1 // Copyright 2011 Google Inc. All Rights Reserved.
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
15 package com.hughes.android.dictionary.engine;
17 import java.io.BufferedOutputStream;
18 import java.io.DataOutputStream;
20 import java.io.FileOutputStream;
21 import java.io.IOException;
22 import java.util.ArrayList;
23 import java.util.Arrays;
24 import java.util.List;
25 import java.util.regex.Matcher;
26 import java.util.regex.Pattern;
28 import javax.xml.parsers.ParserConfigurationException;
29 import javax.xml.parsers.SAXParser;
30 import javax.xml.parsers.SAXParserFactory;
32 import org.xml.sax.Attributes;
33 import org.xml.sax.SAXException;
35 public class WiktionarySplitter extends org.xml.sax.helpers.DefaultHandler {
37 static class Section implements java.io.Serializable {
38 private static final long serialVersionUID = -7676549898325856822L;
44 public Section(final String title, final String heading, final String text) {
46 this.heading = heading;
49 //System.out.printf("TITLE:%s\nHEADING:%s\nTEXT:%s\n\n\n\n\n\n", title, heading, text);
53 static class Selector {
57 public Selector(final String filename, final String pattern) throws IOException {
58 this.out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(filename)));
59 this.pattern = Pattern.compile(pattern);
63 final List<Selector> selectors = new ArrayList<Selector>();
64 StringBuilder titleBuilder;
65 StringBuilder textBuilder;
66 StringBuilder currentBuilder = null;
68 public static void main(final String[] args) throws SAXException, IOException, ParserConfigurationException {
69 final SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
70 final WiktionarySplitter wiktionarySplitter = new WiktionarySplitter();
73 final File file = new File(args[0]);
74 final List<Selector> selectors = wiktionarySplitter.selectors;
75 for (int i = 1; i < args.length; i += 2) {
76 final Selector selector = new Selector(args[i], args[i+1]);
77 selectors.add(selector);
80 if (selectors.isEmpty()) {
81 selectors.addAll(Arrays.asList(
82 // new Selector("../DictionaryData/inputs/enWikiSplit/AF.data", ".*[Aa]frikaans.*"),
83 // new Selector("../DictionaryData/inputs/enWikiSplit/AR.data", ".*[Aa]rabic.*"),
84 // new Selector("../DictionaryData/inputs/enWikiSplit/HY.data", ".*[Aa]rmenian.*"),
85 new Selector("../DictionaryData/inputs/enWikiSplit/HR.data", ".*[Cc]roatian.*"),
86 // new Selector("../DictionaryData/inputs/enWikiSplit/CS.data", ".*[Cc]zech.*"),
87 new Selector("../DictionaryData/inputs/enWikiSplit/ZH.data", ".*[Cc]hinese.*|.*[Mm]andarin.*|.*Cantonese.*")
88 // new Selector("../DictionaryData/inputs/enWikiSplit/DA.data", ".*[Dd]anish.*"),
89 // new Selector("../DictionaryData/inputs/enWikiSplit/NL.data", ".*[Dd]utch.*"),
90 // new Selector("../DictionaryData/inputs/enWikiSplit/EN.data", ".*[Ee]nglish.*"),
91 // new Selector("../DictionaryData/inputs/enWikiSplit/FI.data", ".*[Ff]innish.*"),
92 // new Selector("../DictionaryData/inputs/enWikiSplit/FR.data", ".*[Ff]rench.*"),
93 // new Selector("../DictionaryData/inputs/enWikiSplit/DE.data", ".*[Gg]erman.*"),
94 // new Selector("../DictionaryData/inputs/enWikiSplit/EL.data", ".*[Gg]reek.*"),
95 // new Selector("../DictionaryData/inputs/enWikiSplit/haw.data", ".*[Hh]awaiian.*"),
96 // new Selector("../DictionaryData/inputs/enWikiSplit/HE.data", ".*[Hh]ebrew.*"),
97 // new Selector("../DictionaryData/inputs/enWikiSplit/HI.data", ".*[Hh]indi.*"),
98 // new Selector("../DictionaryData/inputs/enWikiSplit/IS.data", ".*[Ii]celandic.*"),
99 // new Selector("../DictionaryData/inputs/enWikiSplit/GA.data", ".*[Ii]rish.*"),
100 // new Selector("../DictionaryData/inputs/enWikiSplit/IT.data", ".*[Ii]talian.*"),
101 // new Selector("../DictionaryData/inputs/enWikiSplit/LT.data", ".*[Ll]ithuanian.*"),
102 // new Selector("../DictionaryData/inputs/enWikiSplit/JA.data", ".*[Jj]apanese.*"),
103 // new Selector("../DictionaryData/inputs/enWikiSplit/KO.data", ".*[Kk]orean.*"),
104 // new Selector("../DictionaryData/inputs/enWikiSplit/KU.data", ".*[Kk]urdish.*"),
105 // new Selector("../DictionaryData/inputs/enWikiSplit/MS.data", ".*[Mm]alay.*"),
106 // new Selector("../DictionaryData/inputs/enWikiSplit/MI.data", ".*[Mm]aori.*"),
107 // new Selector("../DictionaryData/inputs/enWikiSplit/MN.data", ".*[Mm]ongolian.*"),
