Class: KDL::Builder

Inherits:
BasicObject
Defined in:
lib/kdl/builder.rb

Defined Under Namespace

Classes: Error

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/kdl/builder.rb', line 7

def initialize
  @nesting = []
  @document = Document.new
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, **props, &block) ⇒ Object 



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# File 'lib/kdl/builder.rb', line 64

def method_missing(name, *args, **props, &block)
  node name, *args, **props, &block
end

Instance Method Details

#arg(value, type: nil) ⇒ Object 



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# File 'lib/kdl/builder.rb', line 41

def arg(value, type: nil)
  if n = current_node
    val = Value.from(value)
    val = val.as_type(type) if type
    n.arguments << val
    val
  else
    raise Error, "Can't do argument, not inside Node"
  end
end

#document(&block) ⇒ Object 



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# File 'lib/kdl/builder.rb', line 12

def document(&block)
  yield if block
  @document
end

#node(name = nil, *args, type: nil, **props, &block) ⇒ Object Also known as: _ 



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# File 'lib/kdl/builder.rb', line 17

def node(name = nil, *args, type: nil, **props, &block)
  n = Node.new(name&.to_s || "node", type:)
  @nesting << n
  args.each do |value|
    case value
    when ::Hash
      value.each { |k, v| prop k, v }
    else arg value
    end
  end
  props.each do |key, value|
    prop key, value
  end
  yield if block
  @nesting.pop
  if parent = current_node
    parent.children << n
  else
    @document << n
  end
  n
end

#prop(key, value, type: nil) ⇒ Object 



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# File 'lib/kdl/builder.rb', line 52

def prop(key, value, type: nil)
  key = key.to_s
  if n = current_node
    val = Value.from(value)
    val = val.as_type(type) if type
    n.properties[key] = val
    val
  else
    raise Error, "Can't do property, not inside Node"
  end
end