1 files changed, 100 insertions, 0 deletions
diff --git a/ruby_1_8_5/lib/rdoc/ri/ri_reader.rb b/ruby_1_8_5/lib/rdoc/ri/ri_reader.rb
new file mode 100644
index 0000000000..fb2c373e38
--- /dev/null
+++ b/ruby_1_8_5/lib/rdoc/ri/ri_reader.rb
@@ -0,0 +1,100 @@
+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_class_by_name(full_name)
+      names = full_name.split(/::/)
+      ns = @cache.toplevel
+      for name in names
+        ns = ns.contained_class_named(name)
+        return nil if ns.nil?
+      end
+      get_class(ns)
+    end
+
+    def find_methods(name, is_class_method, namespaces)
+      result = []
+      namespaces.each do |ns|
+        result.concat ns.methods_matching(name, is_class_method)
+      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)
+      result = nil
+      for path in class_entry.path_names
+        path = RiWriter.class_desc_path(path, class_entry)
+        desc = File.open(path) {|f| RI::Description.deserialize(f) }
+        if result
+          result.merge_in(desc)
+        else
+          result = desc
+        end
+      end
+      result
+    end
+
+    # return the names of all classes and modules
+    def full_class_names
+      res = []
+      find_classes_in(res, @cache.toplevel)
+    end
+
+    # return a list of all classes, modules, and methods
+    def all_names
+      res = []
+      find_names_in(res, @cache.toplevel)
+    end
+
+    # ----
+    private
+    # ----
+
+    def find_classes_in(res, klass)
+      classes = klass.classes_and_modules
+      for c in classes
+        res << c.full_name
+        find_classes_in(res, c)
+      end
+      res
+    end
+
+    def find_names_in(res, klass)
+      classes = klass.classes_and_modules
+      for c in classes
+        res << c.full_name
+        res.concat c.all_method_names
+        find_names_in(res, c)
+      end
+      res
+    end
+
+  end
+end