diff options
Diffstat (limited to 'lib/rouge/formatters/html_gitlab.rb')
| -rw-r--r-- | lib/rouge/formatters/html_gitlab.rb | 168 |
1 files changed, 12 insertions, 156 deletions
diff --git a/lib/rouge/formatters/html_gitlab.rb b/lib/rouge/formatters/html_gitlab.rb index 3358ed6773e..f818dc78d34 100644 --- a/lib/rouge/formatters/html_gitlab.rb +++ b/lib/rouge/formatters/html_gitlab.rb @@ -1,171 +1,27 @@ -require 'cgi' - module Rouge module Formatters - class HTMLGitlab < Rouge::Formatter + class HTMLGitlab < Rouge::Formatters::HTML tag 'html_gitlab' # Creates a new <tt>Rouge::Formatter::HTMLGitlab</tt> instance. # - # [+nowrap+] If set to True, don't wrap the output at all, not - # even inside a <tt><pre></tt> tag (default: false). - # [+cssclass+] CSS class for the wrapping <tt><div></tt> tag - # (default: 'highlight'). - # [+linenos+] If set to 'table', output line numbers as a table - # with two cells, one containing the line numbers, - # the other the whole code. This is copy paste friendly, - # but may cause alignment problems with some browsers - # or fonts. If set to 'inline', the line numbers will - # be integrated in the <tt><pre></tt> tag that contains - # the code (default: nil). # [+linenostart+] The line number for the first line (default: 1). - # [+lineanchors+] If set to true the formatter will wrap each output - # line in an anchor tag with a name of L-linenumber. - # This allows easy linking to certain lines - # (default: false). - # [+lineanchorsid+] If lineanchors is true the name of the anchors can - # be changed with lineanchorsid to e.g. foo-linenumber - # (default: 'L'). - # [+anchorlinenos+] If set to true, will wrap line numbers in <tt><a></tt> - # tags. Used in combination with linenos and lineanchors - # (default: false). - # [+inline_theme+] Inline CSS styles for the <pre> tag (default: false). - def initialize( - nowrap: false, - cssclass: 'highlight', - linenos: nil, - linenostart: 1, - lineanchors: false, - lineanchorsid: 'L', - anchorlinenos: false, - inline_theme: nil - ) - @nowrap = nowrap - @cssclass = cssclass - @linenos = linenos + def initialize(linenostart: 1) @linenostart = linenostart - @lineanchors = lineanchors - @lineanchorsid = lineanchorsid - @anchorlinenos = anchorlinenos - @inline_theme = Theme.find(inline_theme).new if inline_theme.is_a?(String) - end - - def render(tokens) - case @linenos - when 'table' - render_tableized(tokens) - when 'inline' - render_untableized(tokens) - else - render_untableized(tokens) - end - end - - alias_method :format, :render - - private - - def render_untableized(tokens) - data = process_tokens(tokens) - - html = '' - html << "<pre class=\"#{@cssclass}\"><code>" unless @nowrap - html << wrap_lines(data[:code]) - html << "</code></pre>\n" unless @nowrap - html + @line_number = linenostart end - def render_tableized(tokens) - data = process_tokens(tokens) - - html = '' - html << "<div class=\"#{@cssclass}\">" unless @nowrap - html << '<table><tbody>' - html << "<td class=\"linenos\"><pre>" - html << wrap_linenos(data[:numbers]) - html << '</pre></td>' - html << "<td class=\"lines\"><pre><code>" - html << wrap_lines(data[:code]) - html << '</code></pre></td>' - html << '</tbody></table>' - html << '</div>' unless @nowrap - html - end - - def process_tokens(tokens) - rendered = [] - current_line = '' - - tokens.each do |tok, val| - # In the case of multi-line values (e.g. comments), we need to apply - # styling to each line since span elements are inline. - val.lines.each do |line| - stripped = line.chomp - current_line << span(tok, stripped) - - if line.end_with?("\n") - rendered << current_line - current_line = '' - end - end - end - - # Add leftover text - rendered << current_line if current_line.present? - - num_lines = rendered.size - numbers = (@linenostart..num_lines + @linenostart - 1).to_a - - { numbers: numbers, code: rendered } - end - - def wrap_linenos(numbers) - if @anchorlinenos - numbers.map! do |number| - "<a href=\"##{@lineanchorsid}#{number}\">#{number}</a>" - end - end - numbers.join("\n") - end - - def wrap_lines(lines) - if @lineanchors - lines = lines.each_with_index.map do |line, index| - number = index + @linenostart - - if @linenos == 'inline' - "<a name=\"L#{number}\"></a>" \ - "<span class=\"linenos\">#{number}</span>" \ - "<span id=\"#{@lineanchorsid}#{number}\" class=\"line\">#{line}" \ - '</span>' - else - "<span id=\"#{@lineanchorsid}#{number}\" class=\"line\">#{line}" \ - '</span>' - end - end - elsif @linenos == 'inline' - lines = lines.each_with_index.map do |line, index| - number = index + @linenostart - "<span class=\"linenos\">#{number}</span>#{line}" - end - end - - lines.join("\n") - end + def stream(tokens, &b) + is_first = true + token_lines(tokens) do |line| + yield "\n" unless is_first + is_first = false - def span(tok, val) - # http://stackoverflow.com/a/1600584/2587286 - val = CGI.escapeHTML(val) + yield %(<span id="LC#{@line_number}" class="line">) + line.each { |token, value| yield span(token, value) } + yield %(</span>) - if tok.shortname.empty? - val - else - if @inline_theme - rules = @inline_theme.style_for(tok).rendered_rules - "<span style=\"#{rules.to_a.join(';')}\"#{val}</span>" - else - "<span class=\"#{tok.shortname}\">#{val}</span>" - end + @line_number += 1 end end end |