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| package org.divxdede.util.text;
/** Classe complementaire du J2SDK sur la manipulation de chaines de caractéres
* Permet nottament de supprimer les accents d'une chaine de caractères
*
* @author André Sébastien
**/
public class StringOperation
{
/** Mise en minuscule **/
public static final int LOWER_CASE = 4;
/** Mise en majuscule **/
public static final int UPPER_CASE = 8;
/** Remplacement des caractères accentués par leur versions sans accents **/
public static final int WITHOUT_ACCENTS = 16;
/** Index du 1er caractere accentué **/
private static final int MIN = 192;
/** Index du dernier caractere accentué **/
private static final int MAX = 383;
/** Vecteur de correspondance entre accent / sans accent **/
private static final char[] map = initMap();
/** Initialisation du tableau de correspondance entre les caractéres accentués et leur homologues non accentués **/
private static char[] initMap()
{ char[] result = new char[ MAX - MIN + 1 ];
char car = ' ';
car = 'A';
result[00] = car; /* '\u00C0' À alt-0192 */
result[01] = car; /* '\u00C1' Á alt-0193 */
result[02] = car; /* '\u00C2' Â alt-0194 */
result[03] = car; /* '\u00C3' Ã alt-0195 */
result[04] = car; /* '\u00C4' Ä alt-0196 */
result[05] = car; /* '\u00C5' Å alt-0197 */
car = ' ';
result[06] = car; /* '\u00C6' Æ alt-0198 ********* BI-CARACTERE ******** */
car = 'C';
result[07] = car; /* '\u00C7' Ç alt-0199 */
car = 'E';
result[8] = car; /* '\u00C8' È alt-0200 */
result[9] = car; /* '\u00C9' É alt-0201 */
result[10] = car; /* '\u00CA' Ê alt-0202 */
result[11] = car; /* '\u00CB' Ë alt-0203 */
car = 'I';
result[12] = car; /* '\u00CC' Ì alt-0204 */
result[13] = car; /* '\u00CD' Í alt-0205 */
result[14] = car; /* '\u00CE' Î alt-0206 */
result[15] = car; /* '\u00CF' Ï alt-0207 */
car = 'D';
result[16] = car; /* '\u00D0' Ð alt-0208 */
car = 'N';
result[17] = car; /* '\u00D1' Ñ alt-0209 */
car = 'O';
result[18] = car; /* '\u00D2' Ò alt-0210 */
result[19] = car; /* '\u00D3' Ó alt-0211 */
result[20] = car; /* '\u00D4' Ô alt-0212 */
result[21] = car; /* '\u00D5' Õ alt-0213 */
result[22] = car; /* '\u00D6' Ö alt-0214 */
car = '*';
result[23] = car; /* '\u00D7' × alt-0215 ***** NON ALPHA **** */
car = '0';
result[24] = car; /* '\u00D8' Ø alt-0216 */
car = 'U';
result[25] = car; /* '\u00D9' Ù alt-0217 */
result[26] = car; /* '\u00DA' Ú alt-0218 */
result[27] = car; /* '\u00DB' Û alt-0219 */
result[28] = car; /* '\u00DC' Ü alt-0220 */
car = 'Y';
result[29] = car; /* '\u00DD' Ý alt-0221 */
car = ' ';
result[30] = car; /* '\u00DE' Þ alt-0222 ***** NON ALPHA **** */
car = 'B';
result[31] = car; /* '\u00DF' ß alt-0223 ***** NON ALPHA **** */
car = 'a';
result[32] = car; /* '\u00E0' à alt-0224 */
result[33] = car; /* '\u00E1' á alt-0225 */
result[34] = car; /* '\u00E2' â alt-0226 */
result[35] = car; /* '\u00E3' ã alt-0227 */
result[36] = car; /* '\u00E4' ä alt-0228 */
result[37] = car; /* '\u00E5' å alt-0229 */
car = ' ';
result[38] = car; /* '\u00E6' æ alt-0230 ********* BI-CARACTERE ******** */
car = 'c';
result[39] = car; /* '\u00E7' ç alt-0231 */
car = 'e';
