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Java > Open Source Codes > nu > xom > Latin7Writer


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 JavaDoc;
25
26 /**
27  * <p>
28  * ISO-8859-13, for Latvian and other Baltic languages.
29  * </p>
30  *
31  * @author Elliotte Rusty Harold
32  * @version 1.0
33  *
34  */

35 class Latin7Writer extends TextWriter {
36
37     Latin7Writer(Writer JavaDoc out, String JavaDoc encoding) {
38         super(out, encoding);
39     }
40
41     /**
42      * @see nu.xom.TextWriter#needsEscaping(char)
43      */

44     boolean needsEscaping(char c) {
45         if (c <= 0xA0) return false;
46         switch (c) { // Latin-1 overlap
47
case 0x00A1: return true; // place holder to enable table lookup
48
case 0x00A2: return false; // CENT SIGN
49
case 0x00A3: return false; // POUND SIGN
50
case 0x00A4: return false; // CURRENCY SIGN
51
case 0x00A5: return true; // place holder to enable table lookup
52
case 0x00A6: return false; // BROKEN BAR
53
case 0x00A7: return false; // SECTION SIGN
54
case 0x00A8: return true; // place holder to enable table lookup
55
case 0x00A9: return false; // COPYRIGHT SIGN
56
case 0x00AA: return true; // place holder to enable table lookup
57
case 0x00AB: return false; // LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
58
case 0x00AC: return false; // NOT SIGN
59
case 0x00AD: return false; // SOFT HYPHEN
60
case 0x00AE: return false; // REGISTERED SIGN
61
case 0x00AF: return true; // place holder to enable table lookup
62
case 0x00B0: return false; // DEGREE SIGN
63
case 0x00B1: return false; // PLUS-MINUS SIGN
64
case 0x00B2: return false; // SUPERSCRIPT TWO
65
case 0x00B3: return false; // SUPERSCRIPT THREE
66
case 0x00B4: return true; // place holder to enable table lookup
67
case 0x00B5: return false; // MICRO SIGN
68
case 0x00B6: return false; // PILCROW SIGN
69
case 0x00B7: return false; // MIDDLE DOT
70
case 0x00B8: return true; // place holder to enable table lookup
71
case 0x00B9: return false; // SUPERSCRIPT ONE
72
case 0x00BA: return true; // place holder to enable table lookup
73
case 0x00BB: return false; // RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
74
case 0x00BC: return false; // VULGAR FRACTION ONE QUARTER
75
case 0x00BD: return false; // VULGAR FRACTION ONE HALF
76
case 0x00BE: return false; // VULGAR FRACTION THREE QUARTERS
77
case 0x00BF: return true; // place holder to enable table lookup
78
case 0x00C0: return true; // place holder to enable table lookup
79
case 0x00C1: return true; // place holder to enable table lookup
80
case 0x00C2: return true; // place holder to enable table lookup
81
case 0x00C3: return true; // place holder to enable table lookup
82
case 0x00C4: return false; // LATIN CAPITAL LETTER A WITH DIAERESIS
83
case 0x00C5: return false; // LATIN CAPITAL LETTER A WITH RING ABOVE
84
case 0x00C6: return false; // LATIN CAPITAL LETTER AE
85
case 0x00C7: return true; // place holder to enable table lookup
86
case 0x00C8: return true; // place holder to enable table lookup
87
case 0x00C9: return false; // LATIN CAPITAL LETTER E WITH ACUTE
88
case 0x00CA: return true; // place holder to enable table lookup
89
case 0x00CB: return true; // place holder to enable table lookup
90
case 0x00CC: return true; // place holder to enable table lookup
91
case 0x00CD: return true; // place holder to enable table lookup
92
case 0x00CE: return true; // place holder to enable table lookup
93
case 0x00CF: return true; // place holder to enable table lookup
94
case 0x00D0: return true; // place holder to enable table lookup
95
case 0x00D1: return true; // place holder to enable table lookup
96
case 0x00D2: return true; // place holder to enable table lookup
97
case 0x00D3: return false; // LATIN CAPITAL LETTER O WITH ACUTE
98
case 0x00D4: return true; // place holder to enable table lookup
99
case 0x00D5: return false; // LATIN CAPITAL LETTER O WITH TILDE
100
case 0x00D6: return false; // LATIN CAPITAL LETTER O WITH DIAERESIS
101