108 // new Selector("../DictionaryData/inputs/enWikiSplit/NO.data", ".*[Nn]orwegian.*"),
109 // new Selector("../DictionaryData/inputs/enWikiSplit/FA.data", ".*[Pp]ersian.*"),
110 // new Selector("../DictionaryData/inputs/enWikiSplit/PT.data", ".*[Pp]ortuguese.*"),
111 // new Selector("../DictionaryData/inputs/enWikiSplit/PL.data", ".*[Pp]olish.*")
112 // new Selector("../DictionaryData/inputs/enWikiSplit/RO.data", ".*[Rr]omanian.*"),
113 // new Selector("../DictionaryData/inputs/enWikiSplit/RU.data", ".*[Rr]ussian.*"),
114 // new Selector("../DictionaryData/inputs/enWikiSplit/SA.data", ".*[Ss]anskrit.*"),
115 // new Selector("../DictionaryData/inputs/enWikiSplit/SR.data", ".*[Ss]erbian.*"),
116 // new Selector("../DictionaryData/inputs/enWikiSplit/SO.data", ".*[Ss]omali.*"),
117 // new Selector("../DictionaryData/inputs/enWikiSplit/ES.data", ".*[Ss]panish.*"),
118 // new Selector("../DictionaryData/inputs/enWikiSplit/SV.data", ".*[Ss]wedish.*"),
119 // new Selector("../DictionaryData/inputs/enWikiSplit/TG.data", ".*[Tt]ajik.*"),
120 // new Selector("../DictionaryData/inputs/enWikiSplit/TH.data", ".*[Tt]hai.*"),
121 // new Selector("../DictionaryData/inputs/enWikiSplit/BO.data", ".*[Tt]ibetan.*"),
122 // new Selector("../DictionaryData/inputs/enWikiSplit/TR.data", ".*[Tt]urkish.*"),
123 // new Selector("../DictionaryData/inputs/enWikiSplit/UK.data", ".*[Uu]krainian.*")
124 // new Selector("../DictionaryData/inputs/enWikiSplit/VI.data", ".*[Vv]ietnamese.*"),
125 // new Selector("../DictionaryData/inputs/enWikiSplit/CI.data", ".*[Ww]elsh.*"),
126 // new Selector("../DictionaryData/inputs/enWikiSplit/YI.data", ".*[Yy]iddish.*"),
127 // new Selector("../DictionaryData/inputs/enWikiSplit/ZU.data", ".*[Zz]ulu.*")
132 parser.parse(file, wiktionarySplitter);
135 for (final Selector selector : selectors) {
136 selector.out.close();
140 static final Pattern headingStart = Pattern.compile("^(=+)[^=]+=+", Pattern.MULTILINE);
143 private void endPage() {
144 final String title = titleBuilder.toString();
145 if (++pageCount % 1000 == 0) {
146 System.out.println("endPage: " + title + ", count=" + pageCount);
149 String text = textBuilder.toString();
151 while (text.length() > 0) {
153 final Matcher startMatcher = headingStart.matcher(text);
154 if (!startMatcher.find()) {
157 text = text.substring(startMatcher.end());
159 final String heading = startMatcher.group();
160 for (final Selector selector : selectors) {
161 if (selector.pattern.matcher(heading).find()) {
164 final int depth = startMatcher.group(1).length();
165 final Pattern endPattern = Pattern.compile(String.format("^={1,%d}[^=]+=+", depth), Pattern.MULTILINE);
167 final Matcher endMatcher = endPattern.matcher(text);
169 if (endMatcher.find()) {
170 end = endMatcher.start();
175 final String sectionText = text.substring(0, end);
176 final Section section = new Section(title, heading, sectionText);
179 selector.out.writeUTF(section.title);
180 selector.out.writeUTF(section.heading);
181 final byte[] bytes = section.text.getBytes("UTF8");
182 selector.out.writeInt(bytes.length);
183 selector.out.write(bytes);
184 } catch (IOException e) {
185 throw new RuntimeException(e);
188 text = text.substring(end);
195 // -----------------------------------------------------------------------
198 public void startElement(String uri, String localName, String qName,
199 Attributes attributes) {
200 currentBuilder = null;
201 if ("page".equals(qName)) {
202 titleBuilder = new StringBuilder();
204 // Start with "\n" to better match certain strings.
205 textBuilder = new StringBuilder("\n");
206 } else if ("title".equals(qName)) {
207 currentBuilder = titleBuilder;
208 } else if ("text".equals(qName)) {
209 currentBuilder = textBuilder;
214 public void characters(char[] ch, int start, int length) throws SAXException {
215 if (currentBuilder != null) {
216 currentBuilder.append(ch, start, length);
221 public void endElement(String uri, String localName, String qName)
222 throws SAXException {
223 currentBuilder = null;
224 if ("page".equals(qName)) {
230 public void parse(final File file) throws ParserConfigurationException,
231 SAXException, IOException {
232 final SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
233 parser.parse(file, this);