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dpx-fontmap.c
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dpx-fontmap.c
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/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
Copyright (C) 2002-2017 by Jin-Hwan Cho and Shunsaku Hirata,
the dvipdfmx project team.
Copyright (C) 1998, 1999 by Mark A. Wicks <[email protected]>
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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "dpx-fontmap.h"
#include "core-bridge.h"
#include "dpx-dpxfile.h"
#include "dpx-dpxutil.h"
#include "dpx-error.h"
#include "dpx-mem.h"
#include "dpx-mfileio.h"
#include "dpx-subfont.h"
/* CIDFont */
static char *strip_options (const char *map_name, fontmap_opt *opt);
static int verbose = 0;
void
pdf_fontmap_set_verbose (int level)
{
verbose = level;
}
void
pdf_init_fontmap_record (fontmap_rec *mrec)
{
assert(mrec);
mrec->map_name = NULL;
/* SFD char mapping */
mrec->charmap.sfd_name = NULL;
mrec->charmap.subfont_id = NULL;
/* for OFM */
mrec->opt.mapc = -1; /* compatibility */
mrec->font_name = NULL;
mrec->enc_name = NULL;
mrec->opt.slant = 0.0;
mrec->opt.extend = 1.0;
mrec->opt.bold = 0.0;
mrec->opt.flags = 0;
mrec->opt.design_size = -1.0;
mrec->opt.tounicode = NULL;
mrec->opt.otl_tags = NULL;
mrec->opt.index = 0;
mrec->opt.charcoll = NULL;
mrec->opt.style = FONTMAP_STYLE_NONE;
mrec->opt.stemv = -1; /* not given explicitly by an option */
mrec->opt.cff_charsets = NULL;
}
void
pdf_clear_fontmap_record (fontmap_rec *mrec)
{
assert(mrec);
free(mrec->map_name);
free(mrec->charmap.sfd_name);
free(mrec->charmap.subfont_id);
free(mrec->enc_name);
free(mrec->font_name);
free(mrec->opt.tounicode);
free(mrec->opt.otl_tags);
free(mrec->opt.charcoll);
pdf_init_fontmap_record(mrec);
}
/* strdup: just returns NULL for NULL */
static char *
mstrdup (const char *s)
{
char *r;
if (!s)
return NULL;
r = NEW(strlen(s) + 1, char);
strcpy(r, s);
return r;
}
static void
pdf_copy_fontmap_record (fontmap_rec *dst, const fontmap_rec *src)
{
assert( dst && src );
dst->map_name = mstrdup(src->map_name);
dst->charmap.sfd_name = mstrdup(src->charmap.sfd_name);
dst->charmap.subfont_id = mstrdup(src->charmap.subfont_id);
dst->font_name = mstrdup(src->font_name);
dst->enc_name = mstrdup(src->enc_name);
dst->opt.slant = src->opt.slant;
dst->opt.extend = src->opt.extend;
dst->opt.bold = src->opt.bold;
dst->opt.flags = src->opt.flags;
dst->opt.mapc = src->opt.mapc;
dst->opt.tounicode = mstrdup(src->opt.tounicode);
dst->opt.otl_tags = mstrdup(src->opt.otl_tags);
dst->opt.index = src->opt.index;
dst->opt.charcoll = mstrdup(src->opt.charcoll);
dst->opt.style = src->opt.style;
dst->opt.stemv = src->opt.stemv;
dst->opt.cff_charsets = src->opt.cff_charsets;
}
static void
hval_free (void *vp)
{
fontmap_rec *mrec = (fontmap_rec *) vp;
pdf_clear_fontmap_record(mrec);
free(mrec);
}
static void
fill_in_defaults (fontmap_rec *mrec, const char *tex_name)
{
if (mrec->enc_name &&
(streq_ptr(mrec->enc_name, "default") ||
streq_ptr(mrec->enc_name, "none"))) {
mrec->enc_name = mfree(mrec->enc_name);
}
if (mrec->font_name &&
(streq_ptr(mrec->font_name, "default") ||
streq_ptr(mrec->font_name, "none"))) {
mrec->font_name = mfree(mrec->font_name);
}
/* We *must* fill font_name either explicitly or by default */
if (!mrec->font_name) {
mrec->font_name = NEW(strlen(tex_name)+1, char);
strcpy(mrec->font_name, tex_name);
}
mrec->map_name = NEW(strlen(tex_name)+1, char);
strcpy(mrec->map_name, tex_name);
#ifndef WITHOUT_COMPAT
/* Use "UCS" character collection for Unicode SFD
* and Identity CMap combination. For backward
* compatibility.
