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|
#! /usr/bin/env ruby
# -*- coding: UTF-8 -*-
#
module Efl
#
VERSION = '0.1.0'
#
module MethodResolver
def self.resolve mod, meth, prefix
meth_s = meth.to_s
if meth_s =~/^(.*)=$/
meth_s = $1+'_set'
args_s = '*args[0]'
elsif meth_s =~/^(.*)\?$/
meth_s = $1+'_get'
args_s = '*args'
else
args_s = '*args'
end
sym = (
if Efl::Native.respond_to? prefix+meth_s
prefix+meth_s
elsif Efl::Native.respond_to? meth_s
meth_s
elsif Efl::Native.respond_to? prefix+meth_s+'_get'
prefix+meth_s+'_get'
elsif Efl::Native.respond_to? meth_s+'_get'
meth_s+'_get'
else
raise NameError.new "#{mod.name}.#{meth_s} (#{meth})"
end
)
mod.module_eval "def self.#{meth} *args, █ r=Efl::Native.#{sym}(#{args_s}); yield r if block_given?; r; end"
sym
end
end
#
module ClassHelper
def to_a; [self] end
def to_ary; [self] end
def to_s; Object.instance_method(:to_s).bind(self).call+' ['+self.to_ptr.to_s+']' end
alias :to_str :to_s
def to_ptr; @ptr; end
def === o; @ptr === o.to_ptr; end
def null?; @ptr.null?; end
def address; @ptr.address; end
def self.included kls
# create class instance @search_prefixes
kls.class_eval "@search_prefixes ||=[]"
# access and prepend *args to @search_prefixes
kls.class_eval "def self.search_prefixes *args; @search_prefixes.unshift *args unless args.empty?; @search_prefixes; end"
# on inheritance, copy ancestor's @search_prefixes
kls.class_eval <<-EOF
def self.inherited sub
sub.class_eval '@search_prefixes = []'
sub.search_prefixes *self.search_prefixes
end
EOF
end
def method_missing m, *args, &block
m_s = m.to_s
if m_s =~/^(.*)=$/
m_s = $1+'_set'
args_s = '*args[0]'
elsif m_s =~/^(.*)\?$/
m_s = $1+'_get'
args_s = '*args'
else
args_s = '*args'
end
(['']+self.class.search_prefixes).each do |p|
sym = p+m_s
meth = (
if Efl::Native.respond_to? sym
sym
elsif Efl::Native.respond_to? m_s
m_s
elsif Efl::Native.respond_to? sym+'_get'
sym+'_get'
elsif Efl::Native.respond_to? m_s+'_get'
m_s+'_get'
else
nil
end
)
if not meth.nil?
self.class.class_eval "def #{m} *args, █ r=Efl::Native.#{meth}(@ptr,#{args_s}); yield r if block_given?; r; end"
return self.send m, *args, &block
end
end
Kernel.raise NameError.new "#{self.class.name} is unable to resolve #{m} within #{self.class.search_prefixes.inspect}"
end
end
#
end
#
# EOF
|
