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retrieving the word list in less LOC

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This commit is contained in:
peter
2011-07-05 19:35:45 +02:00
parent 5d0d975820
commit 579d911b60
2 changed files with 20 additions and 54 deletions
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platform/lang-impl/src/com/intellij/codeInsight/completion/WordCompletionContributor.java
+20 -2
View File
@@ -21,15 +21,17 @@ import com.intellij.lang.ASTNode;
import com.intellij.lang.LanguageWordCompletion;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.DumbService;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PlainTextTokenTypes;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiReference;
import com.intellij.psi.filters.getters.AllWordsGetter;
import com.intellij.psi.impl.cache.impl.id.IdTableBuilding;
import com.intellij.psi.tree.IElementType;
import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Set;
import static com.intellij.patterns.StandardPatterns.character;
@@ -54,7 +56,7 @@ public class WordCompletionContributor extends CompletionContributor implements
startOffset,
character().javaIdentifierPart().andNot(character().equalTo('$')),
character().javaIdentifierStart()));
for (final String word : AllWordsGetter.getAllWords(insertedElement, startOffset)) {
for (final String word : getAllWords(insertedElement, startOffset)) {
if (!excludes.contains(word)) {
final LookupElement item = LookupElementBuilder.create(word);
javaResultSet.addElement(item);
@@ -106,4 +108,20 @@ public class WordCompletionContributor extends CompletionContributor implements
return false;
}
public static Set<String> getAllWords(final PsiElement context, final int offset) {
final Set<String> words = new LinkedHashSet<String>();
if (StringUtil.isEmpty(CompletionUtil.findJavaIdentifierPrefix(context, offset))) {
return words;
}
final CharSequence chars = context.getContainingFile().getViewProvider().getContents(); // ??
IdTableBuilding.scanWords(new IdTableBuilding.ScanWordProcessor() {
public void run(final CharSequence chars, final int start, final int end) {
if (start > offset || offset > end) {
words.add(chars.subSequence(start, end).toString());
}
}
}, chars, 0, chars.length());
return words;
}
}
platform/lang-impl/src/com/intellij/psi/filters/getters/AllWordsGetter.java
-52
View File
@@ -1,52 +0,0 @@
/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* 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.intellij.psi.filters.getters;
import com.intellij.codeInsight.completion.CompletionContext;
import com.intellij.codeInsight.completion.CompletionUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PsiElement;
import com.intellij.psi.filters.ContextGetter;
import com.intellij.psi.impl.cache.impl.id.IdTableBuilding;
import com.intellij.util.ArrayUtil;
import java.util.ArrayList;
import java.util.List;
public class AllWordsGetter implements ContextGetter {
public Object[] get(final PsiElement context, final CompletionContext completionContext) {
final int offset = completionContext.getStartOffset();
return getAllWords(context, offset);
}
public static String[] getAllWords(final PsiElement context, final int offset) {
if (StringUtil.isEmpty(CompletionUtil.findJavaIdentifierPrefix(context, offset))) {
return ArrayUtil.EMPTY_STRING_ARRAY;
}
final CharSequence chars = context.getContainingFile().getViewProvider().getContents(); // ??
final List<String> objs = new ArrayList<String>();
IdTableBuilding.scanWords(new IdTableBuilding.ScanWordProcessor() {
public void run(final CharSequence chars, final int start, final int end) {
if (start > offset || offset > end) {
objs.add(chars.subSequence(start, end).toString());
}
}
}, chars, 0, chars.length());
return ArrayUtil.toStringArray(objs);
}
}