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// Copyright 2017 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
#include "xfa/fde/xml/cfde_xmlelement.h"
#include "core/fxcrt/fx_ext.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
#include "xfa/fde/xml/cfde_xmlchardata.h"
#include "xfa/fde/xml/cfde_xmltext.h"
CFDE_XMLElement::CFDE_XMLElement(const CFX_WideString& wsTag)
: CFDE_XMLAttributeNode(wsTag) {}
CFDE_XMLElement::~CFDE_XMLElement() {}
FDE_XMLNODETYPE CFDE_XMLElement::GetType() const {
return FDE_XMLNODE_Element;
}
std::unique_ptr<CFDE_XMLNode> CFDE_XMLElement::Clone() {
auto pClone = pdfium::MakeUnique<CFDE_XMLElement>(GetName());
pClone->SetAttributes(GetAttributes());
CFX_WideString wsText;
CFDE_XMLNode* pChild = m_pChild;
while (pChild) {
switch (pChild->GetType()) {
case FDE_XMLNODE_Text:
wsText += static_cast<CFDE_XMLText*>(pChild)->GetText();
break;
default:
break;
}
pChild = pChild->m_pNext;
}
pClone->SetTextData(wsText);
return pClone;
}
CFX_WideString CFDE_XMLElement::GetLocalTagName() const {
FX_STRSIZE iFind = GetName().Find(L':', 0);
if (iFind < 0)
return GetName();
return GetName().Right(GetName().GetLength() - iFind - 1);
}
CFX_WideString CFDE_XMLElement::GetNamespacePrefix() const {
FX_STRSIZE iFind = GetName().Find(L':', 0);
if (iFind < 0)
return CFX_WideString();
return GetName().Left(iFind);
}
CFX_WideString CFDE_XMLElement::GetNamespaceURI() const {
CFX_WideString wsAttri(L"xmlns");
CFX_WideString wsPrefix = GetNamespacePrefix();
if (wsPrefix.GetLength() > 0) {
wsAttri += L":";
wsAttri += wsPrefix;
}
auto* pNode = static_cast<const CFDE_XMLNode*>(this);
while (pNode) {
if (pNode->GetType() != FDE_XMLNODE_Element)
break;
auto* pElement = static_cast<const CFDE_XMLElement*>(pNode);
if (!pElement->HasAttribute(wsAttri)) {
pNode = pNode->GetNodeItem(CFDE_XMLNode::Parent);
continue;
}
return pElement->GetString(wsAttri);
}
return CFX_WideString();
}
CFX_WideString CFDE_XMLElement::GetTextData() const {
CFX_WideTextBuf buffer;
CFDE_XMLNode* pChild = m_pChild;
while (pChild) {
switch (pChild->GetType()) {
case FDE_XMLNODE_Text:
case FDE_XMLNODE_CharData:
buffer << static_cast<CFDE_XMLText*>(pChild)->GetText();
break;
default:
break;
}
pChild = pChild->m_pNext;
}
return buffer.MakeString();
}
void CFDE_XMLElement::SetTextData(const CFX_WideString& wsText) {
if (wsText.GetLength() < 1)
return;
InsertChildNode(new CFDE_XMLText(wsText));
}
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