87 lines
2.4 KiB
Ruby
87 lines
2.4 KiB
Ruby
$: << File.dirname(__FILE__) + "../../lib"
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require_dependency 'chunks/chunk'
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# The markup engines are Chunks that call the one of RedCloth
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# or RDoc to convert text. This markup occurs when the chunk is required
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# to mask itself.
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module Engines
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class AbstractEngine < Chunk::Abstract
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# Create a new chunk for the whole content and replace it with its mask.
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def self.apply_to(content)
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new_chunk = self.new(content)
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content.replace(new_chunk.mask)
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end
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private
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# Never create engines by constructor - use apply_to instead
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def initialize(content)
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@content = content
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end
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end
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class Textile < AbstractEngine
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require_dependency 'sanitize'
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include Sanitize
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def mask
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require_dependency 'redcloth'
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redcloth = RedCloth.new(@content, [:hard_breaks] + @content.options[:engine_opts])
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redcloth.filter_html = false
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redcloth.no_span_caps = false
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html = redcloth.to_html(:textile)
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sanitize_html(html)
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end
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end
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class Markdown < AbstractEngine
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require_dependency 'sanitize'
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include Sanitize
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def mask
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require_dependency 'maruku'
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require_dependency 'maruku/ext/math'
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html = Maruku.new(@content.delete("\r\x01-\x08\x0B\x0C\x0E-\x1F"), {:math_enabled => false}).to_html
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sanitize_html(html)
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end
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end
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class MarkdownMML < AbstractEngine
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require_dependency 'sanitize'
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include Sanitize
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def mask
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require_dependency 'maruku'
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require_dependency 'maruku/ext/math'
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html = Maruku.new(@content.delete("\r\x01-\x08\x0B\x0C\x0E-\x1F"),
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{:math_enabled => true, :math_numbered => ['\\[','\\begin{equation}']}).to_html
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sanitize_html(html)
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end
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end
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class Mixed < AbstractEngine
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require_dependency 'sanitize'
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include Sanitize
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def mask
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require_dependency 'redcloth'
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redcloth = RedCloth.new(@content, @content.options[:engine_opts])
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redcloth.filter_html = false
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redcloth.no_span_caps = false
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html = redcloth.to_html
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sanitize_html(html)
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end
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end
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class RDoc < AbstractEngine
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require_dependency 'sanitize'
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include Sanitize
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def mask
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require_dependency 'rdocsupport'
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html = RDocSupport::RDocFormatter.new(@content).to_html
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sanitize_html(html)
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end
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end
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MAP = { :textile => Textile, :markdown => Markdown, :markdownMML => MarkdownMML, :mixed => Mixed, :rdoc => RDoc }
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MAP.default = Textile
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end
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