Class: Erubis::PI::TinyEruby
- Inherits:
-
Object
- Object
- Erubis::PI::TinyEruby
- Defined in:
- lib/erubis/tiny.rb
Constant Summary collapse
- EMBEDDED_PATTERN =
/(^[ \t]*)?<\?rb(\s.*?)\?>([ \t]*\r?\n)?|@(!+)?\{(.*?)\}@/m
Instance Attribute Summary collapse
-
#src ⇒ Object
readonly
Returns the value of attribute src.
Instance Method Summary collapse
- #convert(input) ⇒ Object
- #evaluate(_context = Object.new) ⇒ Object
-
#initialize(input = nil, options = {}) ⇒ TinyEruby
constructor
A new instance of TinyEruby.
-
#result(_binding = TOPLEVEL_BINDING) ⇒ Object
def escape_text(text) return text.gsub!(//, ‘\\&’) || text end.
Constructor Details
#initialize(input = nil, options = {}) ⇒ TinyEruby
Returns a new instance of TinyEruby.
81 82 83 84 |
# File 'lib/erubis/tiny.rb', line 81 def initialize(input=nil, ={}) @escape = [:escape] || 'Erubis::XmlHelper.escape_xml' @src = convert(input) if input end |
Instance Attribute Details
#src ⇒ Object (readonly)
Returns the value of attribute src.
86 87 88 |
# File 'lib/erubis/tiny.rb', line 86 def src @src end |
Instance Method Details
#convert(input) ⇒ Object
90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 |
# File 'lib/erubis/tiny.rb', line 90 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 |
#evaluate(_context = Object.new) ⇒ Object
134 135 136 137 138 139 140 141 |
# File 'lib/erubis/tiny.rb', line 134 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 |
#result(_binding = TOPLEVEL_BINDING) ⇒ Object
def escape_text(text)
return text.gsub!(/['\\]/, '\\\\\&') || text
end
130 131 132 |
# File 'lib/erubis/tiny.rb', line 130 def result(_binding=TOPLEVEL_BINDING) eval @src, _binding end |