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#! /usr/bin/env ruby
# -*- coding: UTF-8 -*-
#
require 'efl/native/ecore_getopt'
#
module Efl
#
module EcoreGetopt
#
module Native
#
class Value < FFI::Union
layout :strp, :pointer,
:boolp, :eina_bool_p,
:shortp, :short_p,
:intp, :int_p,
:longp, :long_p,
:ushortp, :ushort_p,
:uintp, :uint_p,
:ulongp, :ulong_p,
:doublep, :double_p,
:listp, :eina_list_p,
:ptrp, :void_p
end
#
class DescStoreDef < FFI::Union
layout :strv, :pointer,
:boolv, :uchar,
:shortv, :short,
:intv, :int,
:longv, :long,
:ushortv, :ushort,
:uintv, :uint,
:ulongv, :ulong,
:doublev, :double
end
#
class DescStore < FFI::Struct
layout :type, :ecore_getopt_type, # enum
:arg_req, :ecore_getopt_desc_arg_requirement, # enum
:def, DescStoreDef
end
#
callback :ecore_getopt_desc_cb, [:ecore_getopt_p, :ecore_getopt_desc_p, :string, :pointer, :ecore_getopt_value_p ], :eina_bool
#
class DescCallback < FFI::Struct
layout :func, :ecore_getopt_desc_cb,
:data, :pointer,
:arg_req, :ecore_getopt_desc_arg_requirement, # enum
:def, :pointer
end
#
class ActionParam < FFI::Union
layout :store, DescStore,
:store_const, :pointer,
:choices, :pointer,
:append_type, :ecore_getopt_type, # enum
:callback, DescCallback,
:dummy, :pointer
end
#
class Desc < FFI::Struct
layout :shortname, :char,
:longname, :pointer,
:help, :pointer,
:metavar, :pointer,
:action, :ecore_getopt_action, # enum
:action_param, ActionParam
end
#
class EcoreGetopt < FFI::Struct
layout :prog, :pointer,
:usage, :pointer,
:version, :pointer,
:copyright, :pointer,
:license, :pointer,
:description, :pointer,
:strict, :char
# :descs, :pointer, # NULL terminated EcoreGetopt_Desc[]
def desc_ptr idx
Native::Desc.new to_ptr+Native::EcoreGetopt.size+(idx*Native::Desc.size)
end
end
end
#
class REcoreGetopt
def initialize desc
@ecore_getopt = nil
@desc = desc
@options = [
[ 0, FFI::Pointer::NULL, FFI::Pointer::NULL, FFI::Pointer::NULL, 0, {:dummy=>FFI::Pointer::NULL} ]
]
@values = [
[ :ptrp, FFI::Pointer::NULL ]
]
@refs = [] # to prevent FFI::MemoryPointer.from_string from beeing GC'ed
end
def p_from_string r
return r if r==FFI::Pointer::NULL
p = FFI::MemoryPointer.from_string r
@refs << p
p
end
private :p_from_string
def << o
@options.insert -2, o
end
def value type, ptr
@values.insert -2, [ type, ptr ]
end
def to_ptr
@ecore_getopt.to_ptr
end
def create
@ecore_getopt = Native::EcoreGetopt.new( FFI::MemoryPointer.new( :uchar, Native::EcoreGetopt.size+Native::Desc.size*@options.length) )
[:prog,:usage,:version,:copyright,:license,:description].each do |sym|
@ecore_getopt[sym] = ( @desc.has_key?(sym) ? FFI::MemoryPointer.from_string(@desc[sym]) : FFI::Pointer::NULL )
end
@ecore_getopt[:strict] = @desc[:strict] if @desc.has_key? :strict
@options.each_with_index do |o,i|
d = @ecore_getopt.desc_ptr i
d[:shortname] = o[0].to_s.bytes.first
d[:longname] = p_from_string o[1]
d[:help] = p_from_string o[2]
d[:metavar] = o[3]
d[:action] = o[4]
k, v = o[5]
case k
when :dummy
d[:action_param][:dummy] = v
when :callback
cb = d[:action_param][:callback]
cb[:func] = v[0]
cb[:data] = v[1]
cb[:arg_req] = v[2]
cb[:def] = v[3]
when :store
st = d[:action_param][:store]
st[:type] = v[0]
st[:arg_req] = v[1]
if not v[2].nil?
