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Diffstat (limited to 'lib/libUPnP/Neptune/Source/Core/NptZip.h')
| -rw-r--r-- | lib/libUPnP/Neptune/Source/Core/NptZip.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/lib/libUPnP/Neptune/Source/Core/NptZip.h b/lib/libUPnP/Neptune/Source/Core/NptZip.h new file mode 100644 index 0000000..fbbebcb --- /dev/null +++ b/lib/libUPnP/Neptune/Source/Core/NptZip.h @@ -0,0 +1,220 @@ +/***************************************************************** +| +| Neptune - Zip Support +| +| Copyright (c) 2002-2008, Axiomatic Systems, LLC. +| All rights reserved. +| +| Redistribution and use in source and binary forms, with or without +| modification, are permitted provided that the following conditions are met: +| * Redistributions of source code must retain the above copyright +| notice, this list of conditions and the following disclaimer. +| * Redistributions in binary form must reproduce the above copyright +| notice, this list of conditions and the following disclaimer in the +| documentation and/or other materials provided with the distribution. +| * Neither the name of Axiomatic Systems nor the +| names of its contributors may be used to endorse or promote products +| derived from this software without specific prior written permission. +| +| THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY +| EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +| DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY +| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +| + ****************************************************************/ + +#ifndef _NPT_ZIP_H_ +#define _NPT_ZIP_H_ + +/*---------------------------------------------------------------------- +| includes ++---------------------------------------------------------------------*/ +#include "NptConfig.h" +#include "NptStreams.h" +#include "NptArray.h" +#include "NptFile.h" + +/*---------------------------------------------------------------------- +| class references ++---------------------------------------------------------------------*/ +class NPT_ZipInflateState; +class NPT_ZipDeflateState; + +/*---------------------------------------------------------------------- +| NPT_ZipFile ++---------------------------------------------------------------------*/ +const unsigned int NPT_ZIP_FILE_FLAG_ENCRYPTED = 0x01; +const unsigned int NPT_ZIP_FILE_COMPRESSION_METHOD_NONE = 0x00; +const unsigned int NPT_ZIP_FILE_COMPRESSION_METHOD_DEFLATE = 0x08; + +class NPT_ZipFile +{ +public: + // types + class Entry { + public: + Entry(const unsigned char* data, NPT_Size data_available); + NPT_String m_Name; + NPT_UInt16 m_Flags; + NPT_UInt16 m_CompressionMethod; + NPT_UInt32 m_Crc32; + NPT_LargeSize m_CompressedSize; + NPT_LargeSize m_UncompressedSize; + NPT_UInt16 m_DiskNumber; + NPT_UInt16 m_InternalFileAttributes; + NPT_UInt32 m_ExternalFileAttributes; + NPT_Position m_RelativeOffset; + NPT_UInt32 m_DirectoryEntrySize; + }; + + // class methods + static NPT_Result Parse(NPT_InputStream& stream, NPT_ZipFile*& file); + static NPT_Result GetInputStream(Entry& entry, NPT_InputStreamReference& zip_stream, NPT_InputStream*& file_stream); + + // accessors + NPT_Array<Entry>& GetEntries() { return m_Entries; } + +private: + // constructor + NPT_ZipFile(); + + // members + NPT_Array<Entry> m_Entries; +}; + +/*---------------------------------------------------------------------- +| NPT_Zip ++---------------------------------------------------------------------*/ +const int NPT_ZIP_COMPRESSION_LEVEL_DEFAULT = -1; +const int NPT_ZIP_COMPRESSION_LEVEL_MIN = 0; +const int