@@ -1,5 +1,13 @@ *Edge* +* Add Inflection rules for String#humanize. #535 [dcmanges] + + ActiveSupport::Inflector.inflections do |inflect| + inflect.human(/_cnt$/i, '\1_count') + end + + 'jargon_cnt'.humanize # => 'Jargon count' + * TimeWithZone: when crossing DST boundary, treat Durations of days, months or years as variable-length, and all other values as absolute length. A time + 24.hours will advance exactly 24 hours, but a time + 1.day will advance 23-25 hours, depending on the day. Ensure consistent behavior across all advancing methods [Geoff Buesing] * Added TimeZone #=~, to support matching zones by regex in time_zone_select. #195 [Ernie Miller] activesupport/CHANGELOG @@ -30,10 +30,10 @@ module ActiveSupport class Inflections include Singleton - attr_reader :plurals, :singulars, :uncountables + attr_reader :plurals, :singulars, :uncountables, :humans def initialize - @plurals, @singulars, @uncountables = [], [], [] + @plurals, @singulars, @uncountables, @humans = [], [], [], [] end # Specifies a new pluralization rule and its replacement. The rule can either be a string or a regular expression. @@ -76,9 +76,20 @@ module ActiveSupport (@uncountables << words).flatten! end + # Specifies a humanized form of a string by a regular expression rule or by a string mapping. + # When using a regular expression based replacement, the normal humanize formatting is called after the replacement. + # When a string is used, the human form should be specified as desired (example: 'The name', not 'the_name') + # + # Examples: + # human /_cnt$/i, '\1_count' + # human "legacy_col_person_name", "Name" + def human(rule, replacement) + @humans.insert(0, [rule, replacement]) + end + # Clears the loaded inflections within a given scope (default is <tt>:all</tt>). # Give the scope as a symbol of the inflection type, the options are: <tt>:plurals</tt>, - # <tt>:singulars</tt>, <tt>:uncountables</tt>. + # <tt>:singulars</tt>, <tt>:uncountables</tt>, <tt>:humans</tt>. # # Examples: # clear :all @@ -209,7 +220,10 @@ module ActiveSupport # "employee_salary" # => "Employee salary" # "author_id" # => "Author" def humanize(lower_case_and_underscored_word) - lower_case_and_underscored_word.to_s.gsub(/_id$/, "").gsub(/_/, " ").capitalize + result = lower_case_and_underscored_word.to_s.dup + + inflections.humans.each { |(rule, replacement)| break if result.gsub!(rule, replacement) } + result.gsub(/_id$/, "").gsub(/_/, " ").capitalize end # Removes the module part from the expression in the string. activesupport/lib/active_support/inflector.rb @@ -110,6 +110,23 @@ class InflectorTest < Test::Unit::TestCase end end + def test_humanize_by_rule + ActiveSupport::Inflector.inflections do |inflect| + inflect.human(/_cnt$/i, '\1_count') + inflect.human(/^prefx_/i, '\1') + end + assert_equal("Jargon count", ActiveSupport::Inflector.humanize("jargon_cnt")) + assert_equal("Request", ActiveSupport::Inflector.humanize("prefx_request")) + end + + def test_humanize_by_string + ActiveSupport::Inflector.inflections do |inflect| + inflect.human("col_rpted_bugs", "Reported bugs") + end + assert_equal("Reported bugs", ActiveSupport::Inflector.humanize("col_rpted_bugs")) + assert_equal("Col rpted bugs", ActiveSupport::Inflector.humanize("COL_rpted_bugs")) + end + def test_constantize assert_nothing_raised { assert_equal Ace::Base::Case, ActiveSupport::Inflector.constantize("Ace::Base::Case") } assert_nothing_raised { assert_equal Ace::Base::Case, ActiveSupport::Inflector.constantize("::Ace::Base::Case") } @@ -148,7 +165,7 @@ class InflectorTest < Test::Unit::TestCase end end - %w{plurals singulars uncountables}.each do |inflection_type| + %w{plurals singulars uncountables humans}.each do |inflection_type| class_eval " def test_clear_#{inflection_type} cached_values = ActiveSupport::Inflector.inflections.#{inflection_type} @@ -160,25 +177,29 @@ class InflectorTest < Test::Unit::TestCase end def test_clear_all - cached_values = ActiveSupport::Inflector.inflections.plurals, ActiveSupport::Inflector.inflections.singulars, ActiveSupport::Inflector.inflections.uncountables + cached_values = ActiveSupport::Inflector.inflections.plurals, ActiveSupport::Inflector.inflections.singulars, ActiveSupport::Inflector.inflections.uncountables, ActiveSupport::Inflector.inflections.humans ActiveSupport::Inflector.inflections.clear :all assert ActiveSupport::Inflector.inflections.plurals.empty? assert ActiveSupport::Inflector.inflections.singulars.empty? assert ActiveSupport::Inflector.inflections.uncountables.empty? + assert ActiveSupport::Inflector.inflections.humans.empty? ActiveSupport::Inflector.inflections.instance_variable_set :@plurals, cached_values[0] ActiveSupport::Inflector.inflections.instance_variable_set :@singulars, cached_values[1] ActiveSupport::Inflector.inflections.instance_variable_set :@uncountables, cached_values[2] + ActiveSupport::Inflector.inflections.instance_variable_set :@humans, cached_values[3] end def test_clear_with_default - cached_values = ActiveSupport::Inflector.inflections.plurals, ActiveSupport::Inflector.inflections.singulars, ActiveSupport::Inflector.inflections.uncountables + cached_values = ActiveSupport::Inflector.inflections.plurals, ActiveSupport::Inflector.inflections.singulars, ActiveSupport::Inflector.inflections.uncountables, ActiveSupport::Inflector.inflections.humans ActiveSupport::Inflector.inflections.clear assert ActiveSupport::Inflector.inflections.plurals.empty? assert ActiveSupport::Inflector.inflections.singulars.empty? assert ActiveSupport::Inflector.inflections.uncountables.empty? + assert ActiveSupport::Inflector.inflections.humans.empty? ActiveSupport::Inflector.inflections.instance_variable_set :@plurals, cached_values[0] ActiveSupport::Inflector.inflections.instance_variable_set :@singulars, cached_values[1] ActiveSupport::Inflector.inflections.instance_variable_set :@uncountables, cached_values[2] + ActiveSupport::Inflector.inflections.instance_variable_set :@humans, cached_values[3] end Irregularities.each do |irregularity| @@ -217,7 +238,7 @@ class InflectorTest < Test::Unit::TestCase end end - { :singulars => :singular, :plurals => :plural, :uncountables => :uncountable }.each do |scope, method| + { :singulars => :singular, :plurals => :plural, :uncountables => :uncountable, :humans => :human }.each do |scope, method| ActiveSupport::Inflector.inflections do |inflect| define_method("test_clear_inflections_with_#{scope}") do # save the inflections activesupport/test/inflector_test.rb 3a95ee73cfbcfeada3b053c5b0fb7b5125ef12c7 Pratik Naik lifo pratiknaik@gmail.com http://github.com/rails/rails/commit/4f75840d72b96fff34d65b59480da7d6c7494120 4f75840d72b96fff34d65b59480da7d6c7494120 2008-07-02T05:25:36-07:00 2008-07-02T05:25:17-07:00 Add Inflection rules for String#humanize. [#535 state:resolved] [dcmanges] Signed-off-by: Pratik Naik <pratiknaik@gmail.com> cd13f9cf0359811c262e47737e704b059312ee05 Pratik Naik lifo pratiknaik@gmail.com