1 files changed, 154 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/StringTokenizer.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/StringTokenizer.java
new file mode 100644
index 00000000..7addf310
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/StringTokenizer.java
@@ -0,0 +1,154 @@
+/*
+ *  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 areas separated
+ * by white space, or by a specified list of
+ * delim characters. Behaves like java.util.StringTokenizer.
+ * If the stream starts with delim characters, the first
+ * token will be an empty string (unless the treat delims
+ * as tokens flag is set).
+ * @since Ant 1.7
+ */
+public class StringTokenizer extends ProjectComponent implements Tokenizer {
+    private static final int NOT_A_CHAR = -2;
+    private String intraString = "";
+    private int    pushed = NOT_A_CHAR;
+    private char[] delims = null;
+    private boolean delimsAreTokens = false;
+    private boolean suppressDelims = false;
+    private boolean includeDelims = false;
+
+    /**
+     * attribute delims - the delimiter characters
+     * @param delims a string containing the delimiter characters
+     */
+    public void setDelims(String delims) {
+        this.delims = StringUtils.resolveBackSlash(delims).toCharArray();
+    }
+
+    /**
+     * attribute delimsaretokens - treat delimiters as
+     * separate tokens.
+     * @param delimsAreTokens true if delimiters are to be separate
+     */
+
+    public void setDelimsAreTokens(boolean delimsAreTokens) {
+        this.delimsAreTokens = delimsAreTokens;
+    }
+    /**
+     * attribute suppressdelims - suppress delimiters.
+     * default - false
+     * @param suppressDelims if true do not report delimiters
+     */
+    public void setSuppressDelims(boolean suppressDelims) {
+        this.suppressDelims = suppressDelims;
+    }
+
+    /**
+     * attribute includedelims - treat delimiters as part
+     * of the token.
+     * default - false
+     * @param includeDelims if true add delimiters to the token
+     */
+    public void setIncludeDelims(boolean includeDelims) {
+        this.includeDelims = includeDelims;
+    }
+
+    /**
+     * find and return the next token
+     *
+     * @param in the input stream
+     * @return the token
+     * @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;
+        }
+        boolean inToken = true;
+        intraString = "";
+        StringBuffer word = new StringBuffer();
+        StringBuffer padding = new StringBuffer();
+        while (ch != -1) {
+            char c = (char) ch;
+            boolean isDelim = isDelim(c);
+            if (inToken) {
+                if (isDelim) {
+                    if (delimsAreTokens) {
+                        if (word.length() == 0) {
+                            word.append(c);
+                        } else {
+                            pushed = ch;
+                        }
+                        break;
+                    }
+                    padding.append(c);
+                    inToken = false;
+                } else {
+                    word.append(c);
+                }
+            } else {
+                if (isDelim) {
+                    padding.append(c);
+                } else {
+                    pushed = ch;
+                    break;
+                }
+            }
+            ch = in.read();
+        }
+        intraString = padding.toString();
+        if (includeDelims) {
+            word.append(intraString);
+        }
+        return word.toString();
+    }
+
+    /**
+     * @return the intratoken string
+     */
+    public String getPostToken() {
+        return suppressDelims || includeDelims ? "" : intraString;
+    }
+
+    private boolean isDelim(char ch) {
+        if (delims == null) {
+            return Character.isWhitespace(ch);
+        }
+        for (int i = 0; i < delims.length; ++i) {
+            if (delims[i] == ch) {
+                return true;
+            }
+        }
+        return false;
+    }
+}