jini.rb in jini-0.1.0

- old
+ new

@@ -58,13 +58,11 @@
 
   # Removes node by name
   # @param node [String] name of node for removal
   # @return [Jini] without a node
   def remove_node(node)
-    Jini.new(
-      purge_head("/#{node}")
-    )
+    Jini.new(purge_head("/#{node}"))
   end
 
   # This method replaces *all* origins to new
   # @param [String] origin node
   # @param [String] new node
@@ -100,10 +98,38 @@
   # @return [Jini] object
   def add_attrs(value)
     Jini.new("#{@head}@#{value}")
   end
 
+  # Removes attr by name.
+  # before:
+  # '/parent/child [@k="v"]'
+  # after:
+  # '/parent/child'
+  # @param [String] name of attr
+  # @return [Jini] without an attr
+  def remove_attr(name)
+    Jini.new(
+      purge_head(/(\[@?#{name}="[^"]+"(\[\]+|\]))/)
+    )
+  end
+
+  # Replaces *all* attr *values* by name.
+  # Before:
+  # '[@id="some value"]'
+  # After:
+  # [@id="new value"]
+  # @param name [String] of attr
+  # @param value [String] upd value
+  # @return [Jini] updated
+  def new_attr_value(name, value)
+    n_rex = /(\[@?#{name}="[^"]+"(\[\]+|\]))/
+    attr = @head[n_rex]
+    attr[/"(.*?)"/] = "\"#{value}\""
+    Jini.new(@head.gsub(n_rex, attr)) unless attr.nil?
+  end
+
   # Xpath with all elements.
   # Addition an '*' to tail of xpath
   # @return [Jini] object
   # @raise [InvalidPath] when method called after attr
   def all
@@ -134,22 +160,9 @@
   # @return [Jini] selection
   # @raise [InvalidPath] when path can't present with select
   def selection
     raise InvalidPath, 'Cannot select, path contains bad symbols' if bad_symbols? @head
     Jini.new(@head.gsub('/', '::').to_s)
-  end
-
-  # Removes attr by name.
-  # before:
-  # '/parent/child [@k="v"]'
-  # after:
-  # '/parent/child'
-  # @param [String] name of attr
-  # @return [Jini] without an attr
-  def remove_attr(name)
-    Jini.new(
-      purge_head(/(\[@?#{name}="[^"]+"(\[\]+|\]))/)
-    )
   end
 
   # Adds '[alpha | beta]' in tail.
   # @param [String] alpha statement
   # @param [String] beta statement