summaryrefslogtreecommitdiff
path: root/xfa/fde/xml
diff options
context:
space:
mode:
Diffstat (limited to 'xfa/fde/xml')
-rw-r--r--xfa/fde/xml/cfde_xml_parser.cpp167
-rw-r--r--xfa/fde/xml/cfde_xml_parser.h43
-rw-r--r--xfa/fde/xml/fde_xml_imp.cpp31
-rw-r--r--xfa/fde/xml/fde_xml_imp.h13
4 files changed, 215 insertions, 39 deletions
diff --git a/xfa/fde/xml/cfde_xml_parser.cpp b/xfa/fde/xml/cfde_xml_parser.cpp
new file mode 100644
index 0000000000..840c34a5c4
--- /dev/null
+++ b/xfa/fde/xml/cfde_xml_parser.cpp
@@ -0,0 +1,167 @@
+// Copyright 2016 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_xml_parser.h"
+
+#include "third_party/base/ptr_util.h"
+
+CFDE_XMLParser::CFDE_XMLParser(CFDE_XMLNode* pParent,
+ const CFX_RetainPtr<IFGAS_Stream>& pStream)
+ : m_nElementStart(0),
+ m_dwCheckStatus(0),
+ m_dwCurrentCheckStatus(0),
+ m_pStream(pStream),
+ m_pParser(pdfium::MakeUnique<CFDE_XMLSyntaxParser>()),
+ m_pParent(pParent),
+ m_pChild(nullptr),
+ m_syntaxParserResult(FDE_XmlSyntaxResult::None) {
+ ASSERT(m_pParent && m_pStream);
+ m_NodeStack.push(m_pParent);
+ m_pParser->Init(m_pStream, 32 * 1024, 1024 * 1024);
+}
+
+CFDE_XMLParser::~CFDE_XMLParser() {}
+
+int32_t CFDE_XMLParser::DoParser(IFX_Pause* pPause) {
+ if (m_syntaxParserResult == FDE_XmlSyntaxResult::Error)
+ return -1;
+ if (m_syntaxParserResult == FDE_XmlSyntaxResult::EndOfString)
+ return 100;
+
+ int32_t iCount = 0;
+ while (true) {
+ m_syntaxParserResult = m_pParser->DoSyntaxParse();
+ switch (m_syntaxParserResult) {
+ case FDE_XmlSyntaxResult::InstructionOpen:
+ break;
+ case FDE_XmlSyntaxResult::InstructionClose:
+ if (m_pChild) {
+ if (m_pChild->GetType() != FDE_XMLNODE_Instruction) {
+ m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
+ break;
+ }
+ }
+ m_pChild = m_pParent;
+ break;
+ case FDE_XmlSyntaxResult::ElementOpen:
+ if (m_dwCheckStatus != 0x03 && m_NodeStack.size() == 2)
+ m_nElementStart = m_pParser->GetCurrentPos() - 1;
+ break;
+ case FDE_XmlSyntaxResult::ElementBreak:
+ break;
+ case FDE_XmlSyntaxResult::ElementClose:
+ if (m_pChild->GetType() != FDE_XMLNODE_Element) {
+ m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
+ break;
+ }
+ m_pParser->GetTagName(m_ws1);
+ static_cast<CFDE_XMLElement*>(m_pChild)->GetTagName(m_ws2);
+ if (m_ws1.GetLength() > 0 && m_ws1 != m_ws2) {
+ m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
+ break;
+ }
+ if (!m_NodeStack.empty())
+ m_NodeStack.pop();
+ if (m_NodeStack.empty()) {
+ m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
+ break;
+ } else if (m_dwCurrentCheckStatus != 0 && m_NodeStack.size() == 2) {
+ m_nSize[m_dwCurrentCheckStatus - 1] =
+ m_pParser->GetCurrentBinaryPos() -
+ m_nStart[m_dwCurrentCheckStatus - 1];
+ m_dwCurrentCheckStatus = 0;
+ }
+ m_pParent = m_NodeStack.top();
+ m_pChild = m_pParent;
+ iCount++;
+ break;
+ case FDE_XmlSyntaxResult::TargetName:
+ m_pParser->GetTargetName(m_ws1);
+ if (m_ws1 == L"originalXFAVersion" || m_ws1 == L"acrobat") {
+ m_pChild = new CFDE_XMLInstruction(m_ws1);
+ m_pParent->InsertChildNode(m_pChild);
+ } else {
+ m_pChild = nullptr;
+ }
+ m_ws1.clear();
+ break;
+ case FDE_XmlSyntaxResult::TagName:
+ m_pParser->GetTagName(m_ws1);
