getchar.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.
- */
- /*
- * getchar.c
- *
- * functions related with getting a character from the user/mapping/redo/...
- *
- * manipulations with redo buffer and stuff buffer
- * mappings and abbreviations
- */
- #include "vim.h"
- /*
- * structure used to store one block of the stuff/redo/macro buffers
- */
- struct bufblock
- {
- struct bufblock *b_next; /* pointer to next bufblock */
- char_u b_str[1]; /* contents (actually longer) */
- };
- #define MINIMAL_SIZE 20 /* minimal size for b_str */
- /*
- * header used for the stuff buffer and the redo buffer
- */
- struct buffheader
- {
- struct bufblock bh_first; /* first (dummy) block of list */
- struct bufblock *bh_curr; /* bufblock for appending */
- int bh_index; /* index for reading */
- int bh_space; /* space in bh_curr for appending */
- };
- static struct buffheader stuffbuff = {{NULL, {NUL}}, NULL, 0, 0};
- static struct buffheader redobuff = {{NULL, {NUL}}, NULL, 0, 0};
- static struct buffheader old_redobuff = {{NULL, {NUL}}, NULL, 0, 0};
- #if defined(AUTOCMD) || defined(WANT_EVAL) || defined(PROTO)
- static struct buffheader save_redobuff = {{NULL, {NUL}}, NULL, 0, 0};
- static struct buffheader save_old_redobuff = {{NULL, {NUL}}, NULL, 0, 0};
- #endif
- static struct buffheader recordbuff = {{NULL, {NUL}}, NULL, 0, 0};
- /*
- * when block_redo is TRUE redo buffer will not be changed
- * used by edit() to repeat insertions and 'V' command for redoing
- */
- static int block_redo = FALSE;
- /*
- * structure used for mapping
- */
- struct mapblock
- {
- struct mapblock *m_next; /* next mapblock in list */
- char_u *m_keys; /* mapped from */
- int m_keylen; /* strlen(m_keys) */
- char_u *m_str; /* mapped to */
- int m_mode; /* valid mode */
- int m_noremap; /* if non-zero no re-mapping for m_str */
- };
- /*
- * Make a hash value for a mapping.
- * "mode" is the lower 4 bits of the State for the mapping.
- * "c1" is the first character of the "lhs".
- * Returns a value between 0 and 255, index in maphash.
- * Put Normal/Visual mode mappings mostly separately from Insert/Cmdline mode.
- */
- #define MAP_HASH(mode, c1) (((mode) & (NORMAL + VISUAL + OP_PENDING)) ? (c1) : ((c1) ^ 0x80))
- /*
- * Each mapping is put in one of the 256 hash lists, to speed up finding it.
- */
- static struct mapblock *(maphash[256]);
- static int maphash_valid = FALSE;
- /*
- * List used for abbreviations.
- */
- static struct mapblock *first_abbr = NULL; /* first entry in abbrlist */
- /*
- * variables used by vgetorpeek() and flush_buffers()
- *
- * typebuf[] contains all characters that are not consumed yet.
- * typebuf[typeoff] is the first valid character in typebuf[].
- * typebuf[typeoff + typelen - 1] is the last valid char.
- * typebuf[typeoff + typelen] must be NUL.
- * The part in front may contain the result of mappings, abbreviations and
- * @a commands. The length of this part is typemaplen.
- * After it are characters that come from the terminal.
- * no_abbr_cnt is the number of characters in typebuf that should not be
- * considered for abbreviations.
- * Some parts of typebuf may not be mapped. These parts are remembered in
- * noremapbuf, which is the same length as typebuf and contains TRUE for the
- * characters that are not to be remapped. noremapbuf[typeoff] is the first
- * valid flag.
- * (typebuf has been put in globals.h, because check_termcode() needs it).
- */
- static char_u *noremapbuf = NULL; /* flags for typeahead characters */
- /* typebuf has three parts: room in front (for result of mappings), the middle
- * for typeahead and room for new characters (which needs to be 3 * MAXMAPLEN)
- * for the Amiga).
- */
- #define TYPELEN_INIT (5 * (MAXMAPLEN + 3))
- static char_u typebuf_init[TYPELEN_INIT]; /* initial typebuf */
- static char_u noremapbuf_init[TYPELEN_INIT]; /* initial noremapbuf */
- static int typemaplen = 0; /* nr of mapped characters in typebuf */
- static int no_abbr_cnt = 0; /* nr of chars without abbrev. in typebuf */
- static int last_recorded_len = 0; /* number of last recorded chars */
- static void free_buff __ARGS((struct buffheader *));
- static char_u *get_bufcont __ARGS((struct buffheader *, int));
- static void add_buff __ARGS((struct buffheader *, char_u *));
- static void add_num_buff __ARGS((struct buffheader *, long));
- static void add_char_buff __ARGS((struct buffheader *, int));
- static int read_stuff __ARGS((int));
- static void start_stuff __ARGS((void));
- static int read_redo __ARGS((int, int));
- static void copy_redo __ARGS((int));
- static void init_typebuf __ARGS((void));
- static void gotchars __ARGS((char_u *, int));
- static void may_sync_undo __ARGS((void));
- static void closescript __ARGS((void));
- static int vgetorpeek __ARGS((int));
- static void map_free __ARGS((struct mapblock **));
- static void validate_maphash __ARGS((void));
- static void showmap __ARGS((struct mapblock *));
- /*
- * free and clear a buffer
- */
- static void
- free_buff(buf)
- struct buffheader *buf;
- {
- struct bufblock *p, *np;
- for (p = buf->bh_first.b_next; p != NULL; p = np)
- {
- np = p->b_next;
- vim_free(p);
- }
- buf->bh_first.b_next = NULL;
- }
- /*
- * return the contents of a buffer as a single string
- */
- static char_u *
- get_bufcont(buffer, dozero)
- struct buffheader *buffer;
- int dozero; /* count == zero is not an error */
- {
- long_u count = 0;
- char_u *p = NULL;
- char_u *p2;
- char_u *str;
- struct bufblock *bp;
- /* compute the total length of the string */
- for (bp = buffer->bh_first.b_next; bp != NULL; bp = bp->b_next)
- count += STRLEN(bp->b_str);
- if ((count || dozero) && (p = lalloc(count + 1, TRUE)) != NULL)
- {
- p2 = p;
- for (bp = buffer->bh_first.b_next; bp != NULL; bp = bp->b_next)
- for (str = bp->b_str; *str; )
- *p2++ = *str++;
- *p2 = NUL;
- }
- return (p);
- }
- /*
- * return the contents of the record buffer as a single string
- * and clear the record buffer
- */
- char_u *
- get_recorded()
- {
- char_u *p;
- size_t len;
- p = get_bufcont(&recordbuff, TRUE);
- free_buff(&recordbuff);
- /*
- * Remove the characters that were added the last time, these must be the
- * (possibly mapped) characters that stopped recording.
- */
- len = STRLEN(p);
- if ((int)len >= last_recorded_len)
- p[len - last_recorded_len] = NUL;
- return (p);
- }
- /*
- * return the contents of the redo buffer as a single string
- */
- char_u *
- get_inserted()
- {
- return(get_bufcont(&redobuff, FALSE));
- }
- /*
- * add string "s" after the current block of buffer "buf"
- */
- static void
- add_buff(buf, s)
- struct buffheader *buf;
- char_u *s;
- {
- struct bufblock *p;
- long_u n;
- long_u len;
- if ((n = STRLEN(s)) == 0) /* don't add empty strings */
- return;
- if (buf->bh_first.b_next == NULL) /* first add to list */
- {
- buf->bh_space = 0;
- buf->bh_curr = &(buf->bh_first);
- }
- else if (buf->bh_curr == NULL) /* buffer has already been read */
- {
- EMSG("Add to read buffer");
- return;
- }
- else if (buf->bh_index != 0)
- STRCPY(buf->bh_first.b_next->b_str,
- buf->bh_first.b_next->b_str + buf->bh_index);
- buf->bh_index = 0;
- if (buf->bh_space >= (int)n)
- {
- strcat((char *)buf->bh_curr->b_str, (char *)s);
- buf->bh_space -= n;
- }
- else
- {
- if (n < MINIMAL_SIZE)
- len = MINIMAL_SIZE;
- else
- len = n;
- p = (struct bufblock *)lalloc((long_u)(sizeof(struct bufblock) + len),
- TRUE);
- if (p == NULL)
- return; /* no space, just forget it */
- buf->bh_space = len - n;
- STRCPY(p->b_str, s);
- p->b_next = buf->bh_curr->b_next;
- buf->bh_curr->b_next = p;
- buf->bh_curr = p;
- }
- return;
- }
- static void
- add_num_buff(buf, n)
- struct buffheader *buf;
- long n;
- {
- char_u number[32];
- sprintf((char *)number, "%ld", n);
- add_buff(buf, number);
- }
- static void
- add_char_buff(buf, c)
- struct buffheader *buf;
- int c;
- {
- char_u temp[4];
- /*
- * translate special key code into three byte sequence
- */
- if (IS_SPECIAL(c) || c == K_SPECIAL || c == NUL)
- {
- temp[0] = K_SPECIAL;
- temp[1] = K_SECOND(c);
- temp[2] = K_THIRD(c);
- temp[3] = NUL;
- }
- else
- {
- temp[0] = c;
- temp[1] = NUL;
- }
- add_buff(buf, temp);
- }
- /*
- * get one character from the stuff buffer
- * If advance == TRUE go to the next char.
