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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.
- */
-
- /*
- * ex_getln.c: Functions for entering and editing an Ex command line.
- */
-
- #include "vim.h"
-
- /*
- * Variables shared between getcmdline(), redrawcmdline() and others.
- * These need to be saved when using CTRL-R |, that's why they are in a
- * structure.
- */
- struct cmdline_info
- {
- char_u *cmdbuff; /* pointer to command line buffer */
- int cmdbufflen; /* length of cmdbuff */
- int cmdlen; /* number of chars in command line */
- int cmdpos; /* current cursor position */
- int cmdspos; /* cursor column on screen */
- int cmdfirstc; /* ':', '/', '?', '=' or NUL */
- int cmdindent; /* number of spaces before cmdline */
- char_u *cmdprompt; /* message in front of cmdline */
- int cmdattr; /* attributes for prompt */
- int overstrike; /* Typing mode on the command line. Shared by
- getcmdline() and put_on_cmdline(). */
- };
-
- static struct cmdline_info ccline; /* current cmdline_info */
-
- static int cmd_numfiles = -1; /* number of files found by
- file name completion */
- static char_u **cmd_files = NULL; /* list of files */
-
- #ifdef FEAT_CMDHIST
- typedef struct hist_entry
- {
- int hisnum; /* identifying number */
- char_u *hisstr; /* actual entry */
- } histentry_T;
-
- static histentry_T *(history[HIST_COUNT]) = {NULL, NULL, NULL, NULL, NULL};
- static int hisidx[HIST_COUNT] = {-1, -1, -1, -1, -1}; /* lastused entry */
- static int hisnum[HIST_COUNT] = {0, 0, 0, 0, 0};
- /* identifying (unique) number of newest history entry */
- static int hislen = 0; /* actual length of history tables */
-
- static int hist_char2type __ARGS((int c));
- static void init_history __ARGS((void));
-
- static int in_history __ARGS((int, char_u *, int));
- # ifdef FEAT_EVAL
- static int calc_hist_idx __ARGS((int histype, int num));
- # endif
- #endif
-
- #ifdef FEAT_RIGHTLEFT
- static int cmd_hkmap = 0; /* Hebrew mapping during command line */
- #endif
-
- #ifdef FEAT_FKMAP
- static int cmd_fkmap = 0; /* Farsi mapping during command line */
- #endif
-
- static int cmdline_charsize __ARGS((int idx));
- static void set_cmdspos __ARGS((void));
- static void set_cmdspos_cursor __ARGS((void));
- static void alloc_cmdbuff __ARGS((int len));
- static int realloc_cmdbuff __ARGS((int len));
- #ifdef FEAT_WILDMENU
- static void cmdline_del __ARGS((int from));
- #endif
- static void redrawcmdprompt __ARGS((void));
- static void cursorcmd __ARGS((void));
- static int ccheck_abbr __ARGS((int));
- static int nextwild __ARGS((expand_T *xp, int type, int options));
- static int showmatches __ARGS((expand_T *xp, int wildmenu));
- static void set_expand_context __ARGS((expand_T *xp));
- static int ExpandFromContext __ARGS((expand_T *xp, char_u *, int *, char_u ***, int));
- #ifdef FEAT_CMDL_COMPL
- static int ExpandRTDir __ARGS((char_u *pat, int *num_file, char_u ***file, char *dirname));
- #endif
-
- #ifdef FEAT_CMDWIN
- static int ex_window __ARGS((void));
- #endif
-
- /*
- * getcmdline() - accept a command line starting with firstc.
- *
- * firstc == ':' get ":" command line.
- * firstc == '/' or '?' get search pattern
- * firstc == '=' get expression
- * firstc == '@' get text for input() function
- * firstc == '>' get text for debug mode
- * firstc == NUL get text for :insert command
- * firstc == -1 like NUL, and break on CTRL-C
- *
- * The line is collected in ccline.cmdbuff, which is reallocated to fit the
- * command line.
- *
- * Careful: getcmdline() can be called recursively!
- *
- * Return pointer to allocated string if there is a commandline, NULL
- * otherwise.
- */
- /*ARGSUSED*/
- char_u *
- getcmdline(firstc, count, indent)
- int firstc;
- long count; /* only used for incremental search */
- int indent; /* indent for inside conditionals */
- {
- int c;
- int i;
- int j;
- int gotesc = FALSE; /* TRUE when <ESC> just typed */
- int do_abbr; /* when TRUE check for abbr. */
- #ifdef FEAT_CMDHIST
- char_u *lookfor = NULL; /* string to match */
- int hiscnt; /* current history line in use */
- int histype; /* history type to be used */
- #endif
- #ifdef FEAT_SEARCH_EXTRA
- pos_T old_cursor;
- colnr_T old_curswant;
- colnr_T old_leftcol;
- linenr_T old_topline;
- # ifdef FEAT_DIFF
- int old_topfill;
- # endif
- linenr_T old_botline;
- int did_incsearch = FALSE;
- int incsearch_postponed = FALSE;
- #endif
- int did_wild_list = FALSE; /* did wild_list() recently */
- int wim_index = 0; /* index in wim_flags[] */
- int res;
- int save_msg_scroll = msg_scroll;
- int save_State = State; /* remember State when called */
- int some_key_typed = FALSE; /* one of the keys was typed */
- #ifdef FEAT_MOUSE
- /* mouse drag and release events are ignored, unless they are
- * preceded with a mouse down event */
- int ignore_drag_release = TRUE;
- #endif
- #ifdef FEAT_EVAL
- int break_ctrl_c = FALSE;
- #endif
- expand_T xpc;
- long *b_im_ptr = NULL;
-
- #ifdef FEAT_SNIFF
- want_sniff_request = 0;
- #endif
- #ifdef FEAT_EVAL
- if (firstc == -1)
- {
- firstc = NUL;
- break_ctrl_c = TRUE;
- }
- #endif
- #ifdef FEAT_RIGHTLEFT
- /* start without Hebrew mapping for a command line */
- if (firstc == ':' || firstc == '=' || firstc == '>')
- cmd_hkmap = 0;
- #endif
-
- ccline.overstrike = FALSE; /* always start in insert mode */
- #ifdef FEAT_SEARCH_EXTRA
- old_cursor = curwin->w_cursor; /* needs to be restored later */
- old_curswant = curwin->w_curswant;
- old_leftcol = curwin->w_leftcol;
- old_topline = curwin->w_topline;
- # ifdef FEAT_DIFF
- old_topfill = curwin->w_topfill;
- # endif
- old_botline = curwin->w_botline;
- #endif
-
- /*
- * set some variables for redrawcmd()
- */
- ccline.cmdfirstc = (firstc == '@' ? 0 : firstc);
- ccline.cmdindent = indent;
- alloc_cmdbuff(exmode_active ? 250 : 0); /* alloc initial ccline.cmdbuff */
- if (ccline.cmdbuff == NULL)
- return NULL; /* out of memory */
- ccline.cmdlen = ccline.cmdpos = 0;
- ccline.cmdbuff[0] = NUL;
-
- redir_off = TRUE; /* don't redirect the typed command */
- if (!cmd_silent)
- {
- i = msg_scrolled;
- msg_scrolled = 0; /* avoid wait_return message */
- gotocmdline(TRUE);
- msg_scrolled += i;
- redrawcmdprompt(); /* draw prompt or indent */
- set_cmdspos();
- }
- xpc.xp_context = EXPAND_NOTHING;
-
- /*
- * Avoid scrolling when called by a recursive do_cmdline(), e.g. when
- * doing ":@0" when register 0 doesn't contain a CR.
- */
- msg_scroll = FALSE;
-
- State = CMDLINE;
-
- if (firstc == '/' || firstc == '?' || firstc == '@')
- {
- /* Use ":lmap" mappings for search pattern and input(). */
- if (curbuf->b_p_imsearch == B_IMODE_USE_INSERT)
- b_im_ptr = &curbuf->b_p_iminsert;
- else
- b_im_ptr = &curbuf->b_p_imsearch;
- if (*b_im_ptr == B_IMODE_LMAP)
- State |= LANGMAP;
- #ifdef USE_IM_CONTROL
- im_set_active(*b_im_ptr == B_IMODE_IM);
- #endif
- }
- #ifdef USE_IM_CONTROL
- else if (p_imcmdline)
- im_set_active(TRUE);
- #endif
-
- #ifdef FEAT_MOUSE
- setmouse();
- #endif
- #ifdef CURSOR_SHAPE
- ui_cursor_shape(); /* may show different cursor shape */
- #endif
-
- #ifdef FEAT_CMDHIST
- init_history();
- hiscnt = hislen; /* set hiscnt to impossible history value */
- histype = hist_char2type(firstc);
- #endif
-
- #ifdef FEAT_DIGRAPHS
- do_digraph(-1); /* init digraph typahead */
- #endif
-
- /*
- * Collect the command string, handling editing keys.
- */
- for (;;)
- {
- #ifdef USE_ON_FLY_SCROLL
- dont_scroll = FALSE; /* allow scrolling here */
- #endif
- quit_more = FALSE; /* reset after CTRL-D which had a more-prompt */
-
- cursorcmd(); /* set the cursor on the right spot */
- c = safe_vgetc();
- if (KeyTyped)
- {
- some_key_typed = TRUE;
- #ifdef FEAT_RIGHTLEFT
- if (cmd_hkmap)
- c = hkmap(c);
- # ifdef FEAT_FKMAP
- if (cmd_fkmap)
- c = cmdl_fkmap(c);
- # endif
- #endif
- }
-
- /*
- * Ignore got_int when CTRL-C was typed here.
- * Don't ignore it in :global, we really need to break then, e.g., for
- * ":g/pat/normal /pat" (without the <CR>).
- * Don't ignore it for the input() function.
- */
- if ((c == Ctrl_C
- #ifdef UNIX
- || c == intr_char
- #endif
- )
- #if defined(FEAT_EVAL) || defined(FEAT_CRYPT)
- && firstc != '@'
- #endif
- #ifdef FEAT_EVAL
- && !break_ctrl_c
- #endif
- && !global_busy)
- got_int = FALSE;
-
- #ifdef FEAT_CMDHIST
- /* free old command line when finished moving around in the history
- * list */
- if (lookfor != NULL
- && c != K_S_DOWN && c != K_S_UP && c != K_DOWN && c != K_UP
- && c != K_PAGEDOWN && c != K_PAGEUP
- && c != K_KPAGEDOWN && c != K_KPAGEUP
- && c != K_LEFT && c != K_RIGHT
- && (cmd_numfiles > 0 || (c != Ctrl_P && c != Ctrl_N)))
- {
- vim_free(lookfor);
- lookfor = NULL;
- }
- #endif
-
- /*
- * <S-Tab> works like CTRL-P (unless 'wc' is <S-Tab>).
- */
- if (c != p_wc && c == K_S_TAB && cmd_numfiles != -1)
- c = Ctrl_P;
-
- #ifdef FEAT_WILDMENU
- /* Special translations for 'wildmenu' */
- if (did_wild_list && p_wmnu)
- {
- if (c == K_LEFT)
- c = Ctrl_P;
- else if (c == K_RIGHT)
- c = Ctrl_N;
- }
- /* Hitting CR after "emenu Name.": complete submenu */
- if (xpc.xp_context == EXPAND_MENUNAMES && p_wmnu
- && ccline.cmdpos > 1
- && ccline.cmdbuff[ccline.cmdpos - 1] == '.'
- && ccline.cmdbuff[ccline.cmdpos - 2] != '\\'
- && (c == '\n' || c == '\r' || c == K_KENTER))
- c = K_DOWN;
- #endif
-
- /* free expanded names when finished walking through matches */
- if (cmd_numfiles != -1
- && !(c == p_wc && KeyTyped) && c != p_wcm
- && c != Ctrl_N && c != Ctrl_P && c != Ctrl_A
- && c != Ctrl_L)
- {
- (void)ExpandOne(&xpc, NULL, NULL, 0, WILD_FREE);
- did_wild_list = FALSE;
- #ifdef FEAT_WILDMENU
- if (!p_wmnu || (c != K_UP && c != K_DOWN))
- #endif
- xpc.xp_context = EXPAND_NOTHING;
- wim_index = 0;
- #ifdef FEAT_WILDMENU
- if (p_wmnu && wild_menu_showing)
- {
- int skt = KeyTyped;
-
- if (wild_menu_showing == WM_SCROLLED)
- {
- /* Entered command line, move it up */
- cmdline_row--;
- redrawcmd();
- }
- else if (save_p_ls != -1)
- {
- /* restore 'laststatus' if it was changed */
- p_ls = save_p_ls;
- last_status(FALSE);
- update_screen(VALID); /* redraw the screen NOW */
- redrawcmd();
- save_p_ls = -1;
- }
- else
- win_redr_status(lastwin);
- KeyTyped = skt;
- wild_menu_showing = 0;
- }
- #endif
- }
-
- #ifdef FEAT_WILDMENU
- /* Special translations for 'wildmenu' */
- if (xpc.xp_context == EXPAND_MENUNAMES && p_wmnu)
- {
- /* Hitting <Down> after "emenu Name.": complete submenu */
- if (ccline.cmdbuff[ccline.cmdpos - 1] == '.' && c == K_DOWN)
- c = p_wc;
- else if (c == K_UP)
- {
- /* Hitting <Up>: Remove one submenu name in front of the
- * cursor */
- int found = FALSE;
-
- j = (int)(xpc.xp_pattern - ccline.cmdbuff);
- i = 0;
- while (--j > 0)
- {
- /* check for start of menu name */
- if (ccline.cmdbuff[j] == ' '
- && ccline.cmdbuff[j - 1] != '\\')
- {
- i = j + 1;
- break;
- }
- /* check for start of submenu name */
- if (ccline.cmdbuff[j] == '.'
- && ccline.cmdbuff[j - 1] != '\\')
- {
- if (found)
- {
- i = j + 1;
- break;
- }
- else
- found = TRUE;
- }
- }
- if (i > 0)
- cmdline_del(i);
- c = p_wc;
- xpc.xp_context = EXPAND_NOTHING;
- }
- }
- if (xpc.xp_context == EXPAND_FILES && p_wmnu)
- {
- char_u upseg[5];
-
- upseg[0] = PATHSEP;
- upseg[1] = '.';
- upseg[2] = '.';
- upseg[3] = PATHSEP;
- upseg[4] = NUL;
-
- if (ccline.cmdbuff[ccline.cmdpos - 1] == PATHSEP
- && c == K_DOWN
- && (ccline.cmdbuff[ccline.cmdpos - 2] != '.'
- || ccline.cmdbuff[ccline.cmdpos - 3] != '.'))
- {
- /* go down a directory */
- c = p_wc;
- }
- else if (STRNCMP(xpc.xp_pattern, upseg + 1, 3) == 0 && c == K_DOWN)
- {
- /* If in a direct ancestor, strip off one ../ to go down */
- int found = FALSE;
-
- j = ccline.cmdpos;
- i = (int)(xpc.xp_pattern - ccline.cmdbuff);
- while (--j > i)
- {
- if (vim_ispathsep(ccline.cmdbuff[j]))
- {
- found = TRUE;
- break;
- }
- }
- if (found
- && ccline.cmdbuff[j - 1] == '.'
- && ccline.cmdbuff[j - 2] == '.'
- && (vim_ispathsep(ccline.cmdbuff[j - 3]) || j == i + 2))
- {
- cmdline_del(j - 2);
- c = p_wc;
- }
- }
- else if (c == K_UP)
- {
- /* go up a directory */
- int found = FALSE;
-
- j = ccline.cmdpos - 1;
- i = (int)(xpc.xp_pattern - ccline.cmdbuff);
- while (--j > i)
- {
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- j -= (*mb_head_off)(ccline.cmdbuff, ccline.cmdbuff + j);
- #endif
- if (vim_ispathsep(ccline.cmdbuff[j])
- #ifdef BACKSLASH_IN_FILENAME
- && vim_strchr(" *?[{`$%#", ccline.cmdbuff[j + 1])
- == NULL
- #endif
- )
- {
- if (found)
- {
- i = j + 1;
- break;
- }
- else
- found = TRUE;
- }
- }
-
- if (!found)
- j = i;
- else if (STRNCMP(ccline.cmdbuff + j, upseg, 4) == 0)
- j += 4;
- else if (STRNCMP(ccline.cmdbuff + j, upseg + 1, 3) == 0
- && j == i)
- j += 3;
- else
- j = 0;
- if (j > 0)
- {
- /* TODO this is only for DOS/UNIX systems - need to put in
- * machine-specific stuff here and in upseg init */
- cmdline_del(j);
- put_on_cmdline(upseg + 1, 3, FALSE);
- }
- else if (ccline.cmdpos > i)
- cmdline_del(i);
- c = p_wc;
- }
- }
- #if 0 /* If enabled <Down> on a file takes you _completely_ out of wildmenu */
- if (p_wmnu
- && (xpc.xp_context == EXPAND_FILES
- || xpc.xp_context == EXPAND_MENUNAMES)
- && (c == K_UP || c == K_DOWN))
- xpc.xp_context = EXPAND_NOTHING;
- #endif
-
- #endif /* FEAT_WILDMENU */
-
- /* CTRL-\ CTRL-N goes to Normal mode */
- if (c == Ctrl_BSL)
- {
- ++no_mapping;
- ++allow_keys;
- c = safe_vgetc();
- --no_mapping;
- --allow_keys;
- if (c != Ctrl_N)
- {
- vungetc(c);
- c = Ctrl_BSL;
- }
- else
- {
- gotesc = TRUE; /* will free ccline.cmdbuff after putting it
- in history */
- goto returncmd; /* back to Normal mode */
- }
- }
-
- #ifdef FEAT_CMDWIN
- if (c == cedit_key || c == K_CMDWIN)
- {
- /*
- * Open a window to edit the command line (and history).
