Mercurial > vim
view src/ops.c @ 1530:f0d6b2bb1093 v7.1.245
updated for version 7.1-245
| author | vimboss |
|---|---|
| date | Sun, 10 Feb 2008 21:25:55 +0000 |
| parents | e212d1a40ca9 |
| children | d976f4da2a4d |
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/* vi:set ts=8 sts=4 sw=4: * * 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 */ /* * Symbolic names for some registers. */ #define DELETION_REGISTER 36 #ifdef FEAT_CLIPBOARD # define STAR_REGISTER 37 # ifdef FEAT_X11 # define PLUS_REGISTER 38 # else # define PLUS_REGISTER STAR_REGISTER /* there is only one */ # endif #endif #ifdef FEAT_DND # define TILDE_REGISTER (PLUS_REGISTER + 1) #endif #ifdef FEAT_CLIPBOARD # ifdef FEAT_DND # define NUM_REGISTERS (TILDE_REGISTER + 1) # else # define NUM_REGISTERS (PLUS_REGISTER + 1) # endif #else # define NUM_REGISTERS 37 #endif /* * Each yank register is an array of pointers to lines. */ static struct yankreg { char_u **y_array; /* pointer to array of line pointers */ linenr_T y_size; /* number of lines in y_array */ char_u y_type; /* MLINE, MCHAR or MBLOCK */ #ifdef FEAT_VISUAL colnr_T y_width; /* only set if y_type == MBLOCK */ #endif } y_regs[NUM_REGISTERS]; static struct yankreg *y_current; /* ptr to current yankreg */ static int y_append; /* TRUE when appending */ static struct yankreg *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 of first char */ int endspaces; /* 'extra' cols of first char */ int textlen; /* chars in block */ char_u *textstart; /* pointer to 1st char in block */ colnr_T textcol; /* cols of chars (at least part.) 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 */ #ifdef FEAT_VISUALEXTRA 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 */ #endif colnr_T start_char_vcols; /* number of vcols of pre-block char */ }; #ifdef FEAT_VISUALEXTRA static void shift_block __ARGS((oparg_T *oap, int amount)); static void block_insert __ARGS((oparg_T *oap, char_u *s, int b_insert, struct block_def*bdp)); #endif static int stuff_yank __ARGS((int, char_u *)); static void put_reedit_in_typebuf __ARGS((int silent)); static int put_in_typebuf __ARGS((char_u *s, int esc, int colon, int silent)); static void stuffescaped __ARGS((char_u *arg, int literally)); #ifdef FEAT_MBYTE static void mb_adjust_opend __ARGS((oparg_T *oap)); #endif static void free_yank __ARGS((long)); static void free_yank_all __ARGS((void)); static int yank_copy_line __ARGS((struct block_def *bd, long y_idx)); #ifdef FEAT_CLIPBOARD static void copy_yank_reg __ARGS((struct yankreg *reg)); # if defined(FEAT_VISUAL) || defined(FEAT_EVAL) static void may_set_selection __ARGS((void)); # endif #endif static void dis_msg __ARGS((char_u *p, int skip_esc)); #ifdef FEAT_VISUAL static void block_prep __ARGS((oparg_T *oap, struct block_def *, linenr_T, int)); #endif #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) static void str_to_reg __ARGS((struct yankreg *y_ptr, int type, char_u *str, long len, long blocklen)); #endif static int ends_in_white __ARGS((linenr_T lnum)); #ifdef FEAT_COMMENTS static int same_leader __ARGS((linenr_T lnum, int, char_u *, int, char_u *)); static int fmt_check_par __ARGS((linenr_T, int *, char_u **, int do_comments)); #else static int fmt_check_par __ARGS((linenr_T)); #endif /* * The names of operators. * IMPORTANT: Index must correspond with defines in vim.h!!! * The third field indicates whether the operator always works on lines. */ static char opchars[][3] = { {NUL, NUL, FALSE}, /* OP_NOP */ {'d', NUL, FALSE}, /* OP_DELETE */ {'y', NUL, FALSE}, /* OP_YANK */ {'c', NUL, FALSE}, /* OP_CHANGE */ {'<', NUL, TRUE}, /* OP_LSHIFT */ {'>', NUL, TRUE}, /* OP_RSHIFT */ {'!', NUL, TRUE}, /* OP_FILTER */ {'g', '~', FALSE}, /* OP_TILDE */ {'=', NUL, TRUE}, /* OP_INDENT */ {'g', 'q', TRUE}, /* OP_FORMAT */ {':', NUL, TRUE}, /* OP_COLON */ {'g', 'U', FALSE}, /* OP_UPPER */ {'g', 'u', FALSE}, /* OP_LOWER */ {'J', NUL, TRUE}, /* DO_JOIN */ {'g', 'J', TRUE}, /* DO_JOIN_NS */ {'g', '?', FALSE}, /* OP_ROT13 */ {'r', NUL, FALSE}, /* OP_REPLACE */ {'I', NUL, FALSE}, /* OP_INSERT */ {'A', NUL, FALSE}, /* OP_APPEND */ {'z', 'f', TRUE}, /* OP_FOLD */ {'z', 'o', TRUE}, /* OP_FOLDOPEN */ {'z', 'O', TRUE}, /* OP_FOLDOPENREC */ {'z', 'c', TRUE}, /* OP_FOLDCLOSE */ {'z', 'C', TRUE}, /* OP_FOLDCLOSEREC */ {'z', 'd', TRUE}, /* OP_FOLDDEL */ {'z', 'D', TRUE}, /* OP_FOLDDELREC */ {'g', 'w', TRUE}, /* OP_FORMAT2 */ {'g', '@', FALSE}, /* OP_FUNCTION */ }; /* * Translate a command name into an operator type. * Must only be called with a valid operator name! */ int get_op_type(char1, char2) 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; for (i = 0; ; ++i) if (opchars[i][0] == char1 && opchars[i][1] == char2) break; return i; } #if defined(FEAT_VISUAL) || defined(PROTO) /* * Return TRUE if operator "op" always works on whole lines. */ int op_on_lines(op) int op; { return opchars[op][2]; } #endif /* * Get first operator command character. * Returns 'g' or 'z' if there is another command character. */ int get_op_char(optype) int optype; { return opchars[optype][0]; } /* * Get second operator command character. */ int get_extra_op_char(optype) int optype; { return opchars[optype][1]; } /* * op_shift - handle a shift operation */ void op_shift(oap, curs_top, amount) oparg_T *oap; int curs_top; int amount; { long i; int first_char; char_u *s; #ifdef FEAT_VISUAL int block_col = 0; #endif if (u_save((linenr_T)(oap->start.lnum - 1), (linenr_T)(oap->end.lnum + 1)) == FAIL) return; #ifdef FEAT_VISUAL if (oap->block_mode) block_col = curwin->w_cursor.col; #endif for (i = oap->line_count; --i >= 0; ) { first_char = *ml_get_curline(); if (first_char == NUL) /* empty line */ curwin->w_cursor.col = 0; #ifdef FEAT_VISUALEXTRA else if (oap->block_mode) shift_block(oap, amount); #endif 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); #ifdef FEAT_VISUAL if (oap->block_mode) { curwin->w_cursor.lnum = oap->start.lnum; curwin->w_cursor.col = block_col; } else #endif 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 ":>" */ if (oap->line_count > p_report) { if (oap->op_type == OP_RSHIFT) s = (char_u *)">"; else s = (char_u *)"<"; if (oap->line_count == 1) { if (amount == 1) sprintf((char *)IObuff, _("1 line %sed 1 time"), s); else sprintf((char *)IObuff, _("1 line %sed %d times"), s, amount); } else { if (amount == 1) sprintf((char *)IObuff, _("%ld lines %sed 1 time"), oap->line_count, s); else sprintf((char *)IObuff, _("%ld lines %sed %d times"), oap->line_count, s, amount); } msg(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(left, round, amount, call_changed_bytes) int left; int round; int amount; int call_changed_bytes; /* call changed_bytes() */ { int count; int i, j; int p_sw = (int)curbuf->b_p_sw; 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 */ #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) change_indent(INDENT_SET, count, FALSE, NUL, call_changed_bytes); else #endif (void)set_indent(count, call_changed_bytes ? SIN_CHANGED : 0); } #if defined(FEAT_VISUALEXTRA) || defined(PROTO) /* * Shift one line of the current block one shiftwidth right or left. * Leaves cursor on first character in block. */ static void shift_block(oap, amount) oparg_T *oap; int amount; { int left = (oap->op_type == OP_LSHIFT); int oldstate = State; int total, split; char_u *newp, *oldp, *midp, *ptr; int oldcol = curwin->w_cursor.col; int p_sw = (int)curbuf->b_p_sw; int p_ts = (int)curbuf->b_p_ts; struct block_def bd; int internal = 0; int incr; colnr_T vcol, col = 0, 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 ident */ #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 = amount * p_sw; 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) { #ifdef FEAT_MBYTE if (has_mbyte) bd.textstart += (*mb_ptr2len)(bd.textstart); #endif ++bd.textstart; } for ( ; vim_iswhite(*bd.textstart); ) { incr = lbr_chartabsize_adv(&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. */ 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; /* 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_check((unsigned)(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); copy_chars(newp + bd.textcol, (size_t)i, TAB); copy_spaces(newp + bd.textcol + i, (size_t)j); /* the end */ mch_memmove(newp + bd.textcol + i + j, bd.textstart, (size_t)len); } else /* left */ { vcol = oap->start_vcol; /* walk vcol past ws to be removed */ for (midp = oldp + bd.textcol; vcol < (oap->start_vcol + total) && vim_iswhite(*midp); ) { incr = lbr_chartabsize_adv(&midp, (colnr_T)vcol); vcol += incr; } /* internal is the block-internal ws replacing a split TAB */ if (vcol > (oap->start_vcol + total)) { /* we have to split the TAB *(midp-1) */ internal = vcol - (oap->start_vcol + total); } /* if 'expandtab' is not set, use TABs */ split = bd.startspaces + internal; if (split > 0) { if (!curbuf->b_p_et) { for (ptr = oldp, col = 0; ptr < oldp+bd.textcol; ) col += lbr_chartabsize_adv(&ptr, (colnr_T)col); /* col+1 now equals the start col of the first char of the * block (may be < oap.start_vcol if we're splitting a TAB) */ i = ((col % p_ts) + split) / p_ts; /* number of tabs */ } if (i) j = ((col % p_ts) + split) % p_ts; /* number of spp */ else j = split; } newp = alloc_check(bd.textcol + i + j + (unsigned)STRLEN(midp) + 1); if (newp == NULL) return; vim_memset(newp, NUL, (size_t)(bd.textcol + i + j + STRLEN(midp) + 1)); /* copy first part we want to keep */ mch_memmove(newp, oldp, (size_t)bd.textcol); /* Now copy any TABS and spp to ensure correct alignment! */ while (vim_iswhite(*midp)) { if (*midp == TAB) i++; else /*space */ j++; midp++; } /* We might have an extra TAB worth of spp now! */ if (j / p_ts && !curbuf->b_p_et) { i++; j -= p_ts; } copy_chars(newp + bd.textcol, (size_t)i, TAB); copy_spaces(newp + bd.textcol + i, (size_t)j); /* the end */ mch_memmove(newp + STRLEN(newp), midp, (size_t)STRLEN(midp) + 1); } /* 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 } #endif #ifdef FEAT_VISUALEXTRA /* * Insert string "s" (b_insert ? before : after) block :AKelly * Caller must prepare for undo. */ static void block_insert(oap, s, b_insert, bdp) 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; } } newp = alloc_check((unsigned)(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 */ copy_spaces(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 */ copy_spaces(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; mch_memmove(newp + offset, oldp, (size_t)(STRLEN(oldp) + 1)); 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; } #endif #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) /* * op_reindent - handle reindenting a block of lines. */ void op_reindent(oap, how) oparg_T *oap; int (*how) __ARGS((void)); { long i; char_u *l; int count; 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((char_u *)_("%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 */ count = 0; else count = how(); /* get the indent for this line */ if (set_indent(count, 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; } /* 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, #ifdef FEAT_VISUAL oap->is_VIsual ? start_lnum + oap->line_count : #endif last_changed + 1, 0L); #ifdef FEAT_VISUAL else if (oap->is_VIsual) redraw_curbuf_later(INVERTED); #endif if (oap->line_count > p_report) { i = oap->line_count - (i + 1); if (i == 1) MSG(_("1 line indented ")); else smsg((char_u *)_("%ld lines indented "), 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() { char_u *new_line; new_line = getcmdline('=', 0L, 0); 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(new_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() { 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. */ char_u * get_expr_line_src() { 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(regname, writing) 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 == '_' #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 */ void get_yank_register(regname, writing) int regname; int writing; { int i; y_append = FALSE; if ((regname == 0 || regname == '"') && !writing && y_previous != NULL) { y_current = y_previous; return; } 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; /* When clipboard is not available, use register 0 instead of '+' */ else if (clip_plus.available && regname == '+') i = PLUS_REGISTER; #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; } #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(regname) 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 #if defined(FEAT_VISUAL) || defined(PROTO) /* * 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(name, copy) int name; int copy; /* make a copy, if FALSE make register empty. */ { struct yankreg *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()) clip_update_selection(); may_get_selection(name); } #endif get_yank_register(name, 0); reg = (struct yankreg *)alloc((unsigned)sizeof(struct yankreg)); 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 = (char_u **)alloc((unsigned)(sizeof(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(name, reg) int name; void *reg; { get_yank_register(name, 0); free_yank_all(); *y_current = *(struct yankreg *)reg; vim_free(reg); # ifdef FEAT_CLIPBOARD /* Send text written to clipboard register to the clipboard. */ may_set_selection(); # endif } #endif #if defined(FEAT_MOUSE) || defined(PROTO) /* * return TRUE if the current yank register has type MLINE */ int yank_register_mline(regname) 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(c) int c; { char_u *p; static int regname; struct yankreg *old_y_previous, *old_y_current; int retval; if (Recording == FALSE) /* start recording */ { /* registers 0-9, a-z and " are allowed */ if (c < 0 || (!ASCII_ISALNUM(c) && c != '"')) retval = FAIL; else { Recording = TRUE; 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. */ Recording = FALSE; 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(regname, p) 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 = lalloc((long_u)(STRLEN(*pp) + STRLEN(p) + 1), TRUE); 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 = (char_u **)alloc((unsigned)sizeof(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? */ } return OK; } /* * execute a yank register: copy it into the stuff buffer * * return FAIL for failure, OK otherwise */ int do_execreg(regname, colon, addcr, silent) 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 */ { static int lastc = NUL; long i; char_u *p; int retval = OK; int remap; if (regname == '@') /* repeat previous one */ { if (lastc == NUL) { EMSG(_("E748: No previously used register")); return FAIL; } regname = lastc; } /* check for valid regname */ if (regname == '%' || regname == '#' || !valid_yank_reg(regname, FALSE)) { emsg_invreg(regname); return FAIL; } lastc = regname; #ifdef FEAT_CLIPBOARD regname = may_get_selection(regname); #endif if (regname == '_') /* black hole: don't stuff anything */ return OK; #ifdef FEAT_CMDHIST if (regname == ':') /* use last command line */ { if (last_cmdline == NULL) { EMSG(_(e_nolastcmd)); return FAIL; } vim_free(new_last_cmdline); /* don't keep the cmdline containing @: */ new_last_cmdline = NULL; /* 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); } #endif #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; } Exec_reg = TRUE; /* disable the '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(silent) 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; } } static int put_in_typebuf(s, esc, colon, silent) char_u *s; int esc; /* Escape CSI characters */ 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_YES, 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, REMAP_YES, 0, TRUE, silent); if (esc) vim_free(p); } if (colon && retval == OK) retval = ins_typebuf((char_u *)":", REMAP_YES, 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(regname, literally) int regname; int literally; /* insert literally, not as if typed */ { long i; int retval = OK; char_u *arg; int allocated; /* * 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 */ { get_yank_register(regname, FALSE); 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(arg, literally) 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) { #ifdef FEAT_MBYTE if (has_mbyte) c = mb_ptr2char_adv(&arg); else #endif 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(regname, argp, allocated, errmsg) 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 '_': /* 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(regname, literally, remcr) int regname; int literally; /* Insert text literally instead of "as typed" */ int remcr; /* don't add trailing CR */ { long i; get_yank_register(regname, FALSE); 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 and the next line is empty. */ if (y_current->y_type == MLINE || (i < y_current->y_size - 1 && !(remcr && i == y_current->y_size - 2 && *y_current->y_array[i + 1] == NUL))) 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(rp) int *rp; { /* If no reg. specified, and "unnamed" is in 'clipboard', use '*' reg. */ if (*rp == 0 && clip_unnamed) *rp = '*'; if (!clip_star.available && *rp == '*') *rp = 0; if (!clip_plus.available && *rp == '+') *rp = 0; } #endif /* * op_delete - handle a delete operation * * return FAIL if undo failed, OK otherwise. */ int op_delete(oap) oparg_T *oap; { int n; linenr_T lnum; char_u *ptr; #ifdef FEAT_VISUAL char_u *newp, *oldp; struct block_def bd; #endif 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 #ifdef FEAT_MBYTE if (has_mbyte) mb_adjust_opend(oap); #endif /* * 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 #ifdef FEAT_VISUAL && !oap->is_VIsual && !oap->block_mode #endif && oap->line_count > 1 && oap->op_type == OP_DELETE) { ptr = ml_get(oap->end.lnum) + oap->end.col + 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). */ #ifdef FEAT_VIRTUALEDIT if (virtual_op) /* Virtual editing: Nothing gets deleted, but we set the '[ and '] * marks as if it happened. */ goto setmarks; #endif 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 a regname has been specified. */ if (oap->regname != 0 || oap->motion_type == MLINE || oap->line_count > 1 || oap->use_reg_one) { 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_previous = y_current = &y_regs[1]; y_regs[1].y_array = NULL; /* set register one to empty */ if (op_yank(oap, TRUE, FALSE) == OK) did_yank = TRUE; } /* Yank into small delete register when no register specified and the * delete is within one line. */ if (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; } } } #ifdef FEAT_VISUAL /* * 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; # ifdef FEAT_VIRTUALEDIT curwin->w_cursor.coladd = 0; # endif } /* 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_check((unsigned)STRLEN(oldp) + 1 - n); if (newp == NULL) continue; /* copy up to deleted part */ mch_memmove(newp, oldp, (size_t)bd.textcol); /* insert spaces */ copy_spaces(newp + bd.textcol, (size_t)(bd.startspaces + bd.endspaces)); /* copy the part after the deleted part */ oldp += bd.textcol + bd.textlen; mch_memmove(newp + bd.textcol + bd.startspaces + bd.endspaces, oldp, STRLEN(oldp) + 1); /* replace the line */ ml_replace(lnum, newp, FALSE); } 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 #endif 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 { #ifdef FEAT_VIRTUALEDIT 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; } } #endif 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 #ifdef FEAT_VISUAL && !oap->is_VIsual #endif ) display_dollar(oap->end.col - !oap->inclusive); n = oap->end.col - oap->start.col + 1 - !oap->inclusive; #ifdef FEAT_VIRTUALEDIT 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; } #endif (void)del_bytes((long)n, !virtual_op, oap->op_type == OP_DELETE #ifdef FEAT_VISUAL && !oap->is_VIsual #endif ); } 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 */ curwin->w_cursor.col = 0; (void)del_bytes((long)(oap->end.col + 1 - !oap->inclusive), !virtual_op, oap->op_type == OP_DELETE #ifdef FEAT_VISUAL && !oap->is_VIsual #endif ); curwin->w_cursor = curpos; /* restore curwin->w_cursor */ (void)do_join(FALSE); } } msgmore(curbuf->b_ml.ml_line_count - old_lcount); #ifdef FEAT_VIRTUALEDIT setmarks: #endif #ifdef FEAT_VISUAL if (oap->block_mode) { curbuf->b_op_end.lnum = oap->end.lnum; curbuf->b_op_end.col = oap->start.col; } else #endif curbuf->b_op_end = oap->start; curbuf->b_op_start = oap->start; return OK; } #ifdef FEAT_MBYTE /* * Adjust end of operating area for ending on a multi-byte character. * Used for deletion. */ static void mb_adjust_opend(oap) 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); } } #endif #if defined(FEAT_VISUALEXTRA) || defined(PROTO) /* * Replace a whole area with one character. */ int op_replace(oap, c) oparg_T *oap; int c; { int n, numc; #ifdef FEAT_MBYTE int num_chars; #endif char_u *newp, *oldp; size_t oldlen; struct block_def bd; if ((curbuf->b_ml.ml_flags & ML_EMPTY ) || oap->empty) return OK; /* nothing to do */ #ifdef FEAT_MBYTE if (has_mbyte) mb_adjust_opend(oap); #endif 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) { 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! */ #ifdef FEAT_VIRTUALEDIT /* 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; getvpos(&vpos, oap->start_vcol); bd.startspaces += vpos.coladd; n = bd.startspaces; } else #endif /* allow for pre spaces */ n = (bd.startspaces ? bd.start_char_vcols - 1 : 0); /* allow for post spp */ n += (bd.endspaces #ifdef FEAT_VIRTUALEDIT && !bd.is_oneChar #endif && 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; #ifdef FEAT_MBYTE /* 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); #endif /* oldlen includes textlen, so don't double count */ n += numc - bd.textlen; oldp = ml_get_curline(); oldlen = STRLEN(oldp); newp = alloc_check((unsigned)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 */ copy_spaces(newp + bd.textcol, (size_t)bd.startspaces); /* insert replacement chars CHECK FOR ALLOCATED SPACE */ #ifdef FEAT_MBYTE if (has_mbyte) { n = (int)STRLEN(newp); while (--num_chars >= 0) n += (*mb_char2bytes)(c, newp + n); } else #endif copy_chars(newp + STRLEN(newp), (size_t)numc, c); if (!bd.is_short) { /* insert post-spaces */ copy_spaces(newp + STRLEN(newp), (size_t)bd.endspaces); /* copy the part after the changed part */ mch_memmove(newp + STRLEN(newp), oldp, STRLEN(oldp) + 1); } /* replace the line */ ml_replace(curwin->w_cursor.lnum, newp, FALSE); } } 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(curwin->w_cursor, oap->end)) { n = gchar_cursor(); if (n != NUL) { #ifdef FEAT_MBYTE 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. */ oap->end.col += (*mb_char2len)(c) - (*mb_char2len)(n); n = State; State = REPLACE; ins_char(c); State = n; /* Backup to the replaced character. */ dec_cursor(); } else #endif { #ifdef FEAT_VIRTUALEDIT 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); } #endif pchar(curwin->w_cursor, c); } } #ifdef FEAT_VIRTUALEDIT 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--) { pchar(curwin->w_cursor, c); if (inc(&curwin->w_cursor) == -1) break; } } #endif /* 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; } #endif static int swapchars __ARGS((int op_type, pos_T *pos, int length)); /* * Handle the (non-standard vi) tilde operator. Also for "gu", "gU" and "g?". */ void op_tilde(oap) oparg_T *oap; { pos_T pos; #ifdef FEAT_VISUAL struct block_def bd; #endif int did_change = FALSE; if (u_save((linenr_T)(oap->start.lnum - 1), (linenr_T)(oap->end.lnum + 1)) == FAIL) return; pos = oap->start; #ifdef FEAT_VISUAL if (oap->block_mode) /* Visual block mode */ { for (; pos.lnum <= oap->end.lnum; ++pos.lnum) { block_prep(oap, &bd, pos.lnum, FALSE); pos.col = bd.textcol; did_change = swapchars(oap->op_type, &pos, bd.textlen); # ifdef FEAT_NETBEANS_INTG if (usingNetbeans && did_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 */ #endif { 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(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 (usingNetbeans && 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 } } #ifdef FEAT_VISUAL if (!did_change && oap->is_VIsual) /* No change: need to remove the Visual selection */ redraw_curbuf_later(INVERTED); #endif /* * Set '[ and '] marks. */ curbuf->b_op_start = oap->start; curbuf->b_op_end = oap->end; if (oap->line_count > p_report) { if (oap->line_count == 1) MSG(_("1 line changed")); else smsg((char_u *)_("%ld lines changed"), 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(op_type, pos, length) int op_type; pos_T *pos; int length; { int todo; int did_change = 0; for (todo = length; todo > 0; --todo) { # ifdef FEAT_MBYTE if (has_mbyte) /* we're counting bytes, not characters */ todo -= (*mb_ptr2len)(ml_get_pos(pos)) - 1; # endif 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(op_type, pos) 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; #ifdef FEAT_MBYTE 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; #endif 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) { #ifdef FEAT_MBYTE if (enc_utf8 && (c >= 0x80 || nc >= 0x80)) { pos_T sp = curwin->w_cursor; curwin->w_cursor = *pos; del_char(FALSE); ins_char(nc); curwin->w_cursor = sp; } else #endif pchar(*pos, nc); return TRUE; } return FALSE; } #if defined(FEAT_VISUALEXTRA) || defined(PROTO) /* * op_insert - Insert and append operators for Visual mode. */ void op_insert(oap, count1) oparg_T *oap; long count1; { long ins_len, pre_textlen = 0; char_u *firstline, *ins_text; struct block_def bd; int i; /* 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) { #ifdef FEAT_VIRTUALEDIT /* 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; } #endif /* Get the info about the block before entering the text */ block_prep(oap, &bd, oap->start.lnum, TRUE); 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 #ifdef FEAT_VIRTUALEDIT && curwin->w_cursor.coladd == 0 #endif ) { /* 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(); } } edit(NUL, FALSE, (linenr_T)count1); /* 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; /* * 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) + bd.textcol; if (oap->op_type == OP_APPEND) firstline += bd.textlen; if ((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); } } } } #endif /* * op_change - handle a change operation * * return TRUE if edit() returns because of a CTRL-O command */ int op_change(oap) oparg_T *oap; { colnr_T l; int retval; #ifdef FEAT_VISUALEXTRA 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; #endif 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(); #ifdef FEAT_VISUALEXTRA /* check for still on same line (<CR> in inserted text meaningless) */ /* skip blank lines too */ if (oap->block_mode) { # ifdef FEAT_VIRTUALEDIT /* Add spaces before getting the current line length. */ if (virtual_op && (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL)) coladvance_force(getviscol()); # endif firstline = ml_get(oap->start.lnum); pre_textlen = (long)STRLEN(firstline); pre_indent = (long)(skipwhite(firstline) - firstline); bd.textcol = curwin->w_cursor.col; } #endif #if defined(FEAT_LISP) || defined(FEAT_CINDENT) if (oap->motion_type == MLINE) fix_indent(); #endif retval = edit(NUL, FALSE, (linenr_T)1); #ifdef FEAT_VISUALEXTRA /* * 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)(skipwhite(firstline) - 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_check((unsigned)(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) { # ifdef FEAT_VIRTUALEDIT pos_T vpos; /* If the block starts in virtual space, count the * initial coladd offset as part of "startspaces" */ if (bd.is_short) { linenr_T lnum = curwin->w_cursor.lnum; curwin->w_cursor.lnum = linenr; (void)getvpos(&vpos, oap->start_vcol); curwin->w_cursor.lnum = lnum; } else vpos.coladd = 0; # endif oldp = ml_get(linenr); newp = alloc_check((unsigned)(STRLEN(oldp) # ifdef FEAT_VIRTUALEDIT + vpos.coladd # endif + ins_len + 1)); if (newp == NULL) continue; /* copy up to block start */ mch_memmove(newp, oldp, (size_t)bd.textcol); offset = bd.textcol; # ifdef FEAT_VIRTUALEDIT copy_spaces(newp + offset, (size_t)vpos.coladd); offset += vpos.coladd; # endif mch_memmove(newp + offset, ins_text, (size_t)ins_len); offset += ins_len; oldp += bd.textcol; mch_memmove(newp + offset, oldp, STRLEN(oldp) + 1); ml_replace(linenr, newp, FALSE); } } check_cursor(); changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); } vim_free(ins_text); } } #endif return retval; } /* * set all the yank registers to empty (called from main()) */ void init_yank() { int i; for (i = 0; i < NUM_REGISTERS; ++i) y_regs[i].y_array = NULL; } #if defined(EXITFREE) || defined(PROTO) void clear_registers() { 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(n) 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((char_u *)_("freeing %ld lines"), i + 1); --no_wait_return; msg_didout = FALSE; msg_col = 0; } #endif vim_free(y_current->y_array[i]); } vim_free(y_current->y_array); y_current->y_array = NULL; #ifdef AMIGA if (n >= 1000) MSG(""); #endif } } static void free_yank_all() { 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(oap, deleting, mess) oparg_T *oap; int deleting; int mess; { long y_idx; /* index in y_array[] */ struct yankreg *curr; /* copy of y_current */ struct yankreg 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; /* 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 #ifdef FEAT_VISUAL && (!oap->is_VIsual || *p_sel == 'o') && !oap->block_mode #endif && 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 */ #ifdef FEAT_VISUAL y_current->y_width = 0; #endif y_current->y_array = (char_u **)lalloc_clear((long_u)(sizeof(char_u *) * yanklines), TRUE); if (y_current->y_array == NULL) { y_current = curr; return FAIL; } y_idx = 0; lnum = oap->start.lnum; #ifdef FEAT_VISUAL 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--; } #endif for ( ; lnum <= yankendlnum; lnum++, y_idx++) { switch (y_current->y_type) { #ifdef FEAT_VISUAL case MBLOCK: block_prep(oap, &bd, lnum, FALSE); if (yank_copy_line(&bd, y_idx) == FAIL) goto fail; break; #endif 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; #ifdef FEAT_VIRTUALEDIT int is_oneChar = FALSE; colnr_T cs, ce; #endif p = ml_get(lnum); bd.startspaces = 0; bd.endspaces = 0; if (lnum == oap->start.lnum) { startcol = oap->start.col; #ifdef FEAT_VIRTUALEDIT 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++; } } #endif } if (lnum == oap->end.lnum) { endcol = oap->end.col; #ifdef FEAT_VIRTUALEDIT if (virtual_op) { getvcol(curwin, &oap->end, &cs, NULL, &ce); if (p[endcol] == NUL || (cs + oap->end.coladd < ce # ifdef FEAT_MBYTE /* 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 # endif )) { 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; } } } #endif } if (startcol > endcol #ifdef FEAT_VIRTUALEDIT || is_oneChar #endif ) bd.textlen = 0; else { if (endcol == MAXCOL) endcol = (colnr_T)STRLEN(p); 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 = (char_u **)lalloc((long_u)(sizeof(char_u *) * (curr->y_size + y_current->y_size)), TRUE); 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; 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 = lalloc((long_u)(STRLEN(curr->y_array[curr->y_size - 1]) + STRLEN(y_current->y_array[0]) + 1), TRUE); 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 (mess) /* Display message about yank? */ { if (yanktype == MCHAR #ifdef FEAT_VISUAL && !oap->block_mode #endif && yanklines == 1) yanklines = 0; /* Some versions of Vi use ">=" here, some don't... */ if (yanklines > p_report) { /* redisplay now, so message is not deleted */ update_topline_redraw(); if (yanklines == 1) { #ifdef FEAT_VISUAL if (oap->block_mode) MSG(_("block of 1 line yanked")); else #endif MSG(_("1 line yanked")); } #ifdef FEAT_VISUAL else if (oap->block_mode) smsg((char_u *)_("block of %ld lines yanked"), yanklines); #endif else smsg((char_u *)_("%ld lines yanked"), yanklines); } } /* * Set "'[" and "']" marks. */ curbuf->b_op_start = oap->start; curbuf->b_op_end = oap->end; if (yanktype == MLINE #ifdef FEAT_VISUAL && !oap->block_mode #endif ) { 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))) { 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 /* * If we were yanking to the '+' register, send result to selection. * Also copy to the '*' register, in case auto-select is off. */ else if (clip_plus.available && curr == &(y_regs[PLUS_REGISTER])) { /* No need to copy to * register upon 'unnamed' now - see below */ clip_own_selection(&clip_plus); clip_gen_set_selection(&clip_plus); if (!clip_isautosel()) { copy_yank_reg(&(y_regs[STAR_REGISTER])); clip_own_selection(&clip_star); clip_gen_set_selection(&clip_star); } } # endif #endif return OK; fail: /* free the allocated lines */ free_yank(y_idx + 1); y_current = curr; return FAIL; } static int yank_copy_line(bd, y_idx) 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; copy_spaces(pnew, (size_t)bd->startspaces); pnew += bd->startspaces; mch_memmove(pnew, bd->textstart, (size_t)bd->textlen); pnew += bd->textlen; copy_spaces(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(reg) struct yankreg *reg; { struct yankreg *curr = y_current; long j; y_current = reg; free_yank_all(); *y_current = *curr; y_current->y_array = (char_u **)lalloc_clear( (long_u)(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(regname, dir, count, flags) 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; #ifdef FEAT_VISUAL int oldlen; long y_width = 0; colnr_T vcol; int delcount; int incr = 0; long j; struct block_def bd; #endif 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 == '.') { (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; } 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 string linewise */ if (*ptr == NUL) { y_type = MLINE; break; } } } if (y_array != NULL) break; y_array = (char_u **)alloc((unsigned) (y_size * sizeof(char_u *))); 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; #ifdef FEAT_VISUAL y_width = y_current->y_width; #endif y_size = y_current->y_size; y_array = y_current->y_array; } #ifdef FEAT_VISUAL if (y_type == MLINE) { if (flags & PUT_LINE_SPLIT) { /* "p" or "P" in Visual mode: split the lines to put the text in * between. */ if (u_save_cursor() == FAIL) goto end; ptr = vim_strsave(ml_get_cursor()); if (ptr == NULL) goto end; ml_append(curwin->w_cursor.lnum, ptr, (colnr_T)0, FALSE); vim_free(ptr); ptr = vim_strnsave(ml_get_curline(), curwin->w_cursor.col); 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 */ } #endif if (flags & PUT_LINE) /* :put command or "p" in Visual line mode. */ y_type = MLINE; if (y_size == 0 || y_array == NULL) { EMSG2(_("E353: Nothing in register %s"), regname == 0 ? (char_u *)"\"" : transchar(regname)); goto end; } #ifdef FEAT_VISUAL 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 #endif 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; if (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]); #ifdef FEAT_VIRTUALEDIT 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. */ if (dir == FORWARD ? (int)curwin->w_cursor.coladd < curbuf->b_p_ts - 1 : curwin->w_cursor.coladd > 0) coladvance_force(getviscol()); else curwin->w_cursor.coladd = 0; } else if (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL) coladvance_force(getviscol() + (dir == FORWARD)); } #endif lnum = curwin->w_cursor.lnum; col = curwin->w_cursor.col; #ifdef FEAT_VISUAL /* * Block mode */ if (y_type == MBLOCK) { char c = gchar_cursor(); colnr_T endcol2 = 0; if (dir == FORWARD && c != NUL) { #ifdef FEAT_VIRTUALEDIT if (ve_flags == VE_ALL) getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); else #endif getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col); #ifdef FEAT_MBYTE if (has_mbyte) /* move to start of next multi-byte character */ curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); else #endif #ifdef FEAT_VIRTUALEDIT if (c != TAB || ve_flags != VE_ALL) #endif ++curwin->w_cursor.col; ++col; } else getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); #ifdef FEAT_VIRTUALEDIT 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; #endif 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(&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; #ifdef FEAT_MBYTE if (has_mbyte) bd.textcol -= (*mb_head_off)(oldp, oldp + bd.textcol); #endif 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(&y_array[i][j], 0); if (spaces < 0) spaces = 0; /* insert the new text */ totlen = count * (yanklen + spaces) + bd.startspaces + bd.endspaces; newp = alloc_check((unsigned)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 */ copy_spaces(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) { copy_spaces(ptr, (size_t)spaces); ptr += spaces; } } /* may insert some spaces after the new text */ copy_spaces(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; # ifdef FEAT_VIRTUALEDIT curbuf->b_op_end.coladd = 0; # endif 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 #endif { /* * 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) { #ifdef FEAT_MBYTE 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 #endif { ++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) { totlen = count * yanklen; if (totlen) { oldp = ml_get(lnum); newp = alloc_check((unsigned)(STRLEN(oldp) + totlen + 1)); if (newp == NULL) goto end; /* alloc() will give 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; } mch_memmove(ptr, oldp + col, STRLEN(oldp + col) + 1); ml_replace(lnum, newp, FALSE); /* Put cursor on last putted char. */ curwin->w_cursor.col += (colnr_T)(totlen - 1); } 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_check((unsigned)(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_check((unsigned)(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++; } 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); /* 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() { if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL #ifdef FEAT_VIRTUALEDIT && (ve_flags & VE_ONEMORE) == 0 #endif && !(restart_edit || (State & INSERT))) { /* Put the cursor on the last character in the line. */ dec_cursor(); #ifdef FEAT_VIRTUALEDIT 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; } #endif } } #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) || defined(PROTO) /* * Return TRUE if lines starting with '#' should be left aligned. */ int preprocs_left() { 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)) # endif ; } #endif /* Return the character name of the register with the given number */ int get_register_name(num) 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(eap) exarg_T *eap; { int i, n; long j; char_u *p; struct yankreg *yb; int name; int attr; char_u *arg = eap->arg; #ifdef FEAT_MBYTE int clen; #else # define clen 1 #endif 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) 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]); 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) { #ifdef FEAT_MBYTE clen = (*mb_ptr2len)(p); #endif msg_outtrans_len(p, clen); #ifdef FEAT_MBYTE p += clen - 1; #endif } } 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(p, skip_esc) char_u *p; int skip_esc; /* if TRUE, ignore trailing ESC */ { int n; #ifdef FEAT_MBYTE int l; #endif n = (int)Columns - 6; while (*p != NUL && !(*p == ESC && skip_esc && *(p + 1) == NUL) && (n -= ptr2cells(p)) >= 0) { #ifdef FEAT_MBYTE if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) { msg_outtrans_len(p, l); p += l; } else #endif msg_outtrans_len(p++, 1); } ui_breakcheck(); } /* * join 'count' lines (minimal 2), including u_save() */ void do_do_join(count, insert_space) long count; int insert_space; { colnr_T col = MAXCOL; if (u_save((linenr_T)(curwin->w_cursor.lnum - 1), (linenr_T)(curwin->w_cursor.lnum + count)) == FAIL) return; while (--count > 0) { line_breakcheck(); if (got_int || do_join(insert_space) == FAIL) { beep_flush(); break; } if (col == MAXCOL && vim_strchr(p_cpo, CPO_JOINCOL) != NULL) col = curwin->w_cursor.col; } /* Vi compatible: use the column of the first join */ if (col != MAXCOL && vim_strchr(p_cpo, CPO_JOINCOL) != NULL) curwin->w_cursor.col = col; #if 0 /* * Need to update the screen if the line where the cursor is became too * long to fit on the screen. */ update_topline_redraw(); #endif } /* * Join two lines at the cursor position. * "redraw" is TRUE when the screen should be updated. * Caller must have setup for undo. * * return FAIL for failure, OK otherwise */ int do_join(insert_space) int insert_space; { char_u *curr; char_u *next, *next_start; char_u *newp; int endcurr1, endcurr2; int currsize; /* size of the current line */ int nextsize; /* size of the next line */ int spaces; /* number of spaces to insert */ linenr_T