A slight tweak to the behavior of capture_haml.

git-svn-id: svn://hamptoncatlin.com/haml/branches/edge@162 7063305b-7217-0410-af8c-cdc13e5119b9

lib/haml/helpers.rb

@@ -60,11 +60,14 @@ module Haml
       buffer.tabulation -= i
     end
     
-    # Captures the result of the given block of Haml code and returns
+    # Captures the result of the given block of Haml code,
-    # them as a string. For example, after the following,
+    # gets rid of the excess indentation,
+    # and returns it as a string.
+    # For example, after the following,
     #
-    #   - foo = capture_haml(13) do |a|
+    #   .foo
-    #     %p= a
+    #     - foo = capture_haml(13) do |a|
+    #       %p= a
     #
     # the local variable <tt>foo</tt> would be assigned to "<p>13</p>\n".
     def capture_haml(*args, &block)
@@ -73,7 +76,19 @@ module Haml
       
       block.call(*args)
       
-      buffer_buffer.slice!(position..-1)
+      captured = buffer_buffer.slice!(position..-1)
+      
+      min_tabs = nil
+      captured.each do |line|
+        tabs = line.index(/[^ ]/)
+        min_tabs ||= tabs
+        min_tabs = min_tabs > tabs ? tabs : min_tabs
+      end
+      
+      result = captured.map do |line|
+        line[min_tabs..-1]
+      end
+      result.to_s
     end
 
     # Gets a reference to the current Haml::Buffer object.

test/results/helpers.xhtml

@@ -27,10 +27,14 @@
   <p>
     reeeeeeeeeeeeeeeeeeeeeeeeeeeeeeally loooooooooooooooooong
   </p>
-<div>
+<div class='woah'>
-  <h1>Big!</h1>
+  <div id='funky'>
-  <p>Small</p>
+    <div>
-  <!-- Invisible -->
+      <h1>Big!</h1>
+      <p>Small</p>
+      <!-- Invisible -->
+    </div>
+  </div>
 </div>
 <p>baz</p>
                     <p>boom</p>

test/templates/helpers.haml

@@ -12,11 +12,13 @@
 - tab_up
 %p reeeeeeeeeeeeeeeeeeeeeeeeeeeeeeally loooooooooooooooooong
 - tab_down
-= capture_haml do
+.woah
-  %div
+  #funky
-    %h1 Big!
+    = capture_haml do
-    %p Small
+      %div
-    / Invisible
+        %h1 Big!
+        %p Small
+        / Invisible
 %p baz
 - buffer.tabulation = 10
 %p boom