- */
- c = ex_window();
- some_key_typed = TRUE;
- }
- # ifdef FEAT_DIGRAPHS
- else
- # endif
- #endif
- #ifdef FEAT_DIGRAPHS
- c = do_digraph(c);
- #endif
-
- if (c == '\n' || c == '\r' || c == K_KENTER || (c == ESC
- && (!KeyTyped || vim_strchr(p_cpo, CPO_ESC) != NULL)))
- {
- gotesc = FALSE; /* Might have typed ESC previously, don't
- truncate the cmdline now. */
- if (ccheck_abbr(c + ABBR_OFF))
- goto cmdline_changed;
- if (!cmd_silent)
- {
- windgoto(msg_row, 0);
- out_flush();
- }
- break;
- }
-
- /*
- * Completion for 'wildchar' or 'wildcharm' key.
- * - hitting <ESC> twice means: abandon command line.
- * - wildcard expansion is only done when the 'wildchar' key is really
- * typed, not when it comes from a macro
- */
- if ((c == p_wc && !gotesc && KeyTyped) || c == p_wcm)
- {
- if (cmd_numfiles > 0) /* typed p_wc at least twice */
- {
- /* if 'wildmode' contains "list" may still need to list */
- if (cmd_numfiles > 1
- && !did_wild_list
- && (wim_flags[wim_index] & WIM_LIST))
- {
- (void)showmatches(&xpc, FALSE);
- redrawcmd();
- did_wild_list = TRUE;
- }
- if (wim_flags[wim_index] & WIM_LONGEST)
- res = nextwild(&xpc, WILD_LONGEST, WILD_NO_BEEP);
- else if (wim_flags[wim_index] & WIM_FULL)
- res = nextwild(&xpc, WILD_NEXT, WILD_NO_BEEP);
- else
- res = OK; /* don't insert 'wildchar' now */
- }
- else /* typed p_wc first time */
- {
- wim_index = 0;
- j = ccline.cmdpos;
- /* if 'wildmode' first contains "longest", get longest
- * common part */
- if (wim_flags[0] & WIM_LONGEST)
- res = nextwild(&xpc, WILD_LONGEST, WILD_NO_BEEP);
- else
- res = nextwild(&xpc, WILD_EXPAND_KEEP, WILD_NO_BEEP);
-
- /* if interrupted while completing, behave like it failed */
- if (got_int)
- {
- (void)vpeekc(); /* remove <C-C> from input stream */
- got_int = FALSE; /* don't abandon the command line */
- (void)ExpandOne(&xpc, NULL, NULL, 0, WILD_FREE);
- #ifdef FEAT_WILDMENU
- xpc.xp_context = EXPAND_NOTHING;
- #endif
- goto cmdline_changed;
- }
-
- /* when more than one match, and 'wildmode' first contains
- * "list", or no change and 'wildmode' contains "longest,list",
- * list all matches */
- if (res == OK && cmd_numfiles > 1)
- {
- /* a "longest" that didn't do anything is skipped (but not
- * "list:longest") */
- if (wim_flags[0] == WIM_LONGEST && ccline.cmdpos == j)
- wim_index = 1;
- if ((wim_flags[wim_index] & WIM_LIST)
- #ifdef FEAT_WILDMENU
- || (p_wmnu && (wim_flags[wim_index] & WIM_FULL) != 0)
- #endif
- )
- {
- if (!(wim_flags[0] & WIM_LONGEST))
- {
- #ifdef FEAT_WILDMENU
- int p_wmnu_save = p_wmnu;
- p_wmnu = 0;
- #endif
- nextwild(&xpc, WILD_PREV, 0); /* remove match */
- #ifdef FEAT_WILDMENU
- p_wmnu = p_wmnu_save;
- #endif
- }
- #ifdef FEAT_WILDMENU
- (void)showmatches(&xpc, p_wmnu
- && ((wim_flags[wim_index] & WIM_LIST) == 0));
- #else
- (void)showmatches(&xpc, FALSE);
- #endif
- redrawcmd();
- did_wild_list = TRUE;
- if (wim_flags[wim_index] & WIM_LONGEST)
- nextwild(&xpc, WILD_LONGEST, WILD_NO_BEEP);
- else if (wim_flags[wim_index] & WIM_FULL)
- nextwild(&xpc, WILD_NEXT, WILD_NO_BEEP);
- }
- else
- vim_beep();
- }
- #ifdef FEAT_WILDMENU
- else if (cmd_numfiles == -1)
- xpc.xp_context = EXPAND_NOTHING;
- #endif
- }
- if (wim_index < 3)
- ++wim_index;
- if (c == ESC)
- gotesc = TRUE;
- if (res == OK)
- goto cmdline_changed;
- }
-
- gotesc = FALSE;
-
- /* <S-Tab> goes to last match, in a clumsy way */
- if (c == K_S_TAB && KeyTyped)
- {
- if (nextwild(&xpc, WILD_EXPAND_KEEP, 0) == OK
- && nextwild(&xpc, WILD_PREV, 0) == OK
- && nextwild(&xpc, WILD_PREV, 0) == OK)
- goto cmdline_changed;
- }
-
- if (c == NUL || c == K_ZERO) /* NUL is stored as NL */
- c = NL;
-
- do_abbr = TRUE; /* default: check for abbreviation */
-
- /*
- * Big switch for a typed command line character.
- */
- switch (c)
- {
- case K_BS:
- case Ctrl_H:
- case K_DEL:
- case K_KDEL:
- case Ctrl_W:
- #ifdef FEAT_FKMAP
- if (cmd_fkmap && c == K_BS)
- c = K_DEL;
- #endif
- if (c == K_KDEL)
- c = K_DEL;
-
- /*
- * delete current character is the same as backspace on next
- * character, except at end of line
- */
- if (c == K_DEL && ccline.cmdpos != ccline.cmdlen)
- ++ccline.cmdpos;
- #ifdef FEAT_MBYTE
- if (has_mbyte && c == K_DEL)
- ccline.cmdpos += mb_off_next(ccline.cmdbuff,
- ccline.cmdbuff + ccline.cmdpos);
- #endif
- if (ccline.cmdpos > 0)
- {
- char_u *p;
-
- j = ccline.cmdpos;
- p = ccline.cmdbuff + j;
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- {
- p = mb_prevptr(ccline.cmdbuff, p);
- if (c == Ctrl_W)
- {
- while (p > ccline.cmdbuff && vim_isspace(*p))
- p = mb_prevptr(ccline.cmdbuff, p);
- i = mb_get_class(p);
- while (p > ccline.cmdbuff && mb_get_class(p) == i)
- p = mb_prevptr(ccline.cmdbuff, p);
- if (mb_get_class(p) != i)
- p += (*mb_ptr2len_check)(p);
- }
- }
- else
- #endif
- if (c == Ctrl_W)
- {
- while (p > ccline.cmdbuff && vim_isspace(p[-1]))
- --p;
- i = vim_iswordc(p[-1]);
- while (p > ccline.cmdbuff && !vim_isspace(p[-1])
- && vim_iswordc(p[-1]) == i)
- --p;
- }
- else
- --p;
- ccline.cmdpos = (int)(p - ccline.cmdbuff);
- ccline.cmdlen -= j - ccline.cmdpos;
- i = ccline.cmdpos;
- while (i < ccline.cmdlen)
- ccline.cmdbuff[i++] = ccline.cmdbuff[j++];
-
- /* Truncate at the end, required for multi-byte chars. */
- ccline.cmdbuff[ccline.cmdlen] = NUL;
- redrawcmd();
- }
- else if (ccline.cmdlen == 0 && c != Ctrl_W
- && ccline.cmdprompt == NULL && indent == 0)
- {
- /* In ex and debug mode it doesn't make sense to return. */
- if (exmode_active
- #ifdef FEAT_EVAL
- || ccline.cmdfirstc == '>'
- #endif
- )
- goto cmdline_not_changed;
-
- vim_free(ccline.cmdbuff); /* no commandline to return */
- ccline.cmdbuff = NULL;
- if (!cmd_silent)
- {
- msg_col = 0;
- msg_putchar(' '); /* delete ':' */
- }
- redraw_cmdline = TRUE;
- goto returncmd; /* back to cmd mode */
- }
- goto cmdline_changed;
-
- case K_INS:
- case K_KINS:
- #ifdef FEAT_FKMAP
- /* if Farsi mode set, we are in reverse insert mode -
- Do not change the mode */
- if (cmd_fkmap)
- beep_flush();
- else
- #endif
- ccline.overstrike = !ccline.overstrike;
- #ifdef CURSOR_SHAPE
- ui_cursor_shape(); /* may show different cursor shape */
- #endif
- goto cmdline_not_changed;
-
- case Ctrl_HAT:
- if (map_to_exists_mode((char_u *)"", LANGMAP))
- {
- /* ":lmap" mappings exists, toggle use of mappings. */
- State ^= LANGMAP;
- #ifdef USE_IM_CONTROL
- im_set_active(FALSE); /* Disable input method */
- #endif
- if (b_im_ptr != NULL)
- {
- if (State & LANGMAP)
- *b_im_ptr = B_IMODE_LMAP;
- else
- *b_im_ptr = B_IMODE_NONE;
- }
- }
- #ifdef USE_IM_CONTROL
- else
- {
- /* There are no ":lmap" mappings, toggle IM. When
- * 'imdisable' is set don't try getting the status, it's
- * always off. */
- if ((p_imdisable && b_im_ptr != NULL)
- ? *b_im_ptr == B_IMODE_IM : im_get_status())
- {
- im_set_active(FALSE); /* Disable input method */
- if (b_im_ptr != NULL)
- *b_im_ptr = B_IMODE_NONE;
- }
- else
- {
- im_set_active(TRUE); /* Enable input method */
- if (b_im_ptr != NULL)
- *b_im_ptr = B_IMODE_IM;
- }
- }
- #endif
- if (b_im_ptr != NULL)
- {
- if (b_im_ptr == &curbuf->b_p_iminsert)
- set_iminsert_global();
- else
- set_imsearch_global();
- }
- #ifdef CURSOR_SHAPE
- ui_cursor_shape(); /* may show different cursor shape */
- #endif
- goto cmdline_not_changed;
-
- /* case '@': only in very old vi */
- case Ctrl_U:
- /* delete all characters left of the cursor */
- j = ccline.cmdpos;
- ccline.cmdlen -= j;
- i = ccline.cmdpos = 0;
- while (i < ccline.cmdlen)
- ccline.cmdbuff[i++] = ccline.cmdbuff[j++];
- /* Truncate at the end, required for multi-byte chars. */
- ccline.cmdbuff[ccline.cmdlen] = NUL;
- redrawcmd();
- goto cmdline_changed;
-
- #ifdef FEAT_CLIPBOARD
- case Ctrl_Y:
- /* Copy the modeless selection, if there is one. */
- if (clip_star.state != SELECT_CLEARED)
- {
- if (clip_star.state == SELECT_DONE)
- clip_copy_modeless_selection(TRUE);
- goto cmdline_not_changed;
- }
- break;
- #endif
-
- case ESC: /* get here if p_wc != ESC or when ESC typed twice */
- case Ctrl_C:
- /* In exmode it doesn't make sense to return. */
- if (exmode_active)
- goto cmdline_not_changed;
-
- gotesc = TRUE; /* will free ccline.cmdbuff after
- putting it in history */
- goto returncmd; /* back to cmd mode */
-
- case Ctrl_R: /* insert register */
- #ifdef USE_ON_FLY_SCROLL
- dont_scroll = TRUE; /* disallow scrolling here */
- #endif
- putcmdline('"', TRUE);
- ++no_mapping;
- i = c = safe_vgetc(); /* CTRL-R <char> */
- if (i == Ctrl_O)
- i = Ctrl_R; /* CTRL-R CTRL-O == CTRL-R CTRL-R */
- if (i == Ctrl_R)
- c = safe_vgetc(); /* CTRL-R CTRL-R <char> */
- --no_mapping;
- #ifdef FEAT_EVAL
- /*
- * Insert the result of an expression.
- * Need to save the current command line, to be able to enter
- * a new one...
- */
- if (c == '=')
- {
- struct cmdline_info save_ccline;
-
- if (ccline.cmdfirstc == '=')/* can't do this recursively */
- {
- beep_flush();
- c = ESC;
- }
- else
- {
- save_ccline = ccline;
- ccline.cmdbuff = NULL;
- ccline.cmdprompt = NULL;
- c = get_expr_register();
- ccline = save_ccline;
- }
- }
- #endif
- if (c != ESC) /* use ESC to cancel inserting register */
- {
- cmdline_paste(c, i == Ctrl_R);
- KeyTyped = FALSE; /* Don't do p_wc completion. */
- }
- redrawcmd();
- goto cmdline_changed;
-
- case Ctrl_D:
- if (showmatches(&xpc, FALSE) == EXPAND_NOTHING)
- break; /* Use ^D as normal char instead */
-
- redrawcmd();
- continue; /* don't do incremental search now */
-
- case K_RIGHT:
- case K_S_RIGHT:
- case K_C_RIGHT:
- do
- {
- if (ccline.cmdpos >= ccline.cmdlen)
- break;
- i = cmdline_charsize(ccline.cmdpos);
- if (KeyTyped && ccline.cmdspos + i >= Columns * Rows)
- break;
- ccline.cmdspos += i;
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- ccline.cmdpos += (*mb_ptr2len_check)(ccline.cmdbuff
- + ccline.cmdpos);
- else
- #endif
- ++ccline.cmdpos;
- }
- while ((c == K_S_RIGHT || c == K_C_RIGHT)
- && ccline.cmdbuff[ccline.cmdpos] != ' ');
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- set_cmdspos_cursor();
- #endif
- goto cmdline_not_changed;
-
- case K_LEFT:
- case K_S_LEFT:
- case K_C_LEFT:
- do
- {
- if (ccline.cmdpos == 0)
- break;
- --ccline.cmdpos;
- #ifdef FEAT_MBYTE
- if (has_mbyte) /* move to first byte of char */
- ccline.cmdpos -= (*mb_head_off)(ccline.cmdbuff,
- ccline.cmdbuff + ccline.cmdpos);
- #endif
- ccline.cmdspos -= cmdline_charsize(ccline.cmdpos);
- }
- while ((c == K_S_LEFT || c == K_C_LEFT)
- && ccline.cmdbuff[ccline.cmdpos - 1] != ' ');
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- set_cmdspos_cursor();
- #endif
- goto cmdline_not_changed;
-
- case K_IGNORE:
- goto cmdline_not_changed; /* Ignore mouse */
-
- #ifdef FEAT_MOUSE
- case K_MIDDLEDRAG:
- case K_MIDDLERELEASE:
- goto cmdline_not_changed; /* Ignore mouse */
-
- case K_MIDDLEMOUSE:
- # ifdef FEAT_GUI
- /* When GUI is active, also paste when 'mouse' is empty */
- if (!gui.in_use)
- # endif
- if (!mouse_has(MOUSE_COMMAND))
- goto cmdline_not_changed; /* Ignore mouse */
- #ifdef FEAT_CLIPBOARD
- if (clip_star.available)
- cmdline_paste('*', TRUE);
- else
- #endif
- cmdline_paste(0, TRUE);
- redrawcmd();
- goto cmdline_changed;
-
- case K_LEFTDRAG:
- case K_LEFTRELEASE:
- case K_RIGHTDRAG:
- case K_RIGHTRELEASE:
- /* Ignore drag and release events when the button-down wasn't
- * seen before. */
- if (ignore_drag_release)
- goto cmdline_not_changed;
- /* FALLTHROUGH */
- case K_LEFTMOUSE:
- case K_RIGHTMOUSE:
- if (c == K_LEFTRELEASE || c == K_RIGHTRELEASE)
- ignore_drag_release = TRUE;
- else
- ignore_drag_release = FALSE;
- # ifdef FEAT_GUI
- /* When GUI is active, also move when 'mouse' is empty */
- if (!gui.in_use)
- # endif
- if (!mouse_has(MOUSE_COMMAND))
- goto cmdline_not_changed; /* Ignore mouse */
- # ifdef FEAT_CLIPBOARD
- if (mouse_row < cmdline_row && clip_star.available)
- {
- int button, is_click, is_drag;
-
- /*
- * Handle modeless selection.
