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|
/* $Header: /home/cvsroot/dvipdfmx/src/dpxfile.c,v 1.25 2009/03/12 19:29:48 matthias Exp $
This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
Copyright (C) 2002 by Jin-Hwan Cho and Shunsaku Hirata,
the dvipdfmx project team <dvipdfmx@project.ktug.or.kr>
Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu>
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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "system.h"
#include "error.h"
#include "mem.h"
#include "dpxutil.h"
#include "mfileio.h"
#include "dpxfile.h"
static int verbose = 0;
void
dpx_file_set_verbose (void)
{
verbose++;
}
#define mystrdup(s1) (char *) MEM_ADD(strdup(s1))
/* Kpathsea library does not check file type. */
static int qcheck_filetype (const char *fqpn, int type);
/* For testing MIKTEX enabled compilation */
#if defined(TESTCOMPILE) && !defined(MIKTEX)
# define MIKTEX 1
# define PATH_SEP_CHR '/'
# define _MAX_PATH 256
static int
miktex_get_acrobat_font_dir (char *buf)
{
strcpy(buf, "/usr/share/ghostscript/Resource/Font/");
return 1;
}
static int
miktex_find_file (const char *filename, const char *dirlist, char *buf)
{
int r = 0;
char *fqpn;
fqpn = kpse_path_search(dirlist, filename, 0);
if (!fqpn)
return 0;
if (strlen(fqpn) > _MAX_PATH)
r = 0;
else {
strcpy(buf, fqpn);
r = 1;
}
RELEASE(fqpn);
return r;
}
static int
miktex_find_app_input_file (const char *progname, const char *filename, char *buf)
{
int r = 0;
char *fqpn;
kpse_reset_program_name(progname);
fqpn = kpse_find_file (filename, kpse_program_text_format, false);
kpse_reset_program_name(PACKAGE);
if (!fqpn)
return 0;
if (strlen(fqpn) > _MAX_PATH)
r = 0;
else {
strcpy(buf, fqpn);
r = 1;
}
RELEASE(fqpn);
return r;
}
static int
miktex_find_psheader_file (const char *filename, char *buf)
{
int r;
char *fqpn;
fqpn = kpse_find_file(filename, kpse_tex_ps_header_format, 0);
if (!fqpn)
return 0;
if (strlen(fqpn) > _MAX_PATH)
r = 0;
else {
strcpy(buf, fqpn);
r = 1;
}
RELEASE(fqpn);
return r;
}
#endif /* TESTCOMPILE */
#ifdef MIKTEX
#ifndef PATH_SEP_CHR
# define PATH_SEP_CHR '\\'
#endif
static char _tmpbuf[_MAX_PATH+1];
#endif /* MIKTEX */
/* ensuresuffix() returns a copy of basename if sfx is "". */
static char *
ensuresuffix (const char *basename, const char *sfx)
{
char *q, *p;
p = NEW(strlen(basename) + strlen(sfx) + 1, char);
strcpy(p, basename);
q = strrchr(p, '.');
if (!q && sfx[0])
strcat(p, sfx);
return p;
}
#ifdef MIKTEX
static char *
dpx_find__app__xyz (const char *filename,
const char *suffix, int is_text)
{
char *fqpn = NULL;
int r;
char *q;
q = ensuresuffix(filename, suffix);
r = miktex_find_app_input_file(PACKAGE, q, _tmpbuf);
if (!r && strcmp(q, filename))
r = miktex_find_app_input_file(PACKAGE, filename, _tmpbuf);
if (r) {
fqpn = NEW(strlen(_tmpbuf) + 1, char);
strcpy(fqpn, _tmpbuf);
}
RELEASE(q);
return fqpn;
}
static char *
dpx_foolsearch (const char *foolname,
const char *filename,
int is_text)
{
char *fqpn = NULL;
int r;
r = miktex_find_app_input_file(foolname, filename, _tmpbuf);
if (r) {
fqpn = NEW(strlen(_tmpbuf) + 1, char);
strcpy(fqpn, _tmpbuf);
}
return fqpn;
}
#else /* !MIKTEX */
# define TDS11DOC "http://www.tug.org/ftp/tex/tds-1.1/tds.html#Fonts"
static void
insistupdate (const char *filename,
const char *fqpn,
const char *foolname,
kpse_file_format_type foolformat,
kpse_file_format_type realformat)
{
kpse_format_info_type *fif;
kpse_format_info_type *fir;
if (verbose < 1)
return;
fif = &kpse_format_info[foolformat];
fir = &kpse_format_info[realformat];
WARN("File name=\"%s\" format=\"%s\" might be found in different location than I expected:",
filename, fir->type);
WARN(">> %s", fqpn);
WARN(">> Please adjust your TEXMF as conformant with:");
WARN(">> " TDS11DOC);
WARN(">> I searched it with fooling kpathsea as progname=\"%s\" format=\"%s\".",
foolname, fif->type);
WARN(">> Default search path for this format file is:");
WARN(">> %s", fir->default_path);
WARN(">> Please read \"README\" file.");
}
static char *
dpx_find__app__xyz (const char *filename,
const char *suffix, int is_text)
{
char *fqpn = NULL;
char *q;
q = ensuresuffix(filename, suffix);
fqpn = kpse_find_file(q,
(is_text ?
kpse_program_text_format : kpse_program_binary_format), 0);
if (!fqpn && strcmp(q, filename))
fqpn = kpse_find_file(filename,
(is_text ?
kpse_program_text_format : kpse_program_binary_format), 0);
RELEASE(q);
return fqpn;
}
static char *
dpx_foolsearch (const char *foolname,
const char *filename,
int is_text)
{
char *fqpn = NULL;
kpse_reset_program_name(foolname);
fqpn = kpse_find_file (filename,
(is_text ?
kpse_program_text_format :
kpse_program_binary_format),
false);
kpse_reset_program_name(PACKAGE);
return fqpn;
}
#endif /* MIKTEX */
static char *dpx_find_fontmap_file (const char *filename);
static char *dpx_find_agl_file (const char *filename);
static char *dpx_find_sfd_file (const char *filename);
static char *dpx_find_cmap_file (const char *filename);
static char *dpx_find_enc_file (const char *filename);
static char *dpx_find_iccp_file (const char *filename);
static char *dpx_find_dfont_file (const char *filename);
FILE *
dpx_open_file (const char *filename, int type)
{
FILE *fp = NULL;
char *fqpn = NULL;
switch (type) {
case DPX_RES_TYPE_FONTMAP:
fqpn = dpx_find_fontmap_file(filename);
break;
case DPX_RES_TYPE_T1FONT:
fqpn = dpx_find_type1_file(filename);
break;
case DPX_RES_TYPE_TTFONT:
fqpn = dpx_find_truetype_file(filename);
break;
case DPX_RES_TYPE_OTFONT:
fqpn = dpx_find_opentype_file(filename);
break;
case DPX_RES_TYPE_PKFONT:
break;
case DPX_RES_TYPE_CMAP:
fqpn = dpx_find_cmap_file(filename);
break;
case DPX_RES_TYPE_ENC:
fqpn = dpx_find_enc_file(filename);
break;
case DPX_RES_TYPE_SFD:
fqpn = dpx_find_sfd_file(filename);
break;
case DPX_RES_TYPE_AGL:
fqpn = dpx_find_agl_file(filename);
break;
case DPX_RES_TYPE_ICCPROFILE:
fqpn = dpx_find_iccp_file(filename);
break;
case DPX_RES_TYPE_DFONT:
fqpn = dpx_find_dfont_file(filename);
break;
case DPX_RES_TYPE_BINARY:
fqpn = dpx_find__app__xyz(filename, "", 0);
break;
case DPX_RES_TYPE_TEXT:
fqpn = dpx_find__app__xyz(filename, "", 1);
break;
default:
ERROR("Unknown resource type: %d", type);
break;
}
if (fqpn) {
fp = MFOPEN(fqpn, FOPEN_RBIN_MODE);
RELEASE(fqpn);
}
return fp;
}
static char *
dpx_find_iccp_file (const char *filename)
{
char *fqpn = NULL;
fqpn = dpx_find__app__xyz(filename, "", 0);
if (fqpn || strrchr(filename, '.'))