case 0x00D7: return false; // MULTIPLICATION SIGN
102
case 0x00D8: return false; // LATIN CAPITAL LETTER O WITH STROKE
103
case 0x00D9: return true; // place holder to enable table lookup
104
case 0x00DA: return true; // place holder to enable table lookup
105
case 0x00DB: return true; // place holder to enable table lookup
106
case 0x00DC: return false; // LATIN CAPITAL LETTER U WITH DIAERESIS
107
case 0x00DD: return true; // place holder to enable table lookup
108
case 0x00DE: return true; // place holder to enable table lookup
109
case 0x00DF: return false; // LATIN SMALL LETTER SHARP S (German)
110
case 0x00E0: return true; // place holder to enable table lookup
111
case 0x00E1: return true; // place holder to enable table lookup
112
case 0x00E2: return true; // place holder to enable table lookup
113
case 0x00E3: return true; // place holder to enable table lookup
114
case 0x00E4: return false; // LATIN SMALL LETTER A WITH DIAERESIS
115
case 0x00E5: return false; // LATIN SMALL LETTER A WITH RING ABOVE
116
case 0x00E6: return false; // LATIN SMALL LETTER AE
117
case 0x00E7: return true; // place holder to enable table lookup
118
case 0x00E8: return true; // place holder to enable table lookup
119
case 0x00E9: return false; // LATIN SMALL LETTER E WITH ACUTE
120
case 0x00EA: return true; // place holder to enable table lookup
121
case 0x00EB: return true; // place holder to enable table lookup
122
case 0x00EC: return true; // place holder to enable table lookup
123
case 0x00ED: return true; // place holder to enable table lookup
124
case 0x00EE: return true; // place holder to enable table lookup
125
case 0x00EF: return true; // place holder to enable table lookup
126
case 0x00F0: return true; // place holder to enable table lookup
127
case 0x00F1: return true; // place holder to enable table lookup
128
case 0x00F2: return true; // place holder to enable table lookup
129
case 0x00F3: return false; // LATIN SMALL LETTER O WITH ACUTE
130
case 0x00F4: return true; // place holder to enable table lookup
131
case 0x00F5: return false; // LATIN SMALL LETTER O WITH TILDE
132
case 0x00F6: return false; // LATIN SMALL LETTER O WITH DIAERESIS
133
case 0x00F7: return false; // DIVISION SIGN
134
case 0x00F8: return false; // LATIN SMALL LETTER O WITH STROKE
135
case 0x00F9: return true; // place holder to enable table lookup
136
case 0x00FA: return true; // place holder to enable table lookup
137
case 0x00FB: return true; // place holder to enable table lookup
138
case 0x00FC: return false; // LATIN SMALL LETTER U WITH DIAERESIS
139
case 0x00FD: return true; // place holder to enable table lookup
140
case 0x00FE: return true; // place holder to enable table lookup
141
case 0x00FF: return true; // place holder to enable table lookup
142
case 0x0100: return false; // LATIN CAPITAL LETTER A WITH MACRON
143
case 0x0101: return false; // LATIN SMALL LETTER A WITH MACRON
144
case 0x0102: return true; // place holder to enable table lookup
145
case 0x0103: return true; // place holder to enable table lookup
146
case 0x0104: return false; // LATIN CAPITAL LETTER A WITH OGONEK
147
case 0x0105: return false; // LATIN SMALL LETTER A WITH OGONEK
148
case 0x0106: return false; // LATIN CAPITAL LETTER C WITH ACUTE
149
case 0x0107: return false; // LATIN SMALL LETTER C WITH ACUTE
150
case 0x0108: return true; // place holder to enable table lookup
151
case 0x0109: return true; // place holder to enable table lookup
152
case 0x010A: return true; // place holder to enable table lookup
153
case 0x010B: return true; // place holder to enable table lookup
154
case 0x010C: return false; // LATIN CAPITAL LETTER C WITH CARON
155
case 0x010D: return false; // LATIN SMALL LETTER C WITH CARON
156
case 0x010E: return true; // place holder to enable table lookup
157
case 0x010F: return true; // place holder to enable table lookup
158
case 0x0110: return true; // place holder to enable table lookup
159
case 0x0111: return true; // place holder to enable table lookup
160
case 0x0112: return false; // LATIN CAPITAL LETTER E WITH MACRON
161
case 0x0113: return false; // LATIN SMALL LETTER E WITH MACRON
162
case 0x0114: return true; // place holder to enable table lookup
163
case 0x0115: return true; // place holder to enable table lookup
164
case 0x0116: return false; // LATIN CAPITAL LETTER E WITH DOT ABOVE
165
case 0x0117: return false; // LATIN SMALL LETTER E WITH DOT ABOVE
166
case 0x0118: return false; // LATIN CAPITAL LETTER E WITH OGONEK
167
case 0x0119: return false; // LATIN SMALL LETTER E WITH OGONEK
168
case 0x011A: return true; // place holder to enable table lookup
169
case 0x011B: return true; // place holder to enable table lookup
170
case 0x011C: return true; // place holder to enable table lookup
171
case 0x011D: return true; // place holder to enable table lookup
172
case 0x011E: return true; // place holder to enable table lookup
173
case 0x011F: return true; // place holder to enable table lookup
174
case 0x0120: return true; // place holder to enable table lookup
175
case 0x0121: return true; // place holder to enable table lookup
176
case 0x0122: return false; // LATIN CAPITAL LETTER G WITH CEDILLA
177
case 0x0123: return false; // LATIN SMALL LETTER G WITH CEDILLA
178
case 0x0124: return true; // place holder to enable table lookup
179
case 0x0125: return true; // place holder to enable table lookup
180
case 0x0126: return true; // place holder to enable table lookup
181
case 0x0127: return true; // place holder to enable table lookup
182
case 0x0128: return true; // place holder to enable table lookup
183
case 0x0129: return true; // place holder to enable table lookup
184
case 0x012A: return false; // LATIN CAPITAL LETTER I WITH MACRON
185
case 0x012B: return false; // LATIN SMALL LETTER I WITH MACRON
186
case 0x012C: return true; // place holder to enable table lookup
187
case 0x012D: return true; // place holder to enable table lookup
188
case 0x012E: return false; // LATIN CAPITAL LETTER I WITH OGONEK
189
case 0x012F: return false; // LATIN SMALL LETTER I WITH OGONEK
190
case 0x0130: return true; // place holder to enable table lookup
191
case 0x0131: return true; // place holder to enable table lookup
192
case 0x0132: return true; // place holder to enable table lookup
193
case 0x0133: return true; // place holder to enable table lookup
194
case 0x0134: return true; // place holder to enable table lookup
195
case 0x0135: return true; // place holder to enable table lookup
196
case 0x0136: return false; // LATIN CAPITAL LETTER K WITH CEDILLA
197
case 0x0137: return false; // LATIN SMALL LETTER K WITH CEDILLA
198
case 0x0138: return true; // place holder to enable table lookup
199
case 0x0139: return true; // place holder to enable table lookup
200
case 0x013A: return true; // place holder to enable table lookup
201
case 0x013B: return false; // LATIN CAPITAL LETTER L WITH CEDILLA
202
case 0x013C: return false; // LATIN SMALL LETTER L WITH CEDILLA
203
case 0x013D: return true; // place holder to enable table lookup
204
case 0x013E: return true; // place holder to enable table lookup
205
case 0x013F: return true; // place holder to enable table lookup
206
case 0x0140: return true; // place holder to enable table lookup
207
case 0x0141: return false; // LATIN CAPITAL LETTER L WITH STROKE
208
case 0x0142: return false; // LATIN SMALL LETTER L WITH STROKE
209
case 0x0143: return false; // LATIN CAPITAL LETTER N WITH ACUTE
210
case 0x0144: return false; // LATIN SMALL LETTER N WITH ACUTE
211
case 0x0145: return false; // LATIN CAPITAL LETTER N WITH CEDILLA
212
case 0x0146: return false; // LATIN SMALL LETTER N WITH CEDILLA
213
case 0x0147: return true; // place holder to enable table lookup
214
case 0x0148: return true; // place holder to enable table lookup
215
case 0x0149: return true; // place holder to enable table lookup
216
case 0x014A: return true; // place holder to enable table lookup
217
case 0x014B: return true; // place holder to enable table lookup
218
case 0x014C: return false; // LATIN CAPITAL LETTER O WITH MACRON
