celestia/src/celutil/util.cpp

90 lines
2.1 KiB
C++

// util.cpp
//
// Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
//
// Miscellaneous useful functions.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
#include "util.h"
#include <sys/types.h>
#include <sys/stat.h>
using namespace std;
int compareIgnoringCase(const string& s1, const string& s2)
{
string::const_iterator i1 = s1.begin();
string::const_iterator i2 = s2.begin();
while (i1 != s1.end() && i2 != s2.end())
{
if (toupper(*i1) != toupper(*i2))
return (toupper(*i1) < toupper(*i2)) ? -1 : 1;
++i1;
++i2;
}
return s2.size() - s1.size();
}
int compareIgnoringCase(const string& s1, const string& s2, int n)
{
string::const_iterator i1 = s1.begin();
string::const_iterator i2 = s2.begin();
while (i1 != s1.end() && i2 != s2.end() && n > 0)
{
if (toupper(*i1) != toupper(*i2))
return (toupper(*i1) < toupper(*i2)) ? -1 : 1;
++i1;
++i2;
n--;
}
if (n > 0)
return s2.size() - s1.size();
else
return 0;
}
bool CompareIgnoringCasePredicate::operator()(const string& s1,
const string& s2) const
{
return compareIgnoringCase(s1, s2) < 0;
}
string LocaleFilename(const string & filename)
{
string localeFilename;
struct stat filestat;
string::size_type pos;
if ((pos = filename.rfind('.')) != string::npos)
{
localeFilename = filename.substr(0, pos) + '_' + _("LANGUAGE") + filename.substr(pos);
}
else
{
localeFilename = filename + '_' + _("LANGUAGE");
}
if (stat(localeFilename.c_str(), &filestat) != 0)
{
localeFilename = string("locale/") + localeFilename;
if (stat(localeFilename.c_str(), &filestat) != 0)
{
localeFilename = filename;
}
}
return localeFilename;
}