1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2006 - 2009 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.fonts.text;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.IOException;
import org.pentaho.reporting.libraries.fonts.tools.ByteTable;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Creation-Date: 11.06.2006, 17:11:16
*
* @author Thomas Morgner
*/
public final class GraphemeClassifier
{
private static final Log logger = LogFactory.getLog(GraphemeClassifier.class);
public static final int OTHER = 0;
public static final int CR = 0x01;
public static final int LF = 0x02;
public static final int CONTROL = 0x03;
public static final int EXTEND = 4;
public static final int L = 0x08; // 0000 0000 1000;
public static final int LV = 0x18; // 0000 0001 1000;
public static final int V = 0x38; // 0000 0011 1000;
public static final int T = 0x68; // 0000 0110 1000;
public static final int LVT = 0x48; // 0000 0100 1000;
public static final int ANY_HANGUL_MASK = 0x8;
public static final int V_OR_LV_MASK = 0x18;
public static final int V_OR_T_MASK = 0x28;
public static final int LVT_OR_T_MASK = 0x48;
private ByteTable classificationData;
private static GraphemeClassifier classifier;
private GraphemeClassifier()
{
InputStream in = getClass().getResourceAsStream("/org/pentaho/reporting/libraries/fonts/text/generated/grapheme-classification.ser");
if (in != null)
{
try
{
final ObjectInputStream oin = new ObjectInputStream(in);
classificationData = (ByteTable) oin.readObject();
oin.close();
in = null;
}
catch(Exception e)
{
logger.warn ("Unable to load the pre-generated classification data.", e);
}
finally
{
if (in != null)
{
try
{
in.close();
}
catch (IOException e)
{
// ignore ..
}
}
}
}
}
public int getGraphemeClassification(final int codePoint)
{
if (classificationData != null)
{
final int row = codePoint >> 8;
final int col = codePoint & 0xFF;
return classificationData.getByte(row, col, (byte) OTHER);
}
if (codePoint == 0x0D)
{
return CR;
}
if (codePoint == 0x0A)
{
return LF;
}
return OTHER;
}
public static synchronized GraphemeClassifier getClassifier()
{
if (classifier == null)
{
classifier = new GraphemeClassifier();
}
return classifier;
}
}
|
