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# Copyright Deniz Bahadir 2015
#
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
#
# See http://www.boost.org/libs/mpl for documentation.
# See http://stackoverflow.com/a/29627158/3115457 for further information.
import argparse
import sys
import os.path
import re
import fileinput
import datetime
import glob
def check_header_comment(filename):
"""Checks if the header-comment of the given file needs fixing."""
# Check input file.
name = os.path.basename( filename )
# Read content of input file.
sourcefile = open( filename, "r" )
content = sourcefile.read()
sourcefile.close()
# Search content for '$Id$'.
match = re.search(r'\$Id\$', content)
if match == None:
# Make sure that the correct value for '$Id$' was already set.
match = re.search(r'\$Id: ' + name + r'\s+[^$]+\$', content)
if match != None:
# The given file needs no fixing.
return False
# The given file needs fixing.
return True
def check_input_files_for_variadic_seq(headerDir, sourceDir):
"""Checks if files, used as input when pre-processing MPL-containers in their variadic form, need fixing."""
# Check input files in include/source-directories.
files = glob.glob( os.path.join( headerDir, "*.hpp" ) )
files += glob.glob( os.path.join( headerDir, "aux_", "*.hpp" ) )
files += glob.glob( os.path.join( sourceDir, "src", "*" ) )
for currentFile in sorted( files ):
if check_header_comment( currentFile ):
return True
return False
def check_input_files_for_numbered_seq(sourceDir, suffix, containers):
"""Check if files, used as input when pre-processing MPL-containers in their numbered form, need fixing."""
# Check input files for each MPL-container type.
for container in containers:
files = glob.glob( os.path.join( sourceDir, container, container + '*' + suffix ) )
for currentFile in sorted( files ):
if check_header_comment( currentFile ):
return True
return False
def check_input_files(headerDir, sourceDir, containers=['vector', 'list', 'set', 'map'],
seqType='both', verbose=False):
"""Checks if source- and header-files, used as input when pre-processing MPL-containers, need fixing."""
# Check the input files for containers in their variadic form.
result1 = False
if seqType == "both" or seqType == "variadic":
if verbose:
print("Check if input files for pre-processing Boost.MPL variadic containers need fixing.")
result1 = check_input_files_for_variadic_seq(headerDir, sourceDir)
if verbose:
if result1:
print(" At least one input file needs fixing!")
else:
print(" No input file needs fixing!")
# Check the input files for containers in their numbered form.
result2 = False
result3 = False
if seqType == "both" or seqType == "numbered":
if verbose:
print("Check input files for pre-processing Boost.MPL numbered containers.")
result2 = check_input_files_for_numbered_seq(headerDir, ".hpp", containers)
result3 = check_input_files_for_numbered_seq(sourceDir, ".cpp", containers)
if verbose:
if result2 or result3:
print(" At least one input file needs fixing!")
else:
print(" No input file needs fixing!")
# Return result.
return result1 or result2 or result3
def fix_header_comment(filename, timestamp):
"""Fixes the header-comment of the given file."""
# Fix input file.
name = os.path.basename( filename )
for line in fileinput.input( filename, inplace=1, mode="r" ):
# If header-comment already contains anything for '$Id$', remove it.
line = re.sub(r'\$Id:[^$]+\$', r'$Id$', line.rstrip())
# Replace '$Id$' by a string containing the file's name (and a timestamp)!
line = re.sub(re.escape(r'$Id$'), r'$Id: ' + name + r' ' + timestamp.isoformat() + r' $', line.rstrip())
print(line)
def fix_input_files_for_variadic_seq(headerDir, sourceDir, timestamp):
"""Fixes files used as input when pre-processing MPL-containers in their variadic form."""
# Fix files in include/source-directories.
files = glob.glob( os.path.join( headerDir, "*.hpp" ) )
files += glob.glob( os.path.join( headerDir, "aux_", "*.hpp" ) )
files += glob.glob( os.path.join( sourceDir, "src", "*" ) )
for currentFile in sorted( files ):
fix_header_comment( currentFile, timestamp )
def fix_input_files_for_numbered_seq(sourceDir, suffix, timestamp, containers):
"""Fixes files used as input when pre-processing MPL-containers in their numbered form."""