*/
if (mrec->charmap.sfd_name && mrec->enc_name &&
!mrec->opt.charcoll) {
if ((streq_ptr(mrec->enc_name, "Identity-H") ||
streq_ptr(mrec->enc_name, "Identity-V"))
&&
(strstr(mrec->charmap.sfd_name, "Uni") ||
strstr(mrec->charmap.sfd_name, "UBig") ||
strstr(mrec->charmap.sfd_name, "UBg") ||
strstr(mrec->charmap.sfd_name, "UGB") ||
strstr(mrec->charmap.sfd_name, "UKS") ||
strstr(mrec->charmap.sfd_name, "UJIS"))) {
mrec->opt.charcoll = NEW(strlen("UCS")+1, char);
strcpy(mrec->opt.charcoll, "UCS");
}
}
#endif /* WITHOUT_COMPAT */
return;
}
static char *
tt_readline (char *buf, int buf_len, rust_input_handle_t handle)
{
char *p, *q;
assert(buf && buf_len > 0 && handle);
p = tt_mfgets(buf, buf_len, handle);
if (!p)
return NULL;
q = strchr(p, '%'); /* we don't have quoted string */
if (q)
*q = '\0';
return p;
}
#ifndef ISBLANK
# define ISBLANK(c) ((c) == ' ' || (c) == '\t')
#endif
static void
skip_blank (const char **pp, const char *endptr)
{
const char *p = *pp;
if (!p || p >= endptr)
return;
for ( ; p < endptr && ISBLANK(*p); p++);
*pp = p;
}
static char *
parse_string_value (const char **pp, const char *endptr)
{
char *q = NULL;
const char *p = *pp;
unsigned int n;
if (!p || p >= endptr)
return NULL;
if (*p == '"')
q = parse_c_string(&p, endptr);
else {
for (n = 0; p < endptr && !isspace((unsigned char)*p); p++, n++);
if (n == 0)
return NULL;
q = NEW(n + 1, char);
memcpy(q, *pp, n); q[n] = '\0';
}
*pp = p;
return q;
}
/* no preceeding spaces allowed */
static char *
parse_integer_value (const char **pp, const char *endptr, int base)
{
char *q;
const char *p = *pp;
int has_sign = 0, has_prefix = 0, n;
assert( base == 0 || (base >= 2 && base <= 36) );
if (!p || p >= endptr)
return NULL;
if (*p == '-' || *p == '+') {
p++; has_sign = 1;
}
if ((base == 0 || base == 16) &&
p + 2 <= endptr &&
p[0] == '0' && p[1] == 'x') {
p += 2; has_prefix = 1;
}
if (base == 0) {
if (has_prefix)
base = 16;
else if (p < endptr && *p == '0')
base = 8;
else {
base = 10;
}
}
#define ISDIGIT_WB(c,b) ( \
((b) <= 10 && (c) >= '0' && (c) < '0' + (b)) || \
((b) > 10 && ( \
((c) >= '0' && (c) <= '9') || \
((c) >= 'a' && (c) < 'a' + ((b) - 10)) || \
((c) >= 'A' && (c) < 'A' + ((b) - 10)) \
) \
) \
)
for (n = 0; p < endptr && ISDIGIT_WB(*p, base); p++, n++);
if (n == 0)
return NULL;
if (has_sign)
n += 1;
if (has_prefix)
n += 2;
q = NEW(n + 1, char);
memcpy(q, *pp, n); q[n] = '\0';
*pp = p;
return q;
}
static int
fontmap_parse_mapdef_dpm (fontmap_rec *mrec,
const char *mapdef, const char *endptr)
{
const char *p = mapdef;
/*
* Parse record line in map file. First two fields (after TeX font
* name) are position specific. Arguments start at the first token
* beginning with a '-'.
