Latin6Writer


1   /* Copyright 2002, 2003 Elliotte Rusty Harold
2      
3      This library is free software; you can redistribute it and/or modify
4      it under the terms of version 2.1 of the GNU Lesser General Public 
5      License as published by the Free Software Foundation.
6      
7      This library is distributed in the hope that it will be useful,
8      but WITHOUT ANY WARRANTY; without even the implied warranty of
9      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
10     GNU Lesser General Public License for more details.
11     
12     You should have received a copy of the GNU Lesser General Public
13     License along with this library; if not, write to the 
14     Free Software Foundation, Inc., 59 Temple Place, Suite 330, 
15     Boston, MA 02111-1307  USA
16     
17     You can contact Elliotte Rusty Harold by sending e-mail to
18     elharo@metalab.unc.edu. Please include the word "XOM" in the
19     subject line. The XOM home page is located at http://www.xom.nu/
20  */
21  
22  package nu.xom;
23  
24  import java.io.Writer  ;
25  
26  /**
27   * <p>
28   *   ISO-8859-10, for Lithuanian, Estonian, Greenlandic, Icelandic,
29   *   Inuit, Lappish, and other Northern European languages.
30   * </p>
31   *
32   * @author Elliotte Rusty Harold
33   * @version 1.0
34   *
35   */
36  class Latin6Writer extends TextWriter {
37  
38      Latin6Writer(Writer   out, String   encoding) {
39          super(out, encoding);
40      }
41  
42      /**
43       * @see nu.xom.TextWriter#needsEscaping(char)
44       */
45      boolean needsEscaping(char c) {
46          if (c <= 0xA0) return false;        
47          switch (c) {
48              case 0x00A1: return true;  // place holder to enable table lookup
49              case 0x00A2: return true;  // place holder to enable table lookup
50              case 0x00A3: return true;  // place holder to enable table lookup
51              case 0x00A4: return true;  // place holder to enable table lookup
52              case 0x00A5: return true;  // place holder to enable table lookup
53              case 0x00A6: return true;  // place holder to enable table lookup
54              case 0x00A7: return false; // SECTION SIGN
55              case 0x00A8: return true;  // place holder to enable table lookup
56              case 0x00A9: return true;  // place holder to enable table lookup
57              case 0x00AA: return true;  // place holder to enable table lookup
58              case 0x00AB: return true;  // place holder to enable table lookup
59              case 0x00AC: return true;  // place holder to enable table lookup
60              case 0x00AD: return false; // SOFT HYPHEN
61              case 0x00AE: return true;  // place holder to enable table lookup
62              case 0x00AF: return true;  // place holder to enable table lookup
63              case 0x00B0: return false; // DEGREE SIGN
64              case 0x00B1: return true;  // place holder to enable table lookup
65              case 0x00B2: return true;  // place holder to enable table lookup
66              case 0x00B3: return true;  // place holder to enable table lookup
67              case 0x00B4: return true;  // place holder to enable table lookup
68              case 0x00B5: return true;  // place holder to enable table lookup
69              case 0x00B6: return true;  // place holder to enable table lookup
70              case 0x00B7: return false; // MIDDLE DOT
71              case 0x00B8: return true;  // place holder to enable table lookup
72              case 0x00B9: return true;  // place holder to enable table lookup
73              case 0x00BA: return true;  // place holder to enable table lookup
74              case 0x00BB: return true;  // place holder to enable table lookup
75              case 0x00BC: return true;  // place holder to enable table lookup
76              case 0x00BD: return true;  // place holder to enable table lookup
77              case 0x00BE: return true;  // place holder to enable table lookup
78              case 0x00BF: return true;  // place holder to enable table lookup
79              case 0x00C0: return true;  // place holder to enable table lookup
80              case 0x00C1: return false; // LATIN CAPITAL LETTER A WITH ACUTE
81              case 0x00C2: return false; // LATIN CAPITAL LETTER A WITH CIRCUMFLEX
82              case 0x00C3: return false; // LATIN CAPITAL LETTER A WITH TILDE
83              case 0x00C4: return false; // LATIN CAPITAL LETTER A WITH DIAERESIS
84              case 0x00C5: return false; // LATIN CAPITAL LETTER A WITH RING ABOVE
85              case 0x00C6: return false; // LATIN CAPITAL LETTER AE
86              case 0x00C7: return true;  // place holder to enable table lookup
87              case 0x00C8: return true;  // place holder to enable table lookup
88              case 0x00C9: return false; // LATIN CAPITAL LETTER E WITH ACUTE
