Update

glob.go

@@ -13,40 +13,28 @@ const (
 
 var Chars = []string{Any, SuperAny, SingleAny}
 
-type Matcher interface {
+type Glob interface {
 	Match(string) bool
 }
 
-func firstIndexOfChars(p string, any []string) (min int, c string) {
-	l := len(p)
-	min = l
-	weight := 0
+func New(pattern string, d ...string) Glob {
+	chunks := parse(pattern, nil, strings.Join(d, ""))
 
-	for _, s := range any {
-		w := len(s)
-		i := strings.Index(p, s)
-		if i != -1 && i <= min && w > weight {
-			min = i
-			weight = w
-			c = s
-		}
+	if len(chunks) == 1 {
+		return chunks[0]
 	}
 
-	if min == l {
-		return -1, ""
-	}
-
-	return
+	return &composite{chunks}
 }
 
-func parse(p string, m []Matcher, d []string) ([]Matcher, error) {
+func parse(p string, m []Glob, d string) []Glob {
 	if len(p) == 0 {
-		return m, nil
+		return m
 	}
 
 	i, c := firstIndexOfChars(p, Chars)
 	if i == -1 {
-		return append(m, raw{p}), nil
+		return append(m, raw{p})
 	}
 
 	if i > 0 {
@@ -65,19 +53,6 @@ func parse(p string, m []Matcher, d []string) ([]Matcher, error) {
 	return parse(p[i+len(c):], m, d)
 }
 
-func New(pattern string, d ...string) (Matcher, error) {
-	chunks, err := parse(pattern, nil, d)
-	if err != nil {
-		return nil, err
-	}
-
-	if len(chunks) == 1 {
-		return chunks[0], nil
-	}
-
-	return &composite{chunks}, nil
-}
-
 type raw struct {
 	s string
 }
@@ -89,39 +64,36 @@ func (self raw) String() string {
 }
 
 type multiple struct {
-	delimiters []string
+	delimiters string
 }
+
 func (self multiple) Match(s string) bool {
-	i, _ := firstIndexOfChars(s, self.delimiters)
-	return i == -1
+	return strings.IndexAny(s, self.delimiters) == -1
 }
+
 func (self multiple) String() string {
 	return fmt.Sprintf("[multiple:%s]", self.delimiters)
 }
 
 type single struct {
-	delimiters []string
+	delimiters string
 }
+
 func (self single) Match(s string) bool {
-	if len(s) != 1 {
-		return false
-	}
-
-	i, _ := firstIndexOfChars(s, self.delimiters)
-
-	return i == -1
+	return len(s) == 1 && strings.IndexAny(s, self.delimiters) == -1
 }
+
 func (self single) String() string {
 	return fmt.Sprintf("[single:%s]", self.delimiters)
 }
 
 type composite struct {
-	chunks []Matcher
+	chunks []Glob
 }
 
 
 func (self composite) Match(m string) bool {
-	var prev Matcher
+	var prev Glob
 
 	for _, c := range self.chunks {
 		if str, ok := c.(raw); ok {
@@ -153,3 +125,25 @@ func (self composite) Match(m string) bool {
 
 	return len(m) == 0
 }
+
+func firstIndexOfChars(p string, any []string) (min int, c string) {
+	l := len(p)
+	min = l
+	weight := 0
+
+	for _, s := range any {
+		w := len(s)
+		i := strings.Index(p, s)
+		if i != -1 && i <= min && w > weight {
+			min = i
+			weight = w
+			c = s
+		}
+	}
+
+	if min == l {
+		return -1, ""
+	}
+
+	return
+}

glob_test.go

@@ -56,10 +56,12 @@ func TestGlob(t *testing.T) {
 		glob(true, "a.?.c", "a.b.c", "."),
 		glob(true, "a.?.?", "a.b.c", "."),
 		glob(true, "?at", "cat"),
+		glob(true, "?at", "fat"),
 		glob(true, "*", "abc"),
 		glob(true, "**", "a.b.c", "."),
 
 		glob(false, "?at", "at"),
+		glob(false, "?at", "fat", "f"),
 		glob(false, "a.*", "a.b.c", "."),
 		glob(false, "a.?.c", "a.bb.c", "."),
 		glob(false, "*", "a.b.c", "."),
@@ -74,11 +76,7 @@ func TestGlob(t *testing.T) {
 		glob(false, "*is", "this is a test"),
 		glob(false, "*no*", "this is a test"),
 	}{
-		g, err := New(test.pattern, test.delimiters...)
-		if err != nil {
-			t.Error(err)
-			continue
-		}
+		g := New(test.pattern, test.delimiters...)
 
 		result := g.Match(test.match)
 		if result != test.should {
@@ -91,14 +89,14 @@ func TestGlob(t *testing.T) {
 const Pattern = "*cat*eyes*"
 const ExpPattern = ".*cat.*eyes.*"
 const String = "my cat has very bright eyes"
+//const Pattern = "*.google.com"
+//const ExpPattern = ".*google\\.com"
+//const String = "mail.google.com"
 
 func BenchmarkGobwas(b *testing.B) {
-	for i := 0; i < b.N; i++ {
-		m, err := New(Pattern)
-		if err != nil {
-			b.Fatal(err)
-		}
+	m := New(Pattern)
 
+	for i := 0; i < b.N; i++ {
 		_ = m.Match(String)
 	}
 }

readme.md

@@ -0,0 +1,50 @@
+# glob.[go](https://golang.org)
+
+Simple globbing library.
+
+## Install
+
+```shell
+    go get github.com/gobwas/glob
+```
+
+## Example
+
+```go
+
+package main
+
+import "github.com/gobwas/glob"
+
+func main() {
+    var g glob.Glob
+    
+    // create simple glob
+    g = glob.New("*.github.com")
+    g.Match("api.github.com") // true
+    
+    // create new glob with set of delimiters as ["."]
+    g = glob.New("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.New("api.**.com", ".")
+    g.Match("api.github.com") // true
+    g.Match("api.gi.hub.com") // true
+        
+    // create glob with single symbol wildcard
+    g = glob.New("?at")
+    g.Match("cat") // true
+    g.Match("fat") // true
+    g.Match("at") // false
+    
+    // create glob with single symbol wildcard and delimiters ["f"]
+    g = glob.New("?at", "f")
+    g.Match("cat") // true
+    g.Match("fat") // false
+    g.Match("at") // false 
+}
+
+```