home *** CD-ROM | disk | FTP | other *** search
- /* fontmap.c: read a file for additional font names.
-
- Copyright (C) 1993, 94 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include <kpathsea/config.h>
-
- #include <kpathsea/c-fopen.h>
- #include <kpathsea/fontmap.h>
- #include <kpathsea/hash.h>
- #include <kpathsea/line.h>
- #include <kpathsea/pathsearch.h>
- #include <kpathsea/str-list.h>
-
-
- /* Look up KEY in MAP; if it's not found, remove any suffix from KEY and
- try again. */
-
- string *
- map_lookup P2C(hash_table_type, map, const_string, key)
- {
- string suffix = find_suffix (key);
- string *ret = hash_lookup (map, key);
-
- if (!ret)
- {
- /* OK, the original KEY didn't work. Let's check for the KEY without
- an extension -- perhaps they gave foobar.tfm, but the mapping only
- defines `foobar'. */
- if (suffix)
- {
- string base_key = remove_suffix (key);
-
- ret = hash_lookup (map, base_key);
-
- free (base_key);
- }
- }
-
- /* Append the original suffix, if we had one. */
- if (ret && suffix)
- while (*ret)
- {
- *ret = extend_filename (*ret, suffix);
- ret++;
- }
-
- return ret;
- }
-
- /* Open and read the mapping file MAP_FILENAME, putting its entries into
- MAP. Comments begin with % and continue to the end of the line. Each
- line of the file defines an entry: the first word is the real
- filename (e.g., `ptmr'), the second word is the alias (e.g.,
- `Times-Roman'), and any subsequent words are ignored. .tfm is added
- if either the filename or the alias have no extension. This is the
- same order as in Dvips' psfonts.map; unfortunately, we can't have TeX
- read that same file, since most of the real filenames start with an
- `r', because of the virtual fonts Dvips uses. */
-
- static void
- map_file_parse P2C(hash_table_type *, map, const_string, map_filename)
- {
- extern FILE *xfopen (); /* In xfopen.c. */
- char *l;
- unsigned map_lineno = 0;
- FILE *f = xfopen (map_filename, FOPEN_R_MODE);
-
- while ((l = read_line (f)) != NULL)
- {
- string filename;
- string comment_loc = strchr (l, '%');
-
- map_lineno++;
-
- /* Ignore anything after a %. */
- if (comment_loc)
- *comment_loc = 0;
-
- /* If we don't have any filename, that's ok, the line is blank. */
- filename = strtok (l, " \t");
- if (filename)
- {
- string alias = strtok (NULL, " \t");
-
- /* But if we have a filename and no alias, something's wrong. */
- if (alias == NULL || *alias == 0)
- fprintf (stderr, "%s:%u: Alias missing for filename `%s'.\n",
- map_filename, map_lineno, filename);
- else
- { /* We've got everything. Insert the new entry. */
- hash_insert (map, xstrdup (alias), xstrdup (filename));
- }
- }
-
- free (l);
- }
-
- xfclose (f, map_filename);
- }
-
- /* Search for all the MAP_NAME's in PATH. */
-
- #define MAP_NAME "texfonts.map"
-
- hash_table_type
- map_create P1C(const_string, path)
- {
- string *filenames = kpse_all_path_search (path, MAP_NAME);
- hash_table_type map; /* some old compilers ... */
- map = hash_create (751);
-
- while (*filenames)
- {
- map_file_parse (&map, *filenames);
- filenames++;
- }
-
- return map;
- }
-