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#
# Author:: Kapil Chouhan <kapil.chouhan@msystechnologies.com>
# Copyright:: Copyright 2013-2020, Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require_relative "../api"
class Chef
module ReservedNames::Win32
module API
module CommandLineHelper
# extend Chef::ReservedNames::Win32
extend Chef::ReservedNames::Win32::API
###############################################
# Win32 API Bindings
###############################################
ffi_lib "Shell32"
=begin
LPWSTR * CommandLineToArgvW(
LPCWSTR lpCmdLine,
int *pNumArgs
);
=end
safe_attach_function :command_line_to_argv_w, :CommandLineToArgvW, %i{pointer pointer}, :pointer
ffi_lib "Kernel32"
=begin
LPSTR GetCommandLineA();
=end
safe_attach_function :get_command_line, :GetCommandLineA, [], :pointer
=begin
HLOCAL LocalFree(
_Frees_ptr_opt_ HLOCAL hMem
);
=end
safe_attach_function :local_free, :LocalFree, [:pointer], :pointer
###############################################
# Helpers
###############################################
# It takes the supplied string and splits it into an array.
def command_line_to_argv_w_helper(args)
arguments_list = []
argv = args.to_wstring
result = get_command_line
argc = FFI::MemoryPointer.new(:int)
# Parses a Unicode command line string
# It is return an array of pointers to the command line arguments.
# Along with a count of such arguments
result = command_line_to_argv_w(argv, argc)
str_ptr = result.read_pointer
offset = 0
number_of_agrs = argc.read_int
number_of_agrs.times do
new_str_pointer = str_ptr.+(offset)
argument = new_str_pointer.read_wstring
arguments_list << argument
offset = offset + argument.length * 2 + 2
end
local_free(result)
arguments_list
end
end
end
end
end
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