--- /dev/null
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.hughes.android.dictionary.parser;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.Charset;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.LinkedHashSet;
+import java.util.Set;
+import java.util.logging.Logger;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import com.hughes.android.dictionary.engine.DictionaryBuilder;
+import com.hughes.android.dictionary.engine.EntrySource;
+import com.hughes.android.dictionary.engine.EntryTypeName;
+import com.hughes.android.dictionary.engine.HtmlEntry;
+import com.hughes.android.dictionary.engine.IndexBuilder;
+import com.hughes.android.dictionary.engine.IndexBuilder.TokenData;
+import com.hughes.android.dictionary.engine.IndexedEntry;
+import com.hughes.android.dictionary.engine.Language;
+import com.hughes.android.dictionary.engine.PairEntry;
+import com.hughes.util.StringUtil;
+
+public class SingleDictFileParser implements Parser {
+
+ static final Logger logger = Logger.getLogger(SingleDictFileParser.class.getName());
+
+ // Dictcc
+ public static final String TAB = "\t";
+
+ // Chemnitz
+ public static final String DOUBLE_COLON = " :: ";
+ public static final String PIPE = "|";
+
+ static final Pattern SPACES = Pattern.compile("\\s+");
+
+ static final Pattern CURLY_BRACED = Pattern.compile("\\{([^}]+)\\}");
+
+ // http://www.regular-expressions.info/unicode.html
+ static final Pattern NON_CHAR_DASH = Pattern.compile("[^-'\\p{L}\\p{M}\\p{N}]+");
+ public static final Pattern NON_CHAR = Pattern.compile("[^\\p{L}\\p{M}\\p{N}]+");
+
+ static final Pattern TRIM_PUNC = Pattern.compile("^[^\\p{L}\\p{M}\\p{N}]+|[^\\p{L}\\p{M}\\p{N}]+$");
+
+ final Charset charset;
+
+ final String fieldSplit;
+
+ final DictionaryBuilder dictBuilder;
+
+ EntrySource entrySource;
+
+ // final Set<String> alreadyDone = new HashSet<String>();
+
+ public SingleDictFileParser(final Charset charset,
+ final String fieldSplit,
+ final DictionaryBuilder dictBuilder) {
+ this.charset = charset;
+ this.fieldSplit = fieldSplit;
+ this.dictBuilder = dictBuilder;
+ }
+
+ @Override
+ public void parse(final File file, final EntrySource entrySouce, final int pageLimit) throws IOException {
+ this.entrySource = entrySouce;
+ final BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), charset));
+ String line;
+ int count = 0;
+ while ((line = reader.readLine()) != null) {
+ if (pageLimit >= 0 && count >= pageLimit) {
+ return;
+ }
+ if (count % 10000 == 0) {
+ logger.info("count=" + count + ", line=" + line);
+ }
+ parseLine(line);
+ ++count;
+ }
+ }
+
+ private void parseLine(final String line) {
+ if (line.startsWith("#") || line.isEmpty()) {
+ logger.info("Skipping comment line: " + line);
+ return;
+ }
+ final String[] fields = StringUtil.split(line, fieldSplit);
+ if (fields.length < 2 || fields.length > 4) {
+ logger.warning("Malformed line, expected 3 or 4 fields, got " + fields.length + ": " + line);
+ return;
+ }
+
+ String headword = SPACES.matcher(fields[0]).replaceAll(" ").trim();
+ String definition = SPACES.matcher(fields[1]).replaceAll(" ").trim();
+
+ final HtmlEntry htmlEntry = new HtmlEntry(entrySource, headword);
+ htmlEntry.html = definition;
+ IndexedEntry entryData = new IndexedEntry(htmlEntry);
+ entryData.isValid = true;
+
+ final IndexBuilder titleIndexBuilder = dictBuilder.indexBuilders.get(0);
+ final TokenData tokenData = titleIndexBuilder.getOrCreateTokenData(headword);
+ tokenData.hasMainEntry = true;
+
+ htmlEntry.addToDictionary(titleIndexBuilder.index.dict);
+ tokenData.htmlEntries.add(htmlEntry);
+
+ entryData = null;
+ }
+
+ private StringBuilder extractParenthesized(StringBuilder in, String startChar, String endChar) {
+ StringBuilder res = new StringBuilder();
+ int pos = 0;
+ while ((pos = in.indexOf(startChar, pos)) != -1) {
+ int end = in.indexOf(endChar, pos + 1);
+ if (end == -1) break;
+ res.append(in, pos + 1, end).append(" ");
+ in.replace(pos, end + 1, " ");
+ pos++; // skip the just appended space
+ }
+ return res;
+ }
+
+ private void parseFieldGeneric(final IndexBuilder indexBuilder, String field,
+ final IndexedEntry entryData, final int subfieldIdx, final int numSubFields) {
+ final StringBuilder fieldsb = new StringBuilder(field);
+ // remove bracketed and parenthesized stuff.
