1 files changed, 130 insertions, 0 deletions
diff --git a/core/fxcrt/xml_int.h b/core/fxcrt/xml_int.h
new file mode 100644
index 0000000000..18dbf9b955
--- /dev/null
+++ b/core/fxcrt/xml_int.h
@@ -0,0 +1,130 @@
+// Copyright 2014 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_INT_H_
+#define CORE_FXCRT_XML_INT_H_
+
+#include <algorithm>
+
+#include "core/include/fxcrt/fx_stream.h"
+
+class CFX_UTF8Decoder;
+class CXML_Element;
+
+class CXML_DataBufAcc : public IFX_BufferRead {
+ public:
+  CXML_DataBufAcc(const uint8_t* pBuffer, size_t size)
+      : m_pBuffer(pBuffer), m_dwSize(size), m_dwCurPos(0) {}
+  ~CXML_DataBufAcc() override {}
+
+  // IFX_BufferRead
+  void Release() override { delete this; }
+  FX_BOOL IsEOF() override { return m_dwCurPos >= m_dwSize; }
+  FX_FILESIZE GetPosition() override { return (FX_FILESIZE)m_dwCurPos; }
+  size_t ReadBlock(void* buffer, size_t size) override { return 0; }
+  FX_BOOL ReadNextBlock(FX_BOOL bRestart = FALSE) override {
+    if (bRestart) {
+      m_dwCurPos = 0;
+    }
+    if (m_dwCurPos < m_dwSize) {
+      m_dwCurPos = m_dwSize;
+      return TRUE;
+    }
+    return FALSE;
+  }
+  const uint8_t* GetBlockBuffer() override { return m_pBuffer; }
+  size_t GetBlockSize() override { return m_dwSize; }
+  FX_FILESIZE GetBlockOffset() override { return 0; }
+
+ protected:
+  const uint8_t* m_pBuffer;
+  size_t m_dwSize;
+  size_t m_dwCurPos;
+};
+
+class CXML_DataStmAcc : public IFX_BufferRead {
+ public:
+  explicit CXML_DataStmAcc(IFX_FileRead* pFileRead)
+      : m_pFileRead(pFileRead), m_pBuffer(NULL), m_nStart(0), m_dwSize(0) {
+    FXSYS_assert(m_pFileRead);
+  }
+  ~CXML_DataStmAcc() override { FX_Free(m_pBuffer); }
+
+  void Release() override { delete this; }
+  FX_BOOL IsEOF() override {
+    return m_nStart + (FX_FILESIZE)m_dwSize >= m_pFileRead->GetSize();
+  }
+  FX_FILESIZE GetPosition() override {
+    return m_nStart + (FX_FILESIZE)m_dwSize;
+  }
+  size_t ReadBlock(void* buffer, size_t size) override { return 0; }
+  FX_BOOL ReadNextBlock(FX_BOOL bRestart = FALSE) override {
+    if (bRestart) {
+      m_nStart = 0;
+    }
+    FX_FILESIZE nLength = m_pFileRead->GetSize();
+    m_nStart += (FX_FILESIZE)m_dwSize;
+    if (m_nStart >= nLength) {
+      return FALSE;
+    }
+    static const FX_FILESIZE FX_XMLDATASTREAM_BufferSize = 32 * 1024;
+    m_dwSize = static_cast<size_t>(
+        std::min(FX_XMLDATASTREAM_BufferSize, nLength - m_nStart));
+    if (!m_pBuffer) {
+      m_pBuffer = FX_Alloc(uint8_t, m_dwSize);
+    }
+    return m_pFileRead->ReadBlock(m_pBuffer, m_nStart, m_dwSize);
+  }
+  const uint8_t* GetBlockBuffer() override { return (const uint8_t*)m_pBuffer; }
+  size_t GetBlockSize() override { return m_dwSize; }
+  FX_FILESIZE GetBlockOffset() override { return m_nStart; }
+
+ protected:
+  IFX_FileRead* m_pFileRead;
+  uint8_t* m_pBuffer;
+  FX_FILESIZE m_nStart;
+  size_t m_dwSize;
+};
+
+class CXML_Parser {
+ public:
+  ~CXML_Parser();
+  IFX_BufferRead* m_pDataAcc;
+  FX_BOOL m_bOwnedStream;
+  FX_FILESIZE m_nOffset;
+  FX_BOOL m_bSaveSpaceChars;
+  const uint8_t* m_pBuffer;
+  size_t m_dwBufferSize;
+  FX_FILESIZE m_nBufferOffset;
+  size_t m_dwIndex;
+  FX_BOOL Init(uint8_t* pBuffer, size_t size);
+  FX_BOOL Init(IFX_FileRead* pFileRead);
+  FX_BOOL Init(IFX_BufferRead* pBuffer);
+  FX_BOOL Init(FX_BOOL bOwndedStream);
+  FX_BOOL ReadNextBlock();
+  FX_BOOL IsEOF();
+  FX_BOOL HaveAvailData();
+  void SkipWhiteSpaces();
+  void GetName(CFX_ByteString& space, CFX_ByteString& name);
+  void GetAttrValue(CFX_WideString& value);
+  FX_DWORD GetCharRef();
+  void GetTagName(CFX_ByteString& space,
+                  CFX_ByteString& name,
+                  FX_BOOL& bEndTag,
+                  FX_BOOL bStartTag = FALSE);
+  void SkipLiterals(const CFX_ByteStringC& str);
+  CXML_Element* ParseElement(CXML_Element* pParent, FX_BOOL bStartTag = FALSE);
+  void InsertContentSegment(FX_BOOL bCDATA,
+                            const CFX_WideStringC& content,
+                            CXML_Element* pElement);
+  void InsertCDATASegment(CFX_UTF8Decoder& decoder, CXML_Element* pElement);
+};
+
+void FX_XML_SplitQualifiedName(const CFX_ByteStringC& bsFullName,
+                               CFX_ByteStringC& bsSpace,
+                               CFX_ByteStringC& bsName);
+
+#endif  // CORE_FXCRT_XML_INT_H_