Class: StyledYAML::TreeBuilder

Inherits:
Psych::TreeBuilder
  • Object
show all
Defined in:
lib/locomotive/wagon/tools/styled_yaml.rb

Overview

Custom tree builder class to recognize scalars tagged with ‘yaml_style`

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ TreeBuilder

Returns a new instance of TreeBuilder.



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# File 'lib/locomotive/wagon/tools/styled_yaml.rb', line 56

def initialize(*args)
  super
  @next_sequence_or_mapping_style = nil
end

Instance Attribute Details

#next_sequence_or_mapping_style(default_style) ⇒ Object 



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# File 'lib/locomotive/wagon/tools/styled_yaml.rb', line 61

def next_sequence_or_mapping_style default_style
  style = @next_sequence_or_mapping_style || default_style
  @next_sequence_or_mapping_style = nil
  style
end

Instance Method Details

#scalar(value, anchor, tag, plain, quoted, style) ⇒ Object 



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# File 'lib/locomotive/wagon/tools/styled_yaml.rb', line 67

def scalar value, anchor, tag, plain, quoted, style
  if style_any?(style) and value.respond_to?(:yaml_style) and style = value.yaml_style
    if style_literal? style
      plain = false
      quoted = true
    end
  end
  super
end

#style_any?(style) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/locomotive/wagon/tools/styled_yaml.rb', line 77

def style_any?(style) Psych::Nodes::Scalar::ANY == style end

#style_literal?(style) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/locomotive/wagon/tools/styled_yaml.rb', line 79

def style_literal?(style) Psych::Nodes::Scalar::LITERAL == style end