Module: EDN

Defined in:
lib/edn.rb,
lib/edn/parser.rb,
lib/edn/reader.rb,
lib/edn/version.rb,
lib/edn/core_ext.rb,
lib/edn/metadata.rb,
lib/edn/transform.rb,
lib/edn/type/list.rb,
lib/edn/type/uuid.rb,
lib/edn/type/symbol.rb,
lib/edn/type/unknown.rb,
lib/edn/string_transformer.rb

Defined Under Namespace

Modules: CoreExt, Metadata, StringTransformer, Type Classes: ParseFailed, Parser, Reader, Transform

Constant Summary collapse

VERSION = 
"1.0.3"

Class Method Summary collapse

Class Method Details

.list(*values) ⇒ Object 



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# File 'lib/edn.rb', line 70

def self.list(*values)
  EDN::Type::List.new(*values)
end

.read(edn) ⇒ Object 



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# File 'lib/edn.rb', line 23

def self.read(edn)
  begin
    tree = @parser.parse(edn)
  rescue Parslet::ParseFailed => error
    message = "Invalid EDN, cannot parse: #{edn}"
    raise ParseFailed.new(message, error)
  end
  @transform.apply(tree)
end

.register(tag, func = nil, &block) ⇒ Object 



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# File 'lib/edn.rb', line 33

def self.register(tag, func = nil, &block)
  if block_given?
    func = block
  end

  if func.nil?
    func = lambda { |x| x }
  end

  if func.is_a?(Class)
    @tags[tag] = lambda { |*args| func.new(*args) }
  else
    @tags[tag] = func
  end
end

.symbol(text) ⇒ Object 



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# File 'lib/edn.rb', line 66

def self.symbol(text)
  EDN::Type::Symbol.new(text)
end

.tagged_element(tag, element) ⇒ Object 



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# File 'lib/edn.rb', line 53

def self.tagged_element(tag, element)
  func = @tags[tag]
  if func
    func.call(element)
  else
    EDN::Type::Unknown.new(tag, element)
  end
end

.tagout(tag, element) ⇒ Object 



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# File 'lib/edn.rb', line 62

def self.tagout(tag, element)
  ["##{tag}", element.to_edn].join(" ")
end

.unregister(tag) ⇒ Object 



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# File 'lib/edn.rb', line 49

def self.unregister(tag)
  @tags[tag] = nil
end