ex_getln.c
资源名称:vim53src.zip [点击查看]
上传用户:gddssl
上传日期:2007-01-06
资源大小:1003k
文件大小:67k
源码类别:
编辑器/阅读器
开发平台:
DOS
- /* 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.
- */
- /*
- * 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 on 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 **(history[HIST_COUNT]) = {NULL, NULL, NULL, NULL};
- static int hisidx[HIST_COUNT] = {-1, -1, -1, -1}; /* last entered entry */
- static int hislen = 0; /* actual length of history tables */
- #ifdef RIGHTLEFT
- static int cmd_hkmap = 0; /* Hebrew mapping during command line */
- #endif
- #ifdef FKMAP
- static int cmd_fkmap = 0; /* Farsi mapping during command line */
- #endif
- static int hist_char2type __ARGS((int c));
- static void init_history __ARGS((void));
- static int in_history __ARGS((int, char_u *, int));
- static void set_cmdspos __ARGS((void));
- static void alloc_cmdbuff __ARGS((int len));
- static int realloc_cmdbuff __ARGS((int len));
- static void putcmdline __ARGS((int));
- static void redrawcmdprompt __ARGS((void));
- static void redrawcmd __ARGS((void));
- static void cursorcmd __ARGS((void));
- static int ccheck_abbr __ARGS((int));
- static int nextwild __ARGS((int, int));
- static int showmatches __ARGS((void));
- static void set_expand_context __ARGS((void));
- static int ExpandFromContext __ARGS((char_u *, int *, char_u ***, int, int));
- /*
- * 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 == NUL get text for :insert command
- *
- * 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.
- */
- char_u *
- getcmdline(firstc, count, indent)
- int firstc;
- long count; /* only used for incremental search */
- int indent; /* indent for inside conditionals */
- {
- int c;
- #ifdef DIGRAPHS
- int cc;
- #endif
- int i;
- int j;
- char_u *p;
- int hiscnt; /* current history line in use */
- char_u *lookfor = NULL; /* string to match */
- int gotesc = FALSE; /* TRUE when <ESC> just typed */
- int do_abbr; /* when TRUE check for abbr. */
- int histype; /* history type to be used */
- #ifdef EXTRA_SEARCH
- FPOS old_cursor;
- colnr_t old_curswant;
- colnr_t old_leftcol;
- linenr_t old_topline;
- 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 USE_MOUSE
- /* mouse drag and release events are ignored, unless they are
- * preceded with a mouse down event */
- int ignore_drag_release = TRUE;
- #endif
- #ifdef USE_SNIFF
- want_sniff_request = 0;
- #endif
- ccline.overstrike = FALSE; /* always start in insert mode */
- #ifdef EXTRA_SEARCH
- 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;
- 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;
- redir_off = TRUE; /* don't redirect the typed command */
- i = msg_scrolled;
- msg_scrolled = 0; /* avoid wait_return message */
- gotocmdline(TRUE);
- msg_scrolled += i;
- redrawcmdprompt(); /* draw prompt or indent */
- set_cmdspos();
- /*
- * 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;
- #ifdef USE_MOUSE
- setmouse();
- #endif
- init_history();
- hiscnt = hislen; /* set hiscnt to impossible history value */
- histype = hist_char2type(firstc);
- #ifdef DIGRAPHS
- do_digraph(-1); /* init digraph typahead */
- #endif
- /* collect the command string, handling editing keys */
- for (;;)
- {
- #ifdef USE_GUI_WIN32
- 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 = vgetc();
- if (KeyTyped)
- {
- some_key_typed = TRUE;
- #ifdef RIGHTLEFT
- if (cmd_hkmap)
- c = hkmap(c);
- # ifdef 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
- )
- #ifdef WANT_EVAL
- && firstc != '@'
- #endif
- && !global_busy)
- got_int = FALSE;
- /* free old command line when finished moving around in the history
- * list */
- if (lookfor
- && 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;
- }
- /*
- * <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');
- /* free expanded names when finished walking through matches */
- if (cmd_numfiles != -1 && !(c == p_wc && KeyTyped)
- && c != Ctrl('N') && c != Ctrl('P') && c != Ctrl('A')
- && c != Ctrl('L'))
- {
- (void)ExpandOne(NULL, NULL, 0, WILD_FREE);
- did_wild_list = FALSE;
- wim_index = 0;
- }
- #ifdef 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;
- windgoto(msg_row, 0);
- out_flush();
- break;
- }
- /*
- * Completion for 'wildchar' key.
- * - hitting <ESC> twice means: abandon command line.
