Mercurial > vim
view src/misc2.c @ 29698:b944b7fb563b v9.0.0189
patch 9.0.0189: invalid memory access for text prop without highlight
Commit: https://github.com/vim/vim/commit/87f3a2ca3d0ffbfa7389bbb89add4d8d3fca6fbb
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Aug 10 20:50:23 2022 +0100
patch 9.0.0189: invalid memory access for text prop without highlight
Problem: Invalid memory access for text prop without highlight.
Solution: Check for a valid highlight ID.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Wed, 10 Aug 2022 22:00:03 +0200 |
parents | 057c26b5c33a |
children | 89e1d67814a9 |
line wrap: on
line source
/* vi:set ts=8 sts=4 sw=4 noet: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. * See README.txt for an overview of the Vim source code. */ /* * misc2.c: Various functions. */ #include "vim.h" static char_u *username = NULL; // cached result of mch_get_user_name() static int coladvance2(pos_T *pos, int addspaces, int finetune, colnr_T wcol); /* * Return TRUE if in the current mode we need to use virtual. */ int virtual_active(void) { unsigned int cur_ve_flags = get_ve_flags(); // While an operator is being executed we return "virtual_op", because // VIsual_active has already been reset, thus we can't check for "block" // being used. if (virtual_op != MAYBE) return virtual_op; return (cur_ve_flags == VE_ALL || ((cur_ve_flags & VE_BLOCK) && VIsual_active && VIsual_mode == Ctrl_V) || ((cur_ve_flags & VE_INSERT) && (State & MODE_INSERT))); } /* * Get the screen position of the cursor. */ int getviscol(void) { colnr_T x; getvvcol(curwin, &curwin->w_cursor, &x, NULL, NULL); return (int)x; } /* * Go to column "wcol", and add/insert white space as necessary to get the * cursor in that column. * The caller must have saved the cursor line for undo! */ int coladvance_force(colnr_T wcol) { int rc = coladvance2(&curwin->w_cursor, TRUE, FALSE, wcol); if (wcol == MAXCOL) curwin->w_valid &= ~VALID_VIRTCOL; else { // Virtcol is valid curwin->w_valid |= VALID_VIRTCOL; curwin->w_virtcol = wcol; } return rc; } /* * Get the screen position of character col with a coladd in the cursor line. */ int getviscol2(colnr_T col, colnr_T coladd UNUSED) { colnr_T x; pos_T pos; pos.lnum = curwin->w_cursor.lnum; pos.col = col; pos.coladd = coladd; getvvcol(curwin, &pos, &x, NULL, NULL); return (int)x; } /* * Try to advance the Cursor to the specified screen column. * If virtual editing: fine tune the cursor position. * Note that all virtual positions off the end of a line should share * a curwin->w_cursor.col value (n.b. this is equal to STRLEN(line)), * beginning at coladd 0. * * return OK if desired column is reached, FAIL if not */ int coladvance(colnr_T wcol) { int rc = getvpos(&curwin->w_cursor, wcol); if (wcol == MAXCOL || rc == FAIL) curwin->w_valid &= ~VALID_VIRTCOL; else if (*ml_get_cursor() != TAB) { // Virtcol is valid when not on a TAB curwin->w_valid |= VALID_VIRTCOL; curwin->w_virtcol = wcol; } return rc; } /* * Return in "pos" the position of the cursor advanced to screen column "wcol". * return OK if desired column is reached, FAIL if not */ int getvpos(pos_T *pos, colnr_T wcol) { return coladvance2(pos, FALSE, virtual_active(), wcol); } static int coladvance2( pos_T *pos, int addspaces, // change the text to achieve our goal? int finetune, // change char offset for the exact column colnr_T wcol_arg) // column to move to (can be negative) { colnr_T wcol = wcol_arg; int idx; char_u *line; colnr_T col = 0; int csize = 0; int one_more; #ifdef FEAT_LINEBREAK int head = 0; #endif one_more = (State & MODE_INSERT) || restart_edit != NUL || (VIsual_active && *p_sel != 'o') || ((get_ve_flags() & VE_ONEMORE) && wcol < MAXCOL); line = ml_get_buf(curbuf, pos->lnum, FALSE); if (wcol >= MAXCOL) { idx = (int)STRLEN(line) - 1 + one_more; col = wcol; if ((addspaces || finetune) && !VIsual_active) { curwin->w_curswant = linetabsize(line) + one_more; if (curwin->w_curswant > 0) --curwin->w_curswant; } } else { int width = curwin->w_width - win_col_off(curwin); chartabsize_T cts; if (finetune && curwin->w_p_wrap && curwin->w_width != 0 && wcol >= (colnr_T)width && width > 0) { csize = linetabsize(line); if (csize > 0) csize--; if (wcol / width > (colnr_T)csize / width && ((State & MODE_INSERT) == 0 || (int)wcol > csize + 1)) { // In case of line wrapping don't move the cursor beyond the // right screen edge. In Insert mode allow going just beyond // the last character (like what happens when typing and // reaching the right window edge). wcol = (csize / width + 1) * width - 1; } } init_chartabsize_arg(&cts, curwin, pos->lnum, 0, line, line); while (cts.cts_vcol <= wcol && *cts.cts_ptr != NUL) { // Count a tab for what it's worth (if list mode not on) #ifdef FEAT_LINEBREAK csize = win_lbr_chartabsize(&cts, &head); MB_PTR_ADV(cts.cts_ptr); #else csize = lbr_chartabsize_adv(&cts); #endif cts.cts_vcol += csize; } col = cts.cts_vcol; idx = (int)(cts.cts_ptr - line); clear_chartabsize_arg(&cts); /* * Handle all the special cases. The virtual_active() check * is needed to ensure that a virtual position off the end of * a line has the correct indexing. The one_more comparison * replaces an explicit add of one_more later on. */ if (col > wcol || (!virtual_active() && one_more == 0)) { idx -= 1; # ifdef FEAT_LINEBREAK // Don't count the chars from 'showbreak'. csize -= head; # endif col -= csize; } if (virtual_active() && addspaces && wcol >= 0 && ((col != wcol && col != wcol + 1) || csize > 1)) { // 'virtualedit' is set: The difference between wcol and col is // filled with spaces. if (line[idx] == NUL) { // Append spaces int correct = wcol - col; char_u *newline = alloc(idx + correct + 1); int t; if (newline == NULL) return FAIL; for (t = 0; t < idx; ++t) newline[t] = line[t]; for (t = 0; t < correct; ++t) newline[t + idx] = ' '; newline[idx + correct] = NUL; ml_replace(pos->lnum, newline, FALSE); changed_bytes(pos->lnum, (colnr_T)idx); idx += correct; col = wcol; } else { // Break a tab int linelen = (int)STRLEN(line); int correct = wcol - col - csize + 1; // negative!! char_u *newline; int t, s = 0; int v; if (-correct > csize) return FAIL; newline = alloc(linelen + csize); if (newline == NULL) return FAIL; for (t = 0; t < linelen; t++) { if (t != idx) newline[s++] = line[t]; else for (v = 0; v < csize; v++) newline[s++] = ' '; } newline[linelen + csize - 1] = NUL; ml_replace(pos->lnum, newline, FALSE); changed_bytes(pos->lnum, idx); idx += (csize - 1 + correct); col += correct; } } } if (idx < 0) pos->col = 0; else pos->col = idx; pos->coladd = 0; if (finetune) { if (wcol == MAXCOL) { // The width of the last character is used to set coladd. if (!one_more) { colnr_T scol, ecol; getvcol(curwin, pos, &scol, NULL, &ecol); pos->coladd = ecol - scol; } } else { int b = (int)wcol - (int)col; // The difference between wcol and col is used to set coladd. if (b > 0 && b < (MAXCOL - 2 * curwin->w_width)) pos->coladd = b; col += b; } } // prevent from moving onto a trail byte if (has_mbyte) mb_adjustpos(curbuf, pos); if (wcol < 0 || col < wcol) return FAIL; return OK; } /* * Increment the cursor position. See inc() for return values. */ int inc_cursor(void) { return inc(&curwin->w_cursor); } /* * Increment the line pointer "lp" crossing line boundaries as necessary. * Return 1 when going to the next line. * Return 2 when moving forward onto a NUL at the end of the line). * Return -1 when at the end of file. * Return 0 otherwise. */ int inc(pos_T *lp) { char_u *p; // when searching position may be set to end of a line if (lp->col != MAXCOL) { p = ml_get_pos(lp); if (*p != NUL) // still within line, move to next char (may be NUL) { if (has_mbyte) { int l = (*mb_ptr2len)(p); lp->col += l; return ((p[l] != NUL) ? 0 : 2); } lp->col++; lp->coladd = 0; return ((p[1] != NUL) ? 0 : 2); } } if (lp->lnum != curbuf->b_ml.ml_line_count) // there is a next line { lp->col = 0; lp->lnum++; lp->coladd = 0; return 1; } return -1; } /* * incl(lp): same as inc(), but skip the NUL at the end of non-empty lines */ int incl(pos_T *lp) { int r; if ((r = inc(lp)) >= 1 && lp->col) r = inc(lp); return r; } /* * dec(p) * * Decrement the line pointer 'p' crossing line boundaries as necessary. * Return 1 when crossing a line, -1 when at start of file, 0 otherwise. */ int dec_cursor(void) { return dec(&curwin->w_cursor); } int dec(pos_T *lp) { char_u *p; lp->coladd = 0; if (lp->col == MAXCOL) { // past end of line p = ml_get(lp->lnum); lp->col = (colnr_T)STRLEN(p); if (has_mbyte) lp->col -= (*mb_head_off)(p, p + lp->col); return 0; } if (lp->col > 0) { // still within line lp->col--; if (has_mbyte) { p = ml_get(lp->lnum); lp->col -= (*mb_head_off)(p, p + lp->col); } return 0; } if (lp->lnum > 1) { // there is a prior line lp->lnum--; p = ml_get(lp->lnum); lp->col = (colnr_T)STRLEN(p); if (has_mbyte) lp->col -= (*mb_head_off)(p, p + lp->col); return 1; } // at start of file return -1; } /* * decl(lp): same as dec(), but skip the NUL at the end of non-empty lines */ int decl(pos_T *lp) { int r; if ((r = dec(lp)) == 1 && lp->col) r = dec(lp); return r; } /* * Get the line number relative to the current cursor position, i.e. the * difference between line number and cursor position. Only look for lines that * can be visible, folded lines don't count. */ linenr_T get_cursor_rel_lnum( win_T *wp, linenr_T lnum) // line number to get the result for { linenr_T cursor = wp->w_cursor.lnum; linenr_T retval = 0; #ifdef FEAT_FOLDING if (hasAnyFolding(wp)) { if (lnum > cursor) { while (lnum > cursor) { (void)hasFoldingWin(wp, lnum, &lnum, NULL, TRUE, NULL); // if lnum and cursor are in the same fold, // now lnum <= cursor if (lnum > cursor) retval++; lnum--; } } else if (lnum < cursor) { while (lnum < cursor) { (void)hasFoldingWin(wp, lnum, NULL, &lnum, TRUE, NULL); // if lnum and cursor are in the same fold, // now lnum >= cursor if (lnum < cursor) retval--; lnum++; } } // else if (lnum == cursor) // retval = 0; } else #endif retval = lnum - cursor; return retval; } /* * Make sure "pos.lnum" and "pos.col" are valid in "buf". * This allows for the col to be on the NUL byte. */ void check_pos(buf_T *buf, pos_T *pos) { char_u *line; colnr_T len; if (pos->lnum > buf->b_ml.ml_line_count) pos->lnum = buf->b_ml.ml_line_count; if (pos->col > 0) { line = ml_get_buf(buf, pos->lnum, FALSE); len = (colnr_T)STRLEN(line); if (pos->col > len) pos->col = len; } } /* * Make sure curwin->w_cursor.lnum is valid. */ void check_cursor_lnum(void) { if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) { #ifdef FEAT_FOLDING // If there is a closed fold at the end of the file, put the cursor in // its first line. Otherwise in the last line. if (!hasFolding(curbuf->b_ml.ml_line_count, &curwin->w_cursor.lnum, NULL)) #endif curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; } if (curwin->w_cursor.lnum <= 0) curwin->w_cursor.lnum = 1; } /* * Make sure curwin->w_cursor.col is valid. */ void check_cursor_col(void) { check_cursor_col_win(curwin); } /* * Make sure win->w_cursor.col is valid. */ void check_cursor_col_win(win_T *win) { colnr_T len; colnr_T oldcol = win->w_cursor.col; colnr_T oldcoladd = win->w_cursor.col + win->w_cursor.coladd; unsigned int cur_ve_flags = get_ve_flags(); len = (colnr_T)STRLEN(ml_get_buf(win->w_buffer, win->w_cursor.lnum, FALSE)); if (len == 0) win->w_cursor.col = 0; else if (win->w_cursor.col >= len) { // Allow cursor past end-of-line when: // - in Insert mode or restarting Insert mode // - in Visual mode and 'selection' isn't "old" // - 'virtualedit' is set if ((State & MODE_INSERT) || restart_edit || (VIsual_active && *p_sel != 'o') || (cur_ve_flags & VE_ONEMORE) || virtual_active()) win->w_cursor.col = len; else { win->w_cursor.col = len - 1; // Move the cursor to the head byte. if (has_mbyte) mb_adjustpos(win->w_buffer, &win->w_cursor); } } else if (win->w_cursor.col < 0) win->w_cursor.col = 0; // If virtual editing is on, we can leave the cursor on the old position, // only we must set it to virtual. But don't do it when at the end of the // line. if (oldcol == MAXCOL) win->w_cursor.coladd = 0; else if (cur_ve_flags == VE_ALL) { if (oldcoladd > win->w_cursor.col) { win->w_cursor.coladd = oldcoladd - win->w_cursor.col; // Make sure that coladd is not more than the char width. // Not for the last character, coladd is then used when the cursor // is actually after the last character. if (win->w_cursor.col + 1 < len) { int cs, ce; getvcol(win, &win->w_cursor, &cs, NULL, &ce); if (win->w_cursor.coladd > ce - cs) win->w_cursor.coladd = ce - cs; } } else // avoid weird number when there is a miscalculation or overflow win->w_cursor.coladd = 0; } } /* * make sure curwin->w_cursor in on a valid character */ void check_cursor(void) { check_cursor_lnum(); check_cursor_col(); } /* * Check if VIsual position is valid, correct it if not. * Can be called when in Visual mode and a change has been made. */ void check_visual_pos(void) { if (VIsual.lnum > curbuf->b_ml.ml_line_count) { VIsual.lnum = curbuf->b_ml.ml_line_count; VIsual.col = 0; VIsual.coladd = 0; } else { int len = (int)STRLEN(ml_get(VIsual.lnum)); if (VIsual.col > len) { VIsual.col = len; VIsual.coladd = 0; } } } #if defined(FEAT_TEXTOBJ) || defined(PROTO) /* * Make sure curwin->w_cursor is not on the NUL at the end of the line. * Allow it when in Visual mode and 'selection' is not "old". */ void adjust_cursor_col(void) { if (curwin->w_cursor.col > 0 && (!VIsual_active || *p_sel == 'o') && gchar_cursor() == NUL) --curwin->w_cursor.col; } #endif /* * When curwin->w_leftcol has changed, adjust the cursor position. * Return TRUE if the cursor was moved. */ int leftcol_changed(void) { long lastcol; colnr_T s, e; int retval = FALSE; long siso = get_sidescrolloff_value(); changed_cline_bef_curs(); lastcol = curwin->w_leftcol + curwin->w_width - curwin_col_off() - 1; validate_virtcol(); /* * If the cursor is right or left of the screen, move it to last or first * character. */ if (curwin->w_virtcol > (colnr_T)(lastcol - siso)) { retval = TRUE; coladvance((colnr_T)(lastcol - siso)); } else if (curwin->w_virtcol < curwin->w_leftcol + siso) { retval = TRUE; (void)coladvance((colnr_T)(curwin->w_leftcol + siso)); } /* * If the start of the character under the cursor is not on the screen, * advance the cursor one more char. If this fails (last char of the * line) adjust the scrolling. */ getvvcol(curwin, &curwin->w_cursor, &s, NULL, &e); if (e > (colnr_T)lastcol) { retval = TRUE; coladvance(s - 1); } else if (s < curwin->w_leftcol) { retval = TRUE; if (coladvance(e + 1) == FAIL) // there isn't another character { curwin->w_leftcol = s; // adjust w_leftcol instead changed_cline_bef_curs(); } } if (retval) curwin->w_set_curswant = TRUE; redraw_later(NOT_VALID); return retval; } /* * Isolate one part of a string option where parts are separated with * "sep_chars". * The part is copied into "buf[maxlen]". * "*option" is advanced to the next part. * The length is returned. */ int copy_option_part( char_u **option, char_u *buf, int maxlen, char *sep_chars) { int len = 0; char_u *p = *option; // skip '.' at start of option part, for 'suffixes' if (*p == '.') buf[len++] = *p++; while (*p != NUL && vim_strchr((char_u *)sep_chars, *p) == NULL) { /* * Skip backslash before a separator character and space. */ if (p[0] == '\\' && vim_strchr((char_u *)sep_chars, p[1]) != NULL) ++p; if (len < maxlen - 1) buf[len++] = *p; ++p; } buf[len] = NUL; if (*p != NUL && *p != ',') // skip non-standard separator ++p; p = skip_to_option_part(p); // p points to next file name *option = p; return len; } #ifndef HAVE_MEMSET void * vim_memset(void *ptr, int c, size_t size) { char *p = ptr; while (size-- > 0) *p++ = c; return ptr; } #endif /* * Vim has its own isspace() function, because on some machines isspace() * can't handle characters above 128. */ int vim_isspace(int x) { return ((x >= 9 && x <= 13) || x == ' '); } /************************************************************************ * functions that use lookup tables for various things, generally to do with * special key codes. */ /* * Some useful tables. */ static struct modmasktable { short mod_mask; // Bit-mask for particular key modifier short mod_flag; // Bit(s) for