wehub-resource-sync
f36e2104d8
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44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package chunk
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import "unicode"
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// DetectLanguage returns a best-effort language code based on the
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// proportion of CJK characters.
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func DetectLanguage(text string) string {
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cjk := 0
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total := 0
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for _, r := range text {
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if unicode.Is(unicode.Han, r) {
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cjk++
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}
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if unicode.IsLetter(r) {
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total++
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}
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}
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if total > 0 && float64(cjk)/float64(total) > 0.3 {
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return "zh"
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}
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return "en"
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}
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// RuneCount returns the number of runes in text.
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func RuneCount(text string) int {
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return len([]rune(text))
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}
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