mirror of https://github.com/gobwas/glob.git
73 lines
1.5 KiB
Go
73 lines
1.5 KiB
Go
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package main
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import (
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"flag"
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"fmt"
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"github.com/gobwas/glob"
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"os"
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"strings"
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"testing"
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)
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func benchString(r testing.BenchmarkResult) string {
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nsop := r.NsPerOp()
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ns := fmt.Sprintf("%10d ns/op", nsop)
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allocs := "0"
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if r.N > 0 {
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if nsop < 100 {
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// The format specifiers here make sure that
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// the ones digits line up for all three possible formats.
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if nsop < 10 {
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ns = fmt.Sprintf("%13.2f ns/op", float64(r.T.Nanoseconds())/float64(r.N))
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} else {
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ns = fmt.Sprintf("%12.1f ns/op", float64(r.T.Nanoseconds())/float64(r.N))
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}
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}
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allocs = fmt.Sprintf("%d", r.MemAllocs/uint64(r.N))
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}
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return fmt.Sprintf("%8d\t%s\t%s allocs", r.N, ns, allocs)
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}
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func main() {
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pattern := flag.String("p", "", "pattern to draw")
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sep := flag.String("s", "", "comma separated list of separators")
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fixture := flag.String("f", "", "fixture")
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verbose := flag.Bool("v", false, "verbose")
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flag.Parse()
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if *pattern == "" {
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flag.Usage()
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os.Exit(1)
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}
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separators := strings.Split(*sep, ",")
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g, err := glob.Compile(*pattern, separators...)
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if err != nil {
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fmt.Println("could not compile pattern:", err)
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os.Exit(1)
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}
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if !*verbose {
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fmt.Println(g.Match(*fixture))
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return
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}
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fmt.Printf("result: %t\n", g.Match(*fixture))
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cb := testing.Benchmark(func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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glob.Compile(*pattern, separators...)
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}
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})
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fmt.Println("compile:", benchString(cb))
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mb := testing.Benchmark(func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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g.Match(*fixture)
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}
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})
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fmt.Println("match: ", benchString(mb))
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}
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