- */
- static int
- read_stuff(advance)
- int advance;
- {
- char_u c;
- struct bufblock *curr;
- if (stuffbuff.bh_first.b_next == NULL) /* buffer is empty */
- return NUL;
- curr = stuffbuff.bh_first.b_next;
- c = curr->b_str[stuffbuff.bh_index];
- if (advance)
- {
- if (curr->b_str[++stuffbuff.bh_index] == NUL)
- {
- stuffbuff.bh_first.b_next = curr->b_next;
- vim_free(curr);
- stuffbuff.bh_index = 0;
- }
- }
- return c;
- }
- /*
- * prepare stuff buffer for reading (if it contains something)
- */
- static void
- start_stuff()
- {
- if (stuffbuff.bh_first.b_next != NULL)
- {
- stuffbuff.bh_curr = &(stuffbuff.bh_first);
- stuffbuff.bh_space = 0;
- }
- }
- /*
- * check if the stuff buffer is empty
- */
- int
- stuff_empty()
- {
- return (stuffbuff.bh_first.b_next == NULL);
- }
- /*
- * Remove the contents of the stuff buffer and the mapped characters in the
- * typeahead buffer (used in case of an error). If 'typeahead' is true,
- * flush all typeahead characters (used when interrupted by a CTRL-C).
- */
- void
- flush_buffers(typeahead)
- int typeahead;
- {
- init_typebuf();
- start_stuff();
- while (read_stuff(TRUE) != NUL)
- ;
- if (typeahead) /* remove all typeahead */
- {
- /*
- * We have to get all characters, because we may delete the first part
- * of an escape sequence.
- * In an xterm we get one char at a time and we have to get them all.
- */
- while (inchar(typebuf, typebuflen - 1, 10L))
- ;
- typeoff = MAXMAPLEN;
- typelen = 0;
- }
- else /* remove mapped characters only */
- {
- typeoff += typemaplen;
- typelen -= typemaplen;
- }
- typemaplen = 0;
- no_abbr_cnt = 0;
- }
- /*
- * The previous contents of the redo buffer is kept in old_redobuffer.
- * This is used for the CTRL-O <.> command in insert mode.
- */
- void
- ResetRedobuff()
- {
- if (!block_redo)
- {
- free_buff(&old_redobuff);
- old_redobuff = redobuff;
- redobuff.bh_first.b_next = NULL;
- }
- }
- #if defined(AUTOCMD) || defined(WANT_EVAL) || defined(PROTO)
- /*
- * Save redobuff and old_redobuff to save_redobuff and save_old_redobuff.
- * Used before executing autocommands and user functions.
- */
- static int save_level = 0;
- void
- saveRedobuff()
- {
- if (save_level++ == 0)
- {
- save_redobuff = redobuff;
- redobuff.bh_first.b_next = NULL;
- save_old_redobuff = old_redobuff;
- old_redobuff.bh_first.b_next = NULL;
- }
- }
- /*
- * Restore redobuff and old_redobuff from save_redobuff and save_old_redobuff.
- * Used after executing autocommands and user functions.
- */
- void
- restoreRedobuff()
- {
- if (--save_level == 0)
- {
- free_buff(&redobuff);
- redobuff = save_redobuff;
- free_buff(&old_redobuff);
- old_redobuff = save_old_redobuff;
- }
- }
- #endif
- void
- AppendToRedobuff(s)
- char_u *s;
- {
- if (!block_redo)
- add_buff(&redobuff, s);
- }
- void
- AppendCharToRedobuff(c)
- int c;
- {
- if (!block_redo)
- add_char_buff(&redobuff, c);
- }
- void
- AppendNumberToRedobuff(n)
- long n;
- {
- if (!block_redo)
- add_num_buff(&redobuff, n);
- }
- void
- stuffReadbuff(s)
- char_u *s;
- {
- add_buff(&stuffbuff, s);
- }
- void
- stuffcharReadbuff(c)
- int c;
- {
- add_char_buff(&stuffbuff, c);
- }
- void
- stuffnumReadbuff(n)
- long n;
- {
- add_num_buff(&stuffbuff, n);
- }
- /*
- * Read a character from the redo buffer.
- * The redo buffer is left as it is.
- * if init is TRUE, prepare for redo, return FAIL if nothing to redo, OK
- * otherwise
- * if old is TRUE, use old_redobuff instead of redobuff
- */
- static int
- read_redo(init, old_redo)
- int init;
- int old_redo;
- {
- static struct bufblock *bp;
- static char_u *p;
- int c;
- if (init)
- {
- if (old_redo)
- bp = old_redobuff.bh_first.b_next;
- else
- bp = redobuff.bh_first.b_next;
- if (bp == NULL)
- return FAIL;
- p = bp->b_str;
- return OK;
- }
- if ((c = *p) != NUL)
- {
- if (c == K_SPECIAL)
- {
- c = TO_SPECIAL(p[1], p[2]);
- p += 2;
- }
- if (*++p == NUL && bp->b_next != NULL)
- {
- bp = bp->b_next;
- p = bp->b_str;
- }
- }
- return c;
- }
- /*
- * copy the rest of the redo buffer into the stuff buffer (could be done faster)
- * if old_redo is TRUE, use old_redobuff instead of redobuff
- */
- static void
- copy_redo(old_redo)
- int old_redo;
- {
- int c;
- while ((c = read_redo(FALSE, old_redo)) != NUL)
- stuffcharReadbuff(c);
- }
- /*
- * Stuff the redo buffer into the stuffbuff.
- * Insert the redo count into the command.
- * If 'old_redo' is TRUE, the last but one command is repeated
- * instead of the last command (inserting text). This is used for
- * CTRL-O <.> in insert mode
- *
- * return FAIL for failure, OK otherwise
- */
- int
- start_redo(count, old_redo)
- long count;
- int old_redo;
- {
- int c;
- /* init the pointers; return if nothing to redo */
- if (read_redo(TRUE, old_redo) == FAIL)
- return FAIL;
- c = read_redo(FALSE, old_redo);
- /* copy the buffer name, if present */
- if (c == '"')
- {
- add_buff(&stuffbuff, (char_u *)""");
- c = read_redo(FALSE, old_redo);
- /* if a numbered buffer is used, increment the number */
- if (c >= '1' && c < '9')
- ++c;
- add_char_buff(&stuffbuff, c);
- c = read_redo(FALSE, old_redo);
- }
- if (c == 'v') /* redo Visual */
- {
- VIsual = curwin->w_cursor;
- VIsual_active = TRUE;
- VIsual_reselect = TRUE;
- redo_VIsual_busy = TRUE;
- c = read_redo(FALSE, old_redo);
- }
- /* try to enter the count (in place of a previous count) */
- if (count)
- {
- while (isdigit(c)) /* skip "old" count */
- c = read_redo(FALSE, old_redo);
- add_num_buff(&stuffbuff, count);
- }
- /* copy from the redo buffer into the stuff buffer */
- add_char_buff(&stuffbuff, c);
- copy_redo(old_redo);
- return OK;
- }
- /*
- * Repeat the last insert (R, o, O, a, A, i or I command) by stuffing
- * the redo buffer into the stuffbuff.
- * return FAIL for failure, OK otherwise
- */
- int
- start_redo_ins()
- {
- int c;
- if (read_redo(TRUE, FALSE) == FAIL)
- return FAIL;
- start_stuff();
- /* skip the count and the command character */
- while ((c = read_redo(FALSE, FALSE)) != NUL)
- {
- if (vim_strchr((char_u *)"AaIiRrOo", c) != NULL)
- {
- if (c == 'O' || c == 'o')
- stuffReadbuff(NL_STR);
- break;
- }
- }
- /* copy the typed text from the redo buffer into the stuff buffer */
- copy_redo(FALSE);
- block_redo = TRUE;
- return OK;
- }
- void
- set_redo_ins()
- {
- block_redo = TRUE;
- }
- void
- stop_redo_ins()
- {
- block_redo = FALSE;
- }
- /*
- * Initialize typebuf to point to typebuf_init.
- * Alloc() cannot be used here: In out-of-memory situations it would
- * be impossible to type anything.
- */
- static void
- init_typebuf()
- {
- if (typebuf == NULL)
- {
- typebuf = typebuf_init;
- noremapbuf = noremapbuf_init;
- typebuflen = TYPELEN_INIT;
- typelen = 0;
- typeoff = 0;
- }
- }
- /*
- * insert a string in position 'offset' in the typeahead buffer (for "@r"
- * and ":normal" command, vgetorpeek() and check_termcode())
- *
- * If noremap is 0, new string can be mapped again.
- * If noremap is -1, new string cannot be mapped again.
- * If noremap is >0, that many characters of the new string cannot be mapped.
- *
- * If nottyped is TRUE, the string does not return KeyTyped (don't use when
- * offset is non-zero!).
- *
- * return FAIL for failure, OK otherwise
- */
- int
- ins_typebuf(str, noremap, offset, nottyped)
- char_u *str;
- int noremap;
- int offset;
- int nottyped;
- {
- char_u *s1, *s2;
- int newlen;
- int addlen;
- int i;
- int newoff;
- init_typebuf();
- addlen = STRLEN(str);
- /*
- * Easy case: there is room in front of typebuf[typeoff]
- */
- if (offset == 0 && addlen <= typeoff)
- {
- typeoff -= addlen;
- mch_memmove(typebuf + typeoff, str, (size_t)addlen);
- }
- /*
- * Need to allocate new buffer.
- * In typebuf there must always be room for 3 * MAXMAPLEN + 4 characters.
- * We add some extra room to avoid having to allocate too often.
