diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/string')
6 files changed, 140 insertions, 93 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/access.rb b/activesupport/lib/active_support/core_ext/string/access.rb index 9b5266c58c..23aaee9c43 100644 --- a/activesupport/lib/active_support/core_ext/string/access.rb +++ b/activesupport/lib/active_support/core_ext/string/access.rb @@ -1,4 +1,4 @@ -require "active_support/multibyte" +require 'active_support/multibyte' class String def at(position) diff --git a/activesupport/lib/active_support/core_ext/string/conversions.rb b/activesupport/lib/active_support/core_ext/string/conversions.rb index 541f969faa..9084bbee32 100644 --- a/activesupport/lib/active_support/core_ext/string/conversions.rb +++ b/activesupport/lib/active_support/core_ext/string/conversions.rb @@ -4,21 +4,33 @@ require 'active_support/core_ext/time/calculations' class String # Form can be either :utc (default) or :local. def to_time(form = :utc) - return nil if self.blank? - d = ::Date._parse(self, false).values_at(:year, :mon, :mday, :hour, :min, :sec, :sec_fraction, :offset).map { |arg| arg || 0 } - d[6] *= 1000000 - ::Time.send("#{form}_time", *d[0..6]) - d[7] + unless blank? + date_values = ::Date._parse(self, false). + values_at(:year, :mon, :mday, :hour, :min, :sec, :sec_fraction, :offset). + map! { |arg| arg || 0 } + date_values[6] *= 1000000 + offset = date_values.pop + + ::Time.send("#{form}_time", *date_values) - offset + end end def to_date - return nil if self.blank? - ::Date.new(*::Date._parse(self, false).values_at(:year, :mon, :mday)) + unless blank? + date_values = ::Date._parse(self, false).values_at(:year, :mon, :mday) + + ::Date.new(*date_values) + end end def to_datetime - return nil if self.blank? - d = ::Date._parse(self, false).values_at(:year, :mon, :mday, :hour, :min, :sec, :zone, :sec_fraction).map { |arg| arg || 0 } - d[5] += d.pop - ::DateTime.civil(*d) + unless blank? + date_values = ::Date._parse(self, false). + values_at(:year, :mon, :mday, :hour, :min, :sec, :zone, :sec_fraction). + map! { |arg| arg || 0 } + date_values[5] += date_values.pop + + ::DateTime.civil(*date_values) + end end end diff --git a/activesupport/lib/active_support/core_ext/string/filters.rb b/activesupport/lib/active_support/core_ext/string/filters.rb index 1a34e88a87..32a37296d5 100644 --- a/activesupport/lib/active_support/core_ext/string/filters.rb +++ b/activesupport/lib/active_support/core_ext/string/filters.rb @@ -22,26 +22,33 @@ class String # Truncates a given +text+ after a given <tt>length</tt> if +text+ is longer than <tt>length</tt>: # - # "Once upon a time in a world far far away".truncate(27) + # 'Once upon a time in a world far far away'.truncate(27) # # => "Once upon a time in a wo..." # - # Pass a <tt>:separator</tt> to truncate +text+ at a natural break: + # Pass a string or regexp <tt>:separator</tt> to truncate +text+ at a natural break: # - # "Once upon a time in a world far far away".truncate(27, :separator => ' ') + # 'Once upon a time in a world far far away'.truncate(27, :separator => ' ') + # # => "Once upon a time in a..." + # + # 'Once upon a time in a world far far away'.truncate(27, :separator => /\s/) # # => "Once upon a time in a..." # # The last characters will be replaced with the <tt>:omission</tt> string (defaults to "...") # for a total length not exceeding <tt>:length</tt>: # - # "And they found that many people were sleeping better.".truncate(25, :omission => "... (continued)") + # 'And they found that many people were sleeping better.'.truncate(25, :omission => '... (continued)') # # => "And they f... (continued)" - def truncate(length, options = {}) - return self.dup unless self.length > length + def truncate(truncate_at, options = {}) + return dup unless length > truncate_at - options[:omission] ||= "..." - length_with_room_for_omission = length - options[:omission].length - stop = options[:separator] ? - (rindex(options[:separator], length_with_room_for_omission) || length_with_room_for_omission) : length_with_room_for_omission + options[:omission] ||= '...' + length_with_room_for_omission = truncate_at - options[:omission].length + stop = \ + if