Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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from __future__ import generators
import os
import re
import stat
# This takes a DOS filename wildcard like *abc.t?t and returns a regex string that will match it.
def GetRegExForDOSWildcard( wildcard ):
# First find the base directory name.
iLast = wildcard.rfind( "/" )
if iLast == -1:
iLast = wildcard.rfind( "\\" )
if iLast == -1:
dirName = "."
dosStyleWildcard = wildcard
else:
dirName = wildcard[0:iLast]
dosStyleWildcard = wildcard[iLast+1:]
# Now generate a regular expression for the search.
# DOS -> RE
# * -> .*
# . -> \.
# ? -> .
reString = dosStyleWildcard.replace( ".", r"\." ).replace( "*", ".*" ).replace( "?", "." ) + r'\Z'
return reString
#
# Useful function to return a list of files in a directory based on a dos-style wildcard like "*.txt"
#
# for name in WildcardSearch( "d:/hl2/src4/dt*.cpp", 1 ):
# print name
#
def WildcardSearch( wildcard, bRecurse=0 ):
reString = GetRegExForDOSWildcard( wildcard )
matcher = re.compile( reString, re.IGNORECASE )
return __GetFiles_R( matcher, dirName, bRecurse )
def __GetFiles_R( matcher, dirName, bRecurse ):
fileList = []
# For each file, see if we can find the regular expression.
files = os.listdir( dirName )
for baseName in files:
filename = dirName + "/" + baseName
mode = os.stat( filename )[stat.ST_MODE]
if stat.S_ISREG( mode ):
# Make sure the file matches the search string.
if matcher.match( baseName ):
fileList.append( filename )
elif bRecurse and stat.S_ISDIR( mode ):
fileList += __GetFiles_R( matcher, filename, bRecurse )
return fileList