- * - wildcard expansion is only done when the key is really typed, not
- * when it comes from a macro
- */
- if (c == p_wc && !gotesc && KeyTyped)
- {
- 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))
- {
- showmatches();
- redrawcmd();
- did_wild_list = TRUE;
- }
- if (wim_flags[wim_index] & WIM_LONGEST)
- res = nextwild(WILD_LONGEST, WILD_NO_BEEP);
- else if (wim_flags[wim_index] & WIM_FULL)
- res = nextwild(WILD_NEXT, WILD_NO_BEEP);
- else
- res = OK; /* don't insert 'wildchar' now */
- }
- else /* typed p_wc first time */
- {
- j = ccline.cmdpos;
- /* if 'wildmode' first contains "longest", get longest
- * common part */
- if (wim_flags[0] & WIM_LONGEST)
- res = nextwild(WILD_LONGEST, WILD_NO_BEEP);
- else
- res = nextwild(WILD_EXPAND_KEEP, WILD_NO_BEEP);
- /* 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)
- {
- if (!(wim_flags[0] & WIM_LONGEST))
- nextwild(WILD_PREV, 0); /* remove match */
- showmatches();
- redrawcmd();
- did_wild_list = TRUE;
- if (wim_flags[wim_index] & WIM_LONGEST)
- nextwild(WILD_LONGEST, WILD_NO_BEEP);
- else if (wim_flags[wim_index] & WIM_FULL)
- nextwild(WILD_NEXT, WILD_NO_BEEP);
- }
- else
- vim_beep();
- }
- }
- 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(WILD_EXPAND_KEEP, 0) == OK
- && nextwild(WILD_PREV, 0) == OK
- && nextwild(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 */
- switch (c)
- {
- case K_BS:
- case Ctrl('H'):
- case K_DEL:
- case Ctrl('W'):
- #ifdef FKMAP
- if (cmd_fkmap && c == K_BS)
- c = K_DEL;
- #endif
- /*
- * 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;
- if (ccline.cmdpos > 0)
- {
- j = ccline.cmdpos;
- if (c == Ctrl('W'))
- {
- while (ccline.cmdpos &&
- vim_isspace(ccline.cmdbuff[ccline.cmdpos - 1]))
- --ccline.cmdpos;
- i = vim_iswordc(ccline.cmdbuff[ccline.cmdpos - 1]);
- while (ccline.cmdpos && !vim_isspace(
- ccline.cmdbuff[ccline.cmdpos - 1]) &&
- vim_iswordc(
- ccline.cmdbuff[ccline.cmdpos - 1]) == i)
- --ccline.cmdpos;
- }
- else
- --ccline.cmdpos;
- ccline.cmdlen -= j - ccline.cmdpos;
- i = ccline.cmdpos;
- while (i < ccline.cmdlen)
- ccline.cmdbuff[i++] = ccline.cmdbuff[j++];
- redrawcmd();
- }
- else if (ccline.cmdlen == 0 && c != Ctrl('W')
- && ccline.cmdprompt == NULL && indent == 0)
- {
- vim_free(ccline.cmdbuff); /* no commandline to return */
- ccline.cmdbuff = NULL;
- msg_col = 0;
- msg_putchar(' '); /* delete ':' */
- redraw_cmdline = TRUE;
- goto returncmd; /* back to cmd mode */
- }
- goto cmdline_changed;
- case K_INS:
- #ifdef 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 '@': only in very old vi */
- case Ctrl('U'):
- ccline.cmdpos = 0;
- ccline.cmdlen = 0;
- set_cmdspos();
- redrawcmd();
- goto cmdline_changed;
- case ESC: /* get here if p_wc != ESC or when ESC typed twice */
- case Ctrl('C'):
- gotesc = TRUE; /* will free ccline.cmdbuff after putting
- it in history */
- goto returncmd; /* back to cmd mode */
- case Ctrl('R'): /* insert register */
- #ifdef USE_GUI_WIN32
- dont_scroll = TRUE; /* disallow scrolling here */
- #endif
- putcmdline('"');
- ++no_mapping;
- c = vgetc();
- --no_mapping;
- #ifdef WANT_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;
- c = get_expr_register();
- ccline = save_ccline;
- }
- }
- #endif
- if (c != ESC) /* use ESC to cancel inserting register */
- cmdline_paste(c);
- redrawcmd();
- goto cmdline_changed;
- case Ctrl('D'):
- if (showmatches() == FAIL)
- break; /* Use ^D as normal char instead */
- redrawcmd();
- continue; /* don't do incremental search now */
- case K_RIGHT:
- case K_S_RIGHT:
- do
- {
- if (ccline.cmdpos >= ccline.cmdlen)
- break;
- ccline.cmdspos += charsize(ccline.cmdbuff[ccline.cmdpos]);
- ++ccline.cmdpos;
- }
- while ((c == K_S_RIGHT || (mod_mask & MOD_MASK_CTRL))
- && ccline.cmdbuff[ccline.cmdpos] != ' ');
- goto cmdline_not_changed;
- case K_LEFT:
- case K_S_LEFT:
- do
- {
- if (ccline.cmdpos <= 0)
- break;
- --ccline.cmdpos;
- ccline.cmdspos -= charsize(ccline.cmdbuff[ccline.cmdpos]);
- }
- while ((c == K_S_LEFT || (mod_mask & MOD_MASK_CTRL))
- && ccline.cmdbuff[ccline.cmdpos - 1] != ' ');
