Class: Propro::Export

Inherits:
Object
  • Object
show all
Defined in:
lib/propro/export.rb

Constant Summary collapse

TAG_SPECIFY = 
'@specify'
TAG_REQUIRE = 
'@require'
EXPORT_BEGIN = 
'export '
COMMENT_RANGE = 
/#(.*)\Z/
DQUO = 
'"'
SQUO = 
'\''
EQ = 
'='
ZERO_STRING = 
''
INTEGER_RE = 
/\A\-{0,1}[0-9]+\Z/
DECIMAL_RE = 
/\A\-{0,1}[0-9]+\.[0-9]+\Z/
SPACE_RE = 
/ /
YES = 
'yes'
NO = 
'no'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, opts = {}) ⇒ Export

Returns a new instance of Export.



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# File 'lib/propro/export.rb', line 57

def initialize(name, opts = {})
  @name         = name.to_s.upcase
  @default      = opts[:default]
  @is_literal   = opts[:is_literal]
  @is_specified = opts[:is_specified]
  @is_required  = opts[:is_required]
  @comment      = opts[:comment]
end

Class Method Details

.parse(line) ⇒ Object 



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# File 'lib/propro/export.rb', line 17

def self.parse(line)
  is_literal   = false
  is_specified = false
  is_required  = false
  comment      = nil
  line         = line.sub(EXPORT_BEGIN, ZERO_STRING)
  name, value  = line.split(EQ, 2)

  if value =~ COMMENT_RANGE
    metacomment = $1
    is_specified = true if metacomment.sub!(TAG_SPECIFY, ZERO_STRING)
    is_required  = true if metacomment.sub!(TAG_REQUIRE, ZERO_STRING)
    metacomment.strip!

    if metacomment != ZERO_STRING
      comment = metacomment
    end
  end

  value.sub!(COMMENT_RANGE, ZERO_STRING)
  value.strip!

  case value[0]
  when DQUO
    value[0]  = ZERO_STRING
    value[-1] = ZERO_STRING
  when SQUO
    is_literal = true
    value[0]   = ZERO_STRING
    value[-1]  = ZERO_STRING
  end

  new name,
    default:      value,
    is_literal:   is_literal,
    is_specified: is_specified,
    is_required:  is_required,
    comment:      comment
end

Instance Method Details

#default ⇒ Object 



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# File 'lib/propro/export.rb', line 82

def default
  cast(@default)
end

#is_literal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/propro/export.rb', line 86

def is_literal?
  @is_literal
end

#is_required? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/propro/export.rb', line 94

def is_required?
  @is_required
end

#is_specified? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/propro/export.rb', line 90

def is_specified?
  @is_specified
end

#key ⇒ Object 



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# File 'lib/propro/export.rb', line 66

def key
  @key ||= @name.downcase.to_sym
end

#to_ruby ⇒ Object 



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# File 'lib/propro/export.rb', line 70

def to_ruby
  args = []
  args << key.inspect
  args << default.inspect
  args << "lit: true" if @is_literal
  if @comment
    "set #{args.join(', ')} # #{@comment}"
  else
    "set #{args.join(', ')}"
  end
end