| /* |
| * Copyright 2006 Sascha Weinreuter |
| * |
| * 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.lang.regexp; |
| |
| import com.intellij.lexer.FlexAdapter; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.EnumSet; |
| |
| public class RegExpLexer extends FlexAdapter { |
| |
| private static final int COMMENT_MODE = 1 << 14; |
| private final EnumSet<RegExpCapability> myCapabilities; |
| |
| public RegExpLexer(EnumSet<RegExpCapability> capabilities) { |
| super(new _RegExLexer(capabilities)); |
| myCapabilities = capabilities; |
| } |
| |
| public void start(@NotNull CharSequence buffer, int startOffset, int endOffset, int initialState) { |
| getFlex().commentMode = (initialState & COMMENT_MODE) != 0 || myCapabilities.contains(RegExpCapability.COMMENT_MODE); |
| super.start(buffer, startOffset, endOffset, initialState & ~COMMENT_MODE); |
| } |
| |
| public _RegExLexer getFlex() { |
| return (_RegExLexer)super.getFlex(); |
| } |
| |
| public int getState() { |
| final boolean commentMode = getFlex().commentMode; |
| final int state = super.getState(); |
| return commentMode ? state | COMMENT_MODE : state; |
| } |
| } |