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Versions: 15
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Contents
require "cgi"
require "objspace" rescue nil
module BetterErrors
class ValueLargerThanConfiguredMaximum < StandardError; end
class InspectableValue
def initialize(value)
@original_value = value
end
def to_html
raise ValueLargerThanConfiguredMaximum unless value_small_enough_to_inspect?
value_as_html
end
private
attr_reader :original_value
def value_as_html
@value_as_html ||= CGI.escapeHTML(value)
end
def value
@value ||= begin
if original_value.respond_to? :inspect
original_value.inspect
else
original_value
end
end
end
def value_small_enough_to_inspect?
return true if BetterErrors.maximum_variable_inspect_size.nil?
if defined?(ObjectSpace) && defined?(ObjectSpace.memsize_of) && ObjectSpace.memsize_of(value)
ObjectSpace.memsize_of(value) <= BetterErrors.maximum_variable_inspect_size
else
value_as_html.length <= BetterErrors.maximum_variable_inspect_size
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems