added ClassmapClearTask

README.md

@@ -49,6 +49,20 @@ Generate a classmap for the directory `foo/library` (and its subdirectories), sa
 </project>
 ```
 
+## ClassmapClearTask
+
+Clear the classmap file `foo/autoload_classmap.php`, i.e. set it to `return array();`.
+
+```xml
+<project>
+    <target>
+        <includepath classpath="vendor/heartsentwined/phing-task/src/task" />
+        <taskdef name="classmap-clear" classname="ClassmapClearTask" />
+        <classmap-clear file="foo/autoload_classmap.php" />
+    </target>
+</project>
+```
+
 ## RchownTask
 
 Recursively [chown](http://php.net/manual/en/function.chown.php) the directory `foo/src`, along with all its subdirectories and files, to the user `foouser` and group `foogroup`.

src/task/ClassmapClearTask.php

@@ -0,0 +1,64 @@
+<?php
+require_once __DIR__ . '/../../../../autoload.php';
+
+use Zend\File\ClassFileLocator;
+
+class ClassmapClearTask extends Task
+{
+    protected $file;
+    protected $failonerror = false;
+
+    /**
+     * classmap file
+     *
+     * @param string $file
+     * @return void
+     */
+    public function setFile($file)
+    {
+        touch($file);
+        $this->file = realpath($file);
+    }
+
+    /**
+     * if error occured, whether build should fail
+     *
+     * @param bool $value
+     * @return void
+     */
+    public function setFailonerror($value)
+    {
+        $this->failonerror = $value;
+    }
+
+    /**
+     * init
+     *
+     * @return void
+     */
+    public function init()
+    {
+    }
+
+    /**
+     * main method
+     *
+     * @return void
+     */
+    public function main()
+    {
+        $this->log(sprintf('Clearing classmap file %s', $this->file));
+
+        // Create a file with the class/file map.
+        // Stupid syntax highlighters make separating < from PHP declaration necessary
+        $content = '<' . "?php\n"
+                 . "// Auto-generated by Phing, using ZF2's classmap generator\n"
+                 . '// Generation time: ' . date(DATE_RFC2822) . "\n"
+                 . 'return array();';
+
+        // Write the contents to disk
+        file_put_contents($this->file, $content);
+
+        $this->log(sprintf('Cleared classmap file at %s', $this->file));
+    }
+}