add gse.New() error return support

README.md

@@ -53,7 +53,7 @@ import (
 var (
 	text = "Hello world, Helloworld. Winter is coming! 你好世界."
 
-	new = gse.New("zh,testdata/test_dict3.txt", "alpha")
+	new, _ = gse.New("zh,testdata/test_dict3.txt", "alpha")
 
 	seg gse.Segmenter
 	posSeg pos.Segmenter

README_zh.md

@@ -51,7 +51,7 @@ var (
 	seg gse.Segmenter
 	posSeg pos.Segmenter
 
-	new = gse.New("zh,testdata/test_dict3.txt", "alpha")
+	new, _ = gse.New("zh,testdata/test_dict3.txt", "alpha")
 
 	text = "你好世界, Hello world, Helloworld."
 )

examples/dict/main.go

@@ -7,8 +7,8 @@ import (
 )
 
 var (
-	text = "旧金山湾金门大桥"
-	new  = gse.New("zh,../../testdata/test_dict.txt")
+	text   = "旧金山湾金门大桥"
+	new, _ = gse.New("zh,../../testdata/test_dict.txt")
 
 	seg gse.Segmenter
 )

examples/en/main.go

@@ -7,7 +7,8 @@ import (
 )
 
 func main() {
-	seg := gse.New("zh,../../testdata/test_dict3.txt", "alpha")
+	seg, err := gse.New("zh,../../testdata/test_dict3.txt", "alpha")
+	fmt.Println("new gse error: ", err)
 	// var seg gse.Segmenter
 	// seg.AlphaNum = true
 	// seg.LoadDict("zh, ../../testdata/test_dict3.txt")

gse.go

@@ -24,7 +24,7 @@ import (
 
 const (
 	// Version get the gse version
-	Version = "v0.62.1.510, Green Lake!"
+	Version = "v0.69.1.593, Green Lake!"
 
 	// minTokenFrequency = 2 // 仅从字典文件中读取大于等于此频率的分词
 )
@@ -44,14 +44,13 @@ type Prob struct {
 }
 
 // New return new gse segmenter
-func New(files ...string) Segmenter {
-	var seg Segmenter
+func New(files ...string) (seg Segmenter, err error) {
 	if len(files) > 1 && files[1] == "alpha" {
 		seg.AlphaNum = true
 	}
-	seg.LoadDict(files...)
 
-	return seg
+	err = seg.LoadDict(files...)
+	return
 }
 
 // Cut cuts a str into words using accurate mode.

gse_test.go

@@ -238,7 +238,9 @@ func TestStop(t *testing.T) {
 }
 
 func TestNum(t *testing.T) {
-	seg := New("./testdata/test_dict3.txt")
+	seg, err := New("./testdata/test_dict3.txt")
+	tt.Nil(t, err)
+
 	seg.Num = true
 	text := "t123test123 num123-1"
 	s := seg.Cut(text)
@@ -253,7 +255,8 @@ func TestNum(t *testing.T) {
 }
 
 func TestUrl(t *testing.T) {
-	seg := New("./testdata/test_dict3.txt")
+	seg, err := New("./testdata/test_dict3.txt")
+	tt.Nil(t, err)
 
 	s1 := seg.CutUrls("https://www.g.com/search?q=test%m11.42&ie=UTF-8")
 	tt.Equal(t, "https www g com search q test m 11 42 ie utf 8", s1)

hmm/idf/idf_test.go

@@ -9,8 +9,8 @@ import (
 )
 
 var (
-	segs = gse.New()
-	text = "那里湖面总是澄清, 那里空气充满宁静"
+	segs, _ = gse.New()
+	text    = "那里湖面总是澄清, 那里空气充满宁静"
 )
 
 func TestExtAndRank(t *testing.T) {

segmenter_test.go

@@ -225,7 +225,8 @@ func TestInAlphaNum(t *testing.T) {
 	//
 	// AlphaNum = true
 	// ToLower = true
-	seg := New("zh,./testdata/test_dict3.txt", "alpha")
+	seg, err := New("zh,./testdata/test_dict3.txt", "alpha")
+	tt.Nil(t, err)
 
 	freq, ok := seg.Find("hello")
 	tt.Equal(t, 20, freq)

testdata/test_dict3.txt

@@ -1,3 +1,3 @@
 hi 32
 hello 20
-world 20
+world 20 n