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bin/gems/rouge-4.5.1/lib/rouge/formatters/html.rb

@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    # Transforms a token stream into HTML output.
+    class HTML < Formatter
+      TABLE_FOR_ESCAPE_HTML = {
+        '&' => '&amp;',
+        '<' => '&lt;',
+        '>' => '&gt;',
+      }.freeze
+
+      ESCAPE_REGEX = /[&<>]/.freeze
+
+      tag 'html'
+
+      # @yield the html output.
+      def stream(tokens, &b)
+        tokens.each { |tok, val| yield span(tok, val) }
+      end
+
+      def span(tok, val)
+        return val if escape?(tok)
+
+        safe_span(tok, escape_special_html_chars(val))
+      end
+
+      def safe_span(tok, safe_val)
+        if tok == Token::Tokens::Text
+          safe_val
+        else
+          shortname = tok.shortname or raise "unknown token: #{tok.inspect} for #{safe_val.inspect}"
+
+          "<span class=\"#{shortname}\">#{safe_val}</span>"
+        end
+      end
+
+      private
+
+      # A performance-oriented helper method to escape `&`, `<` and `>` for the rendered
+      # HTML from this formatter.
+      #
+      # `String#gsub` will always return a new string instance irrespective of whether
+      # a substitution occurs. This method however invokes `String#gsub` only if
+      # a substitution is imminent.
+      #
+      # Returns either the given `value` argument string as is or a new string with the
+      # special characters replaced with their escaped counterparts.
+      def escape_special_html_chars(value)
+        return value unless value =~ ESCAPE_REGEX
+
+        value.gsub(ESCAPE_REGEX, TABLE_FOR_ESCAPE_HTML)
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/html_inline.rb

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    class HTMLInline < HTML
+      tag 'html_inline'
+
+      def initialize(theme)
+        if theme.is_a?(Class) && theme < Rouge::Theme
+          @theme = theme.new
+        elsif theme.is_a?(Rouge::Theme)
+          @theme = theme
+        elsif theme.is_a?(String)
+          @theme = Rouge::Theme.find(theme).new
+        else
+          raise ArgumentError, "invalid theme: #{theme.inspect}"
+        end
+      end
+
+      def safe_span(tok, safe_val)
+        return safe_val if tok == Token::Tokens::Text
+
+        rules = @theme.style_for(tok).rendered_rules
+
+        "<span style=\"#{rules.to_a.join(';')}\">#{safe_val}</span>"
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/html_legacy.rb

@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+# stdlib
+require 'cgi'
+
+module Rouge
+  module Formatters
+    # Transforms a token stream into HTML output.
+    class HTMLLegacy < Formatter
+      tag 'html_legacy'
+
+      # @option opts [String] :css_class ('highlight')
+      # @option opts [true/false] :line_numbers (false)
+      # @option opts [Rouge::CSSTheme] :inline_theme (nil)
+      # @option opts [true/false] :wrap (true)
+      #
+      # Initialize with options.
+      #
+      # If `:inline_theme` is given, then instead of rendering the
+      # tokens as <span> tags with CSS classes, the styles according to
+      # the given theme will be inlined in "style" attributes.  This is
+      # useful for formats in which stylesheets are not available.
+      #
+      # Content will be wrapped in a tag (`div` if tableized, `pre` if
+      # not) with the given `:css_class` unless `:wrap` is set to `false`.
+      def initialize(opts={})
+        @formatter = opts[:inline_theme] ? HTMLInline.new(opts[:inline_theme])
+                   : HTML.new
+
+
+        @formatter = HTMLTable.new(@formatter, opts) if opts[:line_numbers]
+
+        if opts.fetch(:wrap, true)
+          @formatter = HTMLPygments.new(@formatter, opts.fetch(:css_class, 'codehilite'))
+        end
+      end
+
+      # @yield the html output.
+      def stream(tokens, &b)
+        @formatter.stream(tokens, &b)
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/html_line_highlighter.rb

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    class HTMLLineHighlighter < Formatter
+      tag 'html_line_highlighter'
+
+      def initialize(delegate, opts = {})
+        @delegate = delegate
+        @highlight_line_class = opts.fetch(:highlight_line_class, 'hll')
+        @highlight_lines = opts[:highlight_lines] || []
+      end
+
+      def stream(tokens)
+        token_lines(tokens).with_index(1) do |line_tokens, lineno|
+          line = %(#{@delegate.format(line_tokens)}\n)
+          line = %(<span class="#{@highlight_line_class}">#{line}</span>) if @highlight_lines.include? lineno
+          yield line
+        end
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/html_line_table.rb

