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/*
* Copyright 2010 John-Mark Bell <jmb@netsurf-browser.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/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "utils/http.h"
#include "utils/http/generics.h"
#include "utils/http/parameter_internal.h"
#include "utils/http/primitives.h"
/* See content-type.h for documentation */
nserror http_parse_content_type(const char *header_value,
http_content_type **result)
{
const char *pos = header_value;
lwc_string *type;
lwc_string *subtype = NULL;
http_parameter *params = NULL;
char *mime;
size_t mime_len;
lwc_string *imime;
http_content_type *ct;
nserror error;
/* type "/" subtype *( ";" parameter ) */
http__skip_LWS(&pos);
error = http__parse_token(&pos, &type);
if (error != NSERROR_OK)
return error;
http__skip_LWS(&pos);
if (*pos != '/') {
lwc_string_unref(type);
return NSERROR_NOT_FOUND;
}
pos++;
http__skip_LWS(&pos);
error = http__parse_token(&pos, &subtype);
if (error != NSERROR_OK) {
lwc_string_unref(type);
return error;
}
http__skip_LWS(&pos);
if (*pos == ';') {
error = http__item_list_parse(&pos,
http__parse_parameter, NULL, ¶ms);
if (error != NSERROR_OK && error != NSERROR_NOT_FOUND) {
lwc_string_unref(subtype);
lwc_string_unref(type);
return error;
}
}
/* <type> + <subtype> + '/' */
mime_len = lwc_string_length(type) + lwc_string_length(subtype) + 1;
mime = malloc(mime_len + 1);
if (mime == NULL) {
http_parameter_list_destroy(params);
lwc_string_unref(subtype);
lwc_string_unref(type);
return NSERROR_NOMEM;
}
sprintf(mime, "%.*s/%.*s",
(int) lwc_string_length(type), lwc_string_data(type),
(int) lwc_string_length(subtype), lwc_string_data(subtype));
lwc_string_unref(subtype);
lwc_string_unref(type);
if (lwc_intern_string(mime, mime_len, &imime) != lwc_error_ok) {
http_parameter_list_destroy(params);
free(mime);
return NSERROR_NOMEM;
}
free(mime);
ct = malloc(sizeof(*ct));
if (ct == NULL) {
lwc_string_unref(imime);
http_parameter_list_destroy(params);
return NSERROR_NOMEM;
}
ct->media_type = imime;
ct->parameters = params;
*result = ct;
return NSERROR_OK;
}
/* See content-type.h for documentation */
void http_content_type_destroy(http_content_type *victim)
{
lwc_string_unref(victim->media_type);
http_parameter_list_destroy(victim->parameters);
free(victim);
}
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