1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef FPDFSDK_JAVASCRIPT_JS_VALUE_H_
#define FPDFSDK_JAVASCRIPT_JS_VALUE_H_
#include <vector>
#include "fxjs/fxjs_v8.h"
class CJS_Array;
class CJS_Date;
class CJS_Document;
class CJS_Object;
class CJS_Runtime;
class CJS_Value {
public:
enum Type {
VT_unknown,
VT_string,
VT_number,
VT_boolean,
VT_date,
VT_object,
VT_null,
VT_undefined
};
static Type GetValueType(v8::Local<v8::Value> value);
explicit CJS_Value(CJS_Runtime* pRuntime);
CJS_Value(CJS_Runtime* pRuntime, v8::Local<v8::Value> pValue);
CJS_Value(CJS_Runtime* pRuntime, int iValue);
CJS_Value(CJS_Runtime* pRuntime, double dValue);
CJS_Value(CJS_Runtime* pRuntime, bool bValue);
CJS_Value(CJS_Runtime* pRuntime, CJS_Object* pObj);
CJS_Value(CJS_Runtime* pRuntime, const char* pStr);
CJS_Value(CJS_Runtime* pRuntime, const wchar_t* pWstr);
CJS_Value(CJS_Runtime* pRuntime, const CJS_Array& array);
CJS_Value(CJS_Runtime* pRuntime, const CJS_Date& date);
CJS_Value(CJS_Runtime* pRuntime, const CJS_Object* object);
CJS_Value(const CJS_Value& other);
~CJS_Value();
// These calls may re-enter JS (and hence invalidate objects).
void Set(CJS_Runtime* pRuntime, int val);
void Set(CJS_Runtime* pRuntime, bool val);
void Set(CJS_Runtime* pRuntime, double val);
void Set(CJS_Runtime* pRuntime, CJS_Object* pObj);
void Set(CJS_Runtime* pRuntime, CJS_Document* pJsDoc);
void Set(CJS_Runtime* pRuntime, const ByteString&);
void Set(CJS_Runtime* pRuntime, const WideString&);
void Set(CJS_Runtime* pRuntime, const wchar_t* c_string);
void Set(CJS_Runtime* pRuntime, const CJS_Array& array);
void Set(CJS_Runtime* pRuntime, const CJS_Date& date);
void Set(CJS_Runtime* pRuntime, v8::Local<v8::Value> pValue);
void SetNull(CJS_Runtime* pRuntime);
Type GetType() const { return GetValueType(m_pValue); }
int ToInt(CJS_Runtime* pRuntime) const;
bool ToBool(CJS_Runtime* pRuntime) const;
double ToDouble(CJS_Runtime* pRuntime) const;
float ToFloat(CJS_Runtime* pRuntime) const;
CJS_Object* ToObject(CJS_Runtime* pRuntime) const;
CJS_Document* ToDocument(CJS_Runtime* pRuntime) const;
CJS_Array ToArray(CJS_Runtime* pRuntime) const;
CJS_Date ToDate(CJS_Runtime* pRuntime) const;
WideString ToWideString(CJS_Runtime* pRuntime) const;
ByteString ToByteString(CJS_Runtime* pRuntime) const;
v8::Local<v8::Object> ToV8Object(CJS_Runtime* pRuntime) const;
v8::Local<v8::Array> ToV8Array(CJS_Runtime* pRuntime) const;
v8::Local<v8::Value> ToV8Value(CJS_Runtime* pRuntime) const;
// Replace the current |m_pValue| with a v8::Number if possible
// to make one from the current |m_pValue|.
void MaybeCoerceToNumber(CJS_Runtime* pRuntime);
bool IsArrayObject() const;
bool IsDateObject() const;
private:
v8::Local<v8::Value> m_pValue;
};
class CJS_Array {
public:
CJS_Array();
explicit CJS_Array(v8::Local<v8::Array> pArray);
CJS_Array(const CJS_Array& other);
virtual ~CJS_Array();
int GetLength(CJS_Runtime* pRuntime) const;
// These two calls may re-enter JS (and hence invalidate objects).
CJS_Value GetElement(CJS_Runtime* pRuntime, unsigned index) const;
void SetElement(CJS_Runtime* pRuntime,
unsigned index,
const CJS_Value& value);
v8::Local<v8::Array> ToV8Array(CJS_Runtime* pRuntime) const;
private:
mutable v8::Local<v8::Array> m_pArray;
};
class CJS_Date {
public:
CJS_Date();
explicit CJS_Date(v8::Local<v8::Date> pDate);
CJS_Date(CJS_Runtime* pRuntime, double dMsec_time);
CJS_Date(CJS_Runtime* pRuntime,
int year,
int mon,
int day,
int hour,
int min,
int sec);
CJS_Date(const CJS_Date&);
virtual ~CJS_Date();
bool IsValidDate(CJS_Runtime* pRuntime) const;
int GetYear(CJS_Runtime* pRuntime) const;
int GetMonth(CJS_Runtime* pRuntime) const;
int GetDay(CJS_Runtime* pRuntime) const;
int GetHours(CJS_Runtime* pRuntime) const;
int GetMinutes(CJS_Runtime* pRuntime) const;
int GetSeconds(CJS_Runtime* pRuntime) const;
v8::Local<v8::Date> ToV8Date(CJS_Runtime* pRuntime) const;
WideString ToWideString(int style) const;
protected:
v8::Local<v8::Date> m_pDate;
};
double JS_GetDateTime();
int JS_GetYearFromTime(double dt);
int JS_GetMonthFromTime(double dt);
int JS_GetDayFromTime(double dt);
int JS_GetHourFromTime(double dt);
int JS_GetMinFromTime(double dt);
int JS_GetSecFromTime(double dt);
double JS_DateParse(const WideString& str);
double JS_MakeDay(int nYear, int nMonth, int nDay);
double JS_MakeTime(int nHour, int nMin, int nSec, int nMs);
double JS_MakeDate(double day, double time);
// Some JS methods have the bizarre convention that they may also be called
// with a single argument which is an object containing the actual arguments
// as its properties. The varying arguments to this method are the property
// names as wchar_t string literals corresponding to each positional argument.
// The result will always contain |nKeywords| value, with unspecified ones
// being set to type VT_unknown.
std::vector<CJS_Value> ExpandKeywordParams(
CJS_Runtime* pRuntime,
const std::vector<CJS_Value>& originals,
size_t nKeywords,
...);
#endif // FPDFSDK_JAVASCRIPT_JS_VALUE_H_
|
