| /* |
| * Copyright 2000-2013 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.ide.highlighter.custom.tokens; |
| |
| import com.intellij.psi.tree.IElementType; |
| |
| /** |
| * @author dsl |
| */ |
| public abstract class PrefixedTokenParser extends TokenParser { |
| private final char[] myPrefix; |
| private final IElementType myTokenType; |
| |
| public PrefixedTokenParser(String prefix, IElementType tokenType) { |
| myTokenType = tokenType; |
| myPrefix = prefix.toCharArray(); |
| } |
| |
| @Override |
| public boolean hasToken(int position) { |
| final int start = position; |
| int i; |
| for (i = 0; i < myPrefix.length && position < myEndOffset; i++, position++) { |
| if (myPrefix[i] != myBuffer.charAt(position)) break; |
| } |
| if (i < myPrefix.length) return false; |
| int end = getTokenEnd(position); |
| myTokenInfo.updateData(start, end, myTokenType); |
| return true; |
| } |
| |
| protected abstract int getTokenEnd(int position); |
| } |