t; if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) return FAIL; /* can't join on last line */ curr = ml_get_curline(); currsize = (int)STRLEN(curr); endcurr1 = endcurr2 = NUL; if (insert_space && currsize > 0) { #ifdef FEAT_MBYTE if (has_mbyte) { next = curr + currsize; mb_ptr_back(curr, next); endcurr1 = (*mb_ptr2char)(next); if (next > curr) { mb_ptr_back(curr, next); endcurr2 = (*mb_ptr2char)(next); } } else #endif { endcurr1 = *(curr + currsize - 1); if (currsize > 1) endcurr2 = *(curr + currsize - 2); } } next = next_start = ml_get((linenr_T)(curwin->w_cursor.lnum + 1)); spaces = 0; if (insert_space) { next = skipwhite(next); if (*next != ')' && currsize != 0 && endcurr1 != TAB #ifdef FEAT_MBYTE && (!has_format_option(FO_MBYTE_JOIN) || (mb_ptr2char(next) < 0x100 && endcurr1 < 0x100)) && (!has_format_option(FO_MBYTE_JOIN2) || mb_ptr2char(next) < 0x100 || endcurr1 < 0x100) #endif ) { /* don't add a space if the line is ending in a space */ if (endcurr1 == ' ') endcurr1 = endcurr2; else ++spaces; /* extra space when 'joinspaces' set and line ends in '.' */ if ( p_js && (endcurr1 == '.' || (vim_strchr(p_cpo, CPO_JOINSP) == NULL && (endcurr1 == '?' || endcurr1 == '!')))) ++spaces; } } nextsize = (int)STRLEN(next); newp = alloc_check((unsigned)(currsize + nextsize + spaces + 1)); if (newp == NULL) return FAIL; /* * Insert the next line first, because we already have that pointer. * Curr has to be obtained again, because getting next will have * invalidated it. */ mch_memmove(newp + currsize + spaces, next, (size_t)(nextsize + 1)); curr = ml_get_curline(); mch_memmove(newp, curr, (size_t)currsize); copy_spaces(newp + currsize, (size_t)spaces); ml_replace(curwin->w_cursor.lnum, newp, FALSE); /* 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 the following line. 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. * * Move marks from the 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. */ t = curwin->w_cursor.lnum; mark_col_adjust(t + 1, (colnr_T)0, (linenr_T)-1, (long)(currsize + spaces - (next - next_start))); ++curwin->w_cursor.lnum; del_lines(1L, FALSE); curwin->w_cursor.lnum = t; /* * go to first character of the joined line */ curwin->w_cursor.col = currsize; check_cursor_col(); #ifdef FEAT_VIRTUALEDIT curwin->w_cursor.coladd = 0; #endif curwin->w_set_curswant = TRUE; return OK; } #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(lnum, leader1_len, leader1_flags, leader2_len, leader2_flags) 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(oap, keep_cursor) 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; #ifdef FEAT_VISUAL if (oap->is_VIsual) /* When there is no change: need to remove the Visual selection */ redraw_curbuf_later(INVERTED); #endif /* 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); /* * 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; } #ifdef FEAT_VISUAL 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; } } } #endif } #if defined(FEAT_EVAL) || defined(PROTO) /* * Implementation of the format operator 'gq' for when using 'formatexpr'. */ void op_formatexpr(oap) oparg_T *oap; { # ifdef FEAT_VISUAL if (oap->is_VIsual) /* When there is no change: need to remove the Visual selection */ redraw_curbuf_later(INVERTED); # endif (void)fex_format(oap->start.lnum, oap->line_count, NUL); } int fex_format(lnum, count, c) linenr_T lnum; long count; int c; /* character to be inserted */ { int use_sandbox = was_set_insecurely((char_u *)"formatexpr", OPT_LOCAL); int r; #ifdef FEAT_MBYTE char_u buf[MB_MAXBYTES]; #else char_u buf[2]; #endif /* * 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); #ifdef FEAT_MBYTE if (has_mbyte) buf[(*mb_char2bytes)(c, buf)] = NUL; else #endif { buf[0] = c; buf[1] = NUL; } set_vim_var_string(VV_CHAR, buf, -1); /* * Evaluate the function. */ if (use_sandbox) ++sandbox; r = eval_to_number(curbuf->b_p_fex); if (use_sandbox) --sandbox; set_vim_var_string(VV_CHAR, NULL, -1); 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(line_count) linenr_T line_count; { 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 */ #endif int advance = TRUE; int second_indent = -1; 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 #ifdef FEAT_COMMENTS && leader_len == 0 && next_leader_len == 0 #endif ) { if (do_second_indent && !lineempty(curwin->w_cursor.lnum + 1)) second_indent = get_indent_lnum(curwin->w_cursor.lnum + 1); else if (do_number_indent) second_indent = get_number_indent(curwin->w_cursor.lnum); } /* * 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) #endif , 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 comment 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 (void)del_bytes((long)next_leader_len, FALSE, FALSE); if (next_leader_len > 0) mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L, (long)-next_leader_len); #endif curwin->w_cursor.lnum--; if (do_join(TRUE) == 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(lnum) 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(lnum, leader_len, leader_flags, do_comments) 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); 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(lnum) 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(lnum) 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; } #ifdef FEAT_VISUAL /* * 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(oap, bdp, lnum, is_del) 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; #ifdef FEAT_VISUALEXTRA bdp->is_short = FALSE; bdp->is_oneChar = FALSE; bdp->pre_whitesp = 0; bdp->pre_whitesp_c = 0; bdp->end_char_vcols = 0; #endif 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(pstart, (colnr_T)bdp->start_vcol); bdp->start_vcol += incr; #ifdef FEAT_VISUALEXTRA if (vim_iswhite(*pstart)) { bdp->pre_whitesp += incr; bdp->pre_whitesp_c++; } else { bdp->pre_whitesp = 0; bdp->pre_whitesp_c = 0; } #endif 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; #ifdef FEAT_VISUALEXTRA bdp->is_short = TRUE; #endif 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 */ { #ifdef FEAT_VISUALEXTRA bdp->is_oneChar = TRUE; #endif 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(&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 */ { #ifdef FEAT_VISUALEXTRA bdp->is_short = TRUE; #endif /* 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; } } } #ifdef FEAT_VISUALEXTRA bdp->end_char_vcols = incr; #endif if (is_del && bdp->startspaces) pstart = prev_pstart; bdp->textlen = (int)(pend - pstart); } bdp->textcol = (colnr_T) (pstart - line); bdp->textstart = pstart; } #endif /* FEAT_VISUAL */ #ifdef FEAT_RIGHTLEFT static void reverse_line __ARGS((char_u *s)); static void reverse_line(s) char_u *s; { int i, j; char_u c; if ((i = (int)STRLEN(s) - 1) <= 0) return; curwin->w_cursor.col = i - curwin->w_cursor.col; for (j = 0; j < i; j++, i--) { c = s[i]; s[i] = s[j]; s[j] = c; } } # define RLADDSUBFIX(ptr) if (curwin->w_p_rl) reverse_line(ptr); #else # define RLADDSUBFIX(ptr) #endif /* * add or subtract 'Prenum1' from a number in a line * 'command' is CTRL-A for add, CTRL-X for subtract * * return FAIL for failure, OK otherwise */ int do_addsub(command, Prenum1) int command; linenr_T Prenum1; { int col; char_u *buf1; char_u buf2[NUMBUFLEN]; int hex; /* 'X' or 'x': hex; '0': octal */ static int hexupper = FALSE; /* 0xABC */ unsigned long n; long_u oldn; char_u *ptr; int c; int length = 0; /* character length of the number */ int todel; int dohex; int dooct; int doalp; int firstdigit; int negative; int subtract; dohex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); /* "heX" */ dooct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); /* "Octal" */ doalp = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); /* "alPha" */ ptr = ml_get_curline(); RLADDSUBFIX(ptr); /* * First check if we are on a hexadecimal number, after the "0x". */ col = curwin->w_cursor.col; if (dohex) while (col > 0 && vim_isxdigit(ptr[col])) --col; if ( dohex && col > 0 && (ptr[col] == 'X' || ptr[col] == 'x') && ptr[col - 1] == '0' && vim_isxdigit(ptr[col + 1])) { /* * Found hexadecimal number, move to its start. */ --col; } else { /* * Search forward and then backward to find the start of number. */ col = curwin->w_cursor.col; while (ptr[col] != NUL && !vim_isdigit(ptr[col]) && !