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/*
* blogc: A blog compiler.
* Copyright (C) 2014-2017 Rafael G. Martins <rafael@rafaelmartins.eng.br>
*
* This program can be distributed under the terms of the BSD License.
* See the file LICENSE.
*/
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include "../common/error.h"
#include "../common/utils.h"
#include "settings.h"
#include "utils.h"
#include "atom.h"
static const char atom_template[] =
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
"<feed xmlns=\"http://www.w3.org/2005/Atom\">\n"
" <title type=\"text\">{{ SITE_TITLE }}{%% ifdef FILTER_TAG %%} - "
"{{ FILTER_TAG }}{%% endif %%}</title>\n"
" <id>{{ BASE_URL }}%s</id>\n"
" <updated>{{ DATE_FIRST_FORMATTED }}</updated>\n"
" <link href=\"{{ BASE_DOMAIN }}{{ BASE_URL }}/\" />\n"
" <link href=\"{{ BASE_DOMAIN }}{{ BASE_URL }}%s\" rel=\"self\" />\n"
" <author>\n"
" <name>{{ AUTHOR_NAME }}</name>\n"
" <email>{{ AUTHOR_EMAIL }}</email>\n"
" </author>\n"
" <subtitle type=\"text\">{{ SITE_TAGLINE }}</subtitle>\n"
" {%% block listing %%}\n"
" <entry>\n"
" <title type=\"text\">{{ TITLE }}</title>\n"
" <id>{{ BASE_URL }}%s</id>\n"
" <updated>{{ DATE_FORMATTED }}</updated>\n"
" <published>{{ DATE_FORMATTED }}</published>\n"
" <link href=\"{{ BASE_DOMAIN }}{{ BASE_URL }}%s\" />\n"
" <author>\n"
" <name>{{ AUTHOR_NAME }}</name>\n"
" <email>{{ AUTHOR_EMAIL }}</email>\n"
" </author>\n"
" <content type=\"html\"><![CDATA[{{ CONTENT }}]]></content>\n"
" </entry>\n"
" {%% endblock %%}\n"
"</feed>\n";
char*
bm_atom_deploy(bm_settings_t *settings, bc_error_t **err)
{
if (settings == NULL || err == NULL || *err != NULL)
return NULL;
// this is not really portable
char fname[] = "/tmp/blogc-make_XXXXXX";
int fd;
if (-1 == (fd = mkstemp(fname))) {
*err = bc_error_new_printf(BLOGC_MAKE_ERROR_ATOM,
"Failed to create temporary atom template: %s", strerror(errno));
return NULL;
}
const char *atom_prefix = bc_trie_lookup(settings->settings, "atom_prefix");
const char *atom_ext = bc_trie_lookup(settings->settings, "atom_ext");
const char *post_prefix = bc_trie_lookup(settings->settings, "post_prefix");
const char *post_ext = bc_trie_lookup(settings->settings, "html_ext");
bc_string_t *atom_url = bc_string_new();
if (atom_prefix[0] != '\0')
bc_string_append_c(atom_url, '/');
bc_string_append(atom_url, atom_prefix);
bc_string_append(atom_url, "{% ifdef FILTER_TAG %}/{{ FILTER_TAG }}");
if (atom_prefix[0] == '\0' && atom_ext[0] != '/')
bc_string_append(atom_url, "{% else %}/index");
bc_string_append(atom_url, "{% endif %}");
bc_string_append(atom_url, atom_ext);
char *post_url = bm_generate_filename(NULL, post_prefix, "{{ FILENAME }}",
post_ext);
char *entry_id = NULL;
if (bc_str_to_bool(bc_trie_lookup(settings->settings, "atom_legacy_entry_id"))) {
entry_id = bc_strdup_printf("%s%s/{{ FILENAME }}/",
post_prefix[0] == '\0' ? "" : "/", post_prefix);
}
else {
entry_id = bc_strdup(post_url);
}
char *content = bc_strdup_printf(atom_template, atom_url->str, atom_url->str,
entry_id, post_url);
bc_string_free(atom_url, true);
free(post_url);
free(entry_id);
if (-1 == write(fd, content, strlen(content))) {
*err = bc_error_new_printf(BLOGC_MAKE_ERROR_ATOM,
"Failed to write to temporary atom template: %s", strerror(errno));
free(content);
close(fd);
unlink(fname);
return NULL;
}
free(content);
close(fd);
return bc_strdup(fname);
}
void
bm_atom_destroy(const char *fname)
{
unlink(fname);
}
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