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Member "incubator-pagespeed-mod-1.14.36.1/net/instaweb/rewriter/public/add_head_filter.h" (28 Feb 2020, 1864 Bytes) of package /linux/www/apache_httpd_modules/incubator-pagespeed-mod-1.14.36.1.tar.gz:


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    1 /*
    2  * Licensed to the Apache Software Foundation (ASF) under one
    3  * or more contributor license agreements.  See the NOTICE file
    4  * distributed with this work for additional information
    5  * regarding copyright ownership.  The ASF licenses this file
    6  * to you under the Apache License, Version 2.0 (the
    7  * "License"); you may not use this file except in compliance
    8  * with the License.  You may obtain a copy of the License at
    9  * 
   10  *   http://www.apache.org/licenses/LICENSE-2.0
   11  * 
   12  * Unless required by applicable law or agreed to in writing,
   13  * software distributed under the License is distributed on an
   14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   15  * KIND, either express or implied.  See the License for the
   16  * specific language governing permissions and limitations
   17  * under the License.
   18  */
   19 
   20 
   21 #ifndef NET_INSTAWEB_REWRITER_PUBLIC_ADD_HEAD_FILTER_H_
   22 #define NET_INSTAWEB_REWRITER_PUBLIC_ADD_HEAD_FILTER_H_
   23 
   24 #include "pagespeed/kernel/base/basictypes.h"
   25 #include "pagespeed/kernel/html/empty_html_filter.h"
   26 
   27 namespace net_instaweb {
   28 class HtmlElement;
   29 class HtmlParse;
   30 
   31 // Guarantees there is a head element in HTML. This enables downstream
   32 // filters to assume that there will be a head.
   33 class AddHeadFilter : public EmptyHtmlFilter {
   34  public:
   35   explicit AddHeadFilter(HtmlParse* parser, bool combine_multiple_heads);
   36   virtual ~AddHeadFilter();
   37 
   38   virtual void StartDocument();
   39   virtual void StartElement(HtmlElement* element);
   40   virtual void EndDocument();
   41   virtual void EndElement(HtmlElement* element);
   42   virtual void Flush();
   43   virtual const char* Name() const { return "AddHead"; }
   44 
   45  private:
   46   HtmlParse* html_parse_;
   47   bool combine_multiple_heads_;
   48   bool found_head_;
   49   HtmlElement* head_element_;
   50 
   51   DISALLOW_COPY_AND_ASSIGN(AddHeadFilter);
   52 };
   53 
   54 }  // namespace net_instaweb
   55 
   56 #endif  // NET_INSTAWEB_REWRITER_PUBLIC_ADD_HEAD_FILTER_H_