1 files changed, 105 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/Jdk14RegexpRegexp.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/Jdk14RegexpRegexp.java
new file mode 100644
index 00000000..3ca80706
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/regexp/Jdk14RegexpRegexp.java
@@ -0,0 +1,105 @@
+/*
+ *  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.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.apache.tools.ant.BuildException;
+
+/***
+ * Regular expression implementation using the JDK 1.4 regular expression package
+ */
+public class Jdk14RegexpRegexp extends Jdk14RegexpMatcher implements Regexp {
+
+    private static final int DECIMAL = 10;
+
+    /** Constructor for Jdk14RegexpRegexp */
+    public Jdk14RegexpRegexp() {
+        super();
+    }
+
+    /**
+     * Convert ant regexp substitution option to jdk1.4 options.
+     *
+     * @param options the ant regexp options
+     * @return the jdk14 substition options
+     */
+    protected int getSubsOptions(int options) {
+        int subsOptions = REPLACE_FIRST;
+        if (RegexpUtil.hasFlag(options, REPLACE_ALL)) {
+            subsOptions = REPLACE_ALL;
+        }
+        return subsOptions;
+    }
+
+    /**
+     * 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(String input, String argument, int options)
+        throws BuildException {
+        // translate \1 to $(1) so that the Matcher will work
+        StringBuffer subst = new StringBuffer();
+        for (int i = 0; i < argument.length(); i++) {
+            char c = argument.charAt(i);
+            if (c == '$') {
+                subst.append('\\');
+                subst.append('$');
+            } else if (c == '\\') {
+                if (++i < argument.length()) {
+                    c = argument.charAt(i);
+                    int value = Character.digit(c, DECIMAL);
+                    if (value > -1) {
+                        subst.append("$").append(value);
+                    } else {
+                        subst.append(c);
+                    }
+                } else {
+                    // TODO - should throw an exception instead?
+                    subst.append('\\');
+                }
+            } else {
+                subst.append(c);
+            }
+        }
+        argument = subst.toString();
+
+        int sOptions = getSubsOptions(options);
+        Pattern p = getCompiledPattern(options);
+        StringBuffer sb = new StringBuffer();
+
+        Matcher m = p.matcher(input);
+        if (RegexpUtil.hasFlag(sOptions, REPLACE_ALL)) {
+            sb.append(m.replaceAll(argument));
+        } else {
+            boolean res = m.find();
+            if (res) {
+                m.appendReplacement(sb, argument);
+                m.appendTail(sb);
+            } else {
+                sb.append(input);
+            }
+        }
+        return sb.toString();
+    }
+}