Latin10Writer


1   /* Copyright 2002-2004 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   * 
28   * <p>
29   *   ISO 8859-16, Romanian. Not yet supported by Sun's JDK as of 1.5 
30   *   alpha. IBM's 1.4.1 JDK does support it.
31   * </p>
32   * 
33   * @author Elliotte Rusty Harold
34   * @version 1.0
35   * 
36   */
37  class Latin10Writer extends TextWriter {
38  
39      
40      Latin10Writer(Writer   out, String   encoding) {
41          super(out, encoding);
42      }
43  
44      
45      /**
46       * @see nu.xom.TextWriter#needsEscaping(char)
47       */
48      boolean needsEscaping(char c) {
49          if (c <= 0xA0) return false; 
50          switch (c) {
51              case 0x00A7: return false; // SECTION SIGN
52              case 0x00A8: return true;  // place holder to allow optimization of switch statement
53              case 0x00A9: return false; // COPYRIGHT SIGN
54              case 0x00AA: return true;  // place holder to allow optimization of switch statement
55              case 0x00AB: return false; // LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
56              case 0x00AC: return true;  // place holder to allow optimization of switch statement
57              case 0x00AD: return false; // SOFT HYPHEN
58              case 0x00AE: return true;  // place holder to allow optimization of switch statement
59              case 0x00AF: return true;  // place holder to allow optimization of switch statement
60              case 0x00B0: return false; // DEGREE SIGN
61              case 0x00B1: return false; // PLUS-MINUS SIGN
62              case 0x00B2: return true;  // place holder to allow optimization of switch statement
63              case 0x00B3: return true;  // place holder to allow optimization of switch statement
64              case 0x00B4: return true;  // place holder to allow optimization of switch statement
65              case 0x00B5: return true;  // place holder to allow optimization of switch statement
66              case 0x00B6: return false; // PILCROW SIGN
67              case 0x00B7: return false; // MIDDLE DOT
68              case 0x00B8: return true;  // place holder to allow optimization of switch statement
69              case 0x00B9: return true;  // place holder to allow optimization of switch statement
70              case 0x00BA: return true;  // place holder to allow optimization of switch statement
71              case 0x00BB: return false; // RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
72              case 0x00BC: return true;  // place holder to allow optimization of switch statement
73              case 0x00BD: return true;  // place holder to allow optimization of switch statement
74              case 0x00BE: return true;  // place holder to allow optimization of switch statement
75              case 0x00BF: return true;  // place holder to allow optimization of switch statement
76              case 0x00C0: return false; // LATIN CAPITAL LETTER A WITH GRAVE
77              case 0x00C1: return false; // LATIN CAPITAL LETTER A WITH ACUTE
78              case 0x00C2: return false; // LATIN CAPITAL LETTER A WITH CIRCUMFLEX
79              case 0x00C3: return true;  // place holder to allow optimization of switch statement
80              case 0x00C4: return false; // LATIN CAPITAL LETTER A WITH DIAERESIS
81              case 0x00C5: return true;  // place holder to allow optimization of switch statement
82              case 0x00C6: return false; // LATIN CAPITAL LETTER AE
83              case 0x00C7: return false; // LATIN CAPITAL LETTER C WITH CEDILLA
84              case 0x00C8: return false; // LATIN CAPITAL LETTER E WITH GRAVE
85              case 0x00C9: return false; // LATIN CAPITAL LETTER E WITH ACUTE
86              case 0x00CA: return false; // LATIN CAPITAL LETTER E WITH CIRCUMFLEX
87              case 0x00CB: return false; // LATIN CAPITAL LETTER E WITH DIAERESIS
88              case 0x00CC: return false; // LATIN CAPITAL LETTER I WITH GRAVE
89              case 0x00CD: return false; // LATIN CAPITAL LETTER I WITH ACUTE
90              case 0x00CE: return false; // LATIN CAPITAL LETTER I WITH CIRCUMFLEX
91              case 0x00CF: return false; // LATIN CAPITAL LETTER I WITH DIAERESIS
92              case 0x00D0: return true;  // place holder to allow optimization of switch statement
93              case 0x00D1: return true;  // place holder to allow optimization of switch statement
94              case 0x00D2: return false; // LATIN CAPITAL LETTER O WITH GRAVE
95              case 0x00D3: return false; // LATIN CAPITAL LETTER O WITH ACUTE
96              case 0x00D4: return false; // LATIN CAPITAL LETTER O WITH CIRCUMFLEX
97              case 0x00D5: return true;  // place holder to allow optimization of switch statement
98              case 0x00D6: return false; // LATIN CAPITAL LETTER O WITH DIAERESIS
99              case 0x00D7: return true;  // place holder to allow optimization of switch statement