219
case 0x014D: return false; // LATIN SMALL LETTER O WITH MACRON
220
case 0x014E: return true; // place holder to enable table lookup
221
case 0x014F: return true; // place holder to enable table lookup
222
case 0x0150: return true; // place holder to enable table lookup
223
case 0x0151: return true; // place holder to enable table lookup
224
case 0x0152: return true; // place holder to enable table lookup
225
case 0x0153: return true; // place holder to enable table lookup
226
case 0x0154: return true; // place holder to enable table lookup
227
case 0x0155: return true; // place holder to enable table lookup
228
case 0x0156: return false; // LATIN CAPITAL LETTER R WITH CEDILLA
229
case 0x0157: return false; // LATIN SMALL LETTER R WITH CEDILLA
230
case 0x0158: return true; // place holder to enable table lookup
231
case 0x0159: return true; // place holder to enable table lookup
232
case 0x015A: return false; // LATIN CAPITAL LETTER S WITH ACUTE
233
case 0x015B: return false; // LATIN SMALL LETTER S WITH ACUTE
234
case 0x015C: return true; // place holder to enable table lookup
235
case 0x015D: return true; // place holder to enable table lookup
236
case 0x015E: return true; // place holder to enable table lookup
237
case 0x015F: return true; // place holder to enable table lookup
238
case 0x0160: return false; // LATIN CAPITAL LETTER S WITH CARON
239
case 0x0161: return false; // LATIN SMALL LETTER S WITH CARON
240
case 0x0162: return true; // place holder to enable table lookup
241
case 0x0163: return true; // place holder to enable table lookup
242
case 0x0164: return true; // place holder to enable table lookup
243
case 0x0165: return true; // place holder to enable table lookup
244
case 0x0166: return true; // place holder to enable table lookup
245
case 0x0167: return true; // place holder to enable table lookup
246
case 0x0168: return true; // place holder to enable table lookup
247
case 0x0169: return true; // place holder to enable table lookup
248
case 0x016A: return false; // LATIN CAPITAL LETTER U WITH MACRON
249
case 0x016B: return false; // LATIN SMALL LETTER U WITH MACRON
250
case 0x016C: return true; // place holder to enable table lookup
251
case 0x016D: return true; // place holder to enable table lookup
252
case 0x016E: return true; // place holder to enable table lookup
253
case 0x016F: return true; // place holder to enable table lookup
254
case 0x0170: return true; // place holder to enable table lookup
255
case 0x0171: return true; // place holder to enable table lookup
256
case 0x0172: return false; // LATIN CAPITAL LETTER U WITH OGONEK
257
case 0x0173: return false; // LATIN SMALL LETTER U WITH OGONEK
258
case 0x0174: return true; // place holder to enable table lookup
259
case 0x0175: return true; // place holder to enable table lookup
260
case 0x0176: return true; // place holder to enable table lookup
261
case 0x0177: return true; // place holder to enable table lookup
262
case 0x0178: return true; // place holder to enable table lookup
263
case 0x0179: return false; // LATIN CAPITAL LETTER Z WITH ACUTE
264
case 0x017A: return false; // LATIN SMALL LETTER Z WITH ACUTE
265
case 0x017B: return false; // LATIN CAPITAL LETTER Z WITH DOT ABOVE
266
case 0x017C: return false; // LATIN SMALL LETTER Z WITH DOT ABOVE
267
case 0x017D: return false; // LATIN CAPITAL LETTER Z WITH CARON
268
case 0x017E: return false; // LATIN SMALL LETTER Z WITH CARON
269
}
270         switch (c) {
271             case 0x2019: return false; // RIGHT SINGLE QUOTATION MARK
272
case 0x201A: return true; // place holder to enable table lookup
273
case 0x201B: return true; // place holder to enable table lookup
274
case 0x201C: return false; // LEFT DOUBLE QUOTATION MARK
275
case 0x201D: return false; // RIGHT DOUBLE QUOTATION MARK
276
case 0x201E: return false; // DOUBLE LOW-9 QUOTATION MARK
277
}
278         
279         return true;
280         
281     }
282
283 }
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