Class: Bricolage::ResolvedVariables

Inherits:
Object
  • Object
show all
Defined in:
lib/bricolage/variables.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ResolvedVariables

Returns a new instance of ResolvedVariables.



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# File 'lib/bricolage/variables.rb', line 121

def initialize
  @vars = {}
end

Class Method Details

.define ⇒ Object 



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# File 'lib/bricolage/variables.rb', line 114

def ResolvedVariables.define
  new.tap {|vars|
    yield vars
    vars.freeze
  }
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/bricolage/variables.rb', line 154

def [](name)
  var = @vars[name.to_s] or raise ParameterError, "undefined parameter: #{name}"
  var.value
end

#add(var) ⇒ Object 



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# File 'lib/bricolage/variables.rb', line 138

def add(var)
  raise "[BUG] unresolved variable: #{var.name}" unless var.resolved?
  @vars[var.name] = var
end

#bind_declarations(decls) ⇒ Object 



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# File 'lib/bricolage/variables.rb', line 171

def bind_declarations(decls)
  decls.each do |decl|
    unless bound?(decl.name)
      raise ParameterError, "script parameter not given: #{decl.name}"
    end
  end
end

#bound?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bricolage/variables.rb', line 150

def bound?(name)
  @vars.key?(name.to_s)
end

#each_variable(&block) ⇒ Object 



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# File 'lib/bricolage/variables.rb', line 163

def each_variable(&block)
  @vars.each_value(&block)
end

#expand(str) ⇒ Object 



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# File 'lib/bricolage/variables.rb', line 167

def expand(str)
  Variable.expand_string(str) {|name| self[name] }
end

#freeze ⇒ Object 



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# File 'lib/bricolage/variables.rb', line 133

def freeze
  @vars.freeze
  super
end

#inspect ⇒ Object 



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# File 'lib/bricolage/variables.rb', line 125

def inspect
  "\#<#{self.class} #{@vars.inspect}>"
end

#keys ⇒ Object 



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# File 'lib/bricolage/variables.rb', line 159

def keys
  @vars.keys
end

#resolve_update(unresolved) ⇒ Object 



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# File 'lib/bricolage/variables.rb', line 143

def resolve_update(unresolved)
  raise "[BUG] already resolved variables given" if unresolved.resolved?
  unresolved.resolve_with(self).each_variable do |var|
    add var
  end
end

#resolved? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bricolage/variables.rb', line 129

def resolved?
  true
end