/*
* Copyright 2012-2014 Sergey Ignatov
*
* 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 org.intellij.erlang;
import com.intellij.codeInsight.editorActions.SimpleTokenSetQuoteHandler;
import com.intellij.openapi.editor.highlighter.HighlighterIterator;
import com.intellij.psi.TokenType;
public class ErlangQuoteHandler extends SimpleTokenSetQuoteHandler {
public ErlangQuoteHandler() {
super(ErlangTypes.ERL_STRING, ErlangTypes.ERL_SINGLE_QUOTE, TokenType.BAD_CHARACTER);
}
@Override
public boolean isOpeningQuote(HighlighterIterator iterator, int offset) {
if(iterator.getTokenType() == ErlangTypes.ERL_SINGLE_QUOTE) {
iterator.retreat();
boolean isAtomBefore = !iterator.atEnd() && iterator.getTokenType() == ErlangTypes.ERL_ATOM_NAME;
iterator.retreat();
boolean atomStartsFromQuote = !iterator.atEnd() && iterator.getTokenType() == ErlangTypes.ERL_SINGLE_QUOTE;
iterator.advance();
iterator.advance();
return !isAtomBefore || !atomStartsFromQuote;
}
return super.isOpeningQuote(iterator, offset);
}
}