first line. White-space is ignored. Note that the whole of * 'leader1' must match 'leader2_len' characters from 'leader2' -- webb */ static int same_leader( linenr_T lnum, int leader1_len, char_u *leader1_flags, int leader2_len, char_u *leader2_flags) { int idx1 = 0, idx2 = 0; char_u *p; char_u *line1; char_u *line2; if (leader1_len == 0) return (leader2_len == 0); /* * If first leader has 'f' flag, the lines can be joined only if the * second line does not have a leader. * If first leader has 'e' flag, the lines can never be joined. * If fist leader has 's' flag, the lines can only be joined if there is * some text after it and the second line has the 'm' flag. */ if (leader1_flags != NULL) { for (p = leader1_flags; *p && *p != ':'; ++p) { if (*p == COM_FIRST) return (leader2_len == 0); if (*p == COM_END) return FALSE; if (*p == COM_START) { if (*(ml_get(lnum) + leader1_len) == NUL) return FALSE; if (leader2_flags == NULL || leader2_len == 0) return FALSE; for (p = leader2_flags; *p && *p != ':'; ++p) if (*p == COM_MIDDLE) return TRUE; return FALSE; } } } /* * Get current line and next line, compare the leaders. * The first line has to be saved, only one line can be locked at a time. */ line1 = vim_strsave(ml_get(lnum)); if (line1 != NULL) { for (idx1 = 0; VIM_ISWHITE(line1[idx1]); ++idx1) ; line2 = ml_get(lnum + 1); for (idx2 = 0; idx2 < leader2_len; ++idx2) { if (!VIM_ISWHITE(line2[idx2])) { if (line1[idx1++] != line2[idx2]) break; } else while (VIM_ISWHITE(line1[idx1])) ++idx1; } vim_free(line1); } return (idx2 == leader2_len && idx1 == leader1_len); } #endif /* * Implementation of the format operator 'gq'. */ void op_format( oparg_T *oap, int keep_cursor) /* keep cursor on same text char */ { long old_line_count = curbuf->b_ml.ml_line_count; /* Place the cursor where the "gq" or "gw" command was given, so that "u" * can put it back there. */ curwin->w_cursor = oap->cursor_start; if (u_save((linenr_T)(oap->start.lnum - 1), (linenr_T)(oap->end.lnum + 1)) == FAIL) return; curwin->w_cursor = oap->start; if (oap->is_VIsual) /* When there is no change: need to remove the Visual selection */ redraw_curbuf_later(INVERTED); /* Set '[ mark at the start of the formatted area */ curbuf->b_op_start = oap->start; /* For "gw" remember the cursor position and put it back below (adjusted * for joined and split lines). */ if (keep_cursor) saved_cursor = oap->cursor_start; format_lines(oap->line_count, keep_cursor); /* * Leave the cursor at the first non-blank of the last formatted line. * If the cursor was moved one line back (e.g. with "Q}") go to the next * line, so "." will do the next lines. */ if (oap->end_adjusted && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) ++curwin->w_cursor.lnum; beginline(BL_WHITE | BL_FIX); old_line_count = curbuf->b_ml.ml_line_count - old_line_count; msgmore(old_line_count); /* put '] mark on the end of the formatted area */ curbuf->b_op_end = curwin->w_cursor; if (keep_cursor) { curwin->w_cursor = saved_cursor; saved_cursor.lnum = 0; } if (oap->is_VIsual) { win_T *wp; FOR_ALL_WINDOWS(wp) { if (wp->w_old_cursor_lnum != 0) { /* When lines have been inserted or deleted, adjust the end of * the Visual area to be redrawn. */ if (wp->w_old_cursor_lnum > wp->w_old_visual_lnum) wp->w_old_cursor_lnum += old_line_count; else wp->w_old_visual_lnum += old_line_count; } } } } #if defined(FEAT_EVAL) || defined(PROTO) /* * Implementation of the format operator 'gq' for when using 'formatexpr'. */ void op_formatexpr(oparg_T *oap) { if (oap->is_VIsual) /* When there is no change: need to remove the Visual selection */ redraw_curbuf_later(INVERTED); if (fex_format(oap->start.lnum, oap->line_count, NUL) != 0) /* As documented: when 'formatexpr' returns non-zero fall back to * internal formatting. */ op_format(oap, FALSE); } int fex_format( linenr_T lnum, long count, int c) /* character to be inserted */ { int use_sandbox = was_set_insecurely((char_u *)"formatexpr", OPT_LOCAL); int r; char_u *fex; /* * Set v:lnum to the first line number and v:count to the number of lines. * Set v:char to the character to be inserted (can be NUL). */ set_vim_var_nr(VV_LNUM, lnum); set_vim_var_nr(VV_COUNT, count); set_vim_var_char(c); /* Make a copy, the option could be changed while calling it. */ fex = vim_strsave(curbuf->b_p_fex); if (fex == NULL) return 0; /* * Evaluate the function. */ if (use_sandbox) ++sandbox; r = (int)eval_to_number(fex); if (use_sandbox) --sandbox; set_vim_var_string(VV_CHAR, NULL, -1); vim_free(fex); return r; } #endif /* * Format "line_count" lines, starting at the cursor position. * When "line_count" is negative, format until the end of the paragraph. * Lines after the cursor line are saved for undo, caller must have saved the * first line. */ void format_lines( linenr_T line_count, int avoid_fex) /* don't use 'formatexpr' */ { int max_len; int is_not_par; /* current line not part of parag. */ int next_is_not_par; /* next line not part of paragraph */ int is_end_par; /* at end of paragraph */ int prev_is_end_par = FALSE;/* prev. line not part of parag. */ int next_is_start_par = FALSE; #ifdef FEAT_COMMENTS int leader_len = 0; /* leader len of current line */ int next_leader_len; /* leader len of next line */ char_u *leader_flags = NULL; /* flags for leader of current line */ char_u *next_leader_flags; /* flags for leader of next line */ int do_comments; /* format comments */ int do_comments_list = 0; /* format comments with 'n' or '2' */ #endif int advance = TRUE; int second_indent = -1; /* indent for second line (comment * aware) */ int do_second_indent; int do_number_indent; int do_trail_white; int first_par_line = TRUE; int smd_save; long count; int need_set_indent = TRUE; /* set indent of next paragraph */ int force_format = FALSE; int old_State = State; /* length of a line to force formatting: 3 * 'tw' */ max_len = comp_textwidth(TRUE) * 3; /* check for 'q', '2' and '1' in 'formatoptions' */ #ifdef FEAT_COMMENTS do_comments = has_format_option(FO_Q_COMS); #endif do_second_indent = has_format_option(FO_Q_SECOND); do_number_indent = has_format_option(FO_Q_NUMBER); do_trail_white = has_format_option(FO_WHITE_PAR); /* * Get info about the previous and current line. */ if (curwin->w_cursor.lnum > 1) is_not_par = fmt_check_par(curwin->w_cursor.lnum - 1 #ifdef FEAT_COMMENTS , &leader_len, &leader_flags, do_comments #endif ); else is_not_par = TRUE; next_is_not_par = fmt_check_par(curwin->w_cursor.lnum #ifdef FEAT_COMMENTS , &next_leader_len, &next_leader_flags, do_comments #endif ); is_end_par = (is_not_par || next_is_not_par); if (!is_end_par && do_trail_white) is_end_par = !ends_in_white(curwin->w_cursor.lnum - 1); curwin->w_cursor.lnum--; for (count = line_count; count != 0 && !got_int; --count) { /* * Advance to next paragraph. */ if (advance) { curwin->w_cursor.lnum++; prev_is_end_par = is_end_par; is_not_par = next_is_not_par; #ifdef FEAT_COMMENTS leader_len = next_leader_len; leader_flags = next_leader_flags; #endif } /* * The last line to be formatted. */ if (count == 1 || curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) { next_is_not_par = TRUE; #ifdef FEAT_COMMENTS next_leader_len = 0; next_leader_flags = NULL; #endif } else { next_is_not_par = fmt_check_par(curwin->w_cursor.lnum + 1 #ifdef FEAT_COMMENTS , &next_leader_len, &next_leader_flags, do_comments #endif ); if (do_number_indent) next_is_start_par = (get_number_indent(curwin->w_cursor.lnum + 1) > 0); } advance = TRUE; is_end_par = (is_not_par || next_is_not_par || next_is_start_par); if (!is_end_par && do_trail_white) is_end_par = !ends_in_white(curwin->w_cursor.lnum); /* * Skip lines that are not in a paragraph. */ if (is_not_par) { if (line_count < 0) break; } else { /* * For the first line of a paragraph, check indent of second line. * Don't do this for comments and empty lines. */ if (first_par_line && (do_second_indent || do_number_indent) && prev_is_end_par && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) { if (do_second_indent && !LINEEMPTY(curwin->w_cursor.lnum + 1)) { #ifdef FEAT_COMMENTS if (leader_len == 0 && next_leader_len == 0) { /* no comment found */ #endif second_indent = get_indent_lnum(curwin->w_cursor.lnum + 1); #ifdef FEAT_COMMENTS } else { second_indent = next_leader_len; do_comments_list = 1; } #endif } else if (do_number_indent) { #ifdef FEAT_COMMENTS if (leader_len == 0 && next_leader_len == 0) { /* no comment found */ #endif second_indent = get_number_indent(curwin->w_cursor.lnum); #ifdef FEAT_COMMENTS } else { /* get_number_indent() is now "comment aware"... */ second_indent = get_number_indent(curwin->w_cursor.lnum); do_comments_list = 1; } #endif } } /* * When the comment leader changes, it's the end of the paragraph. */ if (curwin->w_cursor.lnum >= curbuf->b_ml.ml_line_count #ifdef FEAT_COMMENTS || !same_leader(curwin->w_cursor.lnum, leader_len, leader_flags, next_leader_len, next_leader_flags) #endif ) is_end_par = TRUE; /* * If we have got to the end of a paragraph, or the line is * getting long, format it. */ if (is_end_par || force_format) { if (need_set_indent) /* replace indent in first line with minimal number of * tabs and spaces, according to current options */ (void)set_indent(get_indent(), SIN_CHANGED); /* put cursor on last non-space */ State = NORMAL; /* don't go past end-of-line */ coladvance((colnr_T)MAXCOL); while (curwin->w_cursor.col && vim_isspace(gchar_cursor())) dec_cursor(); /* do the formatting, without 'showmode' */ State = INSERT; /* for open_line() */ smd_save = p_smd; p_smd = FALSE; insertchar(NUL, INSCHAR_FORMAT #ifdef FEAT_COMMENTS + (do_comments ? INSCHAR_DO_COM : 0) + (do_comments && do_comments_list ? INSCHAR_COM_LIST : 0) #endif + (avoid_fex ? INSCHAR_NO_FEX : 0), second_indent); State = old_State; p_smd = smd_save; second_indent = -1; /* at end of par.: need to set indent of next par. */ need_set_indent = is_end_par; if (is_end_par) { /* When called with a negative line count, break at the * end of the paragraph. */ if (line_count < 0) break; first_par_line = TRUE; } force_format = FALSE; } /* * When still in same paragraph, join the lines together. But * first delete the leader from the second line. */ if (!is_end_par) { advance = FALSE; curwin->w_cursor.lnum++; curwin->w_cursor.col = 0; if (line_count < 0 && u_save_cursor() == FAIL) break; #ifdef FEAT_COMMENTS if (next_leader_len > 0) { (void)del_bytes((long)next_leader_len, FALSE, FALSE); mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L, (long)-next_leader_len, 0); } else #endif if (second_indent > 0) /* the "leader" for FO_Q_SECOND */ { int indent = getwhitecols_curline(); if (indent > 0) { (void)del_bytes(indent, FALSE, FALSE); mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L, (long)-indent, 0); } } curwin->w_cursor.lnum--; if (do_join(2, TRUE, FALSE, FALSE, FALSE) == FAIL) { beep_flush(); break; } first_par_line = FALSE; /* If the line is getting long, format it next time */ if (STRLEN(ml_get_curline()) > (size_t)max_len) force_format = TRUE; else force_format = FALSE; } } line_breakcheck(); } } /* * Return TRUE if line "lnum" ends in a white character. */ static int ends_in_white(linenr_T lnum) { char_u *s = ml_get(lnum); size_t l; if (*s == NUL) return FALSE; /* Don't use STRLEN() inside VIM_ISWHITE(), SAS/C complains: "macro * invocation may call function multiple times". */ l = STRLEN(s) - 1; return VIM_ISWHITE(s[l]); } /* * Blank lines, and lines containing only the comment leader, are left * untouched by the formatting. The function returns TRUE in this * case. It also returns TRUE when a line starts with the end of a comment * ('e' in comment flags), so that this line is skipped, and not joined to the * previous line. A new paragraph starts after a blank line, or when the * comment leader changes -- webb. */ #ifdef FEAT_COMMENTS static int fmt_check_par( linenr_T lnum, int *leader_len, char_u **leader_flags, int do_comments) { char_u *flags = NULL; /* init for GCC */ char_u *ptr; ptr = ml_get(lnum); if (do_comments) *leader_len = get_leader_len(ptr, leader_flags, FALSE, TRUE); else *leader_len = 0; if (*leader_len > 0) { /* * Search for 'e' flag in comment leader flags. */ flags = *leader_flags; while (*flags && *flags != ':' && *flags != COM_END) ++flags; } return (*skipwhite(ptr + *leader_len) == NUL || (*leader_len > 0 && *flags == COM_END) || startPS(lnum, NUL, FALSE)); } #else static int fmt_check_par(linenr_T lnum) { return (*skipwhite(ml_get(lnum)) == NUL || startPS(lnum, NUL, FALSE)); } #endif /* * Return TRUE when a paragraph starts in line "lnum". Return FALSE when the * previous line is in the same paragraph. Used for auto-formatting. */ int paragraph_start(linenr_T lnum) { char_u *p; #ifdef FEAT_COMMENTS int leader_len = 0; /* leader len of current line */ char_u *leader_flags = NULL; /* flags for leader of current line */ int next_leader_len; /* leader len of next line */ char_u *next_leader_flags; /* flags for leader of next line */ int do_comments; /* format comments */ #endif if (lnum <= 1) return TRUE; /* start of