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Diffstat (limited to 'src/mark.c')
| -rw-r--r-- | src/mark.c | 1617 |
1 files changed, 1617 insertions, 0 deletions
diff --git a/src/mark.c b/src/mark.c new file mode 100644 index 000000000..e1b800eb1 --- /dev/null +++ b/src/mark.c @@ -0,0 +1,1617 @@ +/* vi:set ts=8 sts=4 sw=4: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * mark.c: functions for setting marks and jumping to them + */ + +#include "vim.h" + +/* + * This file contains routines to maintain and manipulate marks. + */ + +/* + * If a named file mark's lnum is non-zero, it is valid. + * If a named file mark's fnum is non-zero, it is for an existing buffer, + * otherwise it is from .viminfo and namedfm[n].fname is the file name. + * There are marks 'A - 'Z (set by user) and '0 to '9 (set when writing + * viminfo). + */ +#define EXTRA_MARKS 10 /* marks 0-9 */ +static xfmark_T namedfm[NMARKS + EXTRA_MARKS]; /* marks with file nr */ + +static void fname2fnum __ARGS((xfmark_T *fm)); +static void fmarks_check_one __ARGS((xfmark_T *fm, char_u *name, buf_T *buf)); +static char_u *mark_line __ARGS((pos_T *mp, int lead_len)); +static void show_one_mark __ARGS((int, char_u *, pos_T *, char_u *, int current)); +#ifdef FEAT_JUMPLIST +static void cleanup_jumplist __ARGS((void)); +#endif +#ifdef FEAT_VIMINFO +static void write_one_filemark __ARGS((FILE *fp, xfmark_T *fm, int c1, int c2)); +#endif + +/* + * Set named mark 'c' at current cursor position. + * Returns OK on success, FAIL if bad name given. + */ + int +setmark(c) + int c; +{ + int i; + + /* Check for a special key (may cause islower() to crash). */ + if (c < 0) + return FAIL; + + if (c == '\'' || c == '`') + { + setpcmark(); + /* keep it even when the cursor doesn't move */ + curwin->w_prev_pcmark = curwin->w_pcmark; + return OK; + } + + /* Allow setting '[ and '] for an autocommand that simulates reading a + * file. */ + if (c == '[') + { + curbuf->b_op_start = curwin->w_cursor; + return OK; + } + if (c == ']') + { + curbuf->b_op_end = curwin->w_cursor; + return OK; + } + +#ifndef EBCDIC + if (c > 'z') /* some islower() and isupper() cannot handle + characters above 127 */ + return FAIL; +#endif + if (islower(c)) + { + i = c - 'a'; + curbuf->b_namedm[i] = curwin->w_cursor; + return OK; + } + if (isupper(c)) + { + i = c - 'A'; + namedfm[i].fmark.mark = curwin->w_cursor; + namedfm[i].fmark.fnum = curbuf->b_fnum; + vim_free(namedfm[i].fname); + namedfm[i].fname = NULL; + return OK; + } + return FAIL; +} + +/* + * Set the previous context mark to the current position and add it to the + * jump list. + */ + void +setpcmark() +{ +#ifdef FEAT_JUMPLIST + int i; + xfmark_T *fm; +#endif +#ifdef JUMPLIST_ROTATE + xfmark_T tempmark; +#endif + + /* for :global the mark is set only once */ + if (global_busy || listcmd_busy || cmdmod.keepjumps) + return; + + curwin->w_prev_pcmark = curwin->w_pcmark; + curwin->w_pcmark = curwin->w_cursor; + +#ifdef FEAT_JUMPLIST +# ifdef JUMPLIST_ROTATE + /* + * If last used entry is not at the top, put it at the top by rotating + * the stack until it is (the newer entries will be at the bottom). + * Keep one entry (the last used one) at the top. + */ + if (curwin->w_jumplistidx < curwin->w_jumplistlen) + ++curwin->w_jumplistidx; + while (curwin->w_jumplistidx < curwin->w_jumplistlen) + { + tempmark = curwin->w_jumplist[curwin->w_jumplistlen - 1]; + for (i = curwin->w_jumplistlen - 1; i > 0; --i) + curwin->w_jumplist[i] = curwin->w_jumplist[i - 1]; + curwin->w_jumplist[0] = tempmark; + ++curwin->w_jumplistidx; + } +# endif + + /* If jumplist is full: remove oldest entry */ + if (++curwin->w_jumplistlen > JUMPLISTSIZE) + { + curwin->w_jumplistlen = JUMPLISTSIZE; + vim_free(curwin->w_jumplist[0].fname); + for (i = 1; i < JUMPLISTSIZE; ++i) + curwin->w_jumplist[i - 1] = curwin->w_jumplist[i]; + } + curwin->w_jumplistidx = curwin->w_jumplistlen; + fm = &curwin->w_jumplist[curwin->w_jumplistlen - 1]; + + fm->fmark.mark = curwin->w_pcmark; + fm->fmark.fnum = curbuf->b_fnum; + fm->fname = NULL; +#endif +} + +/* + * To change context, call setpcmark(), then move the current position to + * where ever, then call checkpcmark(). This ensures that the previous + * context will only be changed if the cursor moved to a different line. + * If pcmark was deleted (with "dG") the previous mark is restored. + */ + void +checkpcmark() +{ + if (curwin->w_prev_pcmark.lnum != 0 + && (equalpos(curwin->w_pcmark, curwin->w_cursor) + || curwin->w_pcmark.lnum == 0)) + { + curwin->w_pcmark = curwin->w_prev_pcmark; + curwin->w_prev_pcmark.lnum = 0; /* Show it has been checked */ + } +} + +#if defined(FEAT_JUMPLIST) || defined(PROTO) +/* + * move "count" positions in the jump list (count may be negative) + */ + pos_T * +movemark(count) + int count; +{ + pos_T *pos; + xfmark_T *jmp; + + cleanup_jumplist(); + + if (curwin->w_jumplistlen == 0) /* nothing to jump to */ + return (pos_T *)NULL; + + for (;;) + { + if (curwin->w_jumplistidx + count < 0 + || curwin->w_jumplistidx + count >= curwin->w_jumplistlen) + return (pos_T *)NULL; + + /* + * if first CTRL-O or CTRL-I command after a jump, add cursor position + * to list. Careful: If there are duplicates (CTRL-O immidiately after + * starting Vim on a file), another entry may have been removed. + */ + if (curwin->w_jumplistidx == curwin->w_jumplistlen) + { + setpcmark(); + --curwin->w_jumplistidx; /* skip the new entry */ + if (curwin->w_jumplistidx + count < 0) + return (pos_T *)NULL; + } + + curwin->w_jumplistidx += count; + + jmp = curwin->w_jumplist + curwin->w_jumplistidx; + if (jmp->fmark.fnum == 0) + fname2fnum(jmp); + if (jmp->fmark.fnum != curbuf->b_fnum) + { + /* jump to other file */ + if (buflist_findnr(jmp->fmark.fnum) == NULL) + { /* Skip this one .. */ + count += count < 0 ? -1 : 1; + continue; + } + if (buflist_getfile(jmp->fmark.fnum, jmp->fmark.mark.lnum, + 0, FALSE) == FAIL) + return (pos_T *)NULL; + /* Set lnum again, autocommands my have changed it */ + curwin->w_cursor = jmp->fmark.mark; + pos = (pos_T *)-1; + } + else + pos = &(jmp->fmark.mark); + return pos; + } +} + +/* + * Move "count" positions in the changelist (count may be negative). + */ + pos_T * +movechangelist(count) + int count; +{ + int n; + + if (curbuf->b_changelistlen == 0) /* nothing to jump to */ + return (pos_T *)NULL; + + n = curwin->w_changelistidx; + if (n + count < 0) + { + if (n == 0) + return (pos_T *)NULL; + n = 0; + } + else if (n + count >= curbuf->b_changelistlen) + { + if (n == curbuf->b_changelistlen - 1) + return (pos_T *)NULL; + n = curbuf->b_changelistlen - 1; + } + else + n += count; + curwin->w_changelistidx = n; + return curbuf->b_changelist + n; +} +#endif + +/* + * Find mark "c". + * Returns: + * - pointer to pos_T if found. lnum is 0 when mark not set, -1 when mark is + * in another file which can't be gotten. (caller needs to check lnum!) + * - NULL if there is no mark called 'c'. + * - -1 if mark is in other file and jumped there (only if changefile is TRUE) + */ + pos_T * +getmark(c, changefile) + int c; + int changefile; /* allowed to edit another file */ +{ + pos_T *posp; +#ifdef FEAT_VISUAL + pos_T *startp, *endp; +#endif + static pos_T pos_copy; + + posp = NULL; + + /* Check for special key, can't be a mark name and might cause islower() + * to crash. */ + if (c < 0) + return posp; +#ifndef EBCDIC + if (c > '~') /* check for islower()/isupper() */ + ; + else +#endif + if (c == '\'' || c == '`') /* previous context mark */ + { + pos_copy = curwin->w_pcmark; /* need to make a copy because */ + posp = &pos_copy; /* w_pcmark may be changed soon */ + } + else if (c == '"') /* to pos when leaving buffer */ + posp = &(curbuf->b_last_cursor); + else if (c == '^') /* to where Insert mode stopped */ + posp = &(curbuf->b_last_insert); + else if (c == '.') /* to where last change was made */ + posp = &(curbuf->b_last_change); + else if (c == '[') /* to start of previous operator */ + posp = &(curbuf->b_op_start); + else if (c == ']') /* to end of previous operator */ + posp = &(curbuf->b_op_end); + else if (c == '{' || c == '}') /* to previous/next paragraph */ + { + pos_T pos; + oparg_T oa; + int slcb = listcmd_busy; + + pos = curwin->w_cursor; + listcmd_busy = TRUE; /* avoid that '' is changed */ + if (findpar(&oa, c == '}' ? FORWARD : BACKWARD, 1L, NUL, FALSE)) + { + pos_copy = curwin->w_cursor; + posp = &pos_copy; + } + curwin->w_cursor = pos; + listcmd_busy = slcb; + } + else if (c == '(' || c == ')') /* to previous/next sentence */ + { + pos_T pos; + int slcb = listcmd_busy; + + pos = curwin->w_cursor; + listcmd_busy = TRUE; /* avoid that '' is changed */ + if (findsent(c == ')' ? FORWARD : BACKWARD, 1L)) + { + pos_copy = curwin->w_cursor; + posp = &pos_copy; + } + curwin->w_cursor = pos; + listcmd_busy = slcb; + } +#ifdef FEAT_VISUAL + else if (c == '<' || c == '>') /* start/end of visual area */ + { + startp = &curbuf->b_visual_start; + endp = &curbuf->b_visual_end; + if ((c == '<') == lt(*startp, *endp)) + posp = startp; + else + posp = endp; + /* + * For Visual line mode, set mark at begin or end of line + */ + if (curbuf->b_visual_mode == 'V') + { + pos_copy = *posp; + posp = &pos_copy; + if (c == '<') + pos_copy.col = 0; + else + pos_copy.col = MAXCOL; +#ifdef FEAT_VIRTUALEDIT + pos_copy.coladd = 0; +#endif + } + } +#endif + else if (ASCII_ISLOWER(c)) /* normal named mark */ + { + posp = &(curbuf->b_namedm[c - 'a']); + } + else if (ASCII_ISUPPER(c) || VIM_ISDIGIT(c)) /* named file mark */ + { + if (VIM_ISDIGIT(c)) + c = c - '0' + NMARKS; + else + c -= 'A'; + posp = &(namedfm[c].fmark.mark); + + if (namedfm[c].fmark.fnum == 0) + fname2fnum(&namedfm[c]); + if (namedfm[c].fmark.fnum != curbuf->b_fnum) + { + posp = &pos_copy; + + /* mark is in another file */ + if (namedfm[c].fmark.mark.lnum != 0 + && changefile && namedfm[c].fmark.fnum) + { + if (buflist_getfile(namedfm[c].fmark.fnum, + (linenr_T)1, GETF_SETMARK, FALSE) == OK) + { + /* Set the lnum now, autocommands could have changed it */ + curwin->w_cursor = namedfm[c].fmark.mark; + return (pos_T *)-1; + } + pos_copy.lnum = -1; /* can't get file */ + } + else + pos_copy.lnum = 0; /* mark exists, but is not valid in + current buffer */ + } + } + + return posp; +} + +/* + * Search for the next named mark in the current file. + * + * Returns pointer to pos_T of the next mark or NULL if no mark is found. + */ + pos_T * +getnextmark(startpos, dir, begin_line) + pos_T *startpos; /* where to start */ + int dir; /* direction for search */ + int begin_line; +{ + int i; + pos_T *result = NULL; + pos_T pos; + + pos = *startpos; + + /* When searching backward and leaving the cursor on the first non-blank, + * position must be in a previous line. + * When searching forward and leaving the cursor on the first non-blank, + * position must be in a next line. */ + if (dir == BACKWARD && begin_line) + pos.col = 0; + else if (dir == FORWARD && begin_line) + pos.col = MAXCOL; + + for (i = 0; i < NMARKS; i++) + { + if (curbuf->b_namedm[i].lnum > 0) + { + if (dir == FORWARD) + { + if ((result == NULL || lt(curbuf->b_namedm[i], *result)) + && lt(pos, curbuf->b_namedm[i])) + result = &curbuf->b_namedm[i]; + } + else + { + if ((result == NULL || lt(*result, curbuf->b_namedm[i])) + && lt(curbuf->b_namedm[i], pos)) + result = &curbuf->b_namedm[i]; + } + } + } + + return result; +} + +/* + * For an xtended filemark: set the fnum from the fname. + * This is used for marks obtained from the .viminfo file. It's postponed + * until the mark is used to avoid a long startup delay. + */ + static void +fname2fnum(fm) + xfmark_T *fm; +{ + char_u *p; + + if (fm->fname != NULL) + { + /* + * First expand "~/" in the file name to the home directory. + * Try to shorten the file name. + */ + expand_env(fm->fname, NameBuff, MAXPATHL); + mch_dirname(IObuff, IOSIZE); + p = shorten_fname(NameBuff, IObuff); + + /* buflist_new() will call fmarks_check_names() */ + (void)buflist_new(NameBuff, p, (linenr_T)1, 0); + } +} + +/* + * Check all file marks for a name that matches the file name in buf. + * May replace the name with an fnum. + * Used for marks that come from the .viminfo file. + */ + void +fmarks_check_names(buf) + buf_T *buf; +{ + char_u *name; + int i; +#ifdef FEAT_JUMPLIST + win_T *wp; +#endif + + if (buf->b_ffname == NULL) + return; + + name = home_replace_save(buf, buf->b_ffname); + if (name == NULL) + return; + + for (i = 0; i < NMARKS + EXTRA_MARKS; ++i) + fmarks_check_one(&namedfm[i], name, buf); + +#ifdef FEAT_JUMPLIST + FOR_ALL_WINDOWS(wp) + { + for (i = 0; i < wp->w_jumplistlen; ++i) + fmarks_check_one(&wp->w_jumplist[i], name, buf); + } +#endif + + vim_free(name); +} + + static void +fmarks_check_one(fm, name, buf) + xfmark_T *fm; + char_u *name; + buf_T *buf; +{ + if (fm->fmark.fnum == 0 + && fm->fname != NULL + && fnamecmp(name, fm->fname) == 0) + { + fm->fmark.fnum = buf->b_fnum; + vim_free(fm->fname); + fm->fname = NULL; + } +} + +/* + * Check a if a position from a mark is valid. + * Give and error message and return FAIL if not. + */ + int +check_mark(pos) + pos_T *pos; +{ + if (pos == NULL) + { + EMSG(_(e_umark)); + return FAIL; + } + if (pos->lnum <= 0) + { + /* lnum is negative if mark is in another file can can't get that + * file, error message already give then. */ + if (pos->lnum == 0) + EMSG(_(e_marknotset)); + return FAIL; + } + if (pos->lnum > curbuf->b_ml.ml_line_count) + { + EMSG(_(e_markinval)); + return FAIL; + } + return OK; +} + +/* + * clrallmarks() - clear all marks in the buffer 'buf' + * + * Used mainly when trashing the entire buffer during ":e" type commands + */ + void +clrallmarks(buf) + buf_T *buf; +{ + static int i = -1; + + if (i == -1) /* first call ever: initialize */ + for (i = 0; i < NMARKS + 1; i++) + { + namedfm[i].fmark.mark.lnum = 0; + namedfm[i].fname = NULL; + } + + for (i = 0; i < NMARKS; i++) + buf->b_namedm[i].lnum = 0; + buf->b_op_start.lnum = 0; /* start/end op mark cleared */ + buf->b_op_end.lnum = 0; + buf->b_last_cursor.lnum = 1; /* '" mark cleared */ + buf->b_last_cursor.col = 0; +#ifdef FEAT_VIRTUALEDIT + buf->b_last_cursor.coladd = 0; +#endif + buf->b_last_insert.lnum = 0; /* '^ mark cleared */ + buf->b_last_change.lnum = 0; /* '. mark cleared */ +#ifdef FEAT_JUMPLIST + buf->b_changelistlen = 0; +#endif +} + +/* + * Get name of file from a