1 // Copyright 2016 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 #include "xfa/fxfa/parser/cxfa_attachnodelist.h"
8
9 #include "third_party/base/numerics/safe_conversions.h"
10 #include "xfa/fxfa/parser/cxfa_node.h"
11
CXFA_AttachNodeList(CXFA_Document * pDocument,CXFA_Node * pAttachNode)12 CXFA_AttachNodeList::CXFA_AttachNodeList(CXFA_Document* pDocument,
13 CXFA_Node* pAttachNode)
14 : CXFA_TreeList(pDocument) {
15 m_pAttachNode = pAttachNode;
16 }
17
GetLength()18 size_t CXFA_AttachNodeList::GetLength() {
19 return m_pAttachNode->CountChildren(
20 XFA_Element::Unknown,
21 m_pAttachNode->GetElementType() == XFA_Element::Subform);
22 }
23
Append(CXFA_Node * pNode)24 bool CXFA_AttachNodeList::Append(CXFA_Node* pNode) {
25 CXFA_Node* pParent = pNode->GetParent();
26 if (pParent)
27 pParent->RemoveChild(pNode, true);
28
29 return m_pAttachNode->InsertChild(pNode, nullptr);
30 }
31
Insert(CXFA_Node * pNewNode,CXFA_Node * pBeforeNode)32 bool CXFA_AttachNodeList::Insert(CXFA_Node* pNewNode, CXFA_Node* pBeforeNode) {
33 CXFA_Node* pParent = pNewNode->GetParent();
34 if (pParent)
35 pParent->RemoveChild(pNewNode, true);
36
37 return m_pAttachNode->InsertChild(pNewNode, pBeforeNode);
38 }
39
Remove(CXFA_Node * pNode)40 bool CXFA_AttachNodeList::Remove(CXFA_Node* pNode) {
41 return m_pAttachNode->RemoveChild(pNode, true);
42 }
43
Item(size_t index)44 CXFA_Node* CXFA_AttachNodeList::Item(size_t index) {
45 return m_pAttachNode->GetChild<CXFA_Node>(
46 index, XFA_Element::Unknown,
47 m_pAttachNode->GetElementType() == XFA_Element::Subform);
48 }
49