- */
- button = get_mouse_button(KEY2TERMCAP1(c),
- &is_click, &is_drag);
- if (mouse_model_popup() && button == MOUSE_LEFT
- && (mod_mask & MOD_MASK_SHIFT))
- {
- /* Translate shift-left to right button. */
- button = MOUSE_RIGHT;
- mod_mask &= ~MOD_MASK_SHIFT;
- }
- clip_modeless(button, is_click, is_drag);
- goto cmdline_not_changed;
- }
- # endif
-
- set_cmdspos();
- for (ccline.cmdpos = 0; ccline.cmdpos < ccline.cmdlen;
- ++ccline.cmdpos)
- {
- i = cmdline_charsize(ccline.cmdpos);
- if (mouse_row <= cmdline_row + ccline.cmdspos / Columns
- && mouse_col < ccline.cmdspos % Columns + i)
- break;
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- {
- /* Count ">" for double-wide char that doesn't fit. */
- if ((*mb_ptr2cells)(ccline.cmdbuff + ccline.cmdpos) > 1
- && ccline.cmdspos % Columns + i > Columns)
- ccline.cmdspos++;
- ccline.cmdpos += (*mb_ptr2len_check)(ccline.cmdbuff
- + ccline.cmdpos) - 1;
- }
- #endif
- ccline.cmdspos += i;
- }
- goto cmdline_not_changed;
-
- /* Mouse scroll wheel: ignored here */
- case K_MOUSEDOWN:
- case K_MOUSEUP:
- goto cmdline_not_changed;
-
- #endif /* FEAT_MOUSE */
-
- #ifdef FEAT_GUI
- case K_LEFTMOUSE_NM: /* mousefocus click, ignored */
- case K_LEFTRELEASE_NM:
- goto cmdline_not_changed;
-
- case K_VER_SCROLLBAR:
- if (!msg_scrolled)
- {
- gui_do_scroll();
- redrawcmd();
- }
- goto cmdline_not_changed;
-
- case K_HOR_SCROLLBAR:
- if (!msg_scrolled)
- {
- gui_do_horiz_scroll();
- redrawcmd();
- }
- goto cmdline_not_changed;
- #endif
- case K_SELECT: /* end of Select mode mapping - ignore */
- goto cmdline_not_changed;
-
- case Ctrl_B: /* begin of command line */
- case K_HOME:
- case K_KHOME:
- case K_XHOME:
- case K_S_HOME:
- case K_C_HOME:
- ccline.cmdpos = 0;
- set_cmdspos();
- goto cmdline_not_changed;
-
- case Ctrl_E: /* end of command line */
- case K_END:
- case K_KEND:
- case K_XEND:
- case K_S_END:
- case K_C_END:
- ccline.cmdpos = ccline.cmdlen;
- set_cmdspos_cursor();
- goto cmdline_not_changed;
-
- case Ctrl_A: /* all matches */
- if (nextwild(&xpc, WILD_ALL, 0) == FAIL)
- break;
- goto cmdline_changed;
-
- case Ctrl_L: /* longest common part */
- if (nextwild(&xpc, WILD_LONGEST, 0) == FAIL)
- break;
- goto cmdline_changed;
-
- case Ctrl_N: /* next match */
- case Ctrl_P: /* previous match */
- if (cmd_numfiles > 0)
- {
- if (nextwild(&xpc, (c == Ctrl_P) ? WILD_PREV : WILD_NEXT, 0)
- == FAIL)
- break;
- goto cmdline_changed;
- }
-
- #ifdef FEAT_CMDHIST
- case K_UP:
- case K_DOWN:
- case K_S_UP:
- case K_S_DOWN:
- case K_PAGEUP:
- case K_KPAGEUP:
- case K_PAGEDOWN:
- case K_KPAGEDOWN:
- if (hislen == 0 || firstc == NUL) /* no history */
- goto cmdline_not_changed;
-
- i = hiscnt;
-
- /* save current command string so it can be restored later */
- if (lookfor == NULL)
- {
- if ((lookfor = vim_strsave(ccline.cmdbuff)) == NULL)
- goto cmdline_not_changed;
- lookfor[ccline.cmdpos] = NUL;
- }
-
- j = (int)STRLEN(lookfor);
- for (;;)
- {
- /* one step backwards */
- if (c == K_UP || c == K_S_UP || c == Ctrl_P ||
- c == K_PAGEUP || c == K_KPAGEUP)
- {
- if (hiscnt == hislen) /* first time */
- hiscnt = hisidx[histype];
- else if (hiscnt == 0 && hisidx[histype] != hislen - 1)
- hiscnt = hislen - 1;
- else if (hiscnt != hisidx[histype] + 1)
- --hiscnt;
- else /* at top of list */
- {
- hiscnt = i;
- break;
- }
- }
- else /* one step forwards */
- {
- /* on last entry, clear the line */
- if (hiscnt == hisidx[histype])
- {
- hiscnt = hislen;
- break;
- }
-
- /* not on a history line, nothing to do */
- if (hiscnt == hislen)
- break;
- if (hiscnt == hislen - 1) /* wrap around */
- hiscnt = 0;
- else
- ++hiscnt;
- }
- if (hiscnt < 0 || history[histype][hiscnt].hisstr == NULL)
- {
- hiscnt = i;
- break;
- }
- if ((c != K_UP && c != K_DOWN) || hiscnt == i ||
- STRNCMP(history[histype][hiscnt].hisstr,
- lookfor, (size_t)j) == 0)
- break;
- }
-
- if (hiscnt != i) /* jumped to other entry */
- {
- char_u *p;
-
- vim_free(ccline.cmdbuff);
- if (hiscnt == hislen)
- p = lookfor; /* back to the old one */
- else
- p = history[histype][hiscnt].hisstr;
-
- alloc_cmdbuff((int)STRLEN(p));
- if (ccline.cmdbuff == NULL)
- goto returncmd;
- STRCPY(ccline.cmdbuff, p);
-
- ccline.cmdpos = ccline.cmdlen = (int)STRLEN(ccline.cmdbuff);
- redrawcmd();
- goto cmdline_changed;
- }
- beep_flush();
- goto cmdline_not_changed;
- #endif
-
- case Ctrl_V:
- case Ctrl_Q:
- #ifdef FEAT_MOUSE
- ignore_drag_release = TRUE;
- #endif
- putcmdline('^', TRUE);
- c = get_literal(); /* get next (two) character(s) */
- do_abbr = FALSE; /* don't do abbreviation now */
- break;
-
- #ifdef FEAT_DIGRAPHS
- case Ctrl_K:
- #ifdef FEAT_MOUSE
- ignore_drag_release = TRUE;
- #endif
- putcmdline('?', TRUE);
- #ifdef USE_ON_FLY_SCROLL
- dont_scroll = TRUE; /* disallow scrolling here */
- #endif
- c = get_digraph(TRUE);
- if (c != NUL)
- break;
-
- redrawcmd();
- goto cmdline_not_changed;
- #endif /* FEAT_DIGRAPHS */
-
- #ifdef FEAT_RIGHTLEFT
- case Ctrl__: /* CTRL-_: switch language mode */
- if (!p_ari)
- break;
- #ifdef FEAT_FKMAP
- if (p_altkeymap)
- {
- cmd_fkmap = !cmd_fkmap;
- if (cmd_fkmap) /* in Farsi always in Insert mode */
- ccline.overstrike = FALSE;
- }
- else /* Hebrew is default */
- #endif
- cmd_hkmap = !cmd_hkmap;
- goto cmdline_not_changed;
- #endif
-
- default:
- #ifdef UNIX
- if (c == intr_char)
- {
- gotesc = TRUE; /* will free ccline.cmdbuff after
- putting it in history */
- goto returncmd; /* back to Normal mode */
- }
- #endif
- /*
- * Normal character with no special meaning. Just set mod_mask
- * to 0x0 so that typing Shift-Space in the GUI doesn't enter
- * the string <S-Space>. This should only happen after ^V.
- */
- if (!IS_SPECIAL(c))
- mod_mask = 0x0;
- break;
- }
- /*
- * End of switch on command line character.
- * We come here if we have a normal character.
- */
-
- if (do_abbr && (IS_SPECIAL(c) || !vim_iswordc(c)) && ccheck_abbr(c))
- goto cmdline_changed;
-
- /*
- * put the character in the command line
- */
- if (IS_SPECIAL(c) || mod_mask != 0)
- put_on_cmdline(get_special_key_name(c, mod_mask), -1, TRUE);
- else
- {
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- {
- j = (*mb_char2bytes)(c, IObuff);
- put_on_cmdline(IObuff, j, TRUE);
- }
- else
- #endif
- {
- IObuff[0] = c;
- put_on_cmdline(IObuff, 1, TRUE);
- }
- }
- goto cmdline_changed;
-
- /*
- * This part implements incremental searches for "/" and "?"
- * Jump to cmdline_not_changed when a character has been read but the command
- * line did not change. Then we only search and redraw if something changed in
- * the past.
- * Jump to cmdline_changed when the command line did change.
- * (Sorry for the goto's, I know it is ugly).
- */
- cmdline_not_changed:
- #ifdef FEAT_SEARCH_EXTRA
- if (!incsearch_postponed)
- continue;
- #endif
-
- cmdline_changed:
- #ifdef FEAT_SEARCH_EXTRA
- /*
- * 'incsearch' highlighting.
- */
- if (p_is && !cmd_silent && (firstc == '/' || firstc == '?'))
- {
- /* if there is a character waiting, search and redraw later */
- if (char_avail())
- {
- incsearch_postponed = TRUE;
- continue;
- }
- incsearch_postponed = FALSE;
- curwin->w_cursor = old_cursor; /* start at old position */
-
- /* If there is no command line, don't do anything */
- if (ccline.cmdlen == 0)
- i = 0;
- else
- {
- cursor_off(); /* so the user knows we're busy */
- out_flush();
- ++emsg_off; /* So it doesn't beep if bad expr */
- i = do_search(NULL, firstc, ccline.cmdbuff, count,
- SEARCH_KEEP + SEARCH_OPT + SEARCH_NOOF);
- --emsg_off;
- /* if interrupted while searching, behave like it failed */
- if (got_int)
- {
- (void)vpeekc(); /* remove <C-C> from input stream */
- got_int = FALSE; /* don't abandon the command line */
- i = 0;
- }
- }
- if (i)
- highlight_match = TRUE; /* highlight position */
- else
- highlight_match = FALSE; /* remove highlight */
-
- /* first restore the old curwin values, so the screen is
- * positioned in the same way as the actual search command */
- curwin->w_leftcol = old_leftcol;
- curwin->w_topline = old_topline;
- # ifdef FEAT_DIFF
- curwin->w_topfill = old_topfill;
- # endif
- curwin->w_botline = old_botline;
- changed_cline_bef_curs();
- update_topline();
-
- if (i != 0)
- {
- /*
- * First move cursor to end of match, then to start. This
- * moves the whole match onto the screen when 'nowrap' is set.
- */
- i = curwin->w_cursor.col;
- curwin->w_cursor.lnum += search_match_lines;
- curwin->w_cursor.col = search_match_endcol;
- validate_cursor();
- curwin->w_cursor.lnum -= search_match_lines;
- curwin->w_cursor.col = i;
- }
- validate_cursor();
-
- update_screen(NOT_VALID);
- msg_starthere();
- redrawcmdline();
- did_incsearch = TRUE;
- }
- #else
- ;
- #endif
- }
-
- returncmd:
-
- #ifdef FEAT_FKMAP
- cmd_fkmap = 0;
- #endif
-
- #ifdef FEAT_SEARCH_EXTRA
- if (did_incsearch)
- {
- curwin->w_cursor = old_cursor;
- curwin->w_curswant = old_curswant;
- curwin->w_leftcol = old_leftcol;
- curwin->w_topline = old_topline;
- # ifdef FEAT_DIFF
- curwin->w_topfill = old_topfill;
- # endif
- curwin->w_botline = old_botline;
- highlight_match = FALSE;
- validate_cursor(); /* needed for TAB */
- redraw_later(NOT_VALID);
- }
- #endif
-
- if (ccline.cmdbuff != NULL)
- {
- /*
- * Put line in history buffer (":" and "=" only when it was typed).
- */
- #ifdef FEAT_CMDHIST
- if (ccline.cmdlen && firstc != NUL
- && (some_key_typed || histype == HIST_SEARCH))
- {
- add_to_history(histype, ccline.cmdbuff, TRUE);
- if (firstc == ':')
- {
- vim_free(new_last_cmdline);
- new_last_cmdline = vim_strsave(ccline.cmdbuff);
- }
- }
- #endif
-
- if (gotesc) /* abandon command line */
- {
- vim_free(ccline.cmdbuff);
- ccline.cmdbuff = NULL;
- if (msg_scrolled == 0)
- compute_cmdrow();
- MSG("");
- redraw_cmdline = TRUE;
- }
- }
-
- /*
- * If the screen was shifted up, redraw the whole screen (later).
- * If the line is too long, clear it, so ruler and shown command do
- * not get printed in the middle of it.
- */
- msg_check();
- msg_scroll = save_msg_scroll;
- redir_off = FALSE;
-
- /* When the command line was typed, no need for a wait-return prompt. */
- if (some_key_typed)
- need_wait_return = FALSE;
-
- State = save_State;
- #ifdef USE_IM_CONTROL
- if (b_im_ptr != NULL)
- im_save_status(b_im_ptr);
- im_set_active(FALSE);
- #endif
- #ifdef FEAT_MOUSE
- setmouse();
- #endif
-
- return ccline.cmdbuff;
- }
-
- #if (defined(FEAT_CRYPT) || defined(FEAT_EVAL)) || defined(PROTO)
- /*
- * Get a command line with a prompt.
- * This is prepared to be called recursively from getcmdline() (e.g. by
- * f_input() when evaluating an expression from CTRL-R =).
- * Returns the command line in allocated memory, or NULL.
- */
- char_u *
- getcmdline_prompt(firstc, prompt, attr)
- int firstc;
- char_u *prompt; /* command line prompt */
- int attr; /* attributes for prompt */
- {
- char_u *s;
- struct cmdline_info save_ccline;
-
- save_ccline = ccline;
- ccline.cmdbuff = NULL;
- ccline.cmdprompt = prompt;
- ccline.cmdattr = attr;
- s = getcmdline(firstc, 1L, 0);
- ccline = save_ccline;
-
- return s;
- }
- #endif
-
- static int
- cmdline_charsize(idx)
- int idx;
- {
- #if defined(FEAT_CRYPT) || defined(FEAT_EVAL)
- if (cmdline_star) /* showing '*', always 1 position */
- return 1;
- #endif
- return ptr2cells(ccline.cmdbuff + idx);
- }
-
- /*
- * Compute the offset of the cursor on the command line for the prompt and
- * indent.
- */
- static void
- set_cmdspos()
- {
- if (ccline.cmdfirstc)
- ccline.cmdspos = 1 + ccline.cmdindent;
- else
- ccline.cmdspos = 0 + ccline.cmdindent;
- }
-
- /*
- * Compute the screen position for the cursor on the command line.
- */
- static void
- set_cmdspos_cursor()
- {
- int i, m, c;
-
- set_cmdspos();
- if (KeyTyped)
- m = Columns * Rows;
- else
- m = MAXCOL;
- for (i = 0; i < ccline.cmdlen && i < ccline.cmdpos; ++i)
- {
- c = cmdline_charsize(i);
- #ifdef FEAT_MBYTE
- /* Count ">" for double-wide char that doesn't fit. */
- if (has_mbyte
- && (*mb_ptr2cells)(ccline.cmdbuff + i) > 1
- && ccline.cmdspos % Columns + c > Columns)
- ccline.cmdspos++;
- #endif
- /* If the cmdline doesn't fit, put cursor on last visible char. */
- if ((ccline.cmdspos += c) >= m)
- {
- ccline.cmdpos = i - 1;
- ccline.cmdspos -= c;
- break;
- }
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- i += (*mb_ptr2len_check)(ccline.cmdbuff + i) - 1;
- #endif
- }
- }
-
- /*
- * Get an Ex command line for the ":" command.
- */
- /* ARGSUSED */
- char_u *
- getexline(c, dummy, indent)
- int c; /* normally ':', NUL for ":append" */
- void *dummy; /* cookie not used */
- int indent; /* indent for inside conditionals */
- {
- /* When executing a register, remove ':' that's in front of each line. */
- if (exec_from_reg && vpeekc() == ':')
- (void)vgetc();
- return getcmdline(c, 1L, indent);
- }
-
- /*
- * Get an Ex command line for Ex mode.
