Class: ActionView::Template::Handlers::Erubis

Inherits:
Erubis::Eruby
  • Object
show all
Defined in:
lib/action_view/template/handlers/erb.rb

Constant Summary collapse

BLOCK_EXPR =
/\s+(do|\{)(\s*\|[^|]*\|)?\s*\Z/

Instance Method Summary collapse

Instance Method Details

#add_expr(src, code, indicator) ⇒ Object

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


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# File 'lib/action_view/template/handlers/erb.rb', line 30

def add_expr(src, code, indicator)
  case indicator
  when '=='
    add_expr_escaped(src, code)
  else
    super
  end
end

#add_expr_escaped(src, code) ⇒ Object


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# File 'lib/action_view/template/handlers/erb.rb', line 50

def add_expr_escaped(src, code)
  flush_newline_if_pending(src)
  if code =~ BLOCK_EXPR
    src << "@output_buffer.safe_append= " << code
  else
    src << "@output_buffer.safe_append=(" << code << ");"
  end
end

#add_expr_literal(src, code) ⇒ Object


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# File 'lib/action_view/template/handlers/erb.rb', line 41

def add_expr_literal(src, code)
  flush_newline_if_pending(src)
  if code =~ BLOCK_EXPR
    src << '@output_buffer.append= ' << code
  else
    src << '@output_buffer.append=(' << code << ');'
  end
end

#add_postamble(src) ⇒ Object


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# File 'lib/action_view/template/handlers/erb.rb', line 64

def add_postamble(src)
  flush_newline_if_pending(src)
  src << '@output_buffer.to_s'
end

#add_preamble(src) ⇒ Object


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# File 'lib/action_view/template/handlers/erb.rb', line 8

def add_preamble(src)
  @newline_pending = 0
  src << "@output_buffer = output_buffer || ActionView::OutputBuffer.new;"
end

#add_stmt(src, code) ⇒ Object


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# File 'lib/action_view/template/handlers/erb.rb', line 59

def add_stmt(src, code)
  flush_newline_if_pending(src)
  super
end

#add_text(src, text) ⇒ Object


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# File 'lib/action_view/template/handlers/erb.rb', line 13

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 << "';"

    @newline_pending = 0
  end
end

#flush_newline_if_pending(src) ⇒ Object


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# File 'lib/action_view/template/handlers/erb.rb', line 69

def flush_newline_if_pending(src)
  if @newline_pending > 0
    src << "@output_buffer.safe_append='#{"\n" * @newline_pending}';"
    @newline_pending = 0
  end
end