mirror of
https://github.com/matrix-construct/construct
synced 2024-11-05 05:18:54 +01:00
68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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//
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// globular_equals
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//
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bool
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ircd::globular_equals::operator()(const string_view &a, const string_view &b)
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const
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{
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size_t ap(0), bp(0);
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while(ap < a.size() && bp < b.size())
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{
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const auto ca(tolower(a.at(ap))), cb(tolower(b.at(bp)));
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const auto globa(ca == '*'), globb(cb == '*');
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const auto wilda(ca == '?'), wildb(cb == '?');
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if(!globa && !globb && !wilda && !wildb && ca != cb)
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return false;
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if((globa && ap + 1 >= a.size()) || (globb && bp + 1 >= b.size()))
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break;
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if(globa && cb == tolower(a.at(ap + 1)))
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ap += 2;
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if(globb && ca == tolower(b.at(bp + 1)))
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bp += 2;
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if(globa && globb)
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++ap, ++bp;
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if(!globa)
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++ap;
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if(!globb)
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++bp;
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}
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if(ap < a.size() && !b.empty() && b.back() == '*')
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return true;
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if(bp < b.size() && !a.empty() && a.back() == '*')
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return true;
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return iequals(a.substr(ap), b.substr(bp));
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}
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//
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// globular_match
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//
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bool
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ircd::globular_match::operator()(const string_view &a)
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const
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{
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//TODO: optimize.
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const globular_equals globular_equals(expr, a);
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return bool(globular_equals);
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}
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