Split the FDE XML file into indiviual class files.

This Cl splits the fde_xml_int file apart into individual class files.
Includes are fixed as needed. fde_xml.h is also removed and the needed
defines moved to more appropiate places.

Change-Id: I29774dabc4d0fb2d5092fcbbe7853f03401b6ec7
Reviewed-on: https://pdfium-review.googlesource.com/3616
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 458 insertions, 0 deletions

diff --git a/xfa/fde/xml/cfde_xmlnode.cpp b/xfa/fde/xml/cfde_xmlnode.cpp
new file mode 100644
index 0000000000..bd86c0b071
--- /dev/null
+++ b/xfa/fde/xml/cfde_xmlnode.cpp
@@ -0,0 +1,458 @@
+// 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_xmlnode.h"
+
+#include <vector>
+
+#include "third_party/base/stl_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_xmltext.h"
+#include "xfa/fgas/crt/fgas_codepage.h"
+
+CFDE_XMLNode::CFDE_XMLNode()
+    : m_pParent(nullptr),
+      m_pChild(nullptr),
+      m_pPrior(nullptr),
+      m_pNext(nullptr) {}
+
+FDE_XMLNODETYPE CFDE_XMLNode::GetType() const {
+  return FDE_XMLNODE_Unknown;
+}
+
+CFDE_XMLNode::~CFDE_XMLNode() {
+  DeleteChildren();
+}
+
+void CFDE_XMLNode::DeleteChildren() {
+  CFDE_XMLNode* pChild = m_pChild;
+  while (pChild) {
+    CFDE_XMLNode* pNext = pChild->m_pNext;
+    delete pChild;
+    pChild = pNext;
+  }
+  m_pChild = nullptr;
+}
+
+int32_t CFDE_XMLNode::CountChildNodes() const {
+  int32_t iCount = 0;
+  CFDE_XMLNode* pChild = m_pChild;
+  while (pChild) {
+    iCount++;
+    pChild = pChild->m_pNext;
+  }
+  return iCount;
+}
+
+CFDE_XMLNode* CFDE_XMLNode::GetChildNode(int32_t index) const {
+  CFDE_XMLNode* pChild = m_pChild;
+  while (pChild) {
+    if (index == 0) {
+      return pChild;
+    }
+    index--;
+    pChild = pChild->m_pNext;
+  }
+  return nullptr;
+}
+
+int32_t CFDE_XMLNode::GetChildNodeIndex(CFDE_XMLNode* pNode) const {
+  int32_t index = 0;
+  CFDE_XMLNode* pChild = m_pChild;
+  while (pChild) {
+    if (pChild == pNode) {
+      return index;
+    }
+    index++;
+    pChild = pChild->m_pNext;
+  }
+  return -1;
+}
+
+CFDE_XMLNode* CFDE_XMLNode::GetPath(const wchar_t* pPath,
+                                    int32_t iLength,
+                                    bool bQualifiedName) const {
+  ASSERT(pPath);
+  if (iLength < 0) {
+    iLength = FXSYS_wcslen(pPath);
+  }
+  if (iLength == 0) {
+    return nullptr;
+  }
+  CFX_WideString csPath;
+  const wchar_t* pStart = pPath;
+  const wchar_t* pEnd = pPath + iLength;
+  wchar_t ch;
+  while (pStart < pEnd) {
+    ch = *pStart++;
+    if (ch == L'/') {
+      break;
+    } else {
+      csPath += ch;
+    }
+  }
+  iLength -= pStart - pPath;
+  CFDE_XMLNode* pFind = nullptr;
+  if (csPath.GetLength() < 1) {
+    pFind = GetNodeItem(CFDE_XMLNode::Root);
+  } else if (csPath.Compare(L"..") == 0) {
+    pFind = m_pParent;
+  } else if (csPath.Compare(L".") == 0) {
+    pFind = (CFDE_XMLNode*)this;
+  } else {
+    CFX_WideString wsTag;
+    CFDE_XMLNode* pNode = m_pChild;
+    while (pNode) {
+      if (pNode->GetType() == FDE_XMLNODE_Element) {
+        if (bQualifiedName) {
+          ((CFDE_XMLElement*)pNode)->GetTagName(wsTag);
+        } else {
+          ((CFDE_XMLElement*)pNode)->GetLocalTagName(wsTag);
+        }
+        if (wsTag.Compare(csPath) == 0) {
+          if (iLength < 1) {
+            pFind = pNode;
+          } else {
