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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 XFA_FXFA_PARSER_CXFA_RESOLVEPROCESSOR_H_
#define XFA_FXFA_PARSER_CXFA_RESOLVEPROCESSOR_H_
#include <memory>
#include <vector>
#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
class CXFA_NodeHelper;
class CXFA_ScriptContext;
class CXFA_ResolveNodesData {
public:
explicit CXFA_ResolveNodesData(CXFA_ScriptContext* pSC = nullptr);
~CXFA_ResolveNodesData();
CXFA_ScriptContext* m_pSC;
CXFA_Object* m_CurObject;
CFX_WideString m_wsName;
XFA_HashCode m_uHashName;
CFX_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_RESOVENODE_RSTYPE m_dwFlag;
};
class CXFA_ResolveProcessor {
public:
CXFA_ResolveProcessor();
~CXFA_ResolveProcessor();
int32_t Resolve(CXFA_ResolveNodesData& rnd);
int32_t GetFilter(const CFX_WideStringC& wsExpression,
int32_t nStart,
CXFA_ResolveNodesData& rnd);
int32_t SetResultCreateNode(XFA_RESOLVENODE_RS& resolveNodeRS,
CFX_WideString& wsLastCondition);
void SetIndexDataBind(CFX_WideString& wsNextCondition,
int32_t& iIndex,
int32_t iCount);
void SetCurStart(int32_t start) { m_iCurStart = start; }
CXFA_NodeHelper* GetNodeHelper() const { return m_pNodeHelper.get(); }
private:
int32_t ResolveForAttributeRs(CXFA_Object* curNode,
CXFA_ResolveNodesData& rnd,
const CFX_WideStringC& strAttr);
int32_t ResolveAnyChild(CXFA_ResolveNodesData& rnd);
int32_t ResolveDollar(CXFA_ResolveNodesData& rnd);
int32_t ResolveExcalmatory(CXFA_ResolveNodesData& rnd);
int32_t ResolveNumberSign(CXFA_ResolveNodesData& rnd);
int32_t ResolveAsterisk(CXFA_ResolveNodesData& rnd);
int32_t ResolveNormal(CXFA_ResolveNodesData& rnd);
int32_t ResolvePopStack(std::vector<int32_t>* stack);
void SetStylesForChild(uint32_t dwParentStyles, CXFA_ResolveNodesData& rnd);
void ConditionArray(int32_t iCurIndex,
CFX_WideString wsCondition,
int32_t iFoundCount,
CXFA_ResolveNodesData& rnd);
void DoPredicateFilter(int32_t iCurIndex,
CFX_WideString wsCondition,
int32_t iFoundCount,
CXFA_ResolveNodesData& rnd);
void FilterCondition(CXFA_ResolveNodesData& rnd, CFX_WideString wsCondition);
int32_t m_iCurStart;
std::unique_ptr<CXFA_NodeHelper> m_pNodeHelper;
};
#endif // XFA_FXFA_PARSER_CXFA_RESOLVEPROCESSOR_H_
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