Class: Postsvg::Model::Program

Inherits:
Object
  • Object
show all
Defined in:
lib/postsvg/model/program.rb

Overview

Top-level program node. Carries DSC header (BoundingBox, Title, etc.) and the body — an ordered list of statements, each either a literal (Number/Name/String/Array/Procedure/Dictionary) or an Operator instance.

Defined Under Namespace

Classes: Header

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(header: Header.new, body: []) ⇒ Program

Returns a new instance of Program.



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# File 'lib/postsvg/model/program.rb', line 12

def initialize(header: Header.new, body: [])
  @header = header
  @body = body
  freeze
end

Instance Attribute Details

#body ⇒ Object (readonly)

Returns the value of attribute body.



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# File 'lib/postsvg/model/program.rb', line 10

def body
  @body
end

#header ⇒ Object (readonly)

Returns the value of attribute header.



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# File 'lib/postsvg/model/program.rb', line 10

def header
  @header
end

Instance Method Details

#append(statement) ⇒ Object 



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# File 'lib/postsvg/model/program.rb', line 22

def append(statement)
  Program.new(header: @header, body: @body + [statement])
end

#concat(statements) ⇒ Object 



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# File 'lib/postsvg/model/program.rb', line 26

def concat(statements)
  Program.new(header: @header, body: @body + statements)
end

#with(header: nil, body: nil) ⇒ Object 



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# File 'lib/postsvg/model/program.rb', line 18

def with(header: nil, body: nil)
  Program.new(header: header || @header, body: body || @body)
end