mark.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:24k
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.
- */
- /*
- * 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_names[n] 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 struct filemark namedfm[NMARKS + EXTRA_MARKS]; /* marks with file nr */
- static char_u *namedfm_names[NMARKS + EXTRA_MARKS]; /* name for namedfm[] */
- static void show_one_mark __ARGS((int, char_u *, FPOS *, char_u *));
- static void cleanup_jumplist __ARGS((void));
- /*
- * setmark(c) - set named mark 'c' at current cursor position
- *
- * Returns OK on success, FAIL if no room for mark or bad name given.
- */
- int
- setmark(c)
- int c;
- {
- int i;
- if (c == ''' || c == '`')
- {
- setpcmark();
- /* keep it even when the cursor doesn't move */
- curwin->w_prev_pcmark = curwin->w_pcmark;
- return OK;
- }
- if (c > 'z') /* some islower() and isupper() cannot handle
- characters above 127 */
- return FAIL;
- if (islower(c))
- {
- i = c - 'a';
- curbuf->b_namedm[i] = curwin->w_cursor;
- return OK;
- }
- if (isupper(c))
- {
- i = c - 'A';
- namedfm[i].mark = curwin->w_cursor;
- namedfm[i].fnum = curbuf->b_fnum;
- return OK;
- }
- return FAIL;
- }
- /*
- * setpcmark() - set the previous context mark to the current position
- * and add it to the jump list
- */
- void
- setpcmark()
- {
- int i;
- #ifdef ROTATE
- struct filemark tempmark;
- #endif
- /* for :global the mark is set only once */
- if (global_busy)
- return;
- curwin->w_prev_pcmark = curwin->w_pcmark;
- curwin->w_pcmark = curwin->w_cursor;
- #ifdef 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;
- for (i = 1; i < JUMPLISTSIZE; ++i)
- curwin->w_jumplist[i - 1] = curwin->w_jumplist[i];
- }
- curwin->w_jumplistidx = curwin->w_jumplistlen - 1;
- #ifdef ARCHIE
- /* Workaround for a bug in gcc 2.4.5 R2 on the Archimedes
- * Should be fixed in 2.5.x.
- */
- curwin->w_jumplist[curwin->w_jumplistidx].mark.ptr = curwin->w_pcmark.ptr;
- curwin->w_jumplist[curwin->w_jumplistidx].mark.col = curwin->w_pcmark.col;
- #else
- curwin->w_jumplist[curwin->w_jumplistidx].mark = curwin->w_pcmark;
- #endif
- curwin->w_jumplist[curwin->w_jumplistidx].fnum = curbuf->b_fnum;
- ++curwin->w_jumplistidx;
- }
- /*
- * checkpcmark() - 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. -- webb.
- * If pcmark was deleted (with "dG") the previous mark is
- * restored.
- */
- void
- checkpcmark()
- {
- if (curwin->w_prev_pcmark.lnum != 0
- && (equal(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 */
- }
- }
- /*
- * move "count" positions in the jump list (count may be negative)
- */
- FPOS *
- movemark(count)
- int count;
- {
- FPOS *pos;
- cleanup_jumplist();
- if (curwin->w_jumplistlen == 0) /* nothing to jump to */
- return (FPOS *)NULL;
- if (curwin->w_jumplistidx + count < 0 ||
- curwin->w_jumplistidx + count >= curwin->w_jumplistlen)
- return (FPOS *)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 (FPOS *)NULL;
- }
- curwin->w_jumplistidx += count;
- /* jump to other file */
- if (curwin->w_jumplist[curwin->w_jumplistidx].fnum != curbuf->b_fnum)
- {
- if (buflist_getfile(curwin->w_jumplist[curwin->w_jumplistidx].fnum,
- curwin->w_jumplist[curwin->w_jumplistidx].mark.lnum,
- 0, FALSE) == FAIL)
- return (FPOS *)NULL;
- curwin->w_cursor.col =
- curwin->w_jumplist[curwin->w_jumplistidx].mark.col;
- pos = (FPOS *)-1;
- }
- else
- pos = &(curwin->w_jumplist[curwin->w_jumplistidx].mark);
- return pos;
- }
- /*
- * getmark(c) - find mark for char 'c'
- *
- * Return pointer to FPOS if found (caller needs to check lnum!)
- * NULL if there is no mark called 'c'.
