1 files changed, 161 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/JakartaRegexpMatcher.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/JakartaRegexpMatcher.java
new file mode 100644
index 00000000..3e14415d
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/JakartaRegexpMatcher.java
@@ -0,0 +1,161 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You 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.apache.tools.ant.util.regexp;
+
+import java.util.Vector;
+import org.apache.regexp.RE;
+import org.apache.regexp.RESyntaxException;
+import org.apache.tools.ant.BuildException;
+
+/**
+ * Implementation of RegexpMatcher for Jakarta-Regexp.
+ *
+ */
+public class JakartaRegexpMatcher implements RegexpMatcher {
+
+    private String pattern;
+
+    /**
+     * Set the regexp pattern from the String description.
+     * @param pattern the pattern to match
+     */
+    public void setPattern(String pattern) {
+        this.pattern = pattern;
+    }
+
+    /**
+     * Get a String representation of the regexp pattern
+     * @return the pattern
+     */
+    public String getPattern() {
+        return pattern;
+    }
+
+    /**
+     * Compile the pattern.
+     *
+     * @param options the ant regexp options
+     * @return a compiled pattern
+     * @exception BuildException if an error occurs
+     */
+    protected RE getCompiledPattern(int options)
+        throws BuildException {
+        int cOptions = getCompilerOptions(options);
+        try {
+            RE reg = new RE(pattern);
+            reg.setMatchFlags(cOptions);
+            return reg;
+        } catch (RESyntaxException e) {
+            throw new BuildException(e);
+        }
+    }
+
+    /**
+     * Does the given argument match the pattern?
+     * @param argument the string to match against
+     * @return true if the pattern matches
+     * @throws BuildException on error
+     */
+    public boolean matches(String argument) throws BuildException {
+        return matches(argument, MATCH_DEFAULT);
+    }
+
+    /**
+     * Does the given argument match the pattern?
+     * @param input the string to match against
+     * @param options the regex options to use
+     * @return true if the pattern matches
+     * @throws BuildException on error
+     */
+    public boolean matches(String input, int options)
+        throws BuildException {
+        return matches(input, getCompiledPattern(options));
+    }
+
+    private boolean matches(String input, RE reg) {
+        return reg.match(input);
+    }
+
+    /**
+     * Returns a Vector of matched groups found in the argument
+     * using default options.
+     *
+     * <p>Group 0 will be the full match, the rest are the
+     * parenthesized subexpressions</p>.
+     *
+     * @param argument the string to match against
+     * @return the vector of groups
+     * @throws BuildException on error
+     */
+    public Vector getGroups(String argument) throws BuildException {
+        return getGroups(argument, MATCH_DEFAULT);
+    }
+
+    /**
+     * Returns a Vector of matched groups found in the argument.
+     *
+     * <p>Group 0 will be the full match, the rest are the
+     * parenthesized subexpressions</p>.
+     *
+     * @param input the string to match against
+     * @param options the regex options to use
+     * @return the vector of groups
+     * @throws BuildException on error
+     */
+    public Vector getGroups(String input, int options)
+        throws BuildException {
+        RE reg = getCompiledPattern(options);
+        if (!matches(input, reg)) {
+            return null;
+        }
+        Vector v = new Vector();
+        int cnt = reg.getParenCount();
+        for (int i = 0; i < cnt; i++) {
+            String match = reg.getParen(i);
+            // treat non-matching groups as empty matches
+            if (match == null) {
+                match = "";
+            }
+            v.addElement(match);
+        }
+        return v;
+    }
+
+    /**
+     * Convert the generic options to the regex compiler specific options.
+     * @param options the generic options
+     * @return the specific options
+     */
+    protected int getCompilerOptions(int options) {
+        int cOptions = RE.MATCH_NORMAL;
+
+        if (RegexpUtil.hasFlag(options, MATCH_CASE_INSENSITIVE)) {
+            cOptions |= RE.MATCH_CASEINDEPENDENT;
+        }
+        if (RegexpUtil.hasFlag(options, MATCH_MULTILINE)) {
+            cOptions |= RE.MATCH_MULTILINE;
+        }
+        if (RegexpUtil.hasFlag(options, MATCH_SINGLELINE)) {
+            cOptions |= RE.MATCH_SINGLELINE;
+        }
+
+        return cOptions;
+    }
+
+}