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      1 // Copyright 2017 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #ifndef CORE_FXCRT_CSS_CFX_CSSRULECOLLECTION_H_
      8 #define CORE_FXCRT_CSS_CFX_CSSRULECOLLECTION_H_
      9 
     10 #include <map>
     11 #include <memory>
     12 #include <vector>
     13 
     14 #include "core/fxcrt/fx_string.h"
     15 
     16 class CFX_CSSDeclaration;
     17 class CFX_CSSSelector;
     18 class CFX_CSSStyleRule;
     19 class CFX_CSSStyleSheet;
     20 
     21 class CFX_CSSRuleCollection {
     22  public:
     23   class Data {
     24    public:
     25     Data(CFX_CSSSelector* pSel, CFX_CSSDeclaration* pDecl);
     26 
     27     CFX_CSSSelector* const pSelector;
     28     CFX_CSSDeclaration* const pDeclaration;
     29   };
     30 
     31   CFX_CSSRuleCollection();
     32   ~CFX_CSSRuleCollection();
     33 
     34   void AddRulesFrom(const CFX_CSSStyleSheet* sheet);
     35   void Clear();
     36   int32_t CountSelectors() const { return m_iSelectors; }
     37 
     38   const std::vector<std::unique_ptr<Data>>* GetTagRuleData(
     39       const WideString& tagname) const;
     40 
     41  private:
     42   void AddRulesFrom(const CFX_CSSStyleSheet* pStyleSheet,
     43                     CFX_CSSStyleRule* pRule);
     44 
     45   std::map<uint32_t, std::vector<std::unique_ptr<Data>>> m_TagRules;
     46   int32_t m_iSelectors;
     47 };
     48 
     49 #endif  // CORE_FXCRT_CSS_CFX_CSSRULECOLLECTION_H_
     50