89              case 0x00CA: return true;  // place holder to enable table lookup
90              case 0x00CB: return false; // LATIN CAPITAL LETTER E WITH DIAERESIS
91              case 0x00CC: return true;  // place holder to enable table lookup
92              case 0x00CD: return false; // LATIN CAPITAL LETTER I WITH ACUTE
93              case 0x00CE: return false; // LATIN CAPITAL LETTER I WITH CIRCUMFLEX
94              case 0x00CF: return false; // LATIN CAPITAL LETTER I WITH DIAERESIS
95              case 0x00D0: return false; // LATIN CAPITAL LETTER ETH (Icelandic)
96              case 0x00D1: return true;  // place holder to enable table lookup
97              case 0x00D2: return true;  // place holder to enable table lookup
98              case 0x00D3: return false; // LATIN CAPITAL LETTER O WITH ACUTE
99              case 0x00D4: return false; // LATIN CAPITAL LETTER O WITH CIRCUMFLEX
100             case 0x00D5: return false; // LATIN CAPITAL LETTER O WITH TILDE
101             case 0x00D6: return false; // LATIN CAPITAL LETTER O WITH DIAERESIS
102             case 0x00D7: return true;  // place holder to enable table lookup
103             case 0x00D8: return false; // LATIN CAPITAL LETTER O WITH STROKE
104             case 0x00D9: return true;  // place holder to enable table lookup
105             case 0x00DA: return false; // LATIN CAPITAL LETTER U WITH ACUTE
106             case 0x00DB: return false; // LATIN CAPITAL LETTER U WITH CIRCUMFLEX
107             case 0x00DC: return false; // LATIN CAPITAL LETTER U WITH DIAERESIS
108             case 0x00DD: return false; // LATIN CAPITAL LETTER Y WITH ACUTE
109             case 0x00DE: return false; // LATIN CAPITAL LETTER THORN (Icelandic)
110             case 0x00DF: return false; // LATIN SMALL LETTER SHARP S (German)
111             case 0x00E0: return true;  // place holder to enable table lookup
112             case 0x00E1: return false; // LATIN SMALL LETTER A WITH ACUTE
113             case 0x00E2: return false; // LATIN SMALL LETTER A WITH CIRCUMFLEX
114             case 0x00E3: return false; // LATIN SMALL LETTER A WITH TILDE
115             case 0x00E4: return false; // LATIN SMALL LETTER A WITH DIAERESIS
116             case 0x00E5: return false; // LATIN SMALL LETTER A WITH RING ABOVE
117             case 0x00E6: return false; // LATIN SMALL LETTER AE
118             case 0x00E7: return true;  // place holder to enable table lookup
119             case 0x00E8: return true;  // place holder to enable table lookup
120             case 0x00E9: return false; // LATIN SMALL LETTER E WITH ACUTE
121             case 0x00EA: return true;  // place holder to enable table lookup
122             case 0x00EB: return false; // LATIN SMALL LETTER E WITH DIAERESIS
123             case 0x00EC: return true;  // place holder to enable table lookup
124             case 0x00ED: return false; // LATIN SMALL LETTER I WITH ACUTE
125             case 0x00EE: return false; // LATIN SMALL LETTER I WITH CIRCUMFLEX
126             case 0x00EF: return false; // LATIN SMALL LETTER I WITH DIAERESIS
127             case 0x00F0: return false; // LATIN SMALL LETTER ETH (Icelandic)
128             case 0x00F1: return true;  // place holder to enable table lookup
129             case 0x00F2: return true;  // place holder to enable table lookup
130             case 0x00F3: return false; // LATIN SMALL LETTER O WITH ACUTE
131             case 0x00F4: return false; // LATIN SMALL LETTER O WITH CIRCUMFLEX
132             case 0x00F5: return false; // LATIN SMALL LETTER O WITH TILDE
133             case 0x00F6: return false; // LATIN SMALL LETTER O WITH DIAERESIS
134             case 0x00F7: return true;  // place holder to enable table lookup
135             case 0x00F8: return false; // LATIN SMALL LETTER O WITH STROKE
136             case 0x00F9: return true;  // place holder to enable table lookup
137             case 0x00FA: return false; // LATIN SMALL LETTER U WITH ACUTE
138             case 0x00FB: return false; // LATIN SMALL LETTER U WITH CIRCUMFLEX
139             case 0x00FC: return false; // LATIN SMALL LETTER U WITH DIAERESIS
140             case 0x00FD: return false; // LATIN SMALL LETTER Y WITH ACUTE
141             case 0x00FE: return false; // LATIN SMALL LETTER THORN (Icelandic)
142             case 0x00FF: return true;  // place holder to enable table lookup
143             case 0x0100: return false; // LATIN CAPITAL LETTER A WITH MACRON
144             case 0x0101: return false; // LATIN SMALL LETTER A WITH MACRON
145             case 0x0102: return true;  // place holder to enable table lookup
146             case 0x0103: return true;  // place holder to enable table lookup
147             case 0x0104: return false; // LATIN CAPITAL LETTER A WITH OGONEK
148             case 0x0105: return false; // LATIN SMALL LETTER A WITH OGONEK
149             case 0x0106: return true;  // place holder to enable table lookup
