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June 26, 2019 02:43
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Double Metaphone algorithm in kotlin
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| /* | |
| This is Kotlin port of Anthony Tong Lee's 2008 implementation of the double metaphone algorithm | |
| See http://www.ddj.com/cpp/184401251?pgno=1 for a discussion and original C++ implementation. | |
| Copyright (c) 2008 Anthony Tong Lee | |
| Permission is hereby granted, free of charge, to any person | |
| obtaining a copy of this software and associated documentation | |
| files (the "Software"), to deal in the Software without | |
| restriction, including without limitation the rights to use, | |
| copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| copies of the Software, and to permit persons to whom the | |
| Software is furnished to do so, subject to the following | |
| conditions: | |
| The above copyright notice and this permission notice shall be | |
| included in all copies or substantial portions of the Software. | |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | |
| OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | |
| HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
| WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
| FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
| OTHER DEALINGS IN THE SOFTWARE. | |
| */ | |
| class DoubleMetaphone { | |
| companion object { | |
| @JvmStatic | |
| fun getDoubleMetaphone(input: String): String { | |
| if (input.length < 1) return input | |
| var metaphoneData = MetaphoneData() | |
| var current: Int = 0 | |
| var last: Int = input.length - 1 | |
| var workingString = input.toUpperCase() + " " | |
| var isSlavoGermanic = (input.indexOf('W') > -1) || (input.indexOf('K') > -1) || (input.indexOf("CZ") > -1) | |
| || (input.indexOf("WITZ") > -1) | |
| //skip these when at start of word | |
| if (workingString.startsWith(listOf("GN", "KN", "PN", "WR", "PS"), true)) { | |
| current += 1 | |
| } | |
| //Initial 'X' is pronounced 'Z' e.g. 'Xavier' | |
| if (workingString[0] == 'X') { | |
| metaphoneData.Add("S") //'Z' maps to 'S' | |
| current += 1 | |
| } | |
| loop@ while ((metaphoneData.PrimaryLength < 4) || (metaphoneData.SecondaryLength < 4)) { | |
| if (current >= input.length) { | |
| break | |
| } | |
| when (workingString[current]) { | |
| 'A', 'E', 'I', 'O', 'U', 'Y' -> { | |
| if (current == 0) { | |
| //all init vowels now map to 'A' | |
| metaphoneData.Add("A") | |
| } | |
| current += 1 | |
| continue@loop | |
| } | |
| 'B' -> { | |
| //"-mb", e.g", "dumb", already skipped over... | |
| metaphoneData.Add("P") | |
| if (workingString[current + 1] == 'B') { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| continue@loop | |
| } | |
| '�' -> { | |
| metaphoneData.Add("S") | |
| current += 1 | |
| continue@loop | |
| } | |
| 'C' -> { | |
| //various germanic | |
| if ((current > 1) && !workingString[current - 2].isVowel() && workingString.stringAt( | |
| (current - 1), | |
| listOf("ACH") | |
| ) && | |
| ((workingString[current + 2] != 'I') && ((workingString[current + 2] != 'E') || workingString.stringAt( | |
| current - 2, | |
| listOf("BACHER", "MACHER") | |
| ))) | |
| ) { | |
| metaphoneData.Add("K") | |
| current += 2 | |
| continue@loop | |
| } | |
| if ((current == 0) && workingString.stringAt(current, listOf("CAESAR"))) { | |
| //special case 'caesar' | |
