Class | Erubis::PI::TinyEruby |
In: |
erubis/tiny.rb
|
Parent: | Object |
EMBEDDED_PATTERN | = | /(^[ \t]*)?<\?rb(\s.*?)\?>([ \t]*\r?\n)?|@(!+)?\{(.*?)\}@/m |
src | [R] |
# File erubis/tiny.rb, line 79 def initialize(input=nil, options={}) @escape = options[:escape] || 'Erubis::XmlHelper.escape_xml' @src = convert(input) if input end
# File erubis/tiny.rb, line 88 def convert(input) src = "_buf = '';" # preamble pos = 0 input.scan(EMBEDDED_PATTERN) do |lspace, stmt, rspace, indicator, expr| match = Regexp.last_match len = match.begin(0) - pos text = input[pos, len] pos = match.end(0) #src << " _buf << '" << escape_text(text) << "';" text.gsub!(/['\\]/, '\\\\\&') src << " _buf << '" << text << "';" unless text.empty? if stmt # <?rb ... ?> if lspace && rspace src << "#{lspace}#{stmt}#{rspace}" else src << " _buf << '" << lspace << "';" if lspace src << stmt << ";" src << " _buf << '" << rspace << "';" if rspace end else # ${...}, $!{...} if !indicator src << " _buf << " << @escape << "(" << expr << ");" elsif indicator == '!' src << " _buf << (" << expr << ").to_s;" end end end #rest = $' || input # ruby1.8 rest = pos == 0 ? input : input[pos..-1] # ruby1.9 #src << " _buf << '" << escape_text(rest) << "';" rest.gsub!(/['\\]/, '\\\\\&') src << " _buf << '" << rest << "';" unless rest.empty? src << "\n_buf.to_s\n" # postamble return src end
# File erubis/tiny.rb, line 132 def evaluate(_context=Object.new) if _context.is_a?(Hash) _obj = Object.new _context.each do |k, v| _obj.instance_variable_set("@#{k}", v) end _context = _obj end _context.instance_eval @src end