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- /*
- * Copyright (C) 2010, Red Hat Inc.
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- package org.eclipse.jgit.attributes;
-
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.InputStreamReader;
- import java.util.ArrayList;
- import java.util.Collections;
- import java.util.List;
-
- import org.eclipse.jgit.lib.Constants;
-
- /**
- * Represents a bundle of attributes inherited from a base directory.
- *
- * This class is not thread safe, it maintains state about the last match.
- *
- * @since 3.7
- */
- public class AttributesNode {
- /** The rules that have been parsed into this node. */
- private final List<AttributesRule> rules;
-
- /** Create an empty ignore node with no rules. */
- public AttributesNode() {
- rules = new ArrayList<AttributesRule>();
- }
-
- /**
- * Create an ignore node with given rules.
- *
- * @param rules
- * list of rules.
- **/
- public AttributesNode(List<AttributesRule> rules) {
- this.rules = rules;
- }
-
- /**
- * Parse files according to gitattribute standards.
- *
- * @param in
- * input stream holding the standard ignore format. The caller is
- * responsible for closing the stream.
- * @throws IOException
- * Error thrown when reading an ignore file.
- */
- public void parse(InputStream in) throws IOException {
- BufferedReader br = asReader(in);
- String txt;
- while ((txt = br.readLine()) != null) {
- txt = txt.trim();
- if (txt.length() > 0 && !txt.startsWith("#") /* Comments *///$NON-NLS-1$
- && !txt.startsWith("!") /* Negative pattern forbidden for attributes */) { //$NON-NLS-1$
- int patternEndSpace = txt.indexOf(' ');
- int patternEndTab = txt.indexOf('\t');
-
- final int patternEnd;
- if (patternEndSpace == -1)
- patternEnd = patternEndTab;
- else if (patternEndTab == -1)
- patternEnd = patternEndSpace;
- else
- patternEnd = Math.min(patternEndSpace, patternEndTab);
-
- if (patternEnd > -1)
- rules.add(new AttributesRule(txt.substring(0, patternEnd),
- txt.substring(patternEnd + 1).trim()));
- }
- }
- }
-
- private static BufferedReader asReader(InputStream in) {
- return new BufferedReader(new InputStreamReader(in, Constants.CHARSET));
- }
-
- /** @return list of all ignore rules held by this node. */
- public List<AttributesRule> getRules() {
- return Collections.unmodifiableList(rules);
- }
-
- }
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