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/*
* blogc: A blog compiler.
* Copyright (C) 2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
*
* This program can be distributed under the terms of the BSD License.
* See the file COPYING.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "utils/utils.h"
#include "source-parser.h"
#include "template-parser.h"
#include "loader.h"
#include "renderer.h"
#include "error.h"
static void
blogc_print_help(void)
{
printf(
"usage:\n"
" blogc [-h] -t TEMPLATE [-o OUTPUT] SOURCE [SOURCE ...] - A blog compiler.\n"
"\n"
"positional arguments:\n"
" SOURCE source file(s)\n"
"\n"
"optional arguments:\n"
" -h, --help show this help message and exit\n"
" -t TEMPLATE template file\n"
" -o OUTPUT output file\n");
}
static void
blogc_print_usage(void)
{
printf("usage: blogc [-h] -t TEMPLATE [-o OUTPUT] SOURCE [SOURCE ...]\n");
}
int
main(int argc, char **argv)
{
int rv = 0;
char *template = NULL;
char *output = NULL;
b_slist_t *sources = NULL;
for (int i = 1; i < argc; i++) {
if (argv[i][0] == '-') {
switch (argv[i][1]) {
case 'h':
blogc_print_help();
goto cleanup;
case 't':
if (i + 1 < argc)
template = b_strdup(argv[++i]);
break;
case 'o':
if (i + 1 < argc)
output = b_strdup(argv[++i]);
break;
}
}
else
sources = b_slist_append(sources, b_strdup(argv[i]));
}
if (template == NULL) {
blogc_print_usage();
fprintf(stderr, "blogc: error: argument -t is required\n");
rv = 2;
goto cleanup;
}
if (b_slist_length(sources) == 0) {
blogc_print_usage();
fprintf(stderr, "blogc: error: at least one source file is required\n");
rv = 2;
goto cleanup;
}
blogc_error_t *err = NULL;
b_slist_t* l = blogc_template_parse_from_file(template, &err);
if (err != NULL) {
blogc_error_print(err);
goto cleanup2;
}
b_slist_t *s = blogc_source_parse_from_files(sources, &err);
if (err != NULL) {
blogc_error_print(err);
goto cleanup3;
}
char *out = blogc_render(l, s);
printf("%s", out);
free(out);
cleanup3:
b_slist_free_full(s, blogc_source_free);
cleanup2:
blogc_template_free_stmts(l);
blogc_error_free(err);
cleanup:
free(template);
free(output);
b_slist_free_full(sources, free);
return rv;
}
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