diff options
Diffstat (limited to 'activesupport/lib/active_support/inflector/methods.rb')
| -rw-r--r-- | activesupport/lib/active_support/inflector/methods.rb | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb index 39648727fd..ffdb7b53c4 100644 --- a/activesupport/lib/active_support/inflector/methods.rb +++ b/activesupport/lib/active_support/inflector/methods.rb @@ -1,6 +1,5 @@ # encoding: utf-8 -require 'active_support/inflector/inflections' require 'active_support/inflections' module ActiveSupport @@ -37,7 +36,7 @@ module ActiveSupport # string. # # If passed an optional +locale+ parameter, the word will be - # pluralized using rules defined for that language. By default, + # singularized using rules defined for that language. By default, # this parameter is set to <tt>:en</tt>. # # 'posts'.singularize # => "post" @@ -73,7 +72,9 @@ module ActiveSupport else string = string.sub(/^(?:#{inflections.acronym_regex}(?=\b|[A-Z_])|\w)/) { $&.downcase } end - string.gsub(/(?:_|(\/))([a-z\d]*)/i) { "#{$1}#{inflections.acronyms[$2] || $2.capitalize}" }.gsub('/', '::') + string.gsub!(/(?:_|(\/))([a-z\d]*)/i) { "#{$1}#{inflections.acronyms[$2] || $2.capitalize}" } + string.gsub!('/', '::') + string end # Makes an underscored, lowercase form from the expression in the string. @@ -88,8 +89,7 @@ module ActiveSupport # # 'SSLError'.underscore.camelize # => "SslError" def underscore(camel_cased_word) - word = camel_cased_word.to_s.dup - word.gsub!('::', '/') + word = camel_cased_word.to_s.gsub('::', '/') word.gsub!(/(?:([A-Za-z\d])|^)(#{inflections.acronym_regex})(?=\b|[^a-z])/) { "#{$1}#{$1 && '_'}#{$2.downcase}" } word.gsub!(/([A-Z\d]+)([A-Z][a-z])/,'\1_\2') word.gsub!(/([a-z\d])([A-Z])/,'\1_\2') @@ -185,7 +185,7 @@ module ActiveSupport # # See also +demodulize+. def deconstantize(path) - path.to_s[0...(path.rindex('::') || 0)] # implementation based on the one in facets' Module#spacename + path.to_s[0, path.rindex('::') || 0] # implementation based on the one in facets' Module#spacename end # Creates a foreign key name from a class name. @@ -219,7 +219,12 @@ module ActiveSupport # unknown. def constantize(camel_cased_word) names = camel_cased_word.split('::') - names.shift if names.empty? || names.first.empty? + + # Trigger a builtin NameError exception including the ill-formed constant in the message. + Object.const_get(camel_cased_word) if names.empty? + + # Remove the first blank element in case of '::ClassName' notation. + names.shift if names.size > 1 && names.first.empty? names.inject(Object) do |constant, name| if constant == Object @@ -314,9 +319,14 @@ module ActiveSupport private # Mount a regular expression that will match part by part of the constant. - # For instance, Foo::Bar::Baz will generate Foo(::Bar(::Baz)?)? + # + # const_regexp("Foo::Bar::Baz") # => /Foo(::Bar(::Baz)?)?/ + # const_regexp("::") # => /::/ def const_regexp(camel_cased_word) #:nodoc: parts = camel_cased_word.split("::") + + return Regexp.escape(camel_cased_word) if parts.blank? + last = parts.pop parts.reverse.inject(last) do |acc, part| |