- * -1 if mark is in other file (only if changefile is TRUE)
- */
- FPOS *
- getmark(c, changefile)
- int c;
- int changefile; /* allowed to edit another file */
- {
- FPOS *posp;
- FPOS *startp, *endp;
- static FPOS pos_copy;
- char_u *p;
- posp = NULL;
- if (c > '~') /* check for islower()/isupper() */
- ;
- else 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 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 == '>') /* 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;
- }
- }
- else if (islower(c)) /* normal named mark */
- posp = &(curbuf->b_namedm[c - 'a']);
- else if (isupper(c) || vim_isdigit(c)) /* named file mark */
- {
- if (vim_isdigit(c))
- c = c - '0' + NMARKS;
- else
- c -= 'A';
- posp = &(namedfm[c].mark);
- if (namedfm[c].fnum == 0 && namedfm_names[c] != NULL)
- {
- /*
- * First expand "~/" in the file name to the home directory.
- * Try to shorten the file name.
- */
- expand_env(namedfm_names[c], 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, FALSE);
- }
- if (namedfm[c].fnum != curbuf->b_fnum) /* mark is in other file */
- {
- if (namedfm[c].mark.lnum != 0 && changefile && namedfm[c].fnum)
- {
- if (buflist_getfile(namedfm[c].fnum,
- namedfm[c].mark.lnum, GETF_SETMARK, FALSE) == OK)
- {
- curwin->w_cursor.col = namedfm[c].mark.col;
- return (FPOS *)-1;
- }
- }
- posp = &pos_copy; /* mark exists, but is not valid in
- current buffer */
- pos_copy.lnum = 0;
- }
- }
- return posp;
- }
- /*
- * Check all file marks for a name that matches the file name in buf.
- * May replace the name with an fnum.
- */
- void
- fmarks_check_names(buf)
- BUF *buf;
- {
- char_u *name;
- int i;
- 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)
- {
- if (namedfm[i].fnum == 0 && namedfm_names[i] != NULL &&
- fnamecmp(name, namedfm_names[i]) == 0)
- {
- namedfm[i].fnum = buf->b_fnum;
- vim_free(namedfm_names[i]);
- namedfm_names[i] = NULL;
- }
- }
- vim_free(name);
- }
- /*
- * Check a if a position from a mark is valid.
- * Give and error message and return FAIL if not.
- */
- int
- check_mark(pos)
- FPOS *pos;
- {
- if (pos == NULL)
- {
- emsg(e_umark);
- return FAIL;
- }
- 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 *buf;
- {
- static int i = -1;
- if (i == -1) /* first call ever: initialize */
- for (i = 0; i < NMARKS + 1; i++)
- {
- namedfm[i].mark.lnum = 0;
- namedfm_names[i] = 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;
- }
- /*
- * Get name of file from a filemark.
- * Returns an allocated string.
- */
- char_u *
- fm_getname(fmark)
- struct filemark *fmark;
- {
- if (fmark->fnum != curbuf->b_fnum) /* not current file */
- return buflist_nr2name(fmark->fnum, FALSE, TRUE);
- return vim_strsave((char_u *)"-current-");
- }
- /*
- * print the marks
- */
- void
- do_marks(arg)
- char_u *arg;
- {
- int i;
- char_u *name;
- if (arg != NULL && *arg == NUL)
- arg = NULL;
- show_one_mark(''', arg, &curwin->w_pcmark, NULL);
- for (i = 0; i < NMARKS; ++i)
- show_one_mark(i + 'a', arg, &curbuf->b_namedm[i], NULL);
- for (i = 0; i < NMARKS + EXTRA_MARKS; ++i)
- {
- name = namedfm[i].fnum ? fm_getname(&namedfm[i]) : namedfm_names[i];
- if (name != NULL)
- {
- show_one_mark(i >= NMARKS ? i - NMARKS + '0' : i + 'A',
- arg, &namedfm[i].mark, name);
- if (namedfm[i].fnum)
- vim_free(name);
- }
- }
- show_one_mark('"', arg, &curbuf->b_last_cursor, NULL);
- show_one_mark('[', arg, &curbuf->b_op_start, NULL);
- show_one_mark(']', arg, &curbuf->b_op_end, NULL);
- show_one_mark('<', arg, &curbuf->b_visual_start, NULL);
- show_one_mark('>', arg, &curbuf->b_visual_end, NULL);
- show_one_mark(-1, arg, NULL, NULL);
- }
- static void
- show_one_mark(c, arg, p, name)
- int c;
- char_u *arg;
- FPOS *p;
- char_u *name;
- {
- static int did_title = FALSE;
- if (c == -1) /* finish up */
- {
- if (did_title)
- did_title = FALSE;
- else
- {
- if (arg == NULL)