- goto cmdline_not_changed;
- #if defined(USE_MOUSE) || defined(FKMAP)
- case K_IGNORE:
- #endif
- #ifdef USE_MOUSE
- case K_MIDDLEDRAG:
- case K_MIDDLERELEASE:
- goto cmdline_not_changed; /* Ignore mouse */
- case K_MIDDLEMOUSE:
- # ifdef USE_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 USE_GUI
- if (gui.in_use)
- cmdline_paste('*');
- else
- # endif
- cmdline_paste(0);
- redrawcmd();
- goto cmdline_changed;
- case K_LEFTDRAG:
- case K_LEFTRELEASE:
- case K_RIGHTDRAG:
- case K_RIGHTRELEASE:
- 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 USE_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 */
- set_cmdspos();
- for (ccline.cmdpos = 0; ccline.cmdpos < ccline.cmdlen;
- ++ccline.cmdpos)
- {
- i = charsize(ccline.cmdbuff[ccline.cmdpos]);
- if (mouse_row <= cmdline_row + ccline.cmdspos / Columns &&
- mouse_col < ccline.cmdspos % Columns + i)
- break;
- ccline.cmdspos += i;
- }
- goto cmdline_not_changed;
- #endif /* USE_MOUSE */
- #ifdef USE_GUI
- case K_SCROLLBAR:
- if (!msg_scrolled)
- {
- gui_do_scroll();
- redrawcmd();
- }
- goto cmdline_not_changed;
- case K_HORIZ_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_S_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_S_END:
- ccline.cmdpos = ccline.cmdlen;
- ccline.cmdbuff[ccline.cmdlen] = NUL;
- set_cmdspos();
- ccline.cmdspos += vim_strsize(ccline.cmdbuff);
- goto cmdline_not_changed;
- case Ctrl('A'): /* all matches */
- if (nextwild(WILD_ALL, 0) == FAIL)
- break;
- goto cmdline_changed;
- case Ctrl('L'): /* longest common part */
- if (nextwild(WILD_LONGEST, 0) == FAIL)
- break;
- goto cmdline_changed;
- case Ctrl('N'): /* next match */
- case Ctrl('P'): /* previous match */
- if (cmd_numfiles > 0)
- {
- if (nextwild((c == Ctrl('P')) ? WILD_PREV : WILD_NEXT, 0)
- == FAIL)
- break;
- goto cmdline_changed;
- }
- 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 */
- ccline.cmdbuff[ccline.cmdlen] = NUL;
- if (lookfor == NULL)
- {
- if ((lookfor = vim_strsave(ccline.cmdbuff)) == NULL)
- goto cmdline_not_changed;
- lookfor[ccline.cmdpos] = NUL;
- }
- j = 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] == NULL)
- {
- hiscnt = i;
- break;
- }
- if ((c != K_UP && c != K_DOWN) || hiscnt == i ||
- STRNCMP(history[histype][hiscnt],
- lookfor, (size_t)j) == 0)
- break;
- }
- if (hiscnt != i) /* jumped to other entry */
- {
- vim_free(ccline.cmdbuff);
- if (hiscnt == hislen)
- p = lookfor; /* back to the old one */
- else
- p = history[histype][hiscnt];
- alloc_cmdbuff((int)STRLEN(p));
- if (ccline.cmdbuff == NULL)
- goto returncmd;
- STRCPY(ccline.cmdbuff, p);
- ccline.cmdpos = ccline.cmdlen = STRLEN(ccline.cmdbuff);
- redrawcmd();
- goto cmdline_changed;
- }
- beep_flush();
- goto cmdline_not_changed;
- case Ctrl('V'):
- case Ctrl('Q'):
- #ifdef USE_MOUSE
- ignore_drag_release = TRUE;
- #endif
- putcmdline('^');
- c = get_literal(); /* get next (two) character(s) */
- do_abbr = FALSE; /* don't do abbreviation now */
- break;
- #ifdef DIGRAPHS
- case Ctrl('K'):
- #ifdef USE_MOUSE
- ignore_drag_release = TRUE;
- #endif
- putcmdline('?');
- #ifdef USE_GUI_WIN32
- dont_scroll = TRUE; /* disallow scrolling here */
- #endif
- ++no_mapping;
- ++allow_keys;
- c = vgetc();
- --no_mapping;
- --allow_keys;
- if (c != ESC) /* ESC cancels CTRL-K */
- {
- if (IS_SPECIAL(c)) /* insert special key code */
- break;
- if (charsize(c) == 1)
- putcmdline(c);
- ++no_mapping;
- ++allow_keys;
- cc = vgetc();
- --no_mapping;
- --allow_keys;
- if (cc != ESC) /* ESC cancels CTRL-K */
- {
- c = getdigraph(c, cc, TRUE);
- break;
- }
- }
- redrawcmd();
- goto cmdline_not_changed;
- #endif /* DIGRAPHS */
- #ifdef RIGHTLEFT
- case Ctrl('_'): /* CTRL-_: switch language mode */
- if (!p_ari)
- break;
- #ifdef 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
- /* keypad keys: When not mapped they produce a normal char */
- case K_KPLUS: c = '+'; break;
- case K_KMINUS: c = '-'; break;
- case K_KDIVIDE: c = '/'; break;
- case K_KMULTIPLY: c = '*'; break;
- default:
- #ifdef UNIX
- if (c == intr_char)
- {
- gotesc = TRUE; /* will free ccline.cmdbuff after
