Class: TL1::AST::ColonSeparatedVariables

Inherits:
Node
  • Object
show all
Defined in:
lib/tl1/ast.rb

Overview

A sequence of fields or groups of fields separated by colons. This is the “root” AST node for every input message and every record in an output message.

Instance Attribute Summary

Attributes inherited from Node

#fields

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Node

#<=>, #to_json

Constructor Details

#initialize(*fields) ⇒ ColonSeparatedVariables

Returns a new instance of ColonSeparatedVariables.



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# File 'lib/tl1/ast.rb', line 111

def initialize(*fields)
  @fields = fields
end

Class Method Details

.parse(source) ⇒ Object 



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# File 'lib/tl1/ast.rb', line 100

def self.parse(source)
  elements =
    if source.is_a?(String)
      AST.split(source, ':')
    else
      source.fetch('fields')
    end

  new(*elements.map { |e| AST.colon_separated_element(e) })
end

Instance Method Details

#as_json ⇒ Object 



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# File 'lib/tl1/ast.rb', line 115

def as_json
  super(@fields.map(&:as_json))
end

#format(**kwargs) ⇒ Object 



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# File 'lib/tl1/ast.rb', line 119

def format(**kwargs)
  fields.map { |f| f.format(**kwargs) }.join(':')
end

#parse(record_source, record: {}) ⇒ Object 



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# File 'lib/tl1/ast.rb', line 123

def parse(record_source, record: {})
  pairs = AST.split(record_source, ':').zip(@fields)

  pairs.each do |fragment, node|
    node.parse(fragment, record: record)
  end

  record
end