options[:separator] + rindex(options[:separator], length_with_room_for_omission) || length_with_room_for_omission + else + length_with_room_for_omission + end self[0...stop] + options[:omission] end diff --git a/activesupport/lib/active_support/core_ext/string/inflections.rb b/activesupport/lib/active_support/core_ext/string/inflections.rb index 1e57b586d9..049ffe7986 100644 --- a/activesupport/lib/active_support/core_ext/string/inflections.rb +++ b/activesupport/lib/active_support/core_ext/string/inflections.rb @@ -4,7 +4,7 @@ require 'active_support/inflector/transliterate' # String inflections define new methods on the String class to transform names for different purposes. # For instance, you can figure out the name of a table from the name of a class. # -# "ScaleScore".tableize # => "scale_scores" +# 'ScaleScore'.tableize # => "scale_scores" # class String # Returns the plural form of the word in the string. @@ -14,14 +14,14 @@ class String # For any other value of +count+ the plural will be returned. # # ==== Examples - # "post".pluralize # => "posts" - # "octopus".pluralize # => "octopi" - # "sheep".pluralize # => "sheep" - # "words".pluralize # => "words" - # "the blue mailman".pluralize # => "the blue mailmen" - # "CamelOctopus".pluralize # => "CamelOctopi" - # "apple".pluralize(1) # => "apple" - # "apple".pluralize(2) # => "apples" + # 'post'.pluralize # => "posts" + # 'octopus'.pluralize # => "octopi" + # 'sheep'.pluralize # => "sheep" + # 'words'.pluralize # => "words" + # 'the blue mailman'.pluralize # => "the blue mailmen" + # 'CamelOctopus'.pluralize # => "CamelOctopi" + # 'apple'.pluralize(1) # => "apple" + # 'apple'.pluralize(2) # => "apples" def pluralize(count = nil) if count == 1 self @@ -32,12 +32,12 @@ class String # The reverse of +pluralize+, returns the singular form of a word in a string. # - # "posts".singularize # => "post" - # "octopi".singularize # => "octopus" - # "sheep".singularize # => "sheep" - # "word".singularize # => "word" - # "the blue mailmen".singularize # => "the blue mailman" - # "CamelOctopi".singularize # => "CamelOctopus" + # 'posts'.singularize # => "post" + # 'octopi'.singularize # => "octopus" + # 'sheep'.singularize # => "sheep" + # 'word'.singularize # => "word" + # 'the blue mailmen'.singularize # => "the blue mailman" + # 'CamelOctopi'.singularize # => "CamelOctopus" def singularize ActiveSupport::Inflector.singularize(self) end @@ -47,9 +47,9 @@ class String # or is not initialized. See ActiveSupport::Inflector.constantize # # Examples - # "Module".constantize # => Module - # "Class".constantize # => Class - # "blargle".constantize # => NameError: wrong constant name blargle + # 'Module'.constantize # => Module + # 'Class'.constantize # => Class + # 'blargle'.constantize # => NameError: wrong constant name blargle def constantize ActiveSupport::Inflector.constantize(self) end @@ -59,9 +59,9 @@ class String # or is not initialized. See ActiveSupport::Inflector.safe_constantize # # Examples - # "Module".safe_constantize # => Module - # "Class".safe_constantize # => Class - # "blargle".safe_constantize # => nil + # 'Module'.safe_constantize # => Module + # 'Class'.safe_constantize # => Class + # 'blargle'.safe_constantize # => nil def safe_constantize ActiveSupport::Inflector.safe_constantize(self) end @@ -71,14 +71,16 @@ class String # # +camelize+ will also convert '/' to '::' which is useful for converting paths to namespaces. # - # "active_record".camelize # => "ActiveRecord" - # "active_record".camelize(:lower) # => "activeRecord" - # "active_record/errors".camelize # => "ActiveRecord::Errors" - # "active_record/errors".camelize(:lower) # => "activeRecord::Errors" + # 'active_record'.camelize # => "ActiveRecord" + # 'active_record'.camelize(:lower) # => "activeRecord" + # 'active_record/errors'.camelize # => "ActiveRecord::Errors" + # 'active_record/errors'.camelize(:lower) # => "activeRecord::Errors" def camelize(first_letter = :upper) case first_letter - when :upper then ActiveSupport::Inflector.camelize(self, true) - when :lower then ActiveSupport::Inflector.camelize(self, false) + when :upper + ActiveSupport::Inflector.camelize(self, true) + when :lower + ActiveSupport::Inflector.camelize(self, false) end end alias_method :camelcase, :camelize @@ -89,8 +91,8 @@ class String # # +titleize+ is also aliased as +titlecase+. # - # "man from the boondocks".titleize # => "Man From The Boondocks" - # "x-men: the last stand".titleize # => "X Men: The Last Stand" + # 'man from the boondocks'.titleize # => "Man From The Boondocks" + # 'x-men: the last stand'.titleize # => "X Men: The Last Stand" def titleize ActiveSupport::Inflector.titleize(self) end @@ -100,23 +102,23 @@ class String # # +underscore+ will also change '::' to '/' to convert namespaces to paths. # - # "ActiveRecord".underscore # => "active_record" - # "ActiveRecord::Errors".underscore # => active_record/errors + # 'ActiveModel'.underscore # => "active_model" + # 'ActiveModel::Errors'.underscore # => "active_model/errors" def underscore ActiveSupport::Inflector.underscore(self) end # Replaces underscores with dashes in the string. # - # "puni_puni" # => "puni-puni" + # 'puni_puni' # => "puni-puni" def dasherize ActiveSupport::Inflector.dasherize(self) end # Removes the module part from the constant expression in the string. # - # "ActiveRecord::CoreExtensions::String::Inflections".demodulize # => "Inflections" - # "Inflections".demodulize # => "Inflections" + # 'ActiveRecord::CoreExtensions::String::Inflections'.demodulize # => "Inflections" + # 'Inflections'.demodulize # => "Inflections" # # See also +deconstantize+. def demodulize @@ -125,11 +127,11 @@ class String # Removes the rightmost segment from the constant expression in the string. # - # "Net::HTTP".deconstantize # => "Net" - # "::Net::HTTP".deconstantize # => "::Net" - # "String".deconstantize # => "" - # "::String".deconstantize # => "" - # "".deconstantize # => "" + # 'Net::HTTP'.deconstantize # => "Net" + # '::Net::HTTP'.deconstantize # => "::Net" + # 'String'.deconstantize # => "" + # '::String'.deconstantize # => "" + # ''.deconstantize # => "" # # See also +demodulize+. def deconstantize @@ -158,9 +160,9 @@ class String # Creates the name of a table like Rails does for models to table names. This method # uses the +pluralize+ method on the last word in the string. # - # "RawScaledScorer".tableize # => "raw_scaled_scorers" - # "egg_and_ham".tableize # => "egg_and_hams" - # "fancyCategory".tableize # => "fancy_categories" + # 'RawScaledScorer'.tableize # => "raw_scaled_scorers" + # 'egg_and_ham'.tableize # => "egg_and_hams" + # 'fancyCategory'.tableize # => "fancy_categories" def tableize ActiveSupport::Inflector.tableize(self) end @@ -169,12 +171,12 @@ class String # Note that this returns a string and not a class. (To convert to an actual class # follow +classify+ with +constantize+.) # - # "egg_and_hams".classify # => "EggAndHam" - # "posts".classify # => "Post" + # 'egg_and_hams'.classify # => "EggAndHam" + # 'posts'.classify # => "Post" # # Singular names are not handled correctly. # - # "business".classify # => "Busines" + # 'business'.classify # => "Busines" def classify ActiveSupport::Inflector.classify(self) end @@ -182,8 +184,8 @@ class String # Capitalizes the first word, turns underscores into spaces, and strips '_id'. # Like +titleize+, this is meant for creating pretty output. # - # "employee_salary" # => "Employee salary" - # "author_id" # => "Author" + # 'employee_salary' # => "Employee salary" + # 'author_id' # => "Author" def humanize ActiveSupport::Inflector.humanize(self) end @@ -193,9 +195,9 @@ class String # the method should put '_' between the name and 'id'. # # Examples - # "Message".foreign_key # => "message_id" - # "Message".foreign_key(false) # => "messageid" - # "Admin::Post".foreign_key # => "post_id" + # 'Message'.foreign_key # => "message_id" + # 'Message'.foreign_key(false) # => "messageid" + # 'Admin::Post'.foreign_key # => "post_id" def foreign_key(separate_class_name_and_id_with_underscore = true) ActiveSupport::Inflector.foreign_key(self, separate_class_name_and_id_with_underscore) end diff --git a/activesupport/lib/active_support/core_ext/string/inquiry.rb b/activesupport/lib/active_support/core_ext/string/inquiry.rb index 5f0a017de6..2562a7cef6 100644 --- a/activesupport/lib/active_support/core_ext/string/inquiry.rb +++ b/activesupport/lib/active_support/core_ext/string/inquiry.rb @@ -4,7 +4,7 @@ class String # Wraps the current string in the <tt>ActiveSupport::StringInquirer</tt> class, # which gives you a prettier way to test for equality. Example: # - # env = "production".inquiry + # env = 'production'.inquiry # env.production? # => true # env.development? # => false def inquiry diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb index 73aa7dd89a..215ba87ca9 100644 --- a/activesupport/lib/active_support/core_ext/string/output_safety.rb +++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb @@ -5,6 +5,8 @@ class ERB module Util HTML_ESCAPE = { '&' => '&', '>' => '>', '<' => '<', '"' => '"' } JSON_ESCAPE = { '&' => '\u0026', '>' => '\u003E', '<' => '\u003C' } + HTML_ESCAPE_ONCE_REGEXP = /[\"><]|&(?!([a-zA-Z]+|(#\d+));)/ + JSON_ESCAPE_REGEXP = /[&"><]/ # A utility method for escaping HTML tag characters. # This method is also aliased as <tt>h</tt>. @@ -13,7 +15,7 @@ class ERB # <%=h @person.name %> # # ==== Example: - # puts html_escape("is a > 0 & a < 10?") + # puts html_escape('is a > 0 & a < 10?') # # => is a > 0 & a < 10? def html_escape(s) s = s.to_s @@ -33,10 +35,25 @@ class ERB singleton_class.send(:remove_method, :html_escape) module_function :html_escape + # A utility method for escaping HTML without affecting existing escaped entities. + # + # ==== Examples + # html_escape_once('1 < 2 & 3') + # # => "1 < 2 & 3" + # + # html_escape_once('<< Accept & Checkout') + # # => "<< Accept & Checkout" + def html_escape_once(s) + result = s.to_s.gsub(HTML_ESCAPE_ONCE_REGEXP) { |special| HTML_ESCAPE[special] } + s.html_safe? ? result.html_safe : result + end + + module_function :html_escape_once + # A utility method for escaping HTML entities in JSON strings # using \uXXXX JavaScript escape sequences for string literals: # - # json_escape("is a > 0 & a < 10?") + # json_escape('is a > 0 & a < 10?') # # => is a \u003E 0 \u0026 a \u003C 10? # # Note that after this operation is performed the output is not @@ -51,7 +68,7 @@ class ERB # <%=j @person.to_json %> # def json_escape(s) - result = s.to_s.gsub(/[&"><]/) { |special| JSON_ESCAPE[special] } + result = s.to_s.gsub(JSON_ESCAPE_REGEXP) { |special| JSON_ESCAPE[special] } s.html_safe? ? result.html_safe : result end @@ -75,40 +92,55 @@ end module ActiveSupport #:nodoc: class SafeBuffer < String - UNSAFE_STRING_METHODS = ["capitalize", "chomp", "chop", "delete", "downcase", "gsub", "lstrip", "next", "reverse", "rstrip", "slice", "squeeze", "strip", "sub", "succ", "swapcase", "tr", "tr_s", "upcase", "prepend"].freeze + UNSAFE_STRING_METHODS = %w( + capitalize chomp chop delete downcase gsub lstrip next reverse rstrip + slice squeeze strip sub succ swapcase tr tr_s upcase prepend + ) alias_method :original_concat, :concat private :original_concat class SafeConcatError < StandardError def initialize - super "Could not concatenate to the buffer because it is not html safe." + super 'Could not concatenate to the buffer because it is not html safe.' end end - def[](*args) - new_safe_buffer = super - new_safe_buffer.instance_eval { @dirty = false } - new_safe_buffer + def [](*args) + if args.size < 2 + super + else + if html_safe? + new_safe_buffer = super + new_safe_buffer.instance_eval { @html_safe = true } + new_safe_buffer + else + to_str[*args] + end + end end def safe_concat(value) - raise SafeConcatError if dirty? + raise SafeConcatError unless html_safe? original_concat(value) end def initialize(*) - @dirty = false + @html_safe = true super end def initialize_copy(other) super - @dirty = other.dirty? + @html_safe = other.html_safe? + end + + def clone_empty + self[0, 0] end def concat(value) - if dirty? || value.html_safe? + if !html_safe? || value.html_safe? super(value) else super(ERB::Util.h(value)) @@ -121,7 +153,7 @@ module ActiveSupport #:nodoc: end def html_safe? - !dirty? + defined?(@html_safe) && @html_safe end def to_s @@ -144,18 +176,12 @@ module ActiveSupport #:nodoc: end # end def #{unsafe_method}!(*args) # def capitalize!(*args) - @dirty = true # @dirty = true + @html_safe = false # @html_safe = false super # super end # end EOT end end - - protected - - def dirty? - @dirty - end end end |