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 1541

def initialize(var)
  @var = var
end

Instance Attribute Details

#var ⇒ Object (readonly)

Returns the value of attribute var.

# File 'lib/dhall/ast.rb', line 1539

def var
  @var
end

Class Method Details

.decode(*args) ⇒ Object

# File 'lib/dhall/binary.rb', line 248

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

Instance Method Details

#as_json ⇒ Object

# File 'lib/dhall/ast.rb', line 1597

def as_json
  @var
end

#canonical ⇒ Object

# File 'lib/dhall/ast.rb', line 1561

def canonical
  self
end

#chain_onto(relative_to) ⇒ Object

# File 'lib/dhall/ast.rb', line 1545

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 1592

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

#hash ⇒ Object

# File 'lib/dhall/ast.rb', line 1588

def hash
  @var.hash
end

#location ⇒ Object

# File 'lib/dhall/ast.rb', line 1584

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

#origin ⇒ Object

# File 'lib/dhall/ast.rb', line 1573

def origin
  "localhost"
end

#path ⇒ Object

# File 'lib/dhall/ast.rb', line 1553

def path
  []
end

#real_path ⇒ Object

# File 'lib/dhall/ast.rb', line 1565

def real_path
  self
end

#resolve(resolver) ⇒ Object

# File 'lib/dhall/ast.rb', line 1569

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

#to_s ⇒ Object

# File 'lib/dhall/ast.rb', line 1577

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 1557

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