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Erubis::JavascriptGenerator

Public Instance Methods

add_expr_debug(src, code) click to toggle source
# File lib/erubis/engine/ejavascript.rb, line 72
def add_expr_debug(src, code)
  add_indent(src, @indent)
  code.strip!
  src << "alert(\"*** debug: #{code}=\"+(#{code}));"
end
add_expr_escaped(src, code) click to toggle source
# File lib/erubis/engine/ejavascript.rb, line 68
def add_expr_escaped(src, code)
  add_expr_literal(src, escaped_expr(code))
end
add_expr_literal(src, code) click to toggle source
# File lib/erubis/engine/ejavascript.rb, line 62
def add_expr_literal(src, code)
  add_indent(src, @indent)
  code.strip!
  src << "#{@bufvar}.push(#{code});"
end
add_indent(src, indent) click to toggle source
# File lib/erubis/engine/ejavascript.rb, line 41
def add_indent(src, indent)
  src << (src.empty? || src[-1] == \n\ ? indent : ' ')
end
add_postamble(src) click to toggle source
# File lib/erubis/engine/ejavascript.rb, line 78
def add_postamble(src)
  src << "\n" if src[-1] == ;;
  if @docwrite
    src << @indent << 'document.write(' << @bufvar << ".join(\"\"));\n"
  else
    src << @indent << @bufvar << ".join(\"\");\n"
  end
end
add_preamble(src) click to toggle source
# File lib/erubis/engine/ejavascript.rb, line 32
def add_preamble(src)
  src << "#{@indent}var #{@bufvar} = [];"
end
add_stmt(src, code) click to toggle source
# File lib/erubis/engine/ejavascript.rb, line 58
def add_stmt(src, code)
  src << code
end
add_text(src, text) click to toggle source
# File lib/erubis/engine/ejavascript.rb, line 45
def add_text(src, text)
  return if text.empty?
  add_indent(src, @indent)
  src << @bufvar << '.push("'
  s = escape_text(text)
  if s[-1] == \n\
    s[-2, 2] = ''
    src << s << "\");\n"
  else
    src << s << "\");"
  end
end
escape_text(text) click to toggle source
# File lib/erubis/engine/ejavascript.rb, line 36
def escape_text(text)
  @@table_ ||= { "\r"=>"\\r", "\n"=>"\\n\\\n", "\t"=>"\\t", '"'=>'\"', "\\"=>"\\\\" }
  return text.gsub!(/[\r\n\t"\\]/) { |m| @@table_[m] } || text
end
init_generator(properties={}) click to toggle source
# File lib/erubis/engine/ejavascript.rb, line 24
def init_generator(properties={})
  super
  @escapefunc ||= 'escape'
  @indent = properties[:indent] || ''
  @bufvar = properties[:bufvar] || '_buf'
  @docwrite = properties[:docwrite] != false  # '!= false' will be removed in the next release
end

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