+            pFind = pNode->GetPath(pStart, iLength, bQualifiedName);
+          }
+          if (pFind)
+            return pFind;
+        }
+      }
+      pNode = pNode->m_pNext;
+    }
+  }
+  if (!pFind || iLength < 1)
+    return pFind;
+  return pFind->GetPath(pStart, iLength, bQualifiedName);
+}
+
+int32_t CFDE_XMLNode::InsertChildNode(CFDE_XMLNode* pNode, int32_t index) {
+  pNode->m_pParent = this;
+  if (!m_pChild) {
+    m_pChild = pNode;
+    pNode->m_pPrior = nullptr;
+    pNode->m_pNext = nullptr;
+    return 0;
+  }
+  if (index == 0) {
+    pNode->m_pNext = m_pChild;
+    pNode->m_pPrior = nullptr;
+    m_pChild->m_pPrior = pNode;
+    m_pChild = pNode;
+    return 0;
+  }
+  int32_t iCount = 0;
+  CFDE_XMLNode* pFind = m_pChild;
+  while (++iCount != index && pFind->m_pNext) {
+    pFind = pFind->m_pNext;
+  }
+  pNode->m_pPrior = pFind;
+  pNode->m_pNext = pFind->m_pNext;
+  if (pFind->m_pNext)
+    pFind->m_pNext->m_pPrior = pNode;
+  pFind->m_pNext = pNode;
+  return iCount;
+}
+
+void CFDE_XMLNode::RemoveChildNode(CFDE_XMLNode* pNode) {
+  ASSERT(m_pChild && pNode);
+  if (m_pChild == pNode) {
+    m_pChild = pNode->m_pNext;
+  } else {
+    pNode->m_pPrior->m_pNext = pNode->m_pNext;
+  }
+  if (pNode->m_pNext)
+    pNode->m_pNext->m_pPrior = pNode->m_pPrior;
+  pNode->m_pParent = nullptr;
+  pNode->m_pNext = nullptr;
+  pNode->m_pPrior = nullptr;
+}
+
+CFDE_XMLNode* CFDE_XMLNode::GetNodeItem(CFDE_XMLNode::NodeItem eItem) const {
+  switch (eItem) {
+    case CFDE_XMLNode::Root: {
+      CFDE_XMLNode* pParent = (CFDE_XMLNode*)this;
+      while (pParent->m_pParent) {
+        pParent = pParent->m_pParent;
+      }
+      return pParent;
+    }
+    case CFDE_XMLNode::Parent:
+      return m_pParent;
+    case CFDE_XMLNode::FirstSibling: {
+      CFDE_XMLNode* pItem = (CFDE_XMLNode*)this;
+      while (pItem->m_pPrior) {
+        pItem = pItem->m_pPrior;
+      }
+      return pItem == (CFDE_XMLNode*)this ? nullptr : pItem;
+    }
+    case CFDE_XMLNode::PriorSibling:
+      return m_pPrior;
+    case CFDE_XMLNode::NextSibling:
+      return m_pNext;
+    case CFDE_XMLNode::LastSibling: {
+      CFDE_XMLNode* pItem = (CFDE_XMLNode*)this;
+      while (pItem->m_pNext)
+        pItem = pItem->m_pNext;
+      return pItem == (CFDE_XMLNode*)this ? nullptr : pItem;
+    }
+    case CFDE_XMLNode::FirstNeighbor: {
+      CFDE_XMLNode* pParent = (CFDE_XMLNode*)this;
+      while (pParent->m_pParent)
+        pParent = pParent->m_pParent;
+      return pParent == (CFDE_XMLNode*)this ? nullptr : pParent;
+    }
+    case CFDE_XMLNode::PriorNeighbor: {
+      if (!m_pPrior)
+        return m_pParent;
+
+      CFDE_XMLNode* pItem = m_pPrior;
+      while (pItem->m_pChild) {
+        pItem = pItem->m_pChild;
+        while (pItem->m_pNext)
+          pItem = pItem->m_pNext;
+      }
+      return pItem;
+    }
+    case CFDE_XMLNode::NextNeighbor: {
+      if (m_pChild)
+        return m_pChild;
+      if (m_pNext)
+        return m_pNext;
+      CFDE_XMLNode* pItem = m_pParent;
+      while (pItem) {
+        if (pItem->m_pNext)
+          return pItem->m_pNext;
+        pItem = pItem->m_pParent;
+      }
+      return nullptr;
+    }
+    case CFDE_XMLNode::LastNeighbor: {
+      CFDE_XMLNode* pItem = (CFDE_XMLNode*)this;
+      while (pItem->m_pParent) {
+        pItem = pItem->m_pParent;
