1 files changed, 115 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/LineTokenizer.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/LineTokenizer.java
new file mode 100644
index 00000000..778606dd
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/LineTokenizer.java
@@ -0,0 +1,115 @@
+/*
+ *  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;
+
+import java.io.IOException;
+import java.io.Reader;
+
+import org.apache.tools.ant.ProjectComponent;
+
+/**
+ * class to tokenize the input as lines separated
+ * by \r (mac style), \r\n (dos/windows style) or \n (unix style)
+ * @since Ant 1.6
+ */
+public class LineTokenizer extends ProjectComponent
+    implements Tokenizer {
+    private static final int NOT_A_CHAR = -2;
+    private String  lineEnd = "";
+    private int     pushed = NOT_A_CHAR;
+    private boolean includeDelims = false;
+
+    /**
+     * attribute includedelims - whether to include
+     * the line ending with the line, or to return
+     * it in the posttoken
+     * default false
+     * @param includeDelims if true include /r and /n in the line
+     */
+
+    public void setIncludeDelims(boolean includeDelims) {
+        this.includeDelims = includeDelims;
+    }
+
+    /**
+     * get the next line from the input
+     *
+     * @param in the input reader
+     * @return the line excluding /r or /n, unless includedelims is set
+     * @exception IOException if an error occurs reading
+     */
+    public String getToken(Reader in) throws IOException {
+        int ch = -1;
+        if (pushed != NOT_A_CHAR) {
+            ch = pushed;
+            pushed = NOT_A_CHAR;
+        } else {
+            ch = in.read();
+        }
+        if (ch == -1) {
+            return null;
+        }
+
+        lineEnd = "";
+        StringBuffer line = new StringBuffer();
+
+        int state = 0;
+        while (ch != -1) {
+            if (state == 0) {
+                if (ch == '\r') {
+                    state = 1;
+                } else if (ch == '\n') {
+                    lineEnd = "\n";
+                    break;
+                } else {
+                    line.append((char) ch);
+                }
+            } else {
+                state = 0;
+                if (ch == '\n') {
+                    lineEnd = "\r\n";
+                } else {
+                    pushed = ch;
+                    lineEnd = "\r";
+                }
+                break;
+            }
+            ch = in.read();
+        }
+        if (ch == -1 && state == 1) {
+            lineEnd = "\r";
+        }
+
+        if (includeDelims) {
+            line.append(lineEnd);
+        }
+        return line.toString();
+    }
+
+    /**
+     * @return the line ending character(s) for the current line
+     */
+    public String getPostToken() {
+        if (includeDelims) {
+            return "";
+        }
+        return lineEnd;
+    }
+
+}
+