1213

wumu

2024-12-13 1bb61da9f048f9f86b412479e3f4d18adb1876f2

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
// 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_XFA_LAYOUT_APPADAPTER_H_
#define XFA_FXFA_PARSER_XFA_LAYOUT_APPADAPTER_H_
 
#include "xfa/fxfa/parser/xfa_doclayout.h"
 
class CXFA_TraverseStrategy_PageAreaContainerLayoutItem {
 public:
  static inline CXFA_ContainerLayoutItem* GetFirstChild(
      CXFA_ContainerLayoutItem* pLayoutItem) {
    if (pLayoutItem->m_pFormNode->GetElementType() == XFA_Element::PageSet) {
      return static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem->m_pFirstChild);
    }
    return nullptr;
  }
  static inline CXFA_ContainerLayoutItem* GetNextSibling(
      CXFA_ContainerLayoutItem* pLayoutItem) {
    return (CXFA_ContainerLayoutItem*)pLayoutItem->m_pNextSibling;
  }
  static inline CXFA_ContainerLayoutItem* GetParent(
      CXFA_ContainerLayoutItem* pLayoutItem) {
    return static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem->m_pParent);
  }
};
 
class CXFA_TraverseStrategy_ContentAreaContainerLayoutItem {
 public:
  static inline CXFA_ContainerLayoutItem* GetFirstChild(
      CXFA_ContainerLayoutItem* pLayoutItem) {
    for (CXFA_LayoutItem* pChildItem = pLayoutItem->m_pFirstChild; pChildItem;
         pChildItem = pChildItem->m_pNextSibling) {
      if (CXFA_ContainerLayoutItem* pContainer =
              pChildItem->AsContainerLayoutItem()) {
        return pContainer;
      }
    }
    return nullptr;
  }
  static inline CXFA_ContainerLayoutItem* GetNextSibling(
      CXFA_ContainerLayoutItem* pLayoutItem) {
    for (CXFA_LayoutItem* pChildItem = pLayoutItem->m_pNextSibling; pChildItem;
         pChildItem = pChildItem->m_pNextSibling) {
      if (CXFA_ContainerLayoutItem* pContainer =
              pChildItem->AsContainerLayoutItem()) {
        return pContainer;
      }
    }
    return nullptr;
  }
  static inline CXFA_ContainerLayoutItem* GetParent(
      CXFA_ContainerLayoutItem* pLayoutItem) {
    return static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem->m_pParent);
  }
};
 
class CXFA_TraverseStrategy_ContentLayoutItem {
 public:
  static inline CXFA_ContentLayoutItem* GetFirstChild(
      CXFA_ContentLayoutItem* pLayoutItem) {
    return static_cast<CXFA_ContentLayoutItem*>(pLayoutItem->m_pFirstChild);
  }
  static inline CXFA_ContentLayoutItem* GetNextSibling(
      CXFA_ContentLayoutItem* pLayoutItem) {
    return static_cast<CXFA_ContentLayoutItem*>(pLayoutItem->m_pNextSibling);
  }
  static inline CXFA_ContentLayoutItem* GetParent(
      CXFA_ContentLayoutItem* pLayoutItem) {
    return static_cast<CXFA_ContentLayoutItem*>(pLayoutItem->m_pParent);
  }
};
 
void XFA_ReleaseLayoutItem(CXFA_LayoutItem* pLayoutItem);
 
#endif  // XFA_FXFA_PARSER_XFA_LAYOUT_APPADAPTER_H_