- * In Ex mode we only use the OS supplied line editing features and no
- * mappings or abbreviations.
- */
- /* ARGSUSED */
- char_u *
- getexmodeline(c, dummy, indent)
- int c; /* normally ':', NUL for ":append" */
- void *dummy; /* cookie not used */
- int indent; /* indent for inside conditionals */
- {
- garray_T line_ga;
- int len;
- int off = 0;
- char_u *p;
- int finished = FALSE;
- #if defined(FEAT_GUI) || defined(NO_COOKED_INPUT)
- int startcol = 0;
- int c1;
- int escaped = FALSE; /* CTRL-V typed */
- int vcol = 0;
- #endif
-
- /* Switch cursor on now. This avoids that it happens after the "\n", which
- * confuses the system function that computes tabstops. */
- cursor_on();
-
- /* always start in column 0; write a newline if necessary */
- compute_cmdrow();
- if (msg_col)
- msg_putchar('\n');
- if (c == ':')
- {
- msg_putchar(':');
- while (indent-- > 0)
- msg_putchar(' ');
- #if defined(FEAT_GUI) || defined(NO_COOKED_INPUT)
- startcol = msg_col;
- #endif
- }
-
- ga_init2(&line_ga, 1, 30);
-
- /*
- * Get the line, one character at a time.
- */
- got_int = FALSE;
- while (!got_int && !finished)
- {
- if (ga_grow(&line_ga, 40) == FAIL)
- break;
- p = (char_u *)line_ga.ga_data + line_ga.ga_len;
-
- /* Get one character (inchar gets a third of maxlen characters!) */
- len = inchar(p + off, 3, -1L);
- if (len < 0)
- continue; /* end of input script reached */
- /* for a special character, we need at least three characters */
- if ((*p == K_SPECIAL || *p == CSI) && off + len < 3)
- {
- off += len;
- continue;
- }
- len += off;
- off = 0;
-
- /*
- * When using the GUI, and for systems that don't have cooked input,
- * handle line editing here.
- */
- #if defined(FEAT_GUI) || defined(NO_COOKED_INPUT)
- # ifndef NO_COOKED_INPUT
- if (gui.in_use)
- # endif
- {
- if (got_int)
- {
- msg_putchar('\n');
- break;
- }
-
- while (len > 0)
- {
- c1 = *p++;
- --len;
- if ((c1 == K_SPECIAL
- # if !defined(NO_COOKED_INPUT) || defined(FEAT_GUI)
- || c1 == CSI
- # endif
- ) && len >= 2)
- {
- c1 = TO_SPECIAL(p[0], p[1]);
- p += 2;
- len -= 2;
- }
-
- if (!escaped)
- {
- /* CR typed means "enter", which is NL */
- if (c1 == '\r')
- c1 = '\n';
-
- if (c1 == BS || c1 == K_BS
- || c1 == DEL || c1 == K_DEL || c1 == K_KDEL)
- {
- if (line_ga.ga_len > 0)
- {
- int i, v;
- char_u *q;
-
- --line_ga.ga_len;
- ++line_ga.ga_room;
- /* compute column that cursor should be in */
- v = 0;
- q = ((char_u *)line_ga.ga_data);
- for (i = 0; i < line_ga.ga_len; ++i)
- {
- if (*q == TAB)
- v += 8 - v % 8;
- else
- v += ptr2cells(q);
- ++q;
- }
- /* erase characters to position cursor */
- while (vcol > v)
- {
- msg_putchar('\b');
- msg_putchar(' ');
- msg_putchar('\b');
- --vcol;
- }
- }
- continue;
- }
-
- if (c1 == Ctrl_U)
- {
- msg_col = startcol;
- msg_clr_eos();
- line_ga.ga_room += line_ga.ga_len;
- line_ga.ga_len = 0;
- continue;
- }
-
- if (c1 == Ctrl_V)
- {
- escaped = TRUE;
- continue;
- }
- }
-
- if (IS_SPECIAL(c1))
- c1 = '?';
- ((char_u *)line_ga.ga_data)[line_ga.ga_len] = c1;
- if (c1 == '\n')
- msg_putchar('\n');
- else if (c1 == TAB)
- {
- /* Don't use chartabsize(), 'ts' can be different */
- do
- {
- msg_putchar(' ');
- } while (++vcol % 8);
- }
- else
- {
- msg_outtrans_len(
- ((char_u *)line_ga.ga_data) + line_ga.ga_len, 1);
- vcol += char2cells(c1);
- }
- ++line_ga.ga_len;
- --line_ga.ga_room;
- escaped = FALSE;
- }
- windgoto(msg_row, msg_col);
- }
- # ifndef NO_COOKED_INPUT
- else
- # endif
- #endif
- #ifndef NO_COOKED_INPUT
- {
- line_ga.ga_len += len;
- line_ga.ga_room -= len;
- }
- #endif
- p = (char_u *)(line_ga.ga_data) + line_ga.ga_len;
- if (line_ga.ga_len && p[-1] == '\n')
- {
- finished = TRUE;
- --line_ga.ga_len;
- --p;
- *p = NUL;
- }
- }
-
- /* note that cursor has moved, because of the echoed <CR> */
- screen_down();
- /* make following messages go to the next line */
- msg_didout = FALSE;
- msg_col = 0;
- if (msg_row < Rows - 1)
- ++msg_row;
- emsg_on_display = FALSE; /* don't want ui_delay() */
-
- if (got_int)
- ga_clear(&line_ga);
-
- return (char_u *)line_ga.ga_data;
- }
-
- #ifdef CURSOR_SHAPE
- /*
- * Return TRUE if ccline.overstrike is on.
- */
- int
- cmdline_overstrike()
- {
- return ccline.overstrike;
- }
-
- /*
- * Return TRUE if the cursor is at the end of the cmdline.
- */
- int
- cmdline_at_end()
- {
- return (ccline.cmdpos >= ccline.cmdlen);
- }
- #endif
-
- /*
- * Allocate a new command line buffer.
- * Assigns the new buffer to ccline.cmdbuff and ccline.cmdbufflen.
- * Returns the new value of ccline.cmdbuff and ccline.cmdbufflen.
- */
- static void
- alloc_cmdbuff(len)
- int len;
- {
- /*
- * give some extra space to avoid having to allocate all the time
- */
- if (len < 80)
- len = 100;
- else
- len += 20;
-
- ccline.cmdbuff = alloc(len); /* caller should check for out-of-memory */
- ccline.cmdbufflen = len;
- }
-
- /*
- * Re-allocate the command line to length len + something extra.
- * return FAIL for failure, OK otherwise
- */
- static int
- realloc_cmdbuff(len)
- int len;
- {
- char_u *p;
-
- p = ccline.cmdbuff;
- alloc_cmdbuff(len); /* will get some more */
- if (ccline.cmdbuff == NULL) /* out of memory */
- {
- ccline.cmdbuff = p; /* keep the old one */
- return FAIL;
- }
- mch_memmove(ccline.cmdbuff, p, (size_t)ccline.cmdlen + 1);
- vim_free(p);
- return OK;
- }
-
- /*
- * Put a character on the command line. Shifts the following text to the
- * right when "shift" is TRUE. Used for CTRL-V, CTRL-K, etc.
- * "c" must be printable (fit in one display cell)!
- */
- void
- putcmdline(c, shift)
- int c;
- int shift;
- {
- if (cmd_silent)
- return;
- msg_no_more = TRUE;
- msg_putchar(c);
- if (shift)
- msg_outtrans_len(ccline.cmdbuff + ccline.cmdpos,
- ccline.cmdlen - ccline.cmdpos);
- msg_no_more = FALSE;
- cursorcmd();
- }
-
- /*
- * Undo a putcmdline(c, FALSE).
- */
- void
- unputcmdline()
- {
- if (cmd_silent)
- return;
- msg_no_more = TRUE;
- if (ccline.cmdlen == ccline.cmdpos)
- msg_putchar(' ');
- else
- msg_outtrans_len(ccline.cmdbuff + ccline.cmdpos, 1);
- msg_no_more = FALSE;
- cursorcmd();
- }
-
- /*
- * Put the given string, of the given length, onto the command line.
- * If len is -1, then STRLEN() is used to calculate the length.
- * If 'redraw' is TRUE then the new part of the command line, and the remaining
- * part will be redrawn, otherwise it will not. If this function is called
- * twice in a row, then 'redraw' should be FALSE and redrawcmd() should be
- * called afterwards.
- */
- int
- put_on_cmdline(str, len, redraw)
- char_u *str;
- int len;
- int redraw;
- {
- int retval;
- int i;
- int m;
- int c;
-
- if (len < 0)
- len = (int)STRLEN(str);
-
- /* Check if ccline.cmdbuff needs to be longer */
- if (ccline.cmdlen + len + 1 >= ccline.cmdbufflen)
- retval = realloc_cmdbuff(ccline.cmdlen + len);
- else
- retval = OK;
- if (retval == OK)
- {
- if (!ccline.overstrike)
- {
- mch_memmove(ccline.cmdbuff + ccline.cmdpos + len,
- ccline.cmdbuff + ccline.cmdpos,
- (size_t)(ccline.cmdlen - ccline.cmdpos));
- ccline.cmdlen += len;
- }
- else
- {
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- {
- /* Count nr of characters in the new string. */
- m = 0;
- for (i = 0; i < len; i += (*mb_ptr2len_check)(str + i))
- ++m;
- /* Count nr of bytes in cmdline that are overwritten by these
- * characters. */
- for (i = ccline.cmdpos; i < ccline.cmdlen && m > 0;
- i += (*mb_ptr2len_check)(ccline.cmdbuff + i))
- --m;
- if (i < ccline.cmdlen)
- {
- mch_memmove(ccline.cmdbuff + ccline.cmdpos + len,
- ccline.cmdbuff + i, (size_t)(ccline.cmdlen - i));
- ccline.cmdlen += ccline.cmdpos + len - i;
- }
- else
- ccline.cmdlen = ccline.cmdpos + len;
- }
- else
- #endif
- if (ccline.cmdpos + len > ccline.cmdlen)
- ccline.cmdlen = ccline.cmdpos + len;
- }
- mch_memmove(ccline.cmdbuff + ccline.cmdpos, str, (size_t)len);
- ccline.cmdbuff[ccline.cmdlen] = NUL;
-
- #ifdef FEAT_MBYTE
- /* When the inserted text starts with a composing character, backup to
- * the character before it. There could be two of them. */
- c = 0;
- while (enc_utf8 && ccline.cmdpos > 0
- && utf_iscomposing(utf_ptr2char(ccline.cmdbuff + ccline.cmdpos)))
- {
- c = (*mb_head_off)(ccline.cmdbuff,
- ccline.cmdbuff + ccline.cmdpos - 1) + 1;
- ccline.cmdpos -= c;
- len += c;
- }
- if (c != 0)
- {
- /* Also backup the cursor position. */
- c -= ptr2cells(ccline.cmdbuff + ccline.cmdpos);
- ccline.cmdspos -= c;
- msg_col -= c;
- if (msg_col < 0)
- {
- msg_col += Columns;
- --msg_row;
- }
- }
- #endif
-
- if (redraw && !cmd_silent)
- {
- #if defined(FEAT_CRYPT) || defined(FEAT_EVAL)
- if (cmdline_star) /* only write '*' characters */
- for (i = ccline.cmdpos; i < ccline.cmdlen; ++i)
- msg_putchar('*');
- else
- #endif
- {
- msg_no_more = TRUE;
- i = cmdline_row;
- msg_outtrans_len(ccline.cmdbuff + ccline.cmdpos,
- ccline.cmdlen - ccline.cmdpos);
- /* Avoid clearing the rest of the line too often. */
- if (cmdline_row != i || ccline.overstrike)
- msg_clr_eos();
- msg_no_more = FALSE;
- }
- }
- #ifdef FEAT_FKMAP
- /*
- * If we are in Farsi command mode, the character input must be in
- * Insert mode. So do not advance the cmdpos.
- */
- if (!cmd_fkmap)
- #endif
- {
- if (KeyTyped)
- m = Columns * Rows;
- else
- m = MAXCOL;
- for (i = 0; i < len; ++i)
- {
- c = cmdline_charsize(ccline.cmdpos);
- #ifdef FEAT_MBYTE
- /* count ">" for a double-wide char that doesn't fit. */
- if (has_mbyte
- && (*mb_ptr2cells)(ccline.cmdbuff + ccline.cmdpos) > 1
- && ccline.cmdspos % Columns + c > Columns)
- ccline.cmdspos++;
- #endif
- /* Stop cursor at the end of the screen */
- if (ccline.cmdspos + c >= m)
- break;
- ccline.cmdspos += c;
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- {
- c = (*mb_ptr2len_check)(ccline.cmdbuff + ccline.cmdpos) - 1;
- if (c > len - i - 1)
- c = len - i - 1;
- ccline.cmdpos += c;
- i += c;
- }
- #endif
- ++ccline.cmdpos;
- }
- }
- }
- if (redraw)
- msg_check();
- return retval;
- }
-
- #ifdef FEAT_WILDMENU
- /*
- * Delete characters on the command line, from "from" to the current
- * position.
- */
- static void
- cmdline_del(from)
- int from;
- {
- mch_memmove(ccline.cmdbuff + from, ccline.cmdbuff + ccline.cmdpos,
- (size_t)(ccline.cmdlen - ccline.cmdpos + 1));
- ccline.cmdlen -= ccline.cmdpos - from;
- ccline.cmdpos = from;
- }
- #endif
-
- /*
- * this fuction is called when the screen size changes and with incremental
- * search
- */
- void
- redrawcmdline()
- {
- if (cmd_silent)
- return;
- need_wait_return = FALSE;
- compute_cmdrow();
- redrawcmd();
- cursorcmd();
- }
-
- static void
- redrawcmdprompt()
- {
- int i;
-
- if (cmd_silent)
- return;
- if (ccline.cmdfirstc)
- msg_putchar(ccline.cmdfirstc);
- if (ccline.cmdprompt != NULL)
- {
- msg_puts_attr(ccline.cmdprompt, ccline.cmdattr);
- ccline.cmdindent = msg_col;
- }
- else
- for (i = ccline.cmdindent; i > 0; --i)
- msg_putchar(' ');
- }
-
- /*
- * Redraw what is currently on the command line.
- */
- void
- redrawcmd()
- {
- #if defined(FEAT_CRYPT) || defined(FEAT_EVAL)
- int i;
- #endif
-
- if (cmd_silent)
- return;
-
- msg_start();
- redrawcmdprompt();
- #if defined(FEAT_CRYPT) || defined(FEAT_EVAL)
- if (cmdline_star)
- {
- /* Show '*' for every character typed */
- for (i = 0; i < ccline.cmdlen; ++i)
- msg_putchar('*');
- msg_clr_eos();
- }
- else
- #endif
- {
- /* Don't use more prompt, truncate the cmdline if it doesn't fit. */
- msg_no_more = TRUE;
- msg_outtrans_len(ccline.cmdbuff, ccline.cmdlen);
- msg_clr_eos();
- msg_no_more = FALSE;
- }
- set_cmdspos_cursor();
-
- /*
- * An emsg() before may have set msg_scroll. This is used in normal mode,
- * in cmdline mode we can reset them now.
- */
- msg_scroll = FALSE; /* next message overwrites cmdline */
-
- /* Typing ':' at the more prompt may set skip_redraw. We don't want this
- * in cmdline mode */
- skip_redraw = FALSE;
- }
-
- void
- compute_cmdrow()
- {
- if (exmode_active || msg_scrolled)
- cmdline_row = Rows - 1;
- else
- cmdline_row = W_WINROW(lastwin) + lastwin->w_height
- + W_STATUS_HEIGHT(lastwin);
- }
-
- static void
- cursorcmd()
- {
- if (cmd_silent)
- return;
- msg_row = cmdline_row + (ccline.cmdspos / (int)Columns);
- msg_col = ccline.cmdspos % (int)Columns;
- if (msg_row >= Rows)
- msg_row = Rows - 1;
- windgoto(msg_row, msg_col);
- #ifdef MCH_CURSOR_SHAPE
- mch_update_cursor();
- #endif
- }
-
- void
- gotocmdline(clr)
- int clr;
- {
- msg_start();
- msg_col = 0; /* always start in column 0 */
- if (clr) /* clear the bottom line(s) */
- msg_clr_eos(); /* will reset clear_cmdline */
- windgoto(cmdline_row, 0);
- }
-
- /*
- * Check the word in front of the cursor for an abbreviation.
- * Called when the non-id character "c" has been entered.
- * When an abbreviation is recognized it is removed from the text with
- * backspaces and the replacement string is inserted, followed by "c".