*
* NOTE:
* Dvipdfm basically uses parse_ident() for parsing enc_name,
* font_name, and other string values which assumes PostScript-like
* syntax.
* skip_white() skips '\r' and '\n' but they should terminate
* fontmap line here.
*/
skip_blank(&p, endptr);
/* encoding field */
if (p < endptr && *p != '-') { /* May be NULL */
mrec->enc_name = parse_string_value(&p, endptr);
skip_blank(&p, endptr);
}
/* fontname or font filename field */
if (p < endptr && *p != '-') { /* May be NULL */
mrec->font_name = parse_string_value(&p, endptr);
skip_blank(&p, endptr);
}
if (mrec->font_name) {
char *tmp;
/* Several options are encoded in font_name for
* compatibility with dvipdfm.
*/
tmp = strip_options(mrec->font_name, &mrec->opt);
if (tmp) {
free(mrec->font_name);
mrec->font_name = tmp;
}
}
skip_blank(&p, endptr);
/* Parse any remaining arguments */
while (p + 1 < endptr &&
*p != '\r' && *p != '\n' && *p == '-') {
char *q, mopt = p[1];
int v;
p += 2; skip_blank(&p, endptr);
switch (mopt) {
case 's': /* Slant option */
q = parse_float_decimal(&p, endptr);
if (!q) {
dpx_warning("Missing a number value for 's' option.");
return -1;
}
mrec->opt.slant = atof(q);
free(q);
break;
case 'e': /* Extend option */
q = parse_float_decimal(&p, endptr);
if (!q) {
dpx_warning("Missing a number value for 'e' option.");
return -1;
}
mrec->opt.extend = atof(q);
if (mrec->opt.extend <= 0.0) {
dpx_warning("Invalid value for 'e' option: %s", q);
return -1;
}
free(q);
break;
case 'b': /* Fake-bold option */
q = parse_float_decimal(&p, endptr);
if (!q) {
dpx_warning("Missing a number value for 'b' option.");
return -1;
}
mrec->opt.bold = atof(q);
if (mrec->opt.bold <= 0.0) {
dpx_warning("Invalid value for 'b' option: %s", q);
return -1;
}
free(q);
break;
case 'r': /* Remap option; obsolete; just ignore */
break;
case 'i': /* TTC index */
q = parse_integer_value(&p, endptr, 10);
if (!q) {
dpx_warning("Missing TTC index number...");
return -1;
}
mrec->opt.index = atoi(q);
if (mrec->opt.index < 0) {
dpx_warning("Invalid TTC index number: %s", q);
return -1;
}
free(q);
break;
case 'p': /* UCS plane: just for testing */
q = parse_integer_value(&p, endptr, 0);
if (!q) {
dpx_warning("Missing a number for 'p' option.");
return -1;
}
v = strtol(q, NULL, 0);
if (v < 0 || v > 16)
dpx_warning("Invalid value for option 'p': %s", q);
else {
mrec->opt.mapc = v << 16;
}
free(q);
break;
case 'u': /* ToUnicode */
q = parse_string_value(&p, endptr);
if (q)
mrec->opt.tounicode = q;
else {
dpx_warning("Missing string value for option 'u'.");
return -1;
}
break;
case 'v': /* StemV */
q = parse_integer_value(&p, endptr, 10);
if (!q) {
dpx_warning("Missing a number for 'v' option.");
return -1;
}
mrec->opt.stemv = strtol(q, NULL, 0);
free(q);
break;
/* 2017.4.15 back again */
case 'l':
q = parse_string_value(&p, endptr);
if (q)
mrec->opt.otl_tags = q;
else {
dpx_warning("Missing string value for option 'l'.");
return -1;
}
break;
/* Omega uses both single-byte and double-byte set_char command
* even for double-byte OFMs. This confuses CMap decoder.
