diff options
Diffstat (limited to 'core/src/fxcrt/xml_int.h')
| -rw-r--r-- | core/src/fxcrt/xml_int.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/core/src/fxcrt/xml_int.h b/core/src/fxcrt/xml_int.h new file mode 100644 index 0000000000..8ad8ef4b88 --- /dev/null +++ b/core/src/fxcrt/xml_int.h @@ -0,0 +1,178 @@ +// 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 _FXCRT_XML_INT_
+#define _FXCRT_XML_INT_
+class CXML_DataBufAcc : public IFX_BufferRead, public CFX_Object
+{
+public:
+ CXML_DataBufAcc(FX_LPCBYTE pBuffer, size_t size, IFX_Allocator* pAllocator = NULL)
+ : m_pAllocator(pAllocator)
+ , m_pBuffer(pBuffer)
+ , m_dwSize(size)
+ , m_dwCurPos(0)
+ {
+ }
+ virtual ~CXML_DataBufAcc() {}
+ virtual void Release()
+ {
+ if (m_pAllocator) {
+ FX_DeleteAtAllocator(this, m_pAllocator, CXML_DataBufAcc);
+ } else {
+ delete this;
+ }
+ }
+ virtual FX_BOOL IsEOF()
+ {
+ return m_dwCurPos >= m_dwSize;
+ }
+ virtual FX_FILESIZE GetPosition()
+ {
+ return (FX_FILESIZE)m_dwCurPos;
+ }
+ virtual size_t ReadBlock(void* buffer, size_t size)
+ {
+ return 0;
+ }
+ virtual FX_BOOL ReadNextBlock(FX_BOOL bRestart = FALSE)
+ {
+ if (bRestart) {
+ m_dwCurPos = 0;
+ }
+ if (m_dwCurPos < m_dwSize) {
+ m_dwCurPos = m_dwSize;
+ return TRUE;
+ }
+ return FALSE;
+ }
+ virtual FX_LPCBYTE GetBlockBuffer()
+ {
+ return m_pBuffer;
+ }
+ virtual size_t GetBlockSize()
+ {
+ return m_dwSize;
+ }
+ virtual FX_FILESIZE GetBlockOffset()
+ {
+ return 0;
+ }
+protected:
+ IFX_Allocator* m_pAllocator;
+ FX_LPCBYTE m_pBuffer;
+ size_t m_dwSize;
+ size_t m_dwCurPos;
+};
+#define FX_XMLDATASTREAM_BufferSize (32 * 1024)
+class CXML_DataStmAcc : public IFX_BufferRead, public CFX_Object
+{
+public:
+ CXML_DataStmAcc(IFX_FileRead *pFileRead, IFX_Allocator* pAllocator = NULL)
+ : m_pAllocator(pAllocator)
+ , m_pFileRead(pFileRead)
+ , m_pBuffer(NULL)
+ , m_nStart(0)
+ , m_dwSize(0)
+ {
+ FXSYS_assert(m_pFileRead != NULL);
+ }
+ virtual ~CXML_DataStmAcc()
+ {
+ if (m_pBuffer) {
+ FX_Allocator_Free(m_pAllocator, m_pBuffer);
+ }
+ }
+ virtual void Release()
+ {
+ if (m_pAllocator) {
+ FX_DeleteAtAllocator(this, m_pAllocator, CXML_DataStmAcc);
+ } else {
+ delete this;
+ }
+ }
+ virtual FX_BOOL IsEOF()
+ {
+ return m_nStart + (FX_FILESIZE)m_dwSize >= m_pFileRead->GetSize();
+ }
+ virtual FX_FILESIZE GetPosition()
+ {
+ return m_nStart + (FX_FILESIZE)m_dwSize;
+ }
+ virtual size_t ReadBlock(void* buffer, size_t size)
+ {
+ return 0;
+ }
+ virtual FX_BOOL ReadNextBlock(FX_BOOL bRestart = FALSE)
+ {
+ if (bRestart) {
+ m_nStart = 0;
+ }
+ FX_FILESIZE nLength = m_pFileRead->GetSize();
+ m_nStart += (FX_FILESIZE)m_dwSize;
+ if (m_nStart >= nLength) {
+ return FALSE;
+ }
+ m_dwSize = (size_t)FX_MIN(FX_XMLDATASTREAM_BufferSize, nLength - m_nStart);
+ if (!m_pBuffer) {
+ m_pBuffer = FX_Allocator_Alloc(m_pAllocator, FX_BYTE, m_dwSize);
+ if (!m_pBuffer) {
+ return FALSE;
+ }
+ }
+ return m_pFileRead->ReadBlock(m_pBuffer, m_nStart, m_dwSize);
+ }
+ virtual FX_LPCBYTE GetBlockBuffer()
+ {
+ return (FX_LPCBYTE)m_pBuffer;
+ }
+ virtual size_t GetBlockSize()
+ {
+ return m_dwSize;
+ }
+ virtual FX_FILESIZE GetBlockOffset()
+ {
+ return m_nStart;
+ }
+protected:
+ IFX_Allocator* m_pAllocator;
+ IFX_FileRead *m_pFileRead;
+ FX_LPBYTE m_pBuffer;
+ FX_FILESIZE m_nStart;
+ size_t m_dwSize;
+};
+class CXML_Parser
+{
+public:
+ CXML_Parser(IFX_Allocator* pAllocator = NULL) : m_pAllocator(pAllocator) {}
+ ~CXML_Parser();
+ IFX_Allocator* m_pAllocator;
+ IFX_BufferRead* m_pDataAcc;
+ FX_BOOL m_bOwnedStream;
+ FX_FILESIZE m_nOffset;
+ FX_BOOL m_bSaveSpaceChars;
+ FX_LPCBYTE m_pBuffer;
+ size_t m_dwBufferSize;
+ FX_FILESIZE m_nBufferOffset;
+ size_t m_dwIndex;
+ FX_BOOL Init(FX_LPBYTE 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_ByteStringL &space, CFX_ByteStringL &name);
+ void GetAttrValue(CFX_WideStringL &value);
+ FX_DWORD GetCharRef();
+ void GetTagName(CFX_ByteStringL &space, CFX_ByteStringL &name, FX_BOOL &bEndTag, FX_BOOL bStartTag = FALSE);
+ void SkipLiterals(FX_BSTR str);
+ CXML_Element* ParseElement(CXML_Element* pParent, FX_BOOL bStartTag = FALSE);
+ void InsertContentSegment(FX_BOOL bCDATA, FX_WSTR content, CXML_Element* pElement);
+ void InsertCDATASegment(CFX_UTF8Decoder& decoder, CXML_Element* pElement);
+};
+void FX_XML_SplitQualifiedName(FX_BSTR bsFullName, CFX_ByteStringC &bsSpace, CFX_ByteStringC &bsName);
+#endif
|