- MSG("No marks set");
- else
- EMSG2("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");
- did_title = TRUE;
- }
- msg_putchar('n');
- if (!got_int)
- {
- sprintf((char *)IObuff, " %c %5ld %3d ", c, p->lnum, p->col);
- if (name != NULL)
- STRCAT(IObuff, name);
- msg_outtrans(IObuff);
- }
- out_flush(); /* show one line at a time */
- }
- }
- /*
- * print the jumplist
- */
- void
- do_jumps()
- {
- int i;
- char_u *name;
- cleanup_jumplist();
- /* Highlight title */
- MSG_PUTS_TITLE("n jump line file");
- for (i = 0; i < curwin->w_jumplistlen; ++i)
- {
- if (curwin->w_jumplist[i].mark.lnum != 0)
- {
- name = fm_getname(&curwin->w_jumplist[i]);
- if (name == NULL) /* file name not available */
- continue;
- msg_putchar('n');
- sprintf((char *)IObuff, "%c %2d %5ld %s",
- i == curwin->w_jumplistidx ? '>' : ' ',
- i > curwin->w_jumplistidx ? i - curwin->w_jumplistidx
- : curwin->w_jumplistidx - i,
- curwin->w_jumplist[i].mark.lnum,
- name);
- msg_outtrans(IObuff);
- vim_free(name);
- }
- out_flush();
- }
- if (curwin->w_jumplistidx == curwin->w_jumplistlen)
- MSG_PUTS("n>");
- }
- /*
- * adjust marks between line1 and line2 (inclusive) to move 'amount' lines
- * If 'amount' is MAXLNUM the mark is made invalid.
- * If 'amount_after' is non-zero adjust marks after line 2.
- */
- #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;
- }
- 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 *win;
- if (line2 < line1 && amount_after == 0L) /* nothing to do */
- return;
- /* named marks, lower case and upper case */
- for (i = 0; i < NMARKS; i++)
- {
- one_adjust(&(curbuf->b_namedm[i].lnum));
- if (namedfm[i].fnum == fnum)
- one_adjust(&(namedfm[i].mark.lnum));
- }
- for (i = NMARKS; i < NMARKS + EXTRA_MARKS; i++)
- {
- if (namedfm[i].fnum == fnum)
- one_adjust(&(namedfm[i].mark.lnum));
- }
- /* previous context mark */
- one_adjust(&(curwin->w_pcmark.lnum));
- /* previous pcmark */
- one_adjust(&(curwin->w_prev_pcmark.lnum));
- /* Visual area */
- one_adjust_nodel(&(curbuf->b_visual_start.lnum));
- one_adjust_nodel(&(curbuf->b_visual_end.lnum));
- /* marks in the tag stack */
- for (win = firstwin; win != NULL; win = win->w_next)
- if (win->w_buffer == curbuf)
- 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 QUICKFIX
- /* quickfix marks */
- qf_mark_adjust(line1, line2, amount, amount_after);
- #endif
- /* jumplist marks */
- for (win = firstwin; win != NULL; win = win->w_next)
- {
- /*
- * 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].fnum == fnum)
- one_adjust_nodel(&(win->w_jumplist[i].mark.lnum));
- /*
- * also adjust the line at the top of the window and the cursor
- * position for windows with the same buffer.
- */
- if (win != curwin && win->w_buffer == curbuf)
- {
- 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;
- }
- else if (amount_after && win->w_topline > line2)
- win->w_topline += amount_after;
- 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;
- }
- }
- }
- /*
- * 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].fnum == curwin->w_jumplist[from].fnum &&
- curwin->w_jumplist[i].mark.lnum ==
- curwin->w_jumplist[from].mark.lnum)
- break;
- if (i >= curwin->w_jumplistlen) /* no duplicate */
- curwin->w_jumplist[to++] = curwin->w_jumplist[from];
- }
- if (curwin->w_jumplistidx == curwin->w_jumplistlen)
- curwin->w_jumplistidx = to;
- curwin->w_jumplistlen = to;
- }
- void
- set_last_cursor(win)
- WIN *win;
- {
- win->w_buffer->b_last_cursor = win->w_cursor;
- }
- #ifdef VIMINFO
- int
- read_viminfo_filemark(line, fp, force)
- char_u *line;
- FILE *fp;
- int force;
- {
- int idx;
- char_u *str;
- /* We only get here (hopefully) if line[0] == ''' */
- str = line + 1;
- if (*str > 127 || (!isdigit(*str) && !isupper(*str)))
- {
- if (viminfo_error("Illegal file mark name", line))
- return TRUE; /* Too many errors, pretend end-of-file */
- }
- else
- {
