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/*
* stylesheet.c
*
* Copyright © 2013-2018 Thomas White <taw@bitwiz.org.uk>
*
* This file is part of Colloquium.
*
* Colloquium is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <json-glib/json-glib.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <gio/gio.h>
#include "stylesheet.h"
#include "utils.h"
struct _stylesheet {
JsonNode *root;
};
Stylesheet *stylesheet_load(GFile *file)
{
JsonParser *parser;
gboolean r;
GError *err = NULL;
Stylesheet *ss;
char *everything;
gsize len;
printf("Trying stylesheet '%s'\n", g_file_get_uri(file));
ss = calloc(1, sizeof(Stylesheet));
if ( ss == NULL ) return NULL;
parser = json_parser_new();
if ( !g_file_load_contents(file, NULL, &everything, &len, NULL, NULL) ) {
fprintf(stderr, _("Failed to load stylesheet '%s'\n"),
g_file_get_uri(file));
return NULL;
}
r = json_parser_load_from_data(parser, everything, len, &err);
if ( r == FALSE ) {
fprintf(stderr, "Failed to load style sheet: '%s'\n", err->message);
return NULL;
}
ss->root = json_parser_steal_root(parser);
g_object_unref(parser);
return ss;
}
char *stylesheet_lookup(Stylesheet *ss, const char *path)
{
JsonNode *node;
JsonArray *array;
GError *err = NULL;
char *ret;
const gchar *v;
node = json_path_query(path, ss->root, &err);
array = json_node_get_array(node);
if ( json_array_get_length(array) < 1 ) {
json_node_unref(node);
return NULL;
}
v = json_array_get_string_element(array, 0);
if ( v == NULL ) {
printf("%s not a string\n", path);
return NULL;
}
ret = strdup(v);
json_node_unref(node);
return ret;
}
void stylesheet_free(Stylesheet *ss)
{
g_object_unref(ss->root);
free(ss);
}
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