iup-stack/iup/srcscintilla/scintilla366/lexlib/CharacterSet.cxx

62 lines
1.2 KiB
C++
Executable File

// 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 <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <ctype.h>
#include "CharacterSet.h"
#ifdef SCI_NAMESPACE
using namespace Scintilla;
#endif
#ifdef SCI_NAMESPACE
namespace Scintilla {
#endif
int CompareCaseInsensitive(const char *a, const char *b) {
while (*a && *b) {
if (*a != *b) {
char upperA = MakeUpperCase(*a);
char upperB = 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) {
char upperA = MakeUpperCase(*a);
char upperB = 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;
}
#ifdef SCI_NAMESPACE
}
#endif