- */
- static int
- ccheck_abbr(c)
- int c;
- {
- if (p_paste || no_abbr) /* no abbreviations or in paste mode */
- return FALSE;
-
- return check_abbr(c, ccline.cmdbuff, ccline.cmdpos, 0);
- }
-
- /*
- * Return FAIL if this is not an appropriate context in which to do
- * completion of anything, return OK if it is (even if there are no matches).
- * For the caller, this means that the character is just passed through like a
- * normal character (instead of being expanded). This allows :s/^I^D etc.
- */
- static int
- nextwild(xp, type, options)
- expand_T *xp;
- int type;
- int options; /* extra options for ExpandOne() */
- {
- int i, j;
- char_u *p1;
- char_u *p2;
- int oldlen;
- int difflen;
- int v;
-
- if (cmd_numfiles == -1)
- set_expand_context(xp);
-
- if (xp->xp_context == EXPAND_UNSUCCESSFUL)
- {
- beep_flush();
- return OK; /* Something illegal on command line */
- }
- if (xp->xp_context == EXPAND_NOTHING)
- {
- /* Caller can use the character as a normal char instead */
- return FAIL;
- }
-
- MSG_PUTS("..."); /* show that we are busy */
- out_flush();
-
- i = (int)(xp->xp_pattern - ccline.cmdbuff);
- oldlen = ccline.cmdpos - i;
-
- if (type == WILD_NEXT || type == WILD_PREV)
- {
- /*
- * Get next/previous match for a previous expanded pattern.
- */
- p2 = ExpandOne(xp, NULL, NULL, 0, type);
- }
- else
- {
- /*
- * Translate string into pattern and expand it.
- */
- if ((p1 = addstar(&ccline.cmdbuff[i], oldlen, xp->xp_context)) == NULL)
- p2 = NULL;
- else
- {
- p2 = ExpandOne(xp, p1, vim_strnsave(&ccline.cmdbuff[i], oldlen),
- WILD_HOME_REPLACE|WILD_ADD_SLASH|WILD_SILENT|WILD_ESCAPE
- |options, type);
- vim_free(p1);
- /* longest match: make sure it is not shorter (happens with :help */
- if (p2 != NULL && type == WILD_LONGEST)
- {
- for (j = 0; j < oldlen; ++j)
- if (ccline.cmdbuff[i + j] == '*'
- || ccline.cmdbuff[i + j] == '?')
- break;
- if ((int)STRLEN(p2) < j)
- {
- vim_free(p2);
- p2 = NULL;
- }
- }
- }
- }
-
- if (p2 != NULL && !got_int)
- {
- difflen = (int)STRLEN(p2) - oldlen;
- if (ccline.cmdlen + difflen > ccline.cmdbufflen - 4)
- {
- v = realloc_cmdbuff(ccline.cmdlen + difflen);
- xp->xp_pattern = ccline.cmdbuff + i;
- }
- else
- v = OK;
- if (v == OK)
- {
- vim_strncpy(&ccline.cmdbuff[ccline.cmdpos + difflen],
- &ccline.cmdbuff[ccline.cmdpos],
- ccline.cmdlen - ccline.cmdpos + 1);
- STRNCPY(&ccline.cmdbuff[i], p2, STRLEN(p2));
- ccline.cmdlen += difflen;
- ccline.cmdpos += difflen;
- }
- }
- vim_free(p2);
-
- redrawcmd();
-
- /* When expanding a ":map" command and no matches are found, assume that
- * the key is supposed to be inserted literally */
- if (xp->xp_context == EXPAND_MAPPINGS && p2 == NULL)
- return FAIL;
-
- if (cmd_numfiles <= 0 && p2 == NULL)
- beep_flush();
- else if (cmd_numfiles == 1)
- /* free expanded pattern */
- (void)ExpandOne(xp, NULL, NULL, 0, WILD_FREE);
-
- return OK;
- }
-
- /*
- * Do wildcard expansion on the string 'str'.
- * Chars that should not be expanded must be preceded with a backslash.
- * Return a pointer to alloced memory containing the new string.
- * Return NULL for failure.
- *
- * Results are cached in cmd_files and cmd_numfiles.
- *
- * mode = WILD_FREE: just free previously expanded matches
- * mode = WILD_EXPAND_FREE: normal expansion, do not keep matches
- * mode = WILD_EXPAND_KEEP: normal expansion, keep matches
- * mode = WILD_NEXT: use next match in multiple match, wrap to first
- * mode = WILD_PREV: use previous match in multiple match, wrap to first
- * mode = WILD_ALL: return all matches concatenated
- * mode = WILD_LONGEST: return longest matched part
- *
- * options = WILD_LIST_NOTFOUND: list entries without a match
- * options = WILD_HOME_REPLACE: do home_replace() for buffer names
- * options = WILD_USE_NL: Use '\n' for WILD_ALL
- * options = WILD_NO_BEEP: Don't beep for multiple matches
- * options = WILD_ADD_SLASH: add a slash after directory names
- * options = WILD_KEEP_ALL: don't remove 'wildignore' entries
- * options = WILD_SILENT: don't print warning messages
- * options = WILD_ESCAPE: put backslash before special chars
- *
- * The variable xp->xp_context must have been set!
- */
- char_u *
- ExpandOne(xp, str, orig, options, mode)
- expand_T *xp;
- char_u *str;
- char_u *orig; /* allocated copy of original of expanded string */
- int options;
- int mode;
- {
- char_u *ss = NULL;
- static int findex;
- static char_u *orig_save = NULL; /* kept value of orig */
- int i;
- long_u len;
- int non_suf_match; /* number without matching suffix */
-
- /*
- * first handle the case of using an old match
- */
- if (mode == WILD_NEXT || mode == WILD_PREV)
- {
- if (cmd_numfiles > 0)
- {
- if (mode == WILD_PREV)
- {
- if (findex == -1)
- findex = cmd_numfiles;
- --findex;
- }
- else /* mode == WILD_NEXT */
- ++findex;
-
- /*
- * When wrapping around, return the original string, set findex to
- * -1.
- */
- if (findex < 0)
- {
- if (orig_save == NULL)
- findex = cmd_numfiles - 1;
- else
- findex = -1;
- }
- if (findex >= cmd_numfiles)
- {
- if (orig_save == NULL)
- findex = 0;
- else
- findex = -1;
- }
- #ifdef FEAT_WILDMENU
- if (p_wmnu)
- win_redr_status_matches(xp, cmd_numfiles, cmd_files, findex);
- #endif
- if (findex == -1)
- return vim_strsave(orig_save);
- return vim_strsave(cmd_files[findex]);
- }
- else
- return NULL;
- }
-
- /* free old names */
- if (cmd_numfiles != -1 && mode != WILD_ALL && mode != WILD_LONGEST)
- {
- FreeWild(cmd_numfiles, cmd_files);
- cmd_numfiles = -1;
- vim_free(orig_save);
- orig_save = NULL;
- }
- findex = 0;
-
- if (mode == WILD_FREE) /* only release file name */
- return NULL;
-
- if (cmd_numfiles == -1)
- {
- vim_free(orig_save);
- orig_save = orig;
-
- /*
- * Do the expansion.
- */
- if (ExpandFromContext(xp, str, &cmd_numfiles, &cmd_files,
- options) == FAIL)
- {
- #ifdef FNAME_ILLEGAL
- /* Illegal file name has been silently skipped. But when there
- * are wildcards, the real problem is that there was no match,
- * causing the pattern to be added, which has illegal characters.
- */
- if (!(options & WILD_SILENT) && (options & WILD_LIST_NOTFOUND))
- EMSG2(_(e_nomatch2), str);
- #endif
- }
- else if (cmd_numfiles == 0)
- {
- if (!(options & WILD_SILENT))
- EMSG2(_(e_nomatch2), str);
- }
- else
- {
- /* Escape the matches for use on the command line. */
- ExpandEscape(xp, str, cmd_numfiles, cmd_files, options);
-
- /*
- * Check for matching suffixes in file names.
- */
- if (mode != WILD_ALL && mode != WILD_LONGEST)
- {
- if (cmd_numfiles)
- non_suf_match = cmd_numfiles;
- else
- non_suf_match = 1;
- if ((xp->xp_context == EXPAND_FILES
- || xp->xp_context == EXPAND_DIRECTORIES)
- && cmd_numfiles > 1)
- {
- /*
- * More than one match; check suffix.
- * The files will have been sorted on matching suffix in
- * expand_wildcards, only need to check the first two.
- */
- non_suf_match = 0;
- for (i = 0; i < 2; ++i)
- if (match_suffix(cmd_files[i]))
- ++non_suf_match;
- }
- if (non_suf_match != 1)
- {
- /* Can we ever get here unless it's while expanding
- * interactively? If not, we can get rid of this all
- * together. Don't really want to wait for this message
- * (and possibly have to hit return to continue!).
- */
- if (!(options & WILD_SILENT))
- EMSG(_(e_toomany));
- else if (!(options & WILD_NO_BEEP))
- beep_flush();
- }
- if (!(non_suf_match != 1 && mode == WILD_EXPAND_FREE))
- ss = vim_strsave(cmd_files[0]);
- }
- }
- }
-
- /* Find longest common part */
- if (mode == WILD_LONGEST && cmd_numfiles > 0)
- {
- for (len = 0; cmd_files[0][len]; ++len)
- {
- for (i = 0; i < cmd_numfiles; ++i)
- {
- #ifdef CASE_INSENSITIVE_FILENAME
- if (xp->xp_context == EXPAND_DIRECTORIES
- || xp->xp_context == EXPAND_FILES
- || xp->xp_context == EXPAND_BUFFERS)
- {
- if (TO_LOWER(cmd_files[i][len]) !=
- TO_LOWER(cmd_files[0][len]))
- break;
- }
- else
- #endif
- if (cmd_files[i][len] != cmd_files[0][len])
- break;
- }
- if (i < cmd_numfiles)
- {
- if (!(options & WILD_NO_BEEP))
- vim_beep();
- break;
- }
- }
- ss = alloc((unsigned)len + 1);
- if (ss)
- {
- STRNCPY(ss, cmd_files[0], len);
- ss[len] = NUL;
- }
- findex = -1; /* next p_wc gets first one */
- }
-
- /* Concatenate all matching names */
- if (mode == WILD_ALL && cmd_numfiles > 0)
- {
- len = 0;
- for (i = 0; i < cmd_numfiles; ++i)
- len += (long_u)STRLEN(cmd_files[i]) + 1;
- ss = lalloc(len, TRUE);
- if (ss != NULL)
- {
- *ss = NUL;
- for (i = 0; i < cmd_numfiles; ++i)
- {
- STRCAT(ss, cmd_files[i]);
- if (i != cmd_numfiles - 1)
- STRCAT(ss, (options & WILD_USE_NL) ? "\n" : " ");
- }
- }
- }
-
- if (mode == WILD_EXPAND_FREE || mode == WILD_ALL)
- {
- FreeWild(cmd_numfiles, cmd_files);
- cmd_numfiles = -1;
- }
-
- return ss;
- }
-
- void
- ExpandEscape(xp, str, numfiles, files, options)
- expand_T *xp;
- char_u *str;
- int numfiles;
- char_u **files;
- int options;
- {
- int i;
- char_u *p;
-
- /*
- * May change home directory back to "~"
- */
- if (options & WILD_HOME_REPLACE)
- tilde_replace(str, numfiles, files);
-
- if (options & WILD_ESCAPE)
- {
- if (xp->xp_context == EXPAND_FILES
- || xp->xp_context == EXPAND_BUFFERS
- || xp->xp_context == EXPAND_DIRECTORIES)
- {
- /*
- * Insert a backslash into a file name before a space, \, %, #
- * and wildmatch characters, except '~'.
- */
- for (i = 0; i < numfiles; ++i)
- {
- /* for ":set path=" we need to escape spaces twice */
- if (xp->xp_set_path)
- {
- p = vim_strsave_escaped(files[i], (char_u *)" ");
- if (p != NULL)
- {
- vim_free(files[i]);
- files[i] = p;
- #if defined(BACKSLASH_IN_FILENAME) || defined(COLON_AS_PATHSEP)
- p = vim_strsave_escaped(files[i], (char_u *)" ");
- if (p != NULL)
- {
- vim_free(files[i]);
- files[i] = p;
- }
- #endif
- }
- }
- p = vim_strsave_escaped(files[i], PATH_ESC_CHARS);
- if (p != NULL)
- {
- vim_free(files[i]);
- files[i] = p;
- }
-
- /* If 'str' starts with "\~", replace "~" at start of
- * files[i] with "\~". */
- if (str[0] == '\\' && str[1] == '~' && files[i][0] == '~')
- {
- p = alloc((unsigned)(STRLEN(files[i]) + 2));
- if (p != NULL)
- {
- p[0] = '\\';
- STRCPY(p + 1, files[i]);
- vim_free(files[i]);
- files[i] = p;
- }
- }
- }
- xp->xp_set_path = FALSE;
- }
- else if (xp->xp_context == EXPAND_TAGS)
- {
- /*
- * Insert a backslash before characters in a tag name that
- * would terminate the ":tag" command.
- */
- for (i = 0; i < numfiles; ++i)
- {
- p = vim_strsave_escaped(files[i], (char_u *)"\\|\"");
- if (p != NULL)
- {
- vim_free(files[i]);
- files[i] = p;
- }
- }
- }
- }
- }
-
- /*
- * For each file name in files[num_files]:
- * If 'orig_pat' starts with "~/", replace the home directory with "~".
- */
- void
- tilde_replace(orig_pat, num_files, files)
- char_u *orig_pat;
- int num_files;
- char_u **files;
- {
- int i;
- char_u *p;
-
- if (orig_pat[0] == '~' && vim_ispathsep(orig_pat[1]))
- {
- for (i = 0; i < num_files; ++i)
- {
- p = home_replace_save(NULL, files[i]);
- if (p != NULL)
- {
- vim_free(files[i]);
- files[i] = p;
- }
- }
- }
- }
-
- /*
- * Show all matches for completion on the command line.
- * Returns EXPAND_NOTHING when the character that triggered expansion should
- * be inserted like a normal character.
- */
- /*ARGSUSED*/
- static int
- showmatches(xp, wildmenu)
- expand_T *xp;
- int wildmenu;
- {
- int num_files;
- char_u **files_found;
- int i, j, k;
- int maxlen;
- int lines;
- int columns;
- char_u *p;
- int lastlen;
- int attr;
-
- if (cmd_numfiles == -1)
- {
- set_expand_context(xp);
- i = expand_cmdline(xp, ccline.cmdbuff, ccline.cmdpos,
- &num_files, &files_found);
- if (i != EXPAND_OK)
- return i;
-
- }
- else
- {
- num_files = cmd_numfiles;
- files_found = cmd_files;
- }
-
- #ifdef FEAT_WILDMENU
- if (!wildmenu)
- {
- #endif
- msg_didany = FALSE; /* lines_left will be set */
- msg_start(); /* prepare for paging */
- msg_putchar('\n');
- out_flush();
- cmdline_row = msg_row;
- msg_didany = FALSE; /* lines_left will be set again */
- msg_start(); /* prepare for paging */
- #ifdef FEAT_WILDMENU
- }
- #endif
-
- if (got_int)
- got_int = FALSE; /* only int. the completion, not the cmd line */
- #ifdef FEAT_WILDMENU
- else if (wildmenu)
- win_redr_status_matches(xp, num_files, files_found, 0);
- #endif
- else
- {
- /* find the length of the longest file name */
- maxlen = 0;
- for (i = 0; i < num_files; ++i)
- {
- if (xp->xp_context == EXPAND_FILES
- || xp->xp_context == EXPAND_BUFFERS)
- {
- home_replace(NULL, files_found[i], NameBuff, MAXPATHL, TRUE);
- j = vim_strsize(NameBuff);
- }
- else
- j = vim_strsize(files_found[i]);
- if (j > maxlen)
- maxlen = j;
- }
-
- if (xp->xp_context == EXPAND_TAGS_LISTFILES)
- lines = num_files;
- else
- {
- /* compute the number of columns and lines for the listing */
- maxlen += 2; /* two spaces between file names */
- columns = ((int)Columns + 2) / maxlen;
- if (columns < 1)
- columns = 1;
- lines = (num_files + columns - 1) / columns;
- }
-
- attr = hl_attr(HLF_D); /* find out highlighting for directories */
-
- if (xp->xp_context == EXPAND_TAGS_LISTFILES)
- {
- MSG_PUTS_ATTR(_("tagname"), hl_attr(HLF_T));
- msg_clr_eos();
- msg_advance(maxlen - 3);
- MSG_PUTS_ATTR(_(" kind file\n"), hl_attr(HLF_T));
- }
-
- /* list the files line by line */
- for (i = 0; i < lines; ++i)
- {
- lastlen = 999;
- for (k = i; k < num_files; k += lines)
- {
- if (xp->xp_context == EXPAND_TAGS_LISTFILES)
- {
- msg_outtrans_attr(files_found[k], hl_attr(HLF_D));
- p = files_found[k] + STRLEN(files_found[k]) + 1;
- msg_advance(maxlen + 1);
- msg_puts(p);
- msg_advance(maxlen + 3);
- msg_puts_long_attr(p + 2, hl_attr(HLF_D));
- break;
- }
- for (j = maxlen - lastlen; --j >= 0; )
- msg_putchar(' ');
- if (xp->xp_context == EXPAND_FILES
- || xp->xp_context == EXPAND_BUFFERS)
- {
- /* highlight directories */
- j = (mch_isdir(files_found[k]));
- home_replace(NULL, files_found[k], NameBuff, MAXPATHL,
- TRUE);
- p = NameBuff;
- }
- else
- {
- j = FALSE;
- p = files_found[k];
- }
- lastlen = msg_outtrans_attr(p, j ? attr : 0);
- }
- if (msg_col > 0) /* when not wrapped around */
- {
- msg_clr_eos();
- msg_putchar('\n');
- }
- out_flush(); /* show one line at a time */
- if (got_int)
- {
- got_int = FALSE;
- break;
- }
- }
-
- /*
- * we redraw the command below the lines that we have just listed
- * This is a bit tricky, but it saves a lot of screen updating.
