Class: Plato::PathTemplate
- Inherits:
-
Object
- Object
- Plato::PathTemplate
- Defined in:
- lib/plato/path_template.rb
Instance Attribute Summary collapse
-
#keys ⇒ Object
readonly
Returns the value of attribute keys.
-
#template ⇒ Object
readonly
Returns the value of attribute template.
Instance Method Summary collapse
-
#initialize(string) ⇒ PathTemplate
constructor
A new instance of PathTemplate.
- #materialize(attributes) ⇒ Object
- #parse(path) ⇒ Object
Constructor Details
#initialize(string) ⇒ PathTemplate
Returns a new instance of PathTemplate.
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# File 'lib/plato/path_template.rb', line 5 def initialize(string) @template = string compile! end |
Instance Attribute Details
#keys ⇒ Object (readonly)
Returns the value of attribute keys.
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# File 'lib/plato/path_template.rb', line 3 def keys @keys end |
#template ⇒ Object (readonly)
Returns the value of attribute template.
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# File 'lib/plato/path_template.rb', line 3 def template @template end |
Instance Method Details
#materialize(attributes) ⇒ Object
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# File 'lib/plato/path_template.rb', line 10 def materialize(attributes) values = attributes.values_at(*keys).compact unless values.length == keys.length raise ArgumentError, "missing required values for path materialization (#{keys.join(', ')})" end @materializer.call(values) end |
#parse(path) ⇒ Object
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# File 'lib/plato/path_template.rb', line 19 def parse(path) match = path.match(@parser) return nil unless match match = match.to_a match.shift Hash[*keys.zip(match).flatten] end |