+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-
-package net.sourceforge.phpdt.internal.ui.text.spelling.engine;
-
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
-
-import org.eclipse.jface.preference.IPreferenceStore;
-
-/**
- * Default spell checker for standard text.
- *
- * @since 3.0
- */
-public class DefaultSpellChecker implements ISpellChecker {
-
- /** Array of url prefixes */
- public static final String[] URL_PREFIXES = new String[] {
- "http://", "https://", "www.", "ftp://", "ftps://", "news://", "mailto://" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$
-
- /**
- * Does this word contain digits?
- *
- * @param word
- * The word to check
- * @return <code>true</code> iff this word contains digits,
- * <code>false></code> otherwise
- */
- protected static boolean isDigits(final String word) {
-
- for (int index = 0; index < word.length(); index++) {
-
- if (Character.isDigit(word.charAt(index)))
- return true;
- }
- return false;
- }
-
- /**
- * Does this word contain mixed-case letters?
- *
- * @param word
- * The word to check
- * @param sentence
- * <code>true</code> iff the specified word starts a new
- * sentence, <code>false</code> otherwise
- * @return <code>true</code> iff the contains mixed-case letters,
- * <code>false</code> otherwise
- */
- protected static boolean isMixedCase(final String word,
- final boolean sentence) {
-
- final int length = word.length();
- boolean upper = Character.isUpperCase(word.charAt(0));
-
- if (sentence && upper && (length > 1))
- upper = Character.isUpperCase(word.charAt(1));
-
- if (upper) {
-
- for (int index = length - 1; index > 0; index--) {
- if (Character.isLowerCase(word.charAt(index)))
- return true;
- }
- } else {
-
- for (int index = length - 1; index > 0; index--) {
- if (Character.isUpperCase(word.charAt(index)))
- return true;
- }
- }
- return false;
- }
-
- /**
- * Does this word contain upper-case letters only?
- *
- * @param word
- * The word to check
- * @return <code>true</code> iff this word only contains upper-case
- * letters, <code>false</code> otherwise
- */
- protected static boolean isUpperCase(final String word) {
-
- for (int index = word.length() - 1; index >= 0; index--) {
-
- if (Character.isLowerCase(word.charAt(index)))
- return false;
- }
- return true;
- }
-
- /**
- * Does this word look like an URL?
- *
- * @param word
- * The word to check
- * @return <code>true</code> iff this word looks like an URL,
- * <code>false</code> otherwise
- */
- protected static boolean isUrl(final String word) {
-
- for (int index = 0; index < URL_PREFIXES.length; index++) {
-
- if (word.startsWith(URL_PREFIXES[index]))
- return true;
- }
- return false;
- }
-
- /**
- * The dictionaries to use for spell-checking. Synchronized to avoid
- * concurrent modifications.
- */
- private final Set fDictionaries = Collections
- .synchronizedSet(new HashSet());
-
- /**
- * The words to be ignored. Synchronized to avoid concurrent modifications.
- */
- private final Set fIgnored = Collections.synchronizedSet(new HashSet());
-
- /**
- * The spell event listeners. Synchronized to avoid concurrent
- * modifications.
- */
- private final Set fListeners = Collections.synchronizedSet(new HashSet());
-
- /**
- * The preference store. Assumes the <code>IPreferenceStore</code>
- * implementation is thread safe.
- */
- private final IPreferenceStore fPreferences;
-
- /**
- * Creates a new default spell-checker.
- *
- * @param store
- * The preference store for this spell-checker
- */
- public DefaultSpellChecker(final IPreferenceStore store) {
- fPreferences = store;
- }
-
- /*
- * @see org.eclipse.spelling.done.ISpellChecker#addDictionary(org.eclipse.spelling.done.ISpellDictionary)
- */
- public final void addDictionary(final ISpellDictionary dictionary) {
- // synchronizing is necessary as this is a write access
- fDictionaries.add(dictionary);
- }
-
- /*
- * @see org.eclipse.spelling.done.ISpellChecker#addListener(org.eclipse.spelling.done.ISpellEventListener)
- */
- public final void addListener(final ISpellEventListener listener) {
- // synchronizing is necessary as this is a write access
- fListeners.add(listener);
- }
-
- /*
- * @see net.sourceforge.phpdt.ui.text.spelling.engine.ISpellChecker#acceptsWords()
- */
- public boolean acceptsWords() {
- // synchronizing might not be needed here since acceptWords is
- // a read-only access and only called in the same thread as
- // the modifing methods add/checkWord (?)