the file */ p = ml_get(lnum - 1); if (*p == NUL) return TRUE; /* after empty line */ #ifdef FEAT_COMMENTS do_comments = has_format_option(FO_Q_COMS); #endif if (fmt_check_par(lnum - 1 #ifdef FEAT_COMMENTS , &leader_len, &leader_flags, do_comments #endif )) return TRUE; /* after non-paragraph line */ if (fmt_check_par(lnum #ifdef FEAT_COMMENTS , &next_leader_len, &next_leader_flags, do_comments #endif )) return TRUE; /* "lnum" is not a paragraph line */ if (has_format_option(FO_WHITE_PAR) && !ends_in_white(lnum - 1)) return TRUE; /* missing trailing space in previous line. */ if (has_format_option(FO_Q_NUMBER) && (get_number_indent(lnum) > 0)) return TRUE; /* numbered item starts in "lnum". */ #ifdef FEAT_COMMENTS if (!same_leader(lnum - 1, leader_len, leader_flags, next_leader_len, next_leader_flags)) return TRUE; /* change of comment leader. */ #endif return FALSE; } /* * prepare a few things for block mode yank/delete/tilde * * for delete: * - textlen includes the first/last char to be (partly) deleted * - start/endspaces is the number of columns that are taken by the * first/last deleted char minus the number of columns that have to be * deleted. * for yank and tilde: * - textlen includes the first/last char to be wholly yanked * - start/endspaces is the number of columns of the first/last yanked char * that are to be yanked. */ static void block_prep( oparg_T *oap, struct block_def *bdp, linenr_T lnum, int is_del) { int incr = 0; char_u *pend; char_u *pstart; char_u *line; char_u *prev_pstart; char_u *prev_pend; bdp->startspaces = 0; bdp->endspaces = 0; bdp->textlen = 0; bdp->start_vcol = 0; bdp->end_vcol = 0; bdp->is_short = FALSE; bdp->is_oneChar = FALSE; bdp->pre_whitesp = 0; bdp->pre_whitesp_c = 0; bdp->end_char_vcols = 0; bdp->start_char_vcols = 0; line = ml_get(lnum); pstart = line; prev_pstart = line; while (bdp->start_vcol < oap->start_vcol && *pstart) { /* Count a tab for what it's worth (if list mode not on) */ incr = lbr_chartabsize(line, pstart, (colnr_T)bdp->start_vcol); bdp->start_vcol += incr; if (VIM_ISWHITE(*pstart)) { bdp->pre_whitesp += incr; bdp->pre_whitesp_c++; } else { bdp->pre_whitesp = 0; bdp->pre_whitesp_c = 0; } prev_pstart = pstart; MB_PTR_ADV(pstart); } bdp->start_char_vcols = incr; if (bdp->start_vcol < oap->start_vcol) /* line too short */ { bdp->end_vcol = bdp->start_vcol; bdp->is_short = TRUE; if (!is_del || oap->op_type == OP_APPEND) bdp->endspaces = oap->end_vcol - oap->start_vcol + 1; } else { /* notice: this converts partly selected Multibyte characters to * spaces, too. */ bdp->startspaces = bdp->start_vcol - oap->start_vcol; if (is_del && bdp->startspaces) bdp->startspaces = bdp->start_char_vcols - bdp->startspaces; pend = pstart; bdp->end_vcol = bdp->start_vcol; if (bdp->end_vcol > oap->end_vcol) /* it's all in one character */ { bdp->is_oneChar = TRUE; if (oap->op_type == OP_INSERT) bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; else if (oap->op_type == OP_APPEND) { bdp->startspaces += oap->end_vcol - oap->start_vcol + 1; bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; } else { bdp->startspaces = oap->end_vcol - oap->start_vcol + 1; if (is_del && oap->op_type != OP_LSHIFT) { /* just putting the sum of those two into * bdp->startspaces doesn't work for Visual replace, * so we have to split the tab in two */ bdp->startspaces = bdp->start_char_vcols - (bdp->start_vcol - oap->start_vcol); bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; } } } else { prev_pend = pend; while (bdp->end_vcol <= oap->end_vcol && *pend != NUL) { /* Count a tab for what it's worth (if list mode not on) */ prev_pend = pend; incr = lbr_chartabsize_adv(line, &pend, (colnr_T)bdp->end_vcol); bdp->end_vcol += incr; } if (bdp->end_vcol <= oap->end_vcol && (!is_del || oap->op_type == OP_APPEND || oap->op_type == OP_REPLACE)) /* line too short */ { bdp->is_short = TRUE; /* Alternative: include spaces to fill up the block. * Disadvantage: can lead to trailing spaces when the line is * short where the text is put */ /* if (!is_del || oap->op_type == OP_APPEND) */ if (oap->op_type == OP_APPEND || virtual_op) bdp->endspaces = oap->end_vcol - bdp->end_vcol + oap->inclusive; else bdp->endspaces = 0; /* replace doesn't add characters */ } else if (bdp->end_vcol > oap->end_vcol) { bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; if (!is_del && bdp->endspaces) { bdp->endspaces = incr - bdp->endspaces; if (pend != pstart) pend = prev_pend; } } } bdp->end_char_vcols = incr; if (is_del && bdp->startspaces) pstart = prev_pstart; bdp->textlen = (int)(pend - pstart); } bdp->textcol = (colnr_T) (pstart - line); bdp->textstart = pstart; } /* * Handle the add/subtract operator. */ void op_addsub( oparg_T *oap, linenr_T Prenum1, /* Amount of add/subtract */ int g_cmd) /* was g<c-a>/g<c-x> */ { pos_T pos; struct block_def bd; int change_cnt = 0; linenr_T amount = Prenum1; // do_addsub() might trigger re-evaluation of 'foldexpr' halfway, when the // buffer is not completely updated yet. Postpone updating folds until before // the call to changed_lines(). #ifdef FEAT_FOLDING disable_fold_update++; #endif if (!VIsual_active) { pos = curwin->w_cursor; if (u_save_cursor() == FAIL) { #ifdef FEAT_FOLDING disable_fold_update--; #endif return; } change_cnt = do_addsub(oap->op_type, &pos, 0, amount); #ifdef FEAT_FOLDING disable_fold_update--; #endif if (change_cnt) changed_lines(pos.lnum, 0, pos.lnum + 1, 0L); } else { int one_change; int length; pos_T startpos; if (u_save((linenr_T)(oap->start.lnum - 1), (linenr_T)(oap->end.lnum + 1)) == FAIL) { #ifdef FEAT_FOLDING disable_fold_update--; #endif return; } pos = oap->start; for (; pos.lnum <= oap->end.lnum; ++pos.lnum) { if (oap->block_mode) /* Visual block mode */ { block_prep(oap, &bd, pos.lnum, FALSE); pos.col = bd.textcol; length = bd.textlen; } else if (oap->motion_type == MLINE) { curwin->w_cursor.col = 0; pos.col = 0; length = (colnr_T)STRLEN(ml_get(pos.lnum)); } else /* oap->motion_type == MCHAR */ { if (pos.lnum == oap->start.lnum && !oap->inclusive) dec(&(oap->end)); length = (colnr_T)STRLEN(ml_get(pos.lnum)); pos.col = 0; if (pos.lnum == oap->start.lnum) { pos.col += oap->start.col; length -= oap->start.col; } if (pos.lnum == oap->end.lnum) { length = (int)STRLEN(ml_get(oap->end.lnum)); if (oap->end.col >= length) oap->end.col = length - 1; length = oap->end.col - pos.col + 1; } } one_change = do_addsub(oap->op_type, &pos, length, amount); if (one_change) { /* Remember the start position of the first change. */ if (change_cnt == 0) startpos = curbuf->b_op_start; ++change_cnt; } #ifdef FEAT_NETBEANS_INTG if (netbeans_active() && one_change) { char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE); netbeans_removed(curbuf, pos.lnum, pos.col, (long)length); netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], length); } #endif if (g_cmd && one_change) amount += Prenum1; } #ifdef FEAT_FOLDING disable_fold_update--; #endif if (change_cnt) changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); if (!change_cnt && oap->is_VIsual) /* No change: need to remove the Visual selection */ redraw_curbuf_later(INVERTED); /* Set '[ mark if something changed. Keep the last end * position from do_addsub(). */ if (change_cnt > 0) curbuf->b_op_start = startpos; if (change_cnt > p_report) smsg(NGETTEXT("%ld line changed", "%ld lines changed", change_cnt), change_cnt); } } /* * Add or subtract 'Prenum1' from a number in a line * op_type is OP_NR_ADD or OP_NR_SUB * * Returns TRUE if some character was changed. */ static int do_addsub( int op_type, pos_T *pos, int length, linenr_T Prenum1) { int col; char_u *buf1; char_u buf2[NUMBUFLEN]; int pre; /* 'X'/'x': hex; '0': octal; 'B'/'b': bin */ static int hexupper = FALSE; /* 0xABC */ uvarnumber_T n; uvarnumber_T oldn; char_u *ptr; int c; int todel; int dohex; int dooct; int dobin; int doalp; int firstdigit; int subtract; int negative = FALSE; int was_positive = TRUE; int visual = VIsual_active; int did_change = FALSE; pos_T save_cursor = curwin->w_cursor; int maxlen = 0; pos_T startpos; pos_T endpos; dohex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); /* "heX" */ dooct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); /* "Octal" */ dobin = (vim_strchr(curbuf->b_p_nf, 'b') != NULL); /* "Bin" */ doalp = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); /* "alPha" */ curwin->w_cursor = *pos; ptr = ml_get(pos->lnum); col = pos->col; if (*ptr == NUL) goto theend; /* * First check if we are on a hexadecimal number, after the "0x". */ if (!VIsual_active) { if (dobin) while (col > 0 && vim_isbdigit(ptr[col])) { --col; if (has_mbyte) col -= (*mb_head_off)(ptr, ptr + col); } if (dohex) while (col > 0 && vim_isxdigit(ptr[col])) { --col; if (has_mbyte) col -= (*mb_head_off)(ptr, ptr + col); } if ( dobin && dohex && ! ((col > 0 && (ptr[col] == 'X' || ptr[col] == 'x') && ptr[col - 1] == '0' && (!has_mbyte || !(*mb_head_off)(ptr, ptr + col - 1)) && vim_isxdigit(ptr[col + 1])))) { /* In case of binary/hexadecimal pattern overlap match, rescan */ col = pos->col; while (col > 0 && vim_isdigit(ptr[col])) { col--; if (has_mbyte) col -= (*mb_head_off)(ptr, ptr + col); } } if (( dohex && col > 0 && (ptr[col] == 'X' || ptr[col] == 'x') && ptr[col - 1] == '0' && (!has_mbyte || !(*mb_head_off)(ptr, ptr + col - 1)) && vim_isxdigit(ptr[col + 1])) || ( dobin && col > 0 && (ptr[col] == 'B' || ptr[col] == 'b') && ptr[col - 1] == '0' && (!has_mbyte || !(*mb_head_off)(ptr, ptr + col - 1)) && vim_isbdigit(ptr[col + 1]))) { /* Found hexadecimal or binary number, move to its start. */ --col; if (has_mbyte) col -= (*mb_head_off)(ptr, ptr + col); } else { /* * Search forward and then backward to find the start of number. */ col = pos->col; while (ptr[col] != NUL && !vim_isdigit(ptr[col]) && !(doalp && ASCII_ISALPHA(ptr[col]))) col += MB_PTR2LEN(ptr + col); while (col > 0 && vim_isdigit(ptr[col - 1]) && !(doalp && ASCII_ISALPHA(ptr[col]))) { --col; if (has_mbyte) col -= (*mb_head_off)(ptr, ptr + col); } } } if (visual) { while (ptr[col] != NUL && length > 0 && !vim_isdigit(ptr[col]) && !(doalp && ASCII_ISALPHA(ptr[col]))) { int mb_len = MB_PTR2LEN(ptr + col); col += mb_len; length -= mb_len; } if (length == 0) goto theend; if (col > pos->col && ptr[col - 1] == '-' && (!has_mbyte || !(*mb_head_off)(ptr, ptr + col - 1))) { negative = TRUE; was_positive = FALSE; } } /* * If a number was found, and saving for undo works, replace the number. */ firstdigit = ptr[col]; if (!VIM_ISDIGIT(firstdigit) && !(doalp && ASCII_ISALPHA(firstdigit))) { beep_flush(); goto theend; } if (doalp && ASCII_ISALPHA(firstdigit)) { /* decrement or increment alphabetic character */ if (op_type == OP_NR_SUB) { if (CharOrd(firstdigit) < Prenum1) { if (isupper(firstdigit)) firstdigit = 'A'; else firstdigit = 'a'; } else #ifdef EBCDIC firstdigit = EBCDIC_CHAR_ADD(firstdigit, -Prenum1); #else firstdigit -= Prenum1; #endif } else { if (26 - CharOrd(firstdigit) - 1 < Prenum1) { if (isupper(firstdigit)) firstdigit = 'Z'; else firstdigit = 'z'; } else #ifdef EBCDIC firstdigit = EBCDIC_CHAR_ADD(firstdigit, Prenum1); #else firstdigit += Prenum1; #endif } curwin->w_cursor.col = col; if (!did_change) startpos = curwin->w_cursor; did_change = TRUE; (void)del_char(FALSE); ins_char(firstdigit); endpos = curwin->w_cursor; curwin->w_cursor.col = col; } else { if (col > 0 && ptr[col - 1] == '-' && (!has_mbyte || !(*mb_head_off)(ptr, ptr + col - 1)) && !visual) { /* negative number */ --col; negative = TRUE; } /* get the number value (unsigned) */ if (visual && VIsual_mode != 'V') maxlen = (curbuf->b_visual.vi_curswant == MAXCOL ? (int)STRLEN(ptr) - col : length); vim_str2nr(ptr + col, &pre, &length, 0 + (dobin ? STR2NR_BIN : 0) + (dooct ? STR2NR_OCT : 0) + (dohex ? STR2NR_HEX : 0), NULL, &n, maxlen, FALSE); /* ignore leading '-' for hex and octal and bin numbers */ if (pre && negative) { ++col; --length; negative = FALSE; } /* add or subtract */ subtract = FALSE; if (op_type == OP_NR_SUB) subtract ^= TRUE; if (negative) subtract ^= TRUE; oldn = n; if (subtract) n -= (uvarnumber_T)Prenum1; else n += (uvarnumber_T)Prenum1; /* handle wraparound for decimal numbers */ if (!pre) { if (subtract) { if (n > oldn) { n = 1 + (n ^ (uvarnumber_T)-1); negative ^= TRUE; } } else { /* add */ if (n < oldn) { n = (n ^ (uvarnumber_T)-1); negative ^= TRUE; } } if (n == 0) negative = FALSE; } if (visual && !was_positive && !negative && col > 0) { /* need to remove the '-' */ col--; length++; } /* * Delete the old number. */ curwin->w_cursor.col = col; if (!did_change) startpos = curwin->w_cursor; did_change = TRUE; todel = length; c = gchar_cursor(); /* * Don't include the '-' in the length, only the length of the * part after it is kept the same. */ if (c == '-') --length; while (todel-- > 0) { if (c < 0x100 && isalpha(c)) { if (isupper(c)) hexupper = TRUE; else hexupper = FALSE; } /* del_char() will mark line needing displaying */ (void)del_char(FALSE); c = gchar_cursor(); } /* * Prepare the leading characters in buf1[]. * When there are many leading