+ final StringBuilder bracketed = extractParenthesized(fieldsb, "[", "]");
+ final StringBuilder parenthesized = extractParenthesized(fieldsb, "(", ")");
+
+ field = fieldsb.toString().trim();
+
+ // split words on non -A-z0-9, do them.
+ final String[] tokens = NON_CHAR_DASH.split(field);
+
+ final EntryTypeName entryTypeName;
+ if (numSubFields == 1) {
+ assert subfieldIdx == 0;
+ if (tokens.length == 1) {
+ entryTypeName = EntryTypeName.ONE_WORD;
+ } else if (tokens.length == 2) {
+ entryTypeName = EntryTypeName.TWO_WORDS;
+ } else if (tokens.length == 3) {
+ entryTypeName = EntryTypeName.THREE_WORDS;
+ } else if (tokens.length == 4) {
+ entryTypeName = EntryTypeName.FOUR_WORDS;
+ } else {
+ entryTypeName = EntryTypeName.FIVE_OR_MORE_WORDS;
+ }
+ } else {
+ assert numSubFields > 1;
+ if (subfieldIdx == 0) {
+ if (tokens.length == 1) {
+ entryTypeName = EntryTypeName.MULTIROW_HEAD_ONE_WORD;
+ } else {
+ entryTypeName = EntryTypeName.MULTIROW_HEAD_MANY_WORDS;
+ }
+ } else {
+ assert subfieldIdx > 0;
+ if (tokens.length == 1) {
+ entryTypeName = EntryTypeName.MULTIROW_TAIL_ONE_WORD;
+ } else {
+ entryTypeName = EntryTypeName.MULTIROW_TAIL_MANY_WORDS;
+ }
+ }
+ }
+
+ for (String token : tokens) {
+ token = TRIM_PUNC.matcher(token).replaceAll("");
+ if (/*!alreadyDone.contains(token) && */!token.isEmpty()) {
+ indexBuilder.addEntryWithTokens(entryData, Collections.singleton(token), entryTypeName);
+ // alreadyDone.add(token);
+
+ // also split words on dashes, do them, too.
+ if (token.indexOf('-') != -1) {
+ final String[] dashed = StringUtil.split(token, "-");
+ for (final String dashedToken : dashed) {
+ if (/*!alreadyDone.contains(dashedToken) && */!dashedToken.isEmpty()) {
+ indexBuilder.addEntryWithTokens(entryData, Collections.singleton(dashedToken), EntryTypeName.PART_OF_HYPHENATED);
+ }
+ }
+ }
+
+ } // if (!alreadyDone.contains(token)) {
+ } // for (final String token : tokens) {
+ }
+
+ public static Set<String> tokenize(final String text, final Pattern pattern) {
+ final String[] split = pattern.split(text);
+ final Set<String> result = new LinkedHashSet<>(Arrays.asList(split));
+ result.remove("");
+ return result;
+ }
+
+
+}
projects / DictionaryPC.git / blobdiff