return fqpn;
fqpn = dpx_find__app__xyz(filename, ".icc", 0);
if (fqpn)
return fqpn;
fqpn = dpx_find__app__xyz(filename, ".icm", 0);
return fqpn;
}
static char *
dpx_find_fontmap_file (const char *filename)
{
char *fqpn = NULL;
char *q;
q = ensuresuffix(filename, ".map");
#ifdef MIKTEX
fqpn = dpx_find__app__xyz(q, ".map", 1);
#else /* !MIKTEX */
fqpn = kpse_find_file(q, kpse_fontmap_format, 0);
if (!fqpn) {
fqpn = dpx_find__app__xyz(q, ".map", 1);
if (fqpn)
insistupdate(q, fqpn, PACKAGE,
kpse_program_text_format, kpse_fontmap_format);
}
#endif /* MIKETEX */
RELEASE(q);
return fqpn;
}
static char *
dpx_find_agl_file (const char *filename)
{
char *fqpn = NULL;
char *q;
q = ensuresuffix(filename, ".txt");
#ifdef MIKTEX
fqpn = dpx_find__app__xyz(q, ".txt", 1);
#else /* !MIKTEX */
fqpn = kpse_find_file(q, kpse_fontmap_format, 0);
if (!fqpn) {
fqpn = dpx_find__app__xyz(q, ".txt", 1);
if (fqpn)
insistupdate(q, fqpn, PACKAGE,
kpse_program_text_format, kpse_fontmap_format);
}
#endif /* MIKETEX */
RELEASE(q);
return fqpn;
}
/* cmap.sty put files into tex/latex/cmap */
static char *
dpx_find_cmap_file (const char *filename)
{
char *fqpn = NULL;
static const char *fools[] = {
"cmap", "tex", NULL
};
int i;
#if defined(MIKTEX)
/* Find in Acrobat's Resource/CMap dir */
{
char _acrodir[_MAX_PATH+1];
char *q;
int r;
memset(_acrodir, 0, _MAX_PATH+1);
r = miktex_get_acrobat_font_dir(_acrodir);
if (r &&
strlen(_acrodir) > strlen("Font")) {
/* ....\Font\ */
q = strrchr(_acrodir, PATH_SEP_CHR);
if (q && q[1] == '\0')
q[0] = '\0';
q = strrchr(_acrodir, PATH_SEP_CHR);
if (q && !strcmp(q + 1, "Font")) {
sprintf(q, "%cCMap%c", PATH_SEP_CHR, PATH_SEP_CHR);
r = miktex_find_file(filename, _acrodir, _tmpbuf);
if (r) {
fqpn = NEW(strlen(_tmpbuf) + 1, char);
strcpy(fqpn, _tmpbuf);
}
}
}
memset(_tmpbuf, 0, _MAX_PATH+1);
}
#else
fqpn = kpse_find_file(filename, kpse_cmap_format, 0);
#endif
/* Files found above are assumed to be CMap,
* if it's not really CMap it will cause an error.
