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 FXJS_INCLUDE_CFXJSE_VALUE_H_
8 #define FXJS_INCLUDE_CFXJSE_VALUE_H_
9 
10 #include "v8/include/v8.h"
11 
12 #include "core/fxcrt/include/fx_string.h"
13 #include "core/fxcrt/include/fx_system.h"
14 #include "fxjs/cfxjse_isolatetracker.h"
15 #include "fxjs/cfxjse_runtimedata.h"
16 
17 class CFXJSE_Class;
18 class CFXJSE_HostObject;
19 
20 class CFXJSE_Value {
21  public:
22   explicit CFXJSE_Value(v8::Isolate* pIsolate);
23   ~CFXJSE_Value();
24 
25   FX_BOOL IsUndefined() const;
26   FX_BOOL IsNull() const;
27   FX_BOOL IsBoolean() const;
28   FX_BOOL IsString() const;
29   FX_BOOL IsNumber() const;
30   FX_BOOL IsInteger() const;
31   FX_BOOL IsObject() const;
32   FX_BOOL IsArray() const;
33   FX_BOOL IsFunction() const;
34   FX_BOOL IsDate() const;
35   FX_BOOL ToBoolean() const;
36   FX_FLOAT ToFloat() const;
37   double ToDouble() const;
38   int32_t ToInteger() const;
39   CFX_ByteString ToString() const;
ToWideString()40   CFX_WideString ToWideString() const {
41     return CFX_WideString::FromUTF8(ToString().AsStringC());
42   }
43   CFXJSE_HostObject* ToHostObject(CFXJSE_Class* lpClass) const;
44 
45   void SetUndefined();
46   void SetNull();
47   void SetBoolean(FX_BOOL bBoolean);
48   void SetInteger(int32_t nInteger);
49   void SetDouble(double dDouble);
50   void SetString(const CFX_ByteStringC& szString);
51   void SetFloat(FX_FLOAT fFloat);
52   void SetJSObject();
53 
54   void SetObject(CFXJSE_HostObject* lpObject, CFXJSE_Class* pClass);
55   void SetHostObject(CFXJSE_HostObject* lpObject, CFXJSE_Class* lpClass);
56   void SetArray(uint32_t uValueCount, CFXJSE_Value** rgValues);
57   void SetDate(double dDouble);
58 
59   FX_BOOL GetObjectProperty(const CFX_ByteStringC& szPropName,
60                             CFXJSE_Value* lpPropValue);
61   FX_BOOL SetObjectProperty(const CFX_ByteStringC& szPropName,
62                             CFXJSE_Value* lpPropValue);
63   FX_BOOL GetObjectPropertyByIdx(uint32_t uPropIdx, CFXJSE_Value* lpPropValue);
64   FX_BOOL SetObjectProperty(uint32_t uPropIdx, CFXJSE_Value* lpPropValue);
65   FX_BOOL DeleteObjectProperty(const CFX_ByteStringC& szPropName);
66   FX_BOOL HasObjectOwnProperty(const CFX_ByteStringC& szPropName,
67                                FX_BOOL bUseTypeGetter);
68   FX_BOOL SetObjectOwnProperty(const CFX_ByteStringC& szPropName,
69                                CFXJSE_Value* lpPropValue);
70   FX_BOOL SetFunctionBind(CFXJSE_Value* lpOldFunction, CFXJSE_Value* lpNewThis);
71   FX_BOOL Call(CFXJSE_Value* lpReceiver,
72                CFXJSE_Value* lpRetValue,
73                uint32_t nArgCount,
74                CFXJSE_Value** lpArgs);
75 
GetIsolate()76   v8::Isolate* GetIsolate() const { return m_pIsolate; }
DirectGetValue()77   const v8::Global<v8::Value>& DirectGetValue() const { return m_hValue; }
ForceSetValue(v8::Local<v8::Value> hValue)78   void ForceSetValue(v8::Local<v8::Value> hValue) {
79     m_hValue.Reset(m_pIsolate, hValue);
80   }
Assign(const CFXJSE_Value * lpValue)81   void Assign(const CFXJSE_Value* lpValue) {
82     ASSERT(lpValue);
83     if (lpValue) {
84       m_hValue.Reset(m_pIsolate, lpValue->m_hValue);
85     } else {
86       m_hValue.Reset();
87     }
88   }
89 
90  private:
91   friend class CFXJSE_Class;
92   friend class CFXJSE_Context;
93 
94   CFXJSE_Value();
95   CFXJSE_Value(const CFXJSE_Value&);
96   CFXJSE_Value& operator=(const CFXJSE_Value&);
97 
98   v8::Isolate* m_pIsolate;
99   v8::Global<v8::Value> m_hValue;
100 };
101 
102 #endif  // FXJS_INCLUDE_CFXJSE_VALUE_H_
103