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 12 CXFA_AttachNodeList::CXFA_AttachNodeList(CXFA_Document* pDocument, 13 CXFA_Node* pAttachNode) 14 : CXFA_TreeList(pDocument) { 15 m_pAttachNode = pAttachNode; 16 } 17 18 size_t CXFA_AttachNodeList::GetLength() { 19 return m_pAttachNode->CountChildren( 20 XFA_Element::Unknown, 21 m_pAttachNode->GetElementType() == XFA_Element::Subform); 22 } 23 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 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 40 bool CXFA_AttachNodeList::Remove(CXFA_Node* pNode) { 41 return m_pAttachNode->RemoveChild(pNode, true); 42 } 43 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