Module: Jekyll::AsciiDoc::Utils

Extended by:
Utils
Included in:
Utils
Defined in:
lib/jekyll-asciidoc/utils.rb

Constant Summary collapse

NewLine = 
%(\n)
StandaloneOptionLine = 
%([%standalone]#{NewLine})
AttributeReferenceRx = 
/\\?\{(\w+(?:[\-]\w+)*)\}/

Instance Method Summary collapse

Instance Method Details

#get_converter(site) ⇒ Object 



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# File 'lib/jekyll-asciidoc/utils.rb', line 55

def get_converter site
  site.find_converter_instance Converter
end

#has_front_matter?(dlg_method, asciidoc_ext_re, path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jekyll-asciidoc/utils.rb', line 8

def has_front_matter? dlg_method, asciidoc_ext_re, path
  (::File.extname path) =~ asciidoc_ext_re ? true : (dlg_method.call path)
end

#hashify_attributes(attrs, initial = {}) ⇒ Object 



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# File 'lib/jekyll-asciidoc/utils.rb', line 16

def hashify_attributes attrs, initial = {}
  if (is_array = ::Array === attrs) || ::Hash === attrs
    attrs.each_with_object(initial) {|entry, new_attrs|
      key, val = is_array ? ((entry.split '=', 2) + ['', ''])[0..1] : entry
      if key.start_with? '!'
        new_attrs[key[1..-1]] = nil
      elsif key.end_with? '!'
        new_attrs[key.chop] = nil
      else
        new_attrs[key] = val ? (resolve_attribute_refs val, new_attrs) : nil
      end
    }
  else
    initial
  end
end

#parse_yaml_value(val) ⇒ Object

Parse the specified value as though it is a single-line value part of a YAML key/value pair.

Attempt to parse the specified String value as though it is a single-line value part of a YAML key/value pair. If the value fails to parse, wrap the value in single quotes (after escaping any single quotes in the value) and parse it as a character sequence. If the value is empty, return an empty String.

val - The String value to parse.

Returns an [Object] parsed from the string-based YAML value or empty

String

if the specified value is empty.



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# File 'lib/jekyll-asciidoc/utils.rb', line 72

def parse_yaml_value val
  if val.empty?
    ''
  else
    begin
      ::SafeYAML.load %(--- #{val})
    rescue
      val = val.gsub '\'', '\'\'' if val.include? '\''
      ::SafeYAML.load %(--- \'#{val}\')
    end
  end
end

#resolve_attribute_refs(text, table) ⇒ Object 



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# File 'lib/jekyll-asciidoc/utils.rb', line 33

def resolve_attribute_refs text, table
  if text.empty?
    text
  elsif text.include? '{'
    text.gsub AttributeReferenceRx do
      if $&.start_with? '\\'
        $&[1..-1]
      elsif (value = table[$1])
        value
      else
        $&
      end
    end
  else
    text
  end
end

#symbolize_keys(hash) ⇒ Object 



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# File 'lib/jekyll-asciidoc/utils.rb', line 51

def symbolize_keys hash
  hash.each_with_object({}) {|(key, val), accum| accum[key.to_sym] = val }
end