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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_XMLNode(), m_wsTag(wsTag), m_Attributes() {
ASSERT(m_wsTag.GetLength() > 0);
}
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>(m_wsTag);
pClone->m_Attributes = m_Attributes;
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;
}
void CFDE_XMLElement::GetTagName(CFX_WideString& wsTag) const {
wsTag = m_wsTag;
}
void CFDE_XMLElement::GetLocalTagName(CFX_WideString& wsTag) const {
FX_STRSIZE iFind = m_wsTag.Find(L':', 0);
if (iFind < 0) {
wsTag = m_wsTag;
} else {
wsTag = m_wsTag.Right(m_wsTag.GetLength() - iFind - 1);
}
}
void CFDE_XMLElement::GetNamespacePrefix(CFX_WideString& wsPrefix) const {
FX_STRSIZE iFind = m_wsTag.Find(L':', 0);
if (iFind < 0) {
wsPrefix.clear();
} else {
wsPrefix = m_wsTag.Left(iFind);
}
}
void CFDE_XMLElement::GetNamespaceURI(CFX_WideString& wsNamespace) const {
CFX_WideString wsAttri(L"xmlns"), wsPrefix;
GetNamespacePrefix(wsPrefix);
if (wsPrefix.GetLength() > 0) {
wsAttri += L":";
wsAttri += wsPrefix;
}
wsNamespace.clear();
CFDE_XMLNode* pNode = (CFDE_XMLNode*)this;
while (pNode) {
if (pNode->GetType() != FDE_XMLNODE_Element) {
break;
}
CFDE_XMLElement* pElement = (CFDE_XMLElement*)pNode;
if (!pElement->HasAttribute(wsAttri.c_str())) {
pNode = pNode->GetNodeItem(CFDE_XMLNode::Parent);
continue;
}
pElement->GetString(wsAttri.c_str(), wsNamespace);
break;
}
}
int32_t CFDE_XMLElement::CountAttributes() const {
return pdfium::CollectionSize<int32_t>(m_Attributes) / 2;
}
bool CFDE_XMLElement::GetAttribute(int32_t index,
CFX_WideString& wsAttriName,
CFX_WideString& wsAttriValue) const {
int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
ASSERT(index > -1 && index < iCount / 2);
for (int32_t i = 0; i < iCount; i += 2) {
if (index == 0) {
wsAttriName = m_Attributes[i];
wsAttriValue = m_Attributes[i + 1];
return true;
}
index--;
}
return false;
}
bool CFDE_XMLElement::HasAttribute(const wchar_t* pwsAttriName) const {
int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
for (int32_t i = 0; i < iCount; i += 2) {
if (m_Attributes[i].Compare(pwsAttriName) == 0)
return true;
}
return false;
}
void CFDE_XMLElement::GetString(const wchar_t* pwsAttriName,
CFX_WideString& wsAttriValue,
const wchar_t* pwsDefValue) const {
int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
for (int32_t i = 0; i < iCount; i += 2) {
if (m_Attributes[i].Compare(pwsAttriName) == 0) {
wsAttriValue = m_Attributes[i + 1];
return;
}
}
wsAttriValue = pwsDefValue;
}
void CFDE_XMLElement::SetString(const CFX_WideString& wsAttriName,
const CFX_WideString& wsAttriValue) {
ASSERT(wsAttriName.GetLength() > 0);
int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
for (int32_t i = 0; i < iCount; i += 2) {
if (m_Attributes[i].Compare(wsAttriName) == 0) {
m_Attributes[i] = wsAttriName;
m_Attributes[i + 1] = wsAttriValue;
return;
}
}
m_Attributes.push_back(wsAttriName);
m_Attributes.push_back(wsAttriValue);
}
int32_t CFDE_XMLElement::GetInteger(const wchar_t* pwsAttriName,
int32_t iDefValue) const {
int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
for (int32_t i = 0; i < iCount; i += 2) {
if (m_Attributes[i].Compare(pwsAttriName) == 0) {
return FXSYS_wtoi(m_Attributes[i + 1].c_str());
}
}
return iDefValue;
}
void CFDE_XMLElement::SetInteger(const wchar_t* pwsAttriName,
int32_t iAttriValue) {
CFX_WideString wsValue;
wsValue.Format(L"%d", iAttriValue);
SetString(pwsAttriName, wsValue);
}
float CFDE_XMLElement::GetFloat(const wchar_t* pwsAttriName,
float fDefValue) const {
int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
for (int32_t i = 0; i < iCount; i += 2) {
if (m_Attributes[i].Compare(pwsAttriName) == 0) {
return FXSYS_wcstof(m_Attributes[i + 1].c_str(), -1, nullptr);
}
}
return fDefValue;
}
void CFDE_XMLElement::SetFloat(const wchar_t* pwsAttriName, float fAttriValue) {
CFX_WideString wsValue;
wsValue.Format(L"%f", fAttriValue);
SetString(pwsAttriName, wsValue);
}
void CFDE_XMLElement::RemoveAttribute(const wchar_t* pwsAttriName) {
int32_t iCount = pdfium::CollectionSize<int32_t>(m_Attributes);
for (int32_t i = 0; i < iCount; i += 2) {
if (m_Attributes[i].Compare(pwsAttriName) == 0) {
m_Attributes.erase(m_Attributes.begin() + i,
m_Attributes.begin() + i + 2);
return;
}
}
}
void CFDE_XMLElement::GetTextData(CFX_WideString& wsText) 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;
}
wsText = buffer.AsStringC();
}
void CFDE_XMLElement::SetTextData(const CFX_WideString& wsText) {
if (wsText.GetLength() < 1) {
return;
}
InsertChildNode(new CFDE_XMLText(wsText));
}
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