| /* |
| * 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.CustomHighlighterTokenType; |
| import com.intellij.psi.tree.IElementType; |
| |
| /** |
| * @author dsl |
| */ |
| public class IdentifierParser extends TokenParser { |
| private final KeywordParser myKeywordParser; |
| |
| public IdentifierParser(KeywordParser keywordParser) { |
| myKeywordParser = keywordParser; |
| } |
| |
| @Override |
| public boolean hasToken(int position) { |
| if (!Character.isJavaIdentifierStart(myBuffer.charAt(position))) return false; |
| final int start = position; |
| for (position++; position < myEndOffset; position++) { |
| if (!isIdentifierPart(position)) break; |
| } |
| IElementType tokenType = CustomHighlighterTokenType.IDENTIFIER; |
| myTokenInfo.updateData(start, position, tokenType); |
| return true; |
| } |
| |
| private boolean isIdentifierPart(int position) { |
| if (myBuffer.charAt(position) == '-') return !myKeywordParser.hasToken(position, myBuffer, null); |
| return KeywordParser.isWordPart(position, myBuffer); |
| } |
| } |