ActiveLdap 1.2.4

[redminele/redminele.git] / ruby / lib / ruby / gems / 1.8 / gems / activesupport-2.3.12 / lib / active_support / xml_mini / nokogiri.rb

diff --git a/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.12/lib/active_support/xml_mini/nokogiri.rb b/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.12/lib/active_support/xml_mini/nokogiri.rb
new file mode 100644 (file)
index 0000000..096ae0f
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+++ b/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.12/lib/active_support/xml_mini/nokogiri.rb
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+require 'nokogiri'
+
+# = XmlMini Nokogiri implementation
+module ActiveSupport
+  module XmlMini_Nokogiri #:nodoc:
+    extend self
+
+    # Parse an XML Document string into a simple hash using libxml / nokogiri.
+    # string::
+    #   XML Document string to parse
+    def parse(string)
+      if string.blank?
+        {}
+      else
+        doc = Nokogiri::XML(string)
+        raise doc.errors.first if doc.errors.length > 0
+        doc.to_hash
+      end
+    end
+
+    module Conversions
+      module Document
+        def to_hash
+          root.to_hash
+        end
+      end
+
+      module Node
+        CONTENT_ROOT = '__content__'.freeze
+
+        # Convert XML document to hash
+        #
+        # hash::
+        #   Hash to merge the converted element into.
+        def to_hash(hash = {})
+          node_hash = {}
+
+          # Insert node hash into parent hash correctly.
+          case hash[name]
+            when Array then hash[name] << node_hash
+            when Hash  then hash[name] = [hash[name], node_hash]
+            when nil   then hash[name] = node_hash
+            else raise "Unexpected error during hash insertion!"
+          end
+
+          # Handle child elements
+          children.each do |c|
+            if c.element?
+              c.to_hash(node_hash)
+            elsif c.text? || c.cdata?
+              node_hash[CONTENT_ROOT] ||= ''
+              node_hash[CONTENT_ROOT] << c.content
+             end
+          end
+
+          # Remove content node if it is blank and there are child tags
+          if node_hash.length > 1 && node_hash[CONTENT_ROOT].blank?
+            node_hash.delete(CONTENT_ROOT)
+          end
+
+          # Handle attributes
+          attribute_nodes.each { |a| node_hash[a.node_name] = a.value }
+
+          hash
+        end
+      end
+    end
+
+    Nokogiri::XML::Document.send(:include, Conversions::Document)
+    Nokogiri::XML::Node.send(:include, Conversions::Node)
+  end
+end