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 XFA_FXFA_PARSER_CXFA_NODEHELPER_H_
8 #define XFA_FXFA_PARSER_CXFA_NODEHELPER_H_
9 
10 #include "xfa/fxfa/parser/xfa_object.h"
11 #include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
12 
13 class CXFA_ScriptContext;
14 
15 enum XFA_LOGIC_TYPE {
16   XFA_LOGIC_NoTransparent,
17   XFA_LOGIC_Transparent,
18 };
19 
20 class CXFA_NodeHelper {
21  public:
22   CXFA_NodeHelper();
23   ~CXFA_NodeHelper();
24 
25   CXFA_Node* ResolveNodes_GetOneChild(CXFA_Node* parent,
26                                       const FX_WCHAR* pwsName,
27                                       bool bIsClassName = false);
28   CXFA_Node* ResolveNodes_GetParent(
29       CXFA_Node* pNode,
30       XFA_LOGIC_TYPE eLogicType = XFA_LOGIC_NoTransparent);
31 
32   int32_t NodeAcc_TraverseSiblings(CXFA_Node* parent,
33                                    uint32_t dNameHash,
34                                    CXFA_NodeArray* pSiblings,
35                                    XFA_LOGIC_TYPE eLogicType,
36                                    bool bIsClassName = false,
37                                    bool bIsFindProperty = true);
38   int32_t NodeAcc_TraverseAnySiblings(CXFA_Node* parent,
39                                       uint32_t dNameHash,
40                                       CXFA_NodeArray* pSiblings,
41                                       bool bIsClassName = false);
42   int32_t CountSiblings(CXFA_Node* pNode,
43                         XFA_LOGIC_TYPE eLogicType,
44                         CXFA_NodeArray* pSiblings,
45                         bool bIsClassName = false);
46   int32_t GetIndex(CXFA_Node* pNode,
47                    XFA_LOGIC_TYPE eLogicType = XFA_LOGIC_NoTransparent,
48                    bool bIsProperty = false,
49                    bool bIsClassIndex = false);
50   void GetNameExpression(CXFA_Node* refNode,
51                          CFX_WideString& wsName,
52                          bool bIsAllPath,
53                          XFA_LOGIC_TYPE eLogicType = XFA_LOGIC_NoTransparent);
54   bool NodeIsTransparent(CXFA_Node* refNode);
55   bool ResolveNodes_CreateNode(CFX_WideString wsName,
56                                CFX_WideString wsCondition,
57                                bool bLastNode,
58                                CXFA_ScriptContext* pScriptContext);
59   bool CreateNode_ForCondition(CFX_WideString& wsCondition);
60   void SetCreateNodeType(CXFA_Node* refNode);
61   bool NodeIsProperty(CXFA_Node* refNode);
62 
63  public:
64   XFA_Element m_eLastCreateType;
65   CXFA_Node* m_pCreateParent;
66   int32_t m_iCreateCount;
67   XFA_RESOVENODE_RSTYPE m_iCreateFlag;
68   int32_t m_iCurAllStart;
69   CXFA_Node* m_pAllStartParent;
70 };
71 
72 #endif  // XFA_FXFA_PARSER_CXFA_NODEHELPER_H_
73