122 lines
3.4 KiB
C++
122 lines
3.4 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file pandaFileStream.h
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* @author drose
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* @date 2008-09-08
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*/
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#ifndef PANDAFILESTREAM_H
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#define PANDAFILESTREAM_H
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#include "dtoolbase.h"
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#ifdef USE_PANDAFILESTREAM
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#include "pandaFileStreamBuf.h"
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/**
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* Implements a C++ stream object suitable for reading from files on disk.
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* This is similar to ifstream, but it provides low-level support for Panda's
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* simple-threading implementation (using this interface will block only the
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* current thread, rather than the entire process, on I/O waits).
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*/
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class EXPCL_DTOOL_DTOOLUTIL IFileStream : public std::istream {
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PUBLISHED:
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INLINE IFileStream();
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INLINE explicit IFileStream(const char *filename, std::ios::openmode mode = std::ios::in);
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INLINE ~IFileStream();
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INLINE void open(const char *filename, std::ios::openmode mode = std::ios::in);
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public:
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#ifdef _WIN32
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INLINE void attach(const char *filename, HANDLE handle, std::ios::openmode mode = std::ios::in);
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#else
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INLINE void attach(const char *filename, int fd, std::ios::openmode mode = std::ios::in);
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#endif
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PUBLISHED:
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INLINE void close();
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private:
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PandaFileStreamBuf _buf;
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};
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/**
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* Implements a C++ stream object suitable for writing to files on disk. This
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* is similar to ofstream, but it provides low-level support for Panda's
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* simple-threading implementation (using this interface will block only the
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* current thread, rather than the entire process, on I/O waits).
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*/
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class EXPCL_DTOOL_DTOOLUTIL OFileStream : public std::ostream {
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PUBLISHED:
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INLINE OFileStream();
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INLINE explicit OFileStream(const char *filename, std::ios::openmode mode = std::ios::out);
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INLINE ~OFileStream();
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INLINE void open(const char *filename, std::ios::openmode mode = std::ios::out);
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public:
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#ifdef _WIN32
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INLINE void attach(const char *filename, HANDLE handle, std::ios::openmode mode = std::ios::out);
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#else
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INLINE void attach(const char *filename, int fd, std::ios::openmode mode = std::ios::out);
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#endif
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PUBLISHED:
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INLINE void close();
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private:
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PandaFileStreamBuf _buf;
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};
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/**
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* Implements a C++ stream object suitable for reading from and/or writing to
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* files on disk. This is similar to fstream, but it provides low-level
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* support for Panda's simple-threading implementation (using this interface
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* will block only the current thread, rather than the entire process, on I/O
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* waits).
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*/
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class EXPCL_DTOOL_DTOOLUTIL FileStream : public std::iostream {
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PUBLISHED:
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INLINE FileStream();
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INLINE explicit FileStream(const char *filename, std::ios::openmode mode = std::ios::in);
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INLINE ~FileStream();
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INLINE void open(const char *filename, std::ios::openmode mode = std::ios::in);
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public:
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#ifdef _WIN32
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INLINE void attach(const char *filename, HANDLE handle, std::ios::openmode mode);
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#else
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INLINE void attach(const char *filename, int fd, std::ios::openmode mode);
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#endif
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PUBLISHED:
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INLINE void close();
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private:
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PandaFileStreamBuf _buf;
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};
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#include "pandaFileStream.I"
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typedef IFileStream pifstream;
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typedef OFileStream pofstream;
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typedef FileStream pfstream;
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#else // USE_PANDAFILESTREAM
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typedef ifstream pifstream;
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typedef ofstream pofstream;
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typedef fstream pfstream;
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#endif // USE_PANDAFILESTREAM
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#endif
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