Module: Erubis::RubyGenerator

Includes:
Generator, StringBufferEnhancer
Included in:
Eruby, PI::Eruby
Defined in:
lib/erubis/engine/eruby.rb

Overview

code generator for Ruby

Instance Attribute Summary

Attributes included from Generator

#escapefunc

Class Method Summary collapse

Instance Method Summary collapse

Methods included from StringBufferEnhancer

#add_postamble, #add_preamble, desc

Methods included from Generator

#add_postamble, #add_preamble

Class Method Details

.supported_properties ⇒ Object

:nodoc:



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# File 'lib/erubis/engine/eruby.rb', line 27

def self.supported_properties()  # :nodoc:
  return []
end

Instance Method Details

#add_expr_debug(src, code) ⇒ Object 



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# File 'lib/erubis/engine/eruby.rb', line 63

def add_expr_debug(src, code)
  code.strip!
  s = (code.dump =~ /\A"(.*)"\z/) && $1
  src << ' $stderr.puts("*** debug: ' << s << '=#{(' << code << ').inspect}");'
end

#add_expr_escaped(src, code) ⇒ Object 



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# File 'lib/erubis/engine/eruby.rb', line 59

def add_expr_escaped(src, code)
  src << " #{@bufvar} << " << escaped_expr(code) << ';'
end

#add_expr_literal(src, code) ⇒ Object 



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# File 'lib/erubis/engine/eruby.rb', line 55

def add_expr_literal(src, code)
  src << " #{@bufvar} << (" << code << ').to_s;'
end

#add_stmt(src, code) ⇒ Object 



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# File 'lib/erubis/engine/eruby.rb', line 49

def add_stmt(src, code)
  #src << code << ';'
  src << code
  src << ';' unless code[-1] == ?\n
end

#add_text(src, text) ⇒ Object

– def add_preamble(src)

src << "#{@bufvar} = [];"

end ++



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# File 'lib/erubis/engine/eruby.rb', line 45

def add_text(src, text)
  src << " #{@bufvar} << '" << escape_text(text) << "';" unless text.empty?
end

#escape_text(text) ⇒ Object 



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# File 'lib/erubis/engine/eruby.rb', line 31

def escape_text(text)
  text.gsub(/['\\]/, '\\\\\&')   # "'" => "\\'",  '\\' => '\\\\'
end

#escaped_expr(code) ⇒ Object 



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# File 'lib/erubis/engine/eruby.rb', line 35

def escaped_expr(code)
  return "#{@escapefunc}(#{code})"
end

#init_generator(properties = {}) ⇒ Object 



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# File 'lib/erubis/engine/eruby.rb', line 21

def init_generator(properties={})
  super
  @escapefunc ||= "Erubis::XmlHelper.escape_xml"
  @bufvar     = properties[:bufvar] || "_buf"
end