nuclear@0: /*
nuclear@0: ---------------------------------------------------------------------------
nuclear@0: Open Asset Import Library (assimp)
nuclear@0: ---------------------------------------------------------------------------
nuclear@0: 
nuclear@0: Copyright (c) 2006-2012, assimp team
nuclear@0: 
nuclear@0: All rights reserved.
nuclear@0: 
nuclear@0: Redistribution and use of this software in source and binary forms, 
nuclear@0: with or without modification, are permitted provided that the following 
nuclear@0: conditions are met:
nuclear@0: 
nuclear@0: * Redistributions of source code must retain the above
nuclear@0:   copyright notice, this list of conditions and the
nuclear@0:   following disclaimer.
nuclear@0: 
nuclear@0: * Redistributions in binary form must reproduce the above
nuclear@0:   copyright notice, this list of conditions and the
nuclear@0:   following disclaimer in the documentation and/or other
nuclear@0:   materials provided with the distribution.
nuclear@0: 
nuclear@0: * Neither the name of the assimp team, nor the names of its
nuclear@0:   contributors may be used to endorse or promote products
nuclear@0:   derived from this software without specific prior
nuclear@0:   written permission of the assimp team.
nuclear@0: 
nuclear@0: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
nuclear@0: "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
nuclear@0: LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0: A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
nuclear@0: OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
nuclear@0: LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
nuclear@0: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
nuclear@0: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
nuclear@0: OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0: ---------------------------------------------------------------------------
nuclear@0: */
nuclear@0: 
nuclear@0: /** @file aiFileIO -> IOSystem wrapper*/
nuclear@0: 
nuclear@0: #ifndef AI_CIOSYSTEM_H_INCLUDED
nuclear@0: #define AI_CIOSYSTEM_H_INCLUDED
nuclear@0: 
nuclear@0: #include "assimp/cfileio.h"
nuclear@0: 
nuclear@0: namespace Assimp	{
nuclear@0: 	
nuclear@0: // ------------------------------------------------------------------------------------------------
nuclear@0: // Custom IOStream implementation for the C-API
nuclear@0: class CIOStreamWrapper : public IOStream
nuclear@0: {
nuclear@0: 	friend class CIOSystemWrapper;
nuclear@0: public:
nuclear@0: 
nuclear@0: 	CIOStreamWrapper(aiFile* pFile)
nuclear@0: 		: mFile(pFile)
nuclear@0: 	{}
nuclear@0: 
nuclear@0: 	// ...................................................................
nuclear@0: 	size_t Read(void* pvBuffer, 
nuclear@0: 		size_t pSize, 
nuclear@0: 		size_t pCount
nuclear@0: 	){
nuclear@0: 		// need to typecast here as C has no void*
nuclear@0: 		return mFile->ReadProc(mFile,(char*)pvBuffer,pSize,pCount);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	// ...................................................................
nuclear@0: 	size_t Write(const void* pvBuffer, 
nuclear@0: 		size_t pSize,
nuclear@0: 		size_t pCount
nuclear@0: 	){
nuclear@0: 		// need to typecast here as C has no void*
nuclear@0: 		return mFile->WriteProc(mFile,(const char*)pvBuffer,pSize,pCount);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	// ...................................................................
nuclear@0: 	aiReturn Seek(size_t pOffset,
nuclear@0: 		aiOrigin pOrigin
nuclear@0: 	){
nuclear@0: 		return mFile->SeekProc(mFile,pOffset,pOrigin);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	// ...................................................................
nuclear@0: 	size_t Tell(void) const {
nuclear@0: 		return mFile->TellProc(mFile);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	// ...................................................................
nuclear@0: 	size_t	FileSize() const {
nuclear@0: 		return mFile->FileSizeProc(mFile);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	// ...................................................................
nuclear@0: 	void Flush () {
nuclear@0: 		return mFile->FlushProc(mFile);
nuclear@0: 	}
nuclear@0: 
nuclear@0: private:
nuclear@0: 	aiFile* mFile;
nuclear@0: };
nuclear@0: 
nuclear@0: // ------------------------------------------------------------------------------------------------
nuclear@0: // Custom IOStream implementation for the C-API
nuclear@0: class CIOSystemWrapper : public IOSystem
nuclear@0: {
nuclear@0: public:
nuclear@0: 	CIOSystemWrapper(aiFileIO* pFile)
nuclear@0: 		: mFileSystem(pFile)
nuclear@0: 	{}
nuclear@0: 
nuclear@0: 	// ...................................................................
nuclear@0: 	bool Exists( const char* pFile) const {
nuclear@0: 		aiFile* p = mFileSystem->OpenProc(mFileSystem,pFile,"rb");		
nuclear@0: 		if (p){
nuclear@0: 			mFileSystem->CloseProc(mFileSystem,p);
nuclear@0: 			return true;
nuclear@0: 		}
nuclear@0: 		return false;
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	// ...................................................................
nuclear@0: 	char getOsSeparator() const {
nuclear@0: #ifndef _WIN32
nuclear@0: 		return '/';
nuclear@0: #else
nuclear@0: 		return '\\';
nuclear@0: #endif
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	// ...................................................................
nuclear@0: 	IOStream* Open(const char* pFile,const char* pMode = "rb") {
nuclear@0: 		aiFile* p = mFileSystem->OpenProc(mFileSystem,pFile,pMode);
nuclear@0: 		if (!p) {
nuclear@0: 			return NULL;
nuclear@0: 		}
nuclear@0: 		return new CIOStreamWrapper(p);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	// ...................................................................
nuclear@0: 	void Close( IOStream* pFile) {
nuclear@0: 		if (!pFile) {
nuclear@0: 			return;
nuclear@0: 		}
nuclear@0: 		mFileSystem->CloseProc(mFileSystem,((CIOStreamWrapper*) pFile)->mFile);
nuclear@0: 		delete pFile;
nuclear@0: 	}
nuclear@0: private:
nuclear@0: 	aiFileIO* mFileSystem;
nuclear@0: };
nuclear@0: 
nuclear@0: }
nuclear@0: 
nuclear@0: #endif
nuclear@0: