- /*
- * 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"
- #include "tags.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 content = 1;
- int version = 0;
- int with_html5 = 0;
- int styles = 0;
- int use_mkd_line = 0;
- int github_flavoured = 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:Gno:s:St: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 'G': github_flavoured = 1;
- break;
- case 'n': content = 0;
- break;
- case 's': text = optarg;
- break;
- case 'S': styles = 1;
- break;
- case 't': text = optarg;
- use_mkd_line = 1;
- break;
- case 'T': toc = 1;
- 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 ) {
- doc = github_flavoured ? gfm_string(text, strlen(text), flags)
- : mkd_string(text, strlen(text), flags) ;
-
- if ( !doc ) {
- perror(text);
- exit(1);
- }
- }
- else {
- if ( argc && !freopen(argv[0], "r", stdin) ) {
- perror(argv[0]);
- exit(1);
- }
-
- doc = github_flavoured ? gfm_in(stdin,flags) : mkd_in(stdin,flags);
- if ( !doc ) {
- 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 ( styles )
- mkd_generatecss(doc, stdout);
- if ( toc )
- mkd_generatetoc(doc, stdout);
- if ( content )
- mkd_generatehtml(doc, stdout);
- mkd_cleanup(doc);
- }
- }
- }
- mkd_deallocate_tags();
- adump();
- exit( (rc == 0) ? 0 : errno );
- }
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