/*
* 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.lang.BracePair;
import com.intellij.lang.PairedBraceMatcher;
import com.intellij.psi.PsiFile;
import com.intellij.psi.TokenType;
import com.intellij.psi.tree.IElementType;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class ErlangBraceMatcher implements PairedBraceMatcher {
private static final BracePair[] PAIRS = new BracePair[]{
new BracePair(ErlangTypes.ERL_PAR_LEFT, ErlangTypes.ERL_PAR_RIGHT, false),
new BracePair(ErlangTypes.ERL_CURLY_LEFT, ErlangTypes.ERL_CURLY_RIGHT, false),
new BracePair(ErlangTypes.ERL_BRACKET_LEFT, ErlangTypes.ERL_BRACKET_RIGHT, false),
new BracePair(ErlangTypes.ERL_BIN_START, ErlangTypes.ERL_BIN_END, true),
new BracePair(ErlangTypes.ERL_IF, ErlangTypes.ERL_END, true),
new BracePair(ErlangTypes.ERL_CASE, ErlangTypes.ERL_END, true),
new BracePair(ErlangTypes.ERL_BEGIN, ErlangTypes.ERL_END, true),
new BracePair(ErlangTypes.ERL_TRY, ErlangTypes.ERL_END, true),
new BracePair(ErlangTypes.ERL_FUN, ErlangTypes.ERL_END, true),
new BracePair(ErlangTypes.ERL_RECEIVE, ErlangTypes.ERL_END, true),
};
@Override
public BracePair[] getPairs() {
return PAIRS;
}
@Override
public boolean isPairedBracesAllowedBeforeType(@NotNull IElementType lbraceType, @Nullable IElementType type) {
return TokenType.WHITE_SPACE == type
|| ErlangParserDefinition.COMMENTS.contains(type)
|| type == ErlangTypes.ERL_SEMI
|| type == ErlangTypes.ERL_COMMA
|| type == ErlangTypes.ERL_DOT
|| type == ErlangTypes.ERL_PAR_RIGHT
|| type == ErlangTypes.ERL_BRACKET_RIGHT
|| type == ErlangTypes.ERL_CURLY_RIGHT
|| null == type;
}
@Override
public int getCodeConstructStart(PsiFile file, int openingBraceOffset) {
return openingBraceOffset;
}
}