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/*
* blogc: A blog compiler.
* Copyright (C) 2014-2019 Rafael G. Martins <rafael@rafaelmartins.eng.br>
*
* This program can be distributed under the terms of the BSD License.
* See the file LICENSE.
*/
#include <stdbool.h>
#include <string.h>
#include "../common/utils.h"
char*
bm_generate_filename(const char *dir, const char *prefix, const char *fname,
const char *ext)
{
bool have_prefix = prefix != NULL && prefix[0] != '\0';
bool have_fname = fname != NULL && fname[0] != '\0';
bool have_ext = ext != NULL && ext[0] != '\0';
bool have_ext_noslash = have_ext && ext[0] != '/';
bool is_index = have_fname && have_ext && (
(0 == strcmp(fname, "index")) && ext[0] == '/');
bc_string_t *rv = bc_string_new();
if (dir != NULL && (have_prefix || have_fname || have_ext))
bc_string_append(rv, dir);
if ((have_prefix || have_fname || have_ext_noslash) && !is_index)
bc_string_append_c(rv, '/');
if (have_prefix)
bc_string_append(rv, prefix);
// with fname we have posts, pages and tags
if (have_fname) {
if (have_prefix && have_fname && fname[0] != '/')
bc_string_append_c(rv, '/');
if (!is_index)
bc_string_append(rv, fname);
}
// no fname means index
else if (have_ext_noslash) {
if (have_fname)
bc_string_append_c(rv, '/');
if (!have_prefix)
bc_string_append(rv, "index");
}
if (have_ext)
bc_string_append(rv, ext);
if (rv->len == 0) {
bc_string_free(rv, true);
return NULL;
}
return bc_string_free(rv, false);
}
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