particular key modifier char_u name; // Single letter name of modifier } mod_mask_table[] = { {MOD_MASK_ALT, MOD_MASK_ALT, (char_u)'M'}, {MOD_MASK_META, MOD_MASK_META, (char_u)'T'}, {MOD_MASK_CTRL, MOD_MASK_CTRL, (char_u)'C'}, {MOD_MASK_SHIFT, MOD_MASK_SHIFT, (char_u)'S'}, {MOD_MASK_MULTI_CLICK, MOD_MASK_2CLICK, (char_u)'2'}, {MOD_MASK_MULTI_CLICK, MOD_MASK_3CLICK, (char_u)'3'}, {MOD_MASK_MULTI_CLICK, MOD_MASK_4CLICK, (char_u)'4'}, #ifdef MACOS_X {MOD_MASK_CMD, MOD_MASK_CMD, (char_u)'D'}, #endif // 'A' must be the last one {MOD_MASK_ALT, MOD_MASK_ALT, (char_u)'A'}, {0, 0, NUL} // NOTE: when adding an entry, update MAX_KEY_NAME_LEN! }; /* * Shifted key terminal codes and their unshifted equivalent. * Don't add mouse codes here, they are handled separately! */ #define MOD_KEYS_ENTRY_SIZE 5 static char_u modifier_keys_table[] = { // mod mask with modifier without modifier MOD_MASK_SHIFT, '&', '9', '@', '1', // begin MOD_MASK_SHIFT, '&', '0', '@', '2', // cancel MOD_MASK_SHIFT, '*', '1', '@', '4', // command MOD_MASK_SHIFT, '*', '2', '@', '5', // copy MOD_MASK_SHIFT, '*', '3', '@', '6', // create MOD_MASK_SHIFT, '*', '4', 'k', 'D', // delete char MOD_MASK_SHIFT, '*', '5', 'k', 'L', // delete line MOD_MASK_SHIFT, '*', '7', '@', '7', // end MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_END, '@', '7', // end MOD_MASK_SHIFT, '*', '9', '@', '9', // exit MOD_MASK_SHIFT, '*', '0', '@', '0', // find MOD_MASK_SHIFT, '#', '1', '%', '1', // help MOD_MASK_SHIFT, '#', '2', 'k', 'h', // home MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_HOME, 'k', 'h', // home MOD_MASK_SHIFT, '#', '3', 'k', 'I', // insert MOD_MASK_SHIFT, '#', '4', 'k', 'l', // left arrow MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_LEFT, 'k', 'l', // left arrow MOD_MASK_SHIFT, '%', 'a', '%', '3', // message MOD_MASK_SHIFT, '%', 'b', '%', '4', // move MOD_MASK_SHIFT, '%', 'c', '%', '5', // next MOD_MASK_SHIFT, '%', 'd', '%', '7', // options MOD_MASK_SHIFT, '%', 'e', '%', '8', // previous MOD_MASK_SHIFT, '%', 'f', '%', '9', // print MOD_MASK_SHIFT, '%', 'g', '%', '0', // redo MOD_MASK_SHIFT, '%', 'h', '&', '3', // replace MOD_MASK_SHIFT, '%', 'i', 'k', 'r', // right arr. MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_RIGHT, 'k', 'r', // right arr. MOD_MASK_SHIFT, '%', 'j', '&', '5', // resume MOD_MASK_SHIFT, '!', '1', '&', '6', // save MOD_MASK_SHIFT, '!', '2', '&', '7', // suspend MOD_MASK_SHIFT, '!', '3', '&', '8', // undo MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_UP, 'k', 'u', // up arrow MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_DOWN, 'k', 'd', // down arrow // vt100 F1 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF1, KS_EXTRA, (int)KE_XF1, MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF2, KS_EXTRA, (int)KE_XF2, MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF3, KS_EXTRA, (int)KE_XF3, MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF4, KS_EXTRA, (int)KE_XF4, MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F1, 'k', '1', // F1 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F2, 'k', '2', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F3, 'k', '3', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F4, 'k', '4', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F5, 'k', '5', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F6, 'k', '6', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F7, 'k', '7', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F8, 'k', '8', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F9, 'k', '9', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F10, 'k', ';', // F10 MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F11, 'F', '1', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F12, 'F', '2', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F13, 'F', '3', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F14, 'F', '4', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F15, 'F', '5', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F16, 'F', '6', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F17, 'F', '7', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F18, 'F', '8', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F19, 'F', '9', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F20, 'F', 'A', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F21, 'F', 'B', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F22, 'F', 'C', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F23, 'F', 'D', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F24, 'F', 'E', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F25, 'F', 'F', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F26, 'F', 'G', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F27, 'F', 'H', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F28, 'F', 'I', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F29, 'F', 'J', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F30, 'F', 'K', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F31, 'F', 'L', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F32, 'F', 'M', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F33, 'F', 'N', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F34, 'F', 'O', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F35, 'F', 'P', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F36, 'F', 'Q', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F37, 'F', 'R', // TAB pseudo code MOD_MASK_SHIFT, 'k', 'B', KS_EXTRA, (int)KE_TAB, NUL }; static struct key_name_entry { int key; // Special key code or ascii value char_u *name; // Name of key } key_names_table[] = { {' ', (char_u *)"Space"}, {TAB, (char_u *)"Tab"}, {K_TAB, (char_u *)"Tab"}, {NL, (char_u *)"NL"}, {NL, (char_u *)"NewLine"}, // Alternative name {NL, (char_u *)"LineFeed"}, // Alternative name {NL, (char_u *)"LF"}, // Alternative name {CAR, (char_u *)"CR"}, {CAR, (char_u *)"Return"}, // Alternative name {CAR, (char_u *)"Enter"}, // Alternative name {K_BS, (char_u *)"BS"}, {K_BS, (char_u *)"BackSpace"}, // Alternative name {ESC, (char_u *)"Esc"}, {CSI, (char_u *)"CSI"}, {K_CSI, (char_u *)"xCSI"}, {'|', (char_u *)"Bar"}, {'\\', (char_u *)"Bslash"}, {K_DEL, (char_u *)"Del"}, {K_DEL, (char_u *)"Delete"}, // Alternative name {K_KDEL, (char_u *)"kDel"}, {K_UP, (char_u *)"Up"}, {K_DOWN, (char_u *)"Down"}, {K_LEFT, (char_u *)"Left"}, {K_RIGHT, (char_u *)"Right"}, {K_XUP, (char_u *)"xUp"}, {K_XDOWN, (char_u *)"xDown"}, {K_XLEFT, (char_u *)"xLeft"}, {K_XRIGHT, (char_u *)"xRight"}, {K_PS, (char_u *)"PasteStart"}, {K_PE, (char_u *)"PasteEnd"}, {K_F1, (char_u *)"F1"}, {K_F2, (char_u *)"F2"}, {K_F3, (char_u *)"F3"}, {K_F4, (char_u *)"F4"}, {K_F5, (char_u *)"F5"}, {K_F6, (char_u *)"F6"}, {K_F7, (char_u *)"F7"}, {K_F8, (char_u *)"F8"}, {K_F9, (char_u *)"F9"}, {K_F10, (char_u *)"F10"}, {K_F11, (char_u *)"F11"}, {K_F12, (char_u *)"F12"}, {K_F13, (char_u *)"F13"}, {K_F14, (char_u *)"F14"}, {K_F15, (char_u *)"F15"}, {K_F16, (char_u *)"F16"}, {K_F17, (char_u *)"F17"}, {K_F18, (char_u *)"F18"}, {K_F19, (char_u *)"F19"}, {K_F20, (char_u *)"F20"}, {K_F21, (char_u *)"F21"}, {K_F22, (char_u *)"F22"}, {K_F23, (char_u *)"F23"}, {K_F24, (char_u *)"F24"}, {K_F25, (char_u *)"F25"}, {K_F26, (char_u *)"F26"}, {K_F27, (char_u *)"F27"}, {K_F28, (char_u *)"F28"}, {K_F29, (char_u *)"F29"}, {K_F30, (char_u *)"F30"}, {K_F31, (char_u *)"F31"}, {K_F32, (char_u *)"F32"}, {K_F33, (char_u *)"F33"}, {K_F34, (char_u *)"F34"}, {K_F35, (char_u *)"F35"}, {K_F36, (char_u *)"F36"}, {K_F37, (char_u *)"F37"}, {K_XF1, (char_u *)"xF1"}, {K_XF2, (char_u *)"xF2"}, {K_XF3, (char_u *)"xF3"}, {K_XF4, (char_u *)"xF4"}, {K_HELP, (char_u *)"Help"}, {K_UNDO, (char_u *)"Undo"}, {K_INS, (char_u *)"Insert"}, {K_INS, (char_u *)"Ins"}, // Alternative name {K_KINS, (char_u *)"kInsert"}, {K_HOME, (char_u *)"Home"}, {K_KHOME, (char_u *)"kHome"}, {K_XHOME, (char_u *)"xHome"}, {K_ZHOME, (char_u *)"zHome"}, {K_END, (char_u *)"End"}, {K_KEND, (char_u *)"kEnd"}, {K_XEND, (char_u *)"xEnd"}, {K_ZEND, (char_u *)"zEnd"}, {K_PAGEUP, (char_u *)"PageUp"}, {K_PAGEDOWN, (char_u *)"PageDown"}, {K_KPAGEUP, (char_u *)"kPageUp"}, {K_KPAGEDOWN, (char_u *)"kPageDown"}, {K_KPLUS, (char_u *)"kPlus"}, {K_KMINUS, (char_u *)"kMinus"}, {K_KDIVIDE, (char_u *)"kDivide"}, {K_KMULTIPLY, (char_u *)"kMultiply"}, {K_KENTER, (char_u *)"kEnter"}, {K_KPOINT, (char_u *)"kPoint"}, {K_K0, (char_u *)"k0"}, {K_K1, (char_u *)"k1"}, {K_K2, (char_u *)"k2"}, {K_K3, (char_u *)"k3"}, {K_K4, (char_u *)"k4"}, {K_K5, (char_u *)"k5"}, {K_K6, (char_u *)"k6"}, {K_K7, (char_u *)"k7"}, {K_K8, (char_u *)"k8"}, {K_K9, (char_u *)"k9"}, {'<', (char_u *)"lt"}, {K_MOUSE, (char_u *)"Mouse"}, #ifdef FEAT_MOUSE_NET {K_NETTERM_MOUSE, (char_u *)"NetMouse"}, #endif #ifdef FEAT_MOUSE_DEC {K_DEC_MOUSE, (char_u *)"DecMouse"}, #endif #ifdef FEAT_MOUSE_JSB {K_JSBTERM_MOUSE, (char_u *)"JsbMouse"}, #endif #ifdef FEAT_MOUSE_PTERM {K_PTERM_MOUSE, (char_u *)"PtermMouse"}, #endif #ifdef FEAT_MOUSE_URXVT {K_URXVT_MOUSE, (char_u *)"UrxvtMouse"}, #endif {K_SGR_MOUSE, (char_u *)"SgrMouse"}, {K_SGR_MOUSERELEASE, (char_u *)"SgrMouseRelease"}, {K_LEFTMOUSE, (char_u *)"LeftMouse"}, {K_LEFTMOUSE_NM, (char_u *)"LeftMouseNM"}, {K_LEFTDRAG, (char_u *)"LeftDrag"}, {K_LEFTRELEASE, (char_u *)"LeftRelease"}, {K_LEFTRELEASE_NM, (char_u *)"LeftReleaseNM"}, {K_MOUSEMOVE, (char_u *)"MouseMove"}, {K_MIDDLEMOUSE, (char_u *)"MiddleMouse"}, {K_MIDDLEDRAG, (char_u *)"MiddleDrag"}, {K_MIDDLERELEASE, (char_u *)"MiddleRelease"}, {K_RIGHTMOUSE, (char_u *)"RightMouse"}, {K_RIGHTDRAG, (char_u *)"RightDrag"}, {K_RIGHTRELEASE, (char_u *)"RightRelease"}, {K_MOUSEDOWN, (char_u *)"ScrollWheelUp"}, {K_MOUSEUP, (char_u *)"ScrollWheelDown"}, {K_MOUSELEFT, (char_u *)"ScrollWheelRight"}, {K_MOUSERIGHT, (char_u *)"ScrollWheelLeft"}, {K_MOUSEDOWN, (char_u *)"MouseDown"}, // OBSOLETE: Use {K_MOUSEUP, (char_u *)"MouseUp"}, // ScrollWheelXXX instead {K_X1MOUSE, (char_u *)"X1Mouse"}, {K_X1DRAG, (char_u *)"X1Drag"}, {K_X1RELEASE, (char_u *)"X1Release"}, {K_X2MOUSE, (char_u *)"X2Mouse"}, {K_X2DRAG, (char_u *)"X2Drag"}, {K_X2RELEASE, (char_u *)"X2Release"}, {K_DROP, (char_u *)"Drop"}, {K_ZERO, (char_u *)"Nul"}, #ifdef FEAT_EVAL {K_SNR, (char_u *)"SNR"}, #endif {K_PLUG, (char_u *)"Plug"}, {K_CURSORHOLD, (char_u *)"CursorHold"}, {K_IGNORE, (char_u *)"Ignore"}, {K_COMMAND, (char_u *)"Cmd"}, {K_SCRIPT_COMMAND, (char_u *)"ScriptCmd"}, {K_FOCUSGAINED, (char_u *)"FocusGained"}, {K_FOCUSLOST, (char_u *)"FocusLost"}, {0, NULL} // NOTE: When adding a long name update MAX_KEY_NAME_LEN. }; #define KEY_NAMES_TABLE_LEN ARRAY_LENGTH(key_names_table) /* * Return the modifier mask bit (MOD_MASK_*) which corresponds to the given * modifier name ('S' for Shift, 'C' for Ctrl etc). */ static int name_to_mod_mask(int c) { int i; c = TOUPPER_ASC(c); for (i = 0; mod_mask_table[i].mod_mask != 0; i++) if (c == mod_mask_table[i].name) return mod_mask_table[i].mod_flag; return 0; } /* * Check if if there is a special key code for "key" that includes the * modifiers specified. */ int simplify_key(int key, int *modifiers) { int i; int key0; int key1; if (*modifiers & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT)) { // TAB is a special case if (key == TAB && (*modifiers & MOD_MASK_SHIFT)) { *modifiers &= ~MOD_MASK_SHIFT; return K_S_TAB; } key0 = KEY2TERMCAP0(key); key1 = KEY2TERMCAP1(key); for (i = 0; modifier_keys_table[i] != NUL; i += MOD_KEYS_ENTRY_SIZE) if (key0 == modifier_keys_table[i + 3] && key1 == modifier_keys_table[i + 4] && (*modifiers & modifier_keys_table[i])) { *modifiers &= ~modifier_keys_table[i]; return TERMCAP2KEY(modifier_keys_table[i + 1], modifier_keys_table[i + 2]); } } return key; } /* * Change <xHome> to <Home>, <xUp> to <Up>, etc. */ int handle_x_keys(int key) { switch (key) { case K_XUP: return K_UP; case K_XDOWN: return K_DOWN; case K_XLEFT: return K_LEFT; case K_XRIGHT: return K_RIGHT; case K_XHOME: return K_HOME; case K_ZHOME: return K_HOME; case K_XEND: return K_END; case K_ZEND: return K_END; case K_XF1: return K_F1; case K_XF2: return K_F2; case K_XF3: return K_F3; case K_XF4: return K_F4; case K_S_XF1: return K_S_F1; case K_S_XF2: return K_S_F2; case K_S_XF3: return K_S_F3; case K_S_XF4: return K_S_F4; } return key; } /* * Return a string which contains the name of the given key when the given * modifiers are down. */ char_u * get_special_key_name(int c, int modifiers) { static char_u string[MAX_KEY_NAME_LEN + 1]; int i, idx; int table_idx; char_u *s; string[0] = '<'; idx = 1; // Key that stands for a normal character. if (IS_SPECIAL(c) && KEY2TERMCAP0(c) == KS_KEY) c = KEY2TERMCAP1(c); /* * Translate shifted special keys into unshifted keys and set modifier. * Same for CTRL and ALT modifiers. */ if (IS_SPECIAL(c)) { for (i = 0; modifier_keys_table[i] != 0; i += MOD_KEYS_ENTRY_SIZE) if ( KEY2TERMCAP0(c) == (int)modifier_keys_table[i + 1] && (int)KEY2TERMCAP1(c) == (int)modifier_keys_table[i + 2]) { modifiers |= modifier_keys_table[i]; c = TERMCAP2KEY(modifier_keys_table[i + 3], modifier_keys_table[i + 4]); break; } } // try to find the key in the special key table table_idx = find_special_key_in_table(c); /* * When not a known special key, and not a printable character, try to * extract modifiers. */ if (c > 0 && (*mb_char2len)(c) == 1) { if (table_idx < 0 && (!vim_isprintc(c) || (c & 0x7f) == ' ') && (c & 0x80)) { c &= 0x7f; modifiers |= MOD_MASK_ALT; // try again, to find the un-alted key in the special key table table_idx = find_special_key_in_table(c); } if (table_idx < 0 && !vim_isprintc(c) && c < ' ') { c += '@'; modifiers |= MOD_MASK_CTRL; } } // translate the modifier into a string for (i = 0; mod_mask_table[i].name != 'A'; i++) if ((modifiers & mod_mask_table[i].mod_mask) == mod_mask_table[i].mod_flag) { string[idx++] = mod_mask_table[i].name; string[idx++] = (char_u)'-'; } if (table_idx < 0) // unknown special key, may output t_xx { if (IS_SPECIAL(c)) { string[idx++] = 't'; string[idx++] = '_'; string[idx++] = KEY2TERMCAP0(c); string[idx++] = KEY2TERMCAP1(c); } // Not a special key, only modifiers, output directly else { if (has_mbyte && (*mb_char2len)(c) > 1) idx += (*mb_char2bytes)(c, string + idx); else if (vim_isprintc(c)) string[idx++] = c; else { s = transchar(c); while (*s) string[idx++] = *s++; } } } else // use name of special key { size_t len = STRLEN(key_names_table[table_idx].name); if (len + idx + 2 <= MAX_KEY_NAME_LEN) { STRCPY(string + idx, key_names_table[table_idx].name); idx += (int)len; } } string[idx++] = '>'; string[idx] = NUL; return string; } /* * Try translating a <> name at (*srcp)[] to dst[]. * Return the number of characters added to dst[], zero for no match. * If there is a match, srcp is advanced to after the <> name. * dst[] must be big enough to hold the result (up to six characters)! */ int trans_special( char_u **srcp, char_u *dst, int flags, // FSK_ values int escape_ks, // escape K_SPECIAL bytes in the character int *did_simplify) // FSK_SIMPLIFY and found <C-H> or <A-x> { int modifiers = 0; int key; key = find_special_key(srcp, &modifiers, flags, did_simplify); if (key == 0) return 0; return special_to_buf(key, modifiers, escape_ks, dst); } /* * Put the character sequence for "key" with "modifiers" into "dst" and return * the resulting length. * When "escape_ks" is TRUE escape K_SPECIAL bytes in the character. * The sequence is not NUL terminated. * This is how characters in a string are encoded. */ int special_to_buf(int key, int modifiers, int escape_ks, char_u *dst) { int dlen = 0; // Put the appropriate modifier in a string if (modifiers != 0) { dst[dlen++] = K_SPECIAL; dst[dlen++] = KS_MODIFIER; dst[dlen++] = modifiers; } if (IS_SPECIAL(key)) { dst[dlen++] = K_SPECIAL; dst[dlen++] = KEY2TERMCAP0(key); dst[dlen++] = KEY2TERMCAP1(key); } else if (escape_ks) dlen = (int)(add_char2buf(key, dst + dlen) - dst); else if (has_mbyte) dlen += (*mb_char2bytes)(key, dst + dlen); else dst[dlen++] = key; return dlen; } /* * Try translating a <> name at (*srcp)[], return the key and modifiers. * srcp is advanced to after the <> name. * returns 0 if there is no match. */ int find_special_key( char_u **srcp, int *modp, int flags, // FSK_ values int *did_simplify) // found <C-H> or <A-x> { char_u *last_dash; char_u *end_of_name; char_u *src; char_u *bp; int in_string = flags & FSK_IN_STRING; int modifiers; int bit; int key; uvarnumber_T n; int l; src = *srcp; if (src[0] != '<') return 0; if (src[1] == '*') // <*xxx>: do not simplify ++src; // Find end of modifier list last_dash = src; for (bp = src + 1; *bp == '-' || vim_isNormalIDc(*bp); bp++) { if (*bp == '-') { last_dash = bp; if (bp[1] != NUL) { if (has_mbyte) l = mb_ptr2len(bp + 1); else l = 1; // Anything accepted, like <C-?