diff options
Diffstat (limited to 'lib/chef/mixin/convert_to_class_name.rb')
| -rw-r--r-- | lib/chef/mixin/convert_to_class_name.rb | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/lib/chef/mixin/convert_to_class_name.rb b/lib/chef/mixin/convert_to_class_name.rb new file mode 100644 index 0000000000..7b4ec7ad3f --- /dev/null +++ b/lib/chef/mixin/convert_to_class_name.rb @@ -0,0 +1,65 @@ +# +# Author:: Adam Jacob (<adam@opscode.com>) +# Author:: Christopher Walters (<cw@opscode.com>) +# Copyright:: Copyright (c) 2008, 2009 Opscode, Inc. +# License:: Apache License, Version 2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +class Chef + module Mixin + module ConvertToClassName + extend self + + def convert_to_class_name(str) + str = str.dup + str.gsub!(/[^A-Za-z0-9_]/,'_') + rname = nil + regexp = %r{^(.+?)(_(.+))?$} + + mn = str.match(regexp) + if mn + rname = mn[1].capitalize + + while mn && mn[3] + mn = mn[3].match(regexp) + rname << mn[1].capitalize if mn + end + end + + rname + end + + def convert_to_snake_case(str, namespace=nil) + str = str.dup + str.sub!(/^#{namespace}(\:\:)?/, '') if namespace + str.gsub!(/[A-Z]/) {|s| "_" + s} + str.downcase! + str.sub!(/^\_/, "") + str + end + + def snake_case_basename(str) + with_namespace = convert_to_snake_case(str) + with_namespace.split("::").last.sub(/^_/, '') + end + + def filename_to_qualified_string(base, filename) + file_base = File.basename(filename, ".rb") + base.to_s + (file_base == 'default' ? '' : "_#{file_base}") + end + + end + end +end |