- */
- cmdline_row = msg_row; /* will put it back later */
- }
-
- if (cmd_numfiles == -1)
- FreeWild(num_files, files_found);
-
- return EXPAND_OK;
- }
-
- /*
- * Prepare a string for expansion.
- * When expanding file names: The string will be used with expand_wildcards().
- * Copy the file name into allocated memory and add a '*' at the end.
- * When expanding other names: The string will be used with regcomp(). Copy
- * the name into allocated memory and add ".*" at the end.
- */
- char_u *
- addstar(fname, len, context)
- char_u *fname;
- int len;
- int context; /* EXPAND_FILES etc. */
- {
- char_u *retval;
- int i, j;
- int new_len;
- char_u *tail;
-
- if (context != EXPAND_FILES && context != EXPAND_DIRECTORIES)
- {
- /*
- * Matching will be done internally (on something other than files).
- * So we convert the file-matching-type wildcards into our kind for
- * use with vim_regcomp(). First work out how long it will be:
- */
-
- /* for help tags the translation is done in find_help_tags() */
- if (context == EXPAND_HELP
- || context == EXPAND_COLORS
- || context == EXPAND_COMPILER)
- retval = vim_strnsave(fname, len);
- else
- {
- new_len = len + 2; /* +2 for '^' at start, NUL at end */
- for (i = 0; i < len; i++)
- {
- if (fname[i] == '*' || fname[i] == '~')
- new_len++; /* '*' needs to be replaced by ".*"
- '~' needs to be replaced by "\~" */
-
- /* Buffer names are like file names. "." should be literal */
- if (context == EXPAND_BUFFERS && fname[i] == '.')
- new_len++; /* "." becomes "\." */
- }
- retval = alloc(new_len);
- if (retval != NULL)
- {
- retval[0] = '^';
- j = 1;
- for (i = 0; i < len; i++, j++)
- {
- if (fname[i] == '\\' && ++i == len) /* skip backslash */
- break;
-
- switch (fname[i])
- {
- case '*': retval[j++] = '.';
- break;
- case '~': retval[j++] = '\\';
- break;
- case '?': retval[j] = '.';
- continue;
- case '.': if (context == EXPAND_BUFFERS)
- retval[j++] = '\\';
- break;
- }
- retval[j] = fname[i];
- }
- retval[j] = NUL;
- }
- }
- }
- else
- {
- retval = alloc(len + 4);
- if (retval != NULL)
- {
- STRNCPY(retval, fname, len);
- retval[len] = NUL;
-
- /*
- * Don't add a star to ~, ~user, $var or `cmd`.
- * ~ would be at the start of the file name, but not the tail.
- * $ could be anywhere in the tail.
- * ` could be anywhere in the file name.
- */
- tail = gettail(retval);
- if ((*retval != '~' || tail != retval)
- && vim_strchr(tail, '$') == NULL
- && vim_strchr(retval, '`') == NULL)
- retval[len++] = '*';
- retval[len] = NUL;
- }
- }
- return retval;
- }
-
- /*
- * Must parse the command line so far to work out what context we are in.
- * Completion can then be done based on that context.
- * This routine sets the variables:
- * xp->xp_pattern The start of the pattern to be expanded within
- * the command line (ends at the cursor).
- * xp->xp_context The type of thing to expand. Will be one of:
- *
- * EXPAND_UNSUCCESSFUL Used sometimes when there is something illegal on
- * the command line, like an unknown command. Caller
- * should beep.
- * EXPAND_NOTHING Unrecognised context for completion, use char like
- * a normal char, rather than for completion. eg
- * :s/^I/
- * EXPAND_COMMANDS Cursor is still touching the command, so complete
- * it.
- * EXPAND_BUFFERS Complete file names for :buf and :sbuf commands.
- * EXPAND_FILES After command with XFILE set, or after setting
- * with P_EXPAND set. eg :e ^I, :w>>^I
- * EXPAND_DIRECTORIES In some cases this is used instead of the latter
- * when we know only directories are of interest. eg
- * :set dir=^I
- * EXPAND_SETTINGS Complete variable names. eg :set d^I
- * EXPAND_BOOL_SETTINGS Complete boolean variables only, eg :set no^I
- * EXPAND_TAGS Complete tags from the files in p_tags. eg :ta a^I
- * EXPAND_TAGS_LISTFILES As above, but list filenames on ^D, after :tselect
- * EXPAND_HELP Complete tags from the file 'helpfile'/tags
- * EXPAND_EVENTS Complete event names
- * EXPAND_SYNTAX Complete :syntax command arguments
- * EXPAND_HIGHLIGHT Complete highlight (syntax) group names
- * EXPAND_AUGROUP Complete autocommand group names
- * EXPAND_USER_VARS Complete user defined variable names, eg :unlet a^I
- * EXPAND_MAPPINGS Complete mapping and abbreviation names,
- * eg :unmap a^I , :cunab x^I
- * EXPAND_FUNCTIONS Complete internal or user defined function names,
- * eg :call sub^I
- * EXPAND_USER_FUNC Complete user defined function names, eg :delf F^I
- * EXPAND_EXPRESSION Complete internal or user defined function/variable
- * names in expressions, eg :while s^I
- * EXPAND_ENV_VARS Complete environment variable names
- */
- static void
- set_expand_context(xp)
- expand_T *xp;
- {
- /* only expansion for ':' and '>' commands */
- if (ccline.cmdfirstc != ':'
- #ifdef FEAT_EVAL
- && ccline.cmdfirstc != '>'
- #endif
- )
- {
- xp->xp_context = EXPAND_NOTHING;
- return;
- }
- set_cmd_context(xp, ccline.cmdbuff, ccline.cmdlen, ccline.cmdpos);
- }
-
- void
- set_cmd_context(xp, str, len, col)
- expand_T *xp;
- char_u *str; /* start of command line */
- int len; /* length of command line (excl. NUL) */
- int col; /* position of cursor */
- {
- int old_char = NUL;
- char_u *nextcomm;
-
- /*
- * Avoid a UMR warning from Purify, only save the character if it has been
- * written before.
- */
- if (col < len)
- old_char = str[col];
- str[col] = NUL;
- nextcomm = str;
- while (nextcomm != NULL)
- nextcomm = set_one_cmd_context(xp, nextcomm);
- str[col] = old_char;
- }
-
- /*
- * Expand the command line "str" from context "xp".
- * "xp" must have been set by set_cmd_context().
- * xp->xp_pattern points into "str", to where the text that is to be expanded
- * starts.
- * Returns EXPAND_UNSUCCESSFUL when there is something illegal before the
- * cursor.
- * Returns EXPAND_NOTHING when there is nothing to expand, might insert the
- * key that triggered expansion literally.
- * Returns EXPAND_OK otherwise.
- */
- int
- expand_cmdline(xp, str, col, matchcount, matches)
- expand_T *xp;
- char_u *str; /* start of command line */
- int col; /* position of cursor */
- int *matchcount; /* return: nr of matches */
- char_u ***matches; /* return: array of pointers to matches */
- {
- char_u *file_str = NULL;
-
- if (xp->xp_context == EXPAND_UNSUCCESSFUL)
- {
- beep_flush();
- return EXPAND_UNSUCCESSFUL; /* Something illegal on command line */
- }
- if (xp->xp_context == EXPAND_NOTHING)
- {
- /* Caller can use the character as a normal char instead */
- return EXPAND_NOTHING;
- }
-
- /* add star to file name, or convert to regexp if not exp. files. */
- file_str = addstar(xp->xp_pattern,
- (int)(str + col - xp->xp_pattern), xp->xp_context);
- if (file_str == NULL)
- return EXPAND_UNSUCCESSFUL;
-
- /* find all files that match the description */
- if (ExpandFromContext(xp, file_str, matchcount, matches,
- WILD_ADD_SLASH|WILD_SILENT) == FAIL)
- {
- *matchcount = 0;
- *matches = NULL;
- }
- vim_free(file_str);
-
- return EXPAND_OK;
- }
-
- /*
- * Do the expansion based on xp->xp_context and "pat".
- */
- static int
- ExpandFromContext(xp, pat, num_file, file, options)
- expand_T *xp;
- char_u *pat;
- int *num_file;
- char_u ***file;
- int options;
- {
- #ifdef FEAT_CMDL_COMPL
- regmatch_T regmatch;
- #endif
- int ret;
- int flags;
-
- flags = EW_DIR; /* include directories */
- if (options & WILD_LIST_NOTFOUND)
- flags |= EW_NOTFOUND;
- if (options & WILD_ADD_SLASH)
- flags |= EW_ADDSLASH;
- if (options & WILD_KEEP_ALL)
- flags |= EW_KEEPALL;
- if (options & WILD_SILENT)
- flags |= EW_SILENT;
-
- if (xp->xp_context == EXPAND_FILES)
- {
- /*
- * Expand file names.
- */
- return expand_wildcards(1, &pat, num_file, file, flags|EW_FILE);
- }
- else if (xp->xp_context == EXPAND_DIRECTORIES)
- {
- /*
- * Expand directory names.
- */
- int free_pat = FALSE;
- int i;
-
- /* for ":set path=" we need to remove backslashes for escaped space */
- if (xp->xp_set_path)
- {
- free_pat = TRUE;
- pat = vim_strsave(pat);
- for (i = 0; pat[i]; ++i)
- if (pat[i] == '\\'
- && pat[i + 1] == '\\'
- && pat[i + 2] == '\\'
- && pat[i + 3] == ' ')
- STRCPY(pat + i, pat + i + 3);
- }
-
- ret = expand_wildcards(1, &pat, num_file, file,
- (flags | EW_DIR) & ~EW_FILE);
- if (free_pat)
- vim_free(pat);
- return ret;
- }
-
- *file = (char_u **)"";
- *num_file = 0;
- if (xp->xp_context == EXPAND_HELP)
- return find_help_tags(pat, num_file, file);
-
- #ifndef FEAT_CMDL_COMPL
- return FAIL;
- #else
- if (xp->xp_context == EXPAND_OLD_SETTING)
- return ExpandOldSetting(num_file, file);
- if (xp->xp_context == EXPAND_BUFFERS)
- return ExpandBufnames(pat, num_file, file, options);
- if (xp->xp_context == EXPAND_TAGS
- || xp->xp_context == EXPAND_TAGS_LISTFILES)
- return expand_tags(xp->xp_context == EXPAND_TAGS, pat, num_file, file);
- if (xp->xp_context == EXPAND_COLORS)
- return ExpandRTDir(pat, num_file, file, "colors");
- if (xp->xp_context == EXPAND_COMPILER)
- return ExpandRTDir(pat, num_file, file, "compiler");
-
- regmatch.regprog = vim_regcomp(pat, (int)p_magic);
- if (regmatch.regprog == NULL)
- return FAIL;
-
- /* set ignore-case according to p_ic, p_scs and pat */
- regmatch.rm_ic = ignorecase(pat);
-
- if (xp->xp_context == EXPAND_SETTINGS
- || xp->xp_context == EXPAND_BOOL_SETTINGS)
- ret = ExpandSettings(xp, ®match, num_file, file);
- else if (xp->xp_context == EXPAND_MAPPINGS)
- ret = ExpandMappings(®match, num_file, file);
- else
- {
- static struct expgen
- {
- int context;
- char_u *((*func)__ARGS((expand_T *, int)));
- int ic;
- } tab[] =
- {
- {EXPAND_COMMANDS, get_command_name, FALSE},
- #ifdef FEAT_USR_CMDS
- {EXPAND_USER_COMMANDS, get_user_commands, FALSE},
- {EXPAND_USER_CMD_FLAGS, get_user_cmd_flags, FALSE},
- {EXPAND_USER_NARGS, get_user_cmd_nargs, FALSE},
- {EXPAND_USER_COMPLETE, get_user_cmd_complete, FALSE},
- #endif
- #ifdef FEAT_EVAL
- {EXPAND_USER_VARS, get_user_var_name, FALSE},
- {EXPAND_FUNCTIONS, get_function_name, FALSE},
- {EXPAND_USER_FUNC, get_user_func_name, FALSE},
- {EXPAND_EXPRESSION, get_expr_name, FALSE},
- #endif
- #ifdef FEAT_MENU
- {EXPAND_MENUS, get_menu_name, FALSE},
- {EXPAND_MENUNAMES, get_menu_names, FALSE},
- #endif
- #ifdef FEAT_SYN_HL
- {EXPAND_SYNTAX, get_syntax_name, TRUE},
- #endif
- {EXPAND_HIGHLIGHT, get_highlight_name, TRUE},
- #ifdef FEAT_AUTOCMD
- {EXPAND_EVENTS, get_event_name, TRUE},
- {EXPAND_AUGROUP, get_augroup_name, TRUE},
- #endif
- #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
- && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
- {EXPAND_LANGUAGE, get_lang_arg, TRUE},
- #endif
- {EXPAND_ENV_VARS, get_env_name, TRUE},
- };
- int i;
-
- /*
- * Find a context in the table and call the ExpandGeneric() with the
- * right function to do the expansion.
- */
- ret = FAIL;
- for (i = 0; i < sizeof(tab) / sizeof(struct expgen); ++i)
- if (xp->xp_context == tab[i].context)
- {
- if (tab[i].ic)
- regmatch.rm_ic = TRUE;
- ret = ExpandGeneric(xp, ®match, num_file, file, tab[i].func);
- break;
- }
- }
-
- vim_free(regmatch.regprog);
-
- return ret;
- #endif /* FEAT_CMDL_COMPL */
- }
-
- #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
- /*
- * Expand a list of names.
- *
- * Generic function for command line completion. It calls a function to
- * obtain strings, one by one. The strings are matched against a regexp
- * program. Matching strings are copied into an array, which is returned.
- *
- * Returns OK when no problems encountered, FAIL for error (out of memory).
- */
- int
- ExpandGeneric(xp, regmatch, num_file, file, func)
- expand_T *xp;
- regmatch_T *regmatch;
- int *num_file;
- char_u ***file;
- char_u *((*func)__ARGS((expand_T *, int)));
- /* returns a string from the list */
- {
- int i;
- int count = 0;
- int loop;
- char_u *str;
-
- /* do this loop twice:
- * loop == 0: count the number of matching names
- * loop == 1: copy the matching names into allocated memory
- */
- for (loop = 0; loop <= 1; ++loop)
- {
- for (i = 0; ; ++i)
- {
- str = (*func)(xp, i);
- if (str == NULL) /* end of list */
- break;
- if (*str == NUL) /* skip empty strings */
- continue;
-
- if (vim_regexec(regmatch, str, (colnr_T)0))
- {
- if (loop)
- {
- str = vim_strsave_escaped(str, (char_u *)" \t\\.");
- (*file)[count] = str;
- #ifdef FEAT_MENU
- if (func == get_menu_names && str != NULL)
- {
- /* test for separator added by get_menu_names() */
- str += STRLEN(str) - 1;
- if (*str == '\001')
- *str = '.';
- }
- #endif
- }
- ++count;
- }
- }
- if (loop == 0)
- {
- if (count == 0)
- return OK;
- *num_file = count;
- *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *)));
- if (*file == NULL)
- {
- *file = (char_u **)"";
- return FAIL;
- }
- count = 0;
- }
- }
- return OK;
- }
-
- /*
- * Expand color scheme names: 'runtimepath'/colors/{pat}.vim
- * or compiler names.
