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
51 def initialize(hash={})
52   super(hash||{})
53   @next = {}
54 end

Public Instance methods

[]=(k, v)

Update the next hash with the given key and value.

[show source] 
   # File lib/roda/plugins/flash.rb
57 def []=(k, v)
58   @next[k] = v
59 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
63 def discard(key=(no_arg=true))
64   if no_arg
65     @next.clear
66   else
67     @next.delete(key)
68   end
69 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
74 def keep(key=(no_arg=true))
75   if no_arg
76     @next.merge!(self)
77   else
78     self[key] = self[key]
79   end
80 end
sweep()

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

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