Class | Erubis::TinyEruby |
In: |
erubis/tiny.rb
|
Parent: | Object |
tiny and the simplest implementation of eRuby
ex.
eruby = TinyEruby.new(File.read('example.rhtml')) print eruby.src # print ruby code print eruby.result(binding()) # eval ruby code with Binding object print eruby.evalute(context) # eval ruby code with context object
EMBEDDED_PATTERN | = | /<%(=+|\#)?(.*?)-?%>/m |
src | [R] |
# File erubis/tiny.rb, line 26 def convert(input) src = "_buf = '';" # preamble pos = 0 input.scan(EMBEDDED_PATTERN) do |indicator, code| m = Regexp.last_match text = input[pos...m.begin(0)] pos = m.end(0) #src << " _buf << '" << escape_text(text) << "';" text.gsub!(/['\\]/, '\\\\\&') src << " _buf << '" << text << "';" unless text.empty? if !indicator # <% %> src << code << ";" elsif indicator == '#' # <%# %> src << ("\n" * code.count("\n")) else # <%= %> src << " _buf << (" << code << ").to_s;" 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 61 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