@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    class HTMLLineTable < Formatter
+      tag 'html_line_table'
+
+      # @param [Rouge::Formatters::Formatter] formatter An instance of a
+      #   `Rouge::Formatters::HTML` or `Rouge::Formatters::HTMLInline`
+      # @param [Hash] opts options for HTMLLineTable instance.
+      # @option opts [Integer] :start_line line number to start from. Defaults to `1`.
+      # @option opts [String] :table_class Class name for the table.
+      #   Defaults to `"rouge-line-table"`.
+      # @option opts [String] :line_id  a `sprintf` template for generating an `id`
+      #   attribute for each table row corresponding to current line number.
+      #   Defaults to `"line-%i"`.
+      # @option opts [String] :line_class Class name for each table row.
+      #   Defaults to `"lineno"`.
+      # @option opts [String] :gutter_class Class name for rendered line-number cell.
+      #   Defaults to `"rouge-gutter"`.
+      # @option opts [String] :code_class Class name for rendered code cell.
+      #   Defaults to `"rouge-code"`.
+      def initialize(formatter, opts={})
+        @formatter    = formatter
+        @start_line   = opts.fetch :start_line,   1
+        @table_class  = opts.fetch :table_class,  'rouge-line-table'
+        @gutter_class = opts.fetch :gutter_class, 'rouge-gutter'
+        @code_class   = opts.fetch :code_class,   'rouge-code'
+        @line_class   = opts.fetch :line_class,   'lineno'
+        @line_id      = opts.fetch :line_id,      'line-%i'
+      end
+
+      def stream(tokens, &b)
+        buffer = [%(<table class="#@table_class"><tbody>)]
+        token_lines(tokens).with_index(@start_line) do |line_tokens, lineno|
+          buffer << %(<tr id="#{sprintf @line_id, lineno}" class="#@line_class">)
+          buffer << %(<td class="#@gutter_class gl" )
+          buffer << %(style="-moz-user-select: none;-ms-user-select: none;)
+          buffer << %(-webkit-user-select: none;user-select: none;">)
+          buffer << %(<pre>#{lineno}</pre></td>)
+          buffer << %(<td class="#@code_class"><pre>)
+          @formatter.stream(line_tokens) { |formatted| buffer << formatted }
+          buffer << "\n</pre></td></tr>"
+        end
+        buffer << %(</tbody></table>)
+        yield buffer.join
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/html_linewise.rb

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    class HTMLLinewise < Formatter
+      def initialize(formatter, opts={})
+        @formatter = formatter
+        @tag_name = opts.fetch(:tag_name, 'div')
+        @class_format = opts.fetch(:class, 'line-%i')
+      end
+
+      def stream(tokens, &b)
+        token_lines(tokens).with_index(1) do |line_tokens, lineno|
+          yield %(<#{@tag_name} class="#{sprintf @class_format, lineno}">)
+          @formatter.stream(line_tokens) {|formatted| yield formatted }
+          yield %(\n</#{@tag_name}>)
+        end
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/html_pygments.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    class HTMLPygments < Formatter
+      def initialize(inner, css_class='codehilite')
+        @inner = inner
+        @css_class = css_class
+      end
+
+      def stream(tokens, &b)
+        yield %(<div class="highlight"><pre class="#{@css_class}"><code>)
+        @inner.stream(tokens, &b)
+        yield "</code></pre></div>"
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/html_table.rb

@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    class HTMLTable < Formatter
+      tag 'html_table'
+
+      def initialize(inner, opts={})
+        @inner = inner
+        @start_line = opts.fetch(:start_line, 1)
+        @line_format = opts.fetch(:line_format, '%i')
+        @table_class = opts.fetch(:table_class, 'rouge-table')
+        @gutter_class = opts.fetch(:gutter_class, 'rouge-gutter')
+        @code_class = opts.fetch(:code_class, 'rouge-code')
+      end
+
+      def style(scope)
+        yield %(#{scope} .rouge-table { border-spacing: 0 })
+        yield %(#{scope} .rouge-gutter { text-align: right })
+      end
+
+      def stream(tokens, &b)
+        last_val = nil
+        num_lines = tokens.reduce(0) {|count, (_, val)| count + (last_val = val).count(?\n) }
+        formatted = @inner.format(tokens)
+        unless last_val && last_val.end_with?(?\n)
+          num_lines += 1
+          formatted << ?\n
+        end
+
+        # generate a string of newline-separated line numbers for the gutter>
+        formatted_line_numbers = (@start_line..(@start_line + num_lines - 1)).map do |i|
+          sprintf(@line_format, i)
+        end.join(?\n) << ?\n
+
+        buffer = [%(<table class="#@table_class"><tbody><tr>)]
+        # the "gl" class applies the style for Generic.Lineno
+        buffer << %(<td class="#@gutter_class gl">)
+        buffer << %(<pre class="lineno">#{formatted_line_numbers}</pre>)
+        buffer << '</td>'
+        buffer << %(<td class="#@code_class"><pre>)
+        buffer << formatted
+        buffer << '</pre></td>'
+        buffer << '</tr></tbody></table>'
+
+        yield buffer.join
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/null.rb

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    # A formatter which renders nothing.
+    class Null < Formatter
+      tag 'null'
+
+      def initialize(*)
+      end
+
+      def