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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef _XFA_FM_LEXER_H | 7 #ifndef _XFA_FM_LEXER_H |
8 #define _XFA_FM_LEXER_H | 8 #define _XFA_FM_LEXER_H |
9 | |
10 #include <memory> | |
11 | |
9 enum XFA_FM_TOKEN { | 12 enum XFA_FM_TOKEN { |
10 TOKand, | 13 TOKand, |
11 TOKlparen, | 14 TOKlparen, |
12 TOKrparen, | 15 TOKrparen, |
13 TOKmul, | 16 TOKmul, |
14 TOKplus, | 17 TOKplus, |
15 TOKcomma, | 18 TOKcomma, |
16 TOKminus, | 19 TOKminus, |
17 TOKdot, | 20 TOKdot, |
18 TOKdiv, | 21 TOKdiv, |
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
69 TOKstar, | 72 TOKstar, |
70 TOKidentifier, | 73 TOKidentifier, |
71 TOKunderscore, | 74 TOKunderscore, |
72 TOKdollar, | 75 TOKdollar, |
73 TOKexclamation, | 76 TOKexclamation, |
74 TOKcall, | 77 TOKcall, |
75 TOKstring, | 78 TOKstring, |
76 TOKnumber, | 79 TOKnumber, |
77 TOKreserver | 80 TOKreserver |
78 }; | 81 }; |
82 | |
79 struct XFA_FMKeyword { | 83 struct XFA_FMKeyword { |
80 XFA_FM_TOKEN m_type; | 84 XFA_FM_TOKEN m_type; |
81 uint32_t m_uHash; | 85 uint32_t m_uHash; |
82 const FX_WCHAR* m_keword; | 86 const FX_WCHAR* m_keword; |
83 }; | 87 }; |
88 | |
84 const FX_WCHAR* XFA_FM_KeywordToString(XFA_FM_TOKEN op); | 89 const FX_WCHAR* XFA_FM_KeywordToString(XFA_FM_TOKEN op); |
90 | |
85 class CXFA_FMToken { | 91 class CXFA_FMToken { |
86 public: | 92 public: |
87 CXFA_FMToken(); | 93 CXFA_FMToken(); |
88 CXFA_FMToken(FX_DWORD uLineNum); | 94 CXFA_FMToken(FX_DWORD uLineNum); |
Tom Sepez
2016/02/18 00:39:14
nit: explicit
Oliver Chang
2016/02/18 00:49:02
Done.
| |
89 ~CXFA_FMToken(); | |
90 CFX_WideStringC m_wstring; | 95 CFX_WideStringC m_wstring; |
91 XFA_FM_TOKEN m_type; | 96 XFA_FM_TOKEN m_type; |
Tom Sepez
2016/02/18 00:39:14
nit: maybe blank line between methods and members,
Oliver Chang
2016/02/18 00:49:02
Done.
| |
92 FX_DWORD m_uLinenum; | 97 FX_DWORD m_uLinenum; |
93 CXFA_FMToken* m_pNext; | |
94 }; | 98 }; |
99 | |
95 class CXFA_FMLexer { | 100 class CXFA_FMLexer { |
96 public: | 101 public: |
97 CXFA_FMLexer(const CFX_WideStringC& wsFormcalc, CXFA_FMErrorInfo* pErrorInfo); | 102 CXFA_FMLexer(const CFX_WideStringC& wsFormcalc, CXFA_FMErrorInfo* pErrorInfo); |
98 ~CXFA_FMLexer(); | |
99 CXFA_FMToken* NextToken(); | 103 CXFA_FMToken* NextToken(); |
100 FX_DWORD Number(CXFA_FMToken* t, const FX_WCHAR* p, const FX_WCHAR*& pEnd); | 104 FX_DWORD Number(CXFA_FMToken* t, const FX_WCHAR* p, const FX_WCHAR*& pEnd); |
101 FX_DWORD String(CXFA_FMToken* t, const FX_WCHAR* p, const FX_WCHAR*& pEnd); | 105 FX_DWORD String(CXFA_FMToken* t, const FX_WCHAR* p, const FX_WCHAR*& pEnd); |
102 FX_DWORD Identifiers(CXFA_FMToken* t, | 106 FX_DWORD Identifiers(CXFA_FMToken* t, |
103 const FX_WCHAR* p, | 107 const FX_WCHAR* p, |
104 const FX_WCHAR*& pEnd); | 108 const FX_WCHAR*& pEnd); |
105 void Comment(const FX_WCHAR* p, const FX_WCHAR*& pEnd); | 109 void Comment(const FX_WCHAR* p, const FX_WCHAR*& pEnd); |
106 XFA_FM_TOKEN IsKeyword(const CFX_WideStringC& p); | 110 XFA_FM_TOKEN IsKeyword(const CFX_WideStringC& p); |
107 void SetCurrentLine(FX_DWORD line) { m_uCurrentLine = line; } | 111 void SetCurrentLine(FX_DWORD line) { m_uCurrentLine = line; } |
108 void SetToken(CXFA_FMToken* pToken) { | 112 void SetToken(CXFA_FMToken* pToken) { |
109 if (m_pToken) { | 113 if (m_pToken.get() != pToken) |
110 delete m_pToken; | 114 m_pToken.reset(pToken); |
111 } | |
112 m_pToken = pToken; | |
113 } | 115 } |
114 const FX_WCHAR* SavePos() { return m_ptr; } | 116 const FX_WCHAR* SavePos() { return m_ptr; } |
115 void RestorePos(const FX_WCHAR* pPos) { m_ptr = pPos; } | 117 void RestorePos(const FX_WCHAR* pPos) { m_ptr = pPos; } |
116 void Error(XFA_FM_ERRMSG msg, ...); | 118 void Error(XFA_FM_ERRMSG msg, ...); |
117 FX_BOOL HasError() const; | 119 FX_BOOL HasError() const; |
118 | 120 |
119 protected: | 121 protected: |
120 CXFA_FMToken* Scan(); | 122 CXFA_FMToken* Scan(); |
121 const FX_WCHAR* m_pScript; | |
122 const FX_WCHAR* m_ptr; | 123 const FX_WCHAR* m_ptr; |
123 FX_STRSIZE m_uLength; | |
124 FX_DWORD m_uCurrentLine; | 124 FX_DWORD m_uCurrentLine; |
125 CXFA_FMToken* m_pToken; | 125 std::unique_ptr<CXFA_FMToken> m_pToken; |
126 CXFA_FMErrorInfo* m_pErrorInfo; | 126 CXFA_FMErrorInfo* m_pErrorInfo; |
127 }; | 127 }; |
128 | |
128 #endif | 129 #endif |
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