- putting it in history */
- goto returncmd; /* back to cmd 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;
- }
- /* 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 != 0x0)
- put_on_cmdline(get_special_key_name(c, mod_mask), -1, TRUE);
- else
- {
- IObuff[0] = c;
- #ifdef MULTI_BYTE
- /* prevent from splitting a multi-byte character into two
- indivisual characters in command line. */
- if (is_dbcs && IsLeadByte(c))
- {
- IObuff[1] = vgetc();
- put_on_cmdline(IObuff, 2, TRUE);
- }
- else
- put_on_cmdline(IObuff, 1, TRUE);
- #else
- put_on_cmdline(IObuff, 1, TRUE);
- #endif
- }
- 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 EXTRA_SEARCH
- if (!incsearch_postponed)
- continue;
- #endif
- cmdline_changed:
- #ifdef EXTRA_SEARCH
- if (p_is && (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
- {
- ccline.cmdbuff[ccline.cmdlen] = NUL;
- emsg_off = TRUE; /* So it doesn't beep if bad expr */
- i = do_search(NULL, firstc, ccline.cmdbuff, count,
- SEARCH_KEEP + SEARCH_OPT + SEARCH_NOOF);
- emsg_off = FALSE;
- }
- if (i)
- highlight_match = TRUE; /* highlight position */
- else
- highlight_match = FALSE; /* don't 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;
- curwin->w_botline = old_botline;
- update_topline();
- /*
- * First move cursor to end of match, then to start. This moves
- * the whole match onto the screen when 'nowrap' is set.
- */
- curwin->w_cursor.col += search_match_len;
- validate_cursor();
- curwin->w_cursor.col -= search_match_len;
- validate_cursor();
- update_screen(NOT_VALID);
- redrawcmdline();
- did_incsearch = TRUE;
- }
- #else
- ;
- #endif
- }
- returncmd:
- #ifdef FKMAP
- cmd_fkmap = 0;
- #endif
- #ifdef EXTRA_SEARCH
- if (did_incsearch)
- {
- curwin->w_cursor = old_cursor;
- curwin->w_curswant = old_curswant;
- curwin->w_leftcol = old_leftcol;
- curwin->w_topline = old_topline;
- 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).
- */
- ccline.cmdbuff[ccline.cmdlen] = NUL;
- if (ccline.cmdlen && firstc &&
- (some_key_typed || histype == HIST_SEARCH))
- {
- add_to_history(histype, ccline.cmdbuff);
- if (firstc == ':')
- {
- vim_free(new_last_cmdline);
- new_last_cmdline = vim_strsave(ccline.cmdbuff);
- }
- }
- if (gotesc) /* abandon command line */
- {
- vim_free(ccline.cmdbuff);
- ccline.cmdbuff = NULL;
- 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;
- State = save_State;
- #ifdef USE_MOUSE
- setmouse();
- #endif
- return ccline.cmdbuff;
- }
- static void
- set_cmdspos()
- {
- if (ccline.cmdfirstc)
- ccline.cmdspos = 1 + ccline.cmdindent;
- else
- ccline.cmdspos = 0 + ccline.cmdindent;
- }
- /*
- * 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 */
- {
- 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 */
- {
- struct growarray line_ga;
- int len;
- int off = 0;
- char_u *p;
- int finished = FALSE;
- #if defined(USE_GUI) || defined(NO_COOKED_INPUT)
- int startcol = 0;
- int c1;
- int escaped = FALSE; /* CTRL-V typed */
- int vcol = 0;
- #endif
- /* 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(USE_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(USE_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;
- # ifndef NO_COOKED_INPUT
- if ((c1 == K_SPECIAL || c1 == CSI) && len >= 2)
- # else
- # ifdef USE_GUI
- if ((c1 == K_SPECIAL || (c1 == CSI && gui.in_use)) && len >= 2)
- # else
- if (c1 == K_SPECIAL && len >= 2)
- # endif
- # endif
- {
- c1 = TO_SPECIAL(p[0], p[1]);
- p += 2;
- len -= 2;
- }
- if (!escaped)
- {
- if (c1 == BS || c1 == K_BS || c1 == DEL || c1 == K_DEL)
- {
- 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 += charsize(*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;
- }
- }
- ((char_u *)line_ga.ga_data)[line_ga.ga_len] = c1;
- if (c1 == 'r')
- 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 += charsize(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;
- while (line_ga.ga_len && (p[-1] == 'n' || p[-1] == 'r'))
- {
- 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);
- vim_free(p);
- return OK;
- }
- /*
- * put a character on the command line.
