2006-10-23 17:48:43 +02:00
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//
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// String.h
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//
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// $Id: //poco/1.2/Foundation/src/String.cpp#1 $
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//
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// Library: Foundation
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// Package: Core
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// Module: String
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/String.h"
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namespace Poco {
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#if defined(POCO_NO_TEMPLATE_ICOMPARE)
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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)
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{
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std::string::size_type sz = str.size();
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if (pos > sz) pos = sz;
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if (pos + n > sz) n = sz - pos;
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std::string::const_iterator it1 = str.begin() + pos;
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std::string::const_iterator end1 = str.begin() + pos + n;
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std::locale loc;
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while (it1 != end1 && it2 != end2)
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{
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std::string::value_type c1 = tolower(*it1, loc);
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std::string::value_type c2 = tolower(*it2, loc);
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if (c1 < c2)
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return -1;
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else if (c1 > c2)
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return 1;
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++it1; ++it2;
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}
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if (it1 == end1)
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return it2 == end2 ? 0 : -1;
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else
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return 1;
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}
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int icompare(const std::string& str1, const std::string& str2)
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{
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return icompare(str1, 0, str1.size(), str2.begin(), str2.end());
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}
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int icompare(const std::string& str1, std::string::size_type n1, const std::string& str2, std::string::size_type n2)
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{
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if (n2 > str2.size()) n2 = str2.size();
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return icompare(str1, 0, n1, str2.begin(), str2.begin() + n2);
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}
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int icompare(const std::string& str1, std::string::size_type n, const std::string& str2)
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{
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if (n > str2.size()) n = str2.size();
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return icompare(str1, 0, n, str2.begin(), str2.begin() + n);
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}
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int icompare(const std::string& str1, std::string::size_type pos, std::string::size_type n, const std::string& str2)
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{
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return icompare(str1, pos, n, str2.begin(), str2.end());
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}
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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)
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{
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std::string::size_type sz2 = str2.size();
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if (pos2 > sz2) pos2 = sz2;
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if (pos2 + n2 > sz2) n2 = sz2 - pos2;
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return icompare(str1, pos1, n1, str2.begin() + pos2, str2.begin() + pos2 + n2);
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}
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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)
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{
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std::string::size_type sz2 = str2.size();
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if (pos2 > sz2) pos2 = sz2;
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if (pos2 + n > sz2) n = sz2 - pos2;
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return icompare(str1, pos1, n, str2.begin() + pos2, str2.begin() + pos2 + n);
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}
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int icompare(const std::string& str, std::string::size_type pos, std::string::size_type n, const std::string::value_type* ptr)
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{
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poco_check_ptr (ptr);
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std::string::size_type sz = str.size();
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if (pos > sz) pos = sz;
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if (pos + n > sz) n = sz - pos;
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std::string::const_iterator it = str.begin() + pos;
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std::string::const_iterator end = str.begin() + pos + n;
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std::locale loc;
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while (it != end && *ptr)
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{
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std::string::value_type c1 = tolower(*it, loc);
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std::string::value_type c2 = tolower(*ptr, loc);
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if (c1 < c2)
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return -1;
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else if (c1 > c2)
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return 1;
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++it; ++ptr;
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}
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if (it == end)
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return *ptr == 0 ? 0 : -1;
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else
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return 1;
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}
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int icompare(const std::string& str, std::string::size_type pos, const std::string::value_type* ptr)
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{
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return icompare(str, pos, str.size() - pos, ptr);
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}
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int icompare(const std::string& str, const std::string::value_type* ptr)
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{
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return icompare(str, 0, str.size(), ptr);
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}
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#endif
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} // namespace Poco
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