cef/tools/make_cpptoc_header.py

116 lines
3.5 KiB
Python

# Copyright (c) 2011 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 cef_parser import *
def make_cpptoc_header(header, clsname):
cls = header.get_class(clsname)
if cls is None:
raise Exception('Class does not exist: '+clsname)
dllside = cls.is_library_side()
directory = cls.get_file_directory()
defname = ''
if not directory is None:
defname += directory + '_'
defname += get_capi_name(clsname[3:], False)
defname = defname.upper()
capiname = cls.get_capi_name()
result = get_copyright()
result += '#ifndef CEF_LIBCEF_DLL_CPPTOC_'+defname+'_CPPTOC_H_\n'+ \
'#define CEF_LIBCEF_DLL_CPPTOC_'+defname+'_CPPTOC_H_\n' + \
'#pragma once\n'
if dllside:
result += """
#ifndef BUILDING_CEF_SHARED
#pragma message("Warning: "__FILE__" may be accessed DLL-side only")
#else // BUILDING_CEF_SHARED
"""
else:
result += """
#ifndef USING_CEF_SHARED
#pragma message("Warning: "__FILE__" may be accessed wrapper-side only")
#else // USING_CEF_SHARED
"""
# include the headers for this class
result += '\n#include "include/'+cls.get_file_name()+'"\n' \
'#include "include/capi/'+cls.get_capi_file_name()+'"\n'
# include headers for any forward declared classes that are not in the same file
declares = cls.get_forward_declares()
for declare in declares:
dcls = header.get_class(declare)
if dcls.get_file_name() != cls.get_file_name():
result += '#include "include/'+dcls.get_file_name()+'"\n' \
'#include "include/capi/'+dcls.get_capi_file_name()+'"\n'
result += """#include "libcef_dll/cpptoc/cpptoc.h"
// Wrap a C++ class with a C structure.
"""
if dllside:
result += '// This class may be instantiated and accessed DLL-side only.\n'
else:
result += '// This class may be instantiated and accessed wrapper-side only.\n'
result += 'class '+clsname+'CppToC\n'+ \
' : public CefCppToC<'+clsname+'CppToC, '+clsname+', '+capiname+'> {\n'+ \
' public:\n'+ \
' '+clsname+'CppToC();\n'+ \
'};\n\n'
if dllside:
result += '#endif // BUILDING_CEF_SHARED\n'
else:
result += '#endif // USING_CEF_SHARED\n'
result += '#endif // CEF_LIBCEF_DLL_CPPTOC_'+defname+'_CPPTOC_H_'
return wrap_code(result)
def write_cpptoc_header(header, clsname, dir, backup):
# give the output file the same directory offset as the input file
cls = header.get_class(clsname)
dir = os.path.dirname(os.path.join(dir, cls.get_file_name()))
file = os.path.join(dir, get_capi_name(clsname[3:], False)+'_cpptoc.h')
if path_exists(file):
oldcontents = read_file(file)
else:
oldcontents = ''
newcontents = make_cpptoc_header(header, clsname)
if newcontents != oldcontents:
if backup and oldcontents != '':
backup_file(file)
write_file(file, newcontents)
return True
return False
# test the module
if __name__ == "__main__":
import sys
# verify that the correct number of command-line arguments are provided
if len(sys.argv) < 3:
sys.stderr.write('Usage: '+sys.argv[0]+' <infile> <classname>')
sys.exit()
# create the header object
header = obj_header()
header.add_file(sys.argv[1])
# dump the result to stdout
sys.stdout.write(make_cpptoc_header(header, sys.argv[2]))