1 files changed, 95 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/filters/StripWhitespace.php b/buildscripts/phing/classes/phing/filters/StripWhitespace.php
new file mode 100755
index 00000000..d7b6113f
--- /dev/null
+++ b/buildscripts/phing/classes/phing/filters/StripWhitespace.php
@@ -0,0 +1,95 @@
+<?php
+
+/*
+ *  $Id $
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information please see
+ * <http://phing.info>.
+*/
+
+include_once 'phing/filters/BaseFilterReader.php';
+include_once 'phing/filters/ChainableReader.php';
+
+/**
+ * Strips whitespace from [php] files using PHP stripwhitespace() method.
+ * 
+ * @author    Hans Lellelid, hans@velum.net
+ * @version   $Id$
+ * @see       FilterReader
+ * @package   phing.filters
+ * @todo -c use new PHP functions to perform this instead of regex.
+ */
+class StripWhitespace extends BaseFilterReader implements ChainableReader {
+    
+    private $processed = false;
+    
+    /**
+     * Returns the  stream without Php comments and whitespace.
+     * 
+     * @return the resulting stream, or -1
+     *         if the end of the resulting stream has been reached
+     * 
+     * @throws IOException if the underlying stream throws an IOException
+     *                        during reading     
+     */
+    function read($len = null) {
+    
+        if ($this->processed === true) {
+            return -1; // EOF
+        }
+        
+        // Read XML
+        $php = null;
+        while ( ($buffer = $this->in->read($len)) !== -1 ) {
+            $php .= $buffer;
+        }
+        
+        if ($php === null ) { // EOF?
+            return -1;
+        }
+        
+        if(empty($php)) {
+            $this->log("PHP file is empty!", Project::MSG_WARN);
+            return ''; // return empty string, don't attempt to strip whitespace
+        }
+                
+        // write buffer to a temporary file, since php_strip_whitespace() needs a filename
+        $file = new PhingFile(tempnam(PhingFile::getTempDir(), 'stripwhitespace'));
+        file_put_contents($file->getAbsolutePath(), $php);
+        $output = php_strip_whitespace($file->getAbsolutePath());
+        unlink($file->getAbsolutePath());
+        
+        $this->processed = true;
+        
+        return $output;
+    }
+
+    /**
+     * Creates a new StripWhitespace using the passed in
+     * Reader for instantiation.
+     * 
+     * @param reader A Reader object providing the underlying stream.
+     *               Must not be <code>null</code>.
+     * 
+     * @return a new filter based on this configuration, but filtering
+     *         the specified reader
+     */
+    public function chain(Reader $reader) {
+        $newFilter = new StripWhitespace($reader);
+        $newFilter->setProject($this->getProject());        
+        return $newFilter;
+    }
+}