75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
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// Copyright (c) 2001-2011 Hartmut Kaiser
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#if !defined(BOOST_SPIRIT_KARMA_STRING_COMPARE_AUG_08_2009_0756PM)
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#define BOOST_SPIRIT_KARMA_STRING_COMPARE_AUG_08_2009_0756PM
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#if defined(_MSC_VER)
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#pragma once
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#endif
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#include <boost/spirit/home/support/char_class.hpp>
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#include <boost/spirit/home/karma/detail/generate_to.hpp>
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namespace boost { namespace spirit { namespace karma { namespace detail
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{
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template <typename Char>
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bool string_compare(Char const* attr, Char const* lit)
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{
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Char ch_attr = *attr;
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Char ch_lit = *lit;
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while (!!ch_lit && !!ch_attr)
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{
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if (ch_attr != ch_lit)
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return false;
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ch_attr = *++attr;
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ch_lit = *++lit;
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}
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return !ch_lit && !ch_attr;
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}
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template <typename Char>
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bool string_compare(Char const* attr, Char const* lit, unused_type, unused_type)
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{
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return string_compare(attr, lit);
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}
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template <typename Char>
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bool string_compare(unused_type, Char const*, unused_type, unused_type)
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{
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return true;
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}
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template <typename Char, typename CharEncoding, typename Tag>
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bool string_compare(Char const* attr, Char const* lit, CharEncoding, Tag)
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{
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Char ch_attr = *attr;
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Char ch_lit = spirit::char_class::convert<CharEncoding>::to(Tag(), *lit);
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while (!!ch_lit && !!ch_attr)
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{
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if (ch_attr != ch_lit)
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return false;
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ch_attr = *++attr;
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ch_lit = spirit::char_class::convert<CharEncoding>::to(Tag(), *++lit);
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}
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return !ch_lit && !ch_attr;
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}
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template <typename Char, typename CharEncoding, typename Tag>
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bool string_compare(unused_type, Char const*, CharEncoding, Tag)
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{
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return true;
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}
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}}}}
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#endif
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