class Roda::RodaPlugins::Flash::FlashHash

  1. lib/roda/plugins/flash.rb
Superclass: DelegateClass(Hash)

Simple flash hash, where assiging to the hash updates the flash used in the following request.

Methods

Public Class

  1. new

Public Instance

  1. []=
  2. discard
  3. keep
  4. next
  5. sweep

Attributes

next [R]

The flash hash for the next request. This is what gets written to by []=.

Public Class methods

new(hash={})

Setup the next hash when initializing, and handle treat nil as a new empty hash.

[show source] 
   # File lib/roda/plugins/flash.rb
53 def initialize(hash={})
54   super(hash||{})
55   @next = {}
56 end

Public Instance methods

[]=(k, v)

Update the next hash with the given key and value.

[show source] 
   # File lib/roda/plugins/flash.rb
59 def []=(k, v)
60   @next[k] = v
61 end
discard(key=(no_arg=true))

Remove given key from the next hash, or clear the next hash if no argument is given.

[show source] 
   # File lib/roda/plugins/flash.rb
65 def discard(key=(no_arg=true))
66   if no_arg
67     @next.clear
68   else
69     @next.delete(key)
70   end
71 end
keep(key=(no_arg=true))

Copy the entry with the given key from the current hash to the next hash, or copy all entries from the current hash to the next hash if no argument is given.

[show source] 
   # File lib/roda/plugins/flash.rb
76 def keep(key=(no_arg=true))
77   if no_arg
78     @next.merge!(self)
79   else
80     self[key] = self[key]
81   end
82 end
sweep()

Replace the current hash with the next hash and clear the next hash.

[show source] 
   # File lib/roda/plugins/flash.rb
85 def sweep
86   replace(@next)
87   @next.clear
88   self
89 end