diff options
Diffstat (limited to 'actionpack/lib/action_controller/routing/segments.rb')
| -rw-r--r-- | actionpack/lib/action_controller/routing/segments.rb | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/actionpack/lib/action_controller/routing/segments.rb b/actionpack/lib/action_controller/routing/segments.rb deleted file mode 100644 index 2603855476..0000000000 --- a/actionpack/lib/action_controller/routing/segments.rb +++ /dev/null @@ -1,343 +0,0 @@ -module ActionController - module Routing - class Segment #:nodoc: - RESERVED_PCHAR = ':@&=+$,;%' - SAFE_PCHAR = "#{URI::REGEXP::PATTERN::UNRESERVED}#{RESERVED_PCHAR}" - if RUBY_VERSION >= '1.9' - UNSAFE_PCHAR = Regexp.new("[^#{SAFE_PCHAR}]", false).freeze - else - UNSAFE_PCHAR = Regexp.new("[^#{SAFE_PCHAR}]", false, 'N').freeze - end - - # TODO: Convert :is_optional accessor to read only - attr_accessor :is_optional - alias_method :optional?, :is_optional - - def initialize - @is_optional = false - end - - def number_of_captures - Regexp.new(regexp_chunk).number_of_captures - end - - def extraction_code - nil - end - - # Continue generating string for the prior segments. - def continue_string_structure(prior_segments) - if prior_segments.empty? - interpolation_statement(prior_segments) - else - new_priors = prior_segments[0..-2] - prior_segments.last.string_structure(new_priors) - end - end - - def interpolation_chunk - URI.escape(value, UNSAFE_PCHAR) - end - - # Return a string interpolation statement for this segment and those before it. - def interpolation_statement(prior_segments) - chunks = prior_segments.collect { |s| s.interpolation_chunk } - chunks << interpolation_chunk - "\"#{chunks * ''}\"#{all_optionals_available_condition(prior_segments)}" - end - - def string_structure(prior_segments) - optional? ? continue_string_structure(prior_segments) : interpolation_statement(prior_segments) - end - - # Return an if condition that is true if all the prior segments can be generated. - # If there are no optional segments before this one, then nil is returned. - def all_optionals_available_condition(prior_segments) - optional_locals = prior_segments.collect { |s| s.local_name if s.optional? && s.respond_to?(:local_name) }.compact - optional_locals.empty? ? nil : " if #{optional_locals * ' && '}" - end - - # Recognition - - def match_extraction(next_capture) - nil - end - - # Warning - - # Returns true if this segment is optional? because of a default. If so, then - # no warning will be emitted regarding this segment. - def optionality_implied? - false - end - end - - class StaticSegment < Segment #:nodoc: - attr_reader :value, :raw - alias_method :raw?, :raw - - def initialize(value = nil, options = {}) - super() - @value = value - @raw = options[:raw] if options.key?(:raw) - @is_optional = options[:optional] if options.key?(:optional) - end - - def interpolation_chunk - raw? ? value : super - end - - def regexp_chunk - chunk = Regexp.escape(value) - optional? ? Regexp.optionalize(chunk) : chunk - end - - def number_of_captures - 0 - end - - def build_pattern(pattern) - escaped = Regexp.escape(value) - if optional? && ! pattern.empty? - "(?:#{Regexp.optionalize escaped}\\Z|#{escaped}#{Regexp.unoptionalize pattern})" - elsif optional? - Regexp.optionalize escaped - else - escaped + pattern - end - end - - def to_s - value - end - end - - class DividerSegment < StaticSegment #:nodoc: - def initialize(value = nil, options = {}) - super(value, {:raw => true, :optional => true}.merge(options)) - end - - def optionality_implied? - true - end - end - - class DynamicSegment < Segment #:nodoc: - attr_reader :key - - # TODO: Convert these accessors to read only - attr_accessor :default, :regexp - - def initialize(key = nil, options = {}) - super() - @key = key - @default = options[:default] if options.key?(:default) - @regexp = options[:regexp] if options.key?(:regexp) - @is_optional = true if options[:optional] || options.key?(:default) - end - - def to_s - ":#{key}" - end - - # The local variable name that the value of this segment will be extracted to. - def local_name - "#{key}_value" - end - - def extract_value - "#{local_name} = hash[:#{key}] && hash[:#{key}].to_param #{"|| #{default.inspect}" if default}" - end - - def value_check - if default # Then we know it won't be nil - "#{value_regexp.inspect} =~ #{local_name}" if regexp - elsif optional? - # If we have a regexp check that the value is not given, or that it matches. - # If we have no regexp, return nil since we do not require a condition. - "#{local_name}.nil? || #{value_regexp.inspect} =~ #{local_name}" if regexp - else # Then it must be present, and if we have a regexp, it must match