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/*
* This file is a part of PikoTools
* and is distributed under the (new) BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2021, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name Tomasz Sowa nor the names of contributors to this
* project may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
*/
#ifndef headerfile_picotools_convert_text_private
#define headerfile_picotools_convert_text_private
#include <string>
#include "text.h"
namespace pt
{
namespace pt_private
{
template<class CharType>
CharType to_lower_generic(CharType c)
{
if( c >= 'A' && c <= 'Z' )
return c - 'A' + 'a';
return c;
}
template<class CharType>
CharType to_upper_generic(CharType c)
{
if( c >= 'a' && c <= 'z' )
return c - 'a' + 'A';
return c;
}
template<class StringType>
void to_lower_str_generic(StringType & s)
{
typename StringType::size_type i;
for(i=0 ; i<s.size() ; ++i)
s[i] = to_lower(s[i]);
}
template<class StringType>
void to_upper_str_generic(StringType & s)
{
typename StringType::size_type i;
for(i=0 ; i<s.size() ; ++i)
s[i] = to_upper(s[i]);
}
template<class CharType>
CharType * skip_white_generic(CharType * str, bool check_additional_chars, bool treat_new_line_as_white)
{
while( is_white(static_cast<wchar_t>(*str), check_additional_chars, treat_new_line_as_white) )
{
str += 1;
}
return str;
}
template<class CharType>
CharType * skip_white_from_back_generic(CharType * str_begin, CharType * str_end, bool check_additional_chars, bool treat_new_line_as_white)
{
while( str_end > str_begin && is_white(static_cast<wchar_t>(*(str_end-1)), check_additional_chars, treat_new_line_as_white) )
{
str_end -= 1;
}
return str_end;
}
template<class CharType>
CharType * skip_white_from_back_generic(CharType * str, bool check_additional_chars, bool treat_new_line_as_white)
{
CharType * str_begin = str;
while( *str != 0 )
{
str += 1;
}
return skip_white_from_back_generic(str_begin, str, check_additional_chars, treat_new_line_as_white);
}
template<class StringType1, class StringType2>
int compare_generic(const StringType1 * str1, const StringType2 * str2)
{
while( *str1 && *str2 && *str1 == *str2 )
{
++str1;
++str2;
}
if( *str1 == 0 && *str2 == 0 )
return 0;
int c1;
int c2;
if constexpr (sizeof(StringType1) == 1 && sizeof(StringType2) == 1)
{
c1 = (wchar_t)(unsigned char)(*str1);
c2 = (wchar_t)(unsigned char)(*str2);
}
else
{
c1 = *str1;
c2 = *str2;
}
return c1 - c2;
}
template<class StringType1, class StringType2>
int compare_str_generic(const StringType1 & str1, const StringType2 & str2)
{
return compare_generic(str1.c_str(), str2.c_str());
}
template<class StringType1, class StringType2>
int compare_generic(const StringType1 * str1_begin, const StringType1 * str1_end, const StringType2 * str2)
{
while( str1_begin < str1_end && *str2 && *str1_begin == *str2 )
{
++str1_begin;
++str2;
}
if( str1_begin == str1_end && *str2 == 0 )
return 0;
int c1;
int c2;
if constexpr (sizeof(StringType1) == 1 && sizeof(StringType2) == 1)
{
c1 = str1_begin < str1_end ? (wchar_t)(unsigned char)(*str1_begin) : 0;
c2 = (wchar_t)(unsigned char)(*str2);
}
else
{
c1 = str1_begin < str1_end ? *str1_begin : 0;
c2 = *str2;
}
return c1 - c2;
}
template<class StringType1, class StringType2>
int compare_nc_generic(const StringType1 * str1, const StringType2 * str2)
{
while( *str1 && *str2 && to_lower(*str1) == to_lower(*str2) )
{
++str1;
++str2;
}
if( *str1 == 0 && *str2 == 0 )
return 0;
int c1;
int c2;
if constexpr (sizeof(StringType1) == 1 && sizeof(StringType2) == 1)
{
c1 = to_lower((wchar_t)(unsigned char)(*str1));
c2 = to_lower((wchar_t)(unsigned char)(*str2));
}
else
{
c1 = to_lower(*str1);
c2 = to_lower(*str2);
}
return c1 - c2;
}
template<class StringType1, class StringType2>
int compare_nc_str_generic(const StringType1 & str1, const StringType2 & str2)
{
return compare_nc(str1.c_str(), str2.c_str());
}
template<class StringType1, class StringType2>
int compare_nc_generic(const StringType1 * str1_begin, const StringType1 * str1_end, const StringType2 * str2)
{
while( str1_begin < str1_end && *str2 && to_lower(*str1_begin) == to_lower(*str2) )
{
++str1_begin;
++str2;
}
if( str1_begin == str1_end && *str2 == 0 )
return 0;
int c1;
int c2;
if constexpr (sizeof(StringType1) == 1 && sizeof(StringType2) == 1)
{
c1 = str1_begin < str1_end ? to_lower((wchar_t)(unsigned char)(*str1_begin)) : 0;
c2 = to_lower((wchar_t)(unsigned char)(*str2));
}
else
{
c1 = str1_begin < str1_end ? to_lower(*str1_begin) : 0;
c2 = to_lower(*str2);
}
return c1 - c2;
}
template<class StringType1, class StringType2>
bool is_substr_generic(const StringType1 * short_str, const StringType2 * long_str)
{
while( *short_str && *long_str && *short_str == *long_str )
{
++short_str;
++long_str;
}
if( *short_str == 0 )
return true;
return false;
}
template<class StringType1, class StringType2>
bool is_substr_nc_generic(const StringType1 * short_str, const StringType2 * long_str)
{
while( *short_str && *long_str && to_lower(*short_str) == to_lower(*long_str) )
{
++short_str;
++long_str;
}
if( *short_str == 0 )
return true;
return false;
}
} // namespace pt_private
} // namespace pt
#endif