Class Erubis::PI::TinyEruby
In: lib/erubis/tiny.rb
Parent: Object
Ejava EscapedEjava Engine Eperl Ephp OptimizedEruby Ec Ejavascript Escheme Eruby\n[lib/erubis/engine/eruby.rb\nlib/erubis/helpers/rails_helper.rb] PreprocessingEruby XmlEruby HeaderFooterEruby PrintEnabledEruby StdoutEruby StringBufferEruby BiPatternEruby InterpolationEruby PercentLineEruby PrintOutSimplifiedEruby NoTextEruby ErboutEruby StringIOEruby ArrayEruby PrintOutEruby SimplifiedEruby EscapedEruby DeleteIndentEruby StdoutSimplifiedEruby NoCodeEruby ArrayBufferEruby PreprocessingEruby FastEruby\n[lib/erubis/engine/eruby.rb\nlib/erubis/helpers/rails_helper.rb] EscapedEphp EscapedEc OptimizedXmlEruby EscapedEperl EscapedEjavascript EscapedEscheme Enumerable Context ErubisError NotSupportedError CommandOptionError StandardError RubyEvaluator Eruby RubyGenerator PI::Engine Ejava Eperl Ec Ejavascript Ephp Escheme JavaGenerator PerlGenerator Evaluator Engine PI::Converter Generator CGenerator JavascriptGenerator PhpGenerator SchemeGenerator Basic::Converter Main TinyEruby Engine TinyEruby lib/erubis/engine/escheme.rb lib/erubis/engine/ec.rb lib/erubis/engine/eperl.rb lib/erubis/engine/eruby.rb lib/erubis/engine/ephp.rb lib/erubis/preprocessing.rb lib/erubis/error.rb lib/erubis/engine/ejava.rb lib/erubis/engine/ejavascript.rb lib/erubis/context.rb lib/erubis/engine/optimized.rb lib/erubis/main.rb lib/erubis/engine/enhanced.rb lib/erubis/tiny.rb lib/erubis/engine.rb NoCodeEnhancer ArrayBufferEnhancer StringBufferEnhancer Generator SchemeGenerator OptimizedGenerator lib/erubis/engine/escheme.rb lib/erubis/engine/ec.rb lib/erubis/engine/eperl.rb lib/erubis/engine/eruby.rb lib/erubis/engine/ephp.rb lib/erubis/engine/ejava.rb lib/erubis/engine/ejavascript.rb lib/erubis/tiny.rb lib/erubis/engine.rb Converter PI Converter SimplifyEnhancer StdoutEnhancer HeaderFooterEnhancer RubyGenerator CGenerator PhpGenerator lib/erubis/engine.rb Converter Basic XmlHelper lib/erubis/helpers/rails_helper.rb TemplateConverter RailsHelper RailsFormHelper Helpers BiPatternEnhancer PrintEnabledEnhancer PerlGenerator JavascriptGenerator PreprocessingHelper Evaluator PercentLineEnhancer NoTextEnhancer ErboutEnhancer PrintOutEnhancer EscapeEnhancer JavaGenerator DeleteIndentEnhancer StringIOEnhancer ArrayEnhancer InterpolationEnhancer RubyEvaluator Erubis dot/m_23_0.png

Methods

convert   evaluate   new   result  

Constants

EMBEDDED_PATTERN = /(^[ \t]*)?<\?rb(\s.*?)\?>([ \t]*\r?\n)?|@(!+)?\{(.*?)\}@/m

Attributes

src  [R] 

Public Class methods

[Source]

    # 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

Public Instance methods

[Source]

     # 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

[Source]

     # 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

def escape_text(text)

  return text.gsub!(/['\\]/, '\\\\\&') || text

end

[Source]

     # File lib/erubis/tiny.rb, line 130
130:     def result(_binding=TOPLEVEL_BINDING)
131:       eval @src, _binding
132:     end

[Validate]