filemark. + * When it's in the current buffer, return the text at the mark. + * Returns an allocated string. + */ + char_u * +fm_getname(fmark, lead_len) + fmark_T *fmark; + int lead_len; +{ + if (fmark->fnum == curbuf->b_fnum) /* current buffer */ + return mark_line(&(fmark->mark), lead_len); + return buflist_nr2name(fmark->fnum, FALSE, TRUE); +} + +/* + * Return the line at mark "mp". Truncate to fit in window. + * The returned string has been allocated. + */ + static char_u * +mark_line(mp, lead_len) + pos_T *mp; + int lead_len; +{ + char_u *s, *p; + int len; + + if (mp->lnum == 0 || mp->lnum > curbuf->b_ml.ml_line_count) + return vim_strsave((char_u *)"-invalid-"); + s = vim_strnsave(skipwhite(ml_get(mp->lnum)), (int)Columns); + if (s == NULL) + return NULL; + /* Truncate the line to fit it in the window */ + len = 0; + for (p = s; *p != NUL; ++p) + { + len += ptr2cells(p); + if (len >= Columns - lead_len) + break; +#ifdef FEAT_MBYTE + if (has_mbyte) + p += (*mb_ptr2len_check)(p) - 1; +#endif + } + *p = NUL; + return s; +} + +/* + * print the marks + */ + void +do_marks(eap) + exarg_T *eap; +{ + char_u *arg = eap->arg; + int i; + char_u *name; + + if (arg != NULL && *arg == NUL) + arg = NULL; + + show_one_mark('\'', arg, &curwin->w_pcmark, NULL, TRUE); + for (i = 0; i < NMARKS; ++i) + show_one_mark(i + 'a', arg, &curbuf->b_namedm[i], NULL, TRUE); + for (i = 0; i < NMARKS + EXTRA_MARKS; ++i) + { + if (namedfm[i].fmark.fnum != 0) + name = fm_getname(&namedfm[i].fmark, 15); + else + name = namedfm[i].fname; + if (name != NULL) + { + show_one_mark(i >= NMARKS ? i - NMARKS + '0' : i + 'A', + arg, &namedfm[i].fmark.mark, name, + namedfm[i].fmark.fnum == curbuf->b_fnum); + if (namedfm[i].fmark.fnum != 0) + vim_free(name); + } + } + show_one_mark('"', arg, &curbuf->b_last_cursor, NULL, TRUE); + show_one_mark('[', arg, &curbuf->b_op_start, NULL, TRUE); + show_one_mark(']', arg, &curbuf->b_op_end, NULL, TRUE); + show_one_mark('^', arg, &curbuf->b_last_insert, NULL, TRUE); + show_one_mark('.', arg, &curbuf->b_last_change, NULL, TRUE); +#ifdef FEAT_VISUAL + show_one_mark('<', arg, &curbuf->b_visual_start, NULL, TRUE); + show_one_mark('>', arg, &curbuf->b_visual_end, NULL, TRUE); +#endif + show_one_mark(-1, arg, NULL, NULL, FALSE); +} + + static void +show_one_mark(c, arg, p, name, current) + int c; + char_u *arg; + pos_T *p; + char_u *name; + int current; /* in current file */ +{ + static int did_title = FALSE; + int mustfree = FALSE; + + if (c == -1) /* finish up */ + { + if (did_title) + did_title = FALSE; + else + { + if (arg == NULL) + MSG(_("No marks set")); + else + EMSG2(_("E283: No marks matching \"%s\""), arg); + } + } + /* don't output anything if 'q' typed at --more-- prompt */ + else if (!got_int + && (arg == NULL || vim_strchr(arg, c) != NULL) + && p->lnum != 0) + { + if (!did_title) + { + /* Highlight title */ + MSG_PUTS_TITLE(_("\nmark line col file/text")); + did_title = TRUE; + } + msg_putchar('\n'); + if (!got_int) + { + sprintf((char *)IObuff, " %c %6ld %4d ", c, p->lnum, p->col); + msg_outtrans(IObuff); + if (name == NULL && current) + { + name = mark_line(p, 15); + mustfree = TRUE; + } + if (name != NULL) + { + msg_outtrans_attr(name, current ? hl_attr(HLF_D) : 0); + if (mustfree) + vim_free(name); + } + } + out_flush(); /* show one line at a time */ + } +} + +#if defined(FEAT_JUMPLIST) || defined(PROTO) +/* + * print the jumplist + */ +/*ARGSUSED*/ + void +ex_jumps(eap) + exarg_T *eap; +{ + int i; + char_u *name; + + cleanup_jumplist(); + /* Highlight title */ + MSG_PUTS_TITLE(_("\n jump line col file/text")); + for (i = 0; i < curwin->w_jumplistlen && !got_int; ++i) + { + if (curwin->w_jumplist[i].fmark.mark.lnum != 0) + { + if (curwin->w_jumplist[i].fmark.fnum == 0) + fname2fnum(&curwin->w_jumplist[i]); + name = fm_getname(&curwin->w_jumplist[i].fmark, 16); + if (name == NULL) /* file name not available */ + continue; + + msg_putchar('\n'); + if (got_int) + break; + sprintf((char *)IObuff, "%c %2d %5ld %4d ", + i == curwin->w_jumplistidx ? '>' : ' ', + i > curwin->w_jumplistidx ? i - curwin->w_jumplistidx + : curwin->w_jumplistidx - i, + curwin->w_jumplist[i].fmark.mark.lnum, + curwin->w_jumplist[i].fmark.mark.col); + msg_outtrans(IObuff); + msg_outtrans_attr(name, + curwin->w_jumplist[i].fmark.fnum == curbuf->b_fnum + ? hl_attr(HLF_D) : 0); + vim_free(name); + ui_breakcheck(); + } + out_flush(); + } + if (curwin->w_jumplistidx == curwin->w_jumplistlen) + MSG_PUTS("\n>"); +} + +/* + * print the changelist + */ +/*ARGSUSED*/ + void +ex_changes(eap) + exarg_T *eap; +{ + int i; + char_u *name; + + /* Highlight title */ + MSG_PUTS_TITLE(_("\nchange line col text")); + + for (i = 0; i < curbuf->b_changelistlen && !got_int; ++i) + { + if (curbuf->b_changelist[i].lnum != 