139 lines
3.2 KiB
C++
139 lines
3.2 KiB
C++
/*
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* This file is a part of PikoTools
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2021-2022, Tomasz Sowa
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef headerfile_picotools_convert_baseparser
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#define headerfile_picotools_convert_baseparser
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#include <string>
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#include <fstream>
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#include "textstream/textstream.h"
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namespace pt
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{
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class BaseParser
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{
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protected:
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BaseParser();
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virtual void clear_input_flags();
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virtual void check_new_line();
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virtual int read_utf8_char();
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virtual int read_ascii_char();
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virtual int read_char_from_wchar_string();
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virtual int read_char_from_utf8_string();
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virtual int read_char_from_ascii_string();
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virtual int read_char_from_wtext_stream();
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virtual int read_char_from_utf8_text_stream();
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virtual int read_char_from_ascii_text_stream();
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virtual int read_char_no_escape();
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virtual int read_char();
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/*
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a number of a line in which there is a syntax_error
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*/
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int line;
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/*
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a number of a column in which there is a syntax_error
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*/
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int column;
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/*
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true if parse() method was called
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false if ParseString() was called
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*/
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bool reading_from_file;
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/*
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pointers to the current character
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if ParseString() is in used
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*/
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const char * pchar_ascii;
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const wchar_t * pchar_unicode;
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/*
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pointers to WTextStream iterators
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if set then both of them should be set
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*/
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WTextStream::const_iterator * wtext_stream_iterator;
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WTextStream::const_iterator * wtext_stream_iterator_end;
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/*
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pointers to TextStream iterators
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if set then both of them should be set
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*/
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TextStream::const_iterator * text_stream_iterator;
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TextStream::const_iterator * text_stream_iterator_end;
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/*
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last read char
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or -1 if the end
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*/
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int lastc;
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/*
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current file
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may it would be better to make a pointer?
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if we parse only a string then there is no sense to have such an object
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*/
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std::ifstream file;
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/*
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input file is in UTF-8
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default: true
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*/
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bool input_as_utf8;
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};
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}
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#endif
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