*/
for (i = 0; !fqpn && fools[i]; i++) {
fqpn = dpx_foolsearch(fools[i], filename, 1);
if (fqpn) {
#ifndef MIKTEX
insistupdate(filename, fqpn, fools[i],
kpse_program_text_format, kpse_cmap_format);
#endif
if (!qcheck_filetype(fqpn, DPX_RES_TYPE_CMAP)) {
WARN("Found file \"%s\" for PostScript CMap but it doesn't look like a CMap...", fqpn);
RELEASE(fqpn);
fqpn = NULL;
}
}
}
return fqpn;
}
/* Search order:
* SFDFONTS (TDS 1.1)
* ttf2pk (text file)
* ttf2tfm (text file)
* dvipdfm (text file)
*/
static char *
dpx_find_sfd_file (const char *filename)
{
char *fqpn = NULL;
char *q;
static const char *fools[] = {
"ttf2pk", "ttf2tfm", NULL
};
int i;
q = ensuresuffix(filename, ".sfd");
#ifndef MIKTEX
fqpn = kpse_find_file(q, kpse_sfd_format, 0);
#endif /* !MIKTEX */
for (i = 0; !fqpn && fools[i]; i++) {
fqpn = dpx_foolsearch(fools[i], q, 1);
#ifndef MIKTEX
if (fqpn)
insistupdate(filename, fqpn, fools[i],
kpse_program_text_format, kpse_sfd_format);
#endif
}
RELEASE(q);
return fqpn;
}
static char *
dpx_find_enc_file (const char *filename)
{
char *fqpn = NULL;
char *q;
static const char *fools[] = {
"dvips", NULL
};
int i;
q = ensuresuffix(filename, ".enc");
#ifdef MIKTEX
if (miktex_find_psheader_file(q, _tmpbuf)) {
fqpn = NEW(strlen(_tmpbuf) + 1, char);
strcpy(fqpn, _tmpbuf);
}
#else
fqpn = kpse_find_file(q, kpse_enc_format, 0);
#endif /* MIKTEX */
for (i = 0; !fqpn && fools[i]; i++) {
fqpn = dpx_foolsearch(fools[i], q, 1);
#ifndef MIKTEX
if (fqpn)
insistupdate(filename, fqpn, fools[i],
kpse_program_text_format, kpse_enc_format);
#endif
}
RELEASE(q);
return fqpn;
}
static int
is_absolute_path(const char *filename)
{
#ifdef WIN32
if (isalpha(filename[0]) && filename[1] == ':')
return 1;
if (filename[0] == '\\' && filename[1] == '\\')
return 1;
#else
if (filename[0] == '/')
return 1;
#endif
return 0;
}
char *
dpx_find_type1_file (const char *filename)
{
char *fqpn = NULL;
if (is_absolute_path(filename))
fqpn = mystrdup(filename);
else
fqpn = kpse_find_file(filename, kpse_type1_format, 0);
if (fqpn && !qcheck_filetype(fqpn, DPX_RES_TYPE_T1FONT)) {
RELEASE(fqpn);
fqpn = NULL;
}
return fqpn;
}
char *
dpx_find_truetype_file (const char *filename)
{
char *fqpn = NULL;
if (is_absolute_path(filename))
fqpn = mystrdup(filename);
else
fqpn = kpse_find_file(filename, kpse_truetype_format, 0);
if (fqpn && !qcheck_filetype(fqpn, DPX_RES_TYPE_TTFONT)) {
RELEASE(fqpn);
fqpn = NULL;
}
return fqpn;
}
char *
dpx_find_opentype_file (const char *filename)
{
char *fqpn = NULL;
char *q;
q = ensuresuffix(filename, ".otf");
#ifndef MIKTEX
if (is_absolute_path(q))
fqpn = mystrdup(q);
else
fqpn = kpse_find_file(q, kpse_opentype_format, 0);
if (!fqpn) {
#endif
fqpn = dpx_foolsearch(PACKAGE, q, 0);
#ifndef MIKTEX
if (fqpn)
insistupdate(filename, fqpn, PACKAGE,
kpse_program_binary_format, kpse_opentype_format);
}
#endif
RELEASE(q);
/* *We* use "opentype" for ".otf" (CFF). */
if (fqpn && !qcheck_filetype(fqpn, DPX_RES_TYPE_OTFONT)) {
RELEASE(fqpn);
fqpn = NULL;
}
return fqpn;
}
static char *
dpx_find_dfont_file (const char *filename)
{
char *fqpn = NULL;
fqpn = kpse_find_file(filename, kpse_truetype_format, 0);
if (fqpn) {
int len = strlen(fqpn);
if (len > 6 && strncmp(fqpn+len-6, ".dfont", 6)) {
fqpn = RENEW(fqpn, len+6, char);
strcat(fqpn, "/rsrc");
}
}
if (!qcheck_filetype(fqpn, DPX_RES_TYPE_DFONT)) {
RELEASE(fqpn);
fqpn = NULL;
}
return fqpn;
}
#ifdef HAVE_MKSTEMP
# include <stdlib.h>
/* extern int mkstemp(const char *); */
#endif
/* Please fix: GCC warning
* warning: implicit declaration of function `mkstemp'
* mkstemp may not be declared in stdlib.h.
*/
char *
dpx_create_temp_file (void)
{
char *tmp = NULL;
#if defined(MIKTEX)
{
tmp = NEW(_MAX_PATH + 1, char);
miktex_create_temp_file_name(tmp); /* FIXME_FIXME */
}
#elif defined(HAVE_MKSTEMP)
# define __TMPDIR "/tmp"
# define TEMPLATE "/dvipdfmx.XXXXXXXX"
{
const char *_tmpd;
int _fd = -1;
# ifdef HAVE_GETENV
_tmpd = getenv("TMPDIR");
if (!_tmpd)
_tmpd = __TMPDIR;
# else
_tmpd = __TMPDIR;
# endif /* HAVE_GETENV */
tmp = NEW(strlen(_tmpd) + strlen(TEMPLATE) + 1, char);
strcpy(tmp, _tmpd);
strcat(tmp, TEMPLATE);
_fd = mkstemp(tmp);
if (_fd != -1)
#ifdef WIN32
_close(_fd);
#else
close(_fd);
#endif /* WIN32 */
else {
RELEASE(tmp);
tmp = NULL;
}
}
#else /* use tmpnam */
{
char *_tmpa = NEW(L_tmpnam + 1, char);
tmp = tmpnam(_tmpa);
if (!tmp)
RELEASE(_tmpa);
}
#endif /* MIKTEX */
return tmp;
}
void
dpx_delete_temp_file (char *tmp)
{
if (!tmp)
return;
remove (tmp);
RELEASE(tmp);
return;
}
#ifdef HAVE_SYSTEM
/* dpx_file_apply_filter() is used for converting unsupported graphics
* format to one of the formats that dvipdfmx can natively handle.
* 'input' is the filename of the original file and 'output' is actually
* temporal files 'generated' by the above routine.
* This should be system dependent. (MiKTeX may want something different)
* Please modify as appropriate (see also pdfximage.c and dvipdfmx.c).
*/
int
dpx_file_apply_filter (const char *cmdtmpl,
const char *input, const char *output,
unsigned char version)
{
char *cmd = NULL;
const char *p, *q;
size_t n, size;
int error = 0;
if (!cmdtmpl)
return -1;
else if (!input || !output)
return -1;
size = strlen(cmdtmpl) + strlen(input) + strlen(output) + 3;
cmd = NEW(size, char);
memset(cmd, 0, size);
for (n = 0, p = cmdtmpl; *p != 0; p++) {
#define need(s,l,m,n) \
if ((l) + (n) >= (m)) { \
(m) += (n) + 128; \
(s) = RENEW((s), (m), char); \
}
if (p[0] == '%') {
p++;
switch (p[0]) {
case 'o': /* Output file name */
need(cmd, n, size, strlen(output));
strcpy(cmd + n, output); n += strlen(output);
break;
case 'i': /* Input filename */
need(cmd, n, size, strlen(input));
strcpy(cmd + n, input); n += strlen(input);
break;
case 'b':
need(cmd, n, size, strlen(input));
q = strrchr(input, '.'); /* wrong */
if (q) {
memcpy(cmd + n, input, (int) (q - input));
n += (int) (q - input);
} else {
strcpy(cmd + n, input); n += strlen(input);
}
case 'v': /* Version number, e.g. 1.4 */ {
char buf[6];
sprintf(buf, "1.%hhu", version);
need(cmd, n, size, strlen(buf));
strcpy(cmd + n, buf); n += strlen(buf);
break;
}
case 0:
break;
case '%':
need(cmd, n, size, 1);
cmd[n] = '%'; n++;
break;
}
} else {
need(cmd, n, size, 1);
cmd[n] = p[0]; n++;
}
}
need(cmd, n, size, 1);
cmd[n] = '\0';
if (strlen(cmd) == 0) {
RELEASE(cmd);
return -1;
}
error = system(cmd);
if (error)
WARN("Filtering file via command -->%s<-- failed.", cmd);
RELEASE(cmd);
return error;
}
#else
int