>. // <C-"> or <M-"> are not special in strings as " is // the string delimiter. With a backslash it works: <M-\"> if (!(in_string && bp[1] == '"') && bp[l + 1] == '>') bp += l; else if (in_string && bp[1] == '\\' && bp[2] == '"' && bp[3] == '>') bp += 2; } } if (bp[0] == 't' && bp[1] == '_' && bp[2] && bp[3]) bp += 3; // skip t_xx, xx may be '-' or '>' else if (STRNICMP(bp, "char-", 5) == 0) { vim_str2nr(bp + 5, NULL, &l, STR2NR_ALL, NULL, NULL, 0, TRUE); if (l == 0) { emsg(_(e_invalid_argument)); return 0; } bp += l + 5; break; } } if (*bp == '>') // found matching '>' { end_of_name = bp + 1; // Which modifiers are given? modifiers = 0x0; for (bp = src + 1; bp < last_dash; bp++) { if (*bp != '-') { bit = name_to_mod_mask(*bp); if (bit == 0x0) break; // Illegal modifier name modifiers |= bit; } } /* * Legal modifier name. */ if (bp >= last_dash) { if (STRNICMP(last_dash + 1, "char-", 5) == 0 && VIM_ISDIGIT(last_dash[6])) { // <Char-123> or <Char-033> or <Char-0x33> vim_str2nr(last_dash + 6, NULL, &l, STR2NR_ALL, NULL, &n, 0, TRUE); if (l == 0) { emsg(_(e_invalid_argument)); return 0; } key = (int)n; } else { int off = 1; // Modifier with single letter, or special key name. if (in_string && last_dash[1] == '\\' && last_dash[2] == '"') off = 2; if (has_mbyte) l = mb_ptr2len(last_dash + off); else l = 1; if (modifiers != 0 && last_dash[l + off] == '>') key = PTR2CHAR(last_dash + off); else { key = get_special_key_code(last_dash + off); if (!(flags & FSK_KEEP_X_KEY)) key = handle_x_keys(key); } } /* * get_special_key_code() may return NUL for invalid * special key name. */ if (key != NUL) { /* * Only use a modifier when there is no special key code that * includes the modifier. */ key = simplify_key(key, &modifiers); if (!(flags & FSK_KEYCODE)) { // don't want keycode, use single byte code if (key == K_BS) key = BS; else if (key == K_DEL || key == K_KDEL) key = DEL; } // Normal Key with modifier: Try to make a single byte code. if (!IS_SPECIAL(key)) key = extract_modifiers(key, &modifiers, flags & FSK_SIMPLIFY, did_simplify); *modp = modifiers; *srcp = end_of_name; return key; } } } return 0; } /* * Some keys are used with Ctrl without Shift and are still expected to be * mapped as if Shift was pressed: * CTRL-2 is CTRL-@ * CTRL-6 is CTRL-^ * CTRL-- is CTRL-_ * Also, <C-H> and <C-h> mean the same thing, always use "H". * Returns the possibly adjusted key. */ int may_adjust_key_for_ctrl(int modifiers, int key) { if (modifiers & MOD_MASK_CTRL) { if (ASCII_ISALPHA(key)) return TOUPPER_ASC(key); if (key == '2') return '@'; if (key == '6') return '^'; if (key == '-') return '_'; } return key; } /* * Some keys already have Shift included, pass them as normal keys. * When Ctrl is also used <C-H> and <C-S-H> are different, but <C-S-{> should * be <C-{>. Same for <C-S-}> and <C-S-|>. * Also for <A-S-a> and <M-S-a>. * This includes all printable ASCII characters except numbers and a-z. */ int may_remove_shift_modifier(int modifiers, int key) { if ((modifiers == MOD_MASK_SHIFT || modifiers == (MOD_MASK_SHIFT | MOD_MASK_ALT) || modifiers == (MOD_MASK_SHIFT | MOD_MASK_META)) && ((key >= '!' && key <= '/') || (key >= ':' && key <= 'Z') || (key >= '[' && key <= '`') || (key >= '{' && key <= '~'))) return modifiers & ~MOD_MASK_SHIFT; if (modifiers == (MOD_MASK_SHIFT | MOD_MASK_CTRL) && (key == '{' || key == '}' || key == '|')) return modifiers & ~MOD_MASK_SHIFT; return modifiers; } /* * Try to include modifiers in the key. * Changes "Shift-a" to 'A', "Alt-A" to 0xc0, etc. * When "simplify" is FALSE don't do Ctrl and Alt. * When "simplify" is TRUE and Ctrl or Alt is removed from modifiers set * "did_simplify" when it's not NULL. */ int extract_modifiers(int key, int *modp, int simplify, int *did_simplify) { int modifiers = *modp; #ifdef MACOS_X // Command-key really special, no fancynest if (!(modifiers & MOD_MASK_CMD)) #endif if ((modifiers & MOD_MASK_SHIFT) && ASCII_ISALPHA(key)) { key = TOUPPER_ASC(key); // With <C-S-a> we keep the shift modifier. // With <S-a>, <A-S-a> and <S-A> we don't keep the shift modifier. if (simplify || modifiers == MOD_MASK_SHIFT || modifiers == (MOD_MASK_SHIFT | MOD_MASK_ALT) || modifiers == (MOD_MASK_SHIFT | MOD_MASK_META)) modifiers &= ~MOD_MASK_SHIFT; } // <C-H> and <C-h> mean the same thing, always use "H" if ((modifiers & MOD_MASK_CTRL) && ASCII_ISALPHA(key)) key = TOUPPER_ASC(key); if (simplify && (modifiers & MOD_MASK_CTRL) && ((key >= '?' && key <= '_') || ASCII_ISALPHA(key))) { key = Ctrl_chr(key); modifiers &= ~MOD_MASK_CTRL; // <C-@> is <Nul> if (key == NUL) key = K_ZERO; if (did_simplify != NULL) *did_simplify = TRUE; } #ifdef MACOS_X // Command-key really special, no fancynest if (!(modifiers & MOD_MASK_CMD)) #endif if (simplify && (modifiers & MOD_MASK_ALT) && key < 0x80 && !enc_dbcs) // avoid creating a lead byte { key |= 0x80; modifiers &= ~MOD_MASK_ALT; // remove the META modifier if (did_simplify != NULL) *did_simplify = TRUE; } *modp = modifiers; return key; } /* * Try to find key "c" in the special key table. * Return the index when found, -1 when not found. */ int find_special_key_in_table(int c) { int i; for (i = 0; key_names_table[i].name != NULL; i++) if (c == key_names_table[i].key) break; if (key_names_table[i].name == NULL) i = -1; return i; } /* * Find the special key with the given name (the given string does not have to * end with NUL, the name is assumed to end before the first non-idchar). * If the name starts with "t_" the next two characters are interpreted as a * termcap name. * Return the key code, or 0 if not found. */ int get_special_key_code(char_u *name) { char_u *table_name; char_u string[3]; int i, j; /* * If it's <t_xx> we get the code for xx from the termcap */ if (name[0] == 't' && name[1] == '_' && name[2] != NUL && name[3] != NUL) { string[0] = name[2]; string[1] = name[3]; string[2] = NUL; if (add_termcap_entry(string, FALSE) == OK) return TERMCAP2KEY(name[2], name[3]); } else for (i = 0; key_names_table[i].name != NULL; i++) { table_name = key_names_table[i].name; for (j = 0; vim_isNormalIDc(name[j]) && table_name[j] != NUL; j++) if (TOLOWER_ASC(table_name[j]) != TOLOWER_ASC(name[j])) break; if (!vim_isNormalIDc(name[j]) && table_name[j] == NUL) return key_names_table[i].key; } return 0; } char_u * get_key_name(int i) { if (i >= (int)KEY_NAMES_TABLE_LEN) return NULL; return key_names_table[i].name; } /* * Return the current end-of-line type: EOL_DOS, EOL_UNIX or EOL_MAC. */ int get_fileformat(buf_T *buf) { int c = *buf->b_p_ff; if (buf->b_p_bin || c == 'u') return EOL_UNIX; if (c == 'm') return EOL_MAC; return EOL_DOS; } /* * Like get_fileformat(), but override 'fileformat' with "p" for "++opt=val" * argument. */ int get_fileformat_force( buf_T *buf, exarg_T *eap) // can be NULL! { int c; if (eap != NULL && eap->force_ff != 0) c = eap->force_ff; else { if ((eap != NULL && eap->force_bin != 0) ? (eap->force_bin == FORCE_BIN) : buf->b_p_bin) return EOL_UNIX; c = *buf->b_p_ff; } if (c == 'u') return EOL_UNIX; if (c == 'm') return EOL_MAC; return EOL_DOS; } /* * Set the current end-of-line type to EOL_DOS, EOL_UNIX or EOL_MAC. * Sets both 'textmode' and 'fileformat'. * Note: Does _not_ set global value of 'textmode'! */ void set_fileformat( int t, int opt_flags) // OPT_LOCAL and/or OPT_GLOBAL { char *p = NULL; switch (t) { case EOL_DOS: p = FF_DOS; curbuf->b_p_tx = TRUE; break; case EOL_UNIX: p = FF_UNIX; curbuf->b_p_tx = FALSE; break; case EOL_MAC: p = FF_MAC; curbuf->b_p_tx = FALSE; break; } if (p != NULL) set_string_option_direct((char_u *)"ff", -1, (char_u *)p, OPT_FREE | opt_flags, 0); // This may cause the buffer