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/*
* rtchar.inline.cpp
*
* Copyright (c) 2000-2004 by Florian Fischer (florianfischer@gmx.de)
* and Martin Trautmann (martintrautmann@gmx.de)
*
* This file may be distributed and/or modified under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation.
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
////////// Inline member functions for class Char.
#ifndef __LRT_CHAR_INLINE__
#define __LRT_CHAR_INLINE__
namespace lrt {
inline bool Char::isSpace(char ch)
{
if((unsigned char)ch <= (unsigned char)' ') return true; // Ascii Control Chars & Whitespace
if(((unsigned char)ch >= (unsigned char)0x7F) &&
((unsigned char)ch <= (unsigned char)0xA0)) return true; // Latin-1 Control Chars & NBSP
return false;
}
inline bool Char::isUpperCase(char ch)
{
if((ch <= 'Z') && (ch >= 'A')) return true; // Ascii Uppercase Letters
if(((unsigned char)ch >= (unsigned char)0xC0) && // Latin-1 Uppercase Letters
((unsigned char)ch <= (unsigned char)0xDE) && ((unsigned char)ch != (unsigned char)0xD7)) return true;
return false;
}
inline bool Char::isLowerCase(char ch)
{
if((ch >= 'a') && (ch <= 'z')) return true; // Ascii Lowercase Letters
if(((unsigned char)ch >= (unsigned char)0xDF) &&
((unsigned char)ch != (unsigned char)0xF7)) return true; // Latin-1 Lowercase Letters
return false;
}
inline bool Char::isDigit(char ch)
{
if((ch <= '9') && (ch >= '0')) return true; // Ascii Numbers
return false;
}
inline bool Char::isLetter(char ch)
{
if(isLowerCase(ch) || isUpperCase(ch)) return true;
return false;
}
inline char Char::lowerCase(char ch)
{
if(isUpperCase(ch)) return (char)(ch + 32);
return ch;
}
inline char Char::upperCase(char ch)
{
// Characters Latin-1 '' and Latin-1 '' have no uppercase equivalent
if(isLowerCase(ch) &&
((unsigned char)ch != (unsigned char)0xDF) &&
((unsigned char)ch != (unsigned char)0xFF)) return (char)(ch - 32);
return ch;
}
// Note that if ch is not a numeric character, results are undefined!
inline int Char::numericValue(char ch)
{
if(isDigit(ch)) return ch - '0';
else return (lowerCase(ch) - 'a') + 10;
}
// Note that if num > MAX_RADIX, results are undefined!
inline char Char::charValue(int num)
{
if(num < 10) return (char)(num + '0');
else return (char)((num - 10) + 'A');
}
} // namespace
#endif
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