xfa/src/fxfa/src/common/xfa_script.h

// 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 _FXFA_SCRIPT_H
#define _FXFA_SCRIPT_H
#define XFA_RESOLVENODE_Children			0x0001
#define XFA_RESOLVENODE_Attributes			0x0004
#define XFA_RESOLVENODE_Properties			0x0008
#define XFA_RESOLVENODE_Siblings			0x0020
#define XFA_RESOLVENODE_Parent				0x0040
#define XFA_RESOLVENODE_AnyChild			0x0080
#define XFA_RESOLVENODE_ALL					0x0100
#define XFA_RESOLVENODE_CreateNode			0x0400
#define XFA_RESOLVENODE_Bind 				0x0800
#define XFA_RESOLVENODE_BindNew 			0x1000
enum XFA_SCRIPTLANGTYPE {
    XFA_SCRIPTLANGTYPE_Formcalc = XFA_SCRIPTTYPE_Formcalc,
    XFA_SCRIPTLANGTYPE_Javascript = XFA_SCRIPTTYPE_Javascript,
    XFA_SCRIPTLANGTYPE_Unkown = XFA_SCRIPTTYPE_Unkown,
};
enum XFA_RESOVENODE_RSTYPE {
    XFA_RESOVENODE_RSTYPE_Nodes,
    XFA_RESOVENODE_RSTYPE_Attribute,
    XFA_RESOLVENODE_RSTYPE_CreateNodeOne,
    XFA_RESOLVENODE_RSTYPE_CreateNodeAll,
    XFA_RESOLVENODE_RSTYPE_CreateNodeMidAll,
    XFA_RESOVENODE_RSTYPE_ExistNodes,
};
class CXFA_HVALUEArray : public CFX_ArrayTemplate<FXJSE_HVALUE>
{
public:
    CXFA_HVALUEArray(FXJSE_HRUNTIME hRunTime) : m_hRunTime(hRunTime) {};
    ~CXFA_HVALUEArray()
    {
        for (FX_INT32 i = 0; i < GetSize(); i++) {
            FXJSE_Value_Release(GetAt(i));
        }
    }
    void GetAttributeObject(CXFA_ObjArray& objArray)
    {
        for (FX_INT32 i = 0; i < GetSize(); i++) {
            CXFA_Object* pObject = (CXFA_Object*)FXJSE_Value_ToObject(GetAt(i), NULL);
            objArray.Add(pObject);
        }
    }
    FXJSE_HRUNTIME		m_hRunTime;
};
typedef struct _XFA_RESOLVENODE_RS : public CFX_Object {
    _XFA_RESOLVENODE_RS() : dwFlags(XFA_RESOVENODE_RSTYPE_Nodes), pScriptAttribute(NULL) { }
    ~_XFA_RESOLVENODE_RS()
    {
        nodes.RemoveAll();
    }
    FX_INT32 GetAttributeResult(CXFA_HVALUEArray& hValueArray) const
    {
        if (pScriptAttribute && pScriptAttribute->eValueType == XFA_SCRIPT_Object) {
            FXJSE_HRUNTIME hRunTime = hValueArray.m_hRunTime;
            for (FX_INT32 i = 0; i < nodes.GetSize(); i++) {
                FXJSE_HVALUE hValue = FXJSE_Value_Create(hRunTime);
                (nodes[i]->*(pScriptAttribute->lpfnCallback))(hValue, FALSE, (XFA_ATTRIBUTE)pScriptAttribute->eAttribute);
                hValueArray.Add(hValue);
            }
        }
        return hValueArray.GetSize();
    }
    CXFA_ObjArray				nodes;
    XFA_LPCSCRIPTATTRIBUTEINFO	pScriptAttribute;
    XFA_RESOVENODE_RSTYPE		dwFlags;
} XFA_RESOLVENODE_RS, * XFA_LPRESOLVENODE_RS;
typedef struct _XFA_JSBUILTININFO {
    FX_UINT32						uUnicodeHash;
    FX_LPCSTR						pName;
} XFA_JSBUILTININFO, * XFA_LPJSBUILTININFO;
typedef XFA_JSBUILTININFO const * XFA_LPCJSBUILTININFO;
XFA_LPCJSBUILTININFO XFA_GetJSBuiltinByHash(FX_UINT32 uHashCode);
class IXFA_ScriptContext
{
public:
    virtual void	Release() = 0;
    virtual void	Initialize(FXJSE_HRUNTIME hRuntime) = 0;

    virtual void				SetEventParam(CXFA_EventParam* pEventParam) = 0;
    virtual CXFA_EventParam*	GetEventParam() = 0;
    virtual FX_BOOL		RunScript(XFA_SCRIPTLANGTYPE eScriptType, FX_WSTR wsScript, FXJSE_HVALUE hRetValue, CXFA_Object* pThisObject = NULL) = 0;
    virtual FX_INT32	ResolveObjects(CXFA_Object* refNode, FX_WSTR wsExpression, XFA_RESOLVENODE_RS& resolveNodeRS, FX_DWORD dwStyles = XFA_RESOLVENODE_Children, CXFA_Node* bindNode = NULL) = 0;
    virtual FXJSE_HVALUE		GetJSValueFromMap(CXFA_Object* pObject) = 0;
    virtual void				CacheList(CXFA_NodeList* pList) = 0;
    virtual CXFA_Object*		GetThisObject() const = 0;
    virtual FXJSE_HRUNTIME		GetRuntime() const = 0;
    virtual FX_INT32			GetIndexByName(CXFA_Node* refNode) = 0;
    virtual FX_INT32			GetIndexByClassName(CXFA_Node* refNode) = 0;
    virtual void				GetSomExpression(CXFA_Node* refNode, CFX_WideString &wsExpression) = 0;

    virtual void				SetNodesOfRunScript(CXFA_NodeArray *pArray) = 0;
    virtual void				AddNodesOfRunScript(const CXFA_NodeArray& nodes) = 0;
    virtual void				AddNodesOfRunScript(CXFA_Node* pNode) = 0;
    virtual FXJSE_HCLASS		GetJseNormalClass() = 0;
    virtual XFA_SCRIPTLANGTYPE	GetType() = 0;
    virtual	void				AddJSBuiltinObject(XFA_LPCJSBUILTININFO pBuitinObject) = 0;
    virtual	void				SetRunAtType(XFA_ATTRIBUTEENUM eRunAt) = 0;
    virtual FX_BOOL				IsRunAtClient() = 0;
};
IXFA_ScriptContext* XFA_ScriptContext_Create(CXFA_Document* pDocument);
#endif