diff options
Diffstat (limited to 'activesupport/lib/active_support/inflector')
| -rw-r--r-- | activesupport/lib/active_support/inflector/inflections.rb | 8 | ||||
| -rw-r--r-- | activesupport/lib/active_support/inflector/methods.rb | 63 |
2 files changed, 45 insertions, 26 deletions
diff --git a/activesupport/lib/active_support/inflector/inflections.rb b/activesupport/lib/active_support/inflector/inflections.rb index 90bb62f57b..8cd96fe2d1 100644 --- a/activesupport/lib/active_support/inflector/inflections.rb +++ b/activesupport/lib/active_support/inflector/inflections.rb @@ -1,3 +1,5 @@ +require 'active_support/core_ext/array/prepend_and_append' + module ActiveSupport module Inflector # A singleton instance of this class is yielded by Inflector.inflections, which can then be used to specify additional @@ -82,7 +84,7 @@ module ActiveSupport def plural(rule, replacement) @uncountables.delete(rule) if rule.is_a?(String) @uncountables.delete(replacement) - @plurals.insert(0, [rule, replacement]) + @plurals.prepend([rule, replacement]) end # Specifies a new singularization rule and its replacement. The rule can either be a string or a regular expression. @@ -90,7 +92,7 @@ module ActiveSupport def singular(rule, replacement) @uncountables.delete(rule) if rule.is_a?(String) @uncountables.delete(replacement) - @singulars.insert(0, [rule, replacement]) + @singulars.prepend([rule, replacement]) end # Specifies a new irregular that applies to both pluralization and singularization at the same time. This can only be used @@ -134,7 +136,7 @@ module ActiveSupport # human /_cnt$/i, '\1_count' # human "legacy_col_person_name", "Name" def human(rule, replacement) - @humans.insert(0, [rule, replacement]) + @humans.prepend([rule, replacement]) end # Clears the loaded inflections within a given scope (default is <tt>:all</tt>). diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb index 7f325aee94..c630bd21b1 100644 --- a/activesupport/lib/active_support/inflector/methods.rb +++ b/activesupport/lib/active_support/inflector/methods.rb @@ -42,10 +42,10 @@ module ActiveSupport # +camelize+ will also convert '/' to '::' which is useful for converting paths to namespaces. # # Examples: - # "active_record".camelize # => "ActiveRecord" - # "active_record".camelize(:lower) # => "activeRecord" - # "active_record/errors".camelize # => "ActiveRecord::Errors" - # "active_record/errors".camelize(:lower) # => "activeRecord::Errors" + # "active_model".camelize # => "ActiveModel" + # "active_model".camelize(:lower) # => "activeModel" + # "active_model/errors".camelize # => "ActiveModel::Errors" + # "active_model/errors".camelize(:lower) # => "activeModel::Errors" # # As a rule of thumb you can think of +camelize+ as the inverse of +underscore+, # though there are cases where that does not hold: @@ -66,8 +66,8 @@ module ActiveSupport # Changes '::' to '/' to convert namespaces to paths. # # Examples: - # "ActiveRecord".underscore # => "active_record" - # "ActiveRecord::Errors".underscore # => active_record/errors + # "ActiveModel".underscore # => "active_model" + # "ActiveModel::Errors".underscore # => "active_model/errors" # # As a rule of thumb you can think of +underscore+ as the inverse of +camelize+, # though there are cases where that does not hold: @@ -92,9 +92,12 @@ module ActiveSupport # "author_id" # => "Author" def humanize(lower_case_and_underscored_word) result = lower_case_and_underscored_word.to_s.dup - inflections.humans.each { |(rule, replacement)| break if result.gsub!(rule, replacement) } + inflections.humans.each { |(rule, replacement)| break if result.sub!(rule, replacement) } result.gsub!(/_id$/, "") - result.gsub(/(_)?([a-z\d]*)/i) { "#{$1 && ' '}#{inflections.acronyms[$2] || $2.downcase}" }.gsub(/^\w/) { $&.upcase } + result.tr!('_', ' ') + result.gsub(/([a-z\d]*)/i) { |match| + "#{inflections.acronyms[match] || match.downcase}" + }.gsub(/^\w/) { $&.upcase } end # Capitalizes all the words and replaces some characters in the string to create @@ -143,7 +146,7 @@ module ActiveSupport # Example: # "puni_puni" # => "puni-puni" def dasherize(underscored_word) - underscored_word.gsub(/_/, '-') + underscored_word.tr('_', '-') end # Removes the module part from the expression in the string: @@ -209,7 +212,7 @@ module ActiveSupport constant = Object names.each do |name| - constant = constant.const_defined?(name, false) ? constant.const_get(name) : constant.const_missing(name) + constant = constant.const_get(name, false) end constant end @@ -240,13 +243,36 @@ module ActiveSupport begin constantize(camel_cased_word) rescue NameError => e - raise unless e.message =~ /uninitialized constant #{const_regexp(camel_cased_word)}$/ || + raise unless e.message =~ /(uninitialized constant|wrong constant name) #{const_regexp(camel_cased_word)}$/ || e.name.to_s == camel_cased_word.to_s rescue ArgumentError => e raise unless e.message =~ /not missing constant #{const_regexp(camel_cased_word)}\!$/ end end + # Returns the suffix that should be added to a number to denote the position + # in an ordered sequence such as 1st, 2nd, 3rd, 4th. + # + # Examples: + # ordinal(1) # => "st" + # ordinal(2) # => "nd" + # ordinal(1002) # => "nd" + # ordinal(1003) # => "rd" + # ordinal(-11) # => "th" + # ordinal(-1021) # => "st" + def ordinal(number) + if (11..13).include?(number.to_i.abs % 100) + "th" + else + case number.to_i.abs % 10 + when 1; "st" + when 2; "nd" + when 3; "rd" + else "th" + end + end + end + # Turns a number into an ordinal string used to denote the position in an # ordered sequence such as 1st, 2nd, 3rd, 4th. # @@ -258,16 +284,7 @@ module ActiveSupport # ordinalize(-11) # => "-11th" # ordinalize(-1021) # => "-1021st" def ordinalize(number) - if (11..13).include?(number.to_i.abs % 100) - "#{number}th" - else - case number.to_i.abs % 10 - when 1; "#{number}st" - when 2; "#{number}nd" - when 3; "#{number}rd" - else "#{number}th" - end - end + "#{number}#{ordinal(number)}" end private @@ -291,10 +308,10 @@ module ActiveSupport def apply_inflections(word, rules) result = word.to_s.dup - if word.empty? || inflections.uncountables.any? { |inflection| result =~ /\b#{inflection}\Z/i } + if word.empty? || inflections.uncountables.include?(result.downcase[/\b\w+\Z/]) result else - rules.each { |(rule, replacement)| break if result.gsub!(rule, replacement) } + rules.each { |(rule, replacement)| break if result.sub!(rule, replacement) } result end end |