From c3c2f50948bb67de1d09c5e3db399c8fb55b8c72 Mon Sep 17 00:00:00 2001
From: Jukka Lauri Zitting <jukka@apache.org>
Date: Tue, 18 Mar 2008 22:18:07 +0000
Subject: [PATCH] TIKA-129: node() support for the streaming XPath utility

git-svn-id: https://svn.eu.apache.org/repos/asf/incubator/tika/trunk@638609 13f79535-47bb-0310-9956-ffa450edef68
---
 CHANGES.txt                                        |  2 ++
 .../org/apache/tika/sax/xpath/NodeMatcher.java     | 42 ++++++++++++++++++++++
 .../org/apache/tika/sax/xpath/XPathParser.java     |  2 ++
 3 files changed, 46 insertions(+)
 create mode 100644 src/main/java/org/apache/tika/sax/xpath/NodeMatcher.java

diff --git a/CHANGES.txt b/CHANGES.txt
index 4a37eb7..e1acf3c 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -24,6 +24,8 @@ Unreleased changes (0.2-incubating)
 
 10. TIKA-127 - Add support for Visio files (Jukka Zitting)
 
+11. TIKA-129 - node() support for the streaming XPath utility (Jukka Zitting)
+
 
 Release 0.1-incubating - 12/27/2007
 
diff --git a/src/main/java/org/apache/tika/sax/xpath/NodeMatcher.java b/src/main/java/org/apache/tika/sax/xpath/NodeMatcher.java
new file mode 100644
index 0000000..706ac2d
--- /dev/null
+++ b/src/main/java/org/apache/tika/sax/xpath/NodeMatcher.java
@@ -0,0 +1,42 @@
+/*
+ * 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.tika.sax.xpath;
+
+/**
+ * Final evaluation state of a <code>.../node()</code> XPath expression.
+ * Matches all elements, attributes, and text.
+ */
+public class NodeMatcher extends Matcher {
+
+    public static final Matcher INSTANCE = new NodeMatcher();
+
+    @Override
+    public boolean matchesElement() {
+        return true;
+    }
+
+    @Override
+    public boolean matchesAttribute(String namespace, String name) {
+        return true;
+    }
+
+    @Override
+    public boolean matchesText() {
+        return true;
+    }
+
+}
diff --git a/src/main/java/org/apache/tika/sax/xpath/XPathParser.java b/src/main/java/org/apache/tika/sax/xpath/XPathParser.java
index 65cd02d..8884672 100644
--- a/src/main/java/org/apache/tika/sax/xpath/XPathParser.java
+++ b/src/main/java/org/apache/tika/sax/xpath/XPathParser.java
@@ -58,6 +58,8 @@ public class XPathParser {
     public Matcher parse(String xpath) {
         if (xpath.equals("/text()")) {
             return TextMatcher.INSTANCE;
+        } else if (xpath.equals("/node()")) {
+            return NodeMatcher.INSTANCE;
         } else if (xpath.equals("/@*")) {
             return AttributeMatcher.INSTANCE;
         } else if (xpath.length() == 0) {
-- 
2.11.4.GIT