1 /*
2 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package build.tools.cldrconverter;
27
28 import build.tools.cldrconverter.CLDRConverter.DraftType;
29 import java.util.HashMap;
30 import java.util.Map;
31 import java.util.Set;
32 import org.xml.sax.Attributes;
33 import org.xml.sax.SAXException;
34 import org.xml.sax.SAXParseException;
35 import org.xml.sax.helpers.DefaultHandler;
36
37 /**
38 * This is an abstract class for general LDML parsing purpose.
39 * LDMLParseHandler, SupplementLDMLParseHandler, and NumberingLDMLParseHandler
40 * are the subclasses of this class.
41 */
42
43 abstract class AbstractLDMLHandler<V> extends DefaultHandler {
44 static final Map<String, String> DAY_OF_WEEK_MAP = new HashMap<>();
45 static {
46 DAY_OF_WEEK_MAP.put("sun", "1");
47 DAY_OF_WEEK_MAP.put("mon", "2");
48 DAY_OF_WEEK_MAP.put("tue", "3");
49 DAY_OF_WEEK_MAP.put("wed", "4");
50 DAY_OF_WEEK_MAP.put("thu", "5");
51 DAY_OF_WEEK_MAP.put("fri", "6");
52 DAY_OF_WEEK_MAP.put("sat", "7");
53 }
54 // Collected data in JRE locale data format.
55 private Map<String, V> data = new HashMap<>();
56
57 // The root Container
58 Container currentContainer = new Container("$ROOT", null);
59
60 AbstractLDMLHandler() {
61 }
62
63 Map<String, V> getData() {
64 return data;
65 }
66
67 V put(String key, V value) {
68 return data.put(key, value);
69 }
70
71 V get(String key) {
72 return data.get(key);
73 }
74
75 Set<String> keySet() {
76 return data.keySet();
77 }
78
79 /*
80 * It returns true if the data should be ignored based on the user
81 * defined acceptance level, which is listed with draft attribute in
82 * the cldr locale xml files.
83 * When the alt attribute is present, the data is always ignored since
84 * we always use the primary data
85 */
86 boolean isIgnored(Attributes attributes) {
87 if (attributes.getValue("alt") != null) {
88 return true;
89 }
90 String draftValue = attributes.getValue("draft");
91 if (draftValue != null) {
92 return DraftType.getDefault().ordinal() > DraftType.forKeyword(draftValue).ordinal();
93 }
94 return false;
95 }
96
97 void pushContainer(String qName, Attributes attributes) {
98 if (isIgnored(attributes) || currentContainer instanceof IgnoredContainer) {
99 currentContainer = new IgnoredContainer(qName, currentContainer);
100 } else {
101 currentContainer = new Container(qName, currentContainer);
102 }
103 }
104
105 void pushIgnoredContainer(String qName) {
106 currentContainer = new IgnoredContainer(qName, currentContainer);
107 }
108
109 void pushKeyContainer(String qName, Attributes attributes, String key) {
110 if (!pushIfIgnored(qName, attributes)) {
111 currentContainer = new KeyContainer(qName, currentContainer, key);
112 }
113 }
114
115 /**
116 * start an element that defines a string entry, with the value provided by the element's text.
117 */
118 void pushStringEntry(String qName, Attributes attributes, String key) {
119 if (!pushIfIgnored(qName, attributes)) {
120 currentContainer = new StringEntry(qName, currentContainer, key);
121 }
122 }
123
124 /**
125 * start an element that defines an alias entry, with the value provided by the element's alias.
126 */
127 void pushAliasEntry(String qName, Attributes attributes, String key) {
128 if (!pushIfIgnored(qName, attributes)) {
129 currentContainer = new AliasEntry(qName, currentContainer, key);
130 }
131 }
132
133 /**
134 * start an element that defines a string entry, with the value provided by an attribute value.
135 */
136 void pushStringEntry(String qName, Attributes attributes, String key, String value) {
137 if (!pushIfIgnored(qName, attributes)) {
138 currentContainer = new StringEntry(qName, currentContainer, key, value);
139 }
140 }
141
142 void pushStringArrayEntry(String qName, Attributes attributes, String key, int length) {
143 if (!pushIfIgnored(qName, attributes)) {
144 currentContainer = new StringArrayEntry(qName, currentContainer, key, length);
145 }
146 }
147
148 void pushStringArrayElement(String qName, Attributes attributes, int index) {
149 if (!pushIfIgnored(qName, attributes)) {
150 currentContainer = new StringArrayElement(qName, currentContainer, index);
151 }
152 }
153
154 void pushStringListEntry(String qName, Attributes attributes, String key) {
155 if (!pushIfIgnored(qName, attributes)) {
156 currentContainer = new StringListEntry(qName, currentContainer, key);
157 }
158 }
159
160 void pushStringListElement(String qName, Attributes attributes, int index) {
161 if (!pushIfIgnored(qName, attributes)) {
162 currentContainer = new StringListElement(qName, currentContainer, index);
163 }
164 }
165
166
167 private boolean pushIfIgnored(String qName, Attributes attributes) {
168 if (isIgnored(attributes) || currentContainer instanceof IgnoredContainer) {
169 pushIgnoredContainer(qName);
170 return true;
171 }
172 return false;
173 }
174
175 /**
176 * Obtains the key from the innermost containing container that provides one.
177 */
178 String getContainerKey() {
179 Container current = currentContainer;
180 while (current != null) {
181 if (current instanceof KeyContainer) {
182 return ((KeyContainer) current).getKey();
183 }
184 current = current.getParent();
185 }
186 return null;
187 }
188
189 @Override
190 public void characters(char[] ch, int start, int length) throws SAXException {
191 currentContainer.addCharacters(ch, start, length);
192 }
193
194 @SuppressWarnings(value = "CallToThreadDumpStack")
195 @Override
196 public void warning(SAXParseException e) throws SAXException {
197 e.printStackTrace();
198 }
199
200 @SuppressWarnings(value = "CallToThreadDumpStack")
201 @Override
202 public void error(SAXParseException e) throws SAXException {
203 e.printStackTrace();
204 }
205
206 @SuppressWarnings(value = "CallToThreadDumpStack")
207 @Override
208 public void fatalError(SAXParseException e) throws SAXException {
209 e.printStackTrace();
210 super.fatalError(e);
211 }
212 }