Module: YARD::Templates::Helpers::TextHelper

Defined in:
lib/yard/templates/helpers/text_helper.rb

Overview

Helper methods for text template formats.

Instance Method Summary collapse

Instance Method Details

#align_right(text, spacer = ' ', col = 72) ⇒ String

Returns aligns text to the right.

Returns:

  • (String) —

    aligns text to the right



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# File 'lib/yard/templates/helpers/text_helper.rb', line 37

def align_right(text, spacer = ' ', col = 72)
  text = text[0, col - 4] + '...' if (col - 1 - text.length) < 0
  spacer * (col - 1 - text.length) + " " + text
end

#h(text) ⇒ String

Returns escapes text.

Returns:



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# File 'lib/yard/templates/helpers/text_helper.rb', line 7

def h(text)
  out = ""
  text = text.split(/\n/)
  text.each_with_index do |line, i|
    out << 
    case line
    when /^\s*$/; "\n\n"
    when /^\s+\S/, /^=/; line + "\n"
    else; line + (text[i + 1] =~ /^\s+\S/ ? "\n" : " ")
    end
  end
  out
end

#hr(col = 72, sep = "-") ⇒ String

Returns a horizontal rule for output

Returns:

  • (String) —

    returns a horizontal rule for output



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# File 'lib/yard/templates/helpers/text_helper.rb', line 43

def hr(col = 72, sep = "-")
  sep * col
end

#indent(text, len = 4) ⇒ String

Returns indents text by len characters.

Returns:

  • (String) —

    indents text by len characters.



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# File 'lib/yard/templates/helpers/text_helper.rb', line 27

def indent(text, len = 4)
  text.gsub(/^/, ' ' * len)
end

#signature(meth) ⇒ String

Returns the formatted signature for a method.

Returns:

  • (String) —

    the formatted signature for a method



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# File 'lib/yard/templates/helpers/text_helper.rb', line 48

def signature(meth)
  # use first overload tag if it has a return type and method itself does not
  if !meth.tag(:return) && meth.tag(:overload) && meth.tag(:overload).tag(:return)
    meth = meth.tag(:overload)
  end

  type = options[:default_return] || ""
  if meth.tag(:return) && meth.tag(:return).types
    types = meth.tags(:return).map {|t| t.types ? t.types : [] }.flatten.uniq
    first = types.first
    if types.size == 2 && types.last == 'nil'
      type = first + '?'
    elsif types.size == 2 && types.last =~ /^(Array)?<#{Regexp.quote types.first}>$/
      type = first + '+'
    elsif types.size > 2
      type = [first, '...'].join(', ')
    elsif types == ['void'] && options[:hide_void_return]
      type = ""
    else
      type = types.join(", ")
    end
  end
  type = "(#{type})" if type.include?(',')
  type = " -> #{type} " unless type.empty?
  scope = meth.scope == :class ? "#{meth.namespace.name}." : "#{meth.namespace.name.to_s.downcase}."
  name = meth.name
  blk = format_block(meth)
  args = format_args(meth)
  extras = []
  extras_text = ''
  if rw = meth.namespace.attributes[meth.scope][meth.name]
    attname = [rw[:read] ? 'read' : nil, rw[:write] ? 'write' : nil].compact
    attname = attname.size == 1 ? attname.join('') + 'only' : nil
    extras << attname if attname
  end
  extras << meth.visibility if meth.visibility != :public
  extras_text = '(' + extras.join(", ") + ')' unless extras.empty?
  title = "%s%s%s %s%s%s" % [scope, name, args, blk, type, extras_text]
  title.gsub(/\s+/, ' ')
end

#title_align_right(text, col = 72) ⇒ String

Returns aligns a title to the right.

Returns:

  • (String) —

    aligns a title to the right



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# File 'lib/yard/templates/helpers/text_helper.rb', line 32

def title_align_right(text, col = 72)
  align_right(text, '-', col)
end

#wrap(text, col = 72) ⇒ String

Returns wraps text at col columns.

Returns:

  • (String) —

    wraps text at col columns.



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# File 'lib/yard/templates/helpers/text_helper.rb', line 22

def wrap(text, col = 72)
  text.gsub(/(.{1,#{col}})( +|$\n?)|(.{1,#{col}})/, "\\1\\3\n") 
end