129 lines
2.9 KiB
C
129 lines
2.9 KiB
C
/*
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* Copyright 2010 John-Mark Bell <jmb@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "utils/http.h"
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#include "utils/http/generics.h"
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#include "utils/http/parameter_internal.h"
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#include "utils/http/primitives.h"
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/* See content-type.h for documentation */
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nserror http_parse_content_type(const char *header_value,
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http_content_type **result)
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{
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const char *pos = header_value;
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lwc_string *type;
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lwc_string *subtype = NULL;
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http_parameter *params = NULL;
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char *mime;
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size_t mime_len;
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lwc_string *imime;
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http_content_type *ct;
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nserror error;
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/* type "/" subtype *( ";" parameter ) */
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http__skip_LWS(&pos);
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error = http__parse_token(&pos, &type);
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if (error != NSERROR_OK)
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return error;
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http__skip_LWS(&pos);
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if (*pos != '/') {
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lwc_string_unref(type);
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return NSERROR_NOT_FOUND;
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}
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pos++;
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http__skip_LWS(&pos);
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error = http__parse_token(&pos, &subtype);
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if (error != NSERROR_OK) {
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lwc_string_unref(type);
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return error;
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}
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http__skip_LWS(&pos);
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if (*pos == ';') {
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error = http__item_list_parse(&pos,
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http__parse_parameter, NULL, ¶ms);
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if (error != NSERROR_OK && error != NSERROR_NOT_FOUND) {
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lwc_string_unref(subtype);
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lwc_string_unref(type);
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return error;
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}
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}
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/* <type> + <subtype> + '/' */
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mime_len = lwc_string_length(type) + lwc_string_length(subtype) + 1;
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mime = malloc(mime_len + 1);
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if (mime == NULL) {
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http_parameter_list_destroy(params);
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lwc_string_unref(subtype);
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lwc_string_unref(type);
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return NSERROR_NOMEM;
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}
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sprintf(mime, "%.*s/%.*s",
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(int) lwc_string_length(type), lwc_string_data(type),
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(int) lwc_string_length(subtype), lwc_string_data(subtype));
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lwc_string_unref(subtype);
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lwc_string_unref(type);
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if (lwc_intern_string(mime, mime_len, &imime) != lwc_error_ok) {
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http_parameter_list_destroy(params);
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free(mime);
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return NSERROR_NOMEM;
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}
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free(mime);
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ct = malloc(sizeof(*ct));
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if (ct == NULL) {
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lwc_string_unref(imime);
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http_parameter_list_destroy(params);
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return NSERROR_NOMEM;
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}
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ct->media_type = imime;
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ct->parameters = params;
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*result = ct;
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return NSERROR_OK;
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}
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/* See content-type.h for documentation */
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void http_content_type_destroy(http_content_type *victim)
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{
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lwc_string_unref(victim->media_type);
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http_parameter_list_destroy(victim->parameters);
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free(victim);
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}
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