content_type.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_CONTENT_TYPE_H_
#define PAGESPEED_KERNEL_HTTP_CONTENT_TYPE_H_

#include <set>

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

namespace net_instaweb {

struct ContentType {
 public:
  enum Type {
    kHtml,
    kXhtml,
    kCeHtml,  
    kJavascript,
    kCss,
    kText,
    kXml,
    kPng,
    kGif,
    kJpeg,
    kSwf,
    kWebp,
    kIco,
    kJson,
    kSourceMap,
    kPdf,
    kVideo,
    kAudio,
    kOctetStream,  
    kOther,  
  };

  static int MaxProducedExtensionLength();

  const char* mime_type() const { return mime_type_; }
  const char* file_extension() const { return file_extension_; }
  Type type() const { return type_; }

  bool IsCss() const;

  bool IsJsLike() const;

  bool IsHtmlLike() const;

  bool IsXmlLike() const;

  bool IsFlash() const;

  bool IsImage() const;

  bool IsVideo() const;

  bool IsAudio() const;

  bool IsLikelyStaticResource() const;

  bool IsCompressible() const;

  const char* mime_type_;
  const char* file_extension_; 
  Type type_;
};

extern const ContentType& kContentTypeHtml;
extern const ContentType& kContentTypeXhtml;
extern const ContentType& kContentTypeCeHtml;
extern const ContentType& kContentTypeJavascript;
extern const ContentType& kContentTypeCss;
extern const ContentType& kContentTypeText;
extern const ContentType& kContentTypeXml;
extern const ContentType& kContentTypeJson;
extern const ContentType& kContentTypeSourceMap;
extern const ContentType& kContentTypePng;
extern const ContentType& kContentTypeGif;
extern const ContentType& kContentTypeJpeg;
extern const ContentType& kContentTypeSwf;
extern const ContentType& kContentTypeWebp;
extern const ContentType& kContentTypeIco;
extern const ContentType& kContentTypePdf;

extern const ContentType& kContentTypeBinaryOctetStream;

const ContentType* NameExtensionToContentType(const StringPiece& name);
const ContentType* MimeTypeToContentType(const StringPiece& mime_type);

bool ParseContentType(const StringPiece& content_type_str,
                      GoogleString* mime_type,
                      GoogleString* charset);

void MimeTypeListToContentTypeSet(
    const GoogleString& in,
    std::set<const ContentType*>* out);

}  

#endif