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/xfa_object.h"
8 
CXFA_AttachNodeList(CXFA_Document * pDocument,CXFA_Node * pAttachNode)9 CXFA_AttachNodeList::CXFA_AttachNodeList(CXFA_Document* pDocument,
10                                          CXFA_Node* pAttachNode)
11     : CXFA_NodeList(pDocument) {
12   m_pAttachNode = pAttachNode;
13 }
14 
GetLength()15 int32_t CXFA_AttachNodeList::GetLength() {
16   return m_pAttachNode->CountChildren(
17       XFA_Element::Unknown,
18       m_pAttachNode->GetElementType() == XFA_Element::Subform);
19 }
20 
Append(CXFA_Node * pNode)21 bool CXFA_AttachNodeList::Append(CXFA_Node* pNode) {
22   CXFA_Node* pParent = pNode->GetNodeItem(XFA_NODEITEM_Parent);
23   if (pParent) {
24     pParent->RemoveChild(pNode);
25   }
26   return m_pAttachNode->InsertChild(pNode);
27 }
28 
Insert(CXFA_Node * pNewNode,CXFA_Node * pBeforeNode)29 bool CXFA_AttachNodeList::Insert(CXFA_Node* pNewNode, CXFA_Node* pBeforeNode) {
30   CXFA_Node* pParent = pNewNode->GetNodeItem(XFA_NODEITEM_Parent);
31   if (pParent) {
32     pParent->RemoveChild(pNewNode);
33   }
34   return m_pAttachNode->InsertChild(pNewNode, pBeforeNode);
35 }
36 
Remove(CXFA_Node * pNode)37 bool CXFA_AttachNodeList::Remove(CXFA_Node* pNode) {
38   return m_pAttachNode->RemoveChild(pNode);
39 }
40 
Item(int32_t iIndex)41 CXFA_Node* CXFA_AttachNodeList::Item(int32_t iIndex) {
42   return m_pAttachNode->GetChild(
43       iIndex, XFA_Element::Unknown,
44       m_pAttachNode->GetElementType() == XFA_Element::Subform);
45 }
46