- Set copy;
- synchronized (fDictionaries) {
- copy = new HashSet(fDictionaries);
- }
-
- ISpellDictionary dictionary = null;
- for (final Iterator iterator = copy.iterator(); iterator.hasNext();) {
-
- dictionary = (ISpellDictionary) iterator.next();
- if (dictionary.acceptsWords())
- return true;
- }
- return false;
- }
-
- /*
- * @see net.sourceforge.phpdt.internal.ui.text.spelling.engine.ISpellChecker#addWord(java.lang.String)
- */
- public void addWord(final String word) {
- // synchronizing is necessary as this is a write access
- Set copy;
- synchronized (fDictionaries) {
- copy = new HashSet(fDictionaries);
- }
-
- final String addable = word.toLowerCase();
- fIgnored.add(addable);
-
- ISpellDictionary dictionary = null;
- for (final Iterator iterator = copy.iterator(); iterator.hasNext();) {
-
- dictionary = (ISpellDictionary) iterator.next();
- dictionary.addWord(addable);
- }
- }
-
- /*
- * @see net.sourceforge.phpdt.ui.text.spelling.engine.ISpellChecker#checkWord(java.lang.String)
- */
- public final void checkWord(final String word) {
- // synchronizing is necessary as this is a write access
- fIgnored.remove(word.toLowerCase());
- }
-
- /*
- * @see org.eclipse.spelling.done.ISpellChecker#execute(org.eclipse.spelling.ISpellCheckTokenizer)
- */
- public void execute(final ISpellCheckIterator iterator) {
-
- final boolean ignoreDigits = fPreferences
- .getBoolean(ISpellCheckPreferenceKeys.SPELLING_IGNORE_DIGITS);
- final boolean ignoreMixed = fPreferences
- .getBoolean(ISpellCheckPreferenceKeys.SPELLING_IGNORE_MIXED);
- final boolean ignoreSentence = fPreferences
- .getBoolean(ISpellCheckPreferenceKeys.SPELLING_IGNORE_SENTENCE);
- final boolean ignoreUpper = fPreferences
- .getBoolean(ISpellCheckPreferenceKeys.SPELLING_IGNORE_UPPER);
- final boolean ignoreURLS = fPreferences
- .getBoolean(ISpellCheckPreferenceKeys.SPELLING_IGNORE_URLS);
-
- String word = null;
- boolean starts = false;
-
- while (iterator.hasNext()) {
-
- word = (String) iterator.next();
- if (word != null) {
-
- // synchronizing is necessary as this is called inside the
- // reconciler
- if (!fIgnored.contains(word)) {
-
- starts = iterator.startsSentence();
- if (!isCorrect(word)) {
-
- boolean isMixed = isMixedCase(word, true);
- boolean isUpper = isUpperCase(word);
- boolean isDigits = isDigits(word);
- boolean isURL = isUrl(word);
-
- if (!ignoreMixed && isMixed || !ignoreUpper && isUpper
- || !ignoreDigits && isDigits || !ignoreURLS
- && isURL
- || !(isMixed || isUpper || isDigits || isURL))
- fireEvent(new SpellEvent(this, word, iterator
- .getBegin(), iterator.getEnd(), starts,
- false));
-
- } else {
-
- if (!ignoreSentence && starts
- && Character.isLowerCase(word.charAt(0)))
- fireEvent(new SpellEvent(this, word, iterator
- .getBegin(), iterator.getEnd(), true, true));
- }
- }
- }
- }
- }
-
- /**
- * Fires the specified event.
- *
- * @param event
- * Event to fire
- */
- protected final void fireEvent(final ISpellEvent event) {
- // synchronizing is necessary as this is called from execute
- Set copy;
- synchronized (fListeners) {
- copy = new HashSet(fListeners);
- }
- for (final Iterator iterator = copy.iterator(); iterator.hasNext();) {
- ((ISpellEventListener) iterator.next()).handle(event);
- }
- }
-
- /*
- * @see org.eclipse.spelling.done.ISpellChecker#getProposals(java.lang.String,boolean)
- */
- public Set getProposals(final String word, final boolean sentence) {
-
- // synchronizing might not be needed here since getProposals is
- // a read-only access and only called in the same thread as
- // the modifing methods add/removeDictionary (?)
- Set copy;
- synchronized (fDictionaries) {
- copy = new HashSet(fDictionaries);
- }
-
- ISpellDictionary dictionary = null;
- final HashSet proposals = new HashSet();
-
- for (final Iterator iterator = copy.iterator(); iterator.hasNext();) {
-
- dictionary = (ISpellDictionary) iterator.next();
- proposals.addAll(dictionary.getProposals(word, sentence));
- }
- return proposals;
- }
-
- /*
- * @see net.sourceforge.phpdt.internal.ui.text.spelling.engine.ISpellChecker#ignoreWord(java.lang.String)
- */
- public final void ignoreWord(final String word) {
- // synchronizing is necessary as this is a write access
- fIgnored.add(word.toLowerCase());
- }
-
- /*
- * @see net.sourceforge.phpdt.internal.ui.text.spelling.engine.ISpellChecker#isCorrect(java.lang.String)
- */
- public final boolean isCorrect(final String word) {
- // synchronizing is necessary as this is called from execute
- Set copy;
- synchronized (fDictionaries) {
- copy = new HashSet(fDictionaries);
- }
-
- if (fIgnored.contains(word.toLowerCase()))
- return true;
-
- ISpellDictionary dictionary = null;
- for (final Iterator iterator = copy.iterator(); iterator.hasNext();) {
-
- dictionary = (ISpellDictionary) iterator.next();
- if (dictionary.isCorrect(word))
- return true;
- }
- return false;
- }
-
- /*
- * @see org.eclipse.spelling.done.ISpellChecker#removeDictionary(org.eclipse.spelling.done.ISpellDictionary)
- */
- public final void removeDictionary(final ISpellDictionary dictionary) {
- // synchronizing is necessary as this is a write access
- fDictionaries.remove(dictionary);
- }
-
- /*
- * @see org.eclipse.spelling.done.ISpellChecker#removeListener(org.eclipse.spelling.done.ISpellEventListener)
- */
- public final void removeListener(final ISpellEventListener listener) {
- // synchronizing is necessary as this is a write access
- fListeners.remove(listener);
- }
-}
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