to become (un)modified. check_status(curbuf); redraw_tabline = TRUE; need_maketitle = TRUE; // set window title later } /* * Return the default fileformat from 'fileformats'. */ int default_fileformat(void) { switch (*p_ffs) { case 'm': return EOL_MAC; case 'd': return EOL_DOS; } return EOL_UNIX; } /* * Call shell. Calls mch_call_shell, with 'shellxquote' added. */ int call_shell(char_u *cmd, int opt) { char_u *ncmd; int retval; #ifdef FEAT_PROFILE proftime_T wait_time; #endif if (p_verbose > 3) { verbose_enter(); smsg(_("Calling shell to execute: \"%s\""), cmd == NULL ? p_sh : cmd); out_char('\n'); cursor_on(); verbose_leave(); } #ifdef FEAT_PROFILE if (do_profiling == PROF_YES) prof_child_enter(&wait_time); #endif if (*p_sh == NUL) { emsg(_(e_shell_option_is_empty)); retval = -1; } else { #ifdef FEAT_GUI_MSWIN // Don't hide the pointer while executing a shell command. gui_mch_mousehide(FALSE); #endif #ifdef FEAT_GUI ++hold_gui_events; #endif // The external command may update a tags file, clear cached tags. tag_freematch(); if (cmd == NULL || *p_sxq == NUL) retval = mch_call_shell(cmd, opt); else { char_u *ecmd = cmd; if (*p_sxe != NUL && *p_sxq == '(') { ecmd = vim_strsave_escaped_ext(cmd, p_sxe, '^', FALSE); if (ecmd == NULL) ecmd = cmd; } ncmd = alloc(STRLEN(ecmd) + STRLEN(p_sxq) * 2 + 1); if (ncmd != NULL) { STRCPY(ncmd, p_sxq); STRCAT(ncmd, ecmd); // When 'shellxquote' is ( append ). // When 'shellxquote' is "( append )". STRCAT(ncmd, *p_sxq == '(' ? (char_u *)")" : *p_sxq == '"' && *(p_sxq+1) == '(' ? (char_u *)")\"" : p_sxq); retval = mch_call_shell(ncmd, opt); vim_free(ncmd); } else retval = -1; if (ecmd != cmd) vim_free(ecmd); } #ifdef FEAT_GUI --hold_gui_events; #endif /* * Check the window size, in case it changed while executing the * external command. */ shell_resized_check(); } #ifdef FEAT_EVAL set_vim_var_nr(VV_SHELL_ERROR, (long)retval); # ifdef FEAT_PROFILE if (do_profiling == PROF_YES) prof_child_exit(&wait_time); # endif #endif return retval; } /* * MODE_VISUAL, MODE_SELECT and MODE_OP_PENDING State are never set, they are * equal to MODE_NORMAL State with a condition. This function returns the real * State. */ int get_real_state(void) { if (State & MODE_NORMAL) { if (VIsual_active) { if (VIsual_select) return MODE_SELECT; return MODE_VISUAL; } else if (finish_op) return MODE_OP_PENDING; } return State; } /* * Return TRUE if "p" points to just after a path separator. * Takes care of multi-byte characters. * "b" must point to the start of the file name */ int after_pathsep(char_u *b, char_u *p) { return p > b && vim_ispathsep(p[-1]) && (!has_mbyte || (*mb_head_off)(b, p - 1) == 0); } /* * Return TRUE if file names "f1" and "f2" are in the same directory. * "f1" may be a short name, "f2" must be a full path. */ int same_directory(char_u *f1, char_u *f2) { char_u ffname[MAXPATHL]; char_u *t1; char_u *t2; // safety check if (f1 == NULL || f2 == NULL) return FALSE; (void)vim_FullName(f1, ffname, MAXPATHL, FALSE); t1 = gettail_sep(ffname); t2 = gettail_sep(f2); return (t1 - ffname == t2 - f2 && pathcmp((char *)ffname, (char *)f2, (int)(t1 - ffname)) == 0); } #if defined(FEAT_SESSION) || defined(FEAT_AUTOCHDIR) \ || defined(MSWIN) || defined(FEAT_GUI_GTK) \ || defined(FEAT_NETBEANS_INTG) \ || defined(PROTO) /* * Change to a file's directory. * Caller must call shorten_fnames()! * Return OK or FAIL. */ int vim_chdirfile(char_u *fname, char *trigger_autocmd) { char_u old_dir[MAXPATHL]; char_u new_dir[MAXPATHL]; if (mch_dirname(old_dir, MAXPATHL) != OK) *old_dir = NUL; vim_strncpy(new_dir, fname, MAXPATHL - 1); *gettail_sep(new_dir) = NUL; if (pathcmp((char *)old_dir, (char *)new_dir, -1) == 0) // nothing to do return OK; if (trigger_autocmd != NULL) trigger_DirChangedPre((char_u *)trigger_autocmd, new_dir); if (mch_chdir((char *)new_dir) != 0) return FAIL; if (trigger_autocmd != NULL) apply_autocmds(EVENT_DIRCHANGED, (char_u *)trigger_autocmd, new_dir, FALSE, curbuf); return OK; } #endif #if defined(STAT_IGNORES_SLASH) || defined(PROTO) /* * Check if "name" ends in a slash and is not a directory. * Used for systems where stat() ignores a trailing slash on a file name. * The Vim code assumes a trailing slash is only ignored for a directory. */ static int illegal_slash(const char *name) { if (name[0] == NUL) return FALSE; // no file name is not illegal if (name[strlen(name) - 1] != '/') return FALSE; // no trailing slash if (mch_isdir((char_u *)name)) return FALSE; // trailing slash for a directory return TRUE; } /* * Special implementation of mch_stat() for Solaris. */ int vim_stat(const char *name, stat_T *stp) { // On Solaris stat() accepts "file/" as if it was "file". Return -1 if // the name ends in "/" and it's not a directory. return illegal_slash(name) ? -1 : stat(name, stp); } #endif #if defined(CURSOR_SHAPE) || defined(PROTO) /* * Handling of cursor and mouse pointer shapes in various modes. */ cursorentry_T shape_table[SHAPE_IDX_COUNT] = { // The values will be filled in from the 'guicursor' and 'mouseshape' // defaults when Vim starts. // Adjust the SHAPE_IDX_ defines when making changes! {0, 0, 0, 700L, 400L, 250L, 0, 0, "n", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "v", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "i", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "r", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "c", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "ci", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "cr", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "o", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "ve", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "e", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "s", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "sd", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "vs", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "vd", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "m", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "ml", SHAPE_MOUSE}, {0, 0, 0, 100L, 100L, 100L, 0, 0, "sm", SHAPE_CURSOR}, }; #ifdef FEAT_MOUSESHAPE /* * Table with names for mouse shapes. Keep in sync with all the tables for * mch_set_mouse_shape()!. */ static char * mshape_names[] = { "arrow", // default, must be the first one "blank", // hidden "beam", "updown", "udsizing", "leftright", "lrsizing", "busy", "no", "crosshair", "hand1", "hand2", "pencil", "question", "rightup-arrow", "up-arrow", NULL }; #endif /* * Parse the 'guicursor' option ("what" is SHAPE_CURSOR) or 'mouseshape' * ("what" is SHAPE_MOUSE). * Returns error message for an illegal option, NULL otherwise. */ char * parse_shape_opt(int what) { char_u *modep; char_u *colonp; char_u *commap; char_u *slashp; char_u *p, *endp; int idx = 0; // init for GCC int all_idx; int len; int i; long n; int found_ve = FALSE; // found "ve" flag int round; /* * First round: check for errors; second round: do it for real. */ for (round = 1; round <= 2; ++round) { /* * Repeat for all comma separated parts. */ #ifdef FEAT_MOUSESHAPE if (what == SHAPE_MOUSE) modep = p_mouseshape; else #endif modep = p_guicursor; while (*modep != NUL) { colonp = vim_strchr(modep, ':'); commap = vim_strchr(modep, ','); if (colonp == NULL || (commap != NULL && commap < colonp)) return e_missing_colon_2; if (colonp == modep) return e_illegal_mode; /* * Repeat for all mode's before the colon. * For the 'a' mode, we loop to handle all the modes. */ all_idx = -1; while (modep < colonp || all_idx >= 0) { if (all_idx < 0) { // Find the mode. if (modep[1] == '-' || modep[1] == ':') len = 1; else len = 2; if (len == 1 && TOLOWER_ASC(modep[0]) == 'a') all_idx = SHAPE_IDX_COUNT - 1; else { for (idx = 0; idx < SHAPE_IDX_COUNT; ++idx) if (STRNICMP(modep, shape_table[idx].name, len) == 0) break; if (idx == SHAPE_IDX_COUNT || (shape_table[idx].used_for & what) == 0) return e_illegal_mode; if (len == 2 && modep[0] == 'v' && modep[1] == 'e') found_ve = TRUE; } modep += len + 1; } if (all_idx >= 0) idx = all_idx--; else if (round == 2) { #ifdef FEAT_MOUSESHAPE if (what == SHAPE_MOUSE) { // Set the