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76 lines
2.7 KiB
76 lines
2.7 KiB
#ifndef _ANTLR3_FILESTREAM_HPP
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#define _ANTLR3_FILESTREAM_HPP
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// [The "BSD licence"]
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// Copyright (c) 2005-2009 Gokulakannan Somasundaram, ElectronDB
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// 3. The name of the author may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <exception>
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#include <string>
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#include "antlr3defs.hpp"
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ANTLR_BEGIN_NAMESPACE()
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template<class ImplTraits>
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class FileUtils
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{
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public:
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/** \brief Open an operating system file and return the descriptor
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* We just use the common open() and related functions here.
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* Later we might find better ways on systems
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* such as Windows and OpenVMS for instance. But the idea is to read the
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* while file at once anyway, so it may be irrelevant.
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*/
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static ANTLR_FDSC AntlrFopen(const ANTLR_UINT8* filename, const char * mode);
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/** \brief Close an operating system file and free any handles
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* etc.
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*/
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static void AntlrFclose (ANTLR_FDSC fd);
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static ANTLR_UINT32 AntlrFsize(const ANTLR_UINT8* filename);
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template<typename InputStreamType>
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static ANTLR_UINT32 AntlrRead8Bit(InputStreamType* input, const ANTLR_UINT8* fileName);
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static ANTLR_UINT32 AntlrFread(ANTLR_FDSC fdsc, ANTLR_UINT32 count, void* data);
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};
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class ParseFileAbsentException : public std::exception
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{
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virtual const char* what() const throw()
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{
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return " Parse File not Present";
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}
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};
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ANTLR_END_NAMESPACE()
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#include "antlr3filestream.inl"
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#endif
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