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// Scintilla source code edit control
/** @file CharacterSet.cxx
** Simple case functions for ASCII.
** Lexer infrastructure.
**/
// Copyright 1998-2010 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <cstdlib>
#include <cassert>
#include "CharacterSet.h"
using namespace Scintilla;
namespace Scintilla {
int CompareCaseInsensitive(const char *a, const char *b) {
while (*a && *b) {
if (*a != *b) {
const char upperA = static_cast<char>(MakeUpperCase(*a));
const char upperB = static_cast<char>(MakeUpperCase(*b));
if (upperA != upperB)
return upperA - upperB;
}
a++;
b++;
}
// Either *a or *b is nul
return *a - *b;
}
int CompareNCaseInsensitive(const char *a, const char *b, size_t len) {
while (*a && *b && len) {
if (*a != *b) {
const char upperA = static_cast<char>(MakeUpperCase(*a));
const char upperB = static_cast<char>(MakeUpperCase(*b));
if (upperA != upperB)
return upperA - upperB;
}
a++;
b++;
len--;
}
if (len == 0)
return 0;
else
// Either *a or *b is nul
return *a - *b;
}
}
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