zeros it could be very long. * Allocate a bit too much. */ buf1 = alloc(length + NUMBUFLEN); if (buf1 == NULL) goto theend; ptr = buf1; if (negative && (!visual || was_positive)) *ptr++ = '-'; if (pre) { *ptr++ = '0'; --length; } if (pre == 'b' || pre == 'B' || pre == 'x' || pre == 'X') { *ptr++ = pre; --length; } /* * Put the number characters in buf2[]. */ if (pre == 'b' || pre == 'B') { int i; int bit = 0; int bits = sizeof(uvarnumber_T) * 8; /* leading zeros */ for (bit = bits; bit > 0; bit--) if ((n >> (bit - 1)) & 0x1) break; for (i = 0; bit > 0; bit--) buf2[i++] = ((n >> (bit - 1)) & 0x1) ? '1' : '0'; buf2[i] = '\0'; } else if (pre == 0) vim_snprintf((char *)buf2, NUMBUFLEN, "%llu", (long_long_u_T)n); else if (pre == '0') vim_snprintf((char *)buf2, NUMBUFLEN, "%llo", (long_long_u_T)n); else if (pre && hexupper) vim_snprintf((char *)buf2, NUMBUFLEN, "%llX", (long_long_u_T)n); else vim_snprintf((char *)buf2, NUMBUFLEN, "%llx", (long_long_u_T)n); length -= (int)STRLEN(buf2); /* * Adjust number of zeros to the new number of digits, so the * total length of the number remains the same. * Don't do this when * the result may look like an octal number. */ if (firstdigit == '0' && !(dooct && pre == 0)) while (length-- > 0) *ptr++ = '0'; *ptr = NUL; STRCAT(buf1, buf2); ins_str(buf1); /* insert the new number */ vim_free(buf1); endpos = curwin->w_cursor; if (did_change && curwin->w_cursor.col) --curwin->w_cursor.col; } if (did_change) { /* set the '[ and '] marks */ curbuf->b_op_start = startpos; curbuf->b_op_end = endpos; if (curbuf->b_op_end.col > 0) --curbuf->b_op_end.col; } theend: if (visual) curwin->w_cursor = save_cursor; else if (did_change) curwin->w_set_curswant = TRUE; return did_change; } #if defined(FEAT_CLIPBOARD) || defined(PROTO) /* * SELECTION / PRIMARY ('*') * * Text selection stuff that uses the GUI selection register '*'. When using a * GUI this may be text from another window, otherwise it is the last text we * had highlighted with VIsual mode. With mouse support, clicking the middle * button performs the paste, otherwise you will need to do <"*p>. " * If not under X, it is synonymous with the clipboard register '+'. * * X CLIPBOARD ('+') * * Text selection stuff that uses the GUI clipboard register '+'. * Under X, this matches the standard cut/paste buffer CLIPBOARD selection. * It will be used for unnamed cut/pasting is 'clipboard' contains "unnamed", * otherwise you will need to do <"+p>. " * If not under X, it is synonymous with the selection register '*'. */ /* * Routine to export any final X selection we had to the environment * so that the text is still available after Vim has exited. X selections * only exist while the owning application exists, so we write to the * permanent (while X runs) store CUT_BUFFER0. * Dump the CLIPBOARD selection if we own it (it's logically the more * 'permanent' of the two), otherwise the PRIMARY one. * For now, use a hard-coded sanity limit of 1Mb of data. */ #if (defined(FEAT_X11) && defined(FEAT_CLIPBOARD)) || defined(PROTO) void x11_export_final_selection(void) { Display *dpy; char_u *str = NULL; long_u len = 0; int motion_type = -1; # ifdef FEAT_GUI if (gui.in_use) dpy = X_DISPLAY; else # endif # ifdef FEAT_XCLIPBOARD dpy = xterm_dpy; # else return; # endif /* Get selection to export */ if (clip_plus.owned) motion_type = clip_convert_selection(&str, &len, &clip_plus); else if (clip_star.owned) motion_type = clip_convert_selection(&str, &len, &clip_star); /* Check it's OK */ if (dpy != NULL && str != NULL && motion_type >= 0 && len < 1024*1024 && len > 0) { int ok = TRUE; /* The CUT_BUFFER0 is supposed to always contain latin1. Convert from * 'enc' when it is a multi-byte encoding. When 'enc' is an 8-bit * encoding conversion usually doesn't work, so keep the text as-is. */ if (has_mbyte) { vimconv_T vc; vc.vc_type = CONV_NONE; if (convert_setup(&vc, p_enc, (char_u *)"latin1") == OK) { int intlen = len; char_u *conv_str; vc.vc_fail = TRUE; conv_str = string_convert(&vc, str, &intlen); len = intlen; if (conv_str != NULL) { vim_free(str); str = conv_str; } else { ok = FALSE; } convert_setup(&vc, NULL, NULL); } else { ok = FALSE; } } /* Do not store the string if conversion failed. Better to use any * other selection than garbled text. */ if (ok) { XStoreBuffer(dpy, (char *)str, (int)len, 0); XFlush(dpy); } } vim_free(str); } #endif void clip_free_selection(Clipboard_T *cbd) { yankreg_T *y_ptr = y_current; if (cbd == &clip_plus) y_current = &y_regs[PLUS_REGISTER]; else y_current = &y_regs[STAR_REGISTER]; free_yank_all(); y_current->y_size = 0; y_current = y_ptr; } /* * Get the selected text and put it in register '*' or '+'. */ void clip_get_selection(Clipboard_T *cbd) { yankreg_T *old_y_previous, *old_y_current; pos_T old_cursor; pos_T old_visual; int old_visual_mode; colnr_T old_curswant; int old_set_curswant; pos_T old_op_start, old_op_end; oparg_T oa; cmdarg_T ca; if (cbd->owned) { if ((cbd == &clip_plus && y_regs[PLUS_REGISTER].y_array != NULL) || (cbd == &clip_star && y_regs[STAR_REGISTER].y_array != NULL)) return; /* Get the text between clip_star.start & clip_star.end */ old_y_previous = y_previous; old_y_current = y_current; old_cursor = curwin->w_cursor; old_curswant = curwin->w_curswant; old_set_curswant = curwin->w_set_curswant; old_op_start = curbuf->b_op_start; old_op_end = curbuf->b_op_end; old_visual = VIsual; old_visual_mode = VIsual_mode; clear_oparg(&oa); oa.regname = (cbd == &clip_plus ? '+' : '*'); oa.op_type = OP_YANK; vim_memset(&ca, 0, sizeof(ca)); ca.oap = &oa; ca.cmdchar = 'y'; ca.count1 = 1; ca.retval = CA_NO_ADJ_OP_END; do_pending_operator(&ca, 0, TRUE); y_previous = old_y_previous; y_current = old_y_current; curwin->w_cursor = old_cursor; changed_cline_bef_curs(); /* need to update w_virtcol et al */ curwin->w_curswant = old_curswant; curwin->w_set_curswant = old_set_curswant; curbuf->b_op_start = old_op_start; curbuf->b_op_end = old_op_end; VIsual = old_visual; VIsual_mode = old_visual_mode; } else if (!is_clipboard_needs_update()) { clip_free_selection(cbd); /* Try to get selected text from another window */ clip_gen_request_selection(cbd); } } /* * Convert from the GUI selection string into the '*'/'+' register. */ void clip_yank_selection( int type, char_u *str, long len, Clipboard_T *cbd) { yankreg_T *y_ptr; if (cbd == &clip_plus) y_ptr = &y_regs[PLUS_REGISTER]; else y_ptr = &y_regs[STAR_REGISTER]; clip_free_selection(cbd); str_to_reg(y_ptr, type, str, len, 0L, FALSE); } /* * Convert the '*'/'+' register