result[40] = car; /* '\u00E8' è alt-0232 */
result[41] = car; /* '\u00E9' é alt-0233 */
result[42] = car; /* '\u00EA' ê alt-0234 */
result[43] = car; /* '\u00EB' ë alt-0235 */
car = 'i';
result[44] = car; /* '\u00EC' ì alt-0236 */
result[45] = car; /* '\u00ED' í alt-0237 */
result[46] = car; /* '\u00EE' î alt-0238 */
result[47] = car; /* '\u00EF' ï alt-0239 */
car = 'd';
result[48] = car; /* '\u00F0' ð alt-0240 */
car = 'n';
result[49] = car; /* '\u00F1' ñ alt-0241 */
car = 'o';
result[50] = car; /* '\u00F2' ò alt-0242 */
result[51] = car; /* '\u00F3' ó alt-0243 */
result[52] = car; /* '\u00F4' ô alt-0244 */
result[53] = car; /* '\u00F5' õ alt-0245 */
result[54] = car; /* '\u00F6' ö alt-0246 */
car = '/';
result[55] = car; /* '\u00F7' ÷ alt-0247 ***** NON ALPHA **** */
car = '0';
result[56] = car; /* '\u00F8' ø alt-0248 ***** NON ALPHA **** */
car = 'u';
result[57] = car; /* '\u00F9' ù alt-0249 */
result[58] = car; /* '\u00FA' ú alt-0250 */
result[59] = car; /* '\u00FB' û alt-0251 */
result[60] = car; /* '\u00FC' ü alt-0252 */
car = 'y';
result[61] = car; /* '\u00FD' ý alt-0253 */
car = ' ';
result[62] = car; /* '\u00FE' þ alt-0254 ***** NON ALPHA **** */
car = 'y';
result[63] = car; /* '\u00FF' ÿ alt-0255 */
result[64] = 'A'; /* '\u0100' ? */
result[65] = 'a'; /* '\u0101' ? */
result[66] = 'A'; /* '\u0102' ? */
result[67] = 'a'; /* '\u0103' ? */
result[68] = 'A'; /* '\u0104' ? */
result[69] = 'a'; /* '\u0105' ? */
result[70] = 'C'; /* '\u0106' ? */
result[71] = 'c'; /* '\u0107' ? */
result[72] = 'C'; /* '\u0108' ? */
result[73] = 'c'; /* '\u0109' ? */
result[74] = 'C'; /* '\u010A' ? */
result[75] = 'c'; /* '\u010B' ? */
result[76] = 'C'; /* '\u010C' ? */
result[77] = 'c'; /* '\u010D' ? */
result[78] = 'D'; /* '\u010e' ? */
result[79] = 'd'; /* '\u010f' ? */
result[80] = 'D'; /* '\u0110' ? */
result[81] = 'd'; /* '\u0111' ? */
result[82] = 'E'; /* '\u0112' ? */
result[83] = 'e'; /* '\u0113' ? */
result[84] = 'E'; /* '\u0114' ? */
result[85] = 'e'; /* '\u0115' ? */
result[86] = 'E'; /* '\u0116' ? */
result[87] = 'e'; /* '\u0117' ? */
result[88] = 'E'; /* '\u0118' ? */
result[89] = 'e'; /* '\u0119' ? */
result[90] = 'E'; /* '\u011A' ? */
result[91] = 'e'; /* '\u011B' ? */
result[92] = 'G'; /* '\u011C' ? */
result[93] = 'g'; /* '\u011D' ? */
result[94] = 'G'; /* '\u011E' ? */
result[95] = 'g'; /* '\u011F' ? */
result[96] = 'G'; /* '\u0120' ? */
result[97] = 'g'; /* '\u0121' ? */
result[98] = 'G'; /* '\u0122' ? */
result[99] = 'g'; /* '\u0123' ? */
result[100] = 'H'; /* '\u0124' ? */
result[101] = 'h'; /* '\u0125' ? */
result[102] = 'H'; /* '\u0126' ? */
result[103] = 'h'; /* '\u0127' ? */
result[104] = 'I'; /* '\u0128' ? */
result[105] = 'i'; /* '\u0129' ? */
result[106] = 'I'; /* '\u012A' ? */
result[107] = 'i'; /* '\u012B' ? */
result[108] = 'I'; /* '\u012C' ? */
result[109] = 'i'; /* '\u012D' ? */
result[110] = 'I'; /* '\u012E' ? */
result[111] = 'i'; /* '\u012F' ? */
result[112] = 'I'; /* '\u0130' ? */
result[113] = 'i'; /* '\u0131' ? */
result[114] = ' '; /* '\u0132' ? ********* BI-CARACTERE ******** */
result[115] = ' '; /* '\u0133' ? ********* BI-CARACTERE ******** */
