Adding upstream version 2.5.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

analysis/tokenizer/single/single.go

@@ -0,0 +1,52 @@
+//  Copyright (c) 2014 Couchbase, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 		http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package single
+
+import (
+	"github.com/blevesearch/bleve/v2/analysis"
+	"github.com/blevesearch/bleve/v2/registry"
+)
+
+const Name = "single"
+
+type SingleTokenTokenizer struct {
+}
+
+func NewSingleTokenTokenizer() *SingleTokenTokenizer {
+	return &SingleTokenTokenizer{}
+}
+
+func (t *SingleTokenTokenizer) Tokenize(input []byte) analysis.TokenStream {
+	return analysis.TokenStream{
+		&analysis.Token{
+			Term:     input,
+			Position: 1,
+			Start:    0,
+			End:      len(input),
+			Type:     analysis.AlphaNumeric,
+		},
+	}
+}
+
+func SingleTokenTokenizerConstructor(config map[string]interface{}, cache *registry.Cache) (analysis.Tokenizer, error) {
+	return NewSingleTokenTokenizer(), nil
+}
+
+func init() {
+	err := registry.RegisterTokenizer(Name, SingleTokenTokenizerConstructor)
+	if err != nil {
+		panic(err)
+	}
+}

analysis/tokenizer/single/single_test.go

@@ -0,0 +1,76 @@
+//  Copyright (c) 2014 Couchbase, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 		http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package single
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+)
+
+func TestSingleTokenTokenizer(t *testing.T) {
+
+	tests := []struct {
+		input  []byte
+		output analysis.TokenStream
+	}{
+		{
+			[]byte("Hello World"),
+			analysis.TokenStream{
+				{
+					Start:    0,
+					End:      11,
+					Term:     []byte("Hello World"),
+					Position: 1,
+					Type:     analysis.AlphaNumeric,
+				},
+			},
+		},
+		{
+			[]byte("こんにちは世界"),
+			analysis.TokenStream{
+				{
+					Start:    0,
+					End:      21,
+					Term:     []byte("こんにちは世界"),
+					Position: 1,
+					Type:     analysis.AlphaNumeric,
+				},
+			},
+		},
+		{
+			[]byte("แยกคำภาษาไทยก็ทำได้นะจ้ะ"),
+			analysis.TokenStream{
+				{
+					Start:    0,
+					End:      72,
+					Term:     []byte("แยกคำภาษาไทยก็ทำได้นะจ้ะ"),
+					Position: 1,
+					Type:     analysis.AlphaNumeric,
+				},
+			},
+		},
+	}
+
+	for _, test := range tests {
+		tokenizer := NewSingleTokenTokenizer()
+		actual := tokenizer.Tokenize(test.input)
+
+		if !reflect.DeepEqual(actual, test.output) {
+			t.Errorf("Expected %v, got %v for %s", test.output, actual, string(test.input))
+		}
+	}
+}