Class: HttpObjects::Headers::Directives::Cache

Inherits:
HttpObjects::Hash show all
Defined in:
lib/http_objects/headers/directives/cache.rb

Overview

Cache-Control = “Cache-Control” “:” 1#cache-directive

cache-directive = cache-request-directive

| cache-response-directive

cache-request-directive =

      "no-cache"                          ; Section 14.9.1
    | "no-store"                          ; Section 14.9.2
    | "max-age" "=" delta-seconds         ; Section 14.9.3, 14.9.4
    | "max-stale" [ "=" delta-seconds ]   ; Section 14.9.3
    | "min-fresh" "=" delta-seconds       ; Section 14.9.3
    | "no-transform"                      ; Section 14.9.5
    | "only-if-cached"                    ; Section 14.9.4
    | cache-extension                     ; Section 14.9.6

cache-response-directive =
      "public"                               ; Section 14.9.1
    | "private" [ "=" <"> 1#field-name <"> ] ; Section 14.9.1
    | "no-cache" [ "=" <"> 1#field-name <"> ]; Section 14.9.1
    | "no-store"                             ; Section 14.9.2
    | "no-transform"                         ; Section 14.9.5
    | "must-revalidate"                      ; Section 14.9.4
    | "proxy-revalidate"                     ; Section 14.9.4
    | "max-age" "=" delta-seconds            ; Section 14.9.3
    | "s-maxage" "=" delta-seconds           ; Section 14.9.3
    | cache-extension                        ; Section 14.9.6

cache-extension = token [ “=” ( token | quoted-string ) ]

Constant Summary collapse

TOKEN =

token [ “=” ( token | quoted-string ) ]

/([^,=]+)(?:=\s*(?:\"([^\"]*)\"|\'([^\']*)\'|([^,]*)))?/

Constants inherited from HttpObjects::Hash

HttpObjects::Hash::MethodCreator

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from HttpObjects::Hash

#[], #[]=, add_attribute, new, #to_s

Methods included from Attributes

#attributes, #register_attribute

Constructor Details

#initialize(value) ⇒ Cache

Returns a new instance of Cache.



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# File 'lib/http_objects/headers/directives/cache.rb', line 72

def initialize(value)
  @raw = value
  @value = value.is_a?(Array)? value.first : value.to_s
end

Instance Attribute Details

#raw ⇒ Object (readonly)

Returns the value of attribute raw.



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# File 'lib/http_objects/headers/directives/cache.rb', line 45

def raw
  @raw
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/http_objects/headers/directives/cache.rb', line 45

def value
  @value
end

Class Method Details

.parse(value) ⇒ Object 



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# File 'lib/http_objects/headers/directives/cache.rb', line 60

def self.parse(value)
  cache = self.new(value)
  cache.value.scan(TOKEN).each do |key, v1, v2, v3|
    key = key.strip
    next if key.length.zero?
    key.downcase!
    key_value = (v1 || v2 || v3).to_s
    cache[key] = key_value.strip
  end
  cache
end