| /******************************************************************************* |
| * Copyright (c) 2009 Red Hat Inc. and others. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Alexander Kurtakov - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.dltk.sh.internal.ui.text; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.text.rules.EndOfLineRule; |
| import org.eclipse.jface.text.rules.IPredicateRule; |
| import org.eclipse.jface.text.rules.IRule; |
| import org.eclipse.jface.text.rules.RuleBasedPartitionScanner; |
| import org.eclipse.jface.text.rules.SingleLineRule; |
| import org.eclipse.jface.text.rules.Token; |
| |
| public class ShellPartitionScanner extends RuleBasedPartitionScanner { |
| |
| public ShellPartitionScanner() { |
| super(); |
| |
| List<IRule> rules = new ArrayList<>(); |
| // Add rule for single line comments. |
| rules.add(new EndOfLineRule("#!", new Token(IShellPartitions.HASHBANG_CONTENT_TYPE))); |
| /* |
| * There are 2 comment rules in order to correctly support # in |
| * variables. |
| */ |
| // This rule recognizes only comments starting from the beginning of |
| // line. |
| EndOfLineRule commentRule = new EndOfLineRule("#", new Token(IShellPartitions.COMMENT_CONTENT_TYPE)); |
| commentRule.setColumnConstraint(0); |
| rules.add(commentRule); |
| // This rule recognizes only comments which has space in front of it |
| commentRule = new EndOfLineRule(" #", new Token(IShellPartitions.COMMENT_CONTENT_TYPE)); |
| rules.add(commentRule); |
| commentRule = new EndOfLineRule("\t#", new Token(IShellPartitions.COMMENT_CONTENT_TYPE)); |
| rules.add(commentRule); |
| |
| rules.add(new DollarBraceCountingRule('(', ')', new Token(IShellPartitions.EVAL_CONTENT_TYPE), '\\')); |
| rules.add(new DollarBraceCountingRule('{', '}', new Token(IShellPartitions.PARAM_CONTENT_TYPE), '\\')); |
| rules.add(new SingleLineRule("`", "`", new Token(IShellPartitions.EVAL_CONTENT_TYPE), '\\', false, true)); |
| rules.add(new SingleLineRule("\"", "\"", new Token(IShellPartitions.DOUBLE_QUOTE_CONTENT_TYPE), '\\', false, |
| true)); |
| rules.add( |
| new SingleLineRule("'", "'", new Token(IShellPartitions.SINGLE_QUOTE_CONTENT_TYPE), '\\', false, true)); |
| |
| IPredicateRule[] result = new IPredicateRule[rules.size()]; |
| rules.toArray(result); |
| setPredicateRules(result); |
| } |
| |
| } |