3c0c5ed4e0
godep restore pushd $GOPATH/src/github.com/appc/spec git co master popd go get go4.org/errorutil rm -rf Godeps godep save ./... git add vendor git add -f $(git ls-files --other vendor/) git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS
71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
// Copyright (c) 2015, Daniel Martí <mvdan@mvdan.cc>
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// See LICENSE for licensing information
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package main
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import (
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"log"
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"os"
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"sort"
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"strings"
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"text/template"
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"golang.org/x/net/idna"
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"github.com/mvdan/xurls"
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)
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const path = "regex.go"
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var regexTmpl = template.Must(template.New("regex").Parse(`// Generated by regexgen
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package xurls
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const ({{ range $key, $value := . }}
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{{$key}} = ` + "`" + `{{$value}}` + "`" + `{{end}}
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)
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`))
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func writeRegex(tlds []string) error {
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allTldsSet := make(map[string]struct{})
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add := func(tld string) {
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if _, e := allTldsSet[tld]; e {
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log.Fatalf("Duplicate TLD: %s", tld)
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}
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allTldsSet[tld] = struct{}{}
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}
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for _, tldlist := range [...][]string{tlds, xurls.PseudoTLDs} {
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for _, tld := range tldlist {
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add(tld)
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asciiTld, err := idna.ToASCII(tld)
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if err != nil {
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return err
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}
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if asciiTld != tld {
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add(asciiTld)
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}
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}
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}
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var allTlds []string
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for tld := range allTldsSet {
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allTlds = append(allTlds, tld)
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}
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sort.Strings(allTlds)
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f, err := os.Create(path)
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if err != nil {
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return err
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}
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defer f.Close()
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return regexTmpl.Execute(f, map[string]string{
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"gtld ": `(?i)(` + strings.Join(allTlds, `|`) + `)(?-i)`,
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"otherScheme": `(?i)(` + strings.Join(xurls.SchemesNoAuthority, `|`) + `)(?-i):`,
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})
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}
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func main() {
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log.Printf("Generating %s...", path)
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if err := writeRegex(xurls.TLDs); err != nil {
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log.Fatalf("Could not write %s: %v", path, err)
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}
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}
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