100             case 0x00D8: return true;  // place holder to allow optimization of switch statement
101             case 0x00D9: return false; // LATIN CAPITAL LETTER U WITH GRAVE
102             case 0x00DA: return false; // LATIN CAPITAL LETTER U WITH ACUTE
103             case 0x00DB: return false; // LATIN CAPITAL LETTER U WITH CIRCUMFLEX
104             case 0x00DC: return false; // LATIN CAPITAL LETTER U WITH DIAERESIS
105             case 0x00DD: return true;  // place holder to allow optimization of switch statement
106             case 0x00DE: return true;  // place holder to allow optimization of switch statement
107             case 0x00DF: return false; // LATIN SMALL LETTER SHARP S
108             case 0x00E0: return false; // LATIN SMALL LETTER A WITH GRAVE
109             case 0x00E1: return false; // LATIN SMALL LETTER A WITH ACUTE
110             case 0x00E2: return false; // LATIN SMALL LETTER A WITH CIRCUMFLEX
111             case 0x00E3: return true;  // place holder to allow optimization of switch statement
112             case 0x00E4: return false; // LATIN SMALL LETTER A WITH DIAERESIS
113             case 0x00E5: return true;  // place holder to allow optimization of switch statement
114             case 0x00E6: return false; // LATIN SMALL LETTER AE
115             case 0x00E7: return false; // LATIN SMALL LETTER C WITH CEDILLA
116             case 0x00E8: return false; // LATIN SMALL LETTER E WITH GRAVE
117             case 0x00E9: return false; // LATIN SMALL LETTER E WITH ACUTE
118             case 0x00EA: return false; // LATIN SMALL LETTER E WITH CIRCUMFLEX
119             case 0x00EB: return false; // LATIN SMALL LETTER E WITH DIAERESIS
120             case 0x00EC: return false; // LATIN SMALL LETTER I WITH GRAVE
121             case 0x00ED: return false; // LATIN SMALL LETTER I WITH ACUTE
122             case 0x00EE: return false; // LATIN SMALL LETTER I WITH CIRCUMFLEX
123             case 0x00EF: return false; // LATIN SMALL LETTER I WITH DIAERESIS
124             case 0x00F0: return true;  // place holder to allow optimization of switch statement
125             case 0x00F1: return true;  // place holder to allow optimization of switch statement
126             case 0x00F2: return false; // LATIN SMALL LETTER O WITH GRAVE
127             case 0x00F3: return false; // LATIN SMALL LETTER O WITH ACUTE
128             case 0x00F4: return false; // LATIN SMALL LETTER O WITH CIRCUMFLEX
129             case 0x00F5: return true;  // place holder to allow optimization of switch statement
130             case 0x00F6: return false; // LATIN SMALL LETTER O WITH DIAERESIS
131             case 0x00F7: return true;  // place holder to allow optimization of switch statement
132             case 0x00F8: return true;  // place holder to allow optimization of switch statement
133             case 0x00F9: return false; // LATIN SMALL LETTER U WITH GRAVE
134             case 0x00FA: return false; // LATIN SMALL LETTER U WITH ACUTE
135             case 0x00FB: return false; // LATIN SMALL LETTER U WITH CIRCUMFLEX
136             case 0x00FC: return false; // LATIN SMALL LETTER U WITH DIAERESIS
137             case 0x00FD: return true;  // place holder to allow optimization of switch statement
138             case 0x00FE: return true;  // place holder to allow optimization of switch statement
139             case 0x00FF: return false; // LATIN SMALL LETTER Y WITH DIAERESIS
140             case 0x0100: return true;  // place holder to allow optimization of switch statement
141             case 0x0101: return true;  // place holder to allow optimization of switch statement
142             case 0x0102: return false; // LATIN CAPITAL LETTER A WITH BREVE
143             case 0x0103: return false; // LATIN SMALL LETTER A WITH BREVE
144             case 0x0104: return false; // LATIN CAPITAL LETTER A WITH OGONEK
145             case 0x0105: return false; // LATIN SMALL LETTER A WITH OGONEK
146             case 0x0106: return false; // LATIN CAPITAL LETTER C WITH ACUTE
147             case 0x0107: return false; // LATIN SMALL LETTER C WITH ACUTE
148             case 0x0108: return true;  // place holder to allow optimization of switch statement
149             case 0x0109: return true;  // place holder to allow optimization of switch statement
150             case 0x010A: return true;  // place holder to allow optimization of switch statement
151             case 0x010B: return true;  // place holder to allow optimization of switch statement
152             case 0x010C: return false; // LATIN CAPITAL LETTER C WITH CARON
153             case 0x010D: return false; // LATIN SMALL LETTER C WITH CARON
154             case 0x010E: return true;  // place holder to allow optimization of switch statement
155             case 0x010F: return true;  // place holder to allow optimization of switch statement
156             case 0x0110: return false; // LATIN CAPITAL LETTER D WITH STROKE
