Class: TPPlus::Nodes::CaseNode
- Inherits:
-
Object
- Object
- TPPlus::Nodes::CaseNode
- Defined in:
- lib/tp_plus/nodes/case_node.rb
Instance Method Summary collapse
- #else_condition(context) ⇒ Object
- #eval(context) ⇒ Object
-
#initialize(var, conditions, else_condition) ⇒ CaseNode
constructor
A new instance of CaseNode.
- #other_conditions(context) ⇒ Object
Constructor Details
#initialize(var, conditions, else_condition) ⇒ CaseNode
Returns a new instance of CaseNode.
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# File 'lib/tp_plus/nodes/case_node.rb', line 4 def initialize(var, conditions, else_condition) @var = var @conditions = conditions @else_condition = else_condition end |
Instance Method Details
#else_condition(context) ⇒ Object
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# File 'lib/tp_plus/nodes/case_node.rb', line 10 def else_condition(context) return "" if @else_condition.nil? " ;\n#{@else_condition.eval(context)}" end |
#eval(context) ⇒ Object
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# File 'lib/tp_plus/nodes/case_node.rb', line 28 def eval(context) "SELECT #{@var.eval(context)}#{@conditions.shift.eval(context, no_indent: true)}#{other_conditions(context)}#{else_condition(context)}" end |
#other_conditions(context) ⇒ Object
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# File 'lib/tp_plus/nodes/case_node.rb', line 16 def other_conditions(context) return "" if @conditions.empty? s = " ;\n" @conditions.reject! {|c| c.nil? }.each do |c| s += c.eval(context) s += " ;\n" unless c == @conditions.last end s end |