0) + { + msg_putchar('\n'); + if (got_int) + break; + sprintf((char *)IObuff, "%c %3d %5ld %4d ", + i == curwin->w_changelistidx ? '>' : ' ', + i > curwin->w_changelistidx ? i - curwin->w_changelistidx + : curwin->w_changelistidx - i, + (long)curbuf->b_changelist[i].lnum, + curbuf->b_changelist[i].col); + msg_outtrans(IObuff); + name = mark_line(&curbuf->b_changelist[i], 17); + if (name == NULL) + break; + msg_outtrans_attr(name, hl_attr(HLF_D)); + vim_free(name); + ui_breakcheck(); + } + out_flush(); + } + if (curwin->w_changelistidx == curbuf->b_changelistlen) + MSG_PUTS("\n>"); +} +#endif + +#define one_adjust(add) \ + { \ + lp = add; \ + if (*lp >= line1 && *lp <= line2) \ + { \ + if (amount == MAXLNUM) \ + *lp = 0; \ + else \ + *lp += amount; \ + } \ + else if (amount_after && *lp > line2) \ + *lp += amount_after; \ + } + +/* don't delete the line, just put at first deleted line */ +#define one_adjust_nodel(add) \ + { \ + lp = add; \ + if (*lp >= line1 && *lp <= line2) \ + { \ + if (amount == MAXLNUM) \ + *lp = line1; \ + else \ + *lp += amount; \ + } \ + else if (amount_after && *lp > line2) \ + *lp += amount_after; \ + } + +/* + * Adjust marks between line1 and line2 (inclusive) to move 'amount' lines. + * Must be called before changed_*(), appended_lines() or deleted_lines(). + * May be called before or after changing the text. + * When deleting lines line1 to line2, use an 'amount' of MAXLNUM: The marks + * within this range are made invalid. + * If 'amount_after' is non-zero adjust marks after line2. + * Example: Delete lines 34 and 35: mark_adjust(34, 35, MAXLNUM, -2); + * Example: Insert two lines below 55: mark_adjust(56, MAXLNUM, 2, 0); + * or: mark_adjust(56, 55, MAXLNUM, 2); + */ + void +mark_adjust(line1, line2, amount, amount_after) + linenr_T line1; + linenr_T line2; + long amount; + long amount_after; +{ + int i; + int fnum = curbuf->b_fnum; + linenr_T *lp; + win_T *win; + + if (line2 < line1 && amount_after == 0L) /* nothing to do */ + return; + + if (!cmdmod.lockmarks) + { + /* named marks, lower case and upper case */ + for (i = 0; i < NMARKS; i++) + { + one_adjust(&(curbuf->b_namedm[i].lnum)); + if (namedfm[i].fmark.fnum == fnum) + one_adjust_nodel(&(namedfm[i].fmark.mark.lnum)); + } + for (i = NMARKS; i < NMARKS + EXTRA_MARKS; i++) + { + if (namedfm[i].fmark.fnum == fnum) + one_adjust_nodel(&(namedfm[i].fmark.mark.lnum)); + } + + /* last Insert position */ + one_adjust(&(curbuf->b_last_insert.lnum)); + + /* last change position */ + one_adjust(&(curbuf->b_last_change.lnum)); + +#ifdef FEAT_JUMPLIST + /* list of change positions */ + for (i = 0; i < curbuf->b_changelistlen; ++i) + one_adjust_nodel(&(curbuf->b_changelist[i].lnum)); +#endif + +#ifdef FEAT_VISUAL + /* Visual area */ + one_adjust_nodel(&(curbuf->b_visual_start.lnum)); + one_adjust_nodel(&(curbuf->b_visual_end.lnum)); +#endif + +#ifdef FEAT_QUICKFIX + /* quickfix marks */ + qf_mark_adjust(line1, line2, amount, amount_after); +#endif + +#ifdef FEAT_SIGNS + sign_mark_adjust(line1, line2, amount, amount_after); +#endif + } + + /* previous context mark */ + one_adjust(&(curwin->w_pcmark.lnum)); + + /* previous pcmark */ + one_adjust(&(curwin->w_prev_pcmark.lnum)); + + /* saved cursor for formatting */ + if (saved_cursor.lnum != 0) + one_adjust_nodel(&(saved_cursor.lnum)); + + /* + * Adjust items in all windows related to the current buffer. + */ + FOR_ALL_WINDOWS(win) + { +#ifdef FEAT_JUMPLIST + if (!cmdmod.lockmarks) + /* Marks in the jumplist. When deleting lines, this may create + * duplicate marks in the jumplist, they will be removed later. */ + for (i = 0; i < win->w_jumplistlen; ++i) + if (win->w_jumplist[i].fmark.fnum == fnum) + one_adjust_nodel(&(win->w_jumplist[i].fmark.mark.lnum)); +#endif + + if (win->w_buffer == curbuf) + { + if (!cmdmod.lockmarks) + /* marks in the tag stack */ + for (i = 0; i < win->w_tagstacklen; i++) + if (win->w_tagstack[i].fmark.fnum == fnum) + one_adjust_nodel(&(win->w_tagstack[i].fmark.mark.lnum)); + +#ifdef FEAT_VISUAL + /* the displayed Visual area */ + if (win->w_old_cursor_lnum != 0) + { + one_adjust_nodel(&(win->w_old_cursor_lnum)); + one_adjust_nodel(&(win->w_old_visual_lnum)); + } +#endif + + /* topline and cursor position for windows with the same buffer + * other than the current window */ + if (win != curwin) + { + if (win->w_topline >= line1 && win->w_topline <= line2) + { + if (amount == MAXLNUM) /* topline is deleted */ + { + if (line1 <= 1) + win->w_topline = 1; + else + win->w_topline = line1 - 1; + } + else /* keep topline on the same line */ + win->w_topline += amount; +#ifdef FEAT_DIFF + win->w_topfill = 0; +#endif + } + else if (amount_after && win->w_topline > line2) + { + win->w_topline += amount_after; +#ifdef FEAT_DIFF + win->w_topfill = 0; +#endif + } + if (win->w_cursor.lnum >= line1 && win->w_cursor.lnum <= line2) + { + if (amount == MAXLNUM) /* line with cursor is deleted */ + { + if (line1 <= 1) + win->w_cursor.lnum = 1; + else + win->w_cursor.lnum = line1 - 1; + win->w_cursor.col = 0; + } + else /* keep cursor on the same line */ + win->w_cursor.lnum += amount; + } + else if (amount_after && win->w_cursor.lnum > line2) + win->w_cursor.lnum += amount_after; + } + +#ifdef FEAT_FOLDING + /* adjust folds */ + foldMarkAdjust(win, line1, line2, amount, amount_after); +#endif + } + } + +#ifdef FEAT_DIFF + /* adjust diffs */ + diff_mark_adjust(line1, line2, amount, amount_after); +#endif +} + +/* This code is used often, needs to be fast. */ +#define col_adjust(pp) \ + { \ + posp = pp; \ + if (posp->lnum == lnum && posp->col >= mincol) \ + { \ + posp->lnum += lnum_amount; \ + if (col_amount < 0 && posp->col <= (colnr_T)-col_amount) \ + posp->col = 0; \ + else \ + posp->col += col_amount; \ + } \ + } + +/* + * Adjust marks in line "lnum" at column "mincol" and further: add + * "lnum_amount" to the line number and add "col_amount" to the column + * position. + */ + void +mark_col_adjust(lnum, mincol, lnum_amount, col_amount) + linenr_T lnum; + colnr_T mincol; + long lnum_amount; + long col_amount; +{ + int i; + int fnum = curbuf->b_fnum; + win_T *win; + pos_T *posp; + + if ((col_amount == 0L && lnum_amount == 0L) || cmdmod.lockmarks) + return; /* nothing to do */ + + /* named marks, lower case and upper case */ + for (i = 0; i < NMARKS; i++) + { + col_adjust(&(curbuf->b_namedm[i])); + if (namedfm[i].fmark.fnum == fnum) + col_adjust(&(namedfm[i].fmark.mark)); + } + for (i = NMARKS; i < NMARKS + EXTRA_MARKS; i++) + { + if (namedfm[i].fmark.fnum == fnum) + col_adjust(&(namedfm[i].fmark.mark)); + } + + /* last Insert position */ + col_adjust(&(curbuf->b_last_insert)); + + /* last change position */ + col_adjust(&(curbuf->b_last_change)); + +#ifdef FEAT_JUMPLIST + /* list of change positions */ + for (i = 0; i < curbuf->b_changelistlen; ++i) + col_adjust(&(curbuf->b_changelist[i])); +#endif + +#ifdef FEAT_VISUAL + /* Visual area */ + col_adjust(&(curbuf->b_visual_start)); + col_adjust(&(curbuf->b_visual_end)); +#endif + + /* previous context mark */ + col_adjust(&(curwin->w_pcmark)); + + /* previous pcmark */ + col_adjust(&(curwin->w_prev_pcmark)); + + /* saved cursor for formatting */ + col_adjust(&saved_cursor); + + /* + * Adjust items in all windows related to the current buffer. + */ + FOR_ALL_WINDOWS(win) + { +#ifdef FEAT_JUMPLIST + /* marks in the jumplist */ + for (i = 0; i < win->w_jumplistlen; ++i) + if (win->w_jumplist[i].fmark.fnum == fnum) + col_adjust(&(win->w_jumplist[i].fmark.mark)); +#endif + + if (win->w_buffer == curbuf) + { + /* marks in the tag stack */ + for (i = 0; i < win->w_tagstacklen; i++) + if (win->w_tagstack[i].fmark.fnum == fnum) + col_adjust(&(win->w_tagstack[i].fmark.mark)); + + /* cursor position for other windows with the same buffer */ + if (win != curwin) + col_adjust(&win->w_cursor); + } + } +} + +#ifdef FEAT_JUMPLIST +/* + * When deleting lines, this may create duplicate marks in the + * jumplist. They will be removed here for the current window. + */ + static void +cleanup_jumplist() +{ + int i; + int from, to; + + to = 0; + for (from = 0; from < curwin->w_jumplistlen; ++from) + { + if (curwin->w_jumplistidx == from) + curwin->w_jumplistidx = to; + for (i = from + 1; i < curwin->w_jumplistlen; ++i) + if (curwin->w_jumplist[i].fmark.fnum + == curwin->w_jumplist[from].fmark.fnum + && curwin->w_jumplist[from].fmark.fnum != 0 + && curwin->w_jumplist[i].fmark.mark.lnum + == curwin->w_jumplist[from].fmark.mark.lnum) + break; + if (i >= curwin->w_jumplistlen) /* no duplicate */ + curwin->w_jumplist[to++] = curwin->w_jumplist[from]; + else + vim_free(curwin->w_jumplist[from].fname); + } + if (curwin->w_jumplistidx == curwin->w_jumplistlen) + curwin->w_jumplistidx = to; + curwin->w_jumplistlen = to; +} + +# if defined(FEAT_WINDOWS) || defined(PROTO) +/* + * Copy the jumplist from window "from" to window "to". + */ + void +copy_jumplist(from, to) + win_T *from; + win_T *to; +{ + int i; + + for (i = 0; i < from->w_jumplistlen; ++i) + { + to->w_jumplist[i] = from->w_jumplist[i]; + if (from->w_jumplist[i].fname != NULL) + to->w_jumplist[i].fname = vim_strsave(from->w_jumplist[i].fname); + } + to->w_jumplistlen = from->w_jumplistlen; + to->w_jumplistidx = from->w_jumplistidx; +} + +/* + * Free items in the jumplist of window "wp". + */ + void +free_jumplist(wp) + win_T *wp; +{ + int i; + + for (i = 0; i < wp->w_jumplistlen; ++i) + vim_free(wp->w_jumplist[i].fname); +} +# endif +#endif /* FEAT_JUMPLIST */ + + void +set_last_cursor(win) + win_T *win; +{ + win->w_buffer->b_last_cursor = win->w_cursor; +} + +#if