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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 <libgen.h>
#include <stdbool.h>
#include <stdlib.h>
#include "../common/config-parser.h"
#include "../common/error.h"
#include "../common/file.h"
#include "../common/utils.h"
#include "settings.h"
static const struct default_settings_map {
const char *key;
const char *default_value;
} default_settings[] = {
// source
{"content_dir", "content"},
{"template_dir", "templates"},
{"atom_template", NULL}, // default: atom.c
{"main_template", "main.tmpl"},
{"source_ext", ".txt"},
{"listing_entry", NULL},
{"posts_sort", NULL},
// pagination
{"pagination_prefix", "page"},
{"posts_per_page", "10"},
{"atom_posts_per_page", "10"},
// html
{"html_ext", "/index.html"},
{"index_prefix", ""},
{"post_prefix", "post"},
{"tag_prefix", "tag"},
{"html_order", "DESC"},
// atom
{"atom_prefix", "atom"},
{"atom_ext", ".xml"},
{"atom_order", "DESC"},
{"atom_legacy_entry_id", NULL},
// generic
{"date_format", "%b %d, %Y, %I:%M %p GMT"},
{"locale", NULL},
{NULL, NULL},
};
static const char* required_global[] = {
"AUTHOR_NAME",
"AUTHOR_EMAIL",
"SITE_TITLE",
"SITE_TAGLINE",
"BASE_DOMAIN",
NULL,
};
static const char* list_sections[] = {
"posts",
"pages",
"copy",
"copy_files", // backward compatibility
"tags",
NULL,
};
bm_settings_t*
bm_settings_parse(const char *content, size_t content_len, bc_error_t **err)
{
if (err == NULL || *err != NULL)
return NULL;
if (content == NULL)
return NULL;
bc_config_t *config = bc_config_parse(content, content_len, list_sections,
err);
if (config == NULL || (err != NULL && *err != NULL))
return NULL;
bm_settings_t *rv = bc_malloc(sizeof(bm_settings_t));
rv->global = bc_trie_new(free);
rv->settings = bc_trie_new(free);
rv->posts = NULL;
rv->pages = NULL;
rv->copy = NULL;
rv->tags = NULL;
// this is some code for compatibility with the [environment] section,
// even if I never released a version with it, but some people is using
// it already.
const char *section = NULL;
char **global = bc_config_list_keys(config, "global");
if (global != NULL) {
section = "global";
}
else {
global = bc_config_list_keys(config, "environment");
if (global != NULL) {
section = "environment";
}
else {
section = "global";
}
}
if (global != NULL) {
for (size_t i = 0; global[i] != NULL; i++) {
for (size_t j = 0; global[i][j] != '\0'; j++) {
if (!((global[i][j] >= 'A' && global[i][j] <= 'Z') || global[i][j] == '_')) {
*err = bc_error_new_printf(BLOGC_MAKE_ERROR_SETTINGS,
"Invalid [%s] key: %s", section, global[i]);
bc_strv_free(global);
bm_settings_free(rv);
rv = NULL;
goto cleanup;
}
}
bc_trie_insert(rv->global, global[i],
bc_strdup(bc_config_get(config, section, global[i])));
}
}
bc_strv_free(global);
for (size_t i = 0; required_global[i] != NULL; i++) {
const char *value = bc_trie_lookup(rv->global, required_global[i]);
if (value == NULL || value[0] == '\0') {
*err = bc_error_new_printf(BLOGC_MAKE_ERROR_SETTINGS,
"[%s] key required but not found or empty: %s", section,
required_global[i]);
bm_settings_free(rv);
rv = NULL;
goto cleanup;
}
}
for (size_t i = 0; default_settings[i].key != NULL; i++) {
const char *value = bc_config_get_with_default(
config, "settings", default_settings[i].key,
default_settings[i].default_value);
if (value != NULL) {
bc_trie_insert(rv->settings, default_settings[i].key,
bc_strdup(value));
}
}
rv->posts = bc_config_get_list(config, "posts");
rv->pages = bc_config_get_list(config, "pages");
rv->tags = bc_config_get_list(config, "tags");
// this is for backward compatibility too.
rv->copy = bc_config_get_list(config, "copy");
if (rv->copy == NULL)
rv->copy = bc_config_get_list(config, "copy_files");
cleanup:
bc_config_free(config);
return rv;
}
void
bm_settings_free(bm_settings_t *settings)
{
if (settings == NULL)
return;
bc_trie_free(settings->global);
bc_trie_free(settings->settings);
bc_strv_free(settings->posts);
bc_strv_free(settings->pages);
bc_strv_free(settings->copy);
bc_strv_free(settings->tags);
free(settings);
}
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