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Contents
module Liquid
# Hols variables. Variables are only loaded "just in time"
# they are not evaluated as part of the render stage
class Variable
attr_accessor :filters, :name
def initialize(markup)
@markup = markup
@name = markup.match(/\s*(#{QuotedFragment})/)[1]
if markup.match(/#{FilterSperator}\s*(.*)/)
filters = Regexp.last_match(1).split(/#{FilterSperator}/)
@filters = filters.collect do |f|
filtername = f.match(/\s*(\w+)/)[1]
filterargs = f.scan(/(?:#{FilterArgumentSeparator}|#{ArgumentSeparator})\s*(#{QuotedFragment})/).flatten
[filtername.to_sym, filterargs]
end
else
@filters = []
end
end
def render(context)
output = context[@name]
@filters.inject(output) do |output, filter|
filterargs = filter[1].to_a.collect do |a|
context[a]
end
begin
output = context.invoke(filter[0], output, *filterargs)
rescue FilterNotFound
raise FilterNotFound, "Error - filter '#{filter[0]}' in '#{@markup.strip}' could not be found."
end
end
output
end
end
end
Version data entries
21 entries across 21 versions & 8 rubygems