Class: Flay::Erubi

Inherits:
Erubi::Engine
  • Object
show all
Defined in:
lib/flay_erb.rb

Overview

stolen (and munged) from lib/action_view/template/handlers/erb/erubi.rb this is also in the debride-erb gem, update both!

Constant Summary collapse

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

Instance Method Summary collapse

Constructor Details

#initialize(input, properties = {}) ⇒ Erubi

:nodoc: all



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# File 'lib/flay_erb.rb', line 27

def initialize(input, properties = {})
  @newline_pending = 0

  properties[:postamble]  = "_buf.to_s"
  properties[:bufvar]     = "_buf"
  properties[:freeze_template_literals] = false

  super
end

Instance Method Details

#add_code(code) ⇒ Object 



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# File 'lib/flay_erb.rb', line 70

def add_code(code)
  flush_newline_if_pending(src)
  super
end

#add_expression(indicator, code) ⇒ Object 



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# File 'lib/flay_erb.rb', line 54

def add_expression(indicator, code)
  flush_newline_if_pending(src)

  if (indicator == "==") || @escape
    src << "_buf.safe_expr_append="
  else
    src << "_buf.append="
  end

  if BLOCK_EXPR.match?(code)
    src << " " << code
  else
    src << "(" << code << ");"
  end
end

#add_postamble(_) ⇒ Object 



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# File 'lib/flay_erb.rb', line 75

def add_postamble(_)
  flush_newline_if_pending(src)
  super
end

#add_text(text) ⇒ Object 



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# File 'lib/flay_erb.rb', line 37

def add_text(text)
  return if text.empty?

  if text == "\n"
    @newline_pending += 1
  else
    src << "_buf.safe_append='"
    src << "\n" * @newline_pending if @newline_pending > 0
    src << text.gsub(/['\\]/, '\\\\\&')
    src << "';"

    @newline_pending = 0
  end
end

#flush_newline_if_pending(src) ⇒ Object 



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# File 'lib/flay_erb.rb', line 80

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