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1 // Copyright 2014 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 XFA_FDE_CSS_CFDE_CSSDECLARATION_H_
8 #define XFA_FDE_CSS_CFDE_CSSDECLARATION_H_
9 
10 #include <memory>
11 #include <utility>
12 #include <vector>
13 
14 #include "xfa/fde/css/fde_cssdatatable.h"
15 
16 class CFDE_CSSPropertyHolder;
17 class CFDE_CSSCustomProperty;
18 
19 class CFDE_CSSDeclaration {
20  public:
21   using const_prop_iterator =
22       std::vector<std::unique_ptr<CFDE_CSSPropertyHolder>>::const_iterator;
23   using const_custom_iterator =
24       std::vector<std::unique_ptr<CFDE_CSSCustomProperty>>::const_iterator;
25 
26   static bool ParseCSSString(const FX_WCHAR* pszValue,
27                              int32_t iValueLen,
28                              int32_t* iOffset,
29                              int32_t* iLength);
30   static bool ParseCSSColor(const FX_WCHAR* pszValue,
31                             int32_t iValueLen,
32                             FX_ARGB* dwColor);
33 
34   CFDE_CSSDeclaration();
35   ~CFDE_CSSDeclaration();
36 
37   CFX_RetainPtr<CFDE_CSSValue> GetProperty(FDE_CSSProperty eProperty,
38                                            bool* bImportant) const;
39 
begin()40   const_prop_iterator begin() const { return properties_.begin(); }
end()41   const_prop_iterator end() const { return properties_.end(); }
42 
custom_begin()43   const_custom_iterator custom_begin() const {
44     return custom_properties_.begin();
45   }
custom_end()46   const_custom_iterator custom_end() const { return custom_properties_.end(); }
47 
empty()48   bool empty() const { return properties_.empty(); }
49 
50   void AddProperty(const FDE_CSSPropertyTable* pTable,
51                    const CFX_WideStringC& value);
52   void AddProperty(const CFX_WideString& prop, const CFX_WideString& value);
53 
54   size_t PropertyCountForTesting() const;
55 
56   FX_ARGB ParseColorForTest(const FX_WCHAR* pszValue,
57                             int32_t iValueLen,
58                             FX_ARGB* dwColor) const;
59 
60  private:
61   void ParseFontProperty(const FX_WCHAR* pszValue,
62                          int32_t iValueLen,
63                          bool bImportant);
64   bool ParseBorderProperty(const FX_WCHAR* pszValue,
65                            int32_t iValueLen,
66                            CFX_RetainPtr<CFDE_CSSValue>& pWidth) const;
67   void ParseValueListProperty(const FDE_CSSPropertyTable* pTable,
68                               const FX_WCHAR* pszValue,
69                               int32_t iValueLen,
70                               bool bImportant);
71   void Add4ValuesProperty(const std::vector<CFX_RetainPtr<CFDE_CSSValue>>& list,
72                           bool bImportant,
73                           FDE_CSSProperty eLeft,
74                           FDE_CSSProperty eTop,
75                           FDE_CSSProperty eRight,
76                           FDE_CSSProperty eBottom);
77   CFX_RetainPtr<CFDE_CSSValue> ParseNumber(const FX_WCHAR* pszValue,
78                                            int32_t iValueLen);
79   CFX_RetainPtr<CFDE_CSSValue> ParseEnum(const FX_WCHAR* pszValue,
80                                          int32_t iValueLen);
81   CFX_RetainPtr<CFDE_CSSValue> ParseColor(const FX_WCHAR* pszValue,
82                                           int32_t iValueLen);
83   CFX_RetainPtr<CFDE_CSSValue> ParseString(const FX_WCHAR* pszValue,
84                                            int32_t iValueLen);
85   void AddPropertyHolder(FDE_CSSProperty eProperty,
86                          CFX_RetainPtr<CFDE_CSSValue> pValue,
87                          bool bImportant);
88 
89   std::vector<std::unique_ptr<CFDE_CSSPropertyHolder>> properties_;
90   std::vector<std::unique_ptr<CFDE_CSSCustomProperty>> custom_properties_;
91 };
92 
93 #endif  // XFA_FDE_CSS_CFDE_CSSDECLARATION_H_
94