summaryrefslogtreecommitdiff
path: root/Build/source/texk/dvipdfm-x/spc_dvipdfmx.c
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/texk/dvipdfm-x/spc_dvipdfmx.c')
-rw-r--r--Build/source/texk/dvipdfm-x/spc_dvipdfmx.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/Build/source/texk/dvipdfm-x/spc_dvipdfmx.c b/Build/source/texk/dvipdfm-x/spc_dvipdfmx.c
new file mode 100644
index 00000000000..6b3fa703959
--- /dev/null
+++ b/Build/source/texk/dvipdfm-x/spc_dvipdfmx.c
@@ -0,0 +1,139 @@
+/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
+
+ Copyright (C) 2002-2020 by Jin-Hwan Cho and Shunsaku Hirata,
+ the dvipdfmx project team.
+
+ 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.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+
+#include "system.h"
+#include "mem.h"
+#include "error.h"
+
+#include "dpxutil.h"
+#include "pdfparse.h"
+
+#include "specials.h"
+
+#include "spc_util.h"
+#include "spc_dvipdfmx.h"
+
+static int
+spc_handler_null (struct spc_env *spe, struct spc_arg *args)
+{
+ args->curptr = args->endptr;
+
+ return 0;
+}
+
+static int
+spc_handler_dvipdfmx_catch_phantom (struct spc_env *spe, struct spc_arg *args)
+{
+ int mode, error;
+
+ skip_white(&args->curptr, args->endptr);
+ {
+ pdf_obj *b = parse_pdf_boolean(&args->curptr, args->endptr);
+ if (!b) {
+ WARN("A boolean value expected but not found...");
+ return -1;
+ }
+ mode = pdf_boolean_value(b);
+ pdf_release_obj(b);
+ }
+ spc_set_linkmode(spe, mode);
+
+ skip_white(&args->curptr, args->endptr);
+ if (mode == 1 && args->curptr < args->endptr) {
+ transform_info ti;
+
+ transform_info_clear(&ti);
+ error = spc_util_read_dimtrns(spe, &ti, args, 0);
+ if (error)
+ return -1;
+ if (ti.flags & INFO_HAS_HEIGHT) {
+ spc_set_phantom(spe, ti.height, ti.depth);
+ }
+ skip_white(&args->curptr, args->endptr);
+ }
+
+ return 0;
+}
+
+static struct spc_handler dvipdfmx_handlers[] = {
+ {"config", spc_handler_null}, /* handled at bop */
+ {"catch_phantom", spc_handler_dvipdfmx_catch_phantom},
+};
+
+int
+spc_dvipdfmx_check_special (const char *buf, int len)
+{
+ int r = 0;
+ const char *p, *endptr;
+
+ p = buf;
+ endptr = p + len;
+
+ skip_white(&p, endptr);
+ if (p + strlen("dvipdfmx:") <= endptr &&
+ !memcmp(p, "dvipdfmx:", strlen("dvipdfmx:"))) {
+ r = 1;
+ }
+
+ return r;
+}
+
+int
+spc_dvipdfmx_setup_handler (struct spc_handler *sph,
+ struct spc_env *spe, struct spc_arg *ap)
+{
+ int error = -1, i;
+ char *q;
+
+ ASSERT(sph && spe && ap);
+
+ skip_white(&ap->curptr, ap->endptr);
+ if (ap->curptr + strlen("dvipdfmx:") >= ap->endptr ||
+ memcmp(ap->curptr, "dvipdfmx:", strlen("dvipdfmx:"))) {
+ spc_warn(spe, "Not dvipdfmx: special???");
+ return -1;
+ }
+ ap->curptr += strlen("dvipdfmx:");
+
+ skip_white(&ap->curptr, ap->endptr);
+ q = parse_c_ident(&ap->curptr, ap->endptr);
+ if (q) {
+ for (i = 0;
+ i < sizeof(dvipdfmx_handlers) / sizeof(struct spc_handler); i++) {
+ if (!strcmp(q, dvipdfmx_handlers[i].key)) {
+ ap->command = dvipdfmx_handlers[i].key;
+ sph->key = "dvipdfmx:";
+ sph->exec = dvipdfmx_handlers[i].exec;
+ skip_white(&ap->curptr, ap->endptr);
+ error = 0;
+ break;
+ }
+ }
+ RELEASE(q);
+ }
+
+ return error;
+}