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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_SRC_FXFA_FM2JS_XFA_SIMPLEEXPRESSION_H_ | |
8 #define XFA_SRC_FXFA_FM2JS_XFA_SIMPLEEXPRESSION_H_ | |
9 | |
10 #include <memory> | |
11 | |
12 #include "core/include/fxcrt/fx_basic.h" | |
13 #include "xfa/src/fxfa/fm2js/xfa_lexer.h" | |
14 | |
15 #define RUNTIMEFUNCTIONRETURNVALUE \ | |
16 (FX_WSTRC(L"foxit_xfa_formcalc_runtime_func_return_value")) | |
17 #define EXCLAMATION_IN_IDENTIFIER \ | |
18 (FX_WSTRC(L"foxit_xfa_formcalc__exclamation__")) | |
19 | |
20 enum XFA_FM_SimpleExpressionType { | |
21 ASSIGN, | |
22 LOGICALOR, | |
23 LOGICALAND, | |
24 EQUALITY, | |
25 NOTEQUALITY, | |
26 LESS, | |
27 LESSEQUAL, | |
28 GREATER, | |
29 GREATEREQUAL, | |
30 PLUS, | |
31 MINUS, | |
32 MULTIPLE, | |
33 DIVIDE, | |
34 POSITIVE, | |
35 NEGATIVE, | |
36 NOT, | |
37 CALL, | |
38 DOT, | |
39 DOTDOT, | |
40 CONCATFMOBJECT, | |
41 ISFMOBJECT, | |
42 ISFMARRAY, | |
43 GETFMVALUE, | |
44 GETFMJSOBJ, | |
45 VARFILTER | |
46 }; | |
47 | |
48 CFX_WideStringC XFA_FM_EXPTypeToString( | |
49 XFA_FM_SimpleExpressionType simpleExpType); | |
50 | |
51 enum XFA_FM_AccessorIndex { | |
52 ACCESSOR_NO_INDEX, | |
53 ACCESSOR_NO_RELATIVEINDEX, | |
54 ACCESSOR_POSITIVE_INDEX, | |
55 ACCESSOR_NEGATIVE_INDEX | |
56 }; | |
57 | |
58 class CXFA_FMSimpleExpression { | |
59 public: | |
60 CXFA_FMSimpleExpression(FX_DWORD line, XFA_FM_TOKEN op); | |
61 virtual ~CXFA_FMSimpleExpression() {} | |
62 virtual void ToJavaScript(CFX_WideTextBuf& javascript); | |
63 virtual void ToImpliedReturnJS(CFX_WideTextBuf& javascript); | |
64 | |
65 XFA_FM_TOKEN GetOperatorToken() const; | |
66 | |
67 protected: | |
68 FX_DWORD m_line; | |
69 XFA_FM_TOKEN m_op; | |
70 }; | |
71 | |
72 class CXFA_FMNullExpression : public CXFA_FMSimpleExpression { | |
73 public: | |
74 explicit CXFA_FMNullExpression(FX_DWORD line); | |
75 ~CXFA_FMNullExpression() override {} | |
76 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
77 }; | |
78 | |
79 class CXFA_FMNumberExpression : public CXFA_FMSimpleExpression { | |
80 public: | |
81 CXFA_FMNumberExpression(FX_DWORD line, CFX_WideStringC wsNumber); | |
82 ~CXFA_FMNumberExpression() override {} | |
83 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
84 | |
85 private: | |
86 CFX_WideStringC m_wsNumber; | |
87 }; | |
88 | |
89 class CXFA_FMStringExpression : public CXFA_FMSimpleExpression { | |
90 public: | |
91 CXFA_FMStringExpression(FX_DWORD line, CFX_WideStringC wsString); | |
92 ~CXFA_FMStringExpression() override {} | |
93 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
94 | |
95 private: | |
96 CFX_WideStringC m_wsString; | |
97 }; | |
98 | |
99 class CXFA_FMIdentifierExpressionn : public CXFA_FMSimpleExpression { | |
100 public: | |
101 CXFA_FMIdentifierExpressionn(FX_DWORD line, CFX_WideStringC wsIdentifier); | |
102 ~CXFA_FMIdentifierExpressionn() override {} | |
103 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
104 | |
105 private: | |
106 CFX_WideStringC m_wsIdentifier; | |
107 }; | |
108 | |
109 class CXFA_FMUnaryExpression : public CXFA_FMSimpleExpression { | |
110 public: | |
111 CXFA_FMUnaryExpression(FX_DWORD line, | |
112 XFA_FM_TOKEN op, | |
113 CXFA_FMSimpleExpression* pExp); | |
114 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
