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--- /dev/null 2015-01-31 21:35:05.000000000 +0900
+++ texk/xdvik/ptexmap.c 2015-01-31 21:02:18.000000000 +0900
@@ -0,0 +1,254 @@
+#include "xdvi-config.h"
+#include "xdvi.h"
+#include "ptexmap.h"
+#include "util.h"
+#include "kpathsea/tex-file.h"
+#ifdef PTEX
+#include "ft2.h"
+#include <ctype.h>
+
+#define NUM(a) ((int)(sizeof(a)/sizeof(*(a))))
+
+static int dictionaries_num = 0;
+static int dictionaries_max = 0;
+static struct dictionary {
+ char *key, *word;
+} *dictionaries = NULL;
+
+static struct dictionary *get_dictionary(char *key)
+{
+ int i;
+
+ if (key == NULL) return NULL;
+ for (i=0; i<dictionaries_num; i++) {
+ if (strcmp(key, dictionaries[i].key) == 0) {
+ return &dictionaries[i];
+ }
+ }
+ return NULL;
+}
+
+void add_replace_dictionary(char *key, char *word)
+{
+ struct dictionary *d;
+
+ d = get_dictionary(key);
+ if (d == NULL) {
+ if (dictionaries_num == dictionaries_max) {
+ if (dictionaries_max == 0) dictionaries_max = 16;
+ else dictionaries_max *= 2;
+ dictionaries = xrealloc(dictionaries,
+ sizeof(dictionaries[0]) * dictionaries_max);
+ }
+ d = &dictionaries[dictionaries_num++];
+ d->key = xstrdup(key);
+ } else {
+ XDVI_WARNING((stderr, "Duplication of replace entry '%s' was found. "
+ "Overwrites '%s' with '%s'.\n", key, d->word, word));
+ free(d->word);
+ }
+
+ d->word = xstrdup(word);
+}
+
+static char *replace_string(char *key)
+{
+ struct dictionary *d = get_dictionary(key);
+ if (d == NULL) return key;
+ return d->word;
+}
+
+
+static int ptexmaps_num = 0;
+static int ptexmaps_max = 0;
+static struct ptexmap *ptexmaps = NULL;
+
+struct ptexmap *getkanjifont(const char *jfm_name)
+{
+ int i;
+
+ for (i=0; i<ptexmaps_num; i++) {
+ if (strcmp(jfm_name, ptexmaps[i].jfm_name) == 0) {
+ return &ptexmaps[i];
+ }
+ }
+ return NULL;
+}
+
+static struct ptexmap *add_fontmap2(char *jfm, char *font, int encoding,
+ char *map_filename, char *enc)
+{
+ struct ptexmap *map;
+
+ map = getkanjifont(jfm);
+ if (map == NULL) {
+ if (ptexmaps_num == ptexmaps_max) {
+ if (ptexmaps_max == 0) ptexmaps_max = 8;
+ else ptexmaps_max *= 2;
+ ptexmaps = xrealloc(ptexmaps, sizeof(ptexmaps[0]) * ptexmaps_max);
+ }
+ map = &ptexmaps[ptexmaps_num++];
+ map->jfm_name = xstrdup(jfm);
+ } else {
+ XDVI_WARNING((stderr, "A ptexmap entry for '%s' in \"%s\" duplicates "
+ "a former entry in \"%s\". Overwrites.\n",
+ jfm, map_filename, map->map_filename));
+ free(map->font_filename);
+ }
+
+ map->face_index = 0;
+ map->ft2_index = -1;
+ if (sscanf(font, ":%d:", &map->face_index) == 1) {
+ font = strchr(font+1, ':') + 1;
+ }
+
+ font = replace_string(font);
+ if (strlen(font) >6 && strstr(font + (strlen(font) - 5), "/AJ16") != NULL) {
+ if (strcmp(enc, "Identity-H") == 0) {
+ encoding = ENC_AJ16_H;
+ if (globals.debug & DBG_PTEXFNT)
+ fprintf(stderr, "The encoding is replaced by \"AJ16-H\" .\n");
+ }
+ else if (strcmp(enc, "Identity-V") == 0) {
+ encoding = ENC_AJ16_V;
+ if (globals.debug & DBG_PTEXFNT)
+ fprintf(stderr, "The encoding is replaced by \"AJ16-V\" .\n");
+ }
+ map->font_filename = xstrndup(font, strlen(font) - 5);
+ } else {
+ map->font_filename = xstrdup(font);
+ }
+ map->encoding = encoding;
+ map->extend = 1.0;
+ map->slant = 0.0;
+ map->variant = 0;
+ map->map_filename = map_filename;
+ return map;
+}
+
+int str2encoding(char *enc_name) {