result[116] = 'J'; /* '\u0134' ? */
result[117] = 'j'; /* '\u0135' ? */
result[118] = 'K'; /* '\u0136' ? */
result[119] = 'k'; /* '\u0137' ? */
result[120] = 'k'; /* '\u0138' ? */
result[121] = 'L'; /* '\u0139' ? */
result[122] = 'l'; /* '\u013A' ? */
result[123] = 'L'; /* '\u013B' ? */
result[124] = 'l'; /* '\u013C' ? */
result[125] = 'L'; /* '\u013D' ? */
result[126] = 'l'; /* '\u013E' ? */
result[127] = 'L'; /* '\u013F' ? */
result[128] = 'l'; /* '\u0140' ? */
result[129] = 'L'; /* '\u0141' ? */
result[130] = 'l'; /* '\u0142' ? */
result[131] = 'N'; /* '\u0143' ? */
result[132] = 'n'; /* '\u0144' ? */
result[133] = 'N'; /* '\u0145' ? */
result[134] = 'n'; /* '\u0146' ? */
result[135] = 'N'; /* '\u0147' ? */
result[136] = 'n'; /* '\u0148' ? */
result[137] = 'n'; /* '\u0149' ? */
result[138] = 'N'; /* '\u014A' ? */
result[139] = 'n'; /* '\u014B' ? */
result[140] = 'O'; /* '\u014C' ? */
result[141] = 'o'; /* '\u014D' ? */
result[142] = 'O'; /* '\u014E' ? */
result[143] = 'o'; /* '\u014F' ? */
result[144] = 'O'; /* '\u0150' ? */
result[145] = 'o'; /* '\u0151' ? */
result[146] = ' '; /* '\u0152' ********* BI-CARACTERE ******** */
result[147] = ' '; /* '\u0153' ********* BI-CARACTERE ******** */
result[148] = 'R'; /* '\u0154' ? */ /* --> non testé dans test JUnit */
result[149] = 'r'; /* '\u0155' ? */
result[150] = 'R'; /* '\u0156' ? */
result[151] = 'r'; /* '\u0157' ? */
result[152] = 'R'; /* '\u0158' ? */
result[153] = 'r'; /* '\u0159' ? */
result[154] = 'S'; /* '\u015A' ? */
result[155] = 's'; /* '\u015B' ? */
result[156] = 'S'; /* '\u015C' ? */
result[157] = 's'; /* '\u015D' ? */
result[158] = 'S'; /* '\u015E' ? */
result[159] = 's'; /* '\u015F' ? */
result[160] = 'S'; /* '\u0160' */
result[161] = 's'; /* '\u0161' */
result[162] = 'T'; /* '\u0162' ? */
result[163] = 't'; /* '\u0163' ? */
result[164] = 'T'; /* '\u0164' ? */
result[165] = 't'; /* '\u0165' ? */
result[166] = 'T'; /* '\u0166' ? */
result[167] = 't'; /* '\u0167' ? */
result[168] = 'U'; /* '\u0168' ? */
result[169] = 'u'; /* '\u0169' ? */
result[170] = 'U'; /* '\u016A' ? */
result[171] = 'u'; /* '\u016B' ? */
result[172] = 'U'; /* '\u016C' ? */
result[173] = 'u'; /* '\u016D' ? */
result[174] = 'U'; /* '\u016E' ? */
result[175] = 'u'; /* '\u016F' ? */
result[176] = 'U'; /* '\u0170' ? */
result[177] = 'u'; /* '\u0171' ? */
result[178] = 'U'; /* '\u0172' ? */
result[179] = 'u'; /* '\u0173' ? */
result[180] = 'W'; /* '\u0174' ? */
result[181] = 'w'; /* '\u0175' ? */
result[182] = 'Y'; /* '\u0176' ? */
result[183] = 'y'; /* '\u0177' ? */
result[184] = 'Y'; /* '\u0178' */
result[185] = 'Z'; /* '\u0179' ? */
result[186] = 'z'; /* '\u017A' ? */
result[187] = 'Z'; /* '\u017B' ? */
result[188] = 'z'; /* '\u017C' ? */
result[189] = 'Z'; /* '\u017D' */
result[190] = 'z'; /* '\u017E' */
result[191] = 'f'; /* '\u017F' ? */
return result;
}
/** Transforme une chaine de caractères selon differents critères (paramètre mode),
* @param chaine Chaine sur laquelle on veut effectuer une transformation
* @param mode Mode de transformation, plusieurs mode sont accessibles, ceux-ci peuvent être combiné
* - LOWER_CASE : Mise en minuscule
