140 lines
4.7 KiB
C++
140 lines
4.7 KiB
C++
/*
|
|
Open Asset Import Library (assimp)
|
|
----------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2022, assimp team
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use of this software 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 the assimp team, nor the names of its
|
|
contributors may be used to endorse or promote products
|
|
derived from this software without specific prior
|
|
written permission of the assimp team.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"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 THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS 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.
|
|
|
|
----------------------------------------------------------------------
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief Default file I/O using fXXX()-family of functions
|
|
*/
|
|
#pragma once
|
|
#ifndef AI_DEFAULTIOSTREAM_H_INC
|
|
#define AI_DEFAULTIOSTREAM_H_INC
|
|
|
|
#ifdef __GNUC__
|
|
# pragma GCC system_header
|
|
#endif
|
|
|
|
#include <cstdio>
|
|
#include <assimp/IOStream.hpp>
|
|
#include <assimp/importerdesc.h>
|
|
|
|
namespace Assimp {
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
//! @class DefaultIOStream
|
|
//! @brief Default IO implementation, use standard IO operations
|
|
//! @note An instance of this class can exist without a valid file handle
|
|
//! attached to it. All calls fail, but the instance can nevertheless be
|
|
//! used with no restrictions.
|
|
class ASSIMP_API DefaultIOStream : public IOStream {
|
|
friend class DefaultIOSystem;
|
|
#if __ANDROID__
|
|
# if __ANDROID_API__ > 9
|
|
# if defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
|
|
friend class AndroidJNIIOSystem;
|
|
# endif // defined(AI_CONFIG_ANDROID_JNI_ASSIMP_MANAGER_SUPPORT)
|
|
# endif // __ANDROID_API__ > 9
|
|
#endif // __ANDROID__
|
|
|
|
protected:
|
|
/// @brief
|
|
DefaultIOStream() AI_NO_EXCEPT;
|
|
|
|
/// @brief The class constructor with the file name and the stream.
|
|
/// @param pFile The file-streaam
|
|
/// @param strFilename The file name
|
|
DefaultIOStream(FILE* pFile, const std::string &strFilename);
|
|
|
|
public:
|
|
/** Destructor public to allow simple deletion to close the file. */
|
|
~DefaultIOStream () override;
|
|
|
|
// -------------------------------------------------------------------
|
|
/// Read from stream
|
|
size_t Read(void* pvBuffer, size_t pSize, size_t pCount) override;
|
|
|
|
// -------------------------------------------------------------------
|
|
/// Write to stream
|
|
size_t Write(const void* pvBuffer, size_t pSize, size_t pCount) override;
|
|
|
|
// -------------------------------------------------------------------
|
|
/// Seek specific position
|
|
aiReturn Seek(size_t pOffset, aiOrigin pOrigin) override;
|
|
|
|
// -------------------------------------------------------------------
|
|
/// Get current seek position
|
|
size_t Tell() const override;
|
|
|
|
// -------------------------------------------------------------------
|
|
/// Get size of file
|
|
size_t FileSize() const override;
|
|
|
|
// -------------------------------------------------------------------
|
|
/// Flush file contents
|
|
void Flush() override;
|
|
|
|
private:
|
|
FILE* mFile;
|
|
std::string mFilename;
|
|
mutable size_t mCachedSize;
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
AI_FORCE_INLINE DefaultIOStream::DefaultIOStream() AI_NO_EXCEPT :
|
|
mFile(nullptr),
|
|
mFilename(),
|
|
mCachedSize(SIZE_MAX) {
|
|
// empty
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
AI_FORCE_INLINE DefaultIOStream::DefaultIOStream (FILE* pFile, const std::string &strFilename) :
|
|
mFile(pFile),
|
|
mFilename(strFilename),
|
|
mCachedSize(SIZE_MAX) {
|
|
// empty
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------------
|
|
|
|
} // ns assimp
|
|
|
|
#endif //!!AI_DEFAULTIOSTREAM_H_INC
|