dpx_file_apply_filter (const char *cmdtmpl, const char *input, const char *output)
{
WARN("Your system does not have system().");
return -1;
}
#endif /* HAVE_SYSTEM */
static char _sbuf[128];
/*
* SFNT type sigs:
* `true' (0x74727565): TrueType (Mac)
* `typ1' (0x74797031) (Mac): PostScript font housed in a sfnt wrapper
* 0x00010000: TrueType (Win)/OpenType
* `OTTO': PostScript CFF font with OpenType wrapper
* `ttcf': TrueType Collection
*/
static int
istruetype (FILE *fp)
{
int n;
rewind(fp);
n = fread(_sbuf, 1, 4, fp);
rewind(fp);
if (n != 4)
return 0;
else if (!memcmp(_sbuf, "true", 4) ||
!memcmp(_sbuf, "\0\1\0\0", 4)) /* This doesn't help... */
return 1;
else if (!memcmp(_sbuf, "ttcf", 4))
return 1;
return 0;
}
/* "OpenType" is only for ".otf" here */
static int
isopentype (FILE *fp)
{
int n;
rewind(fp);
n = fread(_sbuf, 1, 4, fp);
rewind(fp);
if (n != 4)
return 0;
else if (!memcmp(_sbuf, "OTTO", 4))
return 1;
else
return 0;
}
static int
ist1binary (FILE *fp)
{
char *p;
int n;
rewind(fp);
n = fread(_sbuf, 1, 21, fp);
rewind(fp);
p = _sbuf;
if (n != 21)
return 0;
else if (p[0] != (char) 0x80 || p[1] < 0 || p[1] > 3)
return 0;
else if (!memcmp(p + 6, "%!PS-AdobeFont", 14) ||
!memcmp(p + 6, "%!FontType1", 11))
return 1;
else if (!memcmp(p + 6, "%!PS", 4)) {
#if 0
p[20] = '\0'; p += 6;
WARN("Ambiguous PostScript resource type: %s", (char *) p);
#endif
return 1;
}
/* Otherwise ambiguious */
return 0;
}
/* %!PS-Adobe-x.y Resource-CMap */
static int
ispscmap (FILE *fp)
{
char *p;
p = mfgets(_sbuf, 128, fp); p[127] = '\0';
if (!p || strlen(p) < 4 || memcmp(p, "%!PS", 4))
return 0;
for (p += 4; *p && !isspace(*p); p++);
for ( ; *p && (*p == ' ' || *p == '\t'); p++);
if (*p == '\0' || strlen(p) < strlen("Resource-CMap"))
return 0;
else if (!memcmp(p, "Resource-CMap", strlen("Resource-CMap")))
return 1;
/* Otherwise ambiguious */
return 0;
}
static int
isdfont (FILE *fp)
{
int i, n;
unsigned long pos;
rewind(fp);
get_unsigned_quad(fp);
seek_absolute(fp, (pos = get_unsigned_quad(fp)) + 0x18);
seek_absolute(fp, pos + get_unsigned_pair(fp));
n = get_unsigned_pair(fp);
for (i = 0; i <= n; i++) {
if (get_unsigned_quad(fp) == 0x73666e74UL) /* "sfnt" */
return 1;
get_unsigned_quad(fp);
}
return 0;
}
/* This actually opens files. */
static int
qcheck_filetype (const char *fqpn, int type)
{
int r = 1;
FILE *fp;
if (!fqpn)
return 0;
fp = MFOPEN(fqpn, FOPEN_RBIN_MODE);
if (!fp) {
WARN("File \"%s\" found but I could not open that...", fqpn);
return 0;
}
switch (type) {
case DPX_RES_TYPE_T1FONT:
r = ist1binary(fp);
break;
case DPX_RES_TYPE_TTFONT:
r = istruetype(fp);
break;
case DPX_RES_TYPE_OTFONT:
r = isopentype(fp);
break;
case DPX_RES_TYPE_CMAP:
r = ispscmap(fp);
break;
case DPX_RES_TYPE_DFONT:
r = isdfont(fp);
break;
}
MFCLOSE(fp);
return r;
}
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