- */
- else
- {
- newoff = MAXMAPLEN + 4;
- newlen = typelen + addlen + newoff + 4 * (MAXMAPLEN + 4);
- if (newlen < 0) /* string is getting too long */
- {
- emsg(e_toocompl); /* also calls flush_buffers */
- setcursor();
- return FAIL;
- }
- s1 = alloc(newlen);
- if (s1 == NULL) /* out of memory */
- return FAIL;
- s2 = alloc(newlen);
- if (s2 == NULL) /* out of memory */
- {
- vim_free(s1);
- return FAIL;
- }
- typebuflen = newlen;
- /* copy the old chars, before the insertion point */
- mch_memmove(s1 + newoff, typebuf + typeoff, (size_t)offset);
- /* copy the new chars */
- mch_memmove(s1 + newoff + offset, str, (size_t)addlen);
- /* copy the old chars, after the insertion point, including the NUL at
- * the end */
- mch_memmove(s1 + newoff + offset + addlen, typebuf + typeoff + offset,
- (size_t)(typelen - offset + 1));
- if (typebuf != typebuf_init)
- vim_free(typebuf);
- typebuf = s1;
- mch_memmove(s2 + newoff, noremapbuf + typeoff, (size_t)offset);
- mch_memmove(s2 + newoff + offset + addlen,
- noremapbuf + typeoff + offset, (size_t)(typelen - offset));
- if (noremapbuf != noremapbuf_init)
- vim_free(noremapbuf);
- noremapbuf = s2;
- typeoff = newoff;
- }
- typelen += addlen;
- /*
- * Adjust noremapbuf[] for the new characters:
- * If noremap < 0: all the new characters are flagged not remappable
- * If noremap == 0: all the new characters are flagged mappable
- * If noremap > 0: 'noremap' characters are flagged not remappable, the
- * rest mappable
- */
- if (noremap < 0) /* length not specified */
- noremap = addlen;
- for (i = 0; i < addlen; ++i)
- noremapbuf[typeoff + i + offset] = (noremap-- > 0);
- /* this is only correct for offset == 0! */
- if (nottyped) /* the inserted string is not typed */
- typemaplen += addlen;
- if (no_abbr_cnt && offset == 0) /* and not used for abbreviations */
- no_abbr_cnt += addlen;
- return OK;
- }
- /*
- * Return TRUE if there are no characters in the typeahead buffer that have
- * not been typed (result from a mapping or come from ":normal").
- */
- int
- typebuf_typed()
- {
- return typemaplen == 0;
- }
- /*
- * Return the number of characters that are mapped (or not typed).
- */
- int
- typebuf_maplen()
- {
- return typemaplen;
- }
- /*
- * remove "len" characters from typebuf[typeoff + offset]
- */
- void
- del_typebuf(len, offset)
- int len;
- int offset;
- {
- int i;
- typelen -= len;
- /*
- * Easy case: Just increase typeoff.
- */
- if (offset == 0 && typebuflen - (typeoff + len) >= 3 * MAXMAPLEN + 3)
- typeoff += len;
- /*
- * Have to move the characters in typebuf[] and noremapbuf[]
- */
- else
- {
- i = typeoff + offset;
- /*
- * Leave some extra room at the end to avoid reallocation.
- */
- if (typeoff > MAXMAPLEN)
- {
- mch_memmove(typebuf + MAXMAPLEN, typebuf + typeoff, (size_t)offset);
- mch_memmove(noremapbuf + MAXMAPLEN, noremapbuf + typeoff,
- (size_t)offset);
- typeoff = MAXMAPLEN;
- }
- /* adjust typebuf (include the NUL at the end) */
- mch_memmove(typebuf + typeoff + offset, typebuf + i + len,
- (size_t)(typelen - offset + 1));
- /* adjust noremapbuf[] */
- mch_memmove(noremapbuf + typeoff + offset, noremapbuf + i + len,
- (size_t)(typelen - offset));
- }
- if (typemaplen > offset) /* adjust typemaplen */
- {
- if (typemaplen < offset + len)
- typemaplen = offset;
- else
- typemaplen -= len;
- }
- if (no_abbr_cnt > offset) /* adjust no_abbr_cnt */
- {
- if (no_abbr_cnt < offset + len)
- no_abbr_cnt = offset;
- else
- no_abbr_cnt -= len;
- }
- }
- /*
- * Write typed characters to script file.
- * If recording is on put the character in the recordbuffer.
- */
- static void
- gotchars(s, len)
- char_u *s;
- int len;
- {
- int c;
- char_u buf[2];
- /* remember how many chars were last recorded */
- if (Recording)
- last_recorded_len += len;
- buf[1] = NUL;
- while (len--)
- {
- c = *s++;
- updatescript(c);
- if (Recording)
- {
- buf[0] = c;
- add_buff(&recordbuff, buf);
- }
- }
- may_sync_undo();
- }
- /*
- * Sync undo. Called when typed characters are obtained from the typeahead
- * buffer, or when a menu is used.
- * Do not sync:
- * - In Insert mode, unless cursor key has been used.
- * - While reading a script file.
- * - When no_u_sync is non-zero.
- */
- static void
- may_sync_undo()
- {
- if ((!(State & (INSERT + CMDLINE)) || arrow_used) &&
- scriptin[curscript] == NULL && !no_u_sync)
- u_sync();
- }
- /*
- * When doing ":so! file", the current typeahead needs to be saved, and
- * restored when "file" has been read completely.
- */
- static char_u *(sv_typebuf[NSCRIPT]);
- static char_u *(sv_noremapbuf[NSCRIPT]);
- static int sv_typebuflen[NSCRIPT];
- static int sv_typeoff[NSCRIPT];
- static int sv_typelen[NSCRIPT];
- static int sv_typemaplen[NSCRIPT];
- static int sv_no_abbr_cnt[NSCRIPT];
- int
- save_typebuf()
- {
- init_typebuf();
- sv_typebuf[curscript] = typebuf;
- sv_noremapbuf[curscript] = noremapbuf;
- sv_typebuflen[curscript] = typebuflen;
- sv_typeoff[curscript] = typeoff;
- sv_typelen[curscript] = typelen;
- sv_typemaplen[curscript] = typemaplen;
- sv_no_abbr_cnt[curscript] = no_abbr_cnt;
- typebuf = alloc(TYPELEN_INIT);
- noremapbuf = alloc(TYPELEN_INIT);
- typebuflen = TYPELEN_INIT;
- typeoff = 0;
- typelen = 0;
- typemaplen = 0;
- no_abbr_cnt = 0;
- /* If out of memory: restore typebuf and close file. */
- if (typebuf == NULL || noremapbuf == NULL)
- {
- closescript();
- return FAIL;
- }
- return OK;
- }
- /*
- * open new script file for ":so!" command
- * return OK on success, FAIL on error
- */
- int
- openscript(name)
- char_u *name;
- {
- int oldcurscript;
- if (curscript + 1 == NSCRIPT)
- {
- emsg(e_nesting);
- return FAIL;
- }
- if (scriptin[curscript] != NULL) /* already reading script */
- ++curscript;
- /* use NameBuff for expanded name */
- expand_env(name, NameBuff, MAXPATHL);
- if ((scriptin[curscript] = fopen((char *)NameBuff, READBIN)) == NULL)
- {
- emsg2(e_notopen, name);
- if (curscript)
- --curscript;
- return FAIL;
- }
- if (save_typebuf() == FAIL)
- return FAIL;
- /*
- * With command ":g/pat/so! file" we have to execute the
- * commands from the file now.
- */
- if (global_busy)
- {
- OPARG oa;
- clear_oparg(&oa);
- State = NORMAL;
- oldcurscript = curscript;
- do
- {
- adjust_cursor(); /* put cursor on an existing line */
- normal_cmd(&oa, FALSE);
- vpeekc(); /* check for end of file */
- }
- while (scriptin[oldcurscript] != NULL);
- State = CMDLINE;
- }
- return OK;
- }
- /*
- * Close the currently active input script.
- */
- static void
- closescript()
- {
- vim_free(typebuf);
- vim_free(noremapbuf);
- typebuf = sv_typebuf[curscript];
- noremapbuf = sv_noremapbuf[curscript];
- typebuflen = sv_typebuflen[curscript];
- typelen = sv_typelen[curscript];
- typeoff = sv_typeoff[curscript];
- typemaplen = sv_typemaplen[curscript];
- no_abbr_cnt = sv_no_abbr_cnt[curscript];
- fclose(scriptin[curscript]);
- scriptin[curscript] = NULL;
- if (curscript)
- --curscript;
- }
- /*
- * updatescipt() is called when a character can be written into the script file
- * or when we have waited some time for a character (c == 0)
- *
- * All the changed memfiles are synced if c == 0 or when the number of typed
- * characters reaches 'updatecount' and 'updatecount' is non-zero.
