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Java > Open Source Codes > nu > xom > ISOArabicWriter


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 8859-6, ASCII plus Arabic
29  * </p>
30  *
31  * @author Elliotte Rusty Harold
32  * @version 1.0
33  *
34  */
35 class ISOArabicWriter extends TextWriter {
36
37     ISOArabicWriter(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) {
47             case 0x060C: return false; // ARABIC COMMA
48 case 0x060D: return true; // place holder to allow table lookup
49 case 0x060E: return true; // place holder to allow table lookup
50 case 0x060F: return true; // place holder to allow table lookup
51 case 0x0610: return true; // place holder to allow table lookup
52 case 0x0611: return true; // place holder to allow table lookup
53 case 0x0612: return true; // place holder to allow table lookup
54 case 0x0613: return true; // place holder to allow table lookup
55 case 0x0614: return true; // place holder to allow table lookup
56 case 0x0615: return true; // place holder to allow table lookup
57 case 0x0616: return true; // place holder to allow table lookup
58 case 0x0617: return true; // place holder to allow table lookup
59 case 0x0618: return true; // place holder to allow table lookup
60 case 0x0619: return true; // place holder to allow table lookup
61 case 0x061A: return true; // place holder to allow table lookup
62 case 0x061B: return false; // ARABIC SEMICOLON
63 case 0x061C: return true; // place holder to allow table lookup
64 case 0x061D: return true; // place holder to allow table lookup
65 case 0x061E: return true; // place holder to allow table lookup
66 case 0x061F: return false; // ARABIC QUESTION MARK
67 case 0x0620: return true; // place holder to allow table lookup
68 case 0x0621: return false; // ARABIC LETTER HAMZA
69 case 0x0622: return false; // ARABIC LETTER ALEF WITH MADDA ABOVE
70 case 0x0623: return false; // ARABIC LETTER ALEF WITH HAMZA ABOVE
71 case 0x0624: return false; // ARABIC LETTER WAW WITH HAMZA ABOVE
72 case 0x0625: return false; // ARABIC LETTER ALEF WITH HAMZA BELOW
73 case 0x0626: return false; // ARABIC LETTER YEH WITH HAMZA ABOVE
74 case 0x0627: return false; // ARABIC LETTER ALEF
75 case 0x0628: return false; // ARABIC LETTER BEH
76 case 0x0629: return false; // ARABIC LETTER TEH MARBUTA
77 case 0x062A: return false; // ARABIC LETTER TEH
78 case 0x062B: return false; // ARABIC LETTER THEH
79 case 0x062C: return false; // ARABIC LETTER JEEM
80 case 0x062D: return false; // ARABIC LETTER HAH
81 case 0x062E: return false; // ARABIC LETTER KHAH
82 case 0x062F: return false; // ARABIC LETTER DAL
83 case 0x0630: return false; // ARABIC LETTER THAL
84 case 0x0631: return false; // ARABIC LETTER REH
85 case 0x0632: return false; // ARABIC LETTER ZAIN
86 case 0x0633: return false; // ARABIC LETTER SEEN
87 case 0x0634: return false; // ARABIC LETTER SHEEN
88 case 0x0635: return false; // ARABIC LETTER SAD
89 case 0x0636: return false; // ARABIC LETTER DAD
90 case 0x0637: return false; // ARABIC LETTER TAH
91 case 0x0638: return false; // ARABIC LETTER ZAH
92 case 0x0639: return false; // ARABIC LETTER AIN
93 case 0x063A: return false; // ARABIC LETTER GHAIN
94 case 0x063B: return true; // place holder to allow table lookup
95 case 0x063C: return true; // place holder to allow table lookup
96 case 0x063D: return true; // place holder to allow table lookup
97 case 0x063E: return true; // place holder to allow table lookup
98 case 0x063F: return true; // place holder to allow table lookup
99 case 0x0640: return false; // ARABIC TATWEEL
100 case 0x0641: return false; // ARABIC LETTER FEH
101 case 0x0642: return false; // ARABIC LETTER QAF
102 case 0x0643: return false; // ARABIC LETTER KAF
103 case 0x0644: return false; // ARABIC LETTER LAM
104 case 0x0645: return false; // ARABIC LETTER MEEM
105 case 0x0646: return false; // ARABIC LETTER NOON
106 case 0x0647: return false; // ARABIC LETTER HEH
107 case 0x0648: return false; // ARABIC LETTER WAW
108 case 0x0649: return false; // ARABIC LETTER ALEF MAKSURA
109 case 0x064A: return false; // ARABIC LETTER YEH
110 case 0x064B: return false; // ARABIC FATHATAN
111 case 0x064C: return false; // ARABIC DAMMATAN
112 case 0x064D: return false; // ARABIC KASRATAN
113 case 0x064E: return false; // ARABIC FATHA
114 case 0x064F: return false; // ARABIC DAMMA
115 case 0x0650: return false; // ARABIC KASRA
116 case 0x0651: return false; // ARABIC SHADDA
117 case 0x0652: return false; // ARABIC SUKUN
118 }
119         switch (c) { // random overlap with Latin-1
120 case 0x00A4: return false; // CURRENCY SIGN
121 case 0x00AD: return false; // SOFT HYPHEN
122 }
123         
124         return true;
125         
126     }
127
128 }
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