60 lines
1.8 KiB
Ruby
60 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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module Rouge
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module Formatters
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class HTMLGitlab < Rouge::Formatters::HTML
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tag 'html_gitlab'
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# Creates a new <tt>Rouge::Formatter::HTMLGitlab</tt> instance.
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#
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# [+tag+] The tag (language) of the lexer used to generate the formatted tokens
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# [+line_number+] The line number used to populate line IDs
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def initialize(options = {})
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@tag = options[:tag]
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@line_number = options[:line_number] || 1
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@ellipsis_indexes = options[:ellipsis_indexes] || []
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@ellipsis_svg = options[:ellipsis_svg]
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end
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def stream(tokens)
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is_first = true
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token_lines(tokens) do |line|
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yield "\n" unless is_first
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is_first = false
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yield %(<span id="LC#{@line_number}" class="line" lang="#{@tag}">)
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line.each do |token, value|
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value = value.chomp! || value
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value = replace_space_characters(value)
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yield highlight_unicode_control_characters(span(token, value))
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end
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yield ellipsis if @ellipsis_indexes.include?(@line_number - 1) && @ellipsis_svg.present?
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yield %(</span>)
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@line_number += 1
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end
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end
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private
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def ellipsis
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%(<span class="gl-px-2 gl-rounded-base gl-mx-2 gl-bg-gray-100 gl-cursor-help has-tooltip" title="Content has been trimmed">#{@ellipsis_svg}</span>)
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end
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def replace_space_characters(text)
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text.gsub(Gitlab::Unicode::SPACE_REGEXP, ' ')
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end
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def highlight_unicode_control_characters(text)
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text.gsub(Gitlab::Unicode::BIDI_REGEXP) do |char|
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%(<span class="unicode-bidi has-tooltip" data-toggle="tooltip" title="#{Gitlab::Unicode.bidi_warning}">#{char}</span>)
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end
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end
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end
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end
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end
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