| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | /* main.c - main function for markdown module testing */
/*
* Copyright (c) 2009, Natacha Porté
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "markdown.h"
#include "renderers.h"
#include <errno.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define READ_UNIT 1024
#define OUTPUT_UNIT 64
/* buffer statistics, to track some memleaks */
extern long buffer_stat_nb;
extern size_t buffer_stat_alloc_bytes;
/* usage • print the option list */
void
usage(FILE *out, const char *name) {
fprintf(out, "Usage: %s [-h | -x] [-d | -m | -n] [input-file]\n\n",
name);
fprintf(out, "\t-d, --discount\n"
"\t\tEnable some Discount extensions (image size specficiation,\n"
"\t\tclass blocks and 'abbr:', 'class:', 'id:' and 'raw:'\n"
"\t\tpseudo-protocols)\n"
"\t-H, --html\n"
"\t\tOutput HTML-style self-closing tags (e.g. <br>)\n"
"\t-h, --help\n"
"\t\tDisplay this help text and exit without further processing\n"
"\t-m, --markdown\n"
"\t\tDisable all extensions and use strict markdown syntax\n"
"\t-n, --natext\n"
"\t\tEnable support Discount extensions and Natasha's own\n"
"\t\textensions (id header attribute, class paragraph attribute,\n"
"\t\t'ins' and 'del' elements, and plain span elements)\n"
"\t-x, --xhtml\n"
"\t\tOutput XHTML-style self-closing tags (e.g. <br />)\n"); }
/* main • main function, interfacing STDIO with the parser */
int
main(int argc, char **argv) {
struct buf *ib, *ob;
size_t ret;
FILE *in = stdin;
const struct mkd_renderer *hrndr, *xrndr;
const struct mkd_renderer **prndr;
int ch, argerr, help;
struct option longopts[] = {
{ "discount", no_argument, 0, 'd' },
{ "html", no_argument, 0, 'H' },
{ "help", no_argument, 0, 'h' },
{ "markdown", no_argument, 0, 'm' },
{ "natext", no_argument, 0, 'n' },
{ "xhtml", no_argument, 0, 'x' },
{ 0, 0, 0, 0 } };
/* default options: strict markdown input, HTML output */
hrndr = &mkd_html;
xrndr = &mkd_xhtml;
prndr = &hrndr;
/* argument parsing */
argerr = help = 0;
while (!argerr &&
(ch = getopt_long(argc, argv, "dHhmnx", longopts, 0)) != -1)
switch (ch) {
case 'd': /* discount extension */
hrndr = &discount_html;
xrndr = &discount_xhtml;
break;
case 'H': /* HTML output */
prndr = &hrndr;
break;
case 'h': /* display help */
argerr = help = 1;
break;
case 'm': /* strict markdown */
hrndr = &mkd_html;
xrndr = &mkd_xhtml;
break;
case 'n': /* Discount + Natasha's extensions */
hrndr = &nat_html;
xrndr = &nat_xhtml;
break;
case 'x': /* XHTML output */
prndr = &xrndr;
break;
default:
argerr = 1; }
if (argerr) {
usage(help ? stdout : stderr, argv[0]);
return help ? EXIT_SUCCESS : EXIT_FAILURE; }
argc -= optind;
argv += optind;
/* opening the file if given from the command line */
if (argc > 0) {
in = fopen(argv[0], "r");
if (!in) {
fprintf(stderr,"Unable to open input file \"%s\": %s\n",
argv[0], strerror(errno));
return 1; } }
/* reading everything */
ib = bufnew(READ_UNIT);
bufgrow(ib, READ_UNIT);
while ((ret = fread(ib->data + ib->size, 1,
ib->asize - ib->size, in)) > 0) {
ib->size += ret;
bufgrow(ib, ib->size + READ_UNIT); }
if (in != stdin) fclose(in);
/* performing markdown parsing */
ob = bufnew(OUTPUT_UNIT);
markdown(ob, ib, *prndr);
/* writing the result to stdout */
ret = fwrite(ob->data, 1, ob->size, stdout);
if (ret < ob->size)
fprintf(stderr, "Warning: only %zu output byte written, "
"out of %zu\n",
ret,
ob->size);
/* cleanup */
bufrelease(ib);
bufrelease(ob);
/* memory checks */
if (buffer_stat_nb)
fprintf(stderr, "Warning: %ld buffers still active\n",
buffer_stat_nb);
if (buffer_stat_alloc_bytes)
fprintf(stderr, "Warning: %zu bytes still allocated\n",
buffer_stat_alloc_bytes);
return 0; }
/* vim: set filetype=c: */
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