Sha256: d5ed2128c2d0cc96e8b0420e6b30933bf9b609a5c21664846896b7223e430929
Contents?: true
Size: 1.94 KB
Versions: 16
Compression:
Stored size: 1.94 KB
Contents
module Padrino
module Rendering
##
# SafeBufferEnhancer is an Erubis Enhancer that compiles templates that
# are fit for using ActiveSupport::SafeBuffer as a Buffer.
#
# @api private
module SafeBufferEnhancer
def add_expr_literal(src, code)
src << " #{@bufvar}.concat((" << code << ').to_s);'
end
def add_stmt(src, code)
code = code.sub('end', 'nil;end') if code =~ /\A\s*end\s*\Z/
src << code
src << ';' unless code[-1] == ?\n
end
def add_expr_escaped(src, code)
src << " #{@bufvar}.safe_concat " << code << ';'
end
def add_text(src, text)
src << " #{@bufvar}.safe_concat '" << escape_text(text) << "';" unless text.empty?
end
end
##
# SafeBufferTemplate is the Eruby engine, augmented with SafeBufferEnhancer.
#
# @api private
class SafeEruby < ::Erubis::Eruby
include SafeBufferEnhancer
end
##
# Modded ErubisTemplate that doesn't insist in an String as output
# buffer.
#
# @api private
class ErubisTemplate < Tilt::ErubisTemplate
def render(*args)
app = args.first
app_class = app.class
@is_padrino_app = (defined?(Padrino::Application) && app.kind_of?(Padrino::Application)) ||
(app_class.respond_to?(:erb) && app_class.erb[:engine_class] == Padrino::Rendering::SafeEruby)
super
end
##
# In preamble we need a flag `__in_erb_template` and SafeBuffer for padrino apps.
#
def precompiled_preamble(locals)
original = super
return original unless @is_padrino_app
"__in_erb_template = true\n" << original.rpartition("\n").first << "#{@outvar} = _buf = ActiveSupport::SafeBuffer.new\n"
end
end
end
end
Tilt.prefer(Padrino::Rendering::ErubisTemplate, :erb)
Padrino::Rendering.engine_configurations[:erb] = {
:engine_class => Padrino::Rendering::SafeEruby,
}
Version data entries
16 entries across 16 versions & 2 rubygems