# Fix input files for each MPL-container type.
for container in containers:
files = glob.glob( os.path.join( sourceDir, container, container + '*' + suffix ) )
for currentFile in sorted( files ):
fix_header_comment( currentFile, timestamp )
def fix_input_files(headerDir, sourceDir, containers=['vector', 'list', 'set', 'map'],
seqType='both', verbose=False):
"""Fixes source- and header-files used as input when pre-processing MPL-containers."""
# The new modification time.
timestamp = datetime.datetime.now();
# Fix the input files for containers in their variadic form.
if seqType == "both" or seqType == "variadic":
if verbose:
print("Fix input files for pre-processing Boost.MPL variadic containers.")
fix_input_files_for_variadic_seq(headerDir, sourceDir, timestamp)
# Fix the input files for containers in their numbered form.
if seqType == "both" or seqType == "numbered":
if verbose:
print("Fix input files for pre-processing Boost.MPL numbered containers.")
fix_input_files_for_numbered_seq(headerDir, ".hpp", timestamp, containers)
fix_input_files_for_numbered_seq(sourceDir, ".cpp", timestamp, containers)
def to_existing_absolute_path(string):
"""Converts a path into its absolute path and verifies that it exists or throws an exception."""
value = os.path.abspath(string)
if not os.path.exists( value ) or not os.path.isdir( value ):
msg = '"%r" is not a valid path to a directory.' % string
raise argparse.ArgumentTypeError(msg)
return value
def main():
"""The main function."""
# Prepare and run cmdline-parser.
cmdlineParser = argparse.ArgumentParser(
description="Fixes the input files used for pre-processing of Boost.MPL headers.")
cmdlineParser.add_argument("-v", "--verbose", dest='verbose', action='store_true',
help="Be a little bit more verbose.")
cmdlineParser.add_argument("--check-only", dest='checkonly', action='store_true',
help="Only checks if fixing is required.")
cmdlineParser.add_argument(dest='sourceDir', metavar="<source-dir>",
type=to_existing_absolute_path,
help="The source-directory of Boost.")
args = cmdlineParser.parse_args()
# Some verbose debug output.
if args.verbose:
print("Arguments extracted from command-line:")
print(" verbose = ", args.verbose)
print(" check-only = ", args.checkonly)
print(" source directory = ", args.sourceDir)
# The directories for header- and source files of Boost.MPL.
# NOTE: Assuming 'args.sourceDir' is the source-directory of the entire boost project.
headerDir = os.path.join( args.sourceDir, "boost", "mpl" )
sourceDir = os.path.join( args.sourceDir, "libs", "mpl", "preprocessed" )
# Check that the header/source-directories exist.
if not os.path.exists( headerDir ) or not os.path.exists( sourceDir ):
# Maybe 'args.sourceDir' is not the source-directory of the entire boost project
# but instead of the Boost.MPL git-directory, only?
headerDir = os.path.join( args.sourceDir, "include", "boost", "mpl" )
sourceDir = os.path.join( args.sourceDir, "preprocessed" )
if not os.path.exists( headerDir ) or not os.path.exists( sourceDir ):
cmdlineParser.print_usage()
print("error: Cannot find Boost.MPL header/source files in given Boost source-directory!")
sys.exit(0)
# Some verbose debug output.
if args.verbose:
print("Chosen header-directory: ", headerDir)
print("Chosen source-directory: ", sourceDir)
if args.checkonly:
# Check input files for generating pre-processed headers.
result = check_input_files(headerDir, sourceDir, verbose = args.verbose)
if result:
print("Fixing the input-files used for pre-processing of Boost.MPL headers IS required.")
else:
print("Fixing the input-files used for pre-processing of Boost.MPL headers is NOT required.")
else:
# Fix input files for generating pre-processed headers.
fix_input_files(headerDir, sourceDir, verbose = args.verbose)
if __name__ == '__main__':
main()
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