| metaphoneData.Add("S") | |
| current += 2 | |
| continue@loop | |
| } | |
| if (workingString.stringAt(current, listOf("CHIA"))) { | |
| //italian 'chianti' | |
| metaphoneData.Add("K") | |
| current += 2 | |
| continue@loop | |
| } | |
| if (workingString.stringAt(current, listOf("CH"))) { | |
| ////find 'michael' | |
| if ((current > 0) && workingString.stringAt(current, listOf("CHAE"))) { | |
| metaphoneData.Add("K", "X") | |
| current += 2 | |
| continue@loop | |
| } | |
| if ((current == 0) && (workingString.stringAt((current + 1), listOf("HARAC", "HARIS")) || | |
| workingString.stringAt((current + 1), listOf("HOR", "HYM", "HIA", "HEM"))) && | |
| !workingString.stringAt(0, listOf("CHORE")) | |
| ) { | |
| //greek roots e.g. 'chemistry', 'chorus' | |
| metaphoneData.Add("K") | |
| current += 2 | |
| continue@loop | |
| } | |
| if ((workingString.stringAt(0, listOf("VAN ", "VON ")) || workingString.stringAt( | |
| 0, | |
| listOf("SCH") | |
| )) // 'architect but not 'arch', 'orchestra', 'orchid' | |
| || workingString.stringAt( | |
| (current - 2), | |
| listOf("ORCHES", "ARCHIT", "ORCHID") | |
| ) || workingString.stringAt((current + 2), listOf("T", "S")) | |
| || ((workingString.stringAt( | |
| (current - 1), | |
| listOf("A", "O", "U", "E") | |
| ) || (current == 0)) //e.g., 'wachtler', 'wechsler', but not 'tichner' | |
| && workingString.stringAt( | |
| (current + 2), | |
| listOf("L", "R", "N", "M", "B", "H", "F", "V", "W", " ") | |
| )) | |
| ) { | |
| //germanic, greek, or otherwise 'ch' for 'kh' sound | |
| metaphoneData.Add("K") | |
| } else { | |
| if (current > 0) { | |
| if (workingString.stringAt(0, listOf("MC"))) { | |
| //e.g., "McHugh" | |
| metaphoneData.Add("K") | |
| } else { | |
| metaphoneData.Add("X", "K") | |
| } | |
| } else { | |
| metaphoneData.Add("X") | |
| } | |
| current += 2 | |
| continue@loop | |
| } | |
| } | |
| if (workingString.stringAt(current, listOf("CZ")) && !workingString.stringAt( | |
| (current - 2), | |
| listOf("WICZ") | |
| ) | |
| ) { | |
| //e.g, 'czerny' | |
| metaphoneData.Add("S", "X") | |
| current += 2 | |
| continue@loop | |
| } | |
| if (workingString.stringAt((current + 1), listOf("CIA"))) { | |
| //e.g., 'focaccia' | |
| metaphoneData.Add("X") | |
| current += 3 | |
| continue@loop | |
| } | |
| if (workingString.stringAt( | |
| current, | |
| listOf("CC") | |
| ) && !((current == 1) && (workingString[0] == 'M')) | |
| ) { | |
| //double 'C', but not if e.g. 'McClellan' | |
| if (workingString.stringAt((current + 2), listOf("I", "E", "H")) && !workingString.stringAt( | |
| (current + 2), | |
| listOf("HU") | |
| ) | |
| ) { | |
| //'bellocchio' but not 'bacchus' | |
| if (((current == 1) && (workingString[current - 1] == 'A')) || workingString.stringAt( | |
| (current - 1), | |
| listOf("UCCEE", "UCCES") | |
| ) | |
| ) { | |
| //'accident', 'accede' 'succeed' | |
| metaphoneData.Add("KS") | |
| } else { | |
| //'bacci', 'bertucci', other italian | |
| metaphoneData.Add("X") | |
| } | |
| current += 3 | |
| continue@loop | |
| } else { | |
| //Pierce's rule | |
| metaphoneData.Add("K") | |
| current += 2 | |
| continue@loop | |
| } | |
| } | |
| if (workingString.stringAt(current, listOf("CK", "CG", "CQ"))) { | |
| metaphoneData.Add("K") | |
| current += 2 | |
| continue@loop | |
| } | |
| if (workingString.stringAt(current, listOf("CI", "CE", "CY"))) { | |
| if (workingString.stringAt(current, listOf("CIO", "CIE", "CIA"))) { | |
