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*
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* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is part of dcm4che, an implementation of DICOM(TM) in
* Java(TM), hosted at https://github.com/gunterze/dcm4che.
*
* The Initial Developer of the Original Code is
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* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
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* See listed authors below.
*
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package org.dcm4che3.soundex;
/**
* Implementation of the PHONEM substitutions as described in Georg Wilde and
* Carsten Meyer, Doppelgaenger gesucht - Ein Programm fuer kontextsensitive
* phonetische Textumwandlung ct Magazin fuer Computer & Technik 25/1998.
*
* @see <a href="http://www.uni-koeln.de/phil-fak/phonetik/Lehre/MA-Arbeiten/magister_wilz.pdf"
* >Martin Wilz: Aspekte der Kodierung phonetischer Ähnlichkeiten in
* deutschen Eigennamen</a>
*
* @author Gunter Zeilinger <gunterze@gmail.com>
*/
public class Phonem implements FuzzyStr {
@Override
public String toFuzzy(String s) {
if (s == null || s.length() == 0)
return "";
char[] in = s.toUpperCase().toCharArray();
char next = in[0];
int j = 0;
for (int i = 1; i < in.length; i++) {
char prev = next;
switch ((prev << 8) + (next = in[i])) {
case 0x5343: // SC
case 0x535a: // SZ
case 0x435a: // CZ
case 0x5453: // TS
next = 'C';
break;
case 0x4b53: // KS
next = 'X';
break;
case 0x5046: // PF
case 0x5048: // PH
next = 'V';
break;
case 0x5545: // UE
next = 'Y';
break;
case 0x4145: // AE
prev = 'E';
break;
case 0x4f45: // OE
next = 'Ö';
break;
case 0x4f55: // OU
next = '§';
break;
case 0x5155: // QU
in[j++] = 'K';
next = 'W';
break;
case 0x4549: // EI
case 0x4559: // EY
in[j++] = 'A';
next = 'Y';
break;
case 0x4555: // EU
in[j++] = 'O';
next = 'Y';
break;
case 0x4155: // AU
in[j++] = 'A';
next = '§';
break;
default:
in[j++] = prev;
break;
}
}
in[j++] = next;
int k = 0;
char prev = 0;
for (int i = 0; i < j; i++) {
char ch = in[i];
switch (ch) {
case 'Z':
case 'K':
case 'G':
case 'Q':
case 'Ç':
ch = 'C';
break;
case 'À':
case 'Á':
case 'Â':
case 'Ã':
case 'Å':
ch = 'A';
break;
case 'Ä':
case 'Æ':
case 'È':
case 'É':
case 'Ê':
case 'Ë':
ch = 'E';
break;
case 'I':
case 'J':
case 'Ì':
case 'Í':
case 'Î':
case 'Ï':
case 'Ü':
case 'Ý':
ch = 'Y';
break;
case 'Ñ':
ch = 'N';
break;
case 'Ò':
case 'Ó':
case 'Ô':
case 'Õ':
ch = 'O';
break;
case 'Ø':
ch = 'Ö';
break;
case 'ß':
ch = 'S';
break;
case 'F':
case 'W':
ch = 'V';
break;
case 'P':
ch = 'B';
break;
case 'T':
ch = 'D';
break;
case '§':
case 'Ù':
case 'Ú':
case 'Û':
ch = 'U';
break;
case 'A':
case 'B':
case 'C':
case 'D':
case 'L':
case 'M':
case 'N':
case 'O':
case 'R':
case 'S':
case 'U':
case 'V':
case 'X':
case 'Y':
case 'Ö':
break;
default:
continue;
}
if (ch != prev)
in[k++] = prev = ch;
}
return new String(in, 0, k);
}
public static void main(String[] args) {
Phonem inst = new Phonem();
for (String arg : args)
System.out.println(inst.toFuzzy(arg));
}
}