- */
- void
- updatescript(c)
- int c;
- {
- static int count = 0;
- if (c && scriptout)
- putc(c, scriptout);
- if (c == 0 || (p_uc > 0 && ++count >= p_uc))
- {
- ml_sync_all(c == 0, TRUE);
- count = 0;
- }
- }
- #define K_NEEDMORET -1 /* keylen value for incomplete key-code */
- #define M_NEEDMORET -2 /* keylen value for incomplete mapping */
- static int old_char = -1; /* ungotten character */
- int
- vgetc()
- {
- int c, c2;
- mod_mask = 0x0;
- last_recorded_len = 0;
- for (;;) /* this is done twice if there are modifiers */
- {
- if (mod_mask) /* no mapping after modifier has been read */
- {
- ++no_mapping;
- ++allow_keys;
- }
- c = vgetorpeek(TRUE);
- if (mod_mask)
- {
- --no_mapping;
- --allow_keys;
- }
- /* Get two extra bytes for special keys */
- if (c == K_SPECIAL)
- {
- ++no_mapping;
- c2 = vgetorpeek(TRUE); /* no mapping for these chars */
- c = vgetorpeek(TRUE);
- --no_mapping;
- if (c2 == KS_MODIFIER)
- {
- mod_mask = c;
- continue;
- }
- c = TO_SPECIAL(c2, c);
- #ifdef USE_GUI_WIN32
- /* Handle K_TEAROFF here, the caller of vgetc() doesn't need to
- * know that a menu was torn off */
- if (c == K_TEAROFF)
- {
- char_u name[200];
- int i;
- /* get menu path, it ends with a <CR> */
- for (i = 0; (c = vgetorpeek(TRUE)) != 'r'; )
- {
- name[i] = c;
- if (i < 199)
- ++i;
- }
- name[i] = NUL;
- gui_make_tearoff(name);
- continue;
- }
- #endif
- }
- #ifdef MSDOS
- /*
- * If K_NUL was typed, it is replaced by K_NUL, 3 in mch_inchar().
- * Delete the 3 here.
- */
- else if (c == K_NUL && vpeekc() == 3)
- (void)vgetorpeek(TRUE);
- #endif
- return c;
- }
- }
- int
- vpeekc()
- {
- return (vgetorpeek(FALSE));
- }
- /*
- * Call vpeekc() without causing anything to be mapped.
- * Return TRUE if a character is available, FALSE otherwise.
- */
- int
- char_avail()
- {
- int retval;
- ++no_mapping;
- retval = vgetorpeek(FALSE);
- --no_mapping;
- return (retval != NUL);
- }
- void
- vungetc(c) /* unget one character (can only be done once!) */
- int c;
- {
- old_char = c;
- }
- /*
- * get a character: 1. from a previously ungotten character
- * 2. from the stuffbuffer
- * 3. from the typeahead buffer
- * 4. from the user
- *
- * if "advance" is TRUE (vgetc()):
- * really get the character.
- * KeyTyped is set to TRUE in the case the user typed the key.
- * KeyStuffed is TRUE if the character comes from the stuff buffer.
- * if "advance" is FALSE (vpeekc()):
- * just look whether there is a character available.
- */
- static int
- vgetorpeek(advance)
- int advance;
- {
- int c, c1;
- int keylen = 0; /* init for gcc */
- char_u *s;
- struct mapblock *mp;
- int timedout = FALSE; /* waited for more than 1 second
- for mapping to complete */
- int mapdepth = 0; /* check for recursive mapping */
- int mode_deleted = FALSE; /* set when mode has been deleted */
- int local_State;
- int mlen;
- int max_mlen;
- #ifdef SHOWCMD
- int i;
- int new_wcol, new_wrow;
- #endif
- #ifdef USE_GUI
- int idx;
- int shape_changed = FALSE; /* adjusted cursor shape */
- #endif
- int n;
- #ifdef HAVE_LANGMAP
- int c2;
- #endif
- int old_wcol, old_wrow;
- /*
- * This function doesn't work very well when called recursively. This may
- * happen though, because of:
- * 1. The call to add_to_showcmd(). char_avail() is then used to check if
- * there is a character available, which calls this function. In that
- * case we must return NUL, to indicate no character is available.
- * 2. A GUI callback function writes to the screen, causing a
- * wait_return().
- */
- if (vgetc_busy)
- return NUL;
- local_State = get_real_state();
- /*
- * get a character: 1. from a previously ungotten character
- */
- if (old_char >= 0)
- {
- c = old_char;
- if (advance)
- old_char = -1;
- return c;
- }
- vgetc_busy = TRUE;
- if (advance)
- KeyStuffed = FALSE;
- init_typebuf();
- start_stuff();
- if (advance && typemaplen == 0)
- Exec_reg = FALSE;
- do
- {
- /*
- * get a character: 2. from the stuffbuffer
- */
- c = read_stuff(advance);
- if (c != NUL && !got_int)
- {
- if (advance)
- {
- KeyTyped = FALSE;
- KeyStuffed = TRUE;
- }
- if (no_abbr_cnt == 0)
- no_abbr_cnt = 1; /* no abbreviations now */
- }
- else
- {
- /*
- * Loop until we either find a matching mapped key, or we
- * are sure that it is not a mapped key.
- * If a mapped key sequence is found we go back to the start to
- * try re-mapping.
- */
- for (;;)
- {
- /*
- * ui_breakcheck() is slow, don't use it too often when
- * inside a mapping. But call it each time for typed
- * characters.
- */
- if (typemaplen)
- line_breakcheck();
- else
- ui_breakcheck(); /* check for CTRL-C */
- if (got_int)
- {
- /* flush all input */
- c = inchar(typebuf, typebuflen - 1, 0L);
- /*
- * If inchar returns TRUE (script file was active) or we
- * are inside a mapping, get out of insert mode.
- * Otherwise we behave like having gotten a CTRL-C.
- * As a result typing CTRL-C in insert mode will
- * really insert a CTRL-C.
- */
- if ((c || typemaplen) && (State & (INSERT + CMDLINE)))
- c = ESC;
- else
- c = Ctrl('C');
- flush_buffers(TRUE); /* flush all typeahead */
- break;
- }
- else if (typelen > 0) /* check for a mappable key sequence */
- {
- /*
- * walk through one maphash[] list until we find an
- * entry that matches.
- *
- * Don't look for mappings if:
- * - timed out
- * - no_mapping set: mapping disabled (e.g. for CTRL-V)
- * - maphash_valid not set: no mappings present.
- * - typebuf[typeoff] should not be remapped
- * - in insert or cmdline mode and 'paste' option set
- * - waiting for "hit return to continue" and CR or SPACE
- * typed
- * - waiting for a char with --more--
- * - in Ctrl-X mode, and we get a valid char for that mode
- */
- mp = NULL;
- max_mlen = 0;
- if (!timedout && no_mapping == 0 && maphash_valid
- && (typemaplen == 0 ||
- (p_remap && noremapbuf[typeoff] == FALSE))
- && !(p_paste && (State & (INSERT + CMDLINE)))
- && !(State == HITRETURN && (typebuf[typeoff] == CR
- || typebuf[typeoff] == ' '))
- && State != ASKMORE
- && State != CONFIRM
- #ifdef INSERT_EXPAND
- && !(ctrl_x_mode
- && vim_is_ctrl_x_key(typebuf[typeoff]))
- #endif
- )
- {
- c1 = typebuf[typeoff];
- #ifdef HAVE_LANGMAP
- LANGMAP_ADJUST(c1, TRUE);
- #endif
- for (mp = maphash[MAP_HASH(local_State, c1)];
- mp != NULL; mp = mp->m_next)
- {
- /*
- * Only consider an entry if the first character
- * matches and it is for the current state.
- */
- if (mp->m_keys[0] == c1 &&
- (mp->m_mode & local_State))
- {
- /* find the match length of this mapping */
- for (mlen = 1; mlen < typelen; ++mlen)
- {
- #ifdef HAVE_LANGMAP
- c2 = typebuf[typeoff + mlen];
- LANGMAP_ADJUST(c2, TRUE);
- if (mp->m_keys[mlen] != c2)
- #else
- if (mp->m_keys[mlen] !=
- typebuf[typeoff + mlen])
- #endif
- break;
- }
- /*
- * Check an entry whether it matches.
- * - Full match: mlen == keylen
- * - Partly match: mlen == typelen
- */
- keylen = mp->m_keylen;
- if (mlen == keylen ||
- (mlen == typelen && typelen < keylen))
- {
- /*
- * If one of the typed keys cannot be
- * remapped, skip the entry.
- */
- s = noremapbuf + typeoff;
- for (n = mlen; --n >= 0; )
- if (*s++)
- break;
- if (n >= 0)
- continue;
- /*
- * Need more chars for partly match.
- */
- if (keylen > typelen)
- keylen = M_NEEDMORET;
- break;
- }
- /*
- * no match, may have to check for termcode at
- * next character
- */
- if (max_mlen < mlen)
- max_mlen = mlen;
- }
- }
- }
- if (mp == NULL) /* no matching mapping found */
- {
- /*
- * Check if we have a terminal code, when:
- * mapping is allowed,
- * keys have not been mapped,
- * and not an ESC sequence, not in insert mode or
- * p_ek is on,
- * and when not timed out,
- */
- if ((no_mapping == 0 || allow_keys != 0) &&
- (typemaplen == 0 ||
- (p_remap && !noremapbuf[typeoff])) &&
- !timedout)
- {
- keylen = check_termcode(max_mlen + 1);
- /*
- * When getting a partial match, but the last
- * characters were not typed, don't wait for a
- * typed character to complete the termcode.
- * This helps a lot when a ":normal" command ends
- * in an ESC.