defined(FEAT_VIMINFO) || defined(PROTO) + int +read_viminfo_filemark(virp, force) + vir_T *virp; + int force; +{ + char_u *str; + xfmark_T *fm; + int i; + + /* We only get here if line[0] == '\'' or '-'. + * Illegal mark names are ignored (for future expansion). */ + str = virp->vir_line + 1; + if ( +#ifndef EBCDIC + *str <= 127 && +#endif + ((*virp->vir_line == '\'' && (VIM_ISDIGIT(*str) || isupper(*str))) + || (*virp->vir_line == '-' && *str == '\''))) + { + if (*str == '\'') + { +#ifdef FEAT_JUMPLIST + /* If the jumplist isn't full insert fmark as oldest entry */ + if (curwin->w_jumplistlen == JUMPLISTSIZE) + fm = NULL; + else + { + for (i = curwin->w_jumplistlen; i > 0; --i) + curwin->w_jumplist[i] = curwin->w_jumplist[i - 1]; + ++curwin->w_jumplistidx; + ++curwin->w_jumplistlen; + fm = &curwin->w_jumplist[0]; + fm->fmark.mark.lnum = 0; + fm->fname = NULL; + } +#else + fm = NULL; +#endif + } + else if (VIM_ISDIGIT(*str)) + fm = &namedfm[*str - '0' + NMARKS]; + else + fm = &namedfm[*str - 'A']; + if (fm != NULL && (fm->fmark.mark.lnum == 0 || force)) + { + str = skipwhite(str + 1); + fm->fmark.mark.lnum = getdigits(&str); + str = skipwhite(str); + fm->fmark.mark.col = getdigits(&str); +#ifdef FEAT_VIRTUALEDIT + fm->fmark.mark.coladd = 0; +#endif + fm->fmark.fnum = 0; + str = skipwhite(str); + vim_free(fm->fname); + fm->fname = viminfo_readstring(virp, (int)(str - virp->vir_line), + FALSE); + } + } + return vim_fgets(virp->vir_line, LSIZE, virp->vir_fd); +} + + void +write_viminfo_filemarks(fp) + FILE *fp; +{ + int i; + char_u *name; + buf_T *buf; + xfmark_T *fm; + + if (get_viminfo_parameter('f') == 0) + return; + + fprintf(fp, _("\n# File marks:\n")); + + /* + * Find a mark that is the same file and position as the cursor. + * That one, or else the last one is deleted. + * Move '0 to '1, '1 to '2, etc. until the matching one or '9 + * Set '0 mark to current cursor position. + */ + if (curbuf->b_ffname != NULL && !removable(curbuf->b_ffname)) + { + name = buflist_nr2name(curbuf->b_fnum, TRUE, FALSE); + for (i = NMARKS; i < NMARKS + EXTRA_MARKS - 1; ++i) + if (namedfm[i].fmark.mark.lnum == curwin->w_cursor.lnum + && (namedfm[i].fname == NULL + ? namedfm[i].fmark.fnum == curbuf->b_fnum + : (name != NULL + && STRCMP(name, namedfm[i].fname) == 0))) + break; + vim_free(name); + + vim_free(namedfm[i].fname); + for ( ; i > NMARKS; --i) + namedfm[i] = namedfm[i - 1]; + namedfm[NMARKS].fmark.mark = curwin->w_cursor; + namedfm[NMARKS].fmark.fnum = curbuf->b_fnum; + namedfm[NMARKS].fname = NULL; + } + + /* Write the filemarks '0 - '9 and 'A - 'Z */ + for (i = 0; i < NMARKS + EXTRA_MARKS; i++) + write_one_filemark(fp, &namedfm[i], '\'', + i < NMARKS ? i + 'A' : i - NMARKS + '0'); + +#ifdef FEAT_JUMPLIST + /* Write the jumplist with -' */ + fprintf(fp, _("\n# Jumplist (newest first):\n")); + setpcmark(); /* add current cursor position */ + cleanup_jumplist(); + for (fm = &curwin->w_jumplist[curwin->w_jumplistlen - 1]; + fm >= &curwin->w_jumplist[0]; --fm) + { + if (fm->fmark.fnum == 0 + || ((buf = buflist_findnr(fm->fmark.fnum)) != NULL + && !removable(buf->b_ffname))) + write_one_filemark(fp, fm, '-', '\''); + } +#endif +} + + static void +write_one_filemark(fp, fm, c1, c2) + FILE *fp; + xfmark_T *fm; + int c1; + int c2; +{ + char_u *name; + + if (fm->fmark.mark.lnum == 0) /* not set */ + return; + + if (fm->fmark.fnum != 0) /* there is a buffer */ + name = buflist_nr2name(fm->fmark.fnum, TRUE, FALSE); + else + name = fm->fname; /* use name from .viminfo */ + if (name != NULL && *name != NUL) + { + fprintf(fp, "%c%c %ld %ld ", c1, c2, (long)fm->fmark.mark.lnum, + (long)fm->fmark.mark.col); + viminfo_writestring(fp, name); + } + + if (fm->fmark.fnum != 0) + vim_free(name); +} + +/* + * Return TRUE if "name" is on removable media (depending on 'viminfo'). + */ + int +removable(name) + char_u *name; +{ + char_u *p; + char_u part[51]; + int retval = FALSE; + + name = home_replace_save(NULL, name); + if (name != NULL) + { + for (p = p_viminfo; *p; ) + { + copy_option_part(&p, part, 51, ", "); + if (part[0] == 'r' + && MB_STRNICMP(part + 1, name, STRLEN(part + 1)) == 0) + { + retval = TRUE; + break; + } + } + vim_free(name); + } + return retval; +} + +static void write_one_mark __ARGS((FILE *fp_out, int c, pos_T *pos)); + +/* + * Write all the named marks for all buffers. + * Return the number of buffers for which marks have been written. + */ + int +write_viminfo_marks(fp_out) + FILE *fp_out; +{ + int count; + buf_T *buf; + int is_mark_set; + int i; +#ifdef FEAT_WINDOWS + win_T *win; + + /* + * Set b_last_cursor for the all buffers that have a window. + */ + for (win = firstwin; win != NULL; win = win->w_next) + set_last_cursor(win); +#else + set_last_cursor(curwin); +#endif + + fprintf(fp_out, _("\n# History