1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.fontbox.cff.charset;
18
19 import java.util.ArrayList;
20 import java.util.List;
21
22 /**
23 * This is the superclass for all CFFFont charsets.
24 *
25 * @author Villu Ruusmann
26 * @version $Revision$
27 */
28 public abstract class CFFCharset
29 {
30 private List<Entry> entries = new ArrayList<Entry>();
31
32 /**
33 * Determines if the charset is font specific or not.
34 * @return if the charset is font specific
35 */
36 public boolean isFontSpecific()
37 {
38 return false;
39 }
40
41 /**
42 * Returns the SID corresponding to the given name.
43 * @param name the given SID
44 * @return the corresponding SID
45 */
46 public int getSID(String name)
47 {
48 for(Entry entry : this.entries)
49 {
50 if((entry.entryName).equals(name))
51 {
52 return entry.entrySID;
53 }
54 }
55 return -1;
56 }
57
58 /**
59 * Returns the name corresponding to the given SID.
60 * @param sid the given SID
61 * @return the corresponding name
62 */
63 public String getName(int sid)
64 {
65 for(Entry entry : this.entries)
66 {
67 if(entry.entrySID == sid)
68 {
69 return entry.entryName;
70 }
71 }
72 return null;
73 }
74
75 /**
76 * Adds a new SID/name combination to the charset.
77 * @param sid the given SID
78 * @param name the given name
79 */
80 public void register(int sid, String name)
81 {
82 entries.add(new Entry(sid,name));
83 }
84
85 /**
86 * A list of all entries within this charset.
87 * @return a list of all entries
88 */
89 public List<Entry> getEntries()
90 {
91 return entries;
92 }
93
94 /**
95 * This class represents a single SID/name mapping of the charset.
96 *
97 */
98 public static class Entry
99 {
100 private int entrySID;
101 private String entryName;
102
103 /**
104 * Create a new instance of Entry with the given values.
105 * @param sid the SID
106 * @param name the Name
107 */
108 protected Entry(int sid, String name)
109 {
110 this.entrySID = sid;
111 this.entryName = name;
112 }
113
114 /**
115 * The SID of this entry.
116 * @return the SID
117 */
118 public int getSID()
119 {
120 return entrySID;
121 }
122
123 /**
124 * The Name of this entry.
125 * @return the name
126 */
127 public String getName()
128 {
129 return entryName;
130 }
131
132 /**
133 * {@inheritDoc}
134 */
135 public String toString()
136 {
137 return "[sid=" + entrySID + ", name=" + entryName + "]";
138 }
139 }
140 }