cef/tools/make_config_header.py

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# Copyright (c) 2019 The Chromium Embedded Framework Authors. All rights
# reserved. Use of this source code is governed by a BSD-style license that
# can be found in the LICENSE file.
from __future__ import absolute_import
from date_util import *
from file_util import *
from optparse import OptionParser
import sys
# cannot be loaded as a module
if __name__ != "__main__":
sys.stderr.write('This file cannot be loaded as a module!')
sys.exit()
# parse command-line options
disc = """
This utility creates the config header file.
"""
parser = OptionParser(description=disc)
parser.add_option(
'--header',
dest='header',
metavar='FILE',
help='output config header file [required]')
parser.add_option(
'--cef_gn_config',
dest='cef_gn_config',
metavar='FILE',
help='input CEF gn config file [required]')
parser.add_option(
'-q',
'--quiet',
action='store_true',
dest='quiet',
default=False,
help='do not output detailed status information')
(options, args) = parser.parse_args()
# the header option is required
if options.header is None or options.cef_gn_config is None:
parser.print_help(sys.stdout)
sys.exit()
def check_x11_build(gn_config):
""" Scan gn configuration file and decide whether it's x11 build or not """
lines = read_file(gn_config).split("\n")
for line in lines:
parts = line.split('=', 1)
if (parts[0] == "use_x11" and
parts[1] == "false") or (parts[0] == "use_ozone" and
parts[1] == "true"):
return False
return True
def write_config_header(header, cef_gn_config):
""" Creates the header file for the cef build configuration
if the information has changed or if the file doesn't already exist. """
if not path_exists(cef_gn_config):
raise Exception('file ' + cef_gn_config + ' does not exist.')
if path_exists(header):
oldcontents = read_file(header)
else:
oldcontents = ''
year = get_year()
cef_x11_defines = "#define CEF_X11 1" if check_x11_build(
cef_gn_config) else ""
newcontents = '// Copyright (c) '+year+' Marshall A. Greenblatt. All rights reserved.\n'+\
'//\n'+\
'// Redistribution and use in source and binary forms, with or without\n'+\
'// modification, are permitted provided that the following conditions are\n'+\
'// met:\n'+\
'//\n'+\
'// * Redistributions of source code must retain the above copyright\n'+\
'// notice, this list of conditions and the following disclaimer.\n'+\
'// * Redistributions in binary form must reproduce the above\n'+\
'// copyright notice, this list of conditions and the following disclaimer\n'+\
'// in the documentation and/or other materials provided with the\n'+\
'// distribution.\n'+\
'// * Neither the name of Google Inc. nor the name Chromium Embedded\n'+\
'// Framework nor the names of its contributors may be used to endorse\n'+\
'// or promote products derived from this software without specific prior\n'+\
'// written permission.\n'+\
'//\n'+\
'// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n'+\
'// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n'+\
'// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n'+\
'// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n'+\
'// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n'+\
'// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n'+\
'// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n'+\
'// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n'+\
'// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n'+\
'// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n'+\
'// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n'+\
'//\n'+\
'// ---------------------------------------------------------------------------\n'+\
'//\n'+\
'// This file is generated by the make_config_header.py tool.\n'+\
'//\n\n'+\
'#ifndef CEF_INCLUDE_CEF_CONFIG_H_\n'+\
'#define CEF_INCLUDE_CEF_CONFIG_H_\n\n'+\
'' + cef_x11_defines + '\n'+\
'#endif // CEF_INCLUDE_CEF_CONFIG_H_\n'
if newcontents != oldcontents:
write_file(header, newcontents)
return True
return False
written = write_config_header(options.header, options.cef_gn_config)
if not options.quiet:
if written:
sys.stdout.write('File ' + options.header + ' updated.\n')
else:
sys.stdout.write('File ' + options.header + ' is already up to date.\n')