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/*
This code was stolen from dvips (getpsinfo() in resident.c) for xdvi
use. The file itself does not carry any licensing info, except for
reference to dvips.h, which doesn't have a standart-type license
either. The code seems to be either in the public domain, or, in
the worst case, GPL.
- Nicolai Langfeldt, 21/2/1999
*/
#include "xdvi-config.h"
#include "xdvi.h"
#include "util.h"
#include "read-mapfile.h"
#include "dvi-draw.h" /* for add_T1_mapentry */
#include <stdio.h>
#ifdef T1LIB
#include "kpathsea/tex-file.h"
#define INLINE_SIZE 2048
/*
* Read a dvips psfont map file. Return True if it was read ok,
* False otherwise.
*/
Boolean
read_map_file(char *name)
{
FILE *fp;
char *p;
char *specinfo;
char specbuf[500];
char *fullname;
int lineno = 0;
static char inline_buf[INLINE_SIZE];
/* Try first for xdvi specific file */
fullname = kpse_find_file(name, kpse_program_text_format, 0);
/* Then any fontmap file */
if (fullname == NULL) {
fullname = kpse_find_file(name, kpse_fontmap_format, 0);
}
if (fullname == NULL) {
XDVI_WARNING((stderr, "Could not find map file \"%s\".", name));
return False;
}
fp = XFOPEN(fullname, "r");
if (fp == NULL) {
XDVI_WARNING((stderr, "Could not open map file \"%s\": %s.\n", name, strerror(errno)));
return False;
}
while (fgets(inline_buf, INLINE_SIZE, fp) != NULL) {
char *TeXname = NULL;
char *PSname = NULL;
char *Fontfile = NULL;
char *Vectfile = NULL;
char *hdr_name = NULL;
specinfo = NULL;
specbuf[0] = 0;
lineno++;
/* One line at a time */
p = inline_buf;
if (*p < ' ' || *p == '*' || *p == '#' || *p == ';' || *p == '%')
continue;
while (*p) {
while (*p && *p <= ' ')
p++;
if (*p) {
/* Note: In dvips, this flag is set outside the loop
so that font files may be scanned/included as encoding files
(I guess it doesn't matter for dvips, but it does for xdvi ...)
*/
boolean encoding_p = False;
if (*p == '"') { /* PostScript instructions? */
if (specinfo) {
strcat(specbuf, specinfo);
strcat(specbuf, " ");
}
specinfo = p + 1;
}
else if (*p == '<') { /* Header to download? */
if (p[1] == '<') { /* << means always full download, ignore */
p++;
}
else if (p[1] == '[') { /* <[ means an encoding */
p++;
encoding_p = True;
}
p++;
/* skip whitespace after < */
while (*p && *p <= ' ')
p++;
/* save start of header name */
hdr_name = p;
}
else if (TeXname) /* second regular word on line? */
PSname = p;
else /* first regular word? */
TeXname = p;
if (*p == '"') {
p++; /* find end of "..." word */
while (*p != '"' && *p)
p++;
}
else
while (*p > ' ') /* find end of anything else */
p++;
/* Terminate the substring we just identified */
if (*p)
*p++ = 0;
/* If we had a header we were downloading, figure out what to do;
couldn't do this above since we want to check the suffix. */
if (hdr_name) {
char *suffix = find_suffix(hdr_name);
if (encoding_p
|| (suffix != NULL && strcmp(suffix, "enc") == 0)) {
Vectfile = hdr_name;
}
else {
Fontfile = hdr_name;
}
}
}
} /* while (*p) */
/* Line finished. Lookit what we got */
if (specinfo) {
strcat(specbuf, specinfo);
}
if (TeXname) {
add_T1_mapentry(lineno, fullname, TeXname, Fontfile, Vectfile, specinfo);
}
}
fclose(fp);
return True;
}
#endif /* T1LIB */
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