+ int i;
+ static struct {
+ char *enc_name;
+ int encoding;
+ } encodes[] = {
+ { "JIS-H", ENC_JIS_H },
+ { "JIS-V", ENC_JIS_V },
+ { "Unicode-H", ENC_UNICODE_H },
+ { "Unicode-V", ENC_UNICODE_V },
+ { "Unicode-V", ENC_UNICODE_V },
+ { "AJ16-H", ENC_AJ16_H },
+ { "AJ16-V", ENC_AJ16_V },
+ { "Identity-H", ENC_IDENTITY },
+ { "Identity-V", ENC_IDENTITY },
+ /* caution: Identity-H = Identity-V */
+ };
+
+ if (enc_name == NULL) return ENC_UNKNOWN;
+ for (i=0; i<NUM(encodes); i++) {
+ if (strcmp(enc_name, encodes[i].enc_name) == 0) {
+ return encodes[i].encoding;
+ }
+ }
+ return ENC_UNKNOWN;
+}
+
+static int add_fontmap(char *line, char *map_filename)
+{
+ struct ptexmap *map;
+ char *s, *jfm, *font, *enc;
+ int encoding = 0;
+ float *ptr = NULL;
+
+ jfm = strtok(line, " \t");
+ enc = replace_string(strtok(NULL, " \t"));
+ font = strtok(NULL, " \t,!");
+
+ if (jfm == NULL) return true; /* empty line */
+
+ if (font == NULL) {
+ XDVI_WARNING((stderr, "A font name for \"%s\" is empty.\n",
+ jfm));
+ return true;
+ }
+
+ if (strlen(font) >6 && strstr(font + (strlen(font) - 5), "/AJ16") != NULL) {
+ if (strcmp(enc, "Identity-H") == 0) enc = "AJ16-H";
+ else if (strcmp(enc, "Identity-V") == 0) enc = "AJ16-V";
+ font[strlen(font) - 5] = '\0';
+ }
+ encoding = str2encoding(enc);
+
+ if (encoding == ENC_UNKNOWN) {
+ XDVI_WARNING((stderr, "Unknown encode \"%s\" for \"%s\".\n",
+ enc, jfm));
+ return true;
+ }
+
+ if (globals.debug & DBG_PTEXFNT) {
+ fprintf(stderr, "JFM name is \"%s\".\n", jfm);
+ fprintf(stderr, "Font filename is \"%s\".\n", font);
+ fprintf(stderr, "Font is %s encode (#%d).\n", enc, encoding);
+ }
+
+ map = add_fontmap2(jfm, font, encoding, map_filename, enc);
+
+ while ((s=strtok(NULL, " \t,\r\n")) != NULL) {
+ if (strcmp(s, "-e") == 0) ptr = &map->extend;
+ else if (strcmp(s, "-s") == 0) ptr = &map->slant;
+ else if (strcmp(s, "Bold") == 0) map->variant |= VAR_BOLD;
+ else if (strcmp(s, "Italic") == 0) map->variant |= VAR_ITALIC;
+ else if (strcmp(s, "BoldItalic") == 0) {
+ map->variant |= VAR_BOLD | VAR_ITALIC;
+ } else if ((isdigit(*s) || *s == '.' || *s == '-') && ptr != NULL) {
+ *ptr = atof(s);
+ } else return false;
+ }
+ return true;
+}
+
+
+char *get_ptexmap_name(char *filename)
+{
+ char *s = NULL;
+ FILE *fp;
+
+ if ((fp=fopen(filename, "r")) != NULL) {
+ fclose(fp);
+ s = xstrdup(filename);
+ }
+ if (s == NULL) s = kpse_find_file(filename, kpse_fontmap_format, true);
+ return s;
+}
+
+
+void read_ptexmap_file(char *filename)
+{
+ FILE *fp;
+ char *s;
+ char line[BUFSIZ], line_orig[BUFSIZ];
+
+ filename = get_ptexmap_name(filename);
+ /* 'filename' will stored in ptexmap structure,
+ so we can't free(filename) in this function. */
+ if ((fp = fopen(filename, "r")) == NULL) {
+ XDVI_WARNING((stderr, "Warning: Can't open \"%s\"\n", filename));
+ return;
+ }
+ if (globals.debug & DBG_FILES) {
+ TRACE_FILES((stderr, "read_ptexmap_file for |%s|", filename));
+ }
+
+ while (fgets(line, BUFSIZ, fp) != NULL) {
+ if ((s=strchr(line,'\n')) != NULL) *s = '\0'; /* break \n */
+ strcpy(line_orig, line);
+ if ((s=strchr(line,'%')) != NULL) *s = '\0'; /* break comment */
+ if ((s=strchr(line,'#')) != NULL) *s = '\0'; /* break comment */
+
+ if (!add_fontmap(line, filename)) {
+ XDVI_WARNING((stderr, "'%s', Unknown option.\n", line_orig));
+ }
+ }
+ fclose(fp);
+}
+#endif /* PTEX */
|