157             case 0x0111: return false; // LATIN SMALL LETTER D WITH STROKE
158             case 0x0112: return true;  // place holder to allow optimization of switch statement
159             case 0x0113: return true;  // place holder to allow optimization of switch statement
160             case 0x0114: return true;  // place holder to allow optimization of switch statement
161             case 0x0115: return true;  // place holder to allow optimization of switch statement
162             case 0x0116: return true;  // place holder to allow optimization of switch statement
163             case 0x0117: return true;  // place holder to allow optimization of switch statement
164             case 0x0118: return false; // LATIN CAPITAL LETTER E WITH OGONEK
165             case 0x0119: return false; // LATIN SMALL LETTER E WITH OGONEK
166             case 0x011A: return true;  // place holder to enable table lookup
167             case 0x011B: return true;  // place holder to enable table lookup
168             case 0x011C: return true;  // place holder to enable table lookup
169             case 0x011D: return true;  // place holder to enable table lookup
170             case 0x011E: return true;  // place holder to enable table lookup
171             case 0x011F: return true;  // place holder to enable table lookup
172             case 0x0120: return true;  // place holder to enable table lookup
173             case 0x0121: return true;  // place holder to enable table lookup
174             case 0x0122: return true;  // place holder to enable table lookup
175             case 0x0123: return true;  // place holder to enable table lookup
176             case 0x0124: return true;  // place holder to enable table lookup
177             case 0x0125: return true;  // place holder to enable table lookup
178             case 0x0126: return true;  // place holder to enable table lookup
179             case 0x0127: return true;  // place holder to enable table lookup
180             case 0x0128: return true;  // place holder to enable table lookup
181             case 0x0129: return true;  // place holder to enable table lookup
182             case 0x012A: return true;  // place holder to enable table lookup
183             case 0x012B: return true;  // place holder to enable table lookup
184             case 0x012C: return true;  // place holder to enable table lookup
185             case 0x012D: return true;  // place holder to enable table lookup
186             case 0x012E: return true;  // place holder to enable table lookup
187             case 0x012F: return true;  // place holder to enable table lookup
188             case 0x0130: return true;  // place holder to enable table lookup
189             case 0x0131: return true;  // place holder to enable table lookup
190             case 0x0132: return true;  // place holder to enable table lookup
191             case 0x0133: return true;  // place holder to enable table lookup
192             case 0x0134: return true;  // place holder to enable table lookup
193             case 0x0135: return true;  // place holder to enable table lookup
194             case 0x0136: return true;  // place holder to enable table lookup
195             case 0x0137: return true;  // place holder to enable table lookup
196             case 0x0138: return true;  // place holder to enable table lookup
197             case 0x0139: return true;  // place holder to enable table lookup
198             case 0x013A: return true;  // place holder to enable table lookup
199             case 0x013B: return true;  // place holder to enable table lookup
200             case 0x013C: return true;  // place holder to enable table lookup
201             case 0x013D: return true;  // place holder to enable table lookup
202             case 0x013E: return true;  // place holder to enable table lookup
203             case 0x013F: return true;  // place holder to enable table lookup
204             case 0x0140: return true;  // place holder to enable table lookup            
205             case 0x0141: return false; // LATIN CAPITAL LETTER L WITH STROKE
206             case 0x0142: return false; // LATIN SMALL LETTER L WITH STROKE
207             case 0x0143: return false; // LATIN CAPITAL LETTER N WITH ACUTE
208             case 0x0144: return false; // LATIN SMALL LETTER N WITH ACUTE
209             case 0x0145: return true;  // place holder to enable table lookup
210             case 0x0146: return true;  // place holder to enable table lookup
211             case 0x0147: return true;  // place holder to enable table lookup
212             case 0x0148: return true;  // place holder to enable table lookup
213             case 0x0149: return true;  // place holder to enable table lookup
214             case 0x014A: return true;  // place holder to enable table lookup
215             case 0x014B: return true;  // place holder to enable table lookup
