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