class CodeRay::Encoders::HTML2
Public Class Methods
create_anchor(options)
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# File lib/milkode/cdweb/lib/coderay_html2.rb, line 163 def self.create_anchor(options) anchor_prefix = options[:line_number_anchors] anchor_prefix = 'line' if anchor_prefix == true anchor_prefix = anchor_prefix.to_s[/\w+/] if anchor_prefix if anchor_prefix anchor_url = options[:line_number_anchor_url] || "" proc do |line| line = line.to_s anchor = anchor_prefix + line "<a href=\"#{anchor_url}##{anchor}\" name=\"#{anchor}\">#{line}</a>" end elsif options[:onclick_copy_line_number] prefix = options[:onclick_copy_prefix] || "" proc do |line| "<a href=\"#lineno-modal\" data-toggle=\"modal\" onclick=\"lineno_setup('#{prefix}', '#{line.to_s}');\" title=\"Display line number\">#{line.to_s}</a>" # "<a onclick=\"lineno_setup('#{prefix}', '#{line.to_s}');\" title=\"Display line number\">#{line.to_s}</a>" end else proc { |line| line.to_s } # :to_s.to_proc in Ruby 1.8.7+ end end
number!(output, mode = :table, options = {})
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- ref
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CodeRay::Encoders::Numberling#number! (coderay-1.0.5/lib/coderay/encoders/numbering.rb:8)
# File lib/milkode/cdweb/lib/coderay_html2.rb, line 73 def self.number! output, mode = :table, options = {} return self unless mode options = DEFAULT_OPTIONS.merge options start = options[:line_number_start] unless start.is_a? Integer raise ArgumentError, "Invalid value %p for :line_number_start; Integer expected." % start end anchoring = create_anchor(options) bold_every = options[:bold_every] highlight_lines = options[:highlight_lines] bolding = if bold_every == false && highlight_lines == nil anchoring elsif highlight_lines.is_a? Enumerable highlight_lines = highlight_lines.to_set proc do |line| if highlight_lines.include? line "<strong class=\"highlighted\">#{anchoring[line]}</strong>" # highlighted line numbers in bold else anchoring[line] end end elsif bold_every.is_a? Integer raise ArgumentError, ":bolding can't be 0." if bold_every == 0 proc do |line| if line % bold_every == 0 "<strong>#{anchoring[line]}</strong>" # every bold_every-th number in bold else anchoring[line] end end else raise ArgumentError, 'Invalid value %p for :bolding; false or Integer expected.' % bold_every end line_count = output.count("\n") position_of_last_newline = output.rindex(RUBY_VERSION >= '1.9' ? /\n/ : ?\n) if position_of_last_newline after_last_newline = output[position_of_last_newline + 1 .. -1] ends_with_newline = after_last_newline[/\A(?:<\/span>)*\z/] line_count += 1 if not ends_with_newline end case mode when :inline max_width = (start + line_count).to_s.size line_number = start nesting = [] output.gsub!(/^.*$\n?/) do |line| line.chomp! open = nesting.join line.scan(%r!<(/)?span[^>]*>?!) do |close,| if close nesting.pop else nesting << $& end end close = '</span>' * nesting.size line_number_text = bolding.call line_number indent = ' ' * (max_width - line_number.to_s.size) # TODO: Optimize (10^x) line_number += 1 "<span class=\"line-numbers\">#{indent}#{line_number_text}</span>#{open}#{line}#{close}\n" end when :table line_numbers = (start ... start + line_count).map(&bolding).join("\n") line_numbers << "\n" line_numbers_table_template = Output::TABLE.apply('LINE_NUMBERS', line_numbers) output.gsub!(/<\/div>\n/, '</div>') output.wrap_in! line_numbers_table_template output.wrapped_in = :div when :list raise NotImplementedError, 'The :list option is no longer available. Use :table.' else raise ArgumentError, 'Unknown value %p for mode: expected one of %p' % [mode, [:table, :inline]] end output end
Public Instance Methods
finish(options)
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- ref
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CodeRay::Encoders::HTML#finish (coderay-1.0.5/lib/coderay/encoders/html.rb:219)
# File lib/milkode/cdweb/lib/coderay_html2.rb, line 22 def finish options @out = ornament_line_attr(options) unless @opened.empty? warn '%d tokens still open: %p' % [@opened.size, @opened] if $CODERAY_DEBUG @out << '</span>' while @opened.pop @last_opened = nil end @out.extend Output @out.css = @css if options[:line_numbers] # Numbering.number! @out, options[:line_numbers], options HTML2::number! @out, options[:line_numbers], options end @out.wrap! options[:wrap] @out.apply_title! options[:title] if defined?(@real_out) && @real_out @real_out << @out @out = @real_out end @out end
line_attr(line, no, options)
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# File lib/milkode/cdweb/lib/coderay_html2.rb, line 58 def line_attr(line, no, options) # p options is_highlight = true if options[:highlight_lines].include?(no) r = [] r << "id=\"n#{no}\"" r << "class=\"highlight-line\"" if is_highlight attr = r.join(" ") line = Milkode::Util.highlight_keywords(line, options[:keywords], 'highlight-filename') if is_highlight "<span #{attr}>#{line}</span>" end
ornament_line_attr(options)
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# File lib/milkode/cdweb/lib/coderay_html2.rb, line 48 def ornament_line_attr(options) line_number = options[:line_number_start] lines = @out.split("\n") lines.map{|l| line_number += 1 line_attr(l, line_number - 1, options) }.join("\n") + "\n" end
text_token(text, kind)
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Calls superclass method
# File lib/milkode/cdweb/lib/coderay_html2.rb, line 16 def text_token text, kind # p "#{kind}: #{text}" super end