102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/*
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* This file is a part of PikoTools
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* and is distributed under the (new) 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) 2017, 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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* * 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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* * 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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* * Neither the name Tomasz Sowa nor the names of contributors to this
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* project may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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 OWNER 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
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef headerfile_picotools_convert_text
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#define headerfile_picotools_convert_text
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namespace PT
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{
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bool IsWhite(wchar_t c, bool check_additional_chars = true, bool treat_new_line_as_white = true);
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bool IsDigit(wchar_t c, int base = 10, int * digit = 0);
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template<class CharType>
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CharType * SkipWhite(CharType * str, bool check_additional_chars = true, bool treat_new_line_as_white = true)
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{
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while( IsWhite(static_cast<wchar_t>(*str), check_additional_chars, treat_new_line_as_white) )
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{
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str += 1;
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}
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return str;
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}
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/*
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*
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* str_end is pointing at the end of the string (the last item + one)
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*
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* return value is a pointer to the first white character after a non-white character at the end
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* or to the last+one if there is no any white characters
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*
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*/
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template<class CharType>
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CharType * SkipWhiteFromBack(CharType * str_begin, CharType * str_end, bool check_additional_chars = true, bool treat_new_line_as_white = true)
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{
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while( str_end > str_begin && IsWhite(static_cast<wchar_t>(*(str_end-1)), check_additional_chars, treat_new_line_as_white) )
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{
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str_end -= 1;
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}
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return str_end;
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}
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template<class CharType>
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CharType * SkipWhiteFromBack(CharType * str, bool check_additional_chars = true, bool treat_new_line_as_white = true)
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{
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CharType * str_begin = str;
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while( *str != 0 )
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{
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str += 1;
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}
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return SkipWhiteFromBack(str_begin, str, check_additional_chars, treat_new_line_as_white);
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}
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}
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#endif
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