too. - "#{local_name} #{"&& #{value_regexp.inspect} =~ #{local_name}" if regexp}" - end - end - - def expiry_statement - "expired, hash = true, options if !expired && expire_on[:#{key}]" - end - - def extraction_code - s = extract_value - vc = value_check - s << "\nreturn [nil,nil] unless #{vc}" if vc - s << "\n#{expiry_statement}" - end - - def interpolation_chunk(value_code = local_name) - "\#{URI.escape(#{value_code}.to_s, ActionController::Routing::Segment::UNSAFE_PCHAR)}" - end - - def string_structure(prior_segments) - if optional? # We have a conditional to do... - # If we should not appear in the url, just write the code for the prior - # segments. This occurs if our value is the default value, or, if we are - # optional, if we have nil as our value. - "if #{local_name} == #{default.inspect}\n" + - continue_string_structure(prior_segments) + - "\nelse\n" + # Otherwise, write the code up to here - "#{interpolation_statement(prior_segments)}\nend" - else - interpolation_statement(prior_segments) - end - end - - def value_regexp - Regexp.new "\\A#{regexp.to_s}\\Z" if regexp - end - - def regexp_chunk - regexp ? regexp_string : default_regexp_chunk - end - - def regexp_string - regexp_has_modifiers? ? "(#{regexp.to_s})" : "(#{regexp.source})" - end - - def default_regexp_chunk - "([^#{Routing::SEPARATORS.join}]+)" - end - - def number_of_captures - regexp ? regexp.number_of_captures + 1 : 1 - end - - def build_pattern(pattern) - pattern = "#{regexp_chunk}#{pattern}" - optional? ? Regexp.optionalize(pattern) : pattern - end - - def match_extraction(next_capture) - # All non code-related keys (such as :id, :slug) are URI-unescaped as - # path parameters. - default_value = default ? default.inspect : nil - %[ - value = if (m = match[#{next_capture}]) - URI.unescape(m) - else - #{default_value} - end - params[:#{key}] = value if value - ] - end - - def optionality_implied? - [:action, :id].include? key - end - - def regexp_has_modifiers? - regexp.options & (Regexp::IGNORECASE | Regexp::EXTENDED) != 0 - end - end - - class ControllerSegment < DynamicSegment #:nodoc: - def regexp_chunk - possible_names = Routing.possible_controllers.collect { |name| Regexp.escape name } - "(?i-:(#{(regexp || Regexp.union(*possible_names)).source}))" - end - - # Don't URI.escape the controller name since it may contain slashes. - def interpolation_chunk(value_code = local_name) - "\#{#{value_code}.to_s}" - end - - # Make sure controller names like Admin/Content are correctly normalized to - # admin/content - def extract_value - "#{local_name} = (hash[:#{key}] #{"|| #{default.inspect}" if default}).downcase" - end - - def match_extraction(next_capture) - if default - "params[:#{key}] = match[#{next_capture}] ? match[#{next_capture}].downcase : '#{default}'" - else - "params[:#{key}] = match[#{next_capture}].downcase if match[#{next_capture}]" - end - end - end - - class PathSegment < DynamicSegment #:nodoc: - def interpolation_chunk(value_code = local_name) - "\#{#{value_code}}" - end - - def extract_value - "#{local_name} = hash[:#{key}] && Array(hash[:#{key}]).collect { |path_component| URI.escape(path_component.to_param, ActionController::Routing::Segment::UNSAFE_PCHAR) }.to_param #{"|| #{default.inspect}" if default}" - end - - def default - '' - end - - def default=(path) - raise RoutingError, "paths cannot have non-empty default values" unless path.blank? - end - - def match_extraction(next_capture) - "params[:#{key}] = PathSegment::Result.new_escaped((match[#{next_capture}]#{" || " + default.inspect if default}).split('/'))#{" if match[" + next_capture + "]" if !default}" - end - - def default_regexp_chunk - "(.*)" - end - - def number_of_captures - regexp ? regexp.number_of_captures : 1 - end - - def optionality_implied? - true - end - - class Result < ::Array #:nodoc: - def to_s() join '/' end - def self.new_escaped(strings) - new strings.collect {|str| URI.unescape str} - end - end - end - - # The OptionalFormatSegment allows for any resource route to have an optional - # :format, which decreases the amount of routes created by 50%. - class OptionalFormatSegment < DynamicSegment - - def initialize(key = nil, options = {}) - super(:format, {:optional => true}.merge(options)) - end - - def interpolation_chunk - "." + super - end - - def regexp_chunk - '/|(\.[^/?\.]+)?' - end - - def to_s - '(.:format)?' - end - - def extract_value - "#{local_name} = options[:#{key}] && options[:#{key}].to_s.downcase" - end - - #the value should not include the period (.) - def match_extraction(next_capture) - %[ - if (m = match[#{next_capture}]) - params[:#{key}] = URI.unescape(m.from(1)) - end - ] - end - end - - end -end |