- if (isdigit(*str))
- idx = *str - '0' + NMARKS;
- else
- idx = *str - 'A';
- if (namedfm[idx].mark.lnum == 0 || force)
- {
- str = skipwhite(str + 1);
- namedfm[idx].mark.lnum = getdigits(&str);
- str = skipwhite(str);
- namedfm[idx].mark.col = getdigits(&str);
- str = skipwhite(str);
- viminfo_readstring(line);
- namedfm_names[idx] = vim_strsave(str);
- }
- }
- return vim_fgets(line, LSIZE, fp);
- }
- void
- write_viminfo_filemarks(fp)
- FILE *fp;
- {
- int i;
- char_u *name;
- if (get_viminfo_parameter(''') == 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].mark.lnum == curwin->w_cursor.lnum
- && (namedfm_names[i] == NULL
- ? namedfm[i].fnum == curbuf->b_fnum
- : (name != NULL
- && STRCMP(name, namedfm_names[i]) == 0)))
- break;
- vim_free(name);
- vim_free(namedfm_names[i]);
- for ( ; i > NMARKS; --i)
- {
- namedfm[i] = namedfm[i - 1];
- namedfm_names[i] = namedfm_names[i - 1];
- }
- namedfm[NMARKS].mark = curwin->w_cursor;
- namedfm[NMARKS].fnum = curbuf->b_fnum;
- namedfm_names[NMARKS] = NULL;
- }
- for (i = 0; i < NMARKS + EXTRA_MARKS; i++)
- {
- if (namedfm[i].mark.lnum == 0) /* not set */
- continue;
- if (namedfm[i].fnum) /* there is a buffer */
- name = buflist_nr2name(namedfm[i].fnum, TRUE, FALSE);
- else
- name = namedfm_names[i]; /* use name from .viminfo */
- if (name == NULL)
- continue;
- fprintf(fp, "'%c %ld %ld %sn",
- i < NMARKS ? i + 'A' : i - NMARKS + '0',
- (long)namedfm[i].mark.lnum,
- (long)namedfm[i].mark.col,
- name);
- if (namedfm[i].fnum)
- 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'
- && STRNICMP(part + 1, name, STRLEN(part + 1)) == 0)
- {
- retval = TRUE;
- break;
- }
- }
- vim_free(name);
- }
- return retval;
- }
- /*
- * 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 *buf;
- WIN *win;
- int is_mark_set;
- int i;
- /*
- * 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);
- 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> %sn", (char *)IObuff);
- if (buf->b_last_cursor.lnum != 0)
- fprintf(fp_out, "t"t%ldt%dn",
- buf->b_last_cursor.lnum, buf->b_last_cursor.col);
- for (i = 0; i < NMARKS; i++)
- if (buf->b_namedm[i].lnum != 0)
- fprintf(fp_out, "t%ct%ldt%dn", 'a' + i,
- buf->b_namedm[i].lnum, buf->b_namedm[i].col);
- count++;
- }
- }
- }
- return count;
- }
- /*
- * 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(line, fp_in, fp_out, count, eof)
- char_u *line;
- FILE *fp_in;
- FILE *fp_out;
- int count;
- int eof;
- {
- BUF *buf;
- int num_marked_files;
- char_u save_char;
- int load_marks;
- int copy_marks_out;
- char_u *str;
- int i;
- char_u *p;
- char_u *name_buf;
- long lnum;
- int col;
- if ((name_buf = alloc(LSIZE)) == NULL)
- return;
- 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("Missing '>'", line))
- break; /* too many errors, return now */
- }
- eof = vim_fgets(line, LSIZE, fp_in);
- continue; /* Skip this dud line */
- }
- /*
- * Find file name, set str to start.
- * Ignore leading and trailing white space.
- */
- str = skipwhite(line + 1);
- p = str + STRLEN(str);
- while (p != str && (*p == NUL || vim_isspace(*p)))
- p--;
- if (*p)
- p++;
- save_char = *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)
- {
- 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;
- *p = save_char;
- fputs("n", fp_out);
- fputs((char *)line, fp_out);
- count++;
- }
- }
- while (!(eof = vim_fgets(line, LSIZE, fp_in)) && line[0] == TAB)
- {
- if (load_marks)
- {
- if (line[1] != NUL)
- sscanf((char *)line + 2, "%ld %d", &lnum, &col);
- if (line[1] == '"')
- {
- curbuf->b_last_cursor.lnum = lnum;
- curbuf->b_last_cursor.col = col;
- }
- else if ((i = line[1] - 'a') >= 0 && i < NMARKS)
- {
- curbuf->b_namedm[i].lnum = lnum;
- curbuf->b_namedm[i].col = col;
- }
- }
- else if (copy_marks_out)
- fputs((char *)line, fp_out);
- }
- if (load_marks)
- break;
- }
- vim_free(name_buf);
- }
- #endif /* VIMINFO */