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-rw-r--r--lib/efl/eina/eina_hash.rb81
1 files changed, 81 insertions, 0 deletions
diff --git a/lib/efl/eina/eina_hash.rb b/lib/efl/eina/eina_hash.rb
new file mode 100644
index 0000000..76cd5d2
--- /dev/null
+++ b/lib/efl/eina/eina_hash.rb
@@ -0,0 +1,81 @@
+#! /usr/bin/env ruby
+# -*- coding: UTF-8 -*-
+#
+require 'efl/eina'
+require 'efl/ffi/eina/eina_hash'
+#
+class Hash
+ def self.from_eina_hash o
+ if o.is_a? Efl::Eina::EinaHash
+ o.to_h
+ elsif o.is_a? ::FFI::Pointer
+ Efl::Eina::EinaHash.new(o).to_h
+ else
+ raise ArgumentError.new " wrong argument #{o.class.name}"
+ end
+ end
+end
+module Efl
+ module Eina
+ #
+ class EinaHash
+ include Efl::Helper
+ include Enumerable
+ @func_prefixes = [ 'eina_hash_' ].freeze
+ def initialize o=nil, &block
+ cstr = ( block_given? ? block : Proc.new { Efl::FFI.eina_hash_string_djb2_new ::FFI::Pointer::NULL } )
+ @ptr = (
+ case o
+ when ::FFI::Pointer
+ ( o==::FFI::Pointer::NULL ? cstr.call : o )
+ when NilClass
+ cstr.call
+ when self.class
+ o.ptr
+ when Hash
+ ptr = cstr.call
+ o.each do |k,v| Efl::FFI.eina_hash_add ptr, k, v end
+ ptr
+ else
+ raise ArgumentError.new "#{ptr.class} valid argument"
+ end
+ )
+ end
+ def free
+ return if @ptr==::FFI::Pointer::NULL
+ @ptr = Efl::FFI.eina_hash_free @ptr
+ end
+ def each data=::FFI::Pointer::NULL, &block
+ return if not block_given?
+ Efl::FFI::eina_hash_foreach @ptr, Proc.new{|h,k,v,d| block.call(k,v) }, data
+ end
+ def to_h
+ rh = {}
+ each { |k,v| rh[k]=v; true }
+ rh
+ end
+ def to_h_conv &block
+ rh = {}
+ if block_given?
+ each { |k,v| rh[block.call(k)]=v; true }
+ else
+ each { |k,v| rh[k.read_string]=v; true }
+ end
+ rh
+ end
+ # for fun and tests
+ def add k, v
+ Efl::FFI.eina_hash_add @ptr, k, v
+ v
+ end
+ alias :[]= :add
+ def find k
+ r = Efl::FFI.eina_hash_find @ptr, k
+ return ( r==::FFI::Pointer::NULL ? nil : r )
+ end
+ alias :[] :find
+ end
+ end
+end
+#
+# EOF