string.cpp

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// String.h
//
// $Id: //poco/Main/Foundation/src/String.cpp#5 $
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 
// 2. 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.
// 
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
// 
// 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.
//


#include "Foundation/String.h"


Foundation_BEGIN


#if defined(POCO_NO_TEMPLATE_ICOMPARE)


int icompare(const std::string& str, std::string::size_type pos, std::string::size_type n, std::string::const_iterator it2, std::string::const_iterator end2)
{
	std::string::size_type sz = str.size();
	if (pos > sz) pos = sz;
	if (pos + n > sz) n = sz - pos;
	std::string::const_iterator it1  = str.begin() + pos; 
	std::string::const_iterator end1 = str.begin() + pos + n;
	std::locale loc;
	while (it1 != end1 && it2 != end2)
	{
        std::string::value_type c1 = tolower(*it1, loc);
        std::string::value_type c2 = tolower(*it2, loc);
        if (c1 < c2)
            return -1;
        else if (c1 > c2)
            return 1;
        ++it1; ++it2;
	}
    
    if (it1 == end1)
		return it2 == end2 ? 0 : -1;
    else
        return 1;
}


int icompare(const std::string& str1, const std::string& str2)
{
	return icompare(str1, 0, str1.size(), str2.begin(), str2.end());
}


int icompare(const std::string& str1, std::string::size_type n1, const std::string& str2, std::string::size_type n2)
{
	if (n2 > str2.size()) n2 = str2.size();
	return icompare(str1, 0, n1, str2.begin(), str2.begin() + n2);
}


int icompare(const std::string& str1, std::string::size_type n, const std::string& str2)
{
	if (n > str2.size()) n = str2.size();
	return icompare(str1, 0, n, str2.begin(), str2.begin() + n);
}


int icompare(const std::string& str1, std::string::size_type pos, std::string::size_type n, const std::string& str2)
{
	return icompare(str1, pos, n, str2.begin(), str2.end());
}


int icompare(const std::string& str1, std::string::size_type pos1, std::string::size_type n1, const std::string& str2, std::string::size_type pos2, std::string::size_type n2)
{
	std::string::size_type sz2 = str2.size();
	if (pos2 > sz2) pos2 = sz2;
	if (pos2 + n2 > sz2) n2 = sz2 - pos2;
	return icompare(str1, pos1, n1, str2.begin() + pos2, str2.begin() + pos2 + n2);
}


int icompare(const std::string& str1, std::string::size_type pos1, std::string::size_type n, const std::string& str2, std::string::size_type pos2)
{
	std::string::size_type sz2 = str2.size();
	if (pos2 > sz2) pos2 = sz2;
	if (pos2 + n > sz2) n = sz2 - pos2;
	return icompare(str1, pos1, n, str2.begin() + pos2, str2.begin() + pos2 + n);
}


int icompare(const std::string& str, std::string::size_type pos, std::string::size_type n, const std::string::value_type* ptr)
{
	poco_check_ptr (ptr);
	std::string::size_type sz = str.size();
	if (pos > sz) pos = sz;
	if (pos + n > sz) n = sz - pos;
	std::string::const_iterator it  = str.begin() + pos; 
	std::string::const_iterator end = str.begin() + pos + n;
	std::locale loc;
	while (it != end && *ptr)
	{
        std::string::value_type c1 = tolower(*it, loc);
        std::string::value_type c2 = tolower(*ptr, loc);
        if (c1 < c2)
            return -1;
        else if (c1 > c2)
            return 1;
        ++it; ++ptr;
	}
    
    if (it == end)
		return *ptr == 0 ? 0 : -1;
    else
        return 1;
}


int icompare(const std::string& str, std::string::size_type pos, const std::string::value_type* ptr)
{
	return icompare(str, pos, str.size() - pos, ptr);
}


int icompare(const std::string& str, const std::string::value_type* ptr)
{
	return icompare(str, 0, str.size(), ptr);
}


#endif


Foundation_END