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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "config.h"
#include "cmark.h"
#include "debug.h"
#include "bench.h"
typedef enum {
FORMAT_NONE,
FORMAT_HTML,
FORMAT_MAN,
FORMAT_AST
} writer_format;
void print_usage()
{
printf("Usage: cmark [FILE*]\n");
printf("Options:\n");
printf(" --to, -t FORMAT Specify output format (html, man, ast)\n");
printf(" --help, -h Print usage information\n");
printf(" --version Print version\n");
}
static void print_document(cmark_node *document, writer_format writer)
{
char *result;
switch (writer) {
case FORMAT_AST:
result = cmark_render_ast(document);
break;
case FORMAT_HTML:
result = cmark_render_html(document);
break;
case FORMAT_MAN:
result = cmark_render_man(document);
break;
default:
fprintf(stderr, "Unknown format %d\n", writer);
exit(1);
}
printf("%s", result);
free(result);
}
int main(int argc, char *argv[])
{
int i, numfps = 0;
int *files;
char buffer[4096];
cmark_parser *parser;
size_t bytes;
cmark_node *document;
writer_format writer = FORMAT_HTML;
parser = cmark_parser_new();
files = (int *)malloc(argc * sizeof(*files));
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "--version") == 0) {
printf("cmark %s", CMARK_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], "-t") == 0) ||
(strcmp(argv[i], "--to") == 0)) {
i += 1;
if (i < argc) {
if (strcmp(argv[i], "man") == 0) {
writer = FORMAT_MAN;
} else if (strcmp(argv[i], "html") == 0) {
writer = FORMAT_HTML;
} else if (strcmp(argv[i], "ast") == 0) {
writer = FORMAT_AST;
} else {
fprintf(stderr,
"Unknown format %s\n", argv[i]);
exit(1);
}
} else {
fprintf(stderr, "No argument provided for %s\n",
argv[i - 1]);
exit(1);
}
} else if (*argv[i] == '-') {
print_usage();
exit(1);
} else { // treat as file argument
files[numfps++] = i;
}
}
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);
}
start_timer();
while ((bytes = fread(buffer, 1, sizeof(buffer), fp)) > 0) {
cmark_parser_feed(parser, buffer, bytes);
if (bytes < sizeof(buffer)) {
break;
}
}
end_timer("processing lines");
fclose(fp);
}
if (numfps == 0) {
while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0) {
cmark_parser_feed(parser, buffer, bytes);
if (bytes < sizeof(buffer)) {
break;
}
}
}
start_timer();
document = cmark_parser_finish(parser);
end_timer("finishing document");
cmark_parser_free(parser);
start_timer();
print_document(document, writer);
end_timer("print_document");
start_timer();
cmark_node_free(document);
end_timer("free_blocks");
free(files);
return 0;
}
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