1 files changed, 153 insertions, 0 deletions
diff --git a/3rdparty/granite/git/object/raw.php b/3rdparty/granite/git/object/raw.php
new file mode 100644
index 00000000000..56f363c37b2
--- /dev/null
+++ b/3rdparty/granite/git/object/raw.php
@@ -0,0 +1,153 @@
+<?php
+/**
+ * Raw - provides a raw Git object
+ *
+ * PHP version 5.3
+ *
+ * @category Git
+ * @package  Granite
+ * @author   Craig Roberts <craig0990@googlemail.com>
+ * @license  http://www.opensource.org/licenses/mit-license.php MIT Expat License
+ * @link     http://craig0990.github.com/Granite/
+ */
+
+namespace Granite\Git\Object;
+use \InvalidArgumentException as InvalidArgumentException;
+
+/**
+ * Raw represents a raw Git object, using Index to locate
+ * packed objects.
+ *
+ * @category Git
+ * @package  Granite
+ * @author   Craig Roberts <craig0990@googlemail.com>
+ * @license  http://www.opensource.org/licenses/mit-license.php MIT Expat License
+ * @link     http://craig0990.github.com/Granite/
+ */
+class Raw
+{
+    /**
+     * Integer values for Git objects
+     * @see http://book.git-scm.com/7_the_packfile.html
+     */
+    const OBJ_COMMIT = 1;
+    const OBJ_TREE = 2;
+    const OBJ_BLOB = 3;
+    const OBJ_TAG = 4;
+    const OBJ_OFS_DELTA = 6;
+    const OBJ_REF_DELTA = 7;
+
+    /**
+     * The SHA-1 id of the requested object
+     */
+    protected $sha;
+    /**
+     * The type of the requested object (see class constants)
+     */
+    protected $type;
+    /**
+     * The binary string content of the requested object
+     */
+    protected $content;
+
+    /**
+     * Returns an instance of a raw Git object
+     *
+     * @param string $path The path to the repository root
+     * @param string $sha  The SHA-1 id of the requested object
+     *
+     * @return Packed|Loose
+     */
+    public static function factory($path, $sha)
+    {
+        $loose_path = $path
+                      . 'objects/'
+                      . substr($sha, 0, 2)
+                      . '/'
+                      . substr($sha, 2);
+        if (file_exists($loose_path)) {
+            return new Loose($path, $sha);
+        } else {
+            return self::_findPackedObject($path, $sha);
+        }
+    }
+
+    /**
+     * Returns the raw content of the Git object requested
+     *
+     * @return string Raw object content
+     */
+    public function content()
+    {
+        return $this->content;
+    }
+
+    /**
+     * Returns the size of the Git object
+     *
+     * @return int The size of the object in bytes
+     */
+    public function size()
+    {
+        return strlen($this->content);
+    }
+
+    /**
+     * Returns the type of the object as either commit, tag, blob or tree
+     *
+     * @return string The object type
+     */
+    public function type()
+    {
+        return $this->type;
+    }
+
+    /**
+     * Searches a packfile for the SHA id and reads the object from the packfile
+     *
+     * @param string $path The path to the repository
+     * @param string $sha  The SHA-1 id of the object being requested
+     *
+     * @throws \InvalidArgumentException
+     * @return array An array containing the type, size and object data
+     */
+    private static function _findPackedObject($path, $sha)
+    {
+        $packfiles = glob(
+            $path
+            . 'objects'
+            . DIRECTORY_SEPARATOR
+            . 'pack'
+            . DIRECTORY_SEPARATOR
+            . 'pack-*.pack'
+        );
+
+        $offset = false;
+        foreach ($packfiles as $packfile) {
+            $packname = substr(basename($packfile, '.pack'), 5);
+            $idx = new Index($path, $packname);
+            $offset = $idx->find($sha);
+
+            if ($offset !== false) {
+                break; // Found it
+            }
+        }
+
+        if ($offset == false) {
+            throw new InvalidArgumentException("Could not find packed object $sha");
+        }
+
+        $packname = $path
+            . 'objects'
+            . DIRECTORY_SEPARATOR
+            . 'pack'
+            . DIRECTORY_SEPARATOR
+            . 'pack-' . $packname . '.pack';
+        $object = new Packed($packname, $offset);
+
+        return $object;
+    }
+
+}
+
+?>