Class | Erubis::PI::TinyEruby |
In: |
lib/erubis/tiny.rb
|
Parent: | Object |
EMBEDDED_PATTERN | = | /(^[ \t]*)?<\?rb(\s.*?)\?>([ \t]*\r?\n)?|@(!+)?\{(.*?)\}@/m |
src | [R] |
# File lib/erubis/tiny.rb, line 81 81: def initialize(input=nil, options={}) 82: @escape = options[:escape] || 'Erubis::XmlHelper.escape_xml' 83: @src = convert(input) if input 84: end
# File lib/erubis/tiny.rb, line 90 90: def convert(input) 91: src = "_buf = '';" # preamble 92: pos = 0 93: input.scan(EMBEDDED_PATTERN) do |lspace, stmt, rspace, indicator, expr| 94: match = Regexp.last_match 95: len = match.begin(0) - pos 96: text = input[pos, len] 97: pos = match.end(0) 98: #src << " _buf << '" << escape_text(text) << "';" 99: text.gsub!(/['\\]/, '\\\\\&') 100: src << " _buf << '" << text << "';" unless text.empty? 101: if stmt # <?rb ... ?> 102: if lspace && rspace 103: src << "#{lspace}#{stmt}#{rspace}" 104: else 105: src << " _buf << '" << lspace << "';" if lspace 106: src << stmt << ";" 107: src << " _buf << '" << rspace << "';" if rspace 108: end 109: else # ${...}, $!{...} 110: if !indicator 111: src << " _buf << " << @escape << "(" << expr << ");" 112: elsif indicator == '!' 113: src << " _buf << (" << expr << ").to_s;" 114: end 115: end 116: end 117: #rest = $' || input # ruby1.8 118: rest = pos == 0 ? input : input[pos..-1] # ruby1.9 119: #src << " _buf << '" << escape_text(rest) << "';" 120: rest.gsub!(/['\\]/, '\\\\\&') 121: src << " _buf << '" << rest << "';" unless rest.empty? 122: src << "\n_buf.to_s\n" # postamble 123: return src 124: end
# File lib/erubis/tiny.rb, line 134 134: def evaluate(_context=Object.new) 135: if _context.is_a?(Hash) 136: _obj = Object.new 137: _context.each do |k, v| _obj.instance_variable_set("@#{k}", v) end 138: _context = _obj 139: end 140: _context.instance_eval @src 141: end