rf-web/vendor/bundle/gems/sassc-2.2.1/lib/sassc/native.rb

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2019-10-21 08:18:17 +00:00
# frozen_string_literal: true
require "ffi"
module SassC
module Native
extend FFI::Library
dl_ext = (RbConfig::CONFIG['host_os'] =~ /darwin/ ? 'bundle' : 'so')
begin
ffi_lib File.expand_path("libsass.#{dl_ext}", __dir__)
rescue LoadError # Some non-rvm environments don't copy a shared object over to lib/sassc
ffi_lib File.expand_path("libsass.#{dl_ext}", "#{__dir__}/../../ext")
end
require_relative "native/sass_value"
typedef :pointer, :sass_options_ptr
typedef :pointer, :sass_context_ptr
typedef :pointer, :sass_file_context_ptr
typedef :pointer, :sass_data_context_ptr
typedef :pointer, :sass_c_function_list_ptr
typedef :pointer, :sass_c_function_callback_ptr
typedef :pointer, :sass_value_ptr
typedef :pointer, :sass_import_list_ptr
typedef :pointer, :sass_importer
typedef :pointer, :sass_import_ptr
callback :sass_c_function, [:pointer, :pointer], :pointer
callback :sass_c_import_function, [:pointer, :pointer, :pointer], :pointer
require_relative "native/sass_input_style"
require_relative "native/sass_output_style"
require_relative "native/string_list"
require_relative "native/lib_c"
# Remove the redundant "sass_" from the beginning of every method name
def self.attach_function(*args)
return super if args.size != 3
if args[0] =~ /^sass_/
args.unshift args[0].to_s.sub(/^sass_/, "")
end
super(*args)
end
# https://github.com/ffi/ffi/wiki/Examples#array-of-strings
def self.return_string_array(ptr)
ptr.null? ? [] : ptr.get_array_of_string(0).compact
end
def self.native_string(string)
string = "#{string}\0"
data = Native::LibC.malloc(string.bytesize)
data.write_string(string)
data
end
require_relative "native/native_context_api"
require_relative "native/native_functions_api"
require_relative "native/sass2scss_api"
end
end