From fe962cde158562e0d41b61ea48267cf0413f190c Mon Sep 17 00:00:00 2001
From: drbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 31 May 2012 22:07:09 +0000
Subject: * ext/dl/lib/dl/struct.rb (DL::CStructEntity#set_ctypes):  Refactored
   #set_ctypes using newer ruby features to simplify its implementation. *
 test/dl/test_c_struct_entry.rb (class DL):  Test to verify   refactoring.

Reviewed by Aaron Patterson.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35857 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/dl/lib/dl/struct.rb | 31 ++++++++++++-------------------
 1 file changed, 12 insertions(+), 19 deletions(-)

(limited to 'ext/dl')

diff --git a/ext/dl/lib/dl/struct.rb b/ext/dl/lib/dl/struct.rb
index e6f7ba710b..37cb3b5120 100644
--- a/ext/dl/lib/dl/struct.rb
+++ b/ext/dl/lib/dl/struct.rb
@@ -127,27 +127,20 @@ module DL
       @ctypes = types
       @offset = []
       offset = 0
-      max_align = 0
-      types.each_with_index{|t,i|
+
+      max_align = types.map { |type, count = 1|
         orig_offset = offset
-        if( t.is_a?(Array) )
-          align = ALIGN_MAP[t[0]]
-        else
-          align = ALIGN_MAP[t]
-        end
+        align = ALIGN_MAP[type]
         offset = PackInfo.align(orig_offset, align)
-        @offset[i] = offset
-        if( t.is_a?(Array) )
-          offset += (SIZE_MAP[t[0]] * t[1])
-        else
-          offset += SIZE_MAP[t]
-        end
-        if (max_align < align)
-          max_align = align
-        end
-      }
-      offset = PackInfo.align(offset, max_align)
-      @size = offset
+
+        @offset << offset
+
+        offset += (SIZE_MAP[type] * count)
+
+        align
+      }.max
+
+      @size = PackInfo.align(offset, max_align)
     end
 
     # Fetch struct member +name+
-- 
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