cef/tools/translator.py

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# Copyright (c) 2009 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.
import sys
from cef_parser import *
from make_capi_header import *
from make_cpptoc_header import *
from make_cpptoc_impl import *
from make_ctocpp_header import *
from make_ctocpp_impl import *
from optparse import OptionParser
# 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 generates files for the CEF C++ to C API translation layer.
"""
parser = OptionParser(description=disc)
parser.add_option('--cpp-header', dest='cppheader', metavar='FILE',
help='source CEF C++ header file [required]')
parser.add_option('--capi-header', dest='capiheader', metavar='FILE',
help='output CEF C API header file')
parser.add_option('--cpptoc-dir', dest='cpptocdir', metavar='DIR',
help='input/output directory for CppToC translations')
parser.add_option('--ctocpp-dir', dest='ctocppdir', metavar='DIR',
help='input/output directory for CppToC translations')
parser.add_option('--no-cpptoc-header',
action='store_true', dest='nocpptocheader', default=False,
help='do not output the CppToC headers')
parser.add_option('--no-cpptoc-impl',
action='store_true', dest='nocpptocimpl', default=False,
help='do not output the CppToC implementations')
parser.add_option('--no-ctocpp-header',
action='store_true', dest='noctocppheader', default=False,
help='do not output the CToCpp headers')
parser.add_option('--no-ctocpp-impl',
action='store_true', dest='noctocppimpl', default=False,
help='do not output the CToCpp implementations')
parser.add_option('--no-backup',
action='store_true', dest='nobackup', default=False,
help='do not create a backup of modified files')
parser.add_option('-c', '--classes', dest='classes', action='append',
help='only translate the specified classes')
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 cppheader option is required
if options.cppheader is None:
parser.print_help(sys.stdout)
sys.exit()
# make sure the header exists
if not path_exists(options.cppheader):
sys.stderr.write('File '+options.cppheader+' does not exist.')
sys.exit()
# create the header object
if not options.quiet:
sys.stdout.write('Parsing '+options.cppheader+'...\n')
header = obj_header(options.cppheader)
writect = 0
if not options.capiheader is None:
#output the C API header
if not options.quiet:
sys.stdout.write('Generating C API header...\n')
writect += write_capi_header(header, options.capiheader,
not options.nobackup)
# build the list of classes to parse
allclasses = header.get_class_names()
if not options.classes is None:
for cls in options.classes:
if not cls in allclasses:
sys.stderr.write('ERROR: Unknown class: '+cls)
sys.exit()
classes = options.classes
else:
classes = allclasses
classes = sorted(classes)
if not options.cpptocdir is None:
#output CppToC files
if not options.quiet:
sys.stdout.write('In CppToC directory '+options.cpptocdir+'...\n')
for cls in classes:
if not options.nocpptocheader:
if not options.quiet:
sys.stdout.write('Generating '+cls+'CppToC header...\n')
writect += write_cpptoc_header(header, cls, options.cpptocdir,
not options.nobackup)
if not options.nocpptocimpl:
if not options.quiet:
sys.stdout.write('Generating '+cls+'CppToC implementation...\n')
writect += write_cpptoc_impl(header, cls, options.cpptocdir,
not options.nobackup)
if not options.ctocppdir is None:
#output CppToC files
if not options.quiet:
sys.stdout.write('In CToCpp directory '+options.ctocppdir+'...\n')
for cls in classes:
if not options.nocpptocheader:
if not options.quiet:
sys.stdout.write('Generating '+cls+'CToCpp header...\n')
writect += write_ctocpp_header(header, cls, options.ctocppdir,
not options.nobackup)
if not options.nocpptocimpl:
if not options.quiet:
sys.stdout.write('Generating '+cls+'CToCpp implementation...\n')
writect += write_ctocpp_impl(header, cls, options.ctocppdir,
not options.nobackup)
if not options.quiet:
sys.stdout.write('Done - Wrote '+str(writect)+' files.\n')