+      }
+      while (true) {
+        while (pItem->m_pNext)
+          pItem = pItem->m_pNext;
+        if (!pItem->m_pChild)
+          break;
+        pItem = pItem->m_pChild;
+      }
+      return pItem == (CFDE_XMLNode*)this ? nullptr : pItem;
+    }
+    case CFDE_XMLNode::FirstChild:
+      return m_pChild;
+    case CFDE_XMLNode::LastChild: {
+      if (!m_pChild)
+        return nullptr;
+
+      CFDE_XMLNode* pChild = m_pChild;
+      while (pChild->m_pNext)
+        pChild = pChild->m_pNext;
+      return pChild;
+    }
+    default:
+      break;
+  }
+  return nullptr;
+}
+
+int32_t CFDE_XMLNode::GetNodeLevel() const {
+  int32_t iLevel = 0;
+  const CFDE_XMLNode* pItem = m_pParent;
+  while (pItem) {
+    iLevel++;
+    pItem = pItem->m_pParent;
+  }
+  return iLevel;
+}
+
+bool CFDE_XMLNode::InsertNodeItem(CFDE_XMLNode::NodeItem eItem,
+                                  CFDE_XMLNode* pNode) {
+  switch (eItem) {
+    case CFDE_XMLNode::NextSibling: {
+      pNode->m_pParent = m_pParent;
+      pNode->m_pNext = m_pNext;
+      pNode->m_pPrior = this;
+      if (m_pNext) {
+        m_pNext->m_pPrior = pNode;
+      }
+      m_pNext = pNode;
+      return true;
+    }
+    case CFDE_XMLNode::PriorSibling: {
+      pNode->m_pParent = m_pParent;
+      pNode->m_pNext = this;
+      pNode->m_pPrior = m_pPrior;
+      if (m_pPrior) {
+        m_pPrior->m_pNext = pNode;
+      } else if (m_pParent) {
+        m_pParent->m_pChild = pNode;
+      }
+      m_pPrior = pNode;
+      return true;
+    }
+    default:
+      return false;
+  }
+}
+
+CFDE_XMLNode* CFDE_XMLNode::RemoveNodeItem(CFDE_XMLNode::NodeItem eItem) {
+  CFDE_XMLNode* pNode = nullptr;
+  switch (eItem) {
+    case CFDE_XMLNode::NextSibling:
+      if (m_pNext) {
+        pNode = m_pNext;
+        m_pNext = pNode->m_pNext;
+        if (m_pNext) {
+          m_pNext->m_pPrior = this;
+        }
+        pNode->m_pParent = nullptr;
+        pNode->m_pNext = nullptr;
+        pNode->m_pPrior = nullptr;
+      }
+      break;
+    default:
+      break;
+  }
+  return pNode;
+}
+
+CFDE_XMLNode* CFDE_XMLNode::Clone(bool bRecursive) {
+  return nullptr;
+}
+
+void CFDE_XMLNode::SaveXMLNode(const CFX_RetainPtr<IFGAS_Stream>& pXMLStream) {
+  CFDE_XMLNode* pNode = (CFDE_XMLNode*)this;
+  switch (pNode->GetType()) {
+    case FDE_XMLNODE_Instruction: {
+      CFX_WideString ws;
+      CFDE_XMLInstruction* pInstruction = (CFDE_XMLInstruction*)pNode;
+      if (pInstruction->m_wsTarget.CompareNoCase(L"xml") == 0) {
+        ws = L"<?xml version=\"1.0\" encoding=\"";
+        uint16_t wCodePage = pXMLStream->GetCodePage();
+        if (wCodePage == FX_CODEPAGE_UTF16LE) {
+          ws += L"UTF-16";
+        } else if (wCodePage == FX_CODEPAGE_UTF16BE) {
+          ws += L"UTF-16be";
+        } else {
+          ws += L"UTF-8";
+        }
+        ws += L"\"?>";
+        pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+      } else {
+        ws.Format(L"<?%s", pInstruction->m_wsTarget.c_str());
+        pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+        std::vector<CFX_WideString>& attributes = pInstruction->m_Attributes;
+        int32_t i;
+        int32_t iCount = pdfium::CollectionSize<int32_t>(attributes);
+        CFX_WideString wsValue;
+        for (i = 0; i < iCount; i += 2) {
+          ws = L" ";