*/
case 'm':
/* Map single bytes char 0xab to double byte char 0xcdab */
if (p + 4 <= endptr &&
p[0] == '<' && p[3] == '>') {
p++;
q = parse_integer_value(&p, endptr, 16);
if (!q) {
dpx_warning("Invalid value for option 'm'.");
return -1;
} else if (p < endptr && *p != '>') {
dpx_warning("Invalid value for option 'm': %s", q);
free(q);
return -1;
}
v = strtol(q, NULL, 16);
mrec->opt.mapc = ((v << 8) & 0x0000ff00L);
free(q); p++;
} else if (p + 4 <= endptr &&
!memcmp(p, "sfd:", strlen("sfd:"))) {
char *r;
const char *rr;
/* SFD mapping: sfd:Big5,00 */
p += 4; skip_blank(&p, endptr);
q = parse_string_value(&p, endptr);
if (!q) {
dpx_warning("Missing value for option 'm'.");
return -1;
}
r = strchr(q, ',');
if (!r) {
dpx_warning("Invalid value for option 'm': %s", q);
free(q);
return -1;
}
*r = 0; rr = ++r; skip_blank(&rr, r + strlen(r));
if (*rr == '\0') {
dpx_warning("Invalid value for option 'm': %s,", q);
free(q);
return -1;
}
mrec->charmap.sfd_name = mstrdup(q);
mrec->charmap.subfont_id = mstrdup(rr);
free(q);
} else if (p + 4 < endptr &&
!memcmp(p, "pad:", strlen("pad:"))) {
p += 4; skip_blank(&p, endptr);
q = parse_integer_value(&p, endptr, 16);
if (!q) {
dpx_warning("Invalid value for option 'm'.");
return -1;
} else if (p < endptr && !isspace((unsigned char)*p)) {
dpx_warning("Invalid value for option 'm': %s", q);
free(q);
return -1;
}
v = strtol(q, NULL, 16);
mrec->opt.mapc = ((v << 8) & 0x0000ff00L);
free(q);
} else {
dpx_warning("Invalid value for option 'm'.");
return -1;
}
break;
case 'w': /* Writing mode (for unicode encoding) */
if (!mrec->enc_name ||
strcmp(mrec->enc_name, "unicode")) {
dpx_warning("Fontmap option 'w' meaningless for encoding other than \"unicode\".");
return -1;
}
q = parse_integer_value(&p, endptr, 10);
if (!q) {
dpx_warning("Missing wmode value...");
return -1;
}
if (atoi(q) == 1)
mrec->opt.flags |= FONTMAP_OPT_VERT;
else if (atoi(q) == 0)
mrec->opt.flags &= ~FONTMAP_OPT_VERT;
else {
dpx_warning("Invalid value for option 'w': %s", q);
}
free(q);
break;
default:
dpx_warning("Unrecognized font map option: '%c'", mopt);
return -1;
}
skip_blank(&p, endptr);
}
if (p < endptr && *p != '\r' && *p != '\n') {
dpx_warning("Invalid char in fontmap line: %c", *p);
return -1;
}
return 0;
}
/* Parse record line in map file of DVIPS/pdfTeX format. */
static int
fontmap_parse_mapdef_dps (fontmap_rec *mrec,
const char *mapdef, const char *endptr)
{
const char *p = mapdef;
char *q;
skip_blank(&p, endptr);
/* The first field (after TFM name) must be PostScript name. */
/* However, pdftex.map allows a line without PostScript name. */
if (*p != '"' && *p != '<') {
if (p < endptr) {
q = parse_string_value(&p, endptr);
free(q);
skip_blank(&p, endptr);
} else {
dpx_warning("Missing a PostScript font name.");
return -1;
}