| //italian vs. english | |
| metaphoneData.Add("S", "X") | |
| } else { | |
| metaphoneData.Add("S") | |
| } | |
| current += 2 | |
| continue@loop | |
| } | |
| //else | |
| metaphoneData.Add("K") | |
| //name sent in 'mac caffrey', 'mac gregor | |
| if (workingString.stringAt((current + 1), listOf(" C", " Q", " G"))) { | |
| current += 3 | |
| } else if (workingString.stringAt( | |
| (current + 1), | |
| listOf("C", "K", "Q") | |
| ) && !workingString.stringAt((current + 1), listOf("CE", "CI")) | |
| ) { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| continue@loop | |
| } | |
| 'D' -> { | |
| if (workingString.stringAt(current, listOf("DG"))) { | |
| if (workingString.stringAt((current + 2), listOf("I", "E", "Y"))) { | |
| //e.g. 'edge' | |
| metaphoneData.Add("J") | |
| current += 3 | |
| continue@loop | |
| } else { | |
| //e.g. 'edgar' | |
| metaphoneData.Add("TK") | |
| current += 2 | |
| continue@loop | |
| } | |
| } | |
| if (workingString.stringAt(current, listOf("DT", "DD"))) { | |
| metaphoneData.Add("T") | |
| current += 2 | |
| continue@loop | |
| } | |
| //else | |
| metaphoneData.Add("T") | |
| current += 1 | |
| continue@loop | |
| } | |
| 'F' -> { | |
| if (workingString[current + 1] == 'F') { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| metaphoneData.Add("F") | |
| continue@loop | |
| } | |
| 'G' -> { | |
| if (workingString[current + 1] == 'H') { | |
| if ((current > 0) && !workingString[current - 1].isVowel()) { | |
| metaphoneData.Add("K") | |
| current += 2 | |
| continue@loop | |
| } | |
| if (current < 3) { | |
| //'ghislane', ghiradelli | |
| if (current == 0) { | |
| if (workingString[current + 2] == 'I') { | |
| metaphoneData.Add("J") | |
| } else { | |
| metaphoneData.Add("K") | |
| } | |
| current += 2 | |
| continue@loop | |
| } | |
| } | |
| if (((current > 1) && workingString.stringAt( | |
| (current - 2), | |
| listOf("B", "H", "D") | |
| )) //e.g., 'bough' | |
| || ((current > 2) && workingString.stringAt( | |
| (current - 3), | |
| listOf("B", "H", "D") | |
| )) //e.g., 'broughton' | |
| || ((current > 3) && workingString.stringAt((current - 4), listOf("B", "H"))) | |
| ) { | |
| //Parker's rule (with some further refinements) - e.g., 'hugh' | |
| current += 2 | |
| continue@loop | |
| } else { | |
| //e.g., 'laugh', 'McLaughlin', 'cough', 'gough', 'rough', 'tough' | |
| if ((current > 2) && (workingString[current - 1] == 'U') && workingString.stringAt( | |
| (current - 3), | |
| listOf("C", "G", "L", "R", "T") | |
| ) | |
| ) { | |
| metaphoneData.Add("F") | |
| } else if ((current > 0) && workingString[current - 1] != 'I') { | |
| metaphoneData.Add("K") | |
| } | |
| current += 2 | |
| continue@loop | |
| } | |
| } | |
| if (workingString[current + 1] == 'N') { | |
| if ((current == 1) && workingString[0].isVowel() && !isSlavoGermanic) { | |
| metaphoneData.Add("KN", "N") | |
| } else { | |
| //not e.g. 'cagney' | |
| if (!workingString.stringAt( | |
| (current + 2), | |
| listOf("EY") | |
| ) && (workingString[current + 1] != 'Y') && !isSlavoGermanic | |
| ) { | |
| metaphoneData.Add("N", "KN") | |
| } else { | |
| metaphoneData.Add("KN") | |
| } | |
| } | |
| current += 2 | |
| continue@loop | |
| } | |
| if (workingString.stringAt((current + 1), listOf("LI")) && !isSlavoGermanic) { | |
| //'tagliaro' | |
| metaphoneData.Add("KL", "L") | |
| current += 2 | |
| continue@loop | |
| } | |