- */
- if (keylen < 0 && typelen == typemaplen)
- keylen = 0;
- }
- else
- keylen = 0;
- if (keylen == 0) /* no matching terminal code */
- {
- #ifdef AMIGA /* check for window bounds report */
- if (typemaplen == 0 &&
- (typebuf[typeoff] & 0xff) == CSI)
- {
- for (s = typebuf + typeoff + 1;
- s < typebuf + typeoff + typelen &&
- (isdigit(*s) || *s == ';' || *s == ' ');
- ++s)
- ;
- if (*s == 'r' || *s == '|') /* found one */
- {
- del_typebuf((int)(s + 1 -
- (typebuf + typeoff)), 0);
- /* get size and redraw screen */
- set_winsize(0, 0, FALSE);
- continue;
- }
- if (*s == NUL) /* need more characters */
- keylen = K_NEEDMORET;
- }
- if (keylen >= 0)
- #endif
- {
- /*
- * get a character: 3. from the typeahead buffer
- */
- c = typebuf[typeoff] & 255;
- if (advance) /* remove chars from typebuf */
- {
- if (typemaplen)
- KeyTyped = FALSE;
- else
- {
- KeyTyped = TRUE;
- ++maptick;
- /* write char to script file(s) */
- gotchars(typebuf + typeoff, 1);
- }
- del_typebuf(1, 0);
- }
- break; /* got character, break for loop */
- }
- }
- if (keylen > 0) /* full matching terminal code */
- {
- #ifdef USE_GUI
- if (typebuf[typeoff] == K_SPECIAL &&
- typebuf[typeoff + 1] == KS_MENU)
- {
- /*
- * Using a menu may cause a break in undo!
- * It's like using gotchars(), but without
- * recording or writing to a script file.
- */
- may_sync_undo();
- del_typebuf(3, 0);
- idx = gui_get_menu_index(current_menu,
- local_State);
- if (idx != MENU_INDEX_INVALID)
- {
- /*
- * In Select mode, a Visual mode menu is
- * used. Switch to Visual mode
- * temporarily. Append K_SELECT to switch
- * back to Select mode.
- */
- if (VIsual_active && VIsual_select)
- {
- VIsual_select = FALSE;
- (void)ins_typebuf(K_SELECT_STRING, -1,
- 0, TRUE);
- }
- ins_typebuf(current_menu->strings[idx],
- current_menu->noremap[idx] ? -1 : 0,
- 0, TRUE);
- }
- }
- #endif /* USE_GUI */
- continue; /* try mapping again */
- }
- /* partial match: get some more characters */
- keylen = K_NEEDMORET;
- }
- /* complete match */
- if (keylen >= 0 && keylen <= typelen)
- {
- /* write chars to script file(s) */
- if (keylen > typemaplen)
- gotchars(typebuf + typeoff + typemaplen,
- keylen - typemaplen);
- del_typebuf(keylen, 0); /* remove the mapped keys */
- /*
- * Put the replacement string in front of mapstr.
- * The depth check catches ":map x y" and ":map y x".
- */
- if (++mapdepth >= p_mmd)
- {
- EMSG("recursive mapping");
- if (State == CMDLINE)
- redrawcmdline();
- else
- setcursor();
- flush_buffers(FALSE);
- mapdepth = 0; /* for next one */
- c = -1;
- break;
- }
- /*
- * In Select mode, a Visual mode mapping is used.
- * Switch to Visual mode temporarily. Append K_SELECT
- * to switch back to Select mode.
- */
- if (VIsual_active && VIsual_select)
- {
- VIsual_select = FALSE;
- (void)ins_typebuf(K_SELECT_STRING, -1, 0, TRUE);
- }
- /*
- * Insert the 'to' part in the typebuf.
- * If 'from' field is the same as the start of the
- * 'to' field, don't remap the first character.
- * If m_noremap is set, don't remap the whole 'to'
- * part.
- */
- if (ins_typebuf(mp->m_str,
- mp->m_noremap ? -1
- : STRNCMP(mp->m_str, mp->m_keys,
- (size_t)keylen) ? 0 : 1,
- 0, TRUE) == FAIL)
- {
- c = -1;
- break;
- }
- continue;
- }
- }
- /*
- * special case: if we get an <ESC> in insert mode and there
- * are no more characters at once, we pretend to go out of
- * insert mode. This prevents the one second delay after
- * typing an <ESC>. If we get something after all, we may
- * have to redisplay the mode. That the cursor is in the wrong
- * place does not matter.
- */
- c = 0;
- #ifdef SHOWCMD
- new_wcol = curwin->w_wcol;
- new_wrow = curwin->w_wrow;
- #endif
- if ( advance
- && typelen == 1
- && typebuf[typeoff] == ESC
- && !no_mapping
- && typemaplen == 0
- && (State & INSERT)
- && (p_timeout || (keylen == K_NEEDMORET && p_ttimeout))
- && (c = inchar(typebuf + typeoff + typelen, 3, 25L))
- == 0)
- {
- colnr_t col, vcol;
- char_u *ptr;
- if (p_smd)
- {
- unshowmode(TRUE);
- mode_deleted = TRUE;
- }
- #ifdef USE_GUI
- /* may show different cursor shape */
- if (gui.in_use)
- {
- int save_State;
- save_State = State;
- State = NORMAL;
- gui_update_cursor(TRUE, FALSE);
- State = save_State;
- shape_changed = TRUE;
- }
- #endif
- validate_cursor();
- old_wcol = curwin->w_wcol;
- old_wrow = curwin->w_wrow;
- /* move cursor left, if possible */
- if (curwin->w_cursor.col != 0)
- {
- if (curwin->w_wcol)
- {
- if (did_ai)
- {
- /*
- * We are expecting to truncate the trailing
- * white-space, so find the last non-white
- * character -- webb
- */
- col = vcol = curwin->w_wcol = 0;
- ptr = ml_get_curline();
- while (col < curwin->w_cursor.col)
- {
- if (!vim_iswhite(ptr[col]))
- curwin->w_wcol = vcol;
- vcol += lbr_chartabsize(ptr + col,
- (colnr_t)vcol);
- ++col;
- }
- if (curwin->w_p_nu)
- curwin->w_wcol += 8;
- }
- else
- --curwin->w_wcol;
- }
- else if (curwin->w_p_wrap && curwin->w_wrow)
- {
- --curwin->w_wrow;
- curwin->w_wcol = Columns - 1;
- }
- }
- setcursor();
- out_flush();
- #ifdef SHOWCMD
- new_wcol = curwin->w_wcol;
- new_wrow = curwin->w_wrow;
- #endif
- curwin->w_wcol = old_wcol;
- curwin->w_wrow = old_wrow;
- }
- if (c < 0)
- continue; /* end of input script reached */
- typelen += c;
- /* buffer full, don't map */
- if (typelen >= typemaplen + MAXMAPLEN)
- {
- timedout = TRUE;
- continue;
- }
- /*
- * get a character: 4. from the user
- */
- #ifdef SHOWCMD
- /*
- * If we have a partial match (and are going to wait for more
- * input from the user), show the partially matched characters
- * to the user with showcmd -- webb.
- */
- i = 0;
- if (typelen > 0 && (State & (NORMAL | INSERT)) &&
- advance && !exmode_active)
- {
- /* need to use the col and row from above here */
- old_wcol = curwin->w_wcol;
- old_wrow = curwin->w_wrow;
- curwin->w_wcol = new_wcol;
- curwin->w_wrow = new_wrow;
- push_showcmd();
- if (typelen > SHOWCMD_COLS)
- i = typelen - SHOWCMD_COLS;
- while (i < typelen)
- (void)add_to_showcmd(typebuf[typeoff + i++]);
- curwin->w_wcol = old_wcol;
- curwin->w_wrow = old_wrow;
- }
- #endif
- c = inchar(typebuf + typeoff + typelen,
- typebuflen - typeoff - typelen - 1,
- !advance
- ? 0
- : ((typelen == 0 || !(p_timeout || (p_ttimeout &&
- keylen == K_NEEDMORET)))
- ? -1L
- : ((keylen == K_NEEDMORET && p_ttm >= 0)
- ? p_ttm
- : p_tm)));
- #ifdef SHOWCMD
- if (i)
- pop_showcmd();
- #endif
- if (c < 0)
- continue; /* end of input script reached */
- if (c == NUL) /* no character available */
- {
- if (!advance)
- break;
- if (typelen) /* timed out */
- {
- timedout = TRUE;
- continue;
- }
- }
- else
- { /* allow mapping for just typed characters */
- while (typebuf[typeoff + typelen] != NUL)
- noremapbuf[typeoff + typelen++] = FALSE;
- }
- } /* for (;;) */
- } /* if (!character from stuffbuf) */
- /* if advance is FALSE don't loop on NULs */
- } while (c < 0 || (advance && c == NUL));
- /*
- * The "INSERT" message is taken care of here:
- * if we return an ESC to exit insert mode, the message is deleted
- * if we don't return an ESC but deleted the message before, redisplay it
- */
- if (advance && p_smd && (State & INSERT))
- {
- if (c == ESC && !mode_deleted && !no_mapping)
- {
- if (typelen && !KeyTyped)
- redraw_cmdline = TRUE; /* delete mode later */
- else
- unshowmode(FALSE);
- }
- else if (c != ESC && mode_deleted)
- {
- if (typelen && !KeyTyped)
- redraw_cmdline = TRUE; /* show mode later */
- else
- showmode();
- }
- }
- #ifdef USE_GUI
- /* may unshow different cursor shape */
- if (gui.in_use && shape_changed)
- gui_update_cursor(TRUE, FALSE);
- #endif
- vgetc_busy = FALSE;
- return c;
- }
- /*
- * inchar() - get one character from
- * 1. a scriptfile
- * 2. the keyboard
- *
- * As much characters as we can get (upto 'maxlen') are put in buf and
- * NUL terminated (buffer length must be 'maxlen' + 1).
- * Minimum for 'maxlen' is 3!!!!
- *
- * If we got an interrupt all input is read until none is available.
- *
- * If wait_time == 0 there is no waiting for the char.
- * If wait_time == n we wait for n msec for a character to arrive.
- * If wait_time == -1 we wait forever for a character to arrive.
- *
- * Return the number of obtained characters.
- * Return -1 when end of input script reached.
