class TracLang::Bindings
Binding of name to Form
represented by the name.
Attributes
bindings[R]
Hash map of names to Forms.
Public Class Methods
new(*bindings)
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Creates bindings from list of names and Forms.
# File lib/trac_lang/bindings.rb, line 13 def initialize(*bindings) @bindings = Hash[bindings] end
Public Instance Methods
add(*binding)
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Adds a binding to the map of bindings. Will replace a binding with the same name.
# File lib/trac_lang/bindings.rb, line 23 def add(*binding) if binding[0].is_a? Array @bindings.merge!(Hash[binding]) else @bindings.merge!(Hash[[binding]]) end end
clear()
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Clears all bindings.
# File lib/trac_lang/bindings.rb, line 18 def clear @bindings.clear end
delete(name)
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Unbinds any Form
bound to the given name.
# File lib/trac_lang/bindings.rb, line 43 def delete(name) @bindings.delete(name) end
each(&blk)
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Passes each binding to the given block.
# File lib/trac_lang/bindings.rb, line 48 def each(&blk) @bindings.each(&blk) end
fetch(name)
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fetch_binding(name)
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Fetches the binding for the given name, or nil if nothing has the given name.
# File lib/trac_lang/bindings.rb, line 37 def fetch_binding(name) f = @bindings.fetch(name, nil) return f ? [name, f] : nil end