of marks within files (newest to oldest):\n")); + count = 0; + for (buf = firstbuf; buf != NULL; buf = buf->b_next) + { + /* + * Only write something if buffer has been loaded and at least one + * mark is set. + */ + if (buf->b_marks_read) + { + if (buf->b_last_cursor.lnum != 0) + is_mark_set = TRUE; + else + { + is_mark_set = FALSE; + for (i = 0; i < NMARKS; i++) + if (buf->b_namedm[i].lnum != 0) + { + is_mark_set = TRUE; + break; + } + } + if (is_mark_set && buf->b_ffname != NULL + && buf->b_ffname[0] != NUL && !removable(buf->b_ffname)) + { + home_replace(NULL, buf->b_ffname, IObuff, IOSIZE, TRUE); + fprintf(fp_out, "\n> "); + viminfo_writestring(fp_out, IObuff); + write_one_mark(fp_out, '"', &buf->b_last_cursor); + write_one_mark(fp_out, '^', &buf->b_last_insert); + write_one_mark(fp_out, '.', &buf->b_last_change); +#ifdef FEAT_JUMPLIST + /* changelist positions are stored oldest first */ + for (i = 0; i < buf->b_changelistlen; ++i) + write_one_mark(fp_out, '+', &buf->b_changelist[i]); +#endif + for (i = 0; i < NMARKS; i++) + write_one_mark(fp_out, 'a' + i, &buf->b_namedm[i]); + count++; + } + } + } + + return count; +} + + static void +write_one_mark(fp_out, c, pos) + FILE *fp_out; + int c; + pos_T *pos; +{ + if (pos->lnum != 0) + fprintf(fp_out, "\t%c\t%ld\t%d\n", c, (long)pos->lnum, (int)pos->col); +} + +/* + * Handle marks in the viminfo file: + * fp_out == NULL read marks for current buffer only + * fp_out != NULL copy marks for buffers not in buffer list + */ + void +copy_viminfo_marks(virp, fp_out, count, eof) + vir_T *virp; + FILE *fp_out; + int count; + int eof; +{ + char_u *line = virp->vir_line; + buf_T *buf; + int num_marked_files; + int load_marks; + int copy_marks_out; + char_u *str; + int i; + char_u *p; + char_u *name_buf; + pos_T pos; + + if ((name_buf = alloc(LSIZE)) == NULL) + return; + *name_buf = NUL; + num_marked_files = get_viminfo_parameter('\''); + while (!eof && (count < num_marked_files || fp_out == NULL)) + { + if (line[0] != '>') + { + if (line[0] != '\n' && line[0] != '\r' && line[0] != '#') + { + if (viminfo_error("E576: ", _("Missing '>'"), line)) + break; /* too many errors, return now */ + } + eof = vim_fgets(line, LSIZE, virp->vir_fd); + continue; /* Skip this dud line */ + } + + /* + * Handle long line and translate escaped characters. + * Find file name, set str to start. + * Ignore leading and trailing white space. + */ + str = skipwhite(line + 1); + str = viminfo_readstring(virp, (int)(str - virp->vir_line), FALSE); + if (str == NULL) + continue; + p = str + STRLEN(str); + while (p != str && (*p == NUL || vim_isspace(*p))) + p--; + if (*p) + p++; + *p = NUL; + + /* + * If fp_out == NULL, load marks for current buffer. + * If fp_out != NULL, copy marks for buffers not in buflist. + */ + load_marks = copy_marks_out = FALSE; + if (fp_out == NULL) + { + if (curbuf->b_ffname != NULL) + { + if (*name_buf == NUL) /* only need to do this once */ + home_replace(NULL, curbuf->b_ffname, name_buf, LSIZE, TRUE); + if (fnamecmp(str, name_buf) == 0) + load_marks = TRUE; + } + } + else /* fp_out != NULL */ + { + /* This is slow if there are many buffers!! */ + for (buf = firstbuf; buf != NULL; buf = buf->b_next) + if (buf->b_ffname != NULL) + { + home_replace(NULL, buf->b_ffname, name_buf, LSIZE, TRUE); + if (fnamecmp(str, name_buf) == 0) + break; + } + + /* + * copy marks if the buffer has not been loaded + */ + if (buf == NULL || !buf->b_marks_read) + { + copy_marks_out = TRUE; + fputs("\n> ", fp_out); + viminfo_writestring(fp_out, str); + count++; + } + } + vim_free(str); + +#ifdef FEAT_VIRTUALEDIT + pos.coladd = 0; +#endif + while (!(eof = viminfo_readline(virp)) && line[0] == TAB) + { + if (load_marks) + { + if (line[1] != NUL) + { + sscanf((char *)line + 2, "%ld %u", &pos.lnum, &pos.col); + switch (line[1]) + { + case '"': curbuf->b_last_cursor = pos; break; + case '^': curbuf->b_last_insert = pos; break; + case '.': curbuf->b_last_change = pos; break; + case '+': +#ifdef FEAT_JUMPLIST + /* changelist positions are stored oldest + * first */ + if (curbuf->b_changelistlen == JUMPLISTSIZE) + /* list is full, remove oldest entry */ + mch_memmove(curbuf->b_changelist, + curbuf->b_changelist + 1, + sizeof(pos_T) * (JUMPLISTSIZE - 1)); + else + ++curbuf->b_changelistlen; + curbuf->b_changelist[ + curbuf->b_changelistlen - 1] = pos; +#endif + break; + default: if ((i = line[1] - 'a') >= 0 && i < NMARKS) + curbuf->b_namedm[i] = pos; + } + } + } + else if (copy_marks_out) + fputs((char *)line, fp_out); + } + if (load_marks) + { +#ifdef FEAT_JUMPLIST + win_T *wp; + + FOR_ALL_WINDOWS(wp) + { + if (wp->w_buffer == curbuf) + wp->w_changelistidx = curbuf->b_changelistlen; + } +#endif + break; + } + } + vim_free(name_buf); +} +#endif /* FEAT_VIMINFO */ |