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46 lines
1.7 KiB
46 lines
1.7 KiB
8 years ago
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// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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/*
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Package segment is a library for performing Unicode Text Segmentation
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as described in Unicode Standard Annex #29 http://www.unicode.org/reports/tr29/
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Currently only segmentation at Word Boundaries is supported.
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The functionality is exposed in two ways:
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1. You can use a bufio.Scanner with the SplitWords implementation of SplitFunc.
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The SplitWords function will identify the appropriate word boundaries in the input
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text and the Scanner will return tokens at the appropriate place.
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scanner := bufio.NewScanner(...)
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scanner.Split(segment.SplitWords)
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for scanner.Scan() {
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tokenBytes := scanner.Bytes()
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}
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if err := scanner.Err(); err != nil {
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t.Fatal(err)
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}
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2. Sometimes you would also like information returned about the type of token.
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To do this we have introduce a new type named Segmenter. It works just like Scanner
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but additionally a token type is returned.
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segmenter := segment.NewWordSegmenter(...)
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for segmenter.Segment() {
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tokenBytes := segmenter.Bytes())
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tokenType := segmenter.Type()
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}
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if err := segmenter.Err(); err != nil {
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t.Fatal(err)
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}
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*/
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package segment
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