Revision: 7791
http://languagetool.svn.sourceforge.net/languagetool/?rev=7791&view=rev
Author: dnaber
Date: 2012-08-04 21:59:09 +0000 (Sat, 04 Aug 2012)
Log Message:
-----------
helper class to extract suggestions from rule messages - forgot to commit with
its test case - not yet used
Added Paths:
-----------
trunk/JLanguageTool/src/java/org/languagetool/rules/spelling/SuggestionExtractor.java
Added:
trunk/JLanguageTool/src/java/org/languagetool/rules/spelling/SuggestionExtractor.java
===================================================================
---
trunk/JLanguageTool/src/java/org/languagetool/rules/spelling/SuggestionExtractor.java
(rev 0)
+++
trunk/JLanguageTool/src/java/org/languagetool/rules/spelling/SuggestionExtractor.java
2012-08-04 21:59:09 UTC (rev 7791)
@@ -0,0 +1,94 @@
+/* LanguageTool, a natural language style checker
+ * Copyright (C) 2012 Daniel Naber (http://www.danielnaber.de)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
+ * USA
+ */
+package org.languagetool.rules.spelling;
+
+import org.languagetool.Language;
+import org.languagetool.rules.Rule;
+import org.languagetool.rules.patterns.PatternRule;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Extract tokens from suggestions.
+ */
+class SuggestionExtractor {
+
+ private final static Pattern SUGGESTION_PATTERN =
Pattern.compile("<suggestion.*?>(.*?)</suggestion>");
+ private final static Pattern BACK_REFERENCE_PATTERN = Pattern.compile("\\\\"
+ "\\d+");
+ private final Language language;
+
+ public SuggestionExtractor(Language language) {
+ this.language = language;
+ }
+
+ /**
+ * Get the tokens of simple suggestions, i.e. those that don't use back
references.
+ */
+ List<String> getSuggestionTokens(Rule rule) {
+ final List<String> wordsToBeIgnored = new ArrayList<String>();
+ if (rule instanceof PatternRule) {
+ final PatternRule patternRule = (PatternRule) rule;
+ final String message = patternRule.getMessage();
+ final List<String> suggestions = getSimpleSuggestions(message);
+ final List<String> tokens = getSuggestionTokens(suggestions);
+ wordsToBeIgnored.addAll(tokens);
+ }
+ return wordsToBeIgnored;
+ }
+
+ /**
+ * Get suggestions that don't use back references or regular
+ * @param message
+ * @return
+ */
+ List<String> getSimpleSuggestions(String message) {
+ final Matcher matcher = SUGGESTION_PATTERN.matcher(message);
+ int startPos = 0;
+ final List<String> suggestions = new ArrayList<String>();
+ while (matcher.find(startPos)) {
+ final String suggestion = matcher.group(1);
+ startPos = matcher.end();
+ if (isSimpleSuggestion(suggestion)) {
+ suggestions.add(suggestion);
+ }
+ }
+ return suggestions;
+ }
+
+ private boolean isSimpleSuggestion(String suggestion) {
+ if (suggestion.contains("<match")) {
+ return false;
+ }
+ final Matcher matcher = BACK_REFERENCE_PATTERN.matcher(suggestion);
+ return !matcher.find();
+ }
+
+ private List<String> getSuggestionTokens(List<String> suggestions) {
+ final List<String> tokens = new ArrayList<String>();
+ for (String suggestion : suggestions) {
+ final List<String> suggestionTokens =
language.getWordTokenizer().tokenize(suggestion);
+ tokens.addAll(suggestionTokens);
+ }
+ return tokens;
+ }
+
+}
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