resource_tag_scanner.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 NET_INSTAWEB_REWRITER_PUBLIC_RESOURCE_TAG_SCANNER_H_
#define NET_INSTAWEB_REWRITER_PUBLIC_RESOURCE_TAG_SCANNER_H_

#include <cstddef>  
#include <vector>

#include "pagespeed/kernel/html/html_element.h"
#include "pagespeed/kernel/http/semantic_type.h"

namespace net_instaweb {

class RewriteOptions;

namespace resource_tag_scanner {

struct UrlCategoryPair {
  HtmlElement::Attribute* url;
  semantic_type::Category category;

  UrlCategoryPair()
      : url(NULL),
        category(semantic_type::kUndefined) {}
};

typedef std::vector<UrlCategoryPair> UrlCategoryVector;

semantic_type::Category CategorizeAttribute(
    const HtmlElement* element,
    const HtmlElement::Attribute* attribute,
    const RewriteOptions* options);

void ScanElement(HtmlElement* element, const RewriteOptions* options,
                 UrlCategoryVector* attributes);

}  
}  

#endif