NPT_ZIP_COMPRESSION_LEVEL_MAX = 9; +const int NPT_ZIP_COMPRESSION_LEVEL_NONE = 0; +class NPT_Zip +{ +public: + // class methods + static NPT_Result MapError(int err); + + /** + * Compressed data format + */ + typedef enum { + ZLIB, + GZIP + } Format; + + /** + * Deflate (i.e compress) a buffer + */ + static NPT_Result Deflate(const NPT_DataBuffer& in, + NPT_DataBuffer& out, + int compression_level = NPT_ZIP_COMPRESSION_LEVEL_DEFAULT, + Format format = ZLIB); + + /** + * Inflate (i.e decompress) a buffer + */ + static NPT_Result Inflate(const NPT_DataBuffer& in, + NPT_DataBuffer& out, + bool raw = false); + + /** + * Deflate (i.e compress) a file + */ + static NPT_Result Deflate(NPT_File& in, + NPT_File& out, + int compression_level = NPT_ZIP_COMPRESSION_LEVEL_DEFAULT, + Format format = GZIP); + +}; + +/*---------------------------------------------------------------------- +| NPT_ZipInflatingInputStream ++---------------------------------------------------------------------*/ +class NPT_ZipInflatingInputStream : public NPT_InputStream +{ +public: + NPT_ZipInflatingInputStream(NPT_InputStreamReference& source, bool raw = false); + ~NPT_ZipInflatingInputStream() override; + + // NPT_InputStream methods + NPT_Result Read(void* buffer, + NPT_Size bytes_to_read, + NPT_Size* bytes_read = NULL) override; + NPT_Result Seek(NPT_Position offset) override; + NPT_Result Tell(NPT_Position& offset) override; + NPT_Result GetSize(NPT_LargeSize& size) override; + NPT_Result GetAvailable(NPT_LargeSize& available) override; + +private: + NPT_InputStreamReference m_Source; + NPT_Position m_Position; + NPT_ZipInflateState* m_State; + NPT_DataBuffer m_Buffer; +}; + +/*---------------------------------------------------------------------- +| NPT_ZipInflatingOutputStream ++---------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------- +| NPT_ZipDeflatingInputStream ++---------------------------------------------------------------------*/ +class NPT_ZipDeflatingInputStream : public NPT_InputStream +{ +public: + NPT_ZipDeflatingInputStream(NPT_InputStreamReference& source, + int compression_level = NPT_ZIP_COMPRESSION_LEVEL_DEFAULT, + NPT_Zip::Format format = NPT_Zip::ZLIB); + ~NPT_ZipDeflatingInputStream() override; + + // NPT_InputStream methods + NPT_Result Read(void* buffer, + NPT_Size bytes_to_read, + NPT_Size* bytes_read = NULL) override; + NPT_Result Seek(NPT_Position offset) override; + NPT_Result Tell(NPT_Position& offset) override; + NPT_Result GetSize(NPT_LargeSize& size) override; + NPT_Result GetAvailable(NPT_LargeSize& available) override; + +private: + NPT_InputStreamReference m_Source; + NPT_Position m_Position; + bool m_Eos; + NPT_ZipDeflateState* m_State; + NPT_DataBuffer m_Buffer; +}; + +/*---------------------------------------------------------------------- +| NPT_ZipDeflatingOutputStream ++---------------------------------------------------------------------*/ +/*class NPT_ZipDeflatingOutputStream : public NPT_OutputStream +{ +public: + NPT_ZipDeflatingOutputStream(NPT_OutputStreamReference& source, + int compression_level = NPT_ZIP_COMPRESSION_LEVEL_DEFAULT, + NPT_Zip::Format format = NPT_Zip::ZLIB); + NPT_ZipDeflatingOutputStream(); + + // NPT_OutputStream methods + virtual NPT_Result Write(void* buffer, + NPT_Size bytes_to_write, + NPT_Size* bytes_written = NULL); + virtual NPT_Result Seek(NPT_Position offset); + virtual NPT_Result Tell(NPT_Position& offset); + +private: + NPT_OutputStreamReference m_Output; + NPT_Position m_Position; + bool m_Eos; + NPT_ZipDeflateState* m_State; + NPT_DataBuffer m_Buffer; +}; */ + +#endif // _NPT_ZIP_H_ |