class Synvert::Core::Engine::Erubis

borrowed from rails

Constants

BLOCK_EXPR

Public Instance Methods

add_expr(src, code, indicator) click to toggle source

Erubis toggles <%= and <%== behavior when escaping is enabled. We override to always treat <%== as escaped.

Calls superclass method
# File lib/synvert/core/engine/erb.rb, line 89
def add_expr(src, code, indicator)
  case indicator
  when '=='
    add_expr_escaped(src, code)
  else
    super
  end
end
add_expr_escaped(src, code) click to toggle source
# File lib/synvert/core/engine/erb.rb, line 109
def add_expr_escaped(src, code)
  flush_newline_if_pending(src)
  if BLOCK_EXPR.match?(code)
    src << '@output_buffer.safe_append= ' << code << ERUBY_EXPR_SPLITTER
  else
    src << '@output_buffer.safe_append=(' << code << ');' << ERUBY_EXPR_SPLITTER
  end
end
add_expr_literal(src, code) click to toggle source
# File lib/synvert/core/engine/erb.rb, line 100
def add_expr_literal(src, code)
  flush_newline_if_pending(src)
  if BLOCK_EXPR.match?(code)
    src << '@output_buffer.append= ' << code << ERUBY_EXPR_SPLITTER
  else
    src << '@output_buffer.append=(' << code << ');' << ERUBY_EXPR_SPLITTER
  end
end
add_postamble(src) click to toggle source
# File lib/synvert/core/engine/erb.rb, line 136
def add_postamble(src)
  flush_newline_if_pending(src)
  src << '@output_buffer.to_s'
end
add_preamble(src) click to toggle source
# File lib/synvert/core/engine/erb.rb, line 67
def add_preamble(src)
  @newline_pending = 0
  src << '@output_buffer = output_buffer || ActionView::OutputBuffer.new;'
end
add_stmt(src, code) click to toggle source
Calls superclass method
# File lib/synvert/core/engine/erb.rb, line 118
def add_stmt(src, code)
  flush_newline_if_pending(src)
  if code != "\n" && code != ''
    index =
      case code
      when /\A(\s*)\r?\n/
        Regexp.last_match(1).length
      when /\A(\s+)/
        Regexp.last_match(1).end_with?(' ') ? Regexp.last_match(1).length - 1 : Regexp.last_match(1).length
      else
        0
      end
    code.insert(index, ERUBY_STMT_SPLITTER)
    code.insert(-1, ERUBY_STMT_SPLITTER[0...-1])
  end
  super
end
add_text(src, text) click to toggle source
# File lib/synvert/core/engine/erb.rb, line 72
def add_text(src, text)
  return if text.empty?

  if text == "\n"
    @newline_pending += 1
  else
    src << "@output_buffer.safe_append='"
    src << "\n" * @newline_pending if @newline_pending > 0
    src << escape_text(text)
    src << "'.freeze;"

    @newline_pending = 0
  end
end
flush_newline_if_pending(src) click to toggle source
# File lib/synvert/core/engine/erb.rb, line 141
def flush_newline_if_pending(src)
  if @newline_pending > 0
    src << "@output_buffer.safe_append='#{"\n" * @newline_pending}'.freeze;"
    @newline_pending = 0
  end
end