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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 "core/fxcrt/xml/cfx_xmlelement.h"
#include <utility>
#include "core/fxcrt/cfx_widetextbuf.h"
#include "core/fxcrt/fx_extension.h"
#include "core/fxcrt/xml/cfx_xmlchardata.h"
#include "core/fxcrt/xml/cfx_xmltext.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
CFX_XMLElement::CFX_XMLElement(const CFX_WideString& wsTag)
: CFX_XMLAttributeNode(wsTag) {}
CFX_XMLElement::~CFX_XMLElement() {}
FX_XMLNODETYPE CFX_XMLElement::GetType() const {
return FX_XMLNODE_Element;
}
std::unique_ptr<CFX_XMLNode> CFX_XMLElement::Clone() {
auto pClone = pdfium::MakeUnique<CFX_XMLElement>(GetName());
pClone->SetAttributes(GetAttributes());
CFX_WideString wsText;
CFX_XMLNode* pChild = m_pChild;
while (pChild) {
switch (pChild->GetType()) {
case FX_XMLNODE_Text:
wsText += static_cast<CFX_XMLText*>(pChild)->GetText();
break;
default:
break;
}
pChild = pChild->m_pNext;
}
pClone->SetTextData(wsText);
return std::move(pClone);
}
CFX_WideString CFX_XMLElement::GetLocalTagName() const {
auto pos = GetName().Find(L':');
return pos.has_value()
? GetName().Right(GetName().GetLength() - pos.value() - 1)
: GetName();
}
CFX_WideString CFX_XMLElement::GetNamespacePrefix() const {
auto pos = GetName().Find(L':');
return pos.has_value() ? GetName().Left(pos.value()) : CFX_WideString();
}
CFX_WideString CFX_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 CFX_XMLNode*>(this);
while (pNode) {
if (pNode->GetType() != FX_XMLNODE_Element)
break;
auto* pElement = static_cast<const CFX_XMLElement*>(pNode);
if (!pElement->HasAttribute(wsAttri)) {
pNode = pNode->GetNodeItem(CFX_XMLNode::Parent);
continue;
}
return pElement->GetString(wsAttri);
}
return CFX_WideString();
}
CFX_WideString CFX_XMLElement::GetTextData() const {
CFX_WideTextBuf buffer;
CFX_XMLNode* pChild = m_pChild;
while (pChild) {
switch (pChild->GetType()) {
case FX_XMLNODE_Text:
case FX_XMLNODE_CharData:
buffer << static_cast<CFX_XMLText*>(pChild)->GetText();
break;
default:
break;
}
pChild = pChild->m_pNext;
}
return buffer.MakeString();
}
void CFX_XMLElement::SetTextData(const CFX_WideString& wsText) {
if (wsText.GetLength() < 1)
return;
InsertChildNode(new CFX_XMLText(wsText));
}
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