Page Speed Optimization Libraries  1.2.24.1
net/instaweb/util/public/data_url.h
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00001 /*
00002  * Copyright 2010 Google Inc.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *      http:///www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00018 
00019 #ifndef NET_INSTAWEB_UTIL_PUBLIC_DATA_URL_H_
00020 #define NET_INSTAWEB_UTIL_PUBLIC_DATA_URL_H_
00021 
00022 #include "net/instaweb/util/public/string.h"
00023 #include "net/instaweb/util/public/string_util.h"
00024 
00025 namespace net_instaweb {
00026 struct ContentType;
00027 
00028 enum Encoding {
00029   UNKNOWN,  
00030   BASE64,
00033   PLAIN
00034 };
00035 
00047 void DataUrl(const ContentType& content_type, const Encoding encoding,
00048              const StringPiece& content, GoogleString* result);
00049 
00053 bool ParseDataUrl(const StringPiece& url,
00054                   const ContentType** content_type,
00055                   Encoding* encoding,
00056                   StringPiece* encoded_content);
00057 
00058 bool DecodeDataUrlContent(Encoding encoding,
00059                           const StringPiece& encoded_content,
00060                           GoogleString* decoded_content);
00061 
00062 }  
00063 
00064 #endif  ///< NET_INSTAWEB_UTIL_PUBLIC_DATA_URL_H_
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