1 files changed, 41 insertions, 0 deletions
diff --git a/plugins/python/androperms/reader.py b/plugins/python/androperms/reader.py
new file mode 100644
index 0000000..f126850
--- /dev/null
+++ b/plugins/python/androperms/reader.py
@@ -0,0 +1,41 @@
+#!/usr/bin/python -u
+# -*- coding: utf-8 -*-
+
+
+from struct import unpack
+
+
+class AXMLReader():
+    """Provide various read helpers."""
+
+    def __init__(self, data):
+
+        self._data = data
+
+        self._position = 0
+        self._length = len(self._data)
+
+
+    def readInt(self):
+        """Read a 4-bytes value."""
+
+        self.skipInt()
+
+        value = unpack('<L', self._data[self._position - 4 : self._position])[0]
+
+        return value
+
+
+    def skipInt(self):
+        """Skip a 4-bytes value."""
+
+        self._position += 4
+
+        if self._position > self._length:
+            raise Exception("Reader out of bound (%d > %d)!" % (self._position, self._length))
+
+
+    def readIntArray(self, length):
+        """Read an array composed of 4-bytes values."""
+
+        return [ self.readInt() for i in range(0, length) ]