- * Used for CTRL-V and CTRL-K
- */
- static void
- putcmdline(c)
- int c;
- {
- char_u buf[1];
- buf[0] = c;
- msg_outtrans_len(buf, 1);
- msg_outtrans_len(ccline.cmdbuff + ccline.cmdpos,
- ccline.cmdlen - ccline.cmdpos);
- 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 i;
- if (len < 0)
- len = STRLEN(str);
- /* Check if ccline.cmdbuff needs to be longer */
- if (ccline.cmdlen + len + 1 >= ccline.cmdbufflen)
- i = realloc_cmdbuff(ccline.cmdlen + len);
- else
- i = OK;
- if (i == 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 if (ccline.cmdpos + len > ccline.cmdlen)
- ccline.cmdlen = ccline.cmdpos + len;
- mch_memmove(ccline.cmdbuff + ccline.cmdpos, str, (size_t)len);
- if (redraw)
- msg_outtrans_len(ccline.cmdbuff + ccline.cmdpos,
- ccline.cmdlen - ccline.cmdpos);
- #ifdef 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
- {
- ccline.cmdpos += len;
- while (len--)
- ccline.cmdspos += charsize(str[len]);
- }
- }
- if (redraw)
- msg_check();
- return i;
- }
- /*
- * this fuction is called when the screen size changes and with incremental
- * search
- */
- void
- redrawcmdline()
- {
- msg_scrolled = 0;
- need_wait_return = FALSE;
- compute_cmdrow();
- redrawcmd();
- cursorcmd();
- }
- static void
- redrawcmdprompt()
- {
- int i;
- 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.
- */
- static void
- redrawcmd()
- {
- int i;
- msg_start();
- redrawcmdprompt();
- msg_outtrans_len(ccline.cmdbuff, ccline.cmdlen);
- msg_clr_eos();
- set_cmdspos();
- for (i = 0; i < ccline.cmdlen && i < ccline.cmdpos; ++i)
- ccline.cmdspos += charsize(ccline.cmdbuff[i]);
- /*
- * 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;
- }
- /*
- * Set prompt in front of cmdline.
- */
- void
- cmdline_prompt(cmsg, attr)
- char_u *cmsg;
- int attr;
- {
- ccline.cmdprompt = cmsg;
- ccline.cmdattr = attr;
- }
- void
- compute_cmdrow()
- {
- if (exmode_active)
- cmdline_row = Rows - 1;
- else
- cmdline_row = lastwin->w_winpos + lastwin->w_height +
- lastwin->w_status_height;
- }
- static void
- cursorcmd()
- {
- 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);
- #if defined(MSDOS) || (defined(WIN32) && !defined(USE_GUI_WIN32))
- 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(type, options)
- 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();
- if (expand_context == EXPAND_UNSUCCESSFUL)
- {
- beep_flush();
- return OK; /* Something illegal on command line */
- }
- if (expand_context == EXPAND_NOTHING)
- {
- /* Caller can use the character as a normal char instead */
- return FAIL;
- }
- expand_interactively = TRUE;
- MSG_PUTS("..."); /* show that we are busy */
- out_flush();
- i = expand_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(NULL, NULL, 0, type);
- }
- else
- {
- /*
- * Translate string into pattern and expand it.
- */
- if ((p1 = addstar(&ccline.cmdbuff[i], oldlen)) == NULL)
- p2 = NULL;
- else
- {
- p2 = ExpandOne(p1, vim_strnsave(&ccline.cmdbuff[i], oldlen),
- WILD_HOME_REPLACE | 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)
- {
- if (ccline.cmdlen + (difflen = STRLEN(p2) - oldlen) >
- ccline.cmdbufflen - 4)
- {
- v = realloc_cmdbuff(ccline.cmdlen + difflen);
- expand_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);
- STRNCPY(&ccline.cmdbuff[i], p2, STRLEN(p2));
- ccline.cmdlen += difflen;
- ccline.cmdpos += difflen;
- }
- vim_free(p2);
- }
- redrawcmd();
- if (cmd_numfiles <= 0 && p2 == NULL)
- beep_flush();
- else if (cmd_numfiles == 1)
- (void)ExpandOne(NULL, NULL, 0, WILD_FREE); /* free expanded pattern */
- expand_interactively = FALSE; /* reset for next call */
- return OK;
- }
- /*
- * Do wildcard expansion on the string 'str'.
- * Return a pointer to alloced memory containing the new string.
- * Return NULL for failure.
- *
- * 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
- */
- char_u *
- ExpandOne(str, orig, options, mode)
- char_u *str;
- char_u *orig; /* original string which is expanded */
- int options;
- int mode;
- {
- char_u *ss = NULL;
- static char_u **cmd_files = NULL; /* list of input files */
- static int findex;
- static char_u *orig_save = NULL; /* kept value of orig */
- int i;
- int non_suf_match; /* number without matching suffix */
- long_u len;
- char_u *p;
- /*
- * 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;
- }
- 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(str, &cmd_numfiles, &cmd_files, FALSE,
- options) == FAIL)
- /* error: do nothing */;
- else if (cmd_numfiles == 0)
- {
- if (!expand_interactively)
- emsg2(e_nomatch2, str);
- }
- else
- {
- /*
- * May change home directory back to "~"
- */
- if (options & WILD_HOME_REPLACE)
- tilde_replace(str, cmd_numfiles, cmd_files);
- /*
- * Insert backslashes into a file name before a space, , %, # and
- * wildmatch characters, except '~'.
- */
- if (expand_interactively &&
- (expand_context == EXPAND_FILES ||
- expand_context == EXPAND_BUFFERS ||
- expand_context == EXPAND_DIRECTORIES))
- {
- for (i = 0; i < cmd_numfiles; ++i)
- {
- /* for ":set path=" we need to escape spaces twice */
- if (expand_set_path)
- {
- p = vim_strsave_escaped(cmd_files[i], (char_u *)" ");
- if (p != NULL)
- {
- vim_free(cmd_files[i]);
- cmd_files[i] = p;
- #if defined(BACKSLASH_IN_FILENAME) || defined(COLON_AS_PATHSEP)
- p = vim_strsave_escaped(cmd_files[i],
- (char_u *)" ");
- if (p != NULL)
- {
- vim_free(cmd_files[i]);
- cmd_files[i] = p;
- }
- #endif
- }
- }
- p = vim_strsave_escaped(cmd_files[i],
- #ifdef BACKSLASH_IN_FILENAME
- (char_u *)" *?[{`$%#"
- #else
- # ifdef COLON_AS_PATHSEP
- (char_u *)" *?[{`$%#/"
- # else
- (char_u *)" *?[{`$\%#"
- # endif
- #endif
- );
- if (p != NULL)
- {
- vim_free(cmd_files[i]);
- cmd_files[i] = p;
- }
- }
- expand_set_path = FALSE;
- }
- /*
- * 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 ((!expand_interactively
- || expand_context == EXPAND_FILES
- || expand_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 (!expand_interactively)
- 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 (expand_context == EXPAND_DIRECTORIES
- || expand_context == EXPAND_FILES
- || expand_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 += 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;
- }
- /*
- * 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
- */
- static int
- showmatches()
- {
- char_u *file_str;
- int num_files;
- char_u **files_found;
- int i, j, k;
- int maxlen;
- int lines;
- int columns;
- char_u *p;
- int lastlen;
- int attr;
- set_expand_context();
- if (expand_context == EXPAND_UNSUCCESSFUL)
- {
- beep_flush();
- return OK; /* Something illegal on command line */
- }
- if (expand_context == EXPAND_NOTHING)
- {
- /* Caller can use the character as a normal char instead */
- return FAIL;
- }
- expand_interactively = TRUE;
- /* add star to file name, or convert to regexp if not expanding files! */
- file_str = addstar(expand_pattern,
- (int)(ccline.cmdbuff + ccline.cmdpos - expand_pattern));
- if (file_str == NULL)
- {
- expand_interactively = FALSE;
- return OK;
- }
- 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 */
- /* find all files that match the description */
- if (ExpandFromContext(file_str, &num_files, &files_found, FALSE, 0) == FAIL)
- {
- num_files = 0;
- files_found = (char_u **)"";
- }
- /* find the length of the longest file name */
- maxlen = 0;
- for (i = 0; i < num_files; ++i)
- {
- if (expand_context == EXPAND_FILES || expand_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;
- }
- /* 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 */
- /* list the files line by line */
- for (i = 0; i < lines; ++i)
- {
- lastlen = 999;
- for (k = i; k < num_files; k += lines)
- {
- for (j = maxlen - lastlen; --j >= 0; )
- msg_putchar(' ');
- if (expand_context == EXPAND_FILES ||
- expand_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);
- }
- msg_clr_eos();
- msg_putchar('n');
- out_flush(); /* show one line at a time */
- if (got_int)
- {
- got_int = FALSE;
- break;
- }
- }
- vim_free(file_str);
- FreeWild(num_files, files_found);
- /*
- * 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 */
- expand_interactively = FALSE;
- return 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)
- char_u *fname;
- int len;
- {
- char_u *retval;
- int i, j;
- int new_len;
- char_u *tail;
- if (expand_interactively && expand_context != EXPAND_FILES &&
- expand_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 (expand_context == EXPAND_HELP)
- 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 (expand_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 (expand_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;
- #ifndef macintosh
- if (!expand_set_path)
- backslash_halve(retval, TRUE); /* remove some backslashes */
- #endif
- len = STRLEN(retval);
- /*
- * Don't add a star to ~, ~user, $var or `cmd`.
