72 lines
1.7 KiB
D
72 lines
1.7 KiB
D
module ircd.helpers;
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import std.range : array, empty, front, popFront, save;
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import std.algorithm : map;
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//Based on std.path.globMatch (https://github.com/dlang/phobos/blob/v2.073.2/std/path.d#L3164)
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//License: Boost License 1.0 (http://www.boost.org/LICENSE_1_0.txt)
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//Copyright (c) Lars T. Kyllingstad, Walter Bright
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@safe pure bool wildcardMatch(string input, string pattern)
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{
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foreach (ref pi; 0 .. pattern.length)
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{
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const pc = pattern[pi];
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switch (pc)
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{
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case '*':
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if (pi + 1 == pattern.length)
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{
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return true;
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}
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for (; !input.empty; input.popFront())
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{
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auto p = input.save;
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if (wildcardMatch(p, pattern[pi + 1 .. pattern.length]))
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{
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return true;
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}
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}
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return false;
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case '?':
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if (input.empty)
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{
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return false;
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}
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input.popFront();
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break;
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default:
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if (input.empty || pc != input.front)
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{
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return false;
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}
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input.popFront();
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break;
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}
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}
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return input.empty;
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}
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@safe pure dchar toIRCLower(dchar input)
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{
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import std.uni : toLower;
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switch (input)
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{
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case '[':
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return '{';
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case ']':
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return '}';
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case '\\':
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return '|';
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default:
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return input.toLower;
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}
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}
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@safe pure string toIRCLower(string input)
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{
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import std.utf : byChar;
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return input.map!toIRCLower.byChar.array.idup;
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}
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