Class: Dhall::Import::EnvironmentVariable

Inherits:

Object

• Object
• Dhall::Import::EnvironmentVariable

Defined in:

lib/dhall/ast.rb,
lib/dhall/binary.rb

Instance Attribute Summary

• #var ⇒ Object readonly

  Returns the value of attribute var.

Class Method Summary

• .decode(*args) ⇒ Object

Instance Method Summary

• #as_json ⇒ Object
• #canonical ⇒ Object
• #chain_onto(relative_to) ⇒ Object
• #eql?(other) ⇒ Boolean (also: #==)
• #hash ⇒ Object
• #initialize(var) ⇒ EnvironmentVariable constructor

  A new instance of EnvironmentVariable.

• #location ⇒ Object
• #origin ⇒ Object
• #path ⇒ Object
• #real_path ⇒ Object
• #resolve(resolver) ⇒ Object
• #to_s ⇒ Object
• #with(path:) ⇒ Object

Constructor Details

#initialize(var) ⇒ EnvironmentVariable

Returns a new instance of EnvironmentVariable.

# File 'lib/dhall/ast.rb', line 1591

def initialize(var)
	@var = var
end

Instance Attribute Details

#var ⇒ Object (readonly)

Returns the value of attribute var.

# File 'lib/dhall/ast.rb', line 1589

def var
  @var
end

Class Method Details

.decode(*args) ⇒ Object

# File 'lib/dhall/binary.rb', line 254

def self.decode(*args)
	new(*args)
end

Instance Method Details

#as_json ⇒ Object

# File 'lib/dhall/ast.rb', line 1647

def as_json
	@var
end

#canonical ⇒ Object

# File 'lib/dhall/ast.rb', line 1611

def canonical
	self
end

#chain_onto(relative_to) ⇒ Object

# File 'lib/dhall/ast.rb', line 1595

def chain_onto(relative_to)
	if relative_to.is_a?(URI)
		raise ImportBannedException, "remote import cannot import #{self}"
	end

	self
end

#eql?(other) ⇒ Boolean Also known as: ==

Returns:

• (Boolean)

# File 'lib/dhall/ast.rb', line 1642

def eql?(other)
	other.is_a?(self.class) && other.var == var
end

#hash ⇒ Object

# File 'lib/dhall/ast.rb', line 1638

def hash
	@var.hash
end

#location ⇒ Object

# File 'lib/dhall/ast.rb', line 1634

def location
	Union.from(Location, "Environment", to_s.as_dhall)
end

#origin ⇒ Object

# File 'lib/dhall/ast.rb', line 1623

def origin
	"localhost"
end

#path ⇒ Object

# File 'lib/dhall/ast.rb', line 1603

def path
	[]
end

#real_path ⇒ Object

# File 'lib/dhall/ast.rb', line 1615

def real_path
	self
end

#resolve(resolver) ⇒ Object

# File 'lib/dhall/ast.rb', line 1619

def resolve(resolver)
	resolver.resolve_environment(self)
end

#to_s ⇒ Object

# File 'lib/dhall/ast.rb', line 1627

def to_s
	escapes = Parser::PosixEnvironmentVariableCharacter::ESCAPES
	"env:#{@var.gsub(/[\"\\\a\b\f\n\r\t\v]/) do |c|
		"\\" + escapes.find { |(_, v)| v == c }.first
	end}"
end

#with(path:) ⇒ Object

# File 'lib/dhall/ast.rb', line 1607

def with(path:)
	Path.from_string(path.join("/"))
end