+ m_pChild = new CFDE_XMLElement(m_ws1);
+ m_pParent->InsertChildNode(m_pChild);
+ m_NodeStack.push(m_pChild);
+ m_pParent = m_pChild;
+
+ if (m_dwCheckStatus != 0x03 && m_NodeStack.size() == 3) {
+ CFX_WideString wsTag;
+ static_cast<CFDE_XMLElement*>(m_pChild)->GetLocalTagName(wsTag);
+ if (wsTag == L"template") {
+ m_dwCheckStatus |= 0x01;
+ m_dwCurrentCheckStatus = 0x01;
+ m_nStart[0] = m_pParser->GetCurrentBinaryPos() -
+ (m_pParser->GetCurrentPos() - m_nElementStart);
+ } else if (wsTag == L"datasets") {
+ m_dwCheckStatus |= 0x02;
+ m_dwCurrentCheckStatus = 0x02;
+ m_nStart[1] = m_pParser->GetCurrentBinaryPos() -
+ (m_pParser->GetCurrentPos() - m_nElementStart);
+ }
+ }
+ break;
+ case FDE_XmlSyntaxResult::AttriName:
+ m_pParser->GetAttributeName(m_ws1);
+ break;
+ case FDE_XmlSyntaxResult::AttriValue:
+ if (m_pChild) {
+ m_pParser->GetAttributeName(m_ws2);
+ if (m_pChild->GetType() == FDE_XMLNODE_Element) {
+ static_cast<CFDE_XMLElement*>(m_pChild)->SetString(m_ws1, m_ws2);
+ }
+ }
+ m_ws1.clear();
+ break;
+ case FDE_XmlSyntaxResult::Text:
+ m_pParser->GetTextData(m_ws1);
+ m_pChild = new CFDE_XMLText(m_ws1);
+ m_pParent->InsertChildNode(m_pChild);
+ m_pChild = m_pParent;
+ break;
+ case FDE_XmlSyntaxResult::CData:
+ m_pParser->GetTextData(m_ws1);
+ m_pChild = new CFDE_XMLCharData(m_ws1);
+ m_pParent->InsertChildNode(m_pChild);
+ m_pChild = m_pParent;
+ break;
+ case FDE_XmlSyntaxResult::TargetData:
+ if (m_pChild) {
+ if (m_pChild->GetType() != FDE_XMLNODE_Instruction) {
+ m_syntaxParserResult = FDE_XmlSyntaxResult::Error;
+ break;
+ }
+ if (!m_ws1.IsEmpty()) {
+ static_cast<CFDE_XMLInstruction*>(m_pChild)->AppendData(m_ws1);
+ }
+ m_pParser->GetTargetData(m_ws1);
+ static_cast<CFDE_XMLInstruction*>(m_pChild)->AppendData(m_ws1);
+ }
+ m_ws1.clear();
+ break;
+ default:
+ break;
+ }
+ if (m_syntaxParserResult == FDE_XmlSyntaxResult::Error ||
+ m_syntaxParserResult == FDE_XmlSyntaxResult::EndOfString) {
+ break;
+ }
+ if (pPause && iCount > 500 && pPause->NeedToPauseNow()) {
+ break;
+ }
+ }
+ return (m_syntaxParserResult == FDE_XmlSyntaxResult::Error ||
+ m_NodeStack.size() != 1)
+ ? -1
+ : m_pParser->GetStatus();
+}
diff --git a/xfa/fde/xml/cfde_xml_parser.h b/xfa/fde/xml/cfde_xml_parser.h
new file mode 100644
index 0000000000..cd8ccbe389
--- /dev/null
+++ b/xfa/fde/xml/cfde_xml_parser.h
@@ -0,0 +1,43 @@
+// Copyright 2016 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
+
+#ifndef XFA_FDE_XML_CFDE_XML_PARSER_H_
+#define XFA_FDE_XML_CFDE_XML_PARSER_H_
+
+#include <memory>
+#include <stack>
+
+#include "xfa/fde/xml/fde_xml_imp.h"
+
+class IFGAS_Stream;
+class IFX_Pause;
+
+class CFDE_XMLParser {
+ public:
+ CFDE_XMLParser(CFDE_XMLNode* pParent,
+ const CFX_RetainPtr<IFGAS_Stream>& pStream);
+ ~CFDE_XMLParser();
+
+ int32_t DoParser(IFX_Pause* pPause);
+
+ FX_FILESIZE m_nStart[2];
+ size_t m_nSize[2];
+ FX_FILESIZE m_nElementStart;
+ uint16_t m_dwCheckStatus;
+ uint16_t m_dwCurrentCheckStatus;
+
+ private:
+ CFX_RetainPtr<IFGAS_Stream> m_pStream;
+ std::unique_ptr<CFDE_XMLSyntaxParser> m_pParser;
+ CFDE_XMLNode* m_pParent;
+ CFDE_XMLNode* m_pChild;
+ std::stack<CFDE_XMLNode*> m_NodeStack;
+ CFX_WideString m_ws1;
+ CFX_WideString m_ws2;
