From cf07a154d56f87d34568c44c9c28367985a9e935 Mon Sep 17 00:00:00 2001 From: Alexander Kiryukhin Date: Thu, 10 May 2018 03:03:55 +0300 Subject: Move files Added travis.yml --- StemmerRu/stemmer.go | 142 --------------------------------------------------- 1 file changed, 142 deletions(-) delete mode 100644 StemmerRu/stemmer.go (limited to 'StemmerRu/stemmer.go') diff --git a/StemmerRu/stemmer.go b/StemmerRu/stemmer.go deleted file mode 100644 index f15281b..0000000 --- a/StemmerRu/stemmer.go +++ /dev/null @@ -1,142 +0,0 @@ -package StemmerRu - -import ( - "strings" -) - -var ( - perfectiveGerund = [][]string{{`в`, `вши`, `вшись`}, {`ив`, `ивши`, `ившись`, `ыв`, `ывши`, `ывшись`}} - adjective = []string{`ее`, `ие`, `ые`, `ое`, `ими`, `ыми`, `ей`, `ий`, `ый`, `ой`, `ем`, `им`, `ым`, `ом`, `его`, `ого`, `ему`, `ому`, `их`, `ых`, `ую`, `юю`, `ая`, `яя`, `ою`, `ею`} - participle = [][]string{{`ем`, `нн`, `вш`, `ющ`, `щ`}, {`ивш`, `ывш`, `ующ`}} - reflexive = []string{`ся`, `сь`} - verb = [][]string{{`ла`, `на`, `ете`, `йте`, `ли`, `й`, `л`, `ем`, `н`, `ло`, `но`, `ет`, `ют`, `ны`, `ть`, `ешь`, `нно`}, {`ила`, `ыла`, `ена`, `ейте`, `уйте`, `ите`, `или`, `ыли`, `ей`, `уй`, `ил`, `ыл`, `им`, `ым`, `ен`, `ило`, `ыло`, `ено`, `ят`, `ует`, `уют`, `ит`, `ыт`, `ены`, `ить`, `ыть`, `ишь`, `ую`, `ю`}} - noun = []string{`а`, `ев`, `ов`, `ие`, `ье`, `е`, `иями`, `ями`, `ами`, `еи`, `ии`, `и`, `ией`, `ей`, `ой`, `ий`, `й`, `иям`, `ям`, `ием`, `ем`, `ам`, `ом`, `о`, `у`, `ах`, `иях`, `ях`, `ы`, `ь`, `ию`, `ью`, `ю`, `ия`, `ья`, `я`} - superlative = []string{`ейш`, `ейше`} - derivational = []string{`ост`, `ость`} - - vowels = `аеиоуыэюя` -) - -func StemWord(word string) string { - - word = strings.Replace(word, `ё`, `е`, -1) - - RVpos := getRVPart(word) - - if RVpos == -1 { - return word - } - - - R1pos := getRNPart(word, 0) - R2pos := getRNPart(word, R1pos) - if (R2pos < RVpos) { - R2pos = 0 - } else { - R2pos -= RVpos - } - - suffix := string([]rune(word)[RVpos:]) - prefix := string([]rune(word)[:RVpos]) - - // Step 1 - suffix, isTrimmed := trimSuffix(suffix, perfectiveGerund[1], perfectiveGerund[0]) - if !isTrimmed { - suffix, isTrimmed = trimSuffix(suffix, reflexive, nil) - suffix, isTrimmed = trimAdjectival(suffix) - if !isTrimmed { - suffix, isTrimmed = trimSuffix(suffix, verb[1], verb[0]) - if !isTrimmed { - suffix, _ = trimSuffix(suffix, noun, nil) - } - } - } - - // Step 2 - suffix = strings.TrimSuffix(suffix, `и`) - - // Step 3 - if R2pos < len([]rune(suffix)) { - R2suffix := string([]rune(suffix)[R2pos:]) - R2prefix := string([]rune(suffix)[:R2pos]) - R2suffix, _ = trimSuffix(R2suffix, derivational, nil) - suffix = R2prefix + R2suffix - } - - // Step 4 - suffix, isTrimmed = trimNN(suffix) - if !isTrimmed { - suffix, isTrimmed = trimSuffix(suffix, superlative, nil) - if isTrimmed { - suffix, _ = trimNN(suffix) - } else { - suffix = strings.TrimSuffix(suffix, `ь`) - } - } - - return prefix + suffix -} - -func trimNN(word string) (string, bool) { - if strings.HasSuffix(word, `нн`) { - return strings.TrimSuffix(word, `нн`) + `н`, true - } - - return word, false -} - -func trimAdjectival(word string) (string, bool) { - isTrimmedParticiple := false - word, isTrimmedAdjective := trimSuffix(word, adjective, nil) - if isTrimmedAdjective { - word, isTrimmedParticiple = trimSuffix(word, participle[1], participle[0]) - } - - return word, isTrimmedAdjective || isTrimmedParticiple -} - -func trimSuffix(word string, suffixes []string, suffixes2 []string) (string, bool) { - for _, suffix := range suffixes { - if strings.HasSuffix(word, suffix) { - return strings.TrimSuffix(word, suffix), true - } - } - if suffixes2 != nil { - for _, suffix := range suffixes2 { - if strings.HasSuffix(word, `а`+suffix) || - strings.HasSuffix(word, `я`+suffix) { - return strings.TrimSuffix(word, suffix), true - } - } - } - - return word, false -} - -func isVowel(char rune) bool { - return strings.Contains(vowels, string(char)) -} - -func getRVPart(word string) int { - chars := []rune(word) - for idx, char := range chars { - if isVowel(char) { - return idx + 1 - } - } - - return -1 -} - -func getRNPart(word string, startPos int) int { - chars := []rune(word)[startPos:] - for idx, char := range chars { - if idx+2 < len(chars) { - if isVowel(char) && !isVowel(chars[idx+1]) { - return startPos + idx + 2 - } - } - } - - return startPos -} -- cgit v1.2.3