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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 FPDFSDK_SRC_JAVASCRIPT_JS_VALUE_H_ | |
8 #define FPDFSDK_SRC_JAVASCRIPT_JS_VALUE_H_ | |
9 | |
10 #include <vector> | |
11 | |
12 #include "core/include/fxcrt/fx_basic.h" | |
13 #include "fpdfsdk/include/jsapi/fxjs_v8.h" | |
14 | |
15 class CJS_Array; | |
16 class CJS_Date; | |
17 class CJS_Document; | |
18 class CJS_Object; | |
19 class CJS_Runtime; | |
20 | |
21 class CJS_Value { | |
22 public: | |
23 enum Type { | |
24 VT_unknown, | |
25 VT_string, | |
26 VT_number, | |
27 VT_boolean, | |
28 VT_date, | |
29 VT_object, | |
30 VT_fxobject, | |
31 VT_null, | |
32 VT_undefined | |
33 }; | |
34 | |
35 CJS_Value(CJS_Runtime* pRuntime); | |
36 CJS_Value(CJS_Runtime* pRuntime, v8::Local<v8::Value> pValue, Type t); | |
37 CJS_Value(CJS_Runtime* pRuntime, const int& iValue); | |
38 CJS_Value(CJS_Runtime* pRuntime, const double& dValue); | |
39 CJS_Value(CJS_Runtime* pRuntime, const float& fValue); | |
40 CJS_Value(CJS_Runtime* pRuntime, const bool& bValue); | |
41 CJS_Value(CJS_Runtime* pRuntime, v8::Local<v8::Object>); | |
42 CJS_Value(CJS_Runtime* pRuntime, CJS_Object*); | |
43 CJS_Value(CJS_Runtime* pRuntime, CJS_Document*); | |
44 CJS_Value(CJS_Runtime* pRuntime, const FX_CHAR* pStr); | |
45 CJS_Value(CJS_Runtime* pRuntime, const FX_WCHAR* pWstr); | |
46 CJS_Value(CJS_Runtime* pRuntime, CJS_Array& array); | |
47 | |
48 ~CJS_Value(); | |
49 | |
50 void SetNull(); | |
51 void Attach(v8::Local<v8::Value> pValue, Type t); | |
52 void Attach(CJS_Value* pValue); | |
53 void Detach(); | |
54 | |
55 Type GetType() const; | |
56 int ToInt() const; | |
57 bool ToBool() const; | |
58 double ToDouble() const; | |
59 float ToFloat() const; | |
60 CJS_Object* ToCJSObject() const; | |
61 CFX_WideString ToCFXWideString() const; | |
62 CFX_ByteString ToCFXByteString() const; | |
63 v8::Local<v8::Object> ToV8Object() const; | |
64 v8::Local<v8::Array> ToV8Array() const; | |
65 v8::Local<v8::Value> ToV8Value() const; | |
66 | |
67 // Replace the current |m_pValue| with a v8::Number if possible | |
68 // to make one from the current |m_pValue|, updating |m_eType| | |
69 // as appropriate to indicate the result. | |
70 void MaybeCoerceToNumber(); | |
71 | |
72 void operator=(int iValue); | |
73 void operator=(bool bValue); | |
74 void operator=(double val); | |
75 void operator=(float val); | |
76 void operator=(CJS_Object* val); | |
77 void operator=(CJS_Document* val); | |
78 void operator=(v8::Local<v8::Object> val); | |
79 void operator=(CJS_Array& val); | |
80 void operator=(CJS_Date& val); | |
81 void operator=(const FX_WCHAR* pWstr); | |
82 void operator=(const FX_CHAR* pStr); | |
83 void operator=(CJS_Value value); | |
84 | |
85 FX_BOOL IsArrayObject() const; | |
86 FX_BOOL IsDateObject() const; | |
87 FX_BOOL ConvertToArray(CJS_Array&) const; | |
88 FX_BOOL ConvertToDate(CJS_Date&) const; | |
89 | |
90 CJS_Runtime* GetJSRuntime() const { return m_pJSRuntime; } | |
91 | |
92 protected: | |
93 Type m_eType; | |
94 v8::Local<v8::Value> m_pValue; | |
95 CJS_Runtime* m_pJSRuntime; | |
96 }; | |
97 | |
98 class CJS_PropValue : public CJS_Value { | |
99 public: | |
100 CJS_PropValue(const CJS_Value&); | |
101 CJS_PropValue(CJS_Runtime* pRuntime); | |
102 ~CJS_PropValue(); | |
103 | |
104 FX_BOOL IsSetting() const { return m_bIsSetting; } | |
105 FX_BOOL IsGetting() const { return !m_bIsSetting; } | |
106 | |
107 void operator<<(int val); | |
108 void operator>>(int&) const; | |
109 void operator<<(bool val); | |
110 void operator>>(bool&) const; | |
111 void operator<<(double val); | |
112 void operator>>(double&) const; | |
113 void operator<<(CJS_Object* pObj); | |
114 void operator>>(CJS_Object*& ppObj) const; | |
115 void operator<<(CJS_Document* pJsDoc); | |
116 void operator>>(CJS_Document*& ppJsDoc) const; | |