+ FDE_XmlSyntaxResult m_syntaxParserResult;
+};
+
+#endif // XFA_FDE_XML_CFDE_XML_PARSER_H_
diff --git a/xfa/fde/xml/fde_xml_imp.cpp b/xfa/fde/xml/fde_xml_imp.cpp
index ade8fc0557..68a4978209 100644
--- a/xfa/fde/xml/fde_xml_imp.cpp
+++ b/xfa/fde/xml/fde_xml_imp.cpp
@@ -13,6 +13,7 @@
#include "core/fxcrt/fx_safe_types.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
+#include "xfa/fde/xml/cfde_xml_parser.h"
#include "xfa/fgas/crt/fgas_codepage.h"
namespace {
@@ -917,7 +918,7 @@ CFDE_XMLDoc::CFDE_XMLDoc()
CFDE_XMLDoc::~CFDE_XMLDoc() {}
-bool CFDE_XMLDoc::LoadXML(std::unique_ptr<IFDE_XMLParser> pXMLParser) {
+bool CFDE_XMLDoc::LoadXML(std::unique_ptr<CFDE_XMLParser> pXMLParser) {
if (!pXMLParser)
return false;
@@ -1052,34 +1053,6 @@ void CFDE_XMLDoc::SaveXMLNode(const CFX_RetainPtr<IFGAS_Stream>& pXMLStream,
}
}
-void CFDE_XMLDoc::SaveXML(CFX_RetainPtr<IFGAS_Stream>& pXMLStream,
- bool bSaveBOM) {
- if (!pXMLStream || pXMLStream == m_pStream) {
- m_pStream->Seek(FX_STREAMSEEK_Begin, 0);
- pXMLStream = m_pStream;
- }
- ASSERT((pXMLStream->GetAccessModes() & FX_STREAMACCESS_Text) != 0);
- ASSERT((pXMLStream->GetAccessModes() & FX_STREAMACCESS_Write) != 0);
- uint16_t wCodePage = pXMLStream->GetCodePage();
- if (wCodePage != FX_CODEPAGE_UTF16LE && wCodePage != FX_CODEPAGE_UTF16BE &&
- wCodePage != FX_CODEPAGE_UTF8) {
- wCodePage = FX_CODEPAGE_UTF8;
- pXMLStream->SetCodePage(wCodePage);
- }
- if (bSaveBOM) {
- pXMLStream->WriteString(L"\xFEFF", 1);
- }
- CFDE_XMLNode* pNode = m_pRoot->m_pChild;
- while (pNode) {
- SaveXMLNode(pXMLStream, static_cast<CFDE_XMLNode*>(pNode));
- pNode = pNode->m_pNext;
- }
- if (pXMLStream == m_pStream) {
- int32_t iPos = pXMLStream->GetPosition();
- pXMLStream->SetLength(iPos);
- }
-}
-
CFDE_BlockBuffer::CFDE_BlockBuffer(int32_t iAllocStep)
: m_iDataLength(0),
m_iBufferSize(0),
diff --git a/xfa/fde/xml/fde_xml_imp.h b/xfa/fde/xml/fde_xml_imp.h
index 09cdcbacdf..bd88da06cc 100644
--- a/xfa/fde/xml/fde_xml_imp.h
+++ b/xfa/fde/xml/fde_xml_imp.h
@@ -22,8 +22,8 @@ class CFDE_XMLElement;
class CFDE_XMLText;
class CFDE_XMLDoc;
class CFDE_XMLDOMParser;
+class CFDE_XMLParser;
class CFDE_XMLSyntaxParser;
-class IFDE_XMLParser;
class CFDE_XMLNode {
public:
@@ -191,27 +191,20 @@ class CFDE_XMLDoc {
CFDE_XMLDoc();
~CFDE_XMLDoc();
- bool LoadXML(std::unique_ptr<IFDE_XMLParser> pXMLParser);
+ bool LoadXML(std::unique_ptr<CFDE_XMLParser> pXMLParser);
int32_t DoLoad(IFX_Pause* pPause = nullptr);
void CloseXML();
CFDE_XMLNode* GetRoot() const { return m_pRoot.get(); }
- void SaveXML(CFX_RetainPtr<IFGAS_Stream>& pXMLStream, bool bSaveBOM = true);
void SaveXMLNode(const CFX_RetainPtr<IFGAS_Stream>& pXMLStream,
CFDE_XMLNode* pNode);
private:
int32_t m_iStatus;
std::unique_ptr<CFDE_XMLNode> m_pRoot;
- std::unique_ptr<IFDE_XMLParser> m_pXMLParser;
+ std::unique_ptr<CFDE_XMLParser> m_pXMLParser;
CFX_RetainPtr<IFGAS_Stream> m_pStream;
};
-class IFDE_XMLParser {
- public:
- virtual ~IFDE_XMLParser() {}
- virtual int32_t DoParser(IFX_Pause* pPause) = 0;
-};
-
class CFDE_BlockBuffer {
public:
explicit CFDE_BlockBuffer(int32_t iAllocStep = 1024 * 1024);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 08:43:55 +0000