Move fde XML parser to core

This CL moves the XML parser from FDE into FXCRT and renames to CFX_
from CFDE_.

Change-Id: I21a9590bf74daf5517df630d7e7a5de89da99ea4
Reviewed-on: https://pdfium-review.googlesource.com/4312
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>

1 files changed, 0 insertions, 171 deletions

diff --git a/xfa/fde/xml/cfde_xmlparser.cpp b/xfa/fde/xml/cfde_xmlparser.cpp
deleted file mode 100644
index c8b300f81d..0000000000
--- a/xfa/fde/xml/cfde_xmlparser.cpp
+++ /dev/null
@@ -1,171 +0,0 @@
-// 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_xmlparser.h"
-
-#include "core/fxcrt/fx_basic.h"
-#include "third_party/base/ptr_util.h"
-#include "xfa/fde/xml/cfde_xmlchardata.h"
-#include "xfa/fde/xml/cfde_xmlelement.h"
-#include "xfa/fde/xml/cfde_xmlinstruction.h"
-#include "xfa/fde/xml/cfde_xmlnode.h"
-#include "xfa/fde/xml/cfde_xmltext.h"
-
-CFDE_XMLParser::CFDE_XMLParser(
-    CFDE_XMLNode* pParent,
-    const CFX_RetainPtr<CFX_SeekableStreamProxy>& pStream)
-    : m_nElementStart(0),
-      m_dwCheckStatus(0),
-      m_dwCurrentCheckStatus(0),
-      m_pStream(pStream),
-      m_pParser(pdfium::MakeUnique<CFDE_XMLSyntaxParser>(m_pStream)),
-      m_pParent(pParent),
-      m_pChild(nullptr),
-      m_syntaxParserResult(FDE_XmlSyntaxResult::None) {
-  ASSERT(m_pParent && m_pStream);
-  m_NodeStack.push(m_pParent);
-}
-
-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_ws1 = m_pParser->GetTagName();
-        m_ws2 = static_cast<CFDE_XMLElement*>(m_pChild)->GetName();
-        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_ws1 = m_pParser->GetTargetName();
-        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_ws1 = m_pParser->GetTagName();
-        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();
-          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_ws1 = m_pParser->GetAttributeName();
-        break;
-      case FDE_XmlSyntaxResult::AttriValue:
-        if (m_pChild) {
-          m_ws2 = m_pParser->GetAttributeName();
-          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_ws1 = m_pParser->GetTextData();
-        m_pChild = new CFDE_XMLText(m_ws1);
-        m_pParent->InsertChildNode(m_pChild);
-        m_pChild = m_pParent;
-        break;
-      case FDE_XmlSyntaxResult::CData:
-        m_ws1 = m_pParser->GetTextData();
-        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;
-          }
-          auto* instruction = static_cast<CFDE_XMLInstruction*>(m_pChild);
-          if (!m_ws1.IsEmpty())
-            instruction->AppendData(m_ws1);
-          instruction->AppendData(m_pParser->GetTargetData());
-        }
-        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();
-}