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#ifndef _ANTLR3_FILESTREAM_HPP
#define _ANTLR3_FILESTREAM_HPP
// [The "BSD licence"]
// Copyright (c) 2005-2009 Gokulakannan Somasundaram, ElectronDB
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. 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.
// 3. The name of the author may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
namespace antlr3 {
template<class ImplTraits>
class FileUtils
{
public:
/** \brief Open an operating system file and return the descriptor
* We just use the common open() and related functions here.
* Later we might find better ways on systems
* such as Windows and OpenVMS for instance. But the idea is to read the
* while file at once anyway, so it may be irrelevant.
*/
static ANTLR_FDSC AntlrFopen(const ANTLR_UINT8* filename, const char * mode);
/** \brief Close an operating system file and free any handles
* etc.
*/
static void AntlrFclose (ANTLR_FDSC fd);
static ANTLR_UINT32 AntlrFsize(const ANTLR_UINT8* filename);
template<typename InputStreamType>
static ANTLR_UINT32 AntlrRead8Bit(InputStreamType* input, const ANTLR_UINT8* fileName);
static ANTLR_UINT32 AntlrFread(ANTLR_FDSC fdsc, ANTLR_UINT32 count, void* data);
};
class ParseFileAbsentException : public std::exception
{
virtual const char* what() const noexcept
{
return " Parse File not Present";
}
};
}
#include "antlr3filestream.inl"
#endif
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