- */
- int
- inchar(buf, maxlen, wait_time)
- char_u *buf;
- int maxlen;
- long wait_time; /* milli seconds */
- {
- int len = 0; /* init for GCC */
- int retesc = FALSE; /* return ESC with gotint */
- int c;
- int i;
- if (wait_time == -1L || wait_time > 100L) /* flush output before waiting */
- {
- cursor_on();
- out_flush();
- }
- /*
- * Don't reset these when at the hit-return prompt, otherwise a endless
- * recursive loop may result (write error in swapfile, hit-return, timeout
- * on char wait, flush swapfile, write error....).
- */
- if (State != HITRETURN)
- {
- did_outofmem_msg = FALSE; /* display out of memory message (again) */
- did_swapwrite_msg = FALSE; /* display swap file write error again */
- }
- undo_off = FALSE; /* restart undo now */
- /*
- * first try script file
- * If interrupted: Stop reading script files.
- */
- c = -1;
- while (scriptin[curscript] != NULL && c < 0)
- {
- if (got_int || (c = getc(scriptin[curscript])) < 0) /* reached EOF */
- {
- closescript();
- /*
- * When reading script file is interrupted, return an ESC to get
- * back to normal mode.
- * Otherwise return -1, because typebuf[] has changed.
- */
- if (got_int)
- retesc = TRUE;
- else
- return -1;
- }
- else
- {
- buf[0] = c;
- len = 1;
- }
- }
- if (c < 0) /* did not get a character from script */
- {
- /*
- * If we got an interrupt, skip all previously typed characters and
- * return TRUE if quit reading script file.
- */
- if (got_int)
- {
- while (ui_inchar(buf, maxlen, 0L))
- ;
- return retesc;
- }
- /*
- * Always flush the output characters when getting input characters
- * from the user.
- */
- out_flush();
- /*
- * fill up to a third of the buffer, because each character may be
- * tripled below
- */
- len = ui_inchar(buf, maxlen / 3, wait_time);
- }
- /*
- * Two characters are special: NUL and K_SPECIAL.
- * Replace NUL by K_SPECIAL KS_ZERO K_FILLER
- * Replace K_SPECIAL by K_SPECIAL KS_SPECIAL K_FILLER
- * Don't replace K_SPECIAL when reading a script file.
- */
- for (i = len; --i >= 0; ++buf)
- {
- #ifdef USE_GUI
- /* Any character can come after a CSI, don't escape it. */
- if (buf[0] == CSI && i >= 2)
- {
- buf += 2;
- i -= 2;
- continue;
- }
- #endif
- if (buf[0] == NUL || (buf[0] == K_SPECIAL && c < 0))
- {
- mch_memmove(buf + 3, buf + 1, (size_t)i);
- buf[2] = K_THIRD(buf[0]);
- buf[1] = K_SECOND(buf[0]);
- buf[0] = K_SPECIAL;
- buf += 2;
- len += 2;
- }
- }
- *buf = NUL; /* add trailing NUL */
- return len;
- }
- /*
- * map[!] : show all key mappings
- * map[!] {lhs} : show key mapping for {lhs}
- * map[!] {lhs} {rhs} : set key mapping for {lhs} to {rhs}
- * noremap[!] {lhs} {rhs} : same, but no remapping for {rhs}
- * unmap[!] {lhs} : remove key mapping for {lhs}
- * abbr : show all abbreviations
- * abbr {lhs} : show abbreviations for {lhs}
- * abbr {lhs} {rhs} : set abbreviation for {lhs} to {rhs}
- * noreabbr {lhs} {rhs} : same, but no remapping for {rhs}
- * unabbr {lhs} : remove abbreviation for {lhs}
- *
- * maptype == 1 for unmap command, 2 for noremap command.
- *
- * keys is pointer to any arguments. Note: keys cannot be a read-only string,
- * it will be modified.
- *
- * for :map mode is NORMAL + VISUAL + OP_PENDING
- * for :map! mode is INSERT + CMDLINE
- * for :cmap mode is CMDLINE
- * for :imap mode is INSERT
- * for :nmap mode is NORMAL
- * for :vmap mode is VISUAL
- * for :omap mode is OP_PENDING
- *
- * for :abbr mode is INSERT + CMDLINE
- * for :iabbr mode is INSERT
- * for :cabbr mode is CMDLINE
- *
- * Return 0 for success
- * 1 for invalid arguments
- * 2 for no match
- * 3 for ambiguety
- * 4 for out of mem
- */
- int
- do_map(maptype, keys, mode, abbrev)
- int maptype;
- char_u *keys;
- int mode;
- int abbrev; /* not a mapping but an abbreviation */
- {
- struct mapblock *mp, **mpp;
- char_u *arg;
- char_u *p;
- int n;
- int len = 0; /* init for GCC */
- char_u *newstr;
- int hasarg;
- int haskey;
- int did_it = FALSE;
- int round;
- char_u *keys_buf = NULL;
- char_u *arg_buf = NULL;
- int retval = 0;
- int do_backslash;
- int hash;
- int new_hash;
- validate_maphash();
- /*
- * find end of keys and skip CTRL-Vs (and backslashes) in it
- * Accept backslash like CTRL-V when 'cpoptions' does not contain 'B'.
- * with :unmap white space is included in the keys, no argument possible
- */
- p = keys;
- do_backslash = (vim_strchr(p_cpo, CPO_BSLASH) == NULL);
- while (*p && (maptype == 1 || !vim_iswhite(*p)))
- {
- if ((p[0] == Ctrl('V') || (do_backslash && p[0] == '\')) &&
- p[1] != NUL)
- ++p; /* skip CTRL-V or backslash */
- ++p;
- }
- if (*p != NUL)
- *p++ = NUL;
- p = skipwhite(p);
- arg = p;
- hasarg = (*arg != NUL);
- haskey = (*keys != NUL);
- /* check for :unmap without argument */
- if (maptype == 1 && !haskey)
- {
- retval = 1;
- goto theend;
- }
- /*
- * If mapping has been given as ^V<C_UP> say, then replace the term codes
- * with the appropriate two bytes. If it is a shifted special key, unshift
- * it too, giving another two bytes.
- * replace_termcodes() may move the result to allocated memory, which
- * needs to be freed later (*keys_buf and *arg_buf).
- * replace_termcodes() also removes CTRL-Vs and sometimes backslashes.
- */
- if (haskey)
- keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE);
- if (hasarg)
- {
- if (STRICMP(arg, "<nop>") == 0) /* "<Nop>" means nothing */
- arg = (char_u *)"";
- else
- arg = replace_termcodes(arg, &arg_buf, FALSE, TRUE);
- }
- #ifdef FKMAP
- /*
- * when in right-to-left mode and alternate keymap option set,
- * reverse the character flow in the arg in Farsi.
- */
- if (p_altkeymap && curwin->w_p_rl)
- lrswap(arg);
- #endif
- /*
- * check arguments and translate function keys
- */
- if (haskey)
- {
- len = STRLEN(keys);
- if (len > MAXMAPLEN) /* maximum length of MAXMAPLEN chars */
- {
- retval = 1;
- goto theend;
- }
- if (abbrev && maptype != 1)
- {
- /*
- * If an abbreviation ends in a keyword character, the
- * rest must be all keyword-char or all non-keyword-char.
- * Otherwise we won't be able to find the start of it in a
- * vi-compatible way.
- * An abbrevation cannot contain white space.
- */
- if (vim_iswordc(keys[len - 1])) /* ends in keyword char */
- for (n = 0; n < len - 2; ++n)
- if (vim_iswordc(keys[n]) != vim_iswordc(keys[len - 2]))
- {
- retval = 1;
- goto theend;
- }
- for (n = 0; n < len; ++n)
- if (vim_iswhite(keys[n]))
- {
- retval = 1;
- goto theend;
- }
- }
- }
- if (haskey && hasarg && abbrev) /* if we will add an abbreviation */
- no_abbr = FALSE; /* reset flag that indicates there are
- no abbreviations */
- if (!haskey || (maptype != 1 && !hasarg))
- msg_start();
- /*
- * Find an entry in the maphash[] list that matches.
- * For :unmap we may loop two times: once to try to unmap an entry with a
- * matching 'from' part, a second time, if the first fails, to unmap an
- * entry with a matching 'to' part. This was done to allow ":ab foo bar"
- * to be unmapped by typing ":unab foo", where "foo" will be replaced by
- * "bar" because of the abbreviation.
- */
- for (round = 0; (round == 0 || maptype == 1) && round <= 1 &&
- !did_it && !got_int; ++round)
- {
- /* need to loop over all hash lists */
- for (hash = 0; hash < 256 && !got_int; ++hash)
- {
- if (abbrev)
- {
- if (hash) /* there is only one abbreviation list */
- break;
- mpp = &first_abbr;
- }
- else
- mpp = &(maphash[hash]);
- for (mp = *mpp; mp != NULL && !got_int; mp = *mpp)
- {
- if (!(mp->m_mode & mode)) /* skip entries with wrong mode */
- {
- mpp = &(mp->m_next);
- continue;
- }
- if (!haskey) /* show all entries */
- {
- showmap(mp);
- did_it = TRUE;
- }
- else /* do we have a match? */
- {
- if (round) /* second round: Try unmap "rhs" string */
- {
- n = STRLEN(mp->m_str);
- p = mp->m_str;
- }
- else
- {
- n = mp->m_keylen;
- p = mp->m_keys;
- }
- if (!STRNCMP(p, keys, (size_t)(n < len ? n : len)))
- {
- if (maptype == 1) /* delete entry */
- {
- if (n != len) /* not a full match */
- {
- mpp = &(mp->m_next);
- continue;
- }
- /*
- * We reset the indicated mode bits. If nothing is
- * left the entry is deleted below.
