px4-firmware/Tools/px4moduledoc/srcscanner.py

51 lines
1.8 KiB
Python

#! /usr/bin/env python3
import os
import re
import codecs
import sys
class SourceScanner(object):
"""
Traverses directory tree, reads all source files, and passes their contents
to the Parser.
"""
def ScanDir(self, srcdirs, parser):
"""
Scans provided path and passes all found contents to the parser using
parser.Parse method.
"""
extensions = tuple([".cpp", ".c"])
for srcdir in srcdirs:
for dirname, dirnames, filenames in os.walk(srcdir):
for filename in filenames:
if filename.endswith(extensions):
path = os.path.join(dirname, filename)
try:
if not self.ScanFile(path, parser):
return False
except:
print(("Exception in file %s" % path))
raise
return True
def ScanFile(self, path, parser):
"""
Scans provided file and passes its contents to the parser using
parser.Parse method.
"""
# Extract the scope: it is the directory within the repo. Either it
# starts directly with 'src/module/abc', or it has the form 'x/y/z/src/module/abc'.
# The output is 'module/abc' in both cases.
prefix = "^(|.*" + os.path.sep + ")src" + os.path.sep
scope = re.sub(prefix.replace("\\", "/"), "", os.path.dirname(os.path.relpath(path)).replace("\\", "/"))
with codecs.open(path, 'r', 'utf-8') as f:
try:
contents = f.read()
except:
contents = ''
print(('Failed reading file: %s, skipping content.' % path))
pass
return parser.Parse(scope, contents)