(doalp && ASCII_ISALPHA(ptr[col]))) ++col; while (col > 0 && vim_isdigit(ptr[col - 1]) && !(doalp && ASCII_ISALPHA(ptr[col]))) --col; } /* * If a number was found, and saving for undo works, replace the number. */ firstdigit = ptr[col]; RLADDSUBFIX(ptr); if ((!VIM_ISDIGIT(firstdigit) && !(doalp && ASCII_ISALPHA(firstdigit))) || u_save_cursor() != OK) { beep_flush(); return FAIL; } /* get ptr again, because u_save() may have changed it */ ptr = ml_get_curline(); RLADDSUBFIX(ptr); if (doalp && ASCII_ISALPHA(firstdigit)) { /* decrement or increment alphabetic character */ if (command == Ctrl_X) { 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; (void)del_char(FALSE); ins_char(firstdigit); } else { negative = FALSE; if (col > 0 && ptr[col - 1] == '-') /* negative number */ { --col; negative = TRUE; } /* get the number value (unsigned) */ vim_str2nr(ptr + col, &hex, &length, dooct, dohex, NULL, &n); /* ignore leading '-' for hex and octal numbers */ if (hex && negative) { ++col; --length; negative = FALSE; } /* add or subtract */ subtract = FALSE; if (command == Ctrl_X) subtract ^= TRUE; if (negative) subtract ^= TRUE; oldn = n; if (subtract) n -= (unsigned long)Prenum1; else n += (unsigned long)Prenum1; /* handle wraparound for decimal numbers */ if (!hex) { if (subtract) { if (n > oldn) { n = 1 + (n ^ (unsigned long)-1); negative ^= TRUE; } } else /* add */ { if (n < oldn) { n = (n ^ (unsigned long)-1); negative ^= TRUE; } } if (n == 0) negative = FALSE; } /* * Delete the old number. */ curwin->w_cursor.col = col; 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((unsigned)length + NUMBUFLEN); if (buf1 == NULL) return FAIL; ptr = buf1; if (negative) { *ptr++ = '-'; } if (hex) { *ptr++ = '0'; --length; } if (hex == 'x' || hex == 'X') { *ptr++ = hex; --length; } /* * Put the number characters in buf2[]. */ if (hex == 0) sprintf((char *)buf2, "%lu", n); else if (hex == '0') sprintf((char *)buf2, "%lo", n); else if (hex && hexupper) sprintf((char *)buf2, "%lX", n); else sprintf((char *)buf2, "%lx", 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 && hex == 0)) while (length-- > 0) *ptr++ = '0'; *ptr = NUL; STRCAT(buf1, buf2); ins_str(buf1); /* insert the new number */ vim_free(buf1); } --curwin->w_cursor.col; curwin->w_set_curswant = TRUE; #ifdef FEAT_RIGHTLEFT ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); RLADDSUBFIX(ptr); #endif return OK; } #ifdef FEAT_VIMINFO int read_viminfo_register(virp, force) vir_T *virp; int force; { int eof; int do_it = TRUE; int size; int limit; int i; int set_prev = FALSE; char_u *str; char_u **array = NULL; /* We only get here (hopefully) if line[0] == '"' */ str = virp->vir_line + 1; if (*str == '"') { set_prev = TRUE; str++; } if (!ASCII_ISALNUM(*str) && *str != '-') { if (viminfo_error("E577: ", _("Illegal register name"), virp->vir_line)) return TRUE; /* too many errors, pretend end-of-file */ do_it = FALSE; } get_yank_register(*str++, FALSE); if (!force && y_current->y_array != NULL) do_it = FALSE; size = 0; limit = 100; /* Optimized for registers containing <= 100 lines */ if (do_it) { if (set_prev) y_previous = y_current; vim_free(y_current->y_array); array = y_current->y_array = (char_u **)alloc((unsigned)(limit * sizeof(char_u *))); str = skipwhite(str); if (STRNCMP(str, "CHAR", 4) == 0) y_current->y_type = MCHAR; #ifdef FEAT_VISUAL else if (STRNCMP(str, "BLOCK", 5) == 0) y_current->y_type = MBLOCK; #endif else y_current->y_type = MLINE; /* get the block width; if it's missing we get a zero, which is OK */ str = skipwhite(skiptowhite(str)); #ifdef FEAT_VISUAL y_current->y_width = getdigits(&str); #else (void)getdigits(&str); #endif } while (!(eof = viminfo_readline(virp)) && (virp->vir_line[0] == TAB || virp->vir_line[0] == '<')) { if (do_it) { if (size >= limit) { y_current->y_array = (char_u **) alloc((unsigned)(limit * 2 * sizeof(char_u *))); for (i = 0; i < limit; i++) y_current->y_array[i] = array[i]; vim_free(array); limit *= 2; array = y_current->y_array; } str = viminfo_readstring(virp, 1, TRUE); if (str != NULL) array[size++] = str; else do_it = FALSE; } } if (do_it) { if (size == 0) { vim_free(array); y_current->y_array = NULL; } else if (size < limit) { y_current->y_array = (char_u **)alloc((unsigned)(size * sizeof(char_u *))); for (i = 0; i < size; i++) y_current->y_array[i] = array[i]; vim_free(array); } y_current->y_size = size; } return eof; } void write_viminfo_registers(fp) FILE *fp; { int i, j; char_u *type; char_u c; int num_lines; int max_num_lines; int max_kbyte; long len; fprintf(fp, _("\n# Registers:\n")); /* Get '<' value, use old '"' value if '<' is not found. */ max_num_lines = get_viminfo_parameter('<'); if (max_num_lines < 0) max_num_lines = get_viminfo_parameter('"'); if (max_num_lines == 0) return; max_kbyte = get_viminfo_parameter('s'); if (max_kbyte == 0) return; for (i = 0; i < NUM_REGISTERS; i++) { if (y_regs[i].y_array == NULL) continue; #ifdef FEAT_CLIPBOARD /* Skip '*'/'+' register, we don't want them back next time */ if (i == STAR_REGISTER || i == PLUS_REGISTER) continue; #endif #ifdef FEAT_DND /* Neither do we want the '~' register */ if (i == TILDE_REGISTER) continue; #endif /* Skip empty registers. */ num_lines = y_regs[i].y_size; if (num_lines == 0 || (num_lines == 1 && y_regs[i].y_type == MCHAR && STRLEN(y_regs[i].y_array[0]) == 0)) continue; if (max_kbyte > 0) { /* Skip register if there is more text than the maximum size. */ len = 0; for (j = 0; j < num_lines; j++) len += (long)STRLEN(y_regs[i].y_array[j]) + 1L; if (len > (long)max_kbyte * 1024L) continue; } switch (y_regs[i].y_type) { case MLINE: type = (char_u *)"LINE"; break; case MCHAR: type = (char_u *)"CHAR"; break; #ifdef FEAT_VISUAL case MBLOCK: type = (char_u *)"BLOCK"; break; #endif default: sprintf((char *)IObuff, _("E574: Unknown register type %d"), y_regs[i].y_type); emsg(IObuff); type = (char_u *)"LINE"; break; } if (y_previous == &y_regs[i]) fprintf(fp, "\""); c = get_register_name(i); fprintf(fp, "\"%c\t%s\t%d\n", c, type, #ifdef FEAT_VISUAL (int)y_regs[i].y_width #else 0 #endif ); /* If max_num_lines < 0, then we save ALL the lines in the register */ if (max_num_lines > 0 && num_lines > max_num_lines) num_lines = max_num_lines; for (j = 0; j < num_lines; j++) { putc('\t', fp); viminfo_writestring(fp, y_regs[i].y_array[j]); } } } #endif /* FEAT_VIMINFO */ #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) void x11_export_final_selection() { 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) { XStoreBuffer(dpy, (char *)str, (int)len, 0); XFlush(dpy); } vim_free(str); } #endif void clip_free_selection(cbd) VimClipboard *cbd; { struct yankreg *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 the gui selection register '*' or '+'. */ void clip_get_selection(cbd) VimClipboard *cbd; { struct yankreg *old_y_previous, *old_y_current; pos_T old_cursor; #ifdef FEAT_VISUAL pos_T old_visual; int old_visual_mode; #endif 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; #ifdef FEAT_VISUAL old_visual = VIsual; old_visual_mode = VIsual_mode; #endif 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; #ifdef FEAT_VISUAL VIsual = old_visual; VIsual_mode = old_visual_mode; #endif } else { 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(type, str, len, cbd) int type; char_u *str; long len; VimClipboard *cbd; { struct yankreg *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); } /* * 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(str, len, cbd) char_u **str; long_u *len; VimClipboard *cbd; { char_u *p; int lnum; int i, j; int_u eolsize; struct yankreg *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 = lalloc(*len + 1, TRUE); /* 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 #ifdef USE_CR p[i] = '\r'; #else p[i] = '\n'; #endif lnum++; j = -1; } else p[i] = y_ptr->y_array[lnum][j]; } return y_ptr->y_type; } # if defined(FEAT_VISUAL) || defined(FEAT_EVAL) /* * If we have written to a clipboard register, send the text to the clipboard. */ static void may_set_selection() { 