Initial load of support for ri/rdoc integration

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@5199 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/rdoc/ri/ri_reader.rb b/lib/rdoc/ri/ri_reader.rb
new file mode 100644
index 000000000..f7e9e3074
--- /dev/null
+++ b/lib/rdoc/ri/ri_reader.rb
@@ -0,0 +1,46 @@
+require 'rdoc/ri/ri_descriptions'
+require 'rdoc/ri/ri_writer'
+require 'rdoc/markup/simple_markup/to_flow'
+
+module RI
+  class RiReader
+
+    def initialize(ri_cache)
+      @cache = ri_cache
+    end
+
+    def top_level_namespace
+      [ @cache.toplevel ]
+    end
+
+    def lookup_namespace_in(target, namespaces)
+      result = []
+      for n in namespaces
+        result.concat(n.contained_modules_matching(target))
+      end
+      result
+    end
+
+    def find_methods(name, is_class_method, namespaces)
+      result = []
+      namespaces.each do |ns|
+        result.concat ns.methods_matching(name)
+      end
+      result
+    end
+
+    # return the MethodDescription for a given MethodEntry
+    # by deserializing the YAML
+    def get_method(method_entry)
+      path = method_entry.path_name
+      File.open(path) { |f| RI::Description.deserialize(f) }
+    end
+
+    # Return a class description
+    def get_class(class_entry)
+      path = RiWriter.class_desc_path(class_entry.path_name, class_entry)
+      File.open(path) {|f| RI::Description.deserialize(f) }
+    end
+
+  end
+end