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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "cmark.h"
#include "debug.h"
void print_usage()
{
printf("Usage: cmark [FILE*]\n");
printf("Options: --help, -h Print usage information\n");
printf(" --ast Print AST instead of HTML\n");
printf(" --version Print version\n");
}
static void print_document(node_block *document, bool ast)
{
strbuf html = GH_BUF_INIT;
if (ast) {
cmark_debug_print(document);
} else {
cmark_render_html(&html, document);
printf("%s", html.ptr);
strbuf_free(&html);
}
}
int main(int argc, char *argv[])
{
int i, numfps = 0;
bool ast = false;
int files[argc];
node_block *document = NULL;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "--version") == 0) {
printf("cmark %s", VERSION);
printf(" - CommonMark converter (c) 2014 John MacFarlane\n");
exit(0);
} else if ((strcmp(argv[i], "--help") == 0) ||
(strcmp(argv[i], "-h") == 0)) {
print_usage();
exit(0);
} else if (strcmp(argv[i], "--ast") == 0) {
ast = true;
} else if (*argv[i] == '-') {
print_usage();
exit(1);
} else { // treat as file argument
files[numfps++] = i;
}
}
if (numfps == 0) {
document = cmark_parse_file(stdin);
print_document(document, ast);
cmark_free_nodes(document);
} else {
for (i = 0; i < numfps; i++) {
FILE *fp = fopen(argv[files[i]], "r");
if (fp == NULL) {
fprintf(stderr, "Error opening file %s: %s\n",
argv[files[i]], strerror(errno));
exit(1);
}
document = cmark_parse_file(fp);
print_document(document, ast);
cmark_free_nodes(document);
fclose(fp);
}
}
return 0;
}
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