diff options
Diffstat (limited to 'ruby_1_8_6/lib/rexml/parent.rb')
| -rw-r--r-- | ruby_1_8_6/lib/rexml/parent.rb | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/ruby_1_8_6/lib/rexml/parent.rb b/ruby_1_8_6/lib/rexml/parent.rb deleted file mode 100644 index a20aaaef6b..0000000000 --- a/ruby_1_8_6/lib/rexml/parent.rb +++ /dev/null @@ -1,166 +0,0 @@ -require "rexml/child" - -module REXML - # A parent has children, and has methods for accessing them. The Parent - # class is never encountered except as the superclass for some other - # object. - class Parent < Child - include Enumerable - - # Constructor - # @param parent if supplied, will be set as the parent of this object - def initialize parent=nil - super(parent) - @children = [] - end - - def add( object ) - #puts "PARENT GOTS #{size} CHILDREN" - object.parent = self - @children << object - #puts "PARENT NOW GOTS #{size} CHILDREN" - object - end - - alias :push :add - alias :<< :push - - def unshift( object ) - object.parent = self - @children.unshift object - end - - def delete( object ) - found = false - @children.delete_if {|c| c.equal?(object) and found = true } - object.parent = nil if found - end - - def each(&block) - @children.each(&block) - end - - def delete_if( &block ) - @children.delete_if(&block) - end - - def delete_at( index ) - @children.delete_at index - end - - def each_index( &block ) - @children.each_index(&block) - end - - # Fetches a child at a given index - # @param index the Integer index of the child to fetch - def []( index ) - @children[index] - end - - alias :each_child :each - - - - # Set an index entry. See Array.[]= - # @param index the index of the element to set - # @param opt either the object to set, or an Integer length - # @param child if opt is an Integer, this is the child to set - # @return the parent (self) - def []=( *args ) - args[-1].parent = self - @children[*args[0..-2]] = args[-1] - end - - # Inserts an child before another child - # @param child1 this is either an xpath or an Element. If an Element, - # child2 will be inserted before child1 in the child list of the parent. - # If an xpath, child2 will be inserted before the first child to match - # the xpath. - # @param child2 the child to insert - # @return the parent (self) - def insert_before( child1, child2 ) - if child1.kind_of? String - child1 = XPath.first( self, child1 ) - child1.parent.insert_before child1, child2 - else - ind = index(child1) - child2.parent.delete(child2) if child2.parent - @children[ind,0] = child2 - child2.parent = self - end - self - end - - # Inserts an child after another child - # @param child1 this is either an xpath or an Element. If an Element, - # child2 will be inserted after child1 in the child list of the parent. - # If an xpath, child2 will be inserted after the first child to match - # the xpath. - # @param child2 the child to insert - # @return the parent (self) - def insert_after( child1, child2 ) - if child1.kind_of? String - child1 = XPath.first( self, child1 ) - child1.parent.insert_after child1, child2 - else - ind = index(child1)+1 - child2.parent.delete(child2) if child2.parent - @children[ind,0] = child2 - child2.parent = self - end - self - end - - def to_a - @children.dup - end - - # Fetches the index of a given child - # @param child the child to get the index of - # @return the index of the child, or nil if the object is not a child - # of this parent. - def index( child ) - count = -1 - @children.find { |i| count += 1 ; i.hash == child.hash } - count - end - - # @return the number of children of this parent - def size - @children.size - end - - alias :length :size - - # Replaces one child with another, making sure the nodelist is correct - # @param to_replace the child to replace (must be a Child) - # @param replacement the child to insert into the nodelist (must be a - # Child) - def replace_child( to_replace, replacement ) - @children.map! {|c| c.equal?( to_replace ) ? replacement : c } - to_replace.parent = nil - replacement.parent = self - end - - # Deeply clones this object. This creates a complete duplicate of this - # Parent, including all descendants. - def deep_clone - cl = clone() - each do |child| - if child.kind_of? Parent - cl << child.deep_clone - else - cl << child.clone - end - end - cl - end - - alias :children :to_a - - def parent? - true - end - end -end |