| if ((current == 0) && | |
| ((workingString[current + 1] == 'Y') || | |
| workingString.stringAt( | |
| (current + 1), | |
| listOf("ES", "EP", "EB", "EL", "EY", "IB", "IL", "IN", "IE", "EI", "ER") | |
| )) | |
| ) { | |
| //-ges-,-gep-,-gel-, -gie- at beginning | |
| metaphoneData.Add("K", "J") | |
| current += 2 | |
| continue@loop | |
| } | |
| if ((workingString.stringAt( | |
| (current + 1), | |
| listOf("ER") | |
| ) || (workingString[current + 1] == 'Y')) && !workingString.stringAt( | |
| 0, | |
| listOf("DANGER", "RANGER", "MANGER") | |
| ) | |
| && !workingString.stringAt( | |
| (current - 1), | |
| listOf("E", "I") | |
| ) && !workingString.stringAt((current - 1), listOf("RGY", "OGY")) | |
| ) { | |
| // -ger-, -gy- | |
| metaphoneData.Add("K", "J") | |
| current += 2 | |
| continue@loop | |
| } | |
| if (workingString.stringAt( | |
| (current + 1), | |
| listOf("E", "I", "Y") | |
| ) || workingString.stringAt((current - 1), listOf("AGGI", "OGGI")) | |
| ) { | |
| // italian e.g, 'biaggi' | |
| if ((workingString.stringAt(0, listOf("VAN ", "VON ")) || workingString.stringAt( | |
| 0, | |
| listOf("SCH") | |
| )) || workingString.stringAt((current + 1), listOf("ET")) | |
| ) { | |
| //obvious germanic | |
| metaphoneData.Add("K") | |
| } else | |
| //always soft if french ending | |
| if (workingString.stringAt((current + 1), listOf("IER "))) { | |
| metaphoneData.Add("J") | |
| } else { | |
| metaphoneData.Add("J", "K") | |
| } | |
| current += 2 | |
| continue@loop | |
| } | |
| if (workingString[current + 1] == 'G') { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| metaphoneData.Add("K") | |
| continue@loop | |
| } | |
| 'H' -> { | |
| //only keep if first & before vowel or btw. 2 vowels | |
| if (((current == 0) || workingString[current - 1].isVowel()) && workingString[current + 1].isVowel()) { | |
| metaphoneData.Add("H") | |
| current += 2 | |
| } else //also takes care of 'HH' | |
| { | |
| current += 1 | |
| } | |
| continue@loop | |
| } | |
| 'J' -> { | |
| //obvious spanish, 'jose', 'san jacinto' | |
| if (workingString.stringAt(current, listOf("JOSE")) || workingString.stringAt( | |
| 0, | |
| listOf("SAN ") | |
| ) | |
| ) { | |
| if (((current == 0) && (workingString[current + 4] == ' ')) || workingString.stringAt( | |
| 0, | |
| listOf("SAN ") | |
| ) | |
| ) { | |
| metaphoneData.Add("H") | |
| } else { | |
| metaphoneData.Add("J", "H") | |
| } | |
| current += 1 | |
| continue@loop | |
| } | |
| if ((current == 0) && !workingString.stringAt(current, listOf("JOSE"))) { | |
| metaphoneData.Add("J", "A") //Yankelovich/Jankelowicz | |
| } else { | |
| //spanish pron. of e.g. 'bajador' | |
| if (workingString[current - 1].isVowel() && !isSlavoGermanic && ((workingString[current + 1] == 'A') || (workingString[current + 1] == 'O'))) { | |
| metaphoneData.Add("J", "H") | |
| } else if (current == last) { | |
| metaphoneData.Add("J", " ") | |
| } else if (!workingString.stringAt( | |
| (current + 1), | |
| listOf("L", "T", "K", "S", "N", "M", "B", "Z") | |
| ) && !workingString.stringAt((current - 1), listOf("S", "K", "L")) | |
| ) { | |
| metaphoneData.Add("J") | |
| } | |
| } | |
| if (workingString[current + 1] == 'J') //it could happen! | |
| { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| continue@loop | |
| } | |
| 'K' -> { | |
| if (workingString[current + 1] == 'K') { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| metaphoneData.Add("K") | |
