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Contents
require 'tilt/template'
require 'erb'
module Tilt
# ERB template implementation. See:
# http://www.ruby-doc.org/stdlib/libdoc/erb/rdoc/classes/ERB.html
class ERBTemplate < Template
@@default_output_variable = '_erbout'
SUPPORTS_KVARGS = ::ERB.instance_method(:initialize).parameters.assoc(:key) rescue false
def self.default_output_variable
@@default_output_variable
end
def self.default_output_variable=(name)
warn "#{self}.default_output_variable= has been replaced with the :outvar-option"
@@default_output_variable = name
end
def prepare
@outvar = options[:outvar] || self.class.default_output_variable
options[:trim] = '<>' if !(options[:trim] == false) && (options[:trim].nil? || options[:trim] == true)
@engine = if SUPPORTS_KVARGS
::ERB.new(data, trim_mode: options[:trim], eoutvar: @outvar)
else
::ERB.new(data, options[:safe], options[:trim], @outvar)
end
end
def precompiled_template(locals)
source = @engine.src
source
end
def precompiled_preamble(locals)
<<-RUBY
begin
__original_outvar = #{@outvar} if defined?(#{@outvar})
#{super}
RUBY
end
def precompiled_postamble(locals)
<<-RUBY
#{super}
ensure
#{@outvar} = __original_outvar
end
RUBY
end
# ERB generates a line to specify the character coding of the generated
# source in 1.9. Account for this in the line offset.
if RUBY_VERSION >= '1.9.0'
def precompiled(locals)
source, offset = super
[source, offset + 1]
end
end
end
end
Version data entries
129 entries across 93 versions & 12 rubygems