| /* |
| * 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.codeInsight.editorActions; |
| |
| import com.intellij.psi.tree.TokenSet; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.openapi.editor.highlighter.HighlighterIterator; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.editor.Document; |
| |
| public class SimpleTokenSetQuoteHandler implements QuoteHandler { |
| protected final TokenSet myLiteralTokenSet; |
| |
| public SimpleTokenSetQuoteHandler(IElementType... _literalTokens) { |
| this(TokenSet.create(_literalTokens)); |
| } |
| |
| public SimpleTokenSetQuoteHandler(TokenSet tokenSet) { |
| myLiteralTokenSet = tokenSet; |
| } |
| |
| @Override |
| public boolean isClosingQuote(HighlighterIterator iterator, int offset) { |
| final IElementType tokenType = iterator.getTokenType(); |
| |
| if (myLiteralTokenSet.contains(tokenType)){ |
| int start = iterator.getStart(); |
| int end = iterator.getEnd(); |
| return end - start >= 1 && offset == end - 1; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public boolean isOpeningQuote(HighlighterIterator iterator, int offset) { |
| if (myLiteralTokenSet.contains(iterator.getTokenType())){ |
| int start = iterator.getStart(); |
| return offset == start; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public boolean hasNonClosedLiteral(Editor editor, HighlighterIterator iterator, int offset) { |
| int start = iterator.getStart(); |
| try { |
| Document doc = editor.getDocument(); |
| CharSequence chars = doc.getCharsSequence(); |
| int lineEnd = doc.getLineEndOffset(doc.getLineNumber(offset)); |
| |
| while (!iterator.atEnd() && iterator.getStart() < lineEnd) { |
| IElementType tokenType = iterator.getTokenType(); |
| |
| if (myLiteralTokenSet.contains(tokenType)) { |
| if (isNonClosedLiteral(iterator, chars)) return true; |
| } |
| iterator.advance(); |
| } |
| } |
| finally { |
| while(iterator.atEnd() || iterator.getStart() != start) iterator.retreat(); |
| } |
| |
| return false; |
| } |
| |
| protected boolean isNonClosedLiteral(HighlighterIterator iterator, CharSequence chars) { |
| if (iterator.getStart() >= iterator.getEnd() - 1 || |
| chars.charAt(iterator.getEnd() - 1) != '\"' && chars.charAt(iterator.getEnd() - 1) != '\'') { |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean isInsideLiteral(HighlighterIterator iterator) { |
| return myLiteralTokenSet.contains(iterator.getTokenType()); |
| } |
| } |