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32 lines
644 B
Go
32 lines
644 B
Go
// Copyright (c) 2020 Shivaram Lingamneni <slingamn@cs.stanford.edu>
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// released under the MIT license
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package utils
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import (
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"bytes"
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"regexp"
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"regexp/syntax"
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)
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// yet another glob implementation in Go
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func CompileGlob(glob string) (result *regexp.Regexp, err error) {
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var buf bytes.Buffer
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buf.WriteByte('^')
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for _, r := range glob {
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switch r {
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case '*':
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buf.WriteString("(.*)")
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case '?':
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buf.WriteString("(.)")
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case 0xFFFD:
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return nil, &syntax.Error{Code: syntax.ErrInvalidUTF8, Expr: glob}
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default:
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buf.WriteString(regexp.QuoteMeta(string(r)))
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}
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}
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buf.WriteByte('$')
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return regexp.Compile(buf.String())
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}
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