| continue@loop | |
| } | |
| 'L' -> { | |
| if (workingString[current + 1] == 'L') { | |
| //spanish e.g. 'cabrillo', 'gallegos' | |
| if (((current == (input.length - 3)) && workingString.stringAt( | |
| (current - 1), | |
| listOf("ILLO", "ILLA", "ALLE") | |
| )) | |
| || ((workingString.stringAt((last - 1), listOf("AS", "OS")) || workingString.stringAt( | |
| last, | |
| listOf("A", "O") | |
| )) && workingString.stringAt((current - 1), listOf("ALLE"))) | |
| ) { | |
| metaphoneData.Add("L", " ") | |
| current += 2 | |
| continue@loop | |
| } | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| metaphoneData.Add("L") | |
| continue@loop | |
| } | |
| 'M' -> { | |
| if ((workingString.stringAt( | |
| (current - 1), | |
| listOf("UMB") | |
| ) && (((current + 1) == last) || workingString.stringAt( | |
| (current + 2), | |
| listOf("ER") | |
| ))) //'dumb','thumb' | |
| || (workingString[current + 1] == 'M') | |
| ) { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| metaphoneData.Add("M") | |
| continue@loop | |
| } | |
| 'N' -> { | |
| if (workingString[current + 1] == 'N') { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| metaphoneData.Add("N") | |
| continue@loop | |
| } | |
| 'P' -> { | |
| var exit = false | |
| if (workingString[current + 1] == 'H') { | |
| metaphoneData.Add("F") | |
| current += 2 | |
| continue@loop | |
| } | |
| if (workingString.stringAt((current + 1), listOf("P", "B"))) { | |
| //also account for "campbell", "raspberry" | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| metaphoneData.Add("P") | |
| continue@loop | |
| } | |
| 'Q' -> { | |
| if (workingString[current + 1] == 'Q') { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| metaphoneData.Add("K") | |
| continue@loop | |
| } | |
| 'R' -> { | |
| //french e.g. 'rogier', but exclude 'hochmeier' | |
| if ((current == last) && !isSlavoGermanic && workingString.stringAt( | |
| (current - 2), | |
| listOf("IE") | |
| ) && !workingString.stringAt((current - 4), listOf("ME", "MA")) | |
| ) { | |
| metaphoneData.Add("", "R") | |
| } else { | |
| metaphoneData.Add("R") | |
| } | |
| if (workingString[current + 1] == 'R') { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| continue@loop | |
| } | |
| 'S' -> { | |
| if (workingString.stringAt((current - 1), listOf("ISL", "YSL"))) { | |
| //special cases 'island', 'isle', 'carlisle', 'carlysle' | |
| current += 1 | |
| continue@loop | |
| } | |
| if ((current == 0) && workingString.stringAt(current, listOf("SUGAR"))) { | |
| //special case 'sugar-' | |
| metaphoneData.Add("X", "S") | |
| current += 1 | |
| continue@loop | |
| } | |
| if (workingString.stringAt(current, listOf("SH"))) { | |
| //germanic | |
| if (workingString.stringAt((current + 1), listOf("HEIM", "HOEK", "HOLM", "HOLZ"))) { | |
| metaphoneData.Add("S") | |
| } else { | |
| metaphoneData.Add("X") | |
| } | |
| current += 2 | |
| continue@loop | |
| } | |
| if (workingString.stringAt(current, listOf("SIO", "SIA")) || workingString.stringAt( | |
| current, | |
| listOf("SIAN") | |
| ) | |
| ) { | |
| //italian & armenian | |
| if (!isSlavoGermanic) { | |
| metaphoneData.Add("S", "X") | |
| } else { | |
| metaphoneData.Add("S") | |
| } | |
| current += 3 | |
| continue@loop | |
| } | |
| if (((current == 0) && workingString.stringAt( | |
| (current + 1), | |
| listOf("M", "N", "L", "W") | |
| )) || workingString.stringAt((current + 1), listOf("Z")) | |
