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-rw-r--r--Build/source/texk/kpathsea/fontmap.c201
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diff --git a/Build/source/texk/kpathsea/fontmap.c b/Build/source/texk/kpathsea/fontmap.c
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+/* fontmap.c: read files for additional font names.
+
+ Copyright 1993, 1994, 1995, 1996, 1997, 2008, 2011-2013 Karl Berry.
+ Copyright 2001, 2002, 2005 Olaf Weber.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this library; if not, see <http://www.gnu.org/licenses/>. */
+
+#include <kpathsea/config.h>
+
+#include <kpathsea/c-ctype.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>
+#include <kpathsea/tex-file.h>
+
+/* We have one and only one fontmap, so may as well make it static
+ instead of passing it around. */
+
+#ifndef MAP_NAME
+#define MAP_NAME "texfonts.map"
+#endif
+#ifndef MAP_HASH_SIZE
+#define MAP_HASH_SIZE 4001
+#endif
+
+
+/* Return next whitespace-delimited token in STR or NULL if none. */
+
+static string
+token (const_string str)
+{
+ unsigned len;
+ const_string start;
+ string ret;
+
+ while (*str && ISSPACE (*str))
+ str++;
+
+ start = str;
+ while (*str && !ISSPACE (*str))
+ str++;
+
+ len = str - start;
+ ret = (string)xmalloc (len + 1);
+ strncpy (ret, start, len);
+ ret[len] = 0;
+
+ 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. Perhaps someday the programs
+ will both read the same file. */
+
+static void
+map_file_parse (kpathsea kpse, const_string map_filename)
+{
+ char *orig_l;
+ unsigned map_lineno = 0;
+ FILE *f = xfopen (map_filename, FOPEN_R_MODE);
+
+ if (kpse->record_input)
+ kpse->record_input (map_filename);
+
+ while ((orig_l = read_line (f)) != NULL) {
+ string filename;
+ string l = orig_l; /* save for free() */
+ string comment_loc = strrchr (l, '%');
+ if (!comment_loc) {
+ comment_loc = strstr (l, "@c");
+ }
+
+ /* Ignore anything after a % or @c. */
+ if (comment_loc)
+ *comment_loc = 0;
+
+ map_lineno++;
+
+ /* Skip leading whitespace so we can use strlen below. Can't use
+ strtok since this routine is recursive. */
+ while (*l && ISSPACE (*l))
+ l++;
+
+ /* If we don't have any filename, that's ok, the line is blank. */
+ filename = token (l);
+ if (filename) {
+ string alias = token (l + strlen (filename));
+
+ if (STREQ (filename, "include")) {
+ if (alias == NULL) {
+ WARNING2 ("kpathsea: %s:%u: Filename argument for include directive missing",
+ map_filename, map_lineno);
+ } else {
+ string include_fname = kpathsea_path_search (kpse,
+ kpse->map_path, alias, false);
+ if (include_fname) {
+ map_file_parse (kpse, include_fname);
+ if (include_fname != alias)
+ free (include_fname);
+ } else {
+ WARNING3 ("kpathsea: %s:%u: Can't find fontname include file `%s'",
+ map_filename, map_lineno, alias);
+ }
+ free (alias);
+ free (filename);
+ }
+
+ /* But if we have a filename and no alias, something's wrong. */
+ } else if (alias == NULL) {
+ WARNING3 ("kpathsea: %s:%u: Fontname alias missing for filename `%s'",
+ map_filename, map_lineno, filename);
+ free (filename);
+
+ } else {
+ /* We've got everything. Insert the new entry. They were
+ already dynamically allocated by token(), so don't bother
+ with xstrdup. */
+ hash_insert_normalized (&(kpse->map), alias, filename);
+ }
+ }
+
+ free (orig_l);
+ }
+
+ xfclose (f, map_filename);
+}
+
+/* Parse the file MAP_NAME in each of the directories in PATH and
+ return the resulting structure. Entries in earlier files override
+ later files. */
+
+static void
+read_all_maps (kpathsea kpse)
+{
+ string *filenames;
+
+ kpse->map_path = kpathsea_init_format (kpse, kpse_fontmap_format);
+ filenames = kpathsea_all_path_search (kpse, kpse->map_path, MAP_NAME);
+
+ kpse->map = hash_create (MAP_HASH_SIZE);
+
+ while (*filenames) {
+ map_file_parse (kpse, *filenames);
+ filenames++;
+ }
+}
+
+/* Look up KEY in texfonts.map's; if it's not found, remove any suffix
+ from KEY and try again. Create the map if necessary. */
+
+const_string *
+kpathsea_fontmap_lookup (kpathsea kpse, const_string key)
+{
+ const_string *ret;
+ const_string suffix = find_suffix (key);
+
+ if (kpse->map.size == 0) {
+ read_all_maps (kpse);
+ }
+
+ ret = hash_lookup (kpse->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 (kpse->map, base_key);
+ free (base_key);
+ }
+ }
+
+ /* Append any original suffix. */
+ if (ret && suffix) {
+ const_string *elt;
+ for (elt = ret; *elt; elt++) {
+ *elt = extend_filename (*elt, suffix);
+ }
+ }
+
+ return ret;
+}