1 files changed, 98 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/JakartaOroRegexp.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/JakartaOroRegexp.java
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index 00000000..529a78ae
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/JakartaOroRegexp.java
@@ -0,0 +1,98 @@
+/*
+ *  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 org.apache.oro.text.regex.Perl5Substitution;
+import org.apache.oro.text.regex.Substitution;
+import org.apache.oro.text.regex.Util;
+import org.apache.tools.ant.BuildException;
+
+/***
+ * Regular expression implementation using the Jakarta Oro package
+ */
+public class JakartaOroRegexp extends JakartaOroMatcher implements Regexp {
+
+    private static final int DECIMAL = 10;
+
+    /** Constructor for JakartaOroRegexp */
+    public JakartaOroRegexp() {
+        super();
+    }
+
+    /**
+     * Perform a substitution on the regular expression.
+     * @param input The string to substitute on
+     * @param argument The string which defines the substitution
+     * @param options The list of options for the match and replace.
+     * @return the result of the operation
+     * @throws BuildException on error
+     */
+    public String substitute(final String input, final String argument, final int options)
+        throws BuildException {
+        // translate \1 to $1 so that the Perl5Substitution will work
+        final StringBuffer subst = new StringBuffer();
+        for (int i = 0; i < argument.length(); i++) {
+            char c = argument.charAt(i);
+            if (c == '$') {
+                subst.append('\\');
+                subst.append('$');
+            } else if (c == '\\') {
+                if (++i < argument.length()) {
+                    c = argument.charAt(i);
+                    final int value = Character.digit(c, DECIMAL);
+                    if (value > -1) {
+                        subst.append("$").append(value);
+                    } else {
+                        subst.append(c);
+                    }
+                } else {
+                    // TODO - should throw an exception instead?
+                    subst.append('\\');
+                }
+            } else {
+                subst.append(c);
+            }
+        }
+
+        // Do the substitution
+        final Substitution s =
+            new Perl5Substitution(subst.toString(),
+                                  Perl5Substitution.INTERPOLATE_ALL);
+        return Util.substitute(matcher,
+                               getCompiledPattern(options),
+                               s,
+                               input,
+                               getSubsOptions(options));
+    }
+
+    /**
+     * Convert ant regexp substitution option to oro options.
+     *
+     * @param options the ant regexp options
+     * @return the oro substition options
+     */
+    protected int getSubsOptions(final int options) {
+        final boolean replaceAll = RegexpUtil.hasFlag(options, REPLACE_ALL);
+        int subsOptions = 1;
+        if (replaceAll) {
+            subsOptions = Util.SUBSTITUTE_ALL;
+        }
+        return subsOptions;
+    }
+
+}