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 #endif /* FEAT_CLIPBOARD || PROTO */ #if defined(FEAT_DND) || defined(PROTO) /* * Replace the contents of the '~' register with str. */ void dnd_yank_drag_data(str, len) char_u *str; long len; { struct yankreg *curr; curr = y_current; y_current = &y_regs[TILDE_REGISTER]; free_yank_all(); str_to_reg(y_current, MCHAR, str, len, 0L); 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(regname, reglen) 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 /* Should we check for a valid name? */ get_yank_register(regname, FALSE); if (y_current->y_array != NULL) { #ifdef FEAT_VISUAL if (reglen != NULL && y_current->y_type == MBLOCK) *reglen = y_current->y_width; #endif return y_current->y_type; } return MAUTO; } /* * Return the contents of a register as a single allocated string. * Used for "@r" in expressions and for getreg(). * Returns NULL for error. */ char_u * get_reg_contents(regname, allowexpr, expr_src) int regname; int allowexpr; /* allow "=" register */ int expr_src; /* get expression for "=" register */ { long i; char_u *retval; int allocated; long len; /* Don't allow using an expression register inside an expression */ if (regname == '=') { if (allowexpr) { if (expr_src) return get_expr_line_src(); return get_expr_line(); } return NULL; } 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) retval = vim_strsave(retval); return retval; } get_yank_register(regname, FALSE); if (y_current->y_array == NULL) return NULL; /* * 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 = lalloc(len + 1, TRUE); /* * 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; } /* * 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(name, str, maxlen, must_append) 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_ex(name, str, maxlen, must_append, yank_type, block_len) int name; char_u *str; int maxlen; int must_append; int yank_type; long block_len; { struct yankreg *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; } #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 (!valid_yank_reg(name, TRUE)) /* check for valid reg name */ { emsg_invreg(name); return; } if (name == '_') /* black hole: nothing to do */ return; /* 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(); #ifndef FEAT_VISUAL /* Just in case - make sure we don't use MBLOCK */ if (yank_type == MBLOCK) yank_type = MAUTO; #endif if (yank_type == MAUTO) yank_type = ((len > 0 && (str[len - 1] == '\n' || str[len - 1] == '\r')) ? MLINE : MCHAR); str_to_reg(y_current, yank_type, str, len, block_len); # 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; } #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(y_ptr, type, str, len, blocklen) struct yankreg *y_ptr; /* pointer to yank register */ int type; /* MCHAR, MLINE or MBLOCK */ char_u *str; /* string to put in register */ long len; /* length of string */ long blocklen; /* width of Visual block */ { 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 **pp; #ifdef FEAT_VISUAL long maxlen; #endif if (y_ptr->y_array == NULL) /* NULL means emtpy register */ y_ptr->y_size = 0; /* * Count the number of lines within the string */ newlines = 0; 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 */ } /* * 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 = (char_u **)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; #ifdef FEAT_VISUAL maxlen = 0; #endif /* * Find the end of each line and save it into the array. */ 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 */ #ifdef FEAT_VISUAL if (i > maxlen) maxlen = i; #endif if (append) { --lnum; extra = (int)STRLEN(y_ptr->y_array[lnum]); } else extra = 0; s = alloc((unsigned)(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; # ifdef FEAT_VISUAL if (type == MBLOCK) y_ptr->y_width = (blocklen < 0 ? maxlen - 1 : blocklen); else y_ptr->y_width = 0; # endif } #endif /* FEAT_CLIPBOARD || FEAT_EVAL || PROTO */ void clear_oparg(oap) oparg_T *oap; { vim_memset(oap, 0, sizeof(oparg_T)); } static long line_count_info __ARGS((char_u *line, long *wc, long *cc, long limit, int eol_size)); /* * 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 long line_count_info(line, wc, cc, limit, eol_size) char_u *line; long *wc; long *cc; long limit; int eol_size; { long i; long words = 0; long chars = 0; int is_word = 0; for (i = 0; line[i] && i < limit; ) { if (is_word) { if (vim_isspace(line[i])) { words++; is_word = 0; } } else if (!vim_isspace(line[i])) is_word = 1; ++chars; #ifdef FEAT_MBYTE i += (*mb_ptr2len)(line + i); #else ++i; #endif } if (is_word) words++; *wc += words; /* Add eol_size if the end of line was reached before hitting limit. */ if (line[i] == NUL && i < limit) { 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.) */ void cursor_pos_info() { char_u *p; char_u buf1[50]; char_u buf2[40]; linenr_T lnum; long byte_count = 0; long byte_count_cursor = 0; long char_count = 0; long char_count_cursor = 0; long word_count = 0; long word_count_cursor = 0; int eol_size; long last_check = 100000L; #ifdef FEAT_VISUAL long line_count_selected = 0; pos_T min_pos, max_pos; oparg_T oparg; struct block_def bd; #endif /* * Compute the length of the file in characters. */ if (curbuf->b_ml.ml_flags & ML_EMPTY) { MSG(_(no_lines_msg)); } else { if (get_fileformat(curbuf) == EOL_DOS) eol_size = 2; else eol_size = 1; #ifdef FEAT_VISUAL if (VIsual_active) { if (lt(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) { 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); 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; } #endif 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; } #ifdef FEAT_VISUAL /* 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: # ifdef FEAT_VIRTUALEDIT virtual_op = virtual_active(); # endif block_prep(&oparg, &bd, lnum, 0); # ifdef FEAT_VIRTUALEDIT virtual_op = MAYBE; # endif 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 && (long)STRLEN(s) < len) byte_count_cursor -= eol_size; } } else #endif { /* 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, (long)(curwin->w_cursor.col + 1), eol_size); } } /* Add to the running totals */ byte_count += line_count_info(ml_get(lnum), &word_count, &char_count, (long)MAXCOL, eol_size); } /* Correction for when last line doesn't have an EOL. */ if (!curbuf->b_p_eol && curbuf->b_p_bin) byte_count -= eol_size; #ifdef FEAT_VISUAL if (VIsual_active) { if (VIsual_mode == Ctrl_V && curwin->w_curswant < MAXCOL) { getvcols(curwin, &min_pos, &max_pos, &min_pos.col, &max_pos.col); sprintf((char *)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) sprintf((char *)IObuff, _("Selected %s%ld of %ld Lines; %ld of %ld Words; %ld of %ld Bytes"), buf1, line_count_selected, (long)curbuf->b_ml.ml_line_count, word_count_cursor, word_count, byte_count_cursor, byte_count); else sprintf((char *)IObuff, _("Selected %s%ld of %ld Lines; %ld of %ld Words; %ld of %ld Chars; %ld of %ld Bytes"), buf1, line_count_selected, (long)curbuf->b_ml.ml_line_count, word_count_cursor, word_count, char_count_cursor, char_count, byte_count_cursor, byte_count); } else #endif { p = ml_get_curline(); validate_virtcol(); col_print(buf1, (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); col_print(buf2, (int)STRLEN(p), linetabsize(p)); if (char_count_cursor == byte_count_cursor && char_count == byte_count) sprintf((char *)IObuff, _("Col %s of %s; Line %ld of %ld; Word %ld of %ld; Byte %ld of %ld"), (char *)buf1, (char *)buf2, (long)curwin->w_cursor.lnum, (long)curbuf->b_ml.ml_line_count, word_count_cursor, word_count, byte_count_cursor, byte_count); else sprintf((char *)IObuff, _("Col %s of %s; Line %ld of %ld; Word %ld of %ld; Char %ld of %ld; Byte %ld of %ld"), (char *)buf1, (char *)buf2, (long)curwin->w_cursor.lnum, (long)curbuf->b_ml.ml_line_count, word_count_cursor, word_count, char_count_cursor, char_count, byte_count_cursor, byte_count); } #ifdef FEAT_MBYTE byte_count = bomb_size(); if (byte_count > 0) sprintf((char *)IObuff + STRLEN(IObuff), _("(+%ld for BOM)"), byte_count); #endif /* Don't shorten this message, the user asked for it. */ p = p_shm; p_shm = (char_u *)""; msg(IObuff); p_shm = p; } }