+          ws += attributes[i];
+          ws += L"=\"";
+          wsValue = attributes[i + 1];
+          wsValue.Replace(L"&", L"&amp;");
+          wsValue.Replace(L"<", L"&lt;");
+          wsValue.Replace(L">", L"&gt;");
+          wsValue.Replace(L"\'", L"&apos;");
+          wsValue.Replace(L"\"", L"&quot;");
+          ws += wsValue;
+          ws += L"\"";
+          pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+        }
+        std::vector<CFX_WideString>& targetdata = pInstruction->m_TargetData;
+        iCount = pdfium::CollectionSize<int32_t>(targetdata);
+        for (i = 0; i < iCount; i++) {
+          ws = L" \"";
+          ws += targetdata[i];
+          ws += L"\"";
+          pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+        }
+        ws = L"?>";
+        pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+      }
+    } break;
+    case FDE_XMLNODE_Element: {
+      CFX_WideString ws;
+      ws = L"<";
+      ws += ((CFDE_XMLElement*)pNode)->m_wsTag;
+      pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+      std::vector<CFX_WideString>& attributes =
+          static_cast<CFDE_XMLElement*>(pNode)->m_Attributes;
+      int32_t iCount = pdfium::CollectionSize<int32_t>(attributes);
+      CFX_WideString wsValue;
+      for (int32_t i = 0; i < iCount; i += 2) {
+        ws = L" ";
+        ws += attributes[i];
+        ws += L"=\"";
+        wsValue = attributes[i + 1];
+        wsValue.Replace(L"&", L"&amp;");
+        wsValue.Replace(L"<", L"&lt;");
+        wsValue.Replace(L">", L"&gt;");
+        wsValue.Replace(L"\'", L"&apos;");
+        wsValue.Replace(L"\"", L"&quot;");
+        ws += wsValue;
+        ws += L"\"";
+        pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+      }
+      if (pNode->m_pChild) {
+        ws = L"\n>";
+        pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+        CFDE_XMLNode* pChild = pNode->m_pChild;
+        while (pChild) {
+          pChild->SaveXMLNode(pXMLStream);
+          pChild = pChild->m_pNext;
+        }
+        ws = L"</";
+        ws += ((CFDE_XMLElement*)pNode)->m_wsTag;
+        ws += L"\n>";
+      } else {
+        ws = L"\n/>";
+      }
+      pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+    } break;
+    case FDE_XMLNODE_Text: {
+      CFX_WideString ws = ((CFDE_XMLText*)pNode)->m_wsText;
+      ws.Replace(L"&", L"&amp;");
+      ws.Replace(L"<", L"&lt;");
+      ws.Replace(L">", L"&gt;");
+      ws.Replace(L"\'", L"&apos;");
+      ws.Replace(L"\"", L"&quot;");
+      pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+    } break;
+    case FDE_XMLNODE_CharData: {
+      CFX_WideString ws = L"<![CDATA[";
+      ws += ((CFDE_XMLCharData*)pNode)->m_wsCharData;
+      ws += L"]]>";
+      pXMLStream->WriteString(ws.c_str(), ws.GetLength());
+    } break;
+    case FDE_XMLNODE_Unknown:
+      break;
+    default:
+      break;
+  }
+}
+
+void CFDE_XMLNode::CloneChildren(CFDE_XMLNode* pClone) {
+  if (!m_pChild) {
+    return;
+  }
+  CFDE_XMLNode* pNext = m_pChild;
+  CFDE_XMLNode* pCloneNext = pNext->Clone(true);
+  pClone->InsertChildNode(pCloneNext);
+  pNext = pNext->m_pNext;
+  while (pNext) {
+    CFDE_XMLNode* pChild = pNext->Clone(true);
+    pCloneNext->InsertNodeItem(CFDE_XMLNode::NextSibling, pChild);
+    pCloneNext = pChild;
+    pNext = pNext->m_pNext;
+  }
+}