- * ~ would be at the start of the tail.
- * $ could be anywhere in the tail.
- * ` could be anywhere in the file name.
- */
- tail = gettail(retval);
- if (*tail != '~' && vim_strchr(tail, '$') == NULL
- && vim_strchr(retval, '`') == NULL)
- {
- #ifdef MSDOS
- /*
- * if there is no dot in the file name, add "*.*" instead of
- * "*".
- */
- for (i = len - 1; i >= 0; --i)
- if (vim_strchr((char_u *)".\/:", retval[i]) != NULL)
- break;
- if (i < 0 || retval[i] != '.')
- {
- retval[len++] = '*';
- retval[len++] = '.';
- }
- #endif
- 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 two global variables:
- * char_u *expand_pattern The start of the pattern to be expanded within
- * the command line (ends at the cursor).
- * int expand_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_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
- *
- * -- webb.
- */
- static void
- set_expand_context()
- {
- char_u *nextcomm;
- int old_char = NUL;
- if (ccline.cmdfirstc != ':') /* only expansion for ':' commands */
- {
- expand_context = EXPAND_NOTHING;
- return;
- }
- /*
- * Avoid a UMR warning from Purify, only save the character if it has been
- * written before.
- */
- if (ccline.cmdpos < ccline.cmdlen)
- old_char = ccline.cmdbuff[ccline.cmdpos];
- ccline.cmdbuff[ccline.cmdpos] = NUL;
- nextcomm = ccline.cmdbuff;
- while (nextcomm != NULL)
- nextcomm = set_one_cmd_context(nextcomm);
- ccline.cmdbuff[ccline.cmdpos] = old_char;
- }
- /*
- * Do the expansion based on the global variables expand_context and
- * expand_pattern -- webb.
- */
- static int
- ExpandFromContext(pat, num_file, file, files_only, options)
- char_u *pat;
- int *num_file;
- char_u ***file;
- int files_only;
- int options;
- {
- vim_regexp *prog;
- int ret;
- int flags;
- flags = 0;
- if (!files_only)
- flags |= EW_DIR;
- if (options & WILD_LIST_NOTFOUND)
- flags |= EW_NOTFOUND;
- if (!expand_interactively || expand_context == EXPAND_FILES)
- {
- /*
- * Expand file names.
- */
- return expand_wildcards(1, &pat, num_file, file, flags|EW_FILE);
- }
- else if (expand_context == EXPAND_DIRECTORIES)
- {
- /*
- * Expand directory names.