}
if (p >= endptr) return 0;
/* Parse any remaining arguments */
while (p < endptr && *p != '\r' && *p != '\n' && (*p == '<' || *p == '"')) {
switch (*p) {
case '<': /* encoding or fontfile field */
/* If we see <[ or <<, just ignore the second char instead
of doing as directed (define encoding file, fully embed); sorry. */
if (++p < endptr && (*p == '[' || *p == '<')) p++; /*skip */
skip_blank(&p, endptr);
if ((q = parse_string_value(&p, endptr))) {
int n = strlen(q);
if (n > 4 && strstartswith(q + n - 4, ".enc"))
mrec->enc_name = q;
else
mrec->font_name = q;
}
skip_blank(&p, endptr);
break;
case '"': /* Options */
if ((q = parse_string_value(&p, endptr))) {
const char *r = q, *e = q+strlen(q);
char *s, *t;
skip_blank(&r, e);
while (r < e) {
if ((s = parse_float_decimal(&r, e))) {
skip_blank(&r, e);
if ((t = parse_string_value(&r, e))) {
if (streq_ptr(t, "SlantFont"))
mrec->opt.slant = atof(s);
else if (streq_ptr(t, "ExtendFont"))
mrec->opt.extend = atof(s);
free(t);
}
free(s);
} else if ((s = parse_string_value(&r, e))) { /* skip */
free(s);
}
skip_blank(&r, e);
}
free(q);
}
skip_blank(&p, endptr);
break;
default:
dpx_warning("Found an invalid entry: %s", p);
return -1;
}
skip_blank(&p, endptr);
}
if (p < endptr && *p != '\r' && *p != '\n') {
dpx_warning("Invalid char in fontmap line: %c", *p);
return -1;
}
return 0;
}
static struct ht_table *fontmap = NULL;
#define fontmap_invalid(m) (!(m) || !(m)->map_name || !(m)->font_name)
static char *
chop_sfd_name (const char *tex_name, char **sfd_name)
{
char *fontname;
char *p, *q;
int m, n, len;
*sfd_name = NULL;
p = strchr(tex_name, '@');
if (!p ||
p[1] == '\0' || p == tex_name) {
return NULL;
}
m = (int) (p - tex_name);
p++;
q = strchr(p, '@');
if (!q || q == p) {
return NULL;
}
n = (int) (q - p);
q++;
len = strlen(tex_name) - n;
fontname = NEW(len+1, char);
memcpy(fontname, tex_name, m);
fontname[m] = '\0';
if (*q)
strcat(fontname, q);
*sfd_name = NEW(n+1, char);
memcpy(*sfd_name, p, n);
(*sfd_name)[n] = '\0';
return fontname;
}
static char *
make_subfont_name (const char *map_name, const char *sfd_name, const char *sub_id)
{
char *tfm_name;
int n, m;
char *p, *q;
p = strchr(map_name, '@');
if (!p || p == map_name)
return NULL;
m = (int) (p - map_name);
q = strchr(p + 1, '@');
if (!q || q == p + 1)
return NULL;
n = (int) (q - p) + 1; /* including two '@' */
if (strlen(sfd_name) != n - 2 ||
memcmp(p + 1, sfd_name, n - 2))
return NULL;
tfm_name = NEW(strlen(map_name) - n + strlen(sub_id) + 1, char);
memcpy(tfm_name, map_name, m);
tfm_name[m] = '\0';
strcat(tfm_name, sub_id);
if (q[1]) /* not ending with '@' */
strcat(tfm_name, q + 1);
return tfm_name;
}
/* "foo@A@ ..." is expanded to
* fooab ... -m sfd:A,ab
* ...
* fooyz ... -m sfd:A,yz
* where 'ab' ... 'yz' is subfont IDs in SFD 'A'.
