56 lines
1.3 KiB
Ruby
56 lines
1.3 KiB
Ruby
module ReverseMarkdown
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module Converters
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class CustomText < Base
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def convert(node, _options = {})
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if node.text.strip.empty?
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treat_empty(node)
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else
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treat_text(node)
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end
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end
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private
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def treat_empty(node)
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parent = node.parent.name.to_sym
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if %i[ol ul].include?(parent) # Otherwise the identation is broken
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""
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elsif node.text == " " # Regular whitespace text node
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" "
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else
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""
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end
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end
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def treat_text(node)
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text = node.text
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text = preserve_nbsp(text)
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text = remove_border_newlines(text)
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text = remove_inner_newlines(text)
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text = escape_keychars(text)
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text = preserve_keychars_within_backticks(text)
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text
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end
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def preserve_nbsp(text)
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text.gsub(/\u00A0/, " ")
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end
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def remove_border_newlines(text)
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text.gsub(/\A\n+/, "").gsub(/\n+\z/, "")
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end
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def remove_inner_newlines(text)
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text.tr("\n\t", "")
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end
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def preserve_keychars_within_backticks(text)
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text.gsub(/`.*?`/) do |match|
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match.gsub('\_', "_").gsub('\*', "*")
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end
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end
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end
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register :text, CustomText.new
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end
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end
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