78 lines
1.5 KiB
Ruby
78 lines
1.5 KiB
Ruby
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# This file contains redefinitions of and wrappers around various text
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# filters so they can be used as Haml filters.
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# :stopdoc:
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require 'erb'
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require 'sass/engine'
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require 'stringio'
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volatile_requires = ['rubygems', 'redcloth', 'bluecloth']
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NOT_LOADED = []
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volatile_requires.each do |file|
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begin
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require file
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rescue LoadError
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NOT_LOADED.push file
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end
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end
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class ERB; alias_method :render, :result; end
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unless NOT_LOADED.include? 'bluecloth'
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class BlueCloth; alias_method :render, :to_html; end
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end
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module Haml
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module Filters
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class Plain
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def initialize(text)
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@text = text
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end
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def render
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@text
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end
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end
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class Ruby
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def initialize(text)
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@text = text
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end
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def render
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old_stdout = $stdout
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$stdout = StringIO.new
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Object.new.instance_eval(@text)
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old_stdout, $stdout = $stdout, old_stdout
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old_stdout.pos = 0
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old_stdout.read
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end
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end
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unless NOT_LOADED.include? 'redcloth'
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class ::RedCloth; alias_method :render, :to_html; end
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# Uses RedCloth to provide only Textile (not Markdown) parsing
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class Textile < RedCloth
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def render
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self.to_html(:textile)
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end
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end
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unless defined?(BlueCloth)
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# Uses RedCloth to provide only Markdown (not Textile) parsing
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class Markdown < RedCloth
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def render
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self.to_html(:markdown)
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end
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end
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else
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Markdown = BlueCloth
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end
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end
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end
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end
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# :startdoc:
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