117 void operator<<(CFX_ByteString); | |
118 void operator>>(CFX_ByteString&) const; | |
119 void operator<<(CFX_WideString); | |
120 void operator>>(CFX_WideString&) const; | |
121 void operator<<(const FX_WCHAR* c_string); | |
122 void operator<<(v8::Local<v8::Object>); | |
123 void operator>>(v8::Local<v8::Object>&) const; | |
124 void operator>>(CJS_Array& array) const; | |
125 void operator<<(CJS_Array& array); | |
126 void operator<<(CJS_Date& date); | |
127 void operator>>(CJS_Date& date) const; | |
128 operator v8::Local<v8::Value>() const; | |
129 void StartSetting(); | |
130 void StartGetting(); | |
131 | |
132 private: | |
133 FX_BOOL m_bIsSetting; | |
134 }; | |
135 | |
136 class CJS_Array { | |
137 public: | |
138 CJS_Array(CJS_Runtime* pRuntime); | |
139 virtual ~CJS_Array(); | |
140 | |
141 void Attach(v8::Local<v8::Array> pArray); | |
142 void GetElement(unsigned index, CJS_Value& value); | |
143 void SetElement(unsigned index, CJS_Value value); | |
144 int GetLength(); | |
145 FX_BOOL IsAttached(); | |
146 operator v8::Local<v8::Array>(); | |
147 | |
148 CJS_Runtime* GetJSRuntime() const { return m_pJSRuntime; } | |
149 | |
150 private: | |
151 v8::Local<v8::Array> m_pArray; | |
152 CJS_Runtime* m_pJSRuntime; | |
153 }; | |
154 | |
155 class CJS_Date { | |
156 friend class CJS_Value; | |
157 | |
158 public: | |
159 CJS_Date(CJS_Runtime* pRuntime); | |
160 CJS_Date(CJS_Runtime* pRuntime, double dMsec_time); | |
161 CJS_Date(CJS_Runtime* pRuntime, | |
162 int year, | |
163 int mon, | |
164 int day, | |
165 int hour, | |
166 int min, | |
167 int sec); | |
168 virtual ~CJS_Date(); | |
169 void Attach(v8::Local<v8::Value> pDate); | |
170 | |
171 int GetYear(); | |
172 void SetYear(int iYear); | |
173 | |
174 int GetMonth(); | |
175 void SetMonth(int iMonth); | |
176 | |
177 int GetDay(); | |
178 void SetDay(int iDay); | |
179 | |
180 int GetHours(); | |
181 void SetHours(int iHours); | |
182 | |
183 int GetMinutes(); | |
184 void SetMinutes(int minutes); | |
185 | |
186 int GetSeconds(); | |
187 void SetSeconds(int seconds); | |
188 | |
189 operator v8::Local<v8::Value>(); | |
190 operator double() const; | |
191 | |
192 CFX_WideString ToString() const; | |
193 | |
194 static double | |
195 MakeDate(int year, int mon, int mday, int hour, int min, int sec, int ms); | |
196 | |
197 FX_BOOL IsValidDate(); | |
198 | |
199 protected: | |
200 v8::Local<v8::Value> m_pDate; | |
201 CJS_Runtime* m_pJSRuntime; | |
202 }; | |
203 | |
204 double JS_GetDateTime(); | |
205 int JS_GetYearFromTime(double dt); | |
206 int JS_GetMonthFromTime(double dt); | |
207 int JS_GetDayFromTime(double dt); | |
208 int JS_GetHourFromTime(double dt); | |
209 int JS_GetMinFromTime(double dt); | |
210 int JS_GetSecFromTime(double dt); | |
211 double JS_DateParse(const wchar_t* str); | |
212 double JS_MakeDay(int nYear, int nMonth, int nDay); | |
213 double JS_MakeTime(int nHour, int nMin, int nSec, int nMs); | |
214 double JS_MakeDate(double day, double time); | |
215 bool JS_PortIsNan(double d); | |
216 double JS_LocalTime(double d); | |
217 | |
218 // Some JS methods have the bizarre convention that they may also be called | |
219 // with a single argument which is an object containing the actual arguments | |
220 // as its properties. The varying arguments to this method are the property | |
221 // names as wchar_t string literals corresponding to each positional argument. | |
222 // The result will always contain |nKeywords| value, with unspecified ones | |
223 // being set to type VT_unknown. | |
224 std::vector<CJS_Value> JS_ExpandKeywordParams( | |
225 CJS_Runtime* pRuntime, | |
226 const std::vector<CJS_Value>& originals, | |
227 size_t nKeywords, | |
228 ...); | |
229 | |
230 #endif // FPDFSDK_SRC_JAVASCRIPT_JS_VALUE_H_ | |
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