- */
- mp->m_mode &= ~mode;
- did_it = TRUE; /* remember we did something */
- }
- else if (!hasarg) /* show matching entry */
- {
- showmap(mp);
- did_it = TRUE;
- }
- else if (n != len) /* new entry is ambigious */
- {
- if (abbrev) /* for abbrev's that's ok */
- {
- mpp = &(mp->m_next);
- continue;
- }
- retval = 3;
- goto theend;
- }
- else /* new rhs for existing entry */
- {
- mp->m_mode &= ~mode; /* remove mode bits */
- if (mp->m_mode == 0 && !did_it) /* reuse entry */
- {
- newstr = vim_strsave(arg);
- if (newstr == NULL)
- {
- retval = 4; /* no mem */
- goto theend;
- }
- vim_free(mp->m_str);
- mp->m_str = newstr;
- mp->m_noremap = maptype;
- mp->m_mode = mode;
- did_it = TRUE;
- }
- }
- if (mp->m_mode == 0) /* entry can be deleted */
- {
- map_free(mpp);
- continue; /* continue with *mpp */
- }
- /*
- * May need to put this entry into another hash list.
- */
- new_hash = MAP_HASH(mp->m_mode, mp->m_keys[0]);
- if (!abbrev && new_hash != hash)
- {
- *mpp = mp->m_next;
- mp->m_next = maphash[new_hash];
- maphash[new_hash] = mp;
- continue; /* continue with *mpp */
- }
- }
- }
- mpp = &(mp->m_next);
- }
- }
- }
- if (maptype == 1) /* delete entry */
- {
- if (!did_it)
- retval = 2; /* no match */
- goto theend;
- }
- if (!haskey || !hasarg) /* print entries */
- {
- if (!did_it)
- {
- if (abbrev)
- MSG("No abbreviation found");
- else
- MSG("No mapping found");
- }
- goto theend; /* listing finished */
- }
- if (did_it) /* have added the new entry already */
- goto theend;
- /*
- * Get here when we have to add a new entry to the maphash[] list or abbrlist.
- */
- mp = (struct mapblock *)alloc((unsigned)sizeof(struct mapblock));
- if (mp == NULL)
- {
- retval = 4; /* no mem */
- goto theend;
- }
- #ifdef USE_GUI_WIN32
- /* If CTRL-C has been mapped, don't use it for Interrupting */
- if (*keys == Ctrl('C'))
- mapped_ctrl_c = TRUE;
- #endif
- mp->m_keys = vim_strsave(keys);
- mp->m_str = vim_strsave(arg);
- if (mp->m_keys == NULL || mp->m_str == NULL)
- {
- vim_free(mp->m_keys);
- vim_free(mp->m_str);
- vim_free(mp);
- retval = 4; /* no mem */
- goto theend;
- }
- mp->m_keylen = STRLEN(mp->m_keys);
- mp->m_noremap = maptype;
- mp->m_mode = mode;
- /* add the new entry in front of the abbrlist or maphash[] list */
- if (abbrev)
- {
- mp->m_next = first_abbr;
- first_abbr = mp;
- }
- else
- {
- n = MAP_HASH(mp->m_mode, mp->m_keys[0]);
- mp->m_next = maphash[n];
- maphash[n] = mp;
- }
- theend:
- vim_free(keys_buf);
- vim_free(arg_buf);
- return retval;
- }
- /*
- * Delete one entry from the abbrlist or maphash[].
- * "mpp" is a pointer to the m_next field of the PREVIOUS entry!
- */
- static void
- map_free(mpp)
- struct mapblock **mpp;
- {
- struct mapblock *mp;
- mp = *mpp;
- vim_free(mp->m_keys);
- vim_free(mp->m_str);
- *mpp = mp->m_next;
- vim_free(mp);
- }
- /*
- * Initialize maphash[] for first use.
- */
- static void
- validate_maphash()
- {
- if (!maphash_valid)
- {
- vim_memset(maphash, 0, sizeof(maphash));
- maphash_valid = TRUE;
- }
- }
- /*
- * Get the mapping mode from the command name.
- */
- int
- get_map_mode(cmdp, forceit)
- char_u **cmdp;
- int forceit;
- {
- char_u *p;
- int modec;
- int mode;
- p = *cmdp;
- modec = *p++;
- if (modec == 'i')
- mode = INSERT; /* :imap */
- else if (modec == 'c')
- mode = CMDLINE; /* :cmap */
- else if (modec == 'n' && *p != 'o') /* avoid :noremap */
- mode = NORMAL; /* :nmap */
- else if (modec == 'v')
- mode = VISUAL; /* :vmap */
- else if (modec == 'o')
- mode = OP_PENDING; /* :omap */
- else
- {
- --p;
- if (forceit)
- mode = INSERT + CMDLINE; /* :map ! */
- else
- mode = VISUAL + NORMAL + OP_PENDING;/* :map */
- }
- *cmdp = p;
- return mode;
- }
- /*
- * Clear all mappings or abbreviations.
- * 'abbr' should be FALSE for mappings, TRUE for abbreviations.
- */
- void
- map_clear(cmdp, forceit, abbr)
- char_u *cmdp;
- int forceit;
- int abbr;
- {
- struct mapblock *mp, **mpp;
- int mode;
- int hash;
- int new_hash;
- validate_maphash();
- mode = get_map_mode(&cmdp, forceit);
- for (hash = 0; hash < 256; ++hash)
- {
- if (abbr)
- {
- if (hash) /* there is only one abbrlist */
- break;
- mpp = &first_abbr;
- }
- else
- mpp = &maphash[hash];
- while (*mpp != NULL)
- {
- mp = *mpp;
- if (mp->m_mode & mode)
- {
- mp->m_mode &= ~mode;
- if (mp->m_mode == 0) /* entry can be deleted */
- {
- map_free(mpp);
- continue;
- }
- /*
- * May need to put this entry into another hash list.
- */
- new_hash = MAP_HASH(mp->m_mode, mp->m_keys[0]);
- if (!abbr && new_hash != hash)
- {
- *mpp = mp->m_next;
- mp->m_next = maphash[new_hash];
- maphash[new_hash] = mp;
- continue; /* continue with *mpp */
- }
- }
- mpp = &(mp->m_next);
- }
- }
- }
- static void
- showmap(mp)
- struct mapblock *mp;
- {
- int len = 1;
- if (msg_didout)
- msg_putchar('n');
- if ((mp->m_mode & (INSERT + CMDLINE)) == INSERT + CMDLINE)
- msg_putchar('!'); /* :map! */
- else if (mp->m_mode & INSERT)
- msg_putchar('i'); /* :imap */
- else if (mp->m_mode & CMDLINE)
- msg_putchar('c'); /* :cmap */
- else if ((mp->m_mode & (NORMAL + VISUAL + OP_PENDING))
- == NORMAL + VISUAL + OP_PENDING)
- msg_putchar(' '); /* :map */
- else
- {
- len = 0;
- if (mp->m_mode & NORMAL)
- {
- msg_putchar('n'); /* :nmap */
- ++len;
- }
- if (mp->m_mode & OP_PENDING)
- {
- msg_putchar('o'); /* :omap */
- ++len;
- }
- if (mp->m_mode & VISUAL)
- {
- msg_putchar('v'); /* :vmap */
- ++len;
- }
- }
- while (++len <= 3)
- msg_putchar(' ');
- /* Get length of what we write */
- len = msg_outtrans_special(mp->m_keys, TRUE);
- do
- {
- msg_putchar(' '); /* padd with blanks */
- ++len;
- } while (len < 12);
- if (mp->m_noremap)
- msg_puts_attr((char_u *)"*", hl_attr(HLF_8));
- else
- msg_putchar(' ');
- /* Use FALSE below if we only want things like <Up> to show up as such on
- * the rhs, and not M-x etc, TRUE gets both -- webb
- */
- if (*mp->m_str == NUL)
- msg_puts_attr((char_u *)"<Nop>", hl_attr(HLF_8));
- else
- msg_outtrans_special(mp->m_str, TRUE);
- out_flush(); /* show one line at a time */
- }
- /*
- * Check for an abbreviation.
- * Cursor is at ptr[col]. When inserting, mincol is where insert started.
- * "c" is the character typed before check_abbr was called.
- *
- * Historic vi practice: The last character of an abbreviation must be an id
- * character ([a-zA-Z0-9_]). The characters in front of it must be all id
- * characters or all non-id characters. This allows for abbr. "#i" to
- * "#include".
- *
- * Vim addition: Allow for abbreviations that end in a non-keyword character.
- * Then there must be white space before the abbr.
- *
- * return TRUE if there is an abbreviation, FALSE if not
- */
- int
- check_abbr(c, ptr, col, mincol)
- int c;
- char_u *ptr;
- int col;
- int mincol;
- {
- int len;
- int j;
- char_u tb[4];
- struct mapblock *mp;
- int is_id = TRUE;
- int vim_abbr;
- if (no_abbr_cnt) /* abbrev. are not recursive */
- return FALSE;
- /*
- * Check for word before the cursor: If it ends in a keyword char all
- * chars before it must be al keyword chars or non-keyword chars, but not
- * white space. If it ends in a non-keyword char we accept any characters
- * before it except white space.