| ) { | |
| //german & anglicisations, e.g. 'smith' match 'schmidt', 'snider' match 'schneider' | |
| //also, -sz- in slavic language altho in hungarian it is pronounced 's' | |
| metaphoneData.Add("S", "X") | |
| if (workingString.stringAt((current + 1), listOf("Z"))) { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| continue@loop | |
| } | |
| if (workingString.stringAt(current, listOf("SC"))) { | |
| //Schlesinger's rule | |
| if (workingString[current + 2] == 'H') { | |
| //dutch origin, e.g. 'school', 'schooner' | |
| if (workingString.stringAt((current + 3), listOf("OO", "ER", "EN", "UY", "ED", "EM"))) { | |
| //'schermerhorn', 'schenker' | |
| if (workingString.stringAt((current + 3), listOf("ER", "EN"))) { | |
| metaphoneData.Add("X", "SK") | |
| } else { | |
| metaphoneData.Add("SK") | |
| } | |
| current += 3 | |
| continue@loop | |
| } else { | |
| if ((current == 0) && !workingString[3].isVowel() && (workingString[3] != 'W')) { | |
| metaphoneData.Add("X", "S") | |
| } else { | |
| metaphoneData.Add("X") | |
| } | |
| current += 3 | |
| continue@loop | |
| } | |
| } | |
| if (workingString.stringAt((current + 2), listOf("I", "E", "Y"))) { | |
| metaphoneData.Add("S") | |
| current += 3 | |
| continue@loop | |
| } | |
| //else | |
| metaphoneData.Add("SK") | |
| current += 3 | |
| continue@loop | |
| } | |
| if ((current == last) && workingString.stringAt((current - 2), listOf("AI", "OI"))) { | |
| //french e.g. 'resnais', 'artois' | |
| metaphoneData.Add("", "S") | |
| } else { | |
| metaphoneData.Add("S") | |
| } | |
| if (workingString.stringAt((current + 1), listOf("S", "Z"))) { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| continue@loop | |
| } | |
| 'T' -> { | |
| if (workingString.stringAt(current, listOf("TION"))) { | |
| metaphoneData.Add("X") | |
| current += 3 | |
| continue@loop | |
| } | |
| if (workingString.stringAt(current, listOf("TIA", "TCH"))) { | |
| metaphoneData.Add("X") | |
| current += 3 | |
| continue@loop | |
| } | |
| if (workingString.stringAt(current, listOf("TH")) || workingString.stringAt( | |
| current, | |
| listOf("TTH") | |
| ) | |
| ) { | |
| //special case 'thomas', 'thames' or germanic | |
| if (workingString.stringAt((current + 2), listOf("OM", "AM")) || workingString.stringAt( | |
| 0, | |
| listOf("VAN ", "VON ") | |
| ) || workingString.stringAt(0, listOf("SCH")) | |
| ) { | |
| metaphoneData.Add("T") | |
| } else { | |
| metaphoneData.Add("O", "T") | |
| } | |
| current += 2 | |
| continue@loop | |
| } | |
| if (workingString.stringAt((current + 1), listOf("T", "D"))) { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| metaphoneData.Add("T") | |
| continue@loop | |
| } | |
| 'V' -> { | |
| if (workingString[current + 1] == 'V') { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| metaphoneData.Add("F") | |
| continue@loop | |
| } | |
| 'W' -> { | |
| //can also be in middle of word | |
| if (workingString.stringAt(current, listOf("WR"))) { | |
| metaphoneData.Add("R") | |
| current += 2 | |
| continue@loop | |
| } | |
| if ((current == 0) && (workingString[current + 1].isVowel() || workingString.stringAt( | |
| current, | |
| listOf("WH") | |
| )) | |
| ) { | |
| //Wasserman should match Vasserman | |
| if (workingString[current + 1].isVowel()) { | |
| metaphoneData.Add("A", "F") | |
| } else { | |
| //need Uomo to match Womo | |
| metaphoneData.Add("A") | |
| } | |
| } | |
