Rename Scanner and Parser classes to SourceScanner and SourceParser to avoid naming conflicts.

Tools/px4params/srcscanner.py

@@ -0,0 +1,30 @@
+import os
+import re
+import codecs
+
+class SourceScanner(object):
+    """
+    Traverses directory tree, reads all source files, and passes their contents
+    to the Parser.
+    """
+
+    def ScanDir(self, srcdir, parser):
+        """
+        Scans provided path and passes all found contents to the parser using
+        parser.Parse method.
+        """
+        extensions = tuple(parser.GetSupportedExtensions())
+        for dirname, dirnames, filenames in os.walk(srcdir):
+            for filename in filenames:
+                if filename.endswith(extensions):
+                        path = os.path.join(dirname, filename)
+                        self.ScanFile(path, parser)
+
+    def ScanFile(self, path, parser):
+        """
+        Scans provided file and passes its contents to the parser using
+        parser.Parse method.
+        """
+        with codecs.open(path, 'r', 'utf-8') as f:
+            contents = f.read()
+        parser.Parse(contents)