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/*
* markdown: convert a single markdown document into html
*/
/*
* Copyright (C) 2007 David L Parsons.
* The redistribution terms are provided in the COPYRIGHT file that must
* be distributed with this source code.
*/
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <unistd.h>
#include <mkdio.h>
#include <errno.h>
#include <string.h>
#include <stdarg.h>
#include "config.h"
#include "amalloc.h"
#include "pgm_options.h"
#if HAVE_LIBGEN_H
#include <libgen.h>
#endif
#ifndef HAVE_BASENAME
#include <string.h>
char*
basename(char *p)
{
char *ret = strrchr(p, '/');
return ret ? (1+ret) : p;
}
#endif
char *pgm = "markdown";
char *
e_flags(const char *text, const int size, void *context)
{
return (char*)context;
}
void
complain(char *fmt, ...)
{
va_list ptr;
fprintf(stderr, "%s: ", pgm);
va_start(ptr, fmt);
vfprintf(stderr, fmt, ptr);
va_end(ptr);
fputc('\n', stderr);
fflush(stderr);
}
main(int argc, char **argv)
{
int opt;
int rc;
mkd_flag_t flags = 0;
int debug = 0;
int toc = 0;
int version = 0;
int with_html5 = 0;
int use_mkd_line = 0;
char *extra_footnote_prefix = 0;
char *urlflags = 0;
char *text = 0;
char *ofile = 0;
char *urlbase = 0;
char *q;
MMIOT *doc;
if ( q = getenv("MARKDOWN_FLAGS") )
flags = strtol(q, 0, 0);
pgm = basename(argv[0]);
opterr = 1;
while ( (opt=getopt(argc, argv, "5b:C:df:E:F:o:s:t:TV")) != EOF ) {
switch (opt) {
case '5': with_html5 = 1;
break;
case 'b': urlbase = optarg;
break;
case 'd': debug = 1;
break;
case 'V': version++;
break;
case 'E': urlflags = optarg;
break;
case 'F': if ( strcmp(optarg, "?") == 0 ) {
show_flags(0);
exit(0);
}
else
flags = strtol(optarg, 0, 0);
break;
case 'f': if ( strcmp(optarg, "?") == 0 ) {
show_flags(1);
exit(0);
}
else if ( !set_flag(&flags, optarg) )
complain("unknown option <%s>", optarg);
break;
case 't': text = optarg;
use_mkd_line = 1;
break;
case 'T': toc = 1;
break;
case 's': text = optarg;
break;
case 'C': extra_footnote_prefix = optarg;
break;
case 'o': if ( ofile ) {
complain("Too many -o options");
exit(1);
}
if ( !freopen(ofile = optarg, "w", stdout) ) {
perror(ofile);
exit(1);
}
break;
default: fprintf(stderr, "usage: %s [-dTV] [-b url-base]"
" [-F bitmap] [-f {+-}flags]"
" [-o ofile] [-s text]"
" [-t text] [file]\n", pgm);
exit(1);
}
}
if ( version ) {
printf("%s: discount %s%s", pgm, markdown_version,
with_html5 ? " +html5":"");
if ( version > 1 )
mkd_flags_are(stdout, flags, 0);
putchar('\n');
exit(0);
}
argc -= optind;
argv += optind;
if ( with_html5 )
mkd_with_html5_tags();
if ( use_mkd_line )
rc = mkd_generateline( text, strlen(text), stdout, flags);
else {
if ( text ) {
if ( (doc = mkd_string(text, strlen(text), flags)) == 0 ) {
perror(text);
exit(1);
}
}
else {
if ( argc && !freopen(argv[0], "r", stdin) ) {
perror(argv[0]);
exit(1);
}
if ( (doc = mkd_in(stdin,flags)) == 0 ) {
perror(argc ? argv[0] : "stdin");
exit(1);
}
}
if ( urlbase )
mkd_basename(doc, urlbase);
if ( urlflags ) {
mkd_e_data(doc, urlflags);
mkd_e_flags(doc, e_flags);
}
if ( extra_footnote_prefix )
mkd_ref_prefix(doc, extra_footnote_prefix);
if ( debug )
rc = mkd_dump(doc, stdout, 0, argc ? basename(argv[0]) : "stdin");
else {
rc = 1;
if ( mkd_compile(doc, flags) ) {
rc = 0;
if ( toc )
mkd_generatetoc(doc, stdout);
mkd_generatehtml(doc, stdout);
mkd_cleanup(doc);
}
}
}
mkd_deallocate_tags();
adump();
exit( (rc == 0) ? 0 : errno );
}
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