| if (((current == last) && workingString[current - 1].isVowel()) || workingString.stringAt( | |
| (current - 1), | |
| listOf("EWSKI", "EWSKY", "OWSKI", "OWSKY") | |
| ) | |
| || workingString.stringAt(0, listOf("SCH")) | |
| ) { | |
| //Arnow should match Arnoff | |
| metaphoneData.Add("", "F") | |
| current += 1 | |
| continue@loop | |
| } | |
| if (workingString.stringAt(current, listOf("WICZ", "WITZ"))) { | |
| //polish e.g. 'filipowicz' | |
| metaphoneData.Add("TS", "FX") | |
| current += 4 | |
| continue@loop | |
| } | |
| //else skip it | |
| current += 1 | |
| } | |
| 'X' -> { | |
| //french e.g. breaux | |
| if (!((current == last) && (workingString.stringAt( | |
| (current - 3), | |
| listOf("IAU", "EAU") | |
| ) || workingString.stringAt((current - 2), listOf("AU", "OU")))) | |
| ) { | |
| metaphoneData.Add("KS") | |
| } | |
| if (workingString.stringAt((current + 1), listOf("C", "X"))) { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| continue@loop | |
| } | |
| 'Z' -> { | |
| //chinese pinyin e.g. 'zhao' | |
| if (workingString[current + 1] == 'H') { | |
| metaphoneData.Add("J") | |
| current += 2 | |
| continue@loop | |
| } else if (workingString.stringAt( | |
| (current + 1), | |
| listOf("ZO", "ZI", "ZA") | |
| ) || (isSlavoGermanic && ((current > 0) && workingString[current - 1] != 'T')) | |
| ) { | |
| metaphoneData.Add("S", "TS") | |
| } else { | |
| metaphoneData.Add("S") | |
| } | |
| if (workingString[current + 1] == 'Z') { | |
| current += 2 | |
| } else { | |
| current += 1 | |
| } | |
| } | |
| else -> { | |
| current += 1 | |
| continue@loop | |
| } | |
| } | |
| } | |
| return metaphoneData.toString() | |
| } | |
| fun Char.isVowel(): Boolean { | |
| return (this == 'A') || (this == 'E') || (this == 'I') || (this == 'O') || (this == 'U') || (this == 'Y') | |
| } | |
| fun String.startsWith(strings: List<String>, ignoreCase: Boolean = true): Boolean { | |
| strings.forEach { if (it.startsWith(this)) return true } | |
| return false | |
| } | |
| fun String.stringAt(startIndex: Int, strings: List<String>, ignoreCase: Boolean = true): Boolean { | |
| var idx = startIndex | |
| if (idx < 0) { | |
| idx = 0 | |
| } | |
| strings.forEach { if (it.indexOf(it, idx, ignoreCase) >= startIndex) return true } | |
| return false | |
| } | |
| } | |
| class MetaphoneData { | |
| val _primary = StringBuilder(5) | |
| val _secondary = StringBuilder(5) | |
| var Alternative: Boolean = false | |
| var PrimaryLength: Int = _primary.length | |
| var SecondaryLength: Int = _secondary.length | |
| fun Add(main: String?) { | |
| if (main != null) { | |
| _primary.append(main) | |
| _secondary.append(main) | |
| } | |
| } | |
| fun Add(main: String?, alternative: String?) { | |
| if (main != null) { | |
| _primary.append(main) | |
| } | |
| if (alternative != null) { | |
| Alternative = true | |
| if (alternative.trim().length > 0) { | |
| _secondary.append(alternative) | |
| } | |
| } else { | |
| if (main != null && main.trim().length > 0) { | |
| _secondary.append(main) | |
| } | |
| } | |
| } | |
| override fun toString(): String { | |
| val primary = _primary.toString() | |
| val secondary = _secondary.toString() | |
| return if (primary != secondary) { | |
| "[\"" + _primary.toString() + "\",\"" + _secondary.toString() + "\"]" | |
| } else { | |
| "[\"" + _primary.toString() + "\"]" | |
| } | |
| } | |
| } | |
| } |
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