if v[2][0]==:strv
st[:def][:strv] = p_from_string v[2][1]
else
st[:def][v[2][0]] = v[2][1]
end
end
when :store_const
d[:action_param][:store_const] = v
when :choices
d[:action_param][:choices] = v
when :append
d[:action_param][:append_type] = v
else
d[:action_param][:dummy] = FFI::Pointer::NULL
end
end
@values_p = FFI::MemoryPointer.new Native::Value, @values.length, false
@values.each_with_index do |v,i|
Native::Value.new(@values_p+(i*Native::Value.size))[v[0]] = v[1]
end
end
def parse argv
ptr = FFI::MemoryPointer.new(:pointer, argv.length+1)
argv.each_with_index do |s, i|
ptr[i].put_pointer 0, p_from_string(s)
end
ptr[argv.length].put_pointer 0, FFI::Pointer::NULL
Native.ecore_getopt_parse @ecore_getopt, @values_p, argv.length, ptr
end
def store_full short, long, help, meta, type, arg_req, def_val
self << [ short, long, help, meta, :ecore_getopt_action_store, [:store, [type,arg_req, def_val] ] ]
end
def store short, long, help, type
store_full short, long, help, FFI::Pointer::NULL, type, :ecore_getopt_desc_arg_requirement_yes, nil
end
def store_type type, short, long, help
store short, long, help, ('ecore_getopt_type_'+type.to_s).to_sym
end
def store_metavar short, long, help, meta, type
store_full short, long, help, meta, type, :ecore_getopt_desc_arg_requirement_yes, nil
end
def store_meta_type type, short, long, help, meta
store_metavar short, long, help, meta, ('ecore_getopt_type_'+type.to_s).to_sym
end
def store_def short, long, help, type, def_val
store_full short, long, help, FFI::Pointer::NULL, type, :ecore_getopt_desc_arg_requirement_optional, def_val
end
def store_def_type type, short, long, help, def_val
store_def short, long, help, ('ecore_getopt_type_'+type.to_s).to_sym, [ (type.to_s+'v').to_sym, def_val ]
end
def store_full_type type, short, long, help, meta, arg_req, def_val
store_full short, long, help, meta, ('ecore_getopt_type_'+type.to_s).to_sym, arg_req, [ (type.to_s+'v').to_sym, def_val ]
end
def store_const short, long, help, value
self << [ short, long, help, FFI::Pointer::NULL, :ecore_getopt_action_store_const, [:store_const, value] ]
end
def store_true short, long, help
self << [ short, long, help, FFI::Pointer::NULL, :ecore_getopt_action_store_true, [:dummy,FFI::MemoryPointer::NULL] ]
end
def store_false short, long, help
self << [ short, long, help, FFI::Pointer::NULL, :ecore_getopt_action_store_false, [:dummy,FFI::MemoryPointer::NULL] ]
end
def choice short, long, help, choices
ptr = FFI::MemoryPointer.new(:pointer, choices.length+1)
choices.each_with_index do |s, i|
ptr[i].put_pointer 0, p_from_string(s)
end
ptr[choices.length].put_pointer 0, FFI::Pointer::NULL
self << [ short, long, help, FFI::Pointer::NULL, :ecore_getopt_action_choice, [:choices,ptr] ]
end
def choice_metavar short, long, help, meta, choices
ptr = FFI::MemoryPointer.new(:pointer, choices.length+1)
choices.each_with_index do |s, i|
ptr[i].put_pointer 0, p_from_string(s)
end
ptr[choices.length].put_pointer 0, FFI::Pointer::NULL
self << [ short, long, help, meta, :ecore_getopt_action_choice, [:choices,ptr] ]
end
def append short, long, help, sub_type
self << [ short, long, help, FFI::Pointer::NULL, :ecore_getopt_action_append, [:append,sub_type] ]
end
def append_metavar short, long, help, meta, sub_type
self << [ short, long, help, meta, :ecore_getopt_action_append, [:append,sub_type] ]
end
def count short, long, help
self << [ short, long, help, FFI::Pointer::NULL, :ecore_getopt_action_count, [:dummy,FFI::Pointer::NULL] ]
end
def callback_full short, long, help, meta, cb, data, arg_req, def_val
self << [ short, long, help, meta, :ecore_getopt_action_callback, [:callback, [cb, data, arg_req,def_val] ] ]
end
def callback_noargs short, long, help, cb, data
callback_full short, long, help, FFI::Pointer::NULL, cb, data, :ecore_getopt_desc_arg_requirement_no, FFI::Pointer::NULL
end
def callback_args short, long, help, meta, cb, data
callback_full short, long, help, meta, cb, data, :ecore_getopt_desc_arg_requirement_yes, FFI::Pointer::NULL
end
def help short, long
self << [ short, long, 'show this message.', FFI::Pointer::NULL, :ecore_getopt_action_help, [:dummy,FFI::Pointer::NULL] ]
end
def version short, long
self << [ short, long, 'show program version.', FFI::Pointer::NULL, :ecore_getopt_action_version, [:dummy,FFI::Pointer::NULL] ]
end
def copyright short, long
self << [ short, long, 'show copyright.', FFI::Pointer::NULL, :ecore_getopt_action_copyright, [:dummy,FFI::Pointer::NULL] ]
end
def license short, long
self << [ short, long, 'show license.', FFI::Pointer::NULL, :ecore_getopt_action_license, [:dummy,FFI::Pointer::NULL] ]
end
# def sentinel
# self << [ 0, FFI::Pointer::NULL, FFI::Pointer::NULL, FFI::Pointer::NULL, 0, {:dummy=>FFI::Pointer::NULL} ]
# end
#
def debug
r = ''
r << "#{self.class} : #{@ecore_getopt.to_ptr}\n"
[:prog,:usage,:version,:copyright,:license,:description].each do |sym|
r<< " #{sym.to_s} : #{@ecore_getopt[sym]==FFI::Pointer::NULL ? 'NULL' : @ecore_getopt[sym].read_string}\n"
end
r << " strict : #{@ecore_getopt[:strict]}\n"
i=0
while true
d = @ecore_getopt.desc_ptr i
break if d[:shortname]==0 and d[:longname] == FFI::Pointer::NULL
r << " desc #{d.to_ptr}\n"
r << " short: #{d[:shortname].chr}\n" unless d[:shortname]==0
r << " long: #{d[:longname].read_string}\n" unless d[:longname]==FFI::Pointer::NULL
r << " help: #{d[:help].read_string}\n" unless d[:help]==FFI::Pointer::NULL
i+=1
end
r
end
end
end
#
end
#
# EOF
|
