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20 lines
796 B
20 lines
796 B
require 'redcarpet'
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require 'sanitize'
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# Simple converter that is probably better than RedCarpet's built in TOC id
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# generator (which ends up with things like id="toc_1"... terrible).
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class Redcarpet::Render::HTML
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def header(title, level)
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# \p{Common} does not seem to include some of the Japanese alphabets and also includes
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# some undesired characters like colon and parentheses, so we have to write out the
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# necessary Unicode scripts individually.
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clean_title = Sanitize.clean(title)
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.downcase
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.gsub(/\s+/, "-")
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.gsub(/[^A-Za-z0-9\-_.\p{Cyrillic}\p{Hangul}\p{Hiragana}\p{Katakana}\p{Han}]/, "")
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return "<h#{level}><a class=\"anchor\" name=\"#{clean_title}\"></a>#{title} <a class=\"hash-link\" href=\"##{clean_title}\">#</a></h#{level}>"
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end
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end
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