1 import java.util.Hashtable;
2 import java.util.Enumeration;
3 public class DecoratedStr {
4 protected static Hashtable<Character,String> char_to_alternatives_lower = new Hashtable<Character,String>();
5 protected static Hashtable<Character,String> char_to_alternatives = new Hashtable<Character,String>();
6 protected static Hashtable<Character,Character> alternative_to_char = new Hashtable<Character,Character>();
7 protected static Hashtable<Character,String> ligatures_expansions_lower = new Hashtable<Character,String>();
8 protected static Hashtable<Character,String> ligatures_expansions = new Hashtable<Character,String>();
9 protected static Hashtable<String,Character> ligatures_contractions = new Hashtable<String,Character>();
11 public static void init() {
12 char_to_alternatives_lower.put('a', "àáâãäåāăą");
13 char_to_alternatives_lower.put('c', "çćĉċč");
14 char_to_alternatives_lower.put('d', "ďđ");
15 char_to_alternatives_lower.put('e', "èéêëēĕėęě");
16 char_to_alternatives_lower.put('g', "ĝğġģ");
17 char_to_alternatives_lower.put('h', "ĥħ");
18 char_to_alternatives_lower.put('i', "ìíîïĩīĭįı");
19 char_to_alternatives_lower.put('j', "ĵ");
20 char_to_alternatives_lower.put('k', "ķ");
21 char_to_alternatives_lower.put('l', "ĺļľŀł");
22 char_to_alternatives_lower.put('n', "ñńņňʼnŋ");
23 char_to_alternatives_lower.put('o', "òóôöøōŏő");
24 char_to_alternatives_lower.put('r', "ŕŗř");
25 char_to_alternatives_lower.put('s', "śŝşš");
26 char_to_alternatives_lower.put('t', "ţťŧ");
27 char_to_alternatives_lower.put('u', "ùúûüũūŭůűų");
28 char_to_alternatives_lower.put('w', "ŵ");
29 char_to_alternatives_lower.put('y', "ýÿŷ");
30 char_to_alternatives_lower.put('z', "źżž");
32 Enumeration<Character> e = char_to_alternatives_lower.keys();
33 while (e.hasMoreElements()) {
34 Character k = e.nextElement();
35 String v = char_to_alternatives_lower.get(k);
36 char_to_alternatives.put(k, v);
37 char_to_alternatives.put(Character.toUpperCase(k), v.toUpperCase());
38 //System.out.println(Character.toUpperCase(k));
39 //System.out.println(v.toUpperCase());
41 char_to_alternatives.put('I', "İ");
43 e = char_to_alternatives.keys();
44 while (e.hasMoreElements()) {
45 Character k = e.nextElement();
46 String v = char_to_alternatives.get(k);
47 for (int i=v.length()-1; i>=0; --i) {
49 //System.out.println(k);
50 //System.out.println(a);
51 alternative_to_char.put(a, k);
55 ligatures_expansions_lower.put('æ', "ae");
56 //ligatures_expansions_lower.put('ij', "ij"); buggy: see http://en.wikipedia.org/wiki/Typographic_ligature
57 ligatures_expansions_lower.put('œ', "oe");
58 e = ligatures_expansions_lower.keys();
59 while (e.hasMoreElements()) {
60 Character k = e.nextElement();
61 String v = ligatures_expansions_lower.get(k);
62 ligatures_expansions.put(k, v);
63 ligatures_contractions.put(v, k);
64 String uv = Character.toUpperCase(v.charAt(0)) + v.substring(1);
65 ligatures_expansions.put(Character.toUpperCase(k), uv);
66 ligatures_contractions.put(uv, Character.toUpperCase(k));
70 public static String remove_decoration(String txt) {
72 int len = txt.length();
76 for (int i=0; i<len; ++i) {
78 al = alternative_to_char.get(l);
81 le = ligatures_expansions.get(l);
90 public static String decorated_match_single_char(char c, boolean case_sensitive) {
92 c = Character.toLowerCase(c);
93 String result = "" + c;
94 String sa = char_to_alternatives.get(c);
97 if (!case_sensitive) {
98 String ur = result.toUpperCase();
99 if (result.compareTo(ur) != 0)
102 if (result.length() > 1)
103 return "[" + result + "]";
109 public static String decorated_match(String txt, boolean case_sensitive) {
111 txt = remove_decoration(txt);
113 txt = txt.toLowerCase();
114 int len = txt.length();
115 for (int i=0; i<len; ++i) {
116 char c1 = txt.charAt(i);
117 String c12 = "" + c1;
119 c12 += txt.charAt(i+1);
120 Character lc = ligatures_contractions.get(c12);
124 result += "|" + Character.toUpperCase(lc);
126 + decorated_match_single_char(c12.charAt(0), case_sensitive)
127 + decorated_match_single_char(c12.charAt(1), case_sensitive)
133 result += decorated_match_single_char(c1, case_sensitive);
138 public static void main(String argv[]) {
141 System.out.println(in);
142 System.out.println(remove_decoration(in));
143 System.out.println(decorated_match_single_char('m', true));
144 System.out.println(decorated_match_single_char('m', false));
145 System.out.println(decorated_match_single_char('h', true));
146 System.out.println(decorated_match_single_char('h', false));
147 System.out.println(decorated_match(in, true));
148 System.out.println(decorated_match(in, false));