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css_inline_import_to_link_filter.h
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1 /*
2  * Copyright 2011 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
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8  * http:///www.apache.org/licenses/LICENSE-2.0
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13  * See the License for the specific language governing permissions and
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15  */
16 
18 
19 #ifndef NET_INSTAWEB_REWRITER_PUBLIC_CSS_INLINE_IMPORT_TO_LINK_FILTER_H_
20 #define NET_INSTAWEB_REWRITER_PUBLIC_CSS_INLINE_IMPORT_TO_LINK_FILTER_H_
21 
22 #include "net/instaweb/htmlparse/public/empty_html_filter.h"
24 
25 namespace net_instaweb {
26 
27 class HtmlCharactersNode;
28 class HtmlElement;
29 class RewriteDriver;
30 class Statistics;
31 class Variable;
32 
38 class CssInlineImportToLinkFilter : public EmptyHtmlFilter {
39  public:
41  Statistics* statistics);
42  virtual ~CssInlineImportToLinkFilter();
43 
44  static void InitStats(Statistics* statistics);
45 
46  virtual void StartDocument();
47  virtual void EndDocument();
48 
49  virtual void StartElement(HtmlElement* element);
50  virtual void EndElement(HtmlElement* element);
51 
52  virtual void Flush();
53 
55  virtual void Characters(HtmlCharactersNode* characters);
56 
57  virtual const char* Name() const { return "InlineImportToLinkCss"; }
58 
59  private:
60  void ResetState();
61  void InlineImportToLinkStyle();
62 
63  RewriteDriver* driver_;
66  HtmlElement* style_element_;
68  HtmlCharactersNode* style_characters_;
70  Variable* counter_;
71 
72  DISALLOW_COPY_AND_ASSIGN(CssInlineImportToLinkFilter);
73 };
74 
75 }
76 
77 #endif
virtual void Characters(HtmlCharactersNode *characters)
HTML Events we expect to be in a <style> element.
Definition: css_inline_import_to_link_filter.h:38
Definition: rewrite_driver.h:98