- */
- int free_pat = FALSE;
- int i;
- /* for ":set path=" we need to remove backslashes for escaped space */
- if (expand_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 (expand_context == EXPAND_OLD_SETTING)
- return ExpandOldSetting(num_file, file);
- if (expand_context == EXPAND_HELP)
- return find_help_tags(pat, num_file, file);
- set_reg_ic(pat); /* set reg_ic according to p_ic, p_scs and pat */
- if (expand_context == EXPAND_BUFFERS)
- return ExpandBufnames(pat, num_file, file, options);
- else if (expand_context == EXPAND_TAGS)
- {
- if (pat[0] == '^' && pat[1] == '/')
- return find_tags(pat + 2, num_file, file,
- TAG_REGEXP | TAG_NAMES | TAG_VERBOSE, MAXCOL);
- return find_tags(pat, num_file, file,
- TAG_REGEXP | TAG_NAMES | TAG_VERBOSE | TAG_NOIC, MAXCOL);
- }
- prog = vim_regcomp(pat, (int)p_magic);
- if (prog == NULL)
- return FAIL;
- if (expand_context == EXPAND_COMMANDS)
- ret = ExpandGeneric(prog, num_file, file, get_command_name);
- else if (expand_context == EXPAND_SETTINGS ||
- expand_context == EXPAND_BOOL_SETTINGS)
- ret = ExpandSettings(prog, num_file, file);
- #ifdef WANT_EVAL
- else if (expand_context == EXPAND_USER_VARS)
- ret = ExpandGeneric(prog, num_file, file, get_user_var_name);
- #endif
- #ifdef USE_GUI
- else if (expand_context == EXPAND_MENUS)
- ret = ExpandGeneric(prog, num_file, file, get_menu_name);
- #endif
- #ifdef SYNTAX_HL
- else if (expand_context == EXPAND_SYNTAX)
- {
- reg_ic = TRUE;
- ret = ExpandGeneric(prog, num_file, file, get_syntax_name);
- }
- #endif
- else if (expand_context == EXPAND_HIGHLIGHT)
- {
- reg_ic = TRUE;
- ret = ExpandGeneric(prog, num_file, file, get_highlight_name);
- }
- #ifdef AUTOCMD
- else if (expand_context == EXPAND_EVENTS)
- {
- reg_ic = TRUE;
- ret = ExpandGeneric(prog, num_file, file, get_event_name);
- }
- else if (expand_context == EXPAND_AUGROUP)
- {
- reg_ic = TRUE;
- ret = ExpandGeneric(prog, num_file, file, get_augroup_name);
- }
- #endif
- else
- ret = FAIL;
- vim_free(prog);
- return ret;
- }
- /*
- * 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(prog, num_file, file, func)
- vim_regexp *prog;
- int *num_file;
- char_u ***file;
- char_u *((*func)__ARGS((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)(i);
- if (str == NULL) /* end of list */
- break;
- if (*str == NUL) /* skip empty strings */
- continue;
- if (vim_regexec(prog, str, TRUE))
- {
- if (loop)
- (*file)[count] = vim_strsave_escaped(str,
- (char_u *)" t\.");
- ++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;
- }
- /*********************************
- * 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;
- return HIST_SEARCH; /* must be '?' or '/' */
- }
- /*
- * 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 */
- char_u **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 = (char_u **)lalloc((long_u)(newlen * sizeof(char_u *)),
- 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] = 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] = 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]);
- 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] == NULL)
- return FALSE;
- if (STRCMP(str, history[type][i]) == 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];
- while (i != hisidx[type])
- {
- if (++i >= hislen)
- i = 0;
- history[type][last_i] = history[type][i];
- last_i = i;
- }
- history[type][i] = str;
- return TRUE;
- }
- return FALSE;
- }
- /*
- * 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 HIST_CMD,
- * HIST_SEARCH, HIST_EXPR or HIST_INPUT.
- */
- void
- add_to_history(histype, new_entry)
- int histype;
- char_u *new_entry;
- {
- static int last_maptick = -1; /* last seen maptick */
- 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)
- {
- if (maptick == last_maptick)
- {
- /* Current line is from the same mapping, remove it */
- vim_free(history[HIST_SEARCH][hisidx[HIST_SEARCH]]);
- history[HIST_SEARCH][hisidx[HIST_SEARCH]] = NULL;
- 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;
- vim_free(history[histype][hisidx[histype]]);
- history[histype][hisidx[histype]] = vim_strsave(new_entry);
- if (histype == HIST_SEARCH)
- last_maptick = maptick;
- }
- }
- #ifdef VIMINFO
- 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] == 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(line, fp)
- char_u *line;
- FILE *fp;
- {
- int type;
- type = hist_char2type(line[0]);
- if (viminfo_hisidx[type] < viminfo_hislen[type])
- {
- viminfo_readstring(line);
- if (!in_history(type, line + 1, viminfo_add_at_front))
- viminfo_history[type][viminfo_hisidx[type]++] =
- vim_strsave(line + 1);
- }
- return vim_fgets(line, LSIZE, fp);
- }
- 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] != 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]);
- history[type][idx] = viminfo_history[type][i];
- if (--idx < 0)
- idx = hislen - 1;
- }
- 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] != NULL)
- {
- putc(hist_type2char(type, TRUE), fp);
- viminfo_writestring(fp, history[type][i]);
- }
- if (--i < 0)
- i = hislen - 1;
- }
- }
- }
- #endif /* VIMINFO */
- #if defined(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("cmd_pchar beyond the command length");
- return;
- }
- ccline.cmdbuff[ccline.cmdpos + offset] = (char_u)c;
- }
- 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