*/
int
pdf_append_fontmap_record (const char *kp, const fontmap_rec *vp)
{
fontmap_rec *mrec;
char *fnt_name, *sfd_name = NULL;
if (!kp || fontmap_invalid(vp)) {
dpx_warning("Invalid fontmap record...");
return -1;
}
if (verbose > 3)
dpx_message("fontmap>> append key=\"%s\"...", kp);
fnt_name = chop_sfd_name(kp, &sfd_name);
if (fnt_name && sfd_name) {
char *tfm_name;
char **subfont_ids;
int n = 0;
subfont_ids = sfd_get_subfont_ids(sfd_name, &n);
if (!subfont_ids)
return -1;
while (n-- > 0) {
tfm_name = make_subfont_name(kp, sfd_name, subfont_ids[n]);
if (!tfm_name)
continue;
mrec = ht_lookup_table(fontmap, tfm_name, strlen(tfm_name));
if (!mrec) {
mrec = NEW(1, fontmap_rec);
pdf_init_fontmap_record(mrec);
mrec->map_name = mstrdup(kp); /* link */
mrec->charmap.sfd_name = mstrdup(sfd_name);
mrec->charmap.subfont_id = mstrdup(subfont_ids[n]);
ht_insert_table(fontmap, tfm_name, strlen(tfm_name), mrec);
}
free(tfm_name);
}
free(fnt_name);
free(sfd_name);
}
mrec = ht_lookup_table(fontmap, kp, strlen(kp));
if (!mrec) {
mrec = NEW(1, fontmap_rec);
pdf_copy_fontmap_record(mrec, vp);
if (mrec->map_name && streq_ptr(kp, mrec->map_name)) {
mrec->map_name = mfree(mrec->map_name);
}
ht_insert_table(fontmap, kp, strlen(kp), mrec);
}
if (verbose > 3)
dpx_message("\n");
return 0;
}
int
pdf_remove_fontmap_record (const char *kp)
{
char *fnt_name, *sfd_name = NULL;
if (!kp)
return -1;
if (verbose > 3)
dpx_message("fontmap>> remove key=\"%s\"...", kp);
fnt_name = chop_sfd_name(kp, &sfd_name);
if (fnt_name && sfd_name) {
char *tfm_name;
char **subfont_ids;
int n = 0;
subfont_ids = sfd_get_subfont_ids(sfd_name, &n);
if (!subfont_ids)
return -1;
if (verbose > 3)
dpx_message("\nfontmap>> Expand @%s@:", sfd_name);
while (n-- > 0) {
tfm_name = make_subfont_name(kp, sfd_name, subfont_ids[n]);
if (!tfm_name)
continue;
if (verbose > 3)
dpx_message(" %s", tfm_name);
ht_remove_table(fontmap, tfm_name, strlen(tfm_name));
free(tfm_name);
}
free(fnt_name);
free(sfd_name);
}
ht_remove_table(fontmap, kp, strlen(kp));
if (verbose > 3)
dpx_message("\n");
return 0;
}
fontmap_rec *
pdf_insert_fontmap_record (const char *kp, const fontmap_rec *vp)
{
fontmap_rec *mrec;
char *fnt_name, *sfd_name;
if (!kp || fontmap_invalid(vp)) {
dpx_warning("Invalid fontmap record...");
return NULL;
}
if (verbose > 3)
dpx_message("fontmap>> insert key=\"%s\"...", kp);
fnt_name = chop_sfd_name(kp, &sfd_name);
if (fnt_name && sfd_name) {
char *tfm_name;
char **subfont_ids;
int n = 0;
subfont_ids = sfd_get_subfont_ids(sfd_name, &n);
if (!subfont_ids) {
dpx_warning("Could not open SFD file: %s", sfd_name);
free(fnt_name);
free(sfd_name);
return NULL;
}
if (verbose > 3)
dpx_message("\nfontmap>> Expand @%s@:", sfd_name);
while (n-- > 0) {
tfm_name = make_subfont_name(kp, sfd_name, subfont_ids[n]);
if (!tfm_name)
continue;
if (verbose > 3)
dpx_message(" %s", tfm_name);
mrec = NEW(1, fontmap_rec);
pdf_init_fontmap_record(mrec);
mrec->map_name = mstrdup(kp); /* link to this entry */
mrec->charmap.sfd_name = mstrdup(sfd_name);