115 | |
116 protected: | |
117 std::unique_ptr<CXFA_FMSimpleExpression> m_pExp; | |
118 }; | |
119 | |
120 class CXFA_FMBinExpression : public CXFA_FMSimpleExpression { | |
121 public: | |
122 CXFA_FMBinExpression(FX_DWORD line, | |
123 XFA_FM_TOKEN op, | |
124 CXFA_FMSimpleExpression* pExp1, | |
125 CXFA_FMSimpleExpression* pExp2); | |
126 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
127 | |
128 protected: | |
129 std::unique_ptr<CXFA_FMSimpleExpression> m_pExp1; | |
130 std::unique_ptr<CXFA_FMSimpleExpression> m_pExp2; | |
131 }; | |
132 | |
133 class CXFA_FMAssignExpression : public CXFA_FMBinExpression { | |
134 public: | |
135 CXFA_FMAssignExpression(FX_DWORD line, | |
136 XFA_FM_TOKEN op, | |
137 CXFA_FMSimpleExpression* pExp1, | |
138 CXFA_FMSimpleExpression* pExp2); | |
139 ~CXFA_FMAssignExpression() override {} | |
140 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
141 void ToImpliedReturnJS(CFX_WideTextBuf& javascript) override; | |
142 }; | |
143 | |
144 class CXFA_FMLogicalOrExpression : public CXFA_FMBinExpression { | |
145 public: | |
146 CXFA_FMLogicalOrExpression(FX_DWORD line, | |
147 XFA_FM_TOKEN op, | |
148 CXFA_FMSimpleExpression* pExp1, | |
149 CXFA_FMSimpleExpression* pExp2); | |
150 ~CXFA_FMLogicalOrExpression() override {} | |
151 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
152 }; | |
153 | |
154 class CXFA_FMLogicalAndExpression : public CXFA_FMBinExpression { | |
155 public: | |
156 CXFA_FMLogicalAndExpression(FX_DWORD line, | |
157 XFA_FM_TOKEN op, | |
158 CXFA_FMSimpleExpression* pExp1, | |
159 CXFA_FMSimpleExpression* pExp2); | |
160 ~CXFA_FMLogicalAndExpression() override {} | |
161 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
162 }; | |
163 | |
164 class CXFA_FMEqualityExpression : public CXFA_FMBinExpression { | |
165 public: | |
166 CXFA_FMEqualityExpression(FX_DWORD line, | |
167 XFA_FM_TOKEN op, | |
168 CXFA_FMSimpleExpression* pExp1, | |
169 CXFA_FMSimpleExpression* pExp2); | |
170 ~CXFA_FMEqualityExpression() override {} | |
171 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
172 }; | |
173 | |
174 class CXFA_FMRelationalExpression : public CXFA_FMBinExpression { | |
175 public: | |
176 CXFA_FMRelationalExpression(FX_DWORD line, | |
177 XFA_FM_TOKEN op, | |
178 CXFA_FMSimpleExpression* pExp1, | |
179 CXFA_FMSimpleExpression* pExp2); | |
180 ~CXFA_FMRelationalExpression() override {} | |
181 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
182 }; | |
183 | |
184 class CXFA_FMAdditiveExpression : public CXFA_FMBinExpression { | |
185 public: | |
186 CXFA_FMAdditiveExpression(FX_DWORD line, | |
187 XFA_FM_TOKEN op, | |
188 CXFA_FMSimpleExpression* pExp1, | |
189 CXFA_FMSimpleExpression* pExp2); | |
190 ~CXFA_FMAdditiveExpression() override {} | |
191 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
192 }; | |
193 | |
194 class CXFA_FMMultiplicativeExpression : public CXFA_FMBinExpression { | |
195 public: | |
196 CXFA_FMMultiplicativeExpression(FX_DWORD line, | |
197 XFA_FM_TOKEN op, | |
198 CXFA_FMSimpleExpression* pExp1, | |
199 CXFA_FMSimpleExpression* pExp2); | |
200 ~CXFA_FMMultiplicativeExpression() override {} | |
201 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
202 }; | |
203 | |
204 class CXFA_FMPosExpression : public CXFA_FMUnaryExpression { | |
205 public: | |
206 CXFA_FMPosExpression(FX_DWORD line, CXFA_FMSimpleExpression* pExp); | |
207 ~CXFA_FMPosExpression() override {} | |
208 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
209 }; | |
210 | |
211 class CXFA_FMNegExpression : public CXFA_FMUnaryExpression { | |
212 public: | |
213 CXFA_FMNegExpression(FX_DWORD line, CXFA_FMSimpleExpression* pExp); | |
214 ~CXFA_FMNegExpression() override {} | |
215 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
216 }; | |
217 | |
218 class CXFA_FMNotExpression : public CXFA_FMUnaryExpression { | |
219 public: | |
220 CXFA_FMNotExpression(FX_DWORD line, CXFA_FMSimpleExpression* pExp); | |
221 ~CXFA_FMNotExpression() override {} | |
222 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
223 }; | |
224 | |
225 class CXFA_FMCallExpression : public CXFA_FMUnaryExpression { | |
226 public: | |
227 CXFA_FMCallExpression(FX_DWORD line, | |
228 CXFA_FMSimpleExpression* pExp, | |
229 CFX_PtrArray* pArguments, | |
230 FX_BOOL bIsSomMethod); | |
231 ~CXFA_FMCallExpression() override; | |
232 bool IsBuildInFunc(CFX_WideTextBuf* funcName); | |
233 FX_DWORD IsMethodWithObjParam(const CFX_WideStringC& methodName); | |
234 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
235 | |
236 private: | |
237 FX_BOOL m_bIsSomMethod; | |
238 CFX_PtrArray* m_pArguments; | |
239 }; | |
240 | |
241 class CXFA_FMDotAccessorExpression : public CXFA_FMBinExpression { | |
242 public: | |
243 CXFA_FMDotAccessorExpression(FX_DWORD line, | |
244 CXFA_FMSimpleExpression* pAccessor, | |
245 XFA_FM_TOKEN op, | |
246 CFX_WideStringC wsIdentifier, | |
247 CXFA_FMSimpleExpression* pIndexExp); | |
248 ~CXFA_FMDotAccessorExpression() override {} | |
249 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
250 | |
251 private: | |
252 CFX_WideStringC m_wsIdentifier; | |
253 }; | |
254 | |
255 class CXFA_FMIndexExpression : public CXFA_FMUnaryExpression { | |
256 public: | |
257 CXFA_FMIndexExpression(FX_DWORD line, | |
258 XFA_FM_AccessorIndex accessorIndex, | |
259 CXFA_FMSimpleExpression* pIndexExp, | |
260 FX_BOOL bIsStarIndex); | |
261 ~CXFA_FMIndexExpression() override {} | |
262 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
263 | |
264 private: | |
265 XFA_FM_AccessorIndex m_accessorIndex; | |
266 FX_BOOL m_bIsStarIndex; | |
267 }; | |
268 | |
269 class CXFA_FMDotDotAccessorExpression : public CXFA_FMBinExpression { | |
270 public: | |
271 CXFA_FMDotDotAccessorExpression(FX_DWORD line, | |
272 CXFA_FMSimpleExpression* pAccessor, | |
273 XFA_FM_TOKEN op, | |
274 CFX_WideStringC wsIdentifier, | |
275 CXFA_FMSimpleExpression* pIndexExp); | |
276 ~CXFA_FMDotDotAccessorExpression() override {} | |
277 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
278 | |
279 private: | |
280 CFX_WideStringC m_wsIdentifier; | |
281 }; | |
282 | |
283 class CXFA_FMMethodCallExpression : public CXFA_FMBinExpression { | |
284 public: | |
285 CXFA_FMMethodCallExpression(FX_DWORD line, | |
286 CXFA_FMSimpleExpression* pAccessorExp1, | |
287 CXFA_FMSimpleExpression* pCallExp); | |
288 ~CXFA_FMMethodCallExpression() override {} | |
289 void ToJavaScript(CFX_WideTextBuf& javascript) override; | |
290 }; | |
291 | |
292 #endif // XFA_SRC_FXFA_FM2JS_XFA_SIMPLEEXPRESSION_H_ | |
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