- */
- if (col == 0) /* cannot be an abbr. */
- return FALSE;
- if (!vim_iswordc(ptr[col - 1]))
- vim_abbr = TRUE; /* Vim added abbr. */
- else
- {
- vim_abbr = FALSE; /* vi compatible abbr. */
- if (col > 1)
- is_id = vim_iswordc(ptr[col - 2]);
- }
- for (len = col - 1; len > 0 && !vim_isspace(ptr[len - 1]) &&
- (vim_abbr || is_id == vim_iswordc(ptr[len - 1])); --len)
- ;
- if (len < mincol)
- len = mincol;
- if (len < col) /* there is a word in front of the cursor */
- {
- ptr += len;
- len = col - len;
- for (mp = first_abbr; mp; mp = mp->m_next)
- {
- /* find entries with right mode and keys */
- if ( (mp->m_mode & State)
- && mp->m_keylen == len
- && !STRNCMP(mp->m_keys, ptr, (size_t)len))
- break;
- }
- if (mp)
- {
- /*
- * Found a match:
- * Insert the rest of the abbreviation in typebuf[].
- * This goes from end to start.
- *
- * Characters 0x000 - 0x100: normal chars, may need CTRL-V,
- * except K_SPECIAL: Becomes K_SPECIAL KS_SPECIAL K_FILLER
- * Characters where IS_SPECIAL() == TRUE: key codes, need
- * K_SPECIAL. Other characters (with ABBR_OFF): don't use CTRL-V.
- *
- * Character CTRL(']') is treated specially - it completes the
- * abbreviation, but is not inserted into the input stream.
- */
- j = 0;
- /* special key code, split up */
- if (c != Ctrl(']'))
- {
- if (IS_SPECIAL(c) || c == K_SPECIAL)
- {
- tb[j++] = K_SPECIAL;
- tb[j++] = K_SECOND(c);
- c = K_THIRD(c);
- }
- else if (c < 0x100 && (c < ' ' || c > '~'))
- tb[j++] = Ctrl('V'); /* special char needs CTRL-V */
- tb[j++] = c;
- tb[j] = NUL;
- /* insert the last typed char */
- (void)ins_typebuf(tb, TRUE, 0, TRUE);
- }
- /* insert the to string */
- (void)ins_typebuf(mp->m_str, mp->m_noremap ? -1 : 0, 0, TRUE);
- /* no abbrev. for these chars */
- no_abbr_cnt += STRLEN(mp->m_str) + j + 1;
- tb[0] = Ctrl('H');
- tb[1] = NUL;
- while (len--) /* delete the from string */
- (void)ins_typebuf(tb, TRUE, 0, TRUE);
- return TRUE;
- }
- }
- return FALSE;
- }
- /*
- * Write map commands for the current mappings to an .exrc file.
- * Return FAIL on error, OK otherwise.
- */
- int
- makemap(fd)
- FILE *fd;
- {
- struct mapblock *mp;
- char_u c1, c2;
- char_u *p;
- char *cmd;
- int abbr;
- int hash;
- int did_cpo = FALSE;
- int i;
- validate_maphash();
- /*
- * Do the loop twice: Once for mappings, once for abbreviations.
- * Then loop over all map hash lists.
- */
- for (abbr = 0; abbr < 2; ++abbr)
- for (hash = 0; hash < 256; ++hash)
- {
- if (abbr)
- {
- if (hash) /* there is only one abbr list */
- break;
- mp = first_abbr;
- }
- else
- mp = maphash[hash];
- for ( ; mp; mp = mp->m_next)
- {
- c1 = NUL;
- c2 = NUL;
- if (abbr)
- cmd = "abbr";
- else
- cmd = "map";
- switch (mp->m_mode)
- {
- case NORMAL + VISUAL + OP_PENDING:
- break;
- case NORMAL:
- c1 = 'n';
- break;
- case VISUAL:
- c1 = 'v';
- break;
- case OP_PENDING:
- c1 = 'o';
- break;
- case NORMAL + VISUAL:
- c1 = 'n';
- c2 = 'v';
- break;
- case VISUAL + OP_PENDING:
- c1 = 'v';
- c2 = 'o';
- break;
- case NORMAL + OP_PENDING:
- c1 = 'n';
- c2 = 'o';
- break;
- case CMDLINE + INSERT:
- if (!abbr)
- cmd = "map!";
- break;
- case CMDLINE:
- c1 = 'c';
- break;
- case INSERT:
- c1 = 'i';
- break;
- default:
- EMSG("makemap: Illegal mode");
- return FAIL;
- }
- do /* may do this twice if c2 is set */
- {
- /* When outputting <> form, need to make sure that 'cpo'
- * is empty. */
- if (!did_cpo)
- {
- if (*mp->m_str == NUL) /* will use <Nop> */
- did_cpo = TRUE;
- else
- for (i = 0; i < 2; ++i)
- for (p = (i ? mp->m_str : mp->m_keys); *p; ++p)
- if (*p == K_SPECIAL || *p == NL)
- did_cpo = TRUE;
- if (did_cpo)
- {
- if (fprintf(fd,
- #ifdef USE_CRNL
- "let cpo_save=&cpornset cpo=rn"
- #else
- "let cpo_save=&cponset cpo=n"
- #endif
- ) < 0)
- return FAIL;
- }
- }
- if (c1 && putc(c1, fd) < 0)
- return FAIL;
- if (mp->m_noremap && fprintf(fd, "nore") < 0)
- return FAIL;
- if (fprintf(fd, cmd) < 0)
- return FAIL;
- if ( putc(' ', fd) < 0
- || putescstr(fd, mp->m_keys, FALSE) == FAIL
- || putc(' ', fd) < 0
- || putescstr(fd, mp->m_str, FALSE) == FAIL
- #ifdef USE_CRNL
- || putc('r', fd) < 0
- #endif
- || putc('n', fd) < 0)
- return FAIL;
- c1 = c2;
- c2 = NUL;
- }
- while (c1);
- }
- }
- if (did_cpo)
- if (fprintf(fd,
- #ifdef USE_CRNL
- "let &cpo=cpo_savernunlet cpo_savern"
- #else
- "let &cpo=cpo_savenunlet cpo_saven"
- #endif
- ) < 0)
- return FAIL;
- return OK;
- }
- /*
- * write escape string to file
- *
- * return FAIL for failure, OK otherwise
- */
- int
- putescstr(fd, str, set)
- FILE *fd;
- char_u *str;
- int set; /* TRUE for makeset, FALSE for makemap */
- {
- int c;
- int modifiers;
- /* :map xx <Nop> */
- if (*str == NUL && !set)
- {
- fprintf(fd, "<Nop>");
- return OK;
- }
- for ( ; *str; ++str)
- {
- c = *str;
- /*
- * Special key codes have to be translated to be able to make sense
- * when they are read back.
- */
- if (c == K_SPECIAL && !set)
- {
- modifiers = 0x0;
- if (str[1] == KS_MODIFIER)
- {
- modifiers = str[2];
- str += 3;
- c = *str;
- }
- if (c == K_SPECIAL)
- {
- c = TO_SPECIAL(str[1], str[2]);
- str += 2;
- }
- if (IS_SPECIAL(c) || modifiers) /* special key */
- {
- fprintf(fd, (char *)get_special_key_name(c, modifiers));
- continue;
- }
- }
- /*
- * A 'n' in a map command should be written as <NL>.
- * A 'n' in a set command should be written as ^V^J.
- */
- if (c == NL)
- {
- if (set)
- fprintf(fd, "\ 26n");
- else
- fprintf(fd, "<NL>");
- continue;
- }
- /*
- * some characters have to be escaped with CTRL-V to
- * prevent them from misinterpreted in DoOneCmd().
- * A space, Tab and '"' has to be escaped with a backslash to
- * prevent it to be misinterpreted in do_set().
- * A '<' has to be escaped with a CTRL-V to prevent it being
- * interpreted as the start of a special key name.
- */
- if (set && (vim_iswhite(c) || c == '"' || c == '\'))
- {
- if (putc('\', fd) < 0)
- return FAIL;
- }
- else if (c < ' ' || c > '~' || c == '|' || (!set && c == '<'))
- {
- if (putc(Ctrl('V'), fd) < 0)
- return FAIL;
- }
- if (putc(c, fd) < 0)
- return FAIL;
- }
- return OK;
- }
- /*
- * Check all mappings for the presence of special key codes.
- * Used after ":set term=xxx".
- */
- void
- check_map_keycodes()
- {
- struct mapblock *mp;
- char_u *p;
- int i;
- char_u buf[3];
- char_u *save_name;
- int abbr;
- int hash;
- validate_maphash();
- save_name = sourcing_name;
- sourcing_name = (char_u *)"mappings";/* don't give error messages */
- /*
- * Do the loop twice: Once for mappings, once for abbreviations.
- * Then loop over all map hash lists.
- */
- for (abbr = 0; abbr < 2; ++abbr)
- for (hash = 0; hash < 256; ++hash)
- {
- if (abbr)
- {
- if (hash) /* there is only one abbr list */
- break;
- mp = first_abbr;
- }
- else
- mp = maphash[hash];
- for ( ; mp != NULL; mp = mp->m_next)
- {
- for (i = 0; i <= 1; ++i) /* do this twice */
- {
- if (i == 0)
- p = mp->m_keys; /* once for the "from" part */
- else
- p = mp->m_str; /* and once for the "to" part */
- while (*p)
- {
- if (*p == K_SPECIAL)
- {
- ++p;
- if (*p < 128) /* for "normal" termcap entries */
- {
- buf[0] = p[0];
- buf[1] = p[1];
- buf[2] = NUL;
- (void)add_termcap_entry(buf, FALSE);
- }
- ++p;
- }
- ++p;
- }
- }
- }
- }
- sourcing_name = save_name;
- }