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42 lines
1.3 KiB
Ruby
42 lines
1.3 KiB
Ruby
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module RenderingHelper
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AUTO_LINK_MESSAGE_RE = %r{message://<[^>]+>} unless const_defined?(:AUTO_LINK_MESSAGE_RE)
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# Converts message:// links to href. This URL scheme is used on Mac OS X
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# to link to a mail message in Mail.app.
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def auto_link_message(text)
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text.gsub(AUTO_LINK_MESSAGE_RE) do
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href = $&
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left = $`
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right = $'
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# detect already linked URLs and URLs in the middle of a tag
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if left =~ /<[^>]+$/ && right =~ /^[^>]*>/
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# do not change string; URL is alreay linked
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href
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else
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content_tag(:a, h(href), :href => h(href))
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end
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end
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end
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def render_text(text)
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rendered = auto_link_message(text)
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rendered = textile(rendered)
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rendered = auto_link(rendered, link: :urls, html: {target: '_blank'})
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relaxed_config = Sanitize::Config::RELAXED
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config = relaxed_config
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# add onenote and message protocols, allow a target
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a_href_config = relaxed_config[:protocols]['a']['href'] + %w(onenote message)
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a_attributes = relaxed_config[:attributes]['a'] + ['target']
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config = Sanitize::Config.merge(config, protocols: {'a' => {'href' => a_href_config}}, :attributes => {'a' => a_attributes})
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rendered = Sanitize.fragment(rendered, config)
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return rendered.html_safe
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end
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def textile(text)
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RedCloth.new(text).to_html
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end
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end
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