default, for the missing parts shape_table[idx].mshape = 0; } else #endif { // Set the defaults, for the missing parts shape_table[idx].shape = SHAPE_BLOCK; shape_table[idx].blinkwait = 700L; shape_table[idx].blinkon = 400L; shape_table[idx].blinkoff = 250L; } } // Parse the part after the colon for (p = colonp + 1; *p && *p != ','; ) { #ifdef FEAT_MOUSESHAPE if (what == SHAPE_MOUSE) { for (i = 0; ; ++i) { if (mshape_names[i] == NULL) { if (!VIM_ISDIGIT(*p)) return e_illegal_mouseshape; if (round == 2) shape_table[idx].mshape = getdigits(&p) + MSHAPE_NUMBERED; else (void)getdigits(&p); break; } len = (int)STRLEN(mshape_names[i]); if (STRNICMP(p, mshape_names[i], len) == 0) { if (round == 2) shape_table[idx].mshape = i; p += len; break; } } } else // if (what == SHAPE_MOUSE) #endif { /* * First handle the ones with a number argument. */ i = *p; len = 0; if (STRNICMP(p, "ver", 3) == 0) len = 3; else if (STRNICMP(p, "hor", 3) == 0) len = 3; else if (STRNICMP(p, "blinkwait", 9) == 0) len = 9; else if (STRNICMP(p, "blinkon", 7) == 0) len = 7; else if (STRNICMP(p, "blinkoff", 8) == 0) len = 8; if (len != 0) { p += len; if (!VIM_ISDIGIT(*p)) return e_digit_expected; n = getdigits(&p); if (len == 3) // "ver" or "hor" { if (n == 0) return e_illegal_percentage; if (round == 2) { if (TOLOWER_ASC(i) == 'v') shape_table[idx].shape = SHAPE_VER; else shape_table[idx].shape = SHAPE_HOR; shape_table[idx].percentage = n; } } else if (round == 2) { if (len == 9) shape_table[idx].blinkwait = n; else if (len == 7) shape_table[idx].blinkon = n; else shape_table[idx].blinkoff = n; } } else if (STRNICMP(p, "block", 5) == 0) { if (round == 2) shape_table[idx].shape = SHAPE_BLOCK; p += 5; } else // must be a highlight group name then { endp = vim_strchr(p, '-'); if (commap == NULL) // last part { if (endp == NULL) endp = p + STRLEN(p); // find end of part } else if (endp > commap || endp == NULL) endp = commap; slashp = vim_strchr(p, '/'); if (slashp != NULL && slashp < endp) { // "group/langmap_group" i = syn_check_group(p, (int)(slashp - p)); p = slashp + 1; } if (round == 2) { shape_table[idx].id = syn_check_group(p, (int)(endp - p)); shape_table[idx].id_lm = shape_table[idx].id; if (slashp != NULL && slashp < endp) shape_table[idx].id = i; } p = endp; } } // if (what != SHAPE_MOUSE) if (*p == '-') ++p; } } modep = p; if (*modep == ',') ++modep; } } // If the 's' flag is not given, use the 'v' cursor for 's' if (!found_ve) { #ifdef FEAT_MOUSESHAPE if (what == SHAPE_MOUSE) { shape_table[SHAPE_IDX_VE].mshape = shape_table[SHAPE_IDX_V].mshape; } else #endif { shape_table[SHAPE_IDX_VE].shape = shape_table[SHAPE_IDX_V].shape; shape_table[SHAPE_IDX_VE].percentage = shape_table[SHAPE_IDX_V].percentage; shape_table[SHAPE_IDX_VE].blinkwait = shape_table[SHAPE_IDX_V].blinkwait; shape_table[SHAPE_IDX_VE].blinkon = shape_table[SHAPE_IDX_V].blinkon; shape_table[SHAPE_IDX_VE].blinkoff = shape_table[SHAPE_IDX_V].blinkoff; shape_table[SHAPE_IDX_VE].id = shape_table[SHAPE_IDX_V].id; shape_table[SHAPE_IDX_VE].id_lm = shape_table[SHAPE_IDX_V].id_lm; } } return NULL; } # if defined(MCH_CURSOR_SHAPE) || defined(FEAT_GUI) \ || defined(FEAT_MOUSESHAPE) || defined(PROTO) /* * Return the index into shape_table[] for the current mode. * When "mouse" is TRUE, consider indexes valid for the mouse pointer. */ int get_shape_idx(int mouse) { #ifdef FEAT_MOUSESHAPE if (mouse && (State == MODE_HITRETURN || State == MODE_ASKMORE)) { # ifdef FEAT_GUI int x, y; gui_mch_getmouse(&x, &y); if (Y_2_ROW(y) == Rows - 1) return SHAPE_IDX_MOREL; # endif return SHAPE_IDX_MORE; } if (mouse && drag_status_line) return SHAPE_IDX_SDRAG; if (mouse && drag_sep_line) return SHAPE_IDX_VDRAG; #endif if (!mouse && State == MODE_SHOWMATCH) return SHAPE_IDX_SM; if (State & VREPLACE_FLAG) return SHAPE_IDX_R; if (State & REPLACE_FLAG) return SHAPE_IDX_R; if (State & MODE_INSERT) return SHAPE_IDX_I; if (State & MODE_CMDLINE) { if (cmdline_at_end()) return SHAPE_IDX_C; if (cmdline_overstrike()) return SHAPE_IDX_CR; return SHAPE_IDX_CI; } if (finish_op) return SHAPE_IDX_O; if (VIsual_active) { if (*p_sel == 'e') return SHAPE_IDX_VE; else return SHAPE_IDX_V; } return SHAPE_IDX_N; } #endif # if defined(FEAT_MOUSESHAPE) || defined(PROTO) static int old_mouse_shape = 0; /* * Set the mouse shape: * If "shape" is -1, use shape depending on the current mode, * depending on the current state. * If "shape" is -2, only update the shape when it's CLINE or STATUS (used * when the mouse moves off the status or command line). */ void update_mouseshape(int shape_idx) { int new_mouse_shape; // Only works in GUI mode. if (!gui.in_use || gui.starting) return; // Postpone the updating when more is to come. Speeds up executing of // mappings. if (shape_idx == -1 && char_avail()) { postponed_mouseshape = TRUE; return; } // When ignoring the mouse don't change shape on the statusline. if (*p_mouse == NUL && (shape_idx == SHAPE_IDX_CLINE || shape_idx == SHAPE_IDX_STATUS || shape_idx == SHAPE_IDX_VSEP)) shape_idx = -2; if (shape_idx == -2 && old_mouse_shape != shape_table[SHAPE_IDX_CLINE].mshape && old_mouse_shape != shape_table[SHAPE_IDX_STATUS].mshape && old_mouse_shape != shape_table[SHAPE_IDX_VSEP].mshape) return; if (shape_idx < 0) new_mouse_shape = shape_table[get_shape_idx(TRUE)].mshape; else new_mouse_shape = shape_table[shape_idx].mshape; if (new_mouse_shape != old_mouse_shape) { mch_set_mouse_shape(new_mouse_shape); old_mouse_shape = new_mouse_shape; } postponed_mouseshape = FALSE; } # endif #endif // CURSOR_SHAPE /* * Change directory to "new_dir". If FEAT_SEARCHPATH is defined, search * 'cdpath' for relative directory names, otherwise just mch_chdir(). */ int vim_chdir(char_u *new_dir) { #ifndef FEAT_SEARCHPATH return mch_chdir((char *)new_dir); #else char_u *dir_name; int r; dir_name = find_directory_in_path(new_dir, (int)STRLEN(new_dir), FNAME_MESS, curbuf->b_ffname); if (dir_name == NULL) return -1; r = mch_chdir((char *)dir_name); vim_free(dir_name); return r; #endif } /* * Get user name from machine-specific function. * Returns the user name in "buf[len]". * Some systems are quite slow in obtaining the user name (Windows NT), thus * cache the result. * Returns OK or FAIL. */ int get_user_name(char_u *buf, int len) { if (username == NULL) { if (mch_get_user_name(buf, len) == FAIL) return FAIL; username = vim_strsave(buf); } else vim_strncpy(buf, username, len - 1); return OK; } #if defined(EXITFREE) || defined(PROTO) /* * Free the memory allocated by get_user_name() */ void free_username(void) { vim_free(username); } #endif #ifndef HAVE_QSORT /* * Our own qsort(), for systems that don't have it. * It's simple and slow. From the K&R C book. */ void qsort( void *base, size_t elm_count, size_t elm_size, int (*cmp)(const void *, const void *)) { char_u *buf; char_u *p1; char_u *p2; int i, j; int gap; buf = alloc(elm_size); if (buf == NULL) return; for (gap = elm_count / 2; gap > 0; gap /= 2) for (i = gap; i < elm_count; ++i) for (j = i - gap; j >= 0; j -= gap) { // Compare the elements. p1 = (char_u *)base + j * elm_size; p2 = (char_u *)base + (j + gap) * elm_size; if ((*cmp)((void *)p1, (void *)p2) <= 0) break; // Exchange the elements. mch_memmove(buf, p1, elm_size); mch_memmove(p1, p2, elm_size); mch_memmove(p2, buf, elm_size); } vim_free(buf); } #endif /* * The putenv() implementation below comes from the "screen" program. * Included with permission from Juergen Weigert. * See pty.c for the copyright notice. */ /* * putenv -- put value into environment * * Usage: i = putenv (string) * int i; * char *string; * * where string is of the form <name>=<value>. * Putenv returns 0 normally, -1 on error (not enough core for malloc). * * Putenv may need to add a new name into the environment, or to * associate a value longer than the current value with a particular * name. So, to make life simpler, putenv() copies your entire * environment into the heap (i.e. malloc()) from the stack * (i.e. where it resides when your process is initiated) the first * time you call it. * * (history removed, not very interesting. See the "screen" sources.) */ #if !defined(HAVE_SETENV) && !defined(HAVE_PUTENV) #define EXTRASIZE 5 // increment to add to env. size static int envsize = -1; // current size of environment extern char **environ; // the global which is your env. static int findenv(char *name); // look for a name in the env. static int newenv(void); // copy env. from stack to heap static int moreenv(void); // incr. size of env. int putenv(const char *string) { int i; char *p; if (envsize < 0) { // first time putenv called if (newenv() < 0) // copy env. to heap return -1; } i = findenv((char *)string); // look for name in environment if (i < 0) { // name must be added for (i = 0; environ[i]; i++); if (i >= (envsize - 1)) { // need new slot if (moreenv() < 0) return -1; } p = alloc(strlen(string) + 1); if (p == NULL) // not enough core return -1; environ[i + 1] = 0; // new end of env. } else { // name already in env. p = vim_realloc(environ[i], strlen(string) + 1); if (p == NULL) return -1; } sprintf(p, "%s", string); // copy into env. environ[i] = p; return 0; } static int findenv(char *name) { char *namechar, *envchar; int i, found; found = 0; for (i = 0; environ[i] && !found; i++) { envchar = environ[i]; namechar = name; while (*namechar && *namechar != '=' && (*namechar == *envchar)) { namechar++; envchar++; } found = ((*namechar == '\0' || *namechar == '=') && *envchar == '='); } return found ? i - 1 : -1; } static int newenv(void) { char **env, *elem; int i, esize; for (i = 0; environ[i]; i++) ; esize = i + EXTRASIZE + 1; env = ALLOC_MULT(char *, esize); if (env == NULL) return -1; for (i = 0; environ[i]; i++) { elem = alloc(strlen(environ[i]) + 1); if (elem == NULL) return -1; env[i] = elem; strcpy(elem, environ[i]); } env[i] = 0; environ = env; envsize = esize; return 0; } static int moreenv(void) { int esize; char **env; esize = envsize + EXTRASIZE; env = vim_realloc((char *)environ, esize * sizeof (*env)); if (env == 0) return -1; environ = env; envsize = esize; return 0; } # ifdef USE_VIMPTY_GETENV /* * Used for mch_getenv() for Mac. */ char_u * vimpty_getenv(const char_u *string) { int i; char_u *p; if (envsize < 0) return NULL; i = findenv((char *)string); if (i < 0) return NULL; p = vim_strchr((char_u *)environ[i], '='); return (p + 1); } # endif #endif // !defined(HAVE_SETENV) && !defined(HAVE_PUTENV) #if defined(FEAT_EVAL) || defined(FEAT_SPELL) || defined(PROTO) /* * Return 0 for not writable, 1 for writable file, 2 for a dir which we have * rights to write into. */ int filewritable(char_u *fname) { int retval = 0; #if defined(UNIX) || defined(VMS) int perm = 0; #endif #if defined(UNIX) || defined(VMS) perm = mch_getperm(fname); #endif if ( # ifdef MSWIN mch_writable(fname) && # else # if defined(UNIX) || defined(VMS) (perm & 0222) && # endif # endif mch_access((char *)fname, W_OK) == 0 ) { ++retval; if (mch_isdir(fname)) ++retval; } return retval; } #endif #if defined(FEAT_SPELL) || defined(FEAT_PERSISTENT_UNDO) || defined(PROTO) /* * Read 2 bytes from "fd" and turn them into an int, MSB first. * Returns -1 when encountering EOF. */ int get2c(FILE *fd) { int c, n; n = getc(fd); if (n == EOF) return -1; c = getc(fd); if (c == EOF) return -1; return (n << 8) + c; } /* * Read 3 bytes from "fd" and turn them into an int, MSB first. * Returns -1 when encountering EOF. */ int get3c(FILE *fd) { int c, n; n = getc(fd); if (n == EOF) return -1; c = getc(fd); if (c == EOF) return -1; n = (n << 8) + c; c = getc(fd); if (c == EOF) return -1; return (n << 8) + c; } /* * Read 4 bytes from "fd" and turn them into an int, MSB first. * Returns -1 when encountering EOF. */ int get4c(FILE *fd) { int c; // Use unsigned rather than int otherwise result is undefined // when left-shift sets the MSB. unsigned n; c = getc(fd); if (c == EOF) return -1; n = (unsigned)c; c = getc(fd); if (c == EOF) return -1; n = (n << 8) + (unsigned)c; c = getc(fd); if (c == EOF) return -1; n = (n << 8) + (unsigned)c; c = getc(fd); if (c == EOF) return -1; n = (n << 8) + (unsigned)c; return (int)n; } /* * Read a string of length "cnt" from "fd" into allocated memory. * Returns NULL when out of memory or unable to read that many bytes. */ char_u * read_string(FILE *fd, int cnt) { char_u *str; int i; int c; // allocate memory str = alloc(cnt + 1); if (str != NULL) { // Read the string. Quit when running into the EOF. for (i = 0; i < cnt; ++i) { c = getc(fd); if (c == EOF) { vim_free(str); return NULL; } str[i] = c; } str[i] = NUL; } return str; } /* * Write a number to file "fd", MSB first, in "len" bytes. */ int put_bytes(FILE *fd, long_u nr, int len) { int i; for (i = len - 1; i >= 0; --i) if (putc((int)(nr >> (i * 8)), fd) == EOF) return FAIL; return OK; } #endif #ifndef PROTO // proto is defined in vim.h # ifdef ELAPSED_TIMEVAL /* * Return time in msec since "start_tv". */ long elapsed(struct timeval *start_tv) { struct timeval now_tv; gettimeofday(&now_tv, NULL); return (now_tv.tv_sec - start_tv->tv_sec) * 1000L + (now_tv.tv_usec - start_tv->tv_usec) / 1000L; } # endif # ifdef ELAPSED_TICKCOUNT /* * Return time in msec since "start_tick". */ long elapsed(DWORD start_tick) { DWORD now = GetTickCount(); return (long)now - (long)start_tick; } # endif #endif #if defined(FEAT_JOB_CHANNEL) \ || (defined(UNIX) && (!defined(USE_SYSTEM) \ || (defined(FEAT_GUI) && defined(FEAT_TERMINAL)))) \ || defined(PROTO) /* * Parse "cmd" and put the white-separated parts in "argv". * "argv" is an allocated array with "argc" entries and room for 4 more. * Returns FAIL when out of memory. */ int mch_parse_cmd(char_u *cmd, int use_shcf, char ***argv, int *argc) { int i; char_u *p, *d; int inquote; /* * Do this loop twice: * 1: find number of arguments * 2: separate them and build argv[] */ for (i = 1; i <= 2; ++i) { p = skipwhite(cmd); inquote = FALSE; *argc = 0; while (*p != NUL) { if (i == 2) (*argv)[*argc] = (char *)p; ++*argc; d = p; while (*p != NUL && (inquote || (*p != ' ' && *p != TAB))) { if (p[0] == '"') // quotes surrounding an argument and are dropped inquote = !inquote; else { if (rem_backslash(p)) { // First pass: skip over "\ " and "\"". // Second pass: Remove the backslash. ++p; } if (i == 2) *d++ = *p; } ++p; } if (*p == NUL) { if (i == 2) *d++ = NUL; break; } if (i == 2) *d++ = NUL; p = skipwhite(p + 1); } if (*argv == NULL) { if (use_shcf) { // Account for possible multiple args in p_shcf. p = p_shcf; for (;;) { p = skiptowhite(p); if (*p == NUL) break; ++*argc; p = skipwhite(p); } } *argv = ALLOC_MULT(char *, *argc + 4); if (*argv == NULL) // out of memory return FAIL; } } return OK; } /* * Build "argv[argc]" from the string "cmd". * "argv[argc]" is set to NULL; * Return FAIL when out of memory. */ int build_argv_from_string(char_u *cmd, char ***argv, int *argc) { char_u *cmd_copy; int i; // Make a copy, parsing will modify "cmd". cmd_copy = vim_strsave(cmd); if (cmd_copy == NULL || mch_parse_cmd(cmd_copy, FALSE, argv, argc) == FAIL) { vim_free(cmd_copy); return FAIL; } for (i = 0; i < *argc; i++) (*argv)[i] = (char *)vim_strsave((char_u *)(*argv)[i]); (*argv)[*argc] = NULL; vim_free(cmd_copy); return OK; } # if defined(FEAT_JOB_CHANNEL) || defined(PROTO) /* * Build "argv[argc]" from the list "l". * "argv[argc]" is set to NULL; * Return FAIL when out of memory. */ int build_argv_from_list(list_T *l, char ***argv, int *argc) { listitem_T *li; char_u *s; // Pass argv[] to mch_call_shell(). *argv = ALLOC_MULT(char *, l->lv_len + 1); if (*argv == NULL) return FAIL; *argc = 0; FOR_ALL_LIST_ITEMS(l, li) { s = tv_get_string_chk(&li->li_tv); if (s == NULL) { int i; for (i = 0; i < *argc; ++i) VIM_CLEAR((*argv)[i]); (*argv)[0] = NULL; return FAIL; } (*argv)[*argc] = (char *)vim_strsave(s); *argc += 1; } (*argv)[*argc] = NULL; return OK; } # endif #endif /* * Change the behavior of vterm. * 0: As usual. * 1: Windows 10 version 1809 * The bug causes unstable handling of ambiguous width character. * 2: Windows 10 version 1903 & 1909 * Use the wrong result because each result is different. * 3: Windows 10 insider preview (current latest logic) */ int get_special_pty_type(void) { #ifdef MSWIN return get_conpty_type(); #else return 0; #endif }