px4-firmware/Tools/px4params/scanner.py

35 lines
1.1 KiB
Python

import os
import re
class Scanner(object):
"""
Traverses directory tree, reads all source files, and passes their contents
to the Parser.
"""
re_file_extension = re.compile(r'\.([^\.]+)$')
def ScanDir(self, srcdir, parser):
"""
Scans provided path and passes all found contents to the parser using
parser.Parse method.
"""
extensions = set(parser.GetSupportedExtensions())
for dirname, dirnames, filenames in os.walk(srcdir):
for filename in filenames:
m = self.re_file_extension.search(filename)
if m:
ext = m.group(1)
if ext in 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 open(path, 'r') as f:
contents = f.read()
parser.Parse(contents)