* - UPPER_CASE : Mise en majuscule
* - WITHOUT_ACCENTS : Remplace les caractères accentués par leur version sans accent
* La combinaision de mode se fait de la sorte LOWER_CASE | WITHOUT_ACCENTS
* @return Chain transformée
**/
public static java.lang.String transform(java.lang.String chaine , int mode)
{
if( mode == UPPER_CASE ) return chaine.toUpperCase();
if( mode == LOWER_CASE ) return chaine.toLowerCase();
int firstReplacement = scan( chaine, mode );
if( firstReplacement == -1 ) return chaine;
char[] result = chaine.toCharArray();
int offset = firstReplacement;
boolean toUpper = (mode & UPPER_CASE) > 0;
boolean toLower = (mode & LOWER_CASE) > 0;
boolean withoutAccents = (mode & WITHOUT_ACCENTS) > 0;
for(int bcl = firstReplacement ; bcl < chaine.length() ; bcl++ )
{
char c = result[bcl];
int type = Character.getType(c);
/** Remplacement
*/
char r = c;
/** isLetter()
*/
if( type == Character.UPPERCASE_LETTER || type == Character.LOWERCASE_LETTER
|| type == Character.TITLECASE_LETTER || type == Character.MODIFIER_LETTER
|| type == Character.OTHER_LETTER ) // || type == Character.OTHER_PUNCTUATION )
{
if( toUpper && (type == Character.LOWERCASE_LETTER || type == Character.OTHER_PUNCTUATION) )
{ r = Character.toUpperCase(c); }
else if( toLower && (type == Character.UPPERCASE_LETTER || type == Character.OTHER_PUNCTUATION ) )
r = Character.toLowerCase(c);
if( withoutAccents && r >= MIN && r <= MAX &&
( r != 198 && r != 230 && r != 306 && r != 307 && r != 339 && r != 340 ) )
{
r = map[ (int)r - MIN ];
}
}
result[offset] = r;
offset++;
}
String res = new String(result);
return new String(result,0,offset);
}
/** Donne l'index du 1er caractère donnant lieu a une transformation selon le mode donné
* @param chaine Chaine à tester
* @param mode Mode pilotant la future transformation de la chaine
* @return index du 1er caractère à transformer, -1 si aucun caractère n'est a transformer
*/
private static int scan(java.lang.String chaine , int mode)
{
/**
ALPHA_NUM
WITHOUT_SPECIALS_CHARS
LOWER_CASE
UPPER_CASE
WITHOUT_ACCENTS
*/
int computedMode = 0;
for(int bcl = 0 ; bcl < chaine.length() ; bcl++ )
{
char c = chaine.charAt(bcl);
int type = Character.getType(c);
/** isLetter()
*/
if( type == Character.UPPERCASE_LETTER || type == Character.LOWERCASE_LETTER
|| type == Character.TITLECASE_LETTER || type == Character.MODIFIER_LETTER
|| type == Character.OTHER_LETTER ) // || type == Character.OTHER_PUNCTUATION )
{
if( type == Character.LOWERCASE_LETTER ) computedMode = computedMode | UPPER_CASE;
else if( type == Character.UPPERCASE_LETTER ) computedMode = computedMode | LOWER_CASE;
if( c >= MIN && c <= MAX )
{ computedMode = computedMode | WITHOUT_ACCENTS; }
}
if( ( computedMode & mode ) > 0 )
return bcl;
}
return -1;
}
/** Transforme une chaine pouvant contenir des accents dans une version sans accent
* @param chaine Chaine a convertir sans accent
* @return Chaine dont les accents ont été supprimé
**/
public static java.lang.String sansAccents(java.lang.String chaine)
{ return transform(chaine, WITHOUT_ACCENTS ); }
} |
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