Class: Haml2Slim::Converter

Inherits:
Object
  • Object
show all
Defined in:
lib/haml2slim/converter.rb

Instance Method Summary collapse

Constructor Details

#initialize(haml) ⇒ Converter

Returns a new instance of Converter.



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# File 'lib/haml2slim/converter.rb', line 3

def initialize(haml)
  @slim = ""

  haml.each_line do |line|
    @slim << parse_line(line)
  end
end

Instance Method Details

#parse_attrs(attrs, key_prefix = '') ⇒ Object 



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# File 'lib/haml2slim/converter.rb', line 61

def parse_attrs(attrs, key_prefix='')
  data_temp = {}
  attrs.gsub!(/:data\s*=>\s*\{([^\}]*)\}/) do
    key = rand(99999).to_s
    data_temp[key] = parse_attrs($1, 'data-')
    ":#{key} => #{key}"
  end
  attrs.gsub!(/,?( ?):?"?([^"'{ ]+)"?\s*=>\s*([^,]*)/) do
    space = $1
    key = $2
    value = $3
    wrapped_value = value.to_s =~ /\s+/ ? "(#{value})" : value
    "#{space}#{key_prefix}#{key}=#{wrapped_value}"
  end
  data_temp.each do |k, v|
    attrs.gsub!("#{k}=#{k}", v)
  end
  attrs
end

#parse_line(line) ⇒ Object 



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# File 'lib/haml2slim/converter.rb', line 15

def parse_line(line)
  indent = line[/^[ \t]*/]
  line.strip!

  # removes the HAML's whitespace removal characters ('>' and '<')
  line.gsub!(/(>|<)$/, '')

  converted = case line[0, 2]
    when '&=' then line.sub(/^&=/, '==')
    when '!=' then line.sub(/^!=/, '==')
    when '-#' then line.sub(/^-#/, '/')
    when '#{' then line
    else
      case line[0]
        when ?%, ?., ?# then parse_tag(line)
        when ?:         then "#{line[1..-1]}:"
        when ?!         then line == "!!!" ? line.sub(/^!!!/, 'doctype html') : line.sub(/^!!!/, 'doctype') 
        when ?-, ?=     then line
        when ?~         then line.sub(/^~/, '=')
        when ?/         then line.sub(/^\//, '/!')
        when ?\         then line.sub(/^\\/, '|')
        when nil        then ""
        else "| #{line}"
      end
  end

  if converted.chomp!(' |')
    converted.sub!(/^\| /, '')
    converted << ' \\'
  end

  "#{indent}#{converted}\n"
end

#parse_tag(tag_line) ⇒ Object 



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# File 'lib/haml2slim/converter.rb', line 49

def parse_tag(tag_line)
  tag_line.sub!(/^%/, '')
  tag_line.sub!(/^(\w+)!=/, '\1==')

  if tag_line_contains_attr = tag_line.match(/([^\{]+)\{(.+)\}(.*)/)
    tag, attrs, text = *tag_line_contains_attr[1..3]
    "#{tag} #{parse_attrs(attrs)} #{text}"
  else
    tag_line.sub(/^!=/, '=')
  end
end

#to_s ⇒ Object 



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# File 'lib/haml2slim/converter.rb', line 11

def to_s
  @slim
end