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

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

Constant Summary collapse

BLOCK_EXPR = 
/\s*((\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.



34
35
36
37
38
39
40
41
 
# File 'actionview/lib/action_view/template/handlers/erb/erubis.rb', line 34

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

#add_expr_escaped(src, code) ⇒ Object 



54
55
56
57
58
59
60
61
 
# File 'actionview/lib/action_view/template/handlers/erb/erubis.rb', line 54

def add_expr_escaped(src, code)
  flush_newline_if_pending(src)
  if BLOCK_EXPR.match?(code)
    src << "@output_buffer.safe_expr_append= " << code
  else
    src << "@output_buffer.safe_expr_append=(" << code << ");"
  end
end

#add_expr_literal(src, code) ⇒ Object 



45
46
47
48
49
50
51
52
 
# File 'actionview/lib/action_view/template/handlers/erb/erubis.rb', line 45

def add_expr_literal(src, code)
  flush_newline_if_pending(src)
  if BLOCK_EXPR.match?(code)
    src << "@output_buffer.append= " << code
  else
    src << "@output_buffer.append=(" << code << ");"
  end
end

#add_postamble(src) ⇒ Object 



68
69
70
71
 
# File 'actionview/lib/action_view/template/handlers/erb/erubis.rb', line 68

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

#add_preamble(src) ⇒ Object

:nodoc: all



12
13
14
15
 
# File 'actionview/lib/action_view/template/handlers/erb/erubis.rb', line 12

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

#add_stmt(src, code) ⇒ Object 



63
64
65
66
 
# File 'actionview/lib/action_view/template/handlers/erb/erubis.rb', line 63

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

#add_text(src, text) ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'actionview/lib/action_view/template/handlers/erb/erubis.rb', line 17

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) ⇒ Object 



73
74
75
76
77
78
 
# File 'actionview/lib/action_view/template/handlers/erb/erubis.rb', line 73

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