Enable single-language dictionary

[DictionaryPC.git] / src / com / hughes / android / dictionary / parser / SingleDictFileParser.java

diff --git a/src/com/hughes/android/dictionary/parser/SingleDictFileParser.java b/src/com/hughes/android/dictionary/parser/SingleDictFileParser.java
new file mode 100644 (file)
index 0000000..0f6f95f
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+++ b/src/com/hughes/android/dictionary/parser/SingleDictFileParser.java
@@ -0,0 +1,134 @@
+// 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;
+    }
+
+    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;
+    }
+
+
+}