2021-05-08 22:37:31 +02:00
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/*
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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) 2021, 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_private
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#define headerfile_picotools_convert_text_private
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#include <string>
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2021-05-10 20:04:12 +02:00
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#include "text.h"
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2021-05-20 16:11:12 +02:00
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namespace pt
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{
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namespace pt_private
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{
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template<class CharType>
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CharType to_lower_generic(CharType c)
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{
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if( c >= 'A' && c <= 'Z' )
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return c - 'A' + 'a';
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return c;
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}
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template<class CharType>
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CharType to_upper_generic(CharType c)
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{
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if( c >= 'a' && c <= 'z' )
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return c - 'a' + 'A';
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return c;
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}
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template<class StringType>
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void to_lower_str_generic(StringType & s)
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{
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typename StringType::size_type i;
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for(i=0 ; i<s.size() ; ++i)
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s[i] = to_lower(s[i]);
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}
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template<class StringType>
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void to_upper_str_generic(StringType & s)
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{
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typename StringType::size_type i;
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for(i=0 ; i<s.size() ; ++i)
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2021-05-10 20:04:12 +02:00
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s[i] = to_upper(s[i]);
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}
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2021-05-10 20:04:12 +02:00
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template<class CharType>
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CharType * skip_white_generic(CharType * str, bool check_additional_chars, bool treat_new_line_as_white)
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{
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while( is_white(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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template<class CharType>
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CharType * skip_white_from_back_generic(CharType * str_begin, CharType * str_end, bool check_additional_chars, bool treat_new_line_as_white)
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{
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while( str_end > str_begin && is_white(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 * skip_white_from_back_generic(CharType * str, bool check_additional_chars, bool treat_new_line_as_white)
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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 skip_white_from_back_generic(str_begin, str, check_additional_chars, treat_new_line_as_white);
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}
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template<class StringType1, class StringType2>
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int compare_generic(const StringType1 * str1, const StringType2 * str2)
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{
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while( *str1 && *str2 && *str1 == *str2 )
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{
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++str1;
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++str2;
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}
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if( *str1 == 0 && *str2 == 0 )
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return 0;
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int c1;
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int c2;
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if constexpr (sizeof(StringType1) == 1 && sizeof(StringType2) == 1)
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{
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c1 = (wchar_t)(unsigned char)(*str1);
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c2 = (wchar_t)(unsigned char)(*str2);
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}
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else
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{
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c1 = *str1;
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c2 = *str2;
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}
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return c1 - c2;
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}
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template<class StringType1, class StringType2>
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int compare_str_generic(const StringType1 & str1, const StringType2 & str2)
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{
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return compare_generic(str1.c_str(), str2.c_str());
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}
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template<class StringType1, class StringType2>
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int compare_generic(const StringType1 * str1_begin, const StringType1 * str1_end, const StringType2 * str2)
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{
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while( str1_begin < str1_end && *str2 && *str1_begin == *str2 )
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{
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++str1_begin;
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++str2;
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}
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if( str1_begin == str1_end && *str2 == 0 )
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return 0;
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int c1;
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int c2;
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if constexpr (sizeof(StringType1) == 1 && sizeof(StringType2) == 1)
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{
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c1 = str1_begin < str1_end ? (wchar_t)(unsigned char)(*str1_begin) : 0;
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c2 = (wchar_t)(unsigned char)(*str2);
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}
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else
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{
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c1 = str1_begin < str1_end ? *str1_begin : 0;
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c2 = *str2;
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}
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return c1 - c2;
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}
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template<class StringType1, class StringType2>
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int compare_nc_generic(const StringType1 * str1, const StringType2 * str2)
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{
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while( *str1 && *str2 && to_lower(*str1) == to_lower(*str2) )
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{
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++str1;
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++str2;
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}
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if( *str1 == 0 && *str2 == 0 )
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return 0;
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int c1;
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int c2;
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if constexpr (sizeof(StringType1) == 1 && sizeof(StringType2) == 1)
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{
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c1 = to_lower((wchar_t)(unsigned char)(*str1));
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c2 = to_lower((wchar_t)(unsigned char)(*str2));
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}
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else
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{
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c1 = to_lower(*str1);
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c2 = to_lower(*str2);
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}
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return c1 - c2;
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}
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template<class StringType1, class StringType2>
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int compare_nc_str_generic(const StringType1 & str1, const StringType2 & str2)
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{
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return compare_nc(str1.c_str(), str2.c_str());
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}
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template<class StringType1, class StringType2>
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int compare_nc_generic(const StringType1 * str1_begin, const StringType1 * str1_end, const StringType2 * str2)
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{
