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// 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 FXJS_CFXJSE_RESOLVEPROCESSOR_H_
#define FXJS_CFXJSE_RESOLVEPROCESSOR_H_
#include <memory>
#include <vector>
#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
class CXFA_NodeHelper;
class CFXJSE_Engine;
class CFXJSE_ResolveNodeData {
public:
explicit CFXJSE_ResolveNodeData(CFXJSE_Engine* pSC);
~CFXJSE_ResolveNodeData();
CFXJSE_Engine* m_pSC;
CXFA_Object* m_CurObject;
WideString m_wsName;
XFA_HashCode m_uHashName;
WideString m_wsCondition;
int32_t m_nLevel;
std::vector<CXFA_Object*> m_Objects; // Not owned.
uint32_t m_dwStyles;
const XFA_SCRIPTATTRIBUTEINFO* m_pScriptAttribute;
XFA_ResolveNode_RSType m_dwFlag;
};
class CFXJSE_ResolveProcessor {
public:
CFXJSE_ResolveProcessor();
~CFXJSE_ResolveProcessor();
bool Resolve(CFXJSE_ResolveNodeData& rnd);
int32_t GetFilter(const WideStringView& wsExpression,
int32_t nStart,
CFXJSE_ResolveNodeData& rnd);
void SetIndexDataBind(WideString& wsNextCondition,
int32_t& iIndex,
int32_t iCount);
void SetCurStart(int32_t start) { m_iCurStart = start; }
CXFA_NodeHelper* GetNodeHelper() { return m_pNodeHelper.get(); }
private:
bool ResolveForAttributeRs(CXFA_Object* curNode,
CFXJSE_ResolveNodeData& rnd,
const WideStringView& strAttr);
bool ResolveAnyChild(CFXJSE_ResolveNodeData& rnd);
bool ResolveDollar(CFXJSE_ResolveNodeData& rnd);
bool ResolveExcalmatory(CFXJSE_ResolveNodeData& rnd);
bool ResolveNumberSign(CFXJSE_ResolveNodeData& rnd);
bool ResolveAsterisk(CFXJSE_ResolveNodeData& rnd);
bool ResolveNormal(CFXJSE_ResolveNodeData& rnd);
void SetStylesForChild(uint32_t dwParentStyles, CFXJSE_ResolveNodeData& rnd);
void ConditionArray(int32_t iCurIndex,
WideString wsCondition,
int32_t iFoundCount,
CFXJSE_ResolveNodeData& rnd);
void DoPredicateFilter(int32_t iCurIndex,
WideString wsCondition,
int32_t iFoundCount,
CFXJSE_ResolveNodeData& rnd);
void FilterCondition(CFXJSE_ResolveNodeData& rnd, WideString wsCondition);
int32_t m_iCurStart = 0;
const std::unique_ptr<CXFA_NodeHelper> m_pNodeHelper;
};
#endif // FXJS_CFXJSE_RESOLVEPROCESSOR_H_
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