mrec->charmap.subfont_id = mstrdup(subfont_ids[n]);
ht_insert_table(fontmap, tfm_name, strlen(tfm_name), mrec);
free(tfm_name);
}
free(fnt_name);
free(sfd_name);
}
mrec = NEW(1, fontmap_rec);
pdf_copy_fontmap_record(mrec, vp);
if (mrec->map_name && streq_ptr(kp, mrec->map_name)) {
mrec->map_name = mfree(mrec->map_name);
}
ht_insert_table(fontmap, kp, strlen(kp), mrec);
if (verbose > 3)
dpx_message("\n");
return mrec;
}
int
pdf_read_fontmap_line (fontmap_rec *mrec, const char *mline, int mline_len, int format)
{
int error;
char *q;
const char *p, *endptr;
assert(mrec);
p = mline;
endptr = p + mline_len;
skip_blank(&p, endptr);
if (p >= endptr)
return -1;
q = parse_string_value(&p, endptr);
if (!q)
return -1;
if (format > 0) /* DVIPDFM format */
error = fontmap_parse_mapdef_dpm(mrec, p, endptr);
else /* DVIPS/pdfTeX format */
error = fontmap_parse_mapdef_dps(mrec, p, endptr);
if (!error) {
char *fnt_name, *sfd_name = NULL;
fnt_name = chop_sfd_name(q, &sfd_name);
if (fnt_name && sfd_name) {
if (!mrec->font_name) {
/* In the case of subfonts, the base name (before the character '@')
* will be used as a font_name by default.
* Otherwise tex_name will be used as a font_name by default.
*/
mrec->font_name = fnt_name;
} else {
free(fnt_name);
}
free(mrec->charmap.sfd_name);
mrec->charmap.sfd_name = sfd_name ;
}
fill_in_defaults(mrec, q);
}
free(q);
return error;
}
/* DVIPS/pdfTeX fontmap line if one of the following three cases found:
*
* (1) any line including the character '"'
* (2) any line including the character '<'
* (3) if the line consists of two entries (tfmname and psname)
*
* DVIPDFM fontmap line otherwise.
*/
int
is_pdfm_mapline (const char *mline) /* NULL terminated. */
{
unsigned int n = 0;
const char *p, *endptr;
if (strchr(mline, '"') || strchr(mline, '<'))
return -1; /* DVIPS/pdfTeX format */
p = mline;
endptr = p + strlen(mline);
skip_blank(&p, endptr);
while (p < endptr) {
/* Break if '-' preceeded by blanks is found. (DVIPDFM format) */
if (*p == '-') return 1;
for (n++; p < endptr && !ISBLANK(*p); p++);
skip_blank(&p, endptr);
}
/* Two entries: TFM_NAME PS_NAME only (DVIPS format)
* Otherwise (DVIPDFM format) */
return (n == 2 ? 0 : 1);
}
int
pdf_load_fontmap_file (const char *filename, int mode)
{
fontmap_rec *mrec;
rust_input_handle_t handle;
const char *p = NULL, *endptr;
int llen, lpos = 0;
int error = 0, format = 0;
assert(filename);
assert(fontmap);
if (verbose)
dpx_message("<FONTMAP:");
handle = dpx_tt_open(filename, ".map", TTIF_FONTMAP);
if (handle == NULL) {
dpx_warning("Couldn't open font map file \"%s\".", filename);
return -1;
}
while (!error && (p = tt_readline(work_buffer, WORK_BUFFER_SIZE, handle)) != NULL) {
int m;
lpos++;
llen = strlen(work_buffer);
endptr = p + llen;
skip_blank(&p, endptr);
if (p == endptr)
continue;
m = is_pdfm_mapline(p);
if (format * m < 0) { /* mismatch */
dpx_warning("Found a mismatched fontmap line %d from %s.", lpos, filename);
dpx_warning("-- Ignore the current input buffer: %s", p);
continue;
} else
format += m;