150             case 0x0107: return true;  // place holder to enable table lookup
151             case 0x0108: return true;  // place holder to enable table lookup
152             case 0x0109: return true;  // place holder to enable table lookup
153             case 0x010A: return true;  // place holder to enable table lookup
154             case 0x010B: return true;  // place holder to enable table lookup
155             case 0x010C: return false; // LATIN CAPITAL LETTER C WITH CARON
156             case 0x010D: return false; // LATIN SMALL LETTER C WITH CARON
157             case 0x010E: return true;  // place holder to enable table lookup
158             case 0x010F: return true;  // place holder to enable table lookup
159             case 0x0110: return false; // LATIN CAPITAL LETTER D WITH STROKE
160             case 0x0111: return false; // LATIN SMALL LETTER D WITH STROKE
161             case 0x0112: return false; // LATIN CAPITAL LETTER E WITH MACRON
162             case 0x0113: return false; // LATIN SMALL LETTER E WITH MACRON
163             case 0x0114: return true;  // place holder to enable table lookup
164             case 0x0115: return true;  // place holder to enable table lookup
165             case 0x0116: return false; // LATIN CAPITAL LETTER E WITH DOT ABOVE
166             case 0x0117: return false; // LATIN SMALL LETTER E WITH DOT ABOVE
167             case 0x0118: return false; // LATIN CAPITAL LETTER E WITH OGONEK
168             case 0x0119: return false; // LATIN SMALL LETTER E WITH OGONEK
169             case 0x011A: return true;  // place holder to enable table lookup
170             case 0x011B: return true;  // place holder to enable table lookup
171             case 0x011C: return true;  // place holder to enable table lookup
172             case 0x011D: return true;  // place holder to enable table lookup
173             case 0x011E: return true;  // place holder to enable table lookup
174             case 0x011F: return true;  // place holder to enable table lookup
175             case 0x0120: return true;  // place holder to enable table lookup
176             case 0x0121: return true;  // place holder to enable table lookup
177             case 0x0122: return false; // LATIN CAPITAL LETTER G WITH CEDILLA
178             case 0x0123: return false; // LATIN SMALL LETTER G WITH CEDILLA
179             case 0x0124: return true;  // place holder to enable table lookup
180             case 0x0125: return true;  // place holder to enable table lookup
181             case 0x0126: return true;  // place holder to enable table lookup
182             case 0x0127: return true;  // place holder to enable table lookup
183             case 0x0128: return false; // LATIN CAPITAL LETTER I WITH TILDE
184             case 0x0129: return false; // LATIN SMALL LETTER I WITH TILDE
185             case 0x012A: return false; // LATIN CAPITAL LETTER I WITH MACRON
186             case 0x012B: return false; // LATIN SMALL LETTER I WITH MACRON
187             case 0x012C: return true;  // place holder to enable table lookup
188             case 0x012D: return true;  // place holder to enable table lookup
189             case 0x012E: return false; // LATIN CAPITAL LETTER I WITH OGONEK
190             case 0x012F: return false; // LATIN SMALL LETTER I WITH OGONEK
191             case 0x0130: return true;  // place holder to enable table lookup
192             case 0x0131: return true;  // place holder to enable table lookup
193             case 0x0132: return true;  // place holder to enable table lookup
194             case 0x0133: return true;  // place holder to enable table lookup
195             case 0x0134: return true;  // place holder to enable table lookup
196             case 0x0135: return true;  // place holder to enable table lookup
197             case 0x0136: return false; // LATIN CAPITAL LETTER K WITH CEDILLA
198             case 0x0137: return false; // LATIN SMALL LETTER K WITH CEDILLA
199             case 0x0138: return false; // LATIN SMALL LETTER KRA
200             case 0x0139: return true;  // place holder to enable table lookup
201             case 0x013A: return true;  // place holder to enable table lookup
202             case 0x013B: return false; // LATIN CAPITAL LETTER L WITH CEDILLA
203             case 0x013C: return false; // LATIN SMALL LETTER L WITH CEDILLA
204             case 0x013D: return true;  // place holder to enable table lookup
205             case 0x013E: return true;  // place holder to enable table lookup
206             case 0x013F: return true;  // place holder to enable table lookup
207             case 0x0140: return true;  // place holder to enable table lookup
208             case 0x0141: return true;  // place holder to enable table lookup
209             case 0x0142: return true;  // place holder to enable table lookup
210             case 0x0143: return true;  // place holder to enable table lookup
