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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_INCLUDE_JAVASCRIPT_JS_GLOBALDATA_H_
      8 #define FPDFSDK_INCLUDE_JAVASCRIPT_JS_GLOBALDATA_H_
      9 
     10 #include "../../../core/include/fxcrt/fx_basic.h"
     11 
     12 #define JS_GLOBALDATA_TYPE_NUMBER		0
     13 #define JS_GLOBALDATA_TYPE_BOOLEAN		1
     14 #define JS_GLOBALDATA_TYPE_STRING		2
     15 #define JS_GLOBALDATA_TYPE_OBJECT		3
     16 #define JS_GLOBALDATA_TYPE_NULL			4
     17 
     18 class CJS_KeyValue;
     19 class CPDFDoc_Environment;
     20 
     21 class CJS_GlobalVariableArray
     22 {
     23 public:
     24 	CJS_GlobalVariableArray();
     25 	virtual ~CJS_GlobalVariableArray();
     26 
     27 	void			Add(CJS_KeyValue* p);
     28 	int				Count() const;
     29 	CJS_KeyValue*	GetAt(int index) const;
     30 	void			Copy(const CJS_GlobalVariableArray& array);
     31 
     32 	void			Empty();
     33 
     34 private:
     35 	CFX_ArrayTemplate<CJS_KeyValue*> array;
     36 };
     37 
     38 class CJS_KeyValue
     39 {
     40 public:
     41 	CJS_KeyValue(){}
     42 	virtual ~CJS_KeyValue(){}
     43 
     44 	CFX_ByteString					sKey;
     45 	int								nType; //0:int 1:bool 2:string 3:obj
     46 	double							dData;
     47 	bool							bData;
     48 	CFX_ByteString					sData;
     49 	CJS_GlobalVariableArray			objData;
     50 };
     51 
     52 class CJS_GlobalData_Element
     53 {
     54 public:
     55 	CJS_GlobalData_Element(){}
     56 	virtual ~CJS_GlobalData_Element(){}
     57 
     58 	CJS_KeyValue			data;
     59 	FX_BOOL					bPersistent;
     60 };
     61 
     62 class CJS_GlobalData
     63 {
     64 public:
     65 	CJS_GlobalData(CPDFDoc_Environment* pApp);
     66 	virtual ~CJS_GlobalData();
     67 
     68 public:
     69 	void								SetGlobalVariableNumber(FX_LPCSTR propname, double dData);
     70 	void								SetGlobalVariableBoolean(FX_LPCSTR propname, bool bData);
     71 	void								SetGlobalVariableString(FX_LPCSTR propname, const CFX_ByteString& sData);
     72 	void								SetGlobalVariableObject(FX_LPCSTR propname, const CJS_GlobalVariableArray& array);
     73 	void								SetGlobalVariableNull(FX_LPCSTR propname);
     74 
     75 	FX_BOOL								SetGlobalVariablePersistent(FX_LPCSTR propname, FX_BOOL bPersistent);
     76 	FX_BOOL								DeleteGlobalVariable(FX_LPCSTR propname);
     77 
     78 	FX_INT32							GetSize() const;
     79 	CJS_GlobalData_Element*				GetAt(int index) const;
     80 
     81 private:
     82 	void								LoadGlobalPersistentVariables();
     83 	void								SaveGlobalPersisitentVariables();
     84 
     85 	CJS_GlobalData_Element*				GetGlobalVariable(FX_LPCSTR propname);
     86 	int									FindGlobalVariable(FX_LPCSTR propname);
     87 
     88 	void								LoadFileBuffer(FX_LPCWSTR sFilePath, FX_LPBYTE& pBuffer, FX_INT32& nLength);
     89 	void								WriteFileBuffer(FX_LPCWSTR sFilePath, FX_LPCSTR pBuffer, FX_INT32 nLength);
     90 	void								MakeByteString(const CFX_ByteString& name, CJS_KeyValue* pData, CFX_BinaryBuf& sData);
     91 
     92 private:
     93 	CFX_ArrayTemplate<CJS_GlobalData_Element*>	m_arrayGlobalData;
     94 	CFX_WideString								m_sFilePath;
     95 };
     96 
     97 #endif  // FPDFSDK_INCLUDE_JAVASCRIPT_JS_GLOBALDATA_H_
     98