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fixes

This commit is contained in:
gobwas 2016-02-24 20:23:24 +03:00
parent 2cd1592c0b
commit 5abd72c544
3 changed files with 69 additions and 60 deletions
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66
cmd/globdraw/main.go
View File

@ -1,64 +1,16 @@
package main
import (
"bytes"
"flag"
"fmt"
"github.com/gobwas/glob"
"github.com/gobwas/glob/match"
"math/rand"
"github.com/gobwas/glob/match/debug"
"os"
"strings"
"unicode/utf8"
)
func draw(pattern string, m match.Matcher) string {
return fmt.Sprintf(`digraph G {graph[label="%s"];%s}`, pattern, graphviz(m, fmt.Sprintf("%x", rand.Int63())))
}
func graphviz(m match.Matcher, id string) string {
buf := &bytes.Buffer{}
switch matcher := m.(type) {
case match.BTree:
fmt.Fprintf(buf, `"%s"[label="%s"];`, id, matcher.Value.String())
for _, m := range []match.Matcher{matcher.Left, matcher.Right} {
switch n := m.(type) {
case nil:
rnd := rand.Int63()
fmt.Fprintf(buf, `"%x"[label="<nil>"];`, rnd)
fmt.Fprintf(buf, `"%s"->"%x";`, id, rnd)
default:
sub := fmt.Sprintf("%x", rand.Int63())
fmt.Fprintf(buf, `"%s"->"%s";`, id, sub)
fmt.Fprintf(buf, graphviz(n, sub))
}
}
case match.AnyOf:
fmt.Fprintf(buf, `"%s"[label="AnyOf"];`, id)
for _, m := range matcher.Matchers {
rnd := rand.Int63()
fmt.Fprintf(buf, graphviz(m, fmt.Sprintf("%x", rnd)))
fmt.Fprintf(buf, `"%s"->"%x";`, id, rnd)
}
case match.EveryOf:
fmt.Fprintf(buf, `"%s"[label="EveryOf"];`, id)
for _, m := range matcher.Matchers {
rnd := rand.Int63()
fmt.Fprintf(buf, graphviz(m, fmt.Sprintf("%x", rnd)))
fmt.Fprintf(buf, `"%s"->"%x";`, id, rnd)
}
default:
fmt.Fprintf(buf, `"%s"[label="%s"];`, id, m.String())
}
return buf.String()
}
func main() {
pattern := flag.String("p", "", "pattern to draw")
sep := flag.String("s", "", "comma separated list of separators characters")
@ -70,12 +22,14 @@ func main() {
}
var separators []rune
for _, c := range strings.Split(*sep, ",") {
if r, w := utf8.DecodeRuneInString(c); len(c) > w {
fmt.Println("only single charactered separators are allowed")
os.Exit(1)
} else {
separators = append(separators, r)
if len(*sep) > 0 {
for _, c := range strings.Split(*sep, ",") {
if r, w := utf8.DecodeRuneInString(c); len(c) > w {
fmt.Println("only single charactered separators are allowed")
os.Exit(1)
} else {
separators = append(separators, r)
}
}
}
@ -86,5 +40,5 @@ func main() {
}
matcher := glob.(match.Matcher)
fmt.Fprint(os.Stdout, draw(*pattern, matcher))
fmt.Fprint(os.Stdout, debug.Graphviz(*pattern, matcher))
}

55
match/debug/debug.go Normal file
View File

@ -0,0 +1,55 @@
package debug
import (
"bytes"
"fmt"
"github.com/gobwas/glob/match"
"math/rand"
)
func Graphviz(pattern string, m match.Matcher) string {
return fmt.Sprintf(`digraph G {graph[label="%s"];%s}`, pattern, graphviz_internal(m, fmt.Sprintf("%x", rand.Int63())))
}
func graphviz_internal(m match.Matcher, id string) string {
buf := &bytes.Buffer{}
switch matcher := m.(type) {
case match.BTree:
fmt.Fprintf(buf, `"%s"[label="%s"];`, id, matcher.Value.String())
for _, m := range []match.Matcher{matcher.Left, matcher.Right} {
switch n := m.(type) {
case nil:
rnd := rand.Int63()
fmt.Fprintf(buf, `"%x"[label="<nil>"];`, rnd)
fmt.Fprintf(buf, `"%s"->"%x";`, id, rnd)
default:
sub := fmt.Sprintf("%x", rand.Int63())
fmt.Fprintf(buf, `"%s"->"%s";`, id, sub)
fmt.Fprintf(buf, graphviz_internal(n, sub))
}
}
case match.AnyOf:
fmt.Fprintf(buf, `"%s"[label="AnyOf"];`, id)
for _, m := range matcher.Matchers {
rnd := rand.Int63()
fmt.Fprintf(buf, graphviz_internal(m, fmt.Sprintf("%x", rnd)))
fmt.Fprintf(buf, `"%s"->"%x";`, id, rnd)
}
case match.EveryOf:
fmt.Fprintf(buf, `"%s"[label="EveryOf"];`, id)
for _, m := range matcher.Matchers {
rnd := rand.Int63()
fmt.Fprintf(buf, graphviz_internal(m, fmt.Sprintf("%x", rnd)))
fmt.Fprintf(buf, `"%s"->"%x";`, id, rnd)
}
default:
fmt.Fprintf(buf, `"%s"[label="%s"];`, id, m.String())
}
return buf.String()
}

8
readme.md
View File

@ -26,13 +26,13 @@ func main() {
g.Match("api.github.com") // true
// create new glob with set of delimiters as ["."]
g = glob.MustCompile("api.*.com", ".")
g = glob.MustCompile("api.*.com", '.')
g.Match("api.github.com") // true
g.Match("api.gi.hub.com") // false
// create new glob with set of delimiters as ["."]
// but now with super wildcard
g = glob.MustCompile("api.**.com", ".")
g = glob.MustCompile("api.**.com", '.')
g.Match("api.github.com") // true
g.Match("api.gi.hub.com") // true
@ -42,8 +42,8 @@ func main() {
g.Match("fat") // true
g.Match("at") // false
// create glob with single symbol wildcard and delimiters ["f"]
g = glob.MustCompile("?at", "f")
// create glob with single symbol wildcard and delimiters ['f']
g = glob.MustCompile("?at", 'f')
g.Match("cat") // true
g.Match("fat") // false
g.Match("at") // false