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_CFXJSE_RESOLVEPROCESSOR_H_ 8 #define FXJS_CFXJSE_RESOLVEPROCESSOR_H_ 9 10 #include <memory> 11 #include <vector> 12 13 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h" 14 15 class CXFA_NodeHelper; 16 class CFXJSE_Engine; 17 18 class CFXJSE_ResolveNodeData { 19 public: 20 explicit CFXJSE_ResolveNodeData(CFXJSE_Engine* pSC); 21 ~CFXJSE_ResolveNodeData(); 22 23 CFXJSE_Engine* m_pSC; 24 CXFA_Object* m_CurObject; 25 WideString m_wsName; 26 XFA_HashCode m_uHashName; 27 WideString m_wsCondition; 28 int32_t m_nLevel; 29 std::vector<CXFA_Object*> m_Objects; // Not owned. 30 uint32_t m_dwStyles; 31 const XFA_SCRIPTATTRIBUTEINFO* m_pScriptAttribute; 32 XFA_ResolveNode_RSType m_dwFlag; 33 }; 34 35 class CFXJSE_ResolveProcessor { 36 public: 37 CFXJSE_ResolveProcessor(); 38 ~CFXJSE_ResolveProcessor(); 39 40 bool Resolve(CFXJSE_ResolveNodeData& rnd); 41 int32_t GetFilter(const WideStringView& wsExpression, 42 int32_t nStart, 43 CFXJSE_ResolveNodeData& rnd); 44 void SetIndexDataBind(WideString& wsNextCondition, 45 int32_t& iIndex, 46 int32_t iCount); 47 void SetCurStart(int32_t start) { m_iCurStart = start; } 48 49 CXFA_NodeHelper* GetNodeHelper() const { return m_pNodeHelper.get(); } 50 51 private: 52 bool ResolveForAttributeRs(CXFA_Object* curNode, 53 CFXJSE_ResolveNodeData& rnd, 54 const WideStringView& strAttr); 55 bool ResolveAnyChild(CFXJSE_ResolveNodeData& rnd); 56 bool ResolveDollar(CFXJSE_ResolveNodeData& rnd); 57 bool ResolveExcalmatory(CFXJSE_ResolveNodeData& rnd); 58 bool ResolveNumberSign(CFXJSE_ResolveNodeData& rnd); 59 bool ResolveAsterisk(CFXJSE_ResolveNodeData& rnd); 60 bool ResolveNormal(CFXJSE_ResolveNodeData& rnd); 61 void SetStylesForChild(uint32_t dwParentStyles, CFXJSE_ResolveNodeData& rnd); 62 63 void ConditionArray(int32_t iCurIndex, 64 WideString wsCondition, 65 int32_t iFoundCount, 66 CFXJSE_ResolveNodeData& rnd); 67 void DoPredicateFilter(int32_t iCurIndex, 68 WideString wsCondition, 69 int32_t iFoundCount, 70 CFXJSE_ResolveNodeData& rnd); 71 void FilterCondition(CFXJSE_ResolveNodeData& rnd, WideString wsCondition); 72 73 int32_t m_iCurStart; 74 std::unique_ptr<CXFA_NodeHelper> m_pNodeHelper; 75 }; 76 77 #endif // FXJS_CFXJSE_RESOLVEPROCESSOR_H_ 78