into a GUI selection string returned in *str * with length *len. * Returns the motion type, or -1 for failure. */ int clip_convert_selection(char_u **str, long_u *len, Clipboard_T *cbd) { char_u *p; int lnum; int i, j; int_u eolsize; yankreg_T *y_ptr; if (cbd == &clip_plus) y_ptr = &y_regs[PLUS_REGISTER]; else y_ptr = &y_regs[STAR_REGISTER]; #ifdef USE_CRNL eolsize = 2; #else eolsize = 1; #endif *str = NULL; *len = 0; if (y_ptr->y_array == NULL) return -1; for (i = 0; i < y_ptr->y_size; i++) *len += (long_u)STRLEN(y_ptr->y_array[i]) + eolsize; /* * Don't want newline character at end of last line if we're in MCHAR mode. */ if (y_ptr->y_type == MCHAR && *len >= eolsize) *len -= eolsize; p = *str = alloc(*len + 1); // add one to avoid zero if (p == NULL) return -1; lnum = 0; for (i = 0, j = 0; i < (int)*len; i++, j++) { if (y_ptr->y_array[lnum][j] == '\n') p[i] = NUL; else if (y_ptr->y_array[lnum][j] == NUL) { #ifdef USE_CRNL p[i++] = '\r'; #endif p[i] = '\n'; lnum++; j = -1; } else p[i] = y_ptr->y_array[lnum][j]; } return y_ptr->y_type; } /* * If we have written to a clipboard register, send the text to the clipboard. */ static void may_set_selection(void) { if (y_current == &(y_regs[STAR_REGISTER]) && clip_star.available) { clip_own_selection(&clip_star); clip_gen_set_selection(&clip_star); } else if (y_current == &(y_regs[PLUS_REGISTER]) && clip_plus.available) { clip_own_selection(&clip_plus); clip_gen_set_selection(&clip_plus); } } #endif /* FEAT_CLIPBOARD || PROTO */ #if defined(FEAT_DND) || defined(PROTO) /* * Replace the contents of the '~' register with str. */ void dnd_yank_drag_data(char_u *str, long len) { yankreg_T *curr; curr = y_current; y_current = &y_regs[TILDE_REGISTER]; free_yank_all(); str_to_reg(y_current, MCHAR, str, len, 0L, FALSE); y_current = curr; } #endif #if defined(FEAT_EVAL) || defined(PROTO) /* * Return the type of a register. * Used for getregtype() * Returns MAUTO for error. */ char_u get_reg_type(int regname, long *reglen) { switch (regname) { case '%': /* file name */ case '#': /* alternate file name */ case '=': /* expression */ case ':': /* last command line */ case '/': /* last search-pattern */ case '.': /* last inserted text */ #ifdef FEAT_SEARCHPATH case Ctrl_F: /* Filename under cursor */ case Ctrl_P: /* Path under cursor, expand via "path" */ #endif case Ctrl_W: /* word under cursor */ case Ctrl_A: /* WORD (mnemonic All) under cursor */ case '_': /* black hole: always empty */ return MCHAR; } #ifdef FEAT_CLIPBOARD regname = may_get_selection(regname); #endif if (regname != NUL && !valid_yank_reg(regname, FALSE)) return MAUTO; get_yank_register(regname, FALSE); if (y_current->y_array != NULL) { if (reglen != NULL && y_current->y_type == MBLOCK) *reglen = y_current->y_width; return y_current->y_type; } return MAUTO; } /* * When "flags" has GREG_LIST return a list with text "s". * Otherwise just return "s". */ static char_u * getreg_wrap_one_line(char_u *s, int flags) { if (flags & GREG_LIST) { list_T *list = list_alloc(); if (list != NULL) { if (list_append_string(list, NULL, -1) == FAIL) { list_free(list); return NULL; } list->lv_first->li_tv.vval.v_string = s; } return (char_u *)list; } return s; } /* * Return the contents of a register as a single allocated string. * Used for "@r" in expressions and for getreg(). * Returns NULL for error. * Flags: * GREG_NO_EXPR Do not allow expression register * GREG_EXPR_SRC For the expression register: return expression itself, * not the result of its evaluation. * GREG_LIST Return a list of lines in place of a single string. */ char_u * get_reg_contents(int regname, int flags) { long i; char_u *retval; int allocated; long len; /* Don't allow using an expression register inside an expression */ if (regname == '=') { if (flags & GREG_NO_EXPR) return NULL; if (flags & GREG_EXPR_SRC) return getreg_wrap_one_line(get_expr_line_src(), flags); return getreg_wrap_one_line(get_expr_line(), flags); } if (regname == '@') /* "@@" is used for unnamed register */ regname = '"'; /* check for valid regname */ if (regname != NUL && !valid_yank_reg(regname, FALSE)) return NULL; #ifdef FEAT_CLIPBOARD regname = may_get_selection(regname); #endif if (get_spec_reg(regname, &retval, &allocated, FALSE)) { if (retval == NULL) return NULL; if (allocated) return getreg_wrap_one_line(retval, flags); return getreg_wrap_one_line(vim_strsave(retval), flags); } get_yank_register(regname, FALSE); if (y_current->y_array == NULL) return NULL; if (flags & GREG_LIST) { list_T *list = list_alloc(); int error = FALSE; if (list == NULL) return NULL; for (i = 0; i < y_current->y_size; ++i) if (list_append_string(list, y_current->y_array[i], -1) == FAIL) error = TRUE; if (error) { list_free(list); return NULL; } return (char_u *)list; } /* * Compute length of resulting string. */ len = 0; for (i = 0; i < y_current->y_size; ++i) { len += (long)STRLEN(y_current->y_array[i]); /* * Insert a newline between lines and after last line if * y_type is MLINE. */ if (y_current->y_type == MLINE || i < y_current->y_size - 1) ++len; } retval = alloc(len + 1); /* * Copy the lines of the yank register into the string. */ if (retval != NULL) { len = 0; for (i = 0; i < y_current->y_size; ++i) { STRCPY(retval + len, y_current->y_array[i]); len += (long)STRLEN(retval + len); /* * Insert a NL between lines and after the last line if y_type is * MLINE. */ if (y_current->y_type == MLINE || i < y_current->y_size - 1) retval[len++] = '\n'; } retval[len] = NUL; } return retval; } static int init_write_reg( int name, yankreg_T **old_y_previous, yankreg_T **old_y_current, int must_append, int *yank_type UNUSED) { if (!valid_yank_reg(name, TRUE)) /* check for valid reg name */ { emsg_invreg(name); return FAIL; } /* Don't want to change the current (unnamed) register */ *old_y_previous = y_previous; *old_y_current = y_current; get_yank_register(name, TRUE); if (!y_append && !must_append) free_yank_all(); return OK; } static void finish_write_reg( int name, yankreg_T *old_y_previous, yankreg_T *old_y_current) { # ifdef FEAT_CLIPBOARD /* Send text of clipboard register to the clipboard. */ may_set_selection(); # endif /* ':let @" = "val"' should change the meaning of the "" register */ if (name != '"') y_previous = old_y_previous; y_current = old_y_current; } /* * Store string "str" in register "name". * "maxlen" is the maximum number of bytes to use, -1 for all bytes. * If "must_append" is TRUE, always append to the register. Otherwise append * if "name" is an uppercase letter. * Note: "maxlen" and "must_append" don't work for the "/" register. * Careful: 'str' is modified, you may have to use a copy! * If "str" ends in '\n' or '\r', use linewise, otherwise use characterwise. */ void write_reg_contents( int name, char_u *str, int maxlen, int must_append) { write_reg_contents_ex(name, str, maxlen, must_append, MAUTO, 0L); } void write_reg_contents_lst( int name, char_u **strings, int maxlen UNUSED, int must_append, int yank_type, long block_len) { yankreg_T *old_y_previous, *old_y_current; if (name == '/' #ifdef FEAT_EVAL || name == '=' #endif ) { char_u *s; if (strings[0] == NULL) s = (char_u *)""; else if (strings[1] != NULL) { emsg(_("E883: search pattern and expression register may not " "contain two or more lines")); return; } else s = strings[0]; write_reg_contents_ex(name, s, -1, must_append, yank_type, block_len); return; } if (name == '_') /* black hole: nothing to do */ return; if (init_write_reg(name, &old_y_previous, &old_y_current, must_append, &yank_type) == FAIL) return; str_to_reg(y_current, yank_type, (char_u *) strings, -1, block_len, TRUE); finish_write_reg(name, old_y_previous, old_y_current); } void write_reg_contents_ex( int name, char_u *str, int maxlen, int must_append, int yank_type, long block_len) { yankreg_T *old_y_previous, *old_y_current; long len; if (maxlen >= 0) len = maxlen; else len = (long)STRLEN(str); /* Special case: '/' search pattern */ if (name == '/') { set_last_search_pat(str, RE_SEARCH, TRUE, TRUE); return; } if (name == '#') { buf_T *buf; if (VIM_ISDIGIT(*str)) { int num = atoi((char *)str); buf = buflist_findnr(num); if (buf == NULL) semsg(_(e_nobufnr), (long)num); } else buf = buflist_findnr(buflist_findpat(str, str + STRLEN(str), TRUE, FALSE, FALSE)); if (buf == NULL) return; curwin->w_alt_fnum = buf->b_fnum; return; } #ifdef FEAT_EVAL if (name == '=') { char_u *p, *s; p = vim_strnsave(str, (int)len); if (p == NULL) return; if (must_append) { s = concat_str(get_expr_line_src(), p); vim_free(p); p = s; } set_expr_line(p); return; } #endif if (name == '_') /* black hole: nothing to do */ return; if (init_write_reg(name, &old_y_previous, &old_y_current, must_append, &yank_type) == FAIL) return; str_to_reg(y_current, yank_type, str, len, block_len, FALSE); finish_write_reg(name, old_y_previous, old_y_current); } #endif /* FEAT_EVAL */ #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) /* * Put a string into a register. When the register is not empty, the string * is appended. */ static void str_to_reg( yankreg_T *y_ptr, /* pointer to yank register */ int yank_type, /* MCHAR, MLINE, MBLOCK, MAUTO */ char_u *str, /* string to put in register */ long len, /* length of string */ long blocklen, /* width of Visual block */ int str_list) /* TRUE if str is char_u ** */ { int type; /* MCHAR, MLINE or MBLOCK */ int lnum; long start; long i; int extra; int newlines; /* number of lines added */ int extraline = 0; /* extra line at the end */ int append = FALSE; /* append to last line in register */ char_u *s; char_u **ss; char_u **pp; long maxlen; if (y_ptr->y_array == NULL) /* NULL means empty register */ y_ptr->y_size = 0; if (yank_type == MAUTO) type = ((str_list || (len > 0 && (str[len - 1] == NL || str[len - 1] == CAR))) ? MLINE : MCHAR); else type = yank_type; /* * Count the number of lines within the string */ newlines = 0; if (str_list) { for (ss = (char_u **) str; *ss != NULL; ++ss) ++newlines; } else { for (i = 0; i < len; i++) if (str[i] == '\n') ++newlines; if (type == MCHAR || len == 0 || str[len - 1] != '\n') { extraline = 1; ++newlines; /* count extra newline at the end */ } if (y_ptr->y_size > 0 && y_ptr->y_type == MCHAR) { append = TRUE; --newlines; /* uncount newline when appending first line */ } } /* Without any lines make the register empty. */ if (y_ptr->y_size + newlines == 0) { VIM_CLEAR(y_ptr->y_array); return; } /* * Allocate an array to hold the pointers to the new register lines. * If the register was not empty, move the existing lines to the new array. */ pp = lalloc_clear((y_ptr->y_size + newlines) * sizeof(char_u *), TRUE); if (pp == NULL) /* out of memory */ return; for (lnum = 0; lnum < y_ptr->y_size; ++lnum) pp[lnum] = y_ptr->y_array[lnum]; vim_free(y_ptr->y_array); y_ptr->y_array = pp; maxlen = 0; /* * Find the end of each line and save it into the array. */ if (str_list) { for (ss = (char_u **) str; *ss != NULL; ++ss, ++lnum) { i = (long)STRLEN(*ss); pp[lnum] = vim_strnsave(*ss, i); if (i > maxlen) maxlen = i; } } else { for (start = 0; start < len + extraline; start += i + 1) { for (i = start; i < len; ++i) /* find the end of the line */ if (str[i] == '\n') break; i -= start; /* i is now length of line */ if (i > maxlen) maxlen = i; if (append) { --lnum; extra = (int)STRLEN(y_ptr->y_array[lnum]); } else extra = 0; s = alloc(i + extra + 1); if (s == NULL) break; if (extra) mch_memmove(s, y_ptr->y_array[lnum], (size_t)extra); if (append) vim_free(y_ptr->y_array[lnum]); if (i) mch_memmove(s + extra, str + start, (size_t)i); extra += i; s[extra] = NUL; y_ptr->y_array[lnum++] = s; while (--extra >= 0) { if (*s == NUL) *s = '\n'; /* replace NUL with newline */ ++s; } append = FALSE; /* only first line is appended */ } } y_ptr->y_type = type; y_ptr->y_size = lnum; if (type == MBLOCK) y_ptr->y_width = (blocklen < 0 ? maxlen - 1 : blocklen); else y_ptr->y_width = 0; #ifdef FEAT_VIMINFO y_ptr->y_time_set = vim_time(); #endif } #endif /* FEAT_CLIPBOARD || FEAT_EVAL || PROTO */ void clear_oparg(oparg_T *oap) { vim_memset(oap, 0, sizeof(oparg_T)); } /* * Count the number of bytes, characters and "words" in a line. * * "Words" are counted by looking for boundaries between non-space and * space characters. (it seems to produce results that match 'wc'.) * * Return value is byte count; word count for the line is added to "*wc". * Char count is added to "*cc". * * The function will only examine the first "limit" characters in the * line, stopping if it encounters an end-of-line (NUL byte). In that * case, eol_size will be added to the character count to account for * the size of the EOL character. */ static varnumber_T line_count_info( char_u *line, varnumber_T *wc, varnumber_T *cc, varnumber_T limit, int eol_size) { varnumber_T i; varnumber_T words = 0; varnumber_T chars = 0; int is_word = 0; for (i = 0; i < limit && line[i] != NUL; ) { if (is_word) { if (vim_isspace(line[i])) { words++; is_word = 0; } } else if (!vim_isspace(line[i])) is_word = 1; ++chars; i += (*mb_ptr2len)(line + i); } if (is_word) words++; *wc += words; /* Add eol_size if the end of line was reached before hitting limit. */ if (i < limit && line[i] == NUL) { i += eol_size; chars += eol_size; } *cc += chars; return i; } /* * Give some info about the position of the cursor (for "g CTRL-G"). * In Visual mode, give some info about the selected region. (In this case, * the *_count_cursor variables store running totals for the selection.) * When "dict" is not NULL store the info there instead of showing it. */ void cursor_pos_info(dict_T *dict) { char_u *p; char_u buf1[50]; char_u buf2[40]; linenr_T lnum; varnumber_T byte_count = 0; varnumber_T bom_count = 0; varnumber_T byte_count_cursor = 0; varnumber_T char_count = 0; varnumber_T char_count_cursor = 0; varnumber_T word_count = 0; varnumber_T word_count_cursor = 0; int eol_size; varnumber_T last_check = 100000L; long line_count_selected = 0; pos_T min_pos, max_pos; oparg_T oparg; struct block_def bd; /* * Compute the length of the file in characters. */ if (curbuf->b_ml.ml_flags & ML_EMPTY) { if (dict == NULL) { msg(_(no_lines_msg)); return; } } else { if (get_fileformat(curbuf) == EOL_DOS) eol_size = 2; else eol_size = 1; if (VIsual_active) { if (LT_POS(VIsual, curwin->w_cursor)) { min_pos = VIsual; max_pos = curwin->w_cursor; } else { min_pos = curwin->w_cursor; max_pos = VIsual; } if (*p_sel == 'e' && max_pos.col > 0) --max_pos.col; if (VIsual_mode == Ctrl_V) { #ifdef FEAT_LINEBREAK char_u * saved_sbr = p_sbr; /* Make 'sbr' empty for a moment to get the correct size. */ p_sbr = empty_option; #endif oparg.is_VIsual = 1; oparg.block_mode = TRUE; oparg.op_type = OP_NOP; getvcols(curwin, &min_pos, &max_pos, &oparg.start_vcol, &oparg.end_vcol); #ifdef FEAT_LINEBREAK p_sbr = saved_sbr; #endif if (curwin->w_curswant == MAXCOL) oparg.end_vcol = MAXCOL; /* Swap the start, end vcol if needed */ if (oparg.end_vcol < oparg.start_vcol) { oparg.end_vcol += oparg.start_vcol; oparg.start_vcol = oparg.end_vcol - oparg.start_vcol; oparg.end_vcol -= oparg.start_vcol; } } line_count_selected = max_pos.lnum - min_pos.lnum + 1; } for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) { /* Check for a CTRL-C every 100000 characters. */ if (byte_count > last_check) { ui_breakcheck(); if (got_int) return; last_check = byte_count + 100000L; } /* Do extra processing for VIsual mode. */ if (VIsual_active && lnum >= min_pos.lnum && lnum <= max_pos.lnum) { char_u *s = NULL; long len = 0L; switch (VIsual_mode) { case Ctrl_V: virtual_op = virtual_active(); block_prep(&oparg, &bd, lnum, 0); virtual_op = MAYBE; s = bd.textstart; len = (long)bd.textlen; break; case 'V': s = ml_get(lnum); len = MAXCOL; break; case 'v': { colnr_T start_col = (lnum == min_pos.lnum) ? min_pos.col : 0; colnr_T end_col = (lnum == max_pos.lnum) ? max_pos.col - start_col + 1 : MAXCOL; s = ml_get(lnum) + start_col; len = end_col; } break; } if (s != NULL) { byte_count_cursor += line_count_info(s, &word_count_cursor, &char_count_cursor, len, eol_size); if (lnum == curbuf->b_ml.ml_line_count && !curbuf->b_p_eol && (curbuf->b_p_bin || !curbuf->b_p_fixeol) && (long)STRLEN(s) < len) byte_count_cursor -= eol_size; } } else { /* In non-visual mode, check for the line the cursor is on */ if (lnum == curwin->w_cursor.lnum) { word_count_cursor += word_count; char_count_cursor += char_count; byte_count_cursor = byte_count + line_count_info(ml_get(lnum), &word_count_cursor, &char_count_cursor, (varnumber_T)(curwin->w_cursor.col + 1), eol_size); } } /* Add to the running totals */ byte_count += line_count_info(ml_get(lnum), &word_count, &char_count, (varnumber_T)MAXCOL, eol_size); } /* Correction for when last line doesn't have an EOL. */ if (!curbuf->b_p_eol && (curbuf->b_p_bin || !curbuf->b_p_fixeol)) byte_count -= eol_size; if (dict == NULL) { if (VIsual_active) { if (VIsual_mode == Ctrl_V && curwin->w_curswant < MAXCOL) { getvcols(curwin, &min_pos, &max_pos, &min_pos.col, &max_pos.col); vim_snprintf((char *)buf1, sizeof(buf1), _("%ld Cols; "), (long)(oparg.end_vcol - oparg.start_vcol + 1)); } else buf1[0] = NUL; if (char_count_cursor == byte_count_cursor && char_count == byte_count) vim_snprintf((char *)IObuff, IOSIZE, _("Selected %s%ld of %ld Lines; %lld of %lld Words; %lld of %lld Bytes"), buf1, line_count_selected, (long)curbuf->b_ml.ml_line_count, (long_long_T)word_count_cursor, (long_long_T)word_count, (long_long_T)byte_count_cursor, (long_long_T)byte_count); else vim_snprintf((char *)IObuff, IOSIZE, _("Selected %s%ld of %ld Lines; %lld of %lld Words; %lld of %lld Chars; %lld of %lld Bytes"), buf1, line_count_selected, (long)curbuf->b_ml.ml_line_count, (long_long_T)word_count_cursor, (long_long_T)word_count, (long_long_T)char_count_cursor, (long_long_T)char_count, (long_long_T)byte_count_cursor, (long_long_T)byte_count); } else { p = ml_get_curline(); validate_virtcol(); col_print(buf1, sizeof(buf1), (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); col_print(buf2, sizeof(buf2), (int)STRLEN(p), linetabsize(p)); if (char_count_cursor == byte_count_cursor && char_count == byte_count) vim_snprintf((char *)IObuff, IOSIZE, _("Col %s of %s; Line %ld of %ld; Word %lld of %lld; Byte %lld of %lld"), (char *)buf1, (char *)buf2, (long)curwin->w_cursor.lnum, (long)curbuf->b_ml.ml_line_count, (long_long_T)word_count_cursor, (long_long_T)word_count, (long_long_T)byte_count_cursor, (long_long_T)byte_count); else vim_snprintf((char *)IObuff, IOSIZE, _("Col %s of %s; Line %ld of %ld; Word %lld of %lld; Char %lld of %lld; Byte %lld of %lld"), (char *)buf1, (char *)buf2, (long)curwin->w_cursor.lnum, (long)curbuf->b_ml.ml_line_count, (long_long_T)word_count_cursor, (long_long_T)word_count, (long_long_T)char_count_cursor, (long_long_T)char_count, (long_long_T)byte_count_cursor, (long_long_T)byte_count); } } bom_count = bomb_size(); if (bom_count > 0) vim_snprintf((char *)IObuff + STRLEN(IObuff), IOSIZE, _("(+%lld for BOM)"), (long_long_T)bom_count); if (dict == NULL) { /* Don't shorten this message, the user asked for it. */ p = p_shm; p_shm = (char_u *)""; msg((char *)IObuff); p_shm = p; } } #if defined(FEAT_EVAL) if (dict != NULL) { dict_add_number(dict, "words", word_count); dict_add_number(dict, "chars", char_count); dict_add_number(dict, "bytes", byte_count + bom_count); dict_add_number(dict, VIsual_active ? "visual_bytes" : "cursor_bytes", byte_count_cursor); dict_add_number(dict, VIsual_active ? "visual_chars" : "cursor_chars", char_count_cursor); dict_add_number(dict, VIsual_active ? "visual_words" : "cursor_words", word_count_cursor); } #endif }