211             case 0x0144: return true;  // place holder to enable table lookup
212             case 0x0145: return false; // LATIN CAPITAL LETTER N WITH CEDILLA
213             case 0x0146: return false; // LATIN SMALL LETTER N WITH CEDILLA
214             case 0x0147: return true;  // place holder to enable table lookup
215             case 0x0148: return true;  // place holder to enable table lookup
216             case 0x0149: return true;  // place holder to enable table lookup
217             case 0x014A: return false; // LATIN CAPITAL LETTER ENG
218             case 0x014B: return false; // LATIN SMALL LETTER ENG
219             case 0x014C: return false; // LATIN CAPITAL LETTER O WITH MACRON
220             case 0x014D: return false; // LATIN SMALL LETTER O WITH MACRON
221             case 0x014E: return true;  // place holder to enable table lookup
222             case 0x014F: return true;  // place holder to enable table lookup
223             case 0x0150: return true;  // place holder to enable table lookup
224             case 0x0151: return true;  // place holder to enable table lookup
225             case 0x0152: return true;  // place holder to enable table lookup
226             case 0x0153: return true;  // place holder to enable table lookup
227             case 0x0154: return true;  // place holder to enable table lookup
228             case 0x0155: return true;  // place holder to enable table lookup
229             case 0x0156: return true;  // place holder to enable table lookup
230             case 0x0157: return true;  // place holder to enable table lookup
231             case 0x0158: return true;  // place holder to enable table lookup
232             case 0x0159: return true;  // place holder to enable table lookup
233             case 0x015A: return true;  // place holder to enable table lookup
234             case 0x015B: return true;  // place holder to enable table lookup
235             case 0x015C: return true;  // place holder to enable table lookup
236             case 0x015D: return true;  // place holder to enable table lookup
237             case 0x015E: return true;  // place holder to enable table lookup
238             case 0x015F: return true;  // place holder to enable table lookup
239             case 0x0160: return false; // LATIN CAPITAL LETTER S WITH CARON
240             case 0x0161: return false; // LATIN SMALL LETTER S WITH CARON
241             case 0x0162: return true;  // place holder to enable table lookup
242             case 0x0163: return true;  // place holder to enable table lookup
243             case 0x0164: return true;  // place holder to enable table lookup
244             case 0x0165: return true;  // place holder to enable table lookup
245             case 0x0166: return false; // LATIN CAPITAL LETTER T WITH STROKE
246             case 0x0167: return false; // LATIN SMALL LETTER T WITH STROKE
247             case 0x0168: return false; // LATIN CAPITAL LETTER U WITH TILDE
248             case 0x0169: return false; // LATIN SMALL LETTER U WITH TILDE
249             case 0x016A: return false; // LATIN CAPITAL LETTER U WITH MACRON
250             case 0x016B: return false; // LATIN SMALL LETTER U WITH MACRON
251             case 0x016C: return true;  // place holder to enable table lookup
252             case 0x016D: return true;  // place holder to enable table lookup
253             case 0x016E: return true;  // place holder to enable table lookup
254             case 0x016F: return true;  // place holder to enable table lookup
255             case 0x0170: return true;  // place holder to enable table lookup
256             case 0x0171: return true;  // place holder to enable table lookup
257             case 0x0172: return false; // LATIN CAPITAL LETTER U WITH OGONEK
258             case 0x0173: return false; // LATIN SMALL LETTER U WITH OGONEK
259             case 0x0174: return true;  // place holder to enable table lookup
260             case 0x0175: return true;  // place holder to enable table lookup
261             case 0x0176: return true;  // place holder to enable table lookup
262             case 0x0177: return true;  // place holder to enable table lookup
263             case 0x0178: return true;  // place holder to enable table lookup
264             case 0x0179: return true;  // place holder to enable table lookup
265             case 0x017A: return true;  // place holder to enable table lookup
266             case 0x017B: return true;  // place holder to enable table lookup
267             case 0x017C: return true;  // place holder to enable table lookup
268             case 0x017D: return false; // LATIN CAPITAL LETTER Z WITH CARON
269             case 0x017E: return false; // LATIN SMALL LETTER Z WITH CARON
270         }
271         
272         if (c == 0x2015) return false; // HORIZONTAL BAR
273         
274         return true;
275         
276     }
277 
278 }
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