content.c

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/*
 * Copyright 2012 Vincent Sanders <vince@kyllikki.org>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf 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; version 2 of the License.
 *
 * NetSurf 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/>.
 */
 
/**
 * \file
 * javascript content implementation
 */
 
#include <assert.h>
#include <string.h>
#include <stdbool.h>
#include <stdlib.h>
 
#include "utils/errors.h"
#include "utils/config.h"
#include "content/content_protected.h"
#include "content/content_factory.h"
#include "content/hlcache.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utils.h"
#include "javascript/content.h"
 
typedef struct javascript_content {
        struct content base;
} javascript_content;
 
static nserror javascript_create(const content_handler *handler,
                lwc_string *imime_type, const struct http_parameter *params,
                llcache_handle *llcache, const char *fallback_charset,
                bool quirks, struct content **c)
{
        javascript_content *script;
        nserror error;
 
        script = calloc(1, sizeof(javascript_content));
        if (script == NULL)
                return NSERROR_NOMEM;
 
        error = content__init(&script->base, handler, imime_type, params,
                        llcache, fallback_charset, quirks);
        if (error != NSERROR_OK) {
                free(script);
                return error;
        }
 
        *c = (struct content *) script;
 
        return NSERROR_OK;
}
 
static bool javascript_convert(struct content *c)
{
        content_set_ready(c);
        content_set_done(c);
 
        return true;
}
 
static nserror 
javascript_clone(const struct content *old, struct content **newc)
{
        javascript_content *script;
        nserror error;
 
        script = calloc(1, sizeof(javascript_content));
        if (script == NULL)
                return NSERROR_NOMEM;
 
        error = content__clone(old, &script->base);
        if (error != NSERROR_OK) {
                content_destroy(&script->base);
                return error;
        }
 
        *newc = (struct content *) script;
 
        return NSERROR_OK;
}
 
static void javascript_destroy(struct content *c)
{
}
 
static content_type javascript_content_type(void)
{
        return CONTENT_JS;
}
 
 
static const content_handler javascript_content_handler = {
        .create = javascript_create,
        .data_complete = javascript_convert,
        .destroy = javascript_destroy,
        .clone = javascript_clone,
        .type = javascript_content_type,
        .no_share = false,
};
 
static const char *javascript_types[] = {
        "application/javascript", /* RFC 4329 */
        "application/ecmascript", /* RFC 4329 */
        "application/x-javascript", /* common usage */
        "text/javascript", /* common usage */
        "text/ecmascript", /* common usage */
};
 
CONTENT_FACTORY_REGISTER_TYPES(javascript, javascript_types, javascript_content_handler);