Proposal of implementation for siblings() tree traversal utility plat…

…anus#18
Ssruno · Jan 22, 2018 · 81bb4ab · 81bb4ab
1 parent e42b1e9
commit 81bb4ab
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/lib/pincers/core/search_context.rb b/lib/pincers/core/search_context.rb
@@ -93,6 +93,19 @@ def last
       if elements.last.nil? then nil else wrap_siblings [elements.last] end
     end
 
+    # Implementation of siblings() from JQuery
+    def siblings(_selector=nil)
+      if _selector
+        parser = Pincers::CSS::Parser.new _selector
+        exp = parser.to_xpath("")
+        exp = exp.first if exp.length == 1
+
+        search(:xpath => "preceding-sibling::#{exp} | following-sibling::#{exp}")
+      else
+        search( :xpath => 'preceding-sibling::* | following-sibling::*' )
+      end
+    end
+
     def search(_selector=nil, _options={}, &_block)
       if _selector.is_a? Hash
         _options = _selector