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/*******************************************************************************
* Copyright (c) 2000, 2020 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.core;
import org.eclipse.core.text.StringMatcher;
/**
* A string pattern matcher. Supports '*' and '?' wildcards.
*/
public class WildcardStringMatcher {
private final StringMatcher fMatcher;
private final boolean fPathPattern;
/**
* Constructs a wildcard matcher for a pattern that may contain '*' for 0 and
* many characters and '?' for exactly one character. Character matching is
* case-insensitive.
*
* Literal '*' and '?' characters must be escaped in the pattern e.g., "\*"
* means literal "*", etc.
*
* The escape character '\' is an escape only if followed by '*', '?', or '\'.
* All other occurrences are taken literally.
*
* If invoking the StringMatcher with string literals in Java, don't forget
* escape characters are represented by "\\".
*
* @param pattern the pattern to match text against
* @throws IllegalArgumentException if {@code pattern == null}
*/
public WildcardStringMatcher(String pattern) {
fMatcher = new StringMatcher(pattern, true, false);
fPathPattern = pattern.indexOf('/') != -1;
}
/**
* Determines whether the patterns contains a forward slash.
*
* @return {@code true} if the pattern contains a '/', {@code false} otherwise
*/
public boolean isPathPattern() {
return fPathPattern;
}
/**
* Determines whether the given {@code text} matches the pattern.
*
* @param text String to match; must not be {@code null}
* @return {@code true} if the whole {@code text} matches the pattern;
* {@code false} otherwise
* @throws IllegalArgumentException if {@code text == null}
*/
public boolean match(String text) {
return fMatcher.match(text);
}
}
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