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while( str1_begin < str1_end && *str2 && to_lower(*str1_begin) == to_lower(*str2) )
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{
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++str1_begin;
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++str2;
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}
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if( str1_begin == str1_end && *str2 == 0 )
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return 0;
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int c1;
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int c2;
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if constexpr (sizeof(StringType1) == 1 && sizeof(StringType2) == 1)
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{
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c1 = str1_begin < str1_end ? to_lower((wchar_t)(unsigned char)(*str1_begin)) : 0;
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c2 = to_lower((wchar_t)(unsigned char)(*str2));
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}
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else
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{
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c1 = str1_begin < str1_end ? to_lower(*str1_begin) : 0;
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c2 = to_lower(*str2);
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}
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return c1 - c2;
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}
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template<class StringType1, class StringType2>
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bool is_substr_generic(const StringType1 * short_str, const StringType2 * long_str)
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{
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while( *short_str && *long_str && *short_str == *long_str )
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{
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++short_str;
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++long_str;
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}
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if( *short_str == 0 )
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return true;
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return false;
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}
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template<class StringType1, class StringType2>
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bool is_substr_nc_generic(const StringType1 * short_str, const StringType2 * long_str)
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{
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while( *short_str && *long_str && to_lower(*short_str) == to_lower(*long_str) )
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{
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++short_str;
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++long_str;
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}
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if( *short_str == 0 )
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return true;
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return false;
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}
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added trim(...) functions to convert/text.h
void trim_first_white(std::string & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_first_white(std::wstring & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_last_white(std::string & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_last_white(std::wstring & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_white(std::string & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_white(std::wstring & str, bool check_additional_chars = true, bool treat_new_line_as_white = true);
void trim_first(std::string & str, wchar_t c);
void trim_first(std::wstring & str, wchar_t c);
void trim_last(std::string & str, wchar_t c);
void trim_last(std::wstring & str, wchar_t c);
void trim(std::string & str, wchar_t c);
void trim(std::wstring & str, wchar_t c);
2021-06-29 23:23:35 +02:00
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template<typename StringType>
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void trim_first_white_generic(StringType & s, bool check_additional_chars, bool treat_new_line_as_white)
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{
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size_t i;
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if( s.empty() )
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return;
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// looking for white characters at the beginning
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for(i=0 ; i<s.size() && is_white(s[i], check_additional_chars, treat_new_line_as_white) ; ++i);
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// deleting white characters at the beginning
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if( i != 0 )
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s.erase(0, i);
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}
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template<typename StringType>
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void trim_last_white_generic(StringType & s, bool check_additional_chars, bool treat_new_line_as_white)
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{
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size_t i;
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if( s.empty() )
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return;
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// looking for white characters at the end
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for(i=s.size()-1 ; i>0 && is_white(s[i], check_additional_chars, treat_new_line_as_white) ; --i);
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if( i==0 && is_white(s[i], check_additional_chars, treat_new_line_as_white) )
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{
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// the whole string has white characters
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s.clear();
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return;
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}
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// deleting white characters at the end
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if( i != s.size() - 1 )
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s.erase(i+1, StringType::npos);
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}
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template<typename StringType>
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void trim_white_generic(StringType & s, bool check_additional_chars, bool treat_new_line_as_white)
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{
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if( s.empty() )
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return;
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trim_last_white_generic(s, check_additional_chars, treat_new_line_as_white);
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trim_first_white_generic(s, check_additional_chars, treat_new_line_as_white);
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}
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template<typename StringType>
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void trim_first_generic(StringType & s, wchar_t c)
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{
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size_t i;
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if( s.empty() )
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return;
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// looking for the 'c' characters at the beginning
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for(i=0 ; i<s.size() && s[i]==c ; ++i);
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// deleting the 'c' characters at the beginning
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if( i != 0 )
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s.erase(0, i);
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}
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template<typename StringType>
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void trim_last_generic(StringType & s, wchar_t c)
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{
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size_t i;
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if( s.empty() )
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return;
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// looking for the 'c' characters at the end
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for(i=s.size()-1 ; i>0 && s[i]==c ; --i);
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if( i==0 && s[i]==c )
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{
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// the whole string has the 'c' characters
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s.clear();
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return;
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}
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// deleting 'c' characters at the end
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if( i != s.size() - 1 )
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s.erase(i+1, StringType::npos);
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}
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template<typename StringType>
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|
void trim_generic(StringType & s, wchar_t c)
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|
{
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|
if( s.empty() )
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|
return;
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trim_last_generic(s, c);
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|
trim_first_generic(s, c);
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}
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2021-05-10 20:04:12 +02:00
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2021-05-08 22:37:31 +02:00
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} // namespace pt_private
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2021-05-20 16:11:12 +02:00
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} // namespace pt
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2021-05-08 22:37:31 +02:00
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#endif
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