data_url.h

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/*
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http:///www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


#ifndef PAGESPEED_KERNEL_HTTP_DATA_URL_H_
#define PAGESPEED_KERNEL_HTTP_DATA_URL_H_

#include "pagespeed/kernel/base/string.h"
#include "pagespeed/kernel/base/string_util.h"

namespace net_instaweb {
struct ContentType;

enum Encoding {
  UNKNOWN,  
  BASE64,
  PLAIN
};

void DataUrl(const ContentType& content_type, const Encoding encoding,
             const StringPiece& content, GoogleString* result);

bool IsDataUrl(const StringPiece url);

bool IsDataImageUrl(const StringPiece url);

bool ParseDataUrl(const StringPiece& url,
                  const ContentType** content_type,
                  Encoding* encoding,
                  StringPiece* encoded_content);

bool DecodeDataUrlContent(Encoding encoding,
                          const StringPiece& encoded_content,
                          GoogleString* decoded_content);

}  

#endif