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, 75 insertions, 0 deletions

diff --git a/core/fxcrt/xml/cfx_xmlnode.h b/core/fxcrt/xml/cfx_xmlnode.h
new file mode 100644
index 0000000000..7cbc2b6642
--- /dev/null
+++ b/core/fxcrt/xml/cfx_xmlnode.h
@@ -0,0 +1,75 @@
+// 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
+
+#ifndef CORE_FXCRT_XML_CFX_XMLNODE_H_
+#define CORE_FXCRT_XML_CFX_XMLNODE_H_
+
+#include <memory>
+
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/cfx_seekablestreamproxy.h"
+
+enum FX_XMLNODETYPE {
+  FX_XMLNODE_Unknown = 0,
+  FX_XMLNODE_Instruction,
+  FX_XMLNODE_Element,
+  FX_XMLNODE_Text,
+  FX_XMLNODE_CharData,
+};
+
+struct FX_XMLNODE {
+  int32_t iNodeNum;
+  FX_XMLNODETYPE eNodeType;
+};
+
+class CFX_XMLNode {
+ public:
+  enum NodeItem {
+    Root = 0,
+    Parent,
+    FirstSibling,
+    PriorSibling,
+    NextSibling,
+    LastSibling,
+    FirstNeighbor,
+    PriorNeighbor,
+    NextNeighbor,
+    LastNeighbor,
+    FirstChild,
+    LastChild
+  };
+
+  CFX_XMLNode();
+  virtual ~CFX_XMLNode();
+
+  virtual FX_XMLNODETYPE GetType() const;
+  virtual std::unique_ptr<CFX_XMLNode> Clone();
+
+  int32_t CountChildNodes() const;
+  CFX_XMLNode* GetChildNode(int32_t index) const;
+  int32_t GetChildNodeIndex(CFX_XMLNode* pNode) const;
+  int32_t InsertChildNode(CFX_XMLNode* pNode, int32_t index = -1);
+  void RemoveChildNode(CFX_XMLNode* pNode);
+  void DeleteChildren();
+
+  CFX_XMLNode* GetPath(const wchar_t* pPath,
+                       int32_t iLength = -1,
+                       bool bQualifiedName = true) const;
+
+  int32_t GetNodeLevel() const;
+  CFX_XMLNode* GetNodeItem(CFX_XMLNode::NodeItem eItem) const;
+  bool InsertNodeItem(CFX_XMLNode::NodeItem eItem, CFX_XMLNode* pNode);
+  CFX_XMLNode* RemoveNodeItem(CFX_XMLNode::NodeItem eItem);
+
+  void SaveXMLNode(const CFX_RetainPtr<CFX_SeekableStreamProxy>& pXMLStream);
+
+  CFX_XMLNode* m_pParent;
+  CFX_XMLNode* m_pChild;
+  CFX_XMLNode* m_pPrior;
+  CFX_XMLNode* m_pNext;
+};
+
+#endif  // CORE_FXCRT_XML_CFX_XMLNODE_H_