216             case 0x014C: return true;  // place holder to enable table lookup
217             case 0x014D: return true;  // place holder to enable table lookup
218             case 0x014E: return true;  // place holder to enable table lookup
219             case 0x014F: return true;  // place holder to enable table lookup
220             case 0x0150: return false; // LATIN CAPITAL LETTER O WITH DOUBLE ACUTE
221             case 0x0151: return false; // LATIN SMALL LETTER O WITH DOUBLE ACUTE
222             case 0x0152: return false; // LATIN CAPITAL LIGATURE OE
223             case 0x0153: return false; // LATIN SMALL LIGATURE OE            
224             case 0x0154: return true;  // place holder to enable table lookup
225             case 0x0155: return true;  // place holder to enable table lookup
226             case 0x0156: return true;  // place holder to enable table lookup
227             case 0x0157: return true;  // place holder to enable table lookup
228             case 0x0158: return true;  // place holder to enable table lookup
229             case 0x0159: return true;  // place holder to enable table lookup
230             case 0x015A: return false; // LATIN CAPITAL LETTER S WITH ACUTE
231             case 0x015B: return false; // LATIN SMALL LETTER S WITH ACUTE
232             case 0x015C: return true;  // place holder to enable table lookup
233             case 0x015D: return true;  // place holder to enable table lookup
234             case 0x015E: return true;  // place holder to enable table lookup
235             case 0x015F: return true;  // place holder to enable table lookup
236             case 0x0160: return false; // LATIN CAPITAL LETTER S WITH CARON
237             case 0x0161: return false; // LATIN SMALL LETTER S WITH CARON
238             case 0x0162: return true;  // place holder to enable table lookup
239             case 0x0163: return true;  // place holder to enable table lookup
240             case 0x0164: return true;  // place holder to enable table lookup
241             case 0x0165: return true;  // place holder to enable table lookup
242             case 0x0166: return true;  // place holder to enable table lookup
243             case 0x0167: return true;  // place holder to enable table lookup
244             case 0x0168: return true;  // place holder to enable table lookup
245             case 0x0169: return true;  // place holder to enable table lookup
246             case 0x016A: return true;  // place holder to enable table lookup
247             case 0x016B: return true;  // place holder to enable table lookup
248             case 0x016C: return true;  // place holder to enable table lookup
249             case 0x016D: return true;  // place holder to enable table lookup
250             case 0x016E: return true;  // place holder to enable table lookup
251             case 0x016F: return true;  // place holder to enable table lookup
252             case 0x0170: return false; // LATIN CAPITAL LETTER U WITH DOUBLE ACUTE
253             case 0x0171: return false; // LATIN SMALL LETTER U WITH DOUBLE ACUTE
254             case 0x0172: return true;  // place holder to enable table lookup
255             case 0x0173: return true;  // place holder to enable table lookup
256             case 0x0174: return true;  // place holder to enable table lookup
257             case 0x0175: return true;  // place holder to enable table lookup
258             case 0x0176: return true;  // place holder to enable table lookup
259             case 0x0177: return true;  // place holder to enable table lookup            
260             case 0x0178: return false; // LATIN CAPITAL LETTER Y WITH DIAERESIS
261             case 0x0179: return false; // LATIN CAPITAL LETTER Z WITH ACUTE
262             case 0x017A: return false; // LATIN SMALL LETTER Z WITH ACUTE
263             case 0x017B: return false; // LATIN CAPITAL LETTER Z WITH DOT ABOVE
264             case 0x017C: return false; // LATIN SMALL LETTER Z WITH DOT ABOVE
265             case 0x017D: return false; // LATIN CAPITAL LETTER Z WITH CARON
266             case 0x017E: return false; // LATIN SMALL LETTER Z WITH CARON
267         }
268         switch (c) {   
269             case 0x0218: return false; // LATIN CAPITAL LETTER S WITH COMMA BELOW
270             case 0x0219: return false; // LATIN SMALL LETTER S WITH COMMA BELOW
271             case 0x021A: return false; // LATIN CAPITAL LETTER T WITH COMMA BELOW
272             case 0x021B: return false; // LATIN SMALL LETTER T WITH COMMA BELOW
273             case 0x021C: return true;  // place holder to enable table lookup            
274             case 0x201D: return false; // RIGHT DOUBLE QUOTATION MARK
275             case 0x201E: return false; // DOUBLE LOW-9 QUOTATION MARK
276         }
277         if (c == 0x20AC) return false; // EURO SIGN
278         return true;
279         
280     }
281 
282     
283 }
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