[ruby/rdoc] Move RDoc::RDoc#load_options to RDoc::RDoc.load_options

https://github.com/ruby/rdoc/commit/ac85e01756

1 files changed, 29 insertions, 0 deletions

diff --git a/lib/rdoc/options.rb b/lib/rdoc/options.rb
index 13b7ba5c6c..7a45a9c610 100644
--- a/lib/rdoc/options.rb
+++ b/lib/rdoc/options.rb
@@ -1282,4 +1282,33 @@ Usage: #{opt.program_name} [options] [names...]
     end
   end
 
+  ##
+  # Loads options from .rdoc_options if the file exists, otherwise creates a
+  # new RDoc::Options instance.
+
+  def self.load_options
+    options_file = File.expand_path '.rdoc_options'
+    return RDoc::Options.new unless File.exist? options_file
+
+    RDoc.load_yaml
+
+    begin
+      options = YAML.safe_load File.read('.rdoc_options'), permitted_classes: [RDoc::Options, Symbol]
+    rescue Psych::SyntaxError
+      raise RDoc::Error, "#{options_file} is not a valid rdoc options file"
+    end
+
+    return RDoc::Options.new unless options # Allow empty file.
+
+    raise RDoc::Error, "#{options_file} is not a valid rdoc options file" unless
+      RDoc::Options === options or Hash === options
+
+    if Hash === options
+      # Override the default values with the contents of YAML file.
+      options = RDoc::Options.new options
+    end
+
+    options
+  end
+
 end