- */
- static int
- ExpandRTDir(pat, num_file, file, dirname)
- char_u *pat;
- int *num_file;
- char_u ***file;
- char *dirname; /* "colors" or "compiler" */
- {
- char_u *all;
- char_u *s;
- char_u *e;
- garray_T ga;
-
- *num_file = 0;
- *file = NULL;
- s = alloc((unsigned)(STRLEN(pat) + STRLEN(dirname) + 7));
- if (s == NULL)
- return FAIL;
- sprintf((char *)s, "%s/%s*.vim", dirname, pat);
- all = globpath(p_rtp, s);
- vim_free(s);
- if (all == NULL)
- return FAIL;
-
- ga_init2(&ga, (int)sizeof(char *), 3);
- for (s = all; *s != NUL; s = e)
- {
- e = vim_strchr(s, '\n');
- if (e == NULL)
- e = s + STRLEN(s);
- if (ga_grow(&ga, 1) == FAIL)
- break;
- if (e - 4 > s && STRNICMP(e - 4, ".vim", 4) == 0)
- {
- for (s = e - 4; s > all; --s)
- if (*s == '\n' || vim_ispathsep(*s))
- break;
- ++s;
- ((char_u **)ga.ga_data)[ga.ga_len] =
- vim_strnsave(s, (int)(e - s - 4));
- ++ga.ga_len;
- --ga.ga_room;
- }
- if (*e != NUL)
- ++e;
- }
- vim_free(all);
- *file = ga.ga_data;
- *num_file = ga.ga_len;
- return OK;
- }
-
- #endif
-
- #if defined(FEAT_CMDL_COMPL) || defined(FEAT_EVAL) || defined(PROTO)
- /*
- * Expand "file" for all comma-separated directories in "path".
- * Returns an allocated strings with all matches concatenated, separated by
- * newlines. Returns NULL for an error or no matches.
- */
- char_u *
- globpath(path, file)
- char_u *path;
- char_u *file;
- {
- expand_T xpc;
- char_u *buf;
- garray_T ga;
- int len;
- char_u *p;
- char_u **save_cmd_files = cmd_files;
- int save_cmd_numfiles = cmd_numfiles;
-
- buf = alloc(MAXPATHL);
- if (buf == NULL)
- return NULL;
-
- /* ExpandOne() uses cmd_files and cmd_numfiles, need to save and restore
- * them. */
- cmd_files = NULL;
- cmd_numfiles = -1;
-
- xpc.xp_context = EXPAND_FILES;
- ga_init2(&ga, 1, 100);
-
- /* Loop over all entries in {path}. */
- while (*path != NUL)
- {
- /* Copy one item of the path to buf[] and concatenate the file name. */
- copy_option_part(&path, buf, MAXPATHL, ",");
- if (STRLEN(buf) + STRLEN(file) + 2 < MAXPATHL)
- {
- add_pathsep(buf);
- STRCAT(buf, file);
- p = ExpandOne(&xpc, buf, NULL, WILD_USE_NL|WILD_SILENT, WILD_ALL);
- if (p != NULL)
- {
- len = (int)STRLEN(p);
- if (ga.ga_data == NULL)
- {
- ga.ga_data = p;
- ga.ga_room = 0;
- ga.ga_len = len + 1;
- }
- else
- {
- /* Concatenate new results to previous ones. Insert a NL
- * and keep room for the trailing NUL. */
- ++len;
- if (ga_grow(&ga, len + 1) == OK)
- {
- STRCAT(ga.ga_data, "\n");
- STRCAT(ga.ga_data, p);
- ga.ga_len += len;
- ga.ga_room -= len;
- }
- vim_free(p);
- }
- }
- }
- }
- vim_free(buf);
-
- FreeWild(cmd_numfiles, cmd_files);
- cmd_files = save_cmd_files;
- cmd_numfiles = save_cmd_numfiles;
-
- return ga.ga_data;
- }
-
- #endif
-
- #if defined(FEAT_CMDHIST) || defined(PROTO)
-
- /*********************************
- * Command line history stuff *
- *********************************/
-
- /*
- * Translate a history character to the associated type number.
- */
- static int
- hist_char2type(c)
- int c;
- {
- if (c == ':')
- return HIST_CMD;
- if (c == '=')
- return HIST_EXPR;
- if (c == '@')
- return HIST_INPUT;
- if (c == '>')
- return HIST_DEBUG;
- return HIST_SEARCH; /* must be '?' or '/' */
- }
-
- /*
- * Table of history names.
- * These names are used in :history and various hist...() functions.
- * It is sufficient to give the significant prefix of a history name.
- */
-
- static char *(history_names[]) =
- {
- "cmd",
- "search",
- "expr",
- "input",
- "debug",
- NULL
- };
-
- /*
- * init_history() - Initialize the command line history.
- * Also used to re-allocate the history when the size changes.
- */
- static void
- init_history()
- {
- int newlen; /* new length of history table */
- histentry_T *temp;
- int i;
- int j;
- int type;
-
- /*
- * If size of history table changed, reallocate it
- */
- newlen = (int)p_hi;
- if (newlen != hislen) /* history length changed */
- {
- for (type = 0; type < HIST_COUNT; ++type) /* adjust the tables */
- {
- if (newlen)
- {
- temp = (histentry_T *)lalloc(
- (long_u)(newlen * sizeof(histentry_T)), TRUE);
- if (temp == NULL) /* out of memory! */
- {
- if (type == 0) /* first one: just keep the old length */
- {
- newlen = hislen;
- break;
- }
- /* Already changed one table, now we can only have zero
- * length for all tables. */
- newlen = 0;
- type = -1;
- continue;
- }
- }
- else
- temp = NULL;
- if (newlen == 0 || temp != NULL)
- {
- if (hisidx[type] < 0) /* there are no entries yet */
- {
- for (i = 0; i < newlen; ++i)
- {
- temp[i].hisnum = 0;
- temp[i].hisstr = NULL;
- }
- }
- else if (newlen > hislen) /* array becomes bigger */
- {
- for (i = 0; i <= hisidx[type]; ++i)
- temp[i] = history[type][i];
- j = i;
- for ( ; i <= newlen - (hislen - hisidx[type]); ++i)
- {
- temp[i].hisnum = 0;
- temp[i].hisstr = NULL;
- }
- for ( ; j < hislen; ++i, ++j)
- temp[i] = history[type][j];
- }
- else /* array becomes smaller or 0 */
- {
- j = hisidx[type];
- for (i = newlen - 1; ; --i)
- {
- if (i >= 0) /* copy newest entries */
- temp[i] = history[type][j];
- else /* remove older entries */
- vim_free(history[type][j].hisstr);
- if (--j < 0)
- j = hislen - 1;
- if (j == hisidx[type])
- break;
- }
- hisidx[type] = newlen - 1;
- }
- vim_free(history[type]);
- history[type] = temp;
- }
- }
- hislen = newlen;
- }
- }
-
- /*
- * Check if command line 'str' is already in history.
- * If 'move_to_front' is TRUE, matching entry is moved to end of history.
- */
- static int
- in_history(type, str, move_to_front)
- int type;
- char_u *str;
- int move_to_front; /* Move the entry to the front if it exists */
- {
- int i;
- int last_i = -1;
-
- if (hisidx[type] < 0)
- return FALSE;
- i = hisidx[type];
- do
- {
- if (history[type][i].hisstr == NULL)
- return FALSE;
- if (STRCMP(str, history[type][i].hisstr) == 0)
- {
- if (!move_to_front)
- return TRUE;
- last_i = i;
- break;
- }
- if (--i < 0)
- i = hislen - 1;
- } while (i != hisidx[type]);
-
- if (last_i >= 0)
- {
- str = history[type][i].hisstr;
- while (i != hisidx[type])
- {
- if (++i >= hislen)
- i = 0;
- history[type][last_i] = history[type][i];
- last_i = i;
- }
- history[type][i].hisstr = str;
- history[type][i].hisnum = ++hisnum[type];
- return TRUE;
- }
- return FALSE;
- }
-
- /*
- * Convert history name (from table above) to its HIST_ equivalent.
- * When "name" is empty, return "cmd" history.
- * Returns -1 for unknown history name.
- */
- int
- get_histtype(name)
- char_u *name;
- {
- int i;
- int len = (int)STRLEN(name);
-
- /* No argument: use current history. */
- if (len == 0)
- return hist_char2type(ccline.cmdfirstc);
-
- for (i = 0; history_names[i] != NULL; ++i)
- if (STRNICMP(name, history_names[i], len) == 0)
- return i;
-
- if (vim_strchr((char_u *)":=@>?/", name[0]) != NULL && name[1] == NUL)
- return hist_char2type(name[0]);
-
- return -1;
- }
-
- static int last_maptick = -1; /* last seen maptick */
-
- /*
- * Add the given string to the given history. If the string is already in the
- * history then it is moved to the front. "histype" may be one of he HIST_
- * values.
- */
- void
- add_to_history(histype, new_entry, in_map)
- int histype;
- char_u *new_entry;
- int in_map; /* consider maptick when inside a mapping */
- {
- histentry_T *hisptr;
-
- if (hislen == 0) /* no history */
- return;
-
- /*
- * Searches inside the same mapping overwrite each other, so that only
- * the last line is kept. Be careful not to remove a line that was moved
- * down, only lines that were added.
- */
- if (histype == HIST_SEARCH && in_map)
- {
- if (maptick == last_maptick)
- {
- /* Current line is from the same mapping, remove it */
- hisptr = &history[HIST_SEARCH][hisidx[HIST_SEARCH]];
- vim_free(hisptr->hisstr);
- hisptr->hisstr = NULL;
- hisptr->hisnum = 0;
- --hisnum[histype];
- if (--hisidx[HIST_SEARCH] < 0)
- hisidx[HIST_SEARCH] = hislen - 1;
- }
- last_maptick = -1;
- }
- if (!in_history(histype, new_entry, TRUE))
- {
- if (++hisidx[histype] == hislen)
- hisidx[histype] = 0;
- hisptr = &history[histype][hisidx[histype]];
- vim_free(hisptr->hisstr);
- hisptr->hisstr = vim_strsave(new_entry);
- hisptr->hisnum = ++hisnum[histype];
- if (histype == HIST_SEARCH && in_map)
- last_maptick = maptick;
- }
- }
-
- #if defined(FEAT_EVAL) || defined(PROTO)
-
- /*
- * Get identifier of newest history entry.
- * "histype" may be one of the HIST_ values.
- */
- int
- get_history_idx(histype)
- int histype;
- {
- if (hislen == 0 || histype < 0 || histype >= HIST_COUNT
- || hisidx[histype] < 0)
- return -1;
-
- return history[histype][hisidx[histype]].hisnum;
- }
-
- /*
- * Calculate history index from a number:
- * num > 0: seen as identifying number of a history entry
- * num < 0: relative position in history wrt newest entry
- * "histype" may be one of the HIST_ values.
- */
- static int
- calc_hist_idx(histype, num)
- int histype;
- int num;
- {
- int i;
- histentry_T *hist;
- int wrapped = FALSE;
-
- if (hislen == 0 || histype < 0 || histype >= HIST_COUNT
- || (i = hisidx[histype]) < 0 || num == 0)
- return -1;
-
- hist = history[histype];
- if (num > 0)
- {
- while (hist[i].hisnum > num)
- if (--i < 0)
- {
- if (wrapped)
- break;
- i += hislen;
- wrapped = TRUE;
- }
- if (hist[i].hisnum == num && hist[i].hisstr != NULL)
- return i;
- }
- else if (-num <= hislen)
- {
- i += num + 1;
- if (i < 0)
- i += hislen;
- if (hist[i].hisstr != NULL)
- return i;
- }
- return -1;
- }
-
- /*
- * Get a history entry by its index.
- * "histype" may be one of the HIST_ values.
- */
- char_u *
- get_history_entry(histype, idx)
- int histype;
- int idx;
- {
- idx = calc_hist_idx(histype, idx);
- if (idx >= 0)
- return history[histype][idx].hisstr;
- else
- return (char_u *)"";
- }
-
- /*
- * Clear all entries of a history.
- * "histype" may be one of the HIST_ values.
- */
- int
- clr_history(histype)
- int histype;
- {
- int i;
- histentry_T *hisptr;
-
- if (hislen != 0 && histype >= 0 && histype < HIST_COUNT)
- {
- hisptr = history[histype];
- for (i = hislen; i--;)
- {
- vim_free(hisptr->hisstr);
- hisptr->hisnum = 0;
- hisptr++->hisstr = NULL;
- }
- hisidx[histype] = -1; /* mark history as cleared */
- hisnum[histype] = 0; /* reset identifier counter */
- return OK;
- }
- return FAIL;
- }
-
- /*
- * Remove all entries matching {str} from a history.
- * "histype" may be one of the HIST_ values.
- */
- int
- del_history_entry(histype, str)
- int histype;
- char_u *str;
- {
- regmatch_T regmatch;
- histentry_T *hisptr;
- int idx;
- int i;
- int last;
- int found = FALSE;
-
- regmatch.regprog = NULL;
- regmatch.rm_ic = FALSE; /* always match case */
- if (hislen != 0
- && histype >= 0
- && histype < HIST_COUNT
- && *str != NUL
- && (idx = hisidx[histype]) >= 0
- && (regmatch.regprog = vim_regcomp(str, TRUE)) != NULL)
- {
- i = last = idx;
- do
- {
- hisptr = &history[histype][i];
- if (hisptr->hisstr == NULL)
- break;
- if (vim_regexec(®match, hisptr->hisstr, (colnr_T)0))
- {
- found = TRUE;
- vim_free(hisptr->hisstr);
- hisptr->hisstr = NULL;
- hisptr->hisnum = 0;
- }
- else
- {
- if (i != last)
- {
- history[histype][last] = *hisptr;
- hisptr->hisstr = NULL;
- hisptr->hisnum = 0;
- }
- if (--last < 0)
- last += hislen;
- }
- if (--i < 0)
- i += hislen;
- } while (i != idx);
- if (history[histype][idx].hisstr == NULL)
- hisidx[histype] = -1;
- }
- vim_free(regmatch.regprog);
- return found;
- }
-
- /*
- * Remove an indexed entry from a history.
- * "histype" may be one of the HIST_ values.
- */
- int
- del_history_idx(histype, idx)
- int histype;
- int idx;
- {
- int i, j;
-
- i = calc_hist_idx(histype, idx);
- if (i < 0)
- return FALSE;
- idx = hisidx[histype];
- vim_free(history[histype][i].hisstr);
-
- /* When deleting the last added search string in a mapping, reset
- * last_maptick, so that the last added search string isn't deleted again.
- */
- if (histype == HIST_SEARCH && maptick == last_maptick && i == idx)
- last_maptick = -1;
-
- while (i != idx)
- {
- j = (i + 1) % hislen;
- history[histype][i] = history[histype][j];
- i = j;
- }
- history[histype][i].hisstr = NULL;
- history[histype][i].hisnum = 0;
- if (--i < 0)
- i += hislen;
- hisidx[histype] = i;
- return TRUE;
- }
-
- #endif /* FEAT_EVAL */
-
- #if defined(FEAT_CRYPT) || defined(PROTO)
- /*
- * Very specific function to remove the value in ":set key=val" from the
- * history.
- */
- void
- remove_key_from_history()
- {
- char_u *p;
- int i;
-
- i = hisidx[HIST_CMD];
- if (i < 0)
- return;
- p = history[HIST_CMD][i].hisstr;
- if (p != NULL)
- for ( ; *p; ++p)
- if (STRNCMP(p, "key", 3) == 0 && !isalpha(p[3]))
- {
- p = vim_strchr(p + 3, '=');
- if (p == NULL)
- break;
- ++p;
- for (i = 0; p[i] && !vim_iswhite(p[i]); ++i)
- if (p[i] == '\\' && p[i + 1])
- ++i;
- mch_memmove(p, p + i, STRLEN(p + i) + 1);
- --p;
- }
- }
- #endif
-
- #endif /* FEAT_CMDHIST */
-
- #if defined(FEAT_QUICKFIX) || defined(FEAT_CMDHIST) || defined(PROTO)
- /*
- * Get indices "num1,num2" that specify a range within a list (not a range of
- * text lines in a buffer!) from a string. Used for ":history" and ":clist".
- * Returns OK if parsed successfully, otherwise FAIL.
- */
- int
- get_list_range(str, num1, num2)
- char_u **str;
- int *num1;
- int *num2;
- {
- int len;
- int first = FALSE;
- long num;
-
- *str = skipwhite(*str);
- if (**str == '-' || isdigit(**str)) /* parse "from" part of range */
- {
- vim_str2nr(*str, NULL, &len, FALSE, FALSE, &num, NULL);
- *str += len;
- *num1 = (int)num;
- first = TRUE;
- }
- *str = skipwhite(*str);
- if (**str == ',') /* parse "to" part of range */
- {
- *str = skipwhite(*str + 1);
- vim_str2nr(*str, NULL, &len, FALSE, FALSE, &num, NULL);
- if (len > 0)
- {
- *num2 = (int)num;
- *str = skipwhite(*str + len);
- }
- else if (!first) /* no number given at all */
- return FAIL;
- }
- else if (first) /* only one number given */
- *num2 = *num1;
- return OK;
- }
- #endif
-
- #if defined(FEAT_CMDHIST) || defined(PROTO)
- /*
- * :history command - print a history
- */
- void
- ex_history(eap)
- exarg_T *eap;
- {
- histentry_T *hist;
- int histype1 = HIST_CMD;
- int histype2 = HIST_CMD;
- int hisidx1 = 1;
- int hisidx2 = -1;
- int idx;
- int i, j, k;
- char_u *end;
- char_u *arg = eap->arg;
-
- if (hislen == 0)
- {
- MSG(_("'history' option is zero"));
- return;
- }
-
- if (!(isdigit(*arg) || *arg == '-' || *arg == ','))
- {
- end = arg;
- while (ASCII_ISALPHA(*end)
- || vim_strchr((char_u *)":=@>/?", *end) != NULL)
- end++;
- i = *end;
- *end = NUL;
- histype1 = get_histtype(arg);
- if (histype1 == -1)
- {
- if (STRICMP(arg, "all") == 0)
- {
- histype1 = 0;
- histype2 = HIST_COUNT-1;
- }
- else
- {
- *end = i;
- EMSG(_(e_trailing));
- return;
- }
- }
- else
- histype2 = histype1;
- *end = i;
- }
- else
- end = arg;
- if (!get_list_range(&end, &hisidx1, &hisidx2) || *end != NUL)
- {
- EMSG(_(e_trailing));
- return;
- }
-
- for (; !got_int && histype1 <= histype2; ++histype1)
- {
- STRCPY(IObuff, "\n # ");
- STRCAT(STRCAT(IObuff, history_names[histype1]), " history");
- MSG_PUTS_TITLE(IObuff);
- idx = hisidx[histype1];
- hist = history[histype1];
- j = hisidx1;
- k = hisidx2;
- if (j < 0)
- j = (-j > hislen) ? 0 : hist[(hislen+j+idx+1) % hislen].hisnum;
- if (k < 0)
- k = (-k > hislen) ? 0 : hist[(hislen+k+idx+1) % hislen].hisnum;
- if (idx >= 0 && j <= k)
- for (i = idx + 1; !got_int; ++i)
- {
- if (i == hislen)
- i = 0;
- if (hist[i].hisstr != NULL
- && hist[i].hisnum >= j && hist[i].hisnum <= k)
- {
- msg_putchar('\n');
- sprintf((char *)IObuff, "%c%6d %s", i == idx ? '>' : ' ',
- hist[i].hisnum, hist[i].hisstr);
- msg_outtrans(IObuff);
- out_flush();
- }
- if (i == idx)
- break;
- }
- }
- }
- #endif
-
- #if (defined(FEAT_VIMINFO) && defined(FEAT_CMDHIST)) || defined(PROTO)
- static char_u **viminfo_history[HIST_COUNT] = {NULL, NULL, NULL, NULL};
- static int viminfo_hisidx[HIST_COUNT] = {0, 0, 0, 0};
- static int viminfo_hislen[HIST_COUNT] = {0, 0, 0, 0};
- static int viminfo_add_at_front = FALSE;
-
- static int hist_type2char __ARGS((int type, int use_question));
-
- /*
- * Translate a history type number to the associated character.
- */
- static int
- hist_type2char(type, use_question)
- int type;
- int use_question; /* use '?' instead of '/' */
- {
- if (type == HIST_CMD)
- return ':';
- if (type == HIST_SEARCH)
- {
- if (use_question)
- return '?';
- else
- return '/';
- }
- if (type == HIST_EXPR)
- return '=';
- return '@';
- }
-
- /*
- * Prepare for reading the history from the viminfo file.
- * This allocates history arrays to store the read history lines.
- */
- void
- prepare_viminfo_history(asklen)
- int asklen;
- {
- int i;
- int num;
- int type;
- int len;
-
- init_history();
- viminfo_add_at_front = (asklen != 0);
- if (asklen > hislen)
- asklen = hislen;
-
- for (type = 0; type < HIST_COUNT; ++type)
- {
- /*
- * Count the number of empty spaces in the history list. If there are
- * more spaces available than we request, then fill them up.
- */
- for (i = 0, num = 0; i < hislen; i++)
- if (history[type][i].hisstr == NULL)
- num++;
- len = asklen;
- if (num > len)
- len = num;
- if (len <= 0)
- viminfo_history[type] = NULL;
- else
- viminfo_history[type] =
- (char_u **)lalloc((long_u)(len * sizeof(char_u *)), FALSE);
- if (viminfo_history[type] == NULL)
- len = 0;
- viminfo_hislen[type] = len;
- viminfo_hisidx[type] = 0;
- }
- }
-
- /*
- * Accept a line from the viminfo, store it in the history array when it's
- * new.
- */
- int
- read_viminfo_history(virp)
- vir_T *virp;
- {
- int type;
- char_u *val;
-
- type = hist_char2type(virp->vir_line[0]);
- if (viminfo_hisidx[type] < viminfo_hislen[type])
- {
- val = viminfo_readstring(virp, 1, TRUE);
- if (val != NULL)
- {
- if (!in_history(type, val, viminfo_add_at_front))
- viminfo_history[type][viminfo_hisidx[type]++] = val;
- else
- vim_free(val);
- }
- }
- return viminfo_readline(virp);
- }
-
- void
- finish_viminfo_history()
- {
- int idx;
- int i;
- int type;
-
- for (type = 0; type < HIST_COUNT; ++type)
- {
- if (history[type] == NULL)
- return;
- idx = hisidx[type] + viminfo_hisidx[type];
- if (idx >= hislen)
- idx -= hislen;
- else if (idx < 0)
- idx = hislen - 1;
- if (viminfo_add_at_front)
- hisidx[type] = idx;
- else
- {
- if (hisidx[type] == -1)
- hisidx[type] = hislen - 1;
- do
- {
- if (history[type][idx].hisstr != NULL)
- break;
- if (++idx == hislen)
- idx = 0;
- } while (idx != hisidx[type]);
- if (idx != hisidx[type] && --idx < 0)
- idx = hislen - 1;
- }
- for (i = 0; i < viminfo_hisidx[type]; i++)
- {
- vim_free(history[type][idx].hisstr);
- history[type][idx].hisstr = viminfo_history[type][i];
- if (--idx < 0)
- idx = hislen - 1;
- }
- idx += 1;
- idx %= hislen;
- for (i = 0; i < viminfo_hisidx[type]; i++)
- {
- history[type][idx++].hisnum = ++hisnum[type];
- idx %= hislen;
- }
- vim_free(viminfo_history[type]);
- viminfo_history[type] = NULL;
- }
- }
-
- void
- write_viminfo_history(fp)
- FILE *fp;
- {
- int i;
- int type;
- int num_saved;
-
- init_history();
- if (hislen == 0)
- return;
- for (type = 0; type < HIST_COUNT; ++type)
- {
- num_saved = get_viminfo_parameter(hist_type2char(type, FALSE));
- if (num_saved == 0)
- continue;
- if (num_saved < 0) /* Use default */
- num_saved = hislen;
- fprintf(fp, _("\n# %s History (newest to oldest):\n"),
- type == HIST_CMD ? _("Command Line") :
- type == HIST_SEARCH ? _("Search String") :
- type == HIST_EXPR ? _("Expression") :
- _("Input Line"));
- if (num_saved > hislen)
- num_saved = hislen;
- i = hisidx[type];
- if (i >= 0)
- while (num_saved--)
- {
- if (history[type][i].hisstr != NULL)
- {
- putc(hist_type2char(type, TRUE), fp);
- viminfo_writestring(fp, history[type][i].hisstr);
- }
- if (--i < 0)
- i = hislen - 1;
- }
- }
- }
- #endif /* FEAT_VIMINFO */
-
- #if defined(FEAT_FKMAP) || defined(PROTO)
- /*
- * Write a character at the current cursor+offset position.
- * It is directly written into the command buffer block.
- */
- void
- cmd_pchar(c, offset)
- int c, offset;
- {
- if (ccline.cmdpos + offset >= ccline.cmdlen || ccline.cmdpos + offset < 0)
- {
- EMSG(_("E198: cmd_pchar beyond the command length"));
- return;
- }
- ccline.cmdbuff[ccline.cmdpos + offset] = (char_u)c;
- ccline.cmdbuff[ccline.cmdlen] = NUL;
- }
-
- int
- cmd_gchar(offset)
- int offset;
- {
- if (ccline.cmdpos + offset >= ccline.cmdlen || ccline.cmdpos + offset < 0)
- {
- /* EMSG(_("cmd_gchar beyond the command length")); */
- return NUL;
- }
- return (int)ccline.cmdbuff[ccline.cmdpos + offset];
- }
- #endif
-
- #if defined(FEAT_CMDWIN) || defined(PROTO)
- /*
- * Open a window on the current command line and history. Allow editing in
- * the window. Returns when the window is closed.
- * Returns:
- * CR if the command is to be executed
- * Ctrl_C if it is to be abandoned
- * K_IGNORE if editing continues
- */
- static int
- ex_window()
- {
- struct cmdline_info save_ccline;
- buf_T *old_curbuf = curbuf;
- win_T *old_curwin = curwin;
- buf_T *bp;
- win_T *wp;
- int i;
- linenr_T lnum;
- int histtype;
- garray_T winsizes;
- char_u typestr[2];
- int save_restart_edit = restart_edit;
- int save_State = State;
-
- /* Can't do this recursively. Can't do it when typing a password. */
- if (cmdwin_type != 0 || cmdline_star > 0)
- {
- beep_flush();
- return K_IGNORE;
- }
-
- /* Save current window sizes. */
- win_size_save(&winsizes);
-
- # ifdef FEAT_AUTOCMD
- /* Don't execute autocommands while creating the window. */
- ++autocmd_busy;
- # endif
- /* Create a window for the command-line buffer. */
- if (win_split((int)p_cwh, WSP_BOT) == FAIL)
- {
- beep_flush();
- return K_IGNORE;
- }
- cmdwin_type = ccline.cmdfirstc;
- if (cmdwin_type == NUL)
- cmdwin_type = '-';
-
- /* Create the command-line buffer empty. */
- (void)do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE);
- (void)setfname((char_u *)"command-line", NULL, TRUE);
- set_option_value((char_u *)"bt", 0L, (char_u *)"nofile", OPT_LOCAL);
- set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL);
- curbuf->b_p_ma = TRUE;
- # ifdef FEAT_RIGHTLEFT
- curwin->w_p_rl = FALSE;
- # endif
-
- # ifdef FEAT_AUTOCMD
- /* Do execute autocommands for setting the filetype (load syntax). */
- --autocmd_busy;
- # endif
-
- histtype = hist_char2type(ccline.cmdfirstc);
- if (histtype == HIST_CMD || histtype == HIST_DEBUG)
- {
- if (p_wc == TAB)
- {
- add_map((char_u *)"<buffer> <Tab> <C-X><C-V>", INSERT);
- add_map((char_u *)"<buffer> <Tab> a<C-X><C-V>", NORMAL);
- }
- set_option_value((char_u *)"ft", 0L, (char_u *)"vim", OPT_LOCAL);
- }
-
- /* Fill the buffer with the history. */
- init_history();
- if (hislen > 0)
- {
- i = hisidx[histtype];
- if (i >= 0)
- {
- lnum = 0;
- do
- {
- if (++i == hislen)
- i = 0;
- if (history[histtype][i].hisstr != NULL)
- ml_append(lnum++, history[histtype][i].hisstr,
- (colnr_T)0, FALSE);
- }
- while (i != hisidx[histtype]);
- }
- }
-
- /* Replace the empty last line with the current command-line and put the
- * cursor there. */
- ml_replace(curbuf->b_ml.ml_line_count, ccline.cmdbuff, TRUE);
- curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
- curwin->w_cursor.col = ccline.cmdpos;
- redraw_later(NOT_VALID);
-
- /* Save the command line info, can be used recursively. */
- save_ccline = ccline;
- ccline.cmdbuff = NULL;
- ccline.cmdprompt = NULL;
-
- State = NORMAL;
- # ifdef FEAT_MOUSE
- setmouse();
- # endif
-
- # ifdef FEAT_AUTOCMD
- /* Trigger CmdwinEnter autocommands. */
- typestr[0] = cmdwin_type;
- typestr[1] = NUL;
- apply_autocmds(EVENT_CMDWINENTER, typestr, typestr, FALSE, curbuf);
- # endif
-
- i = RedrawingDisabled;
- RedrawingDisabled = 0;
-
- /*
- * Call the main loop until <CR> or CTRL-C is typed.
- */
- cmdwin_result = 0;
- main_loop(TRUE);
-
- RedrawingDisabled = i;
-
- # ifdef FEAT_AUTOCMD
- /* Trigger CmdwinLeave autocommands. */
- apply_autocmds(EVENT_CMDWINLEAVE, typestr, typestr, FALSE, curbuf);
- # endif
-
- /* Restore the comand line info. */
- ccline = save_ccline;
- cmdwin_type = 0;
-
- /* Safety check: The old window or buffer was deleted: It's a a bug when
- * this happens! */
- if (!win_valid(old_curwin) || !buf_valid(old_curbuf))
- {
- cmdwin_result = Ctrl_C;
- EMSG(_("E199: Active window or buffer deleted"));
- }
- else
- {
- /* Set the new command line from the cmdline buffer. */
- vim_free(ccline.cmdbuff);
- if (cmdwin_result == K_XF1) /* :qa! typed */
- {
- ccline.cmdbuff = vim_strsave((char_u *)"qa!");
- cmdwin_result = CR;
- }
- else if (cmdwin_result == K_XF2) /* :qa typed */
- {
- ccline.cmdbuff = vim_strsave((char_u *)"qa");
- cmdwin_result = CR;
- }
- else
- ccline.cmdbuff = vim_strsave(ml_get_curline());
- if (ccline.cmdbuff == NULL)
- cmdwin_result = Ctrl_C;
- else
- {
- ccline.cmdlen = (int)STRLEN(ccline.cmdbuff);
- ccline.cmdbufflen = ccline.cmdlen + 1;
- ccline.cmdpos = curwin->w_cursor.col;
- if (ccline.cmdpos > ccline.cmdlen)
- ccline.cmdpos = ccline.cmdlen;
- if (cmdwin_result == K_IGNORE)
- {
- set_cmdspos_cursor();
- redrawcmd();
- /* CTRL-C closes the window but doesn't exe the cmdline */
- got_int = FALSE;
- }
- }
-
- # ifdef FEAT_AUTOCMD
- /* Don't execute autocommands while deleting the window. */
- ++autocmd_busy;
- # endif
- wp = curwin;
- bp = curbuf;
- win_goto(old_curwin);
- win_close(wp, TRUE);
- close_buffer(NULL, bp, DOBUF_WIPE);
-
- /* Restore window sizes. */
- win_size_restore(&winsizes);
-
- # ifdef FEAT_AUTOCMD
- --autocmd_busy;
- # endif
- }
-
- ga_clear(&winsizes);
- restart_edit = save_restart_edit;
-
- State = save_State;
- # ifdef FEAT_MOUSE
- setmouse();
- # endif
-
- return cmdwin_result;
- }
- #endif /* FEAT_CMDWIN */
-
- #if defined(FEAT_PYTHON) || defined(FEAT_RUBY) || defined(FEAT_TCL) \
- || defined(FEAT_PERL) || defined(PROTO)
- /*
- * Used for commands that either take a simple command string argument, or:
- * cmd << endmarker
- * {script}
- * endmarker
- * Returns a pointer to allocated memory with {script} or NULL.
- */
- char_u *
- script_get(eap, cmd)
- exarg_T *eap;
- char_u *cmd;
- {
- char_u *theline;
- char *end_pattern = NULL;
- char dot[] = ".";
- garray_T ga;
-
- if (cmd[0] != '<' || cmd[1] != '<' || eap->getline == NULL)
- return NULL;
-
- ga_init2(&ga, 1, 0x400);
-
- if (cmd[2] != NUL)
- end_pattern = (char *)skipwhite(cmd + 2);
- else
- end_pattern = dot;
-
- for (;;)
- {
- theline = eap->getline(
- #ifdef FEAT_EVAL
- eap->cstack->cs_whilelevel > 0 ? -1 :
- #endif
- NUL, eap->cookie, 0);
-
- if (theline == NULL || STRCMP(end_pattern, theline) == 0)
- break;
-
- ga_concat(&ga, theline);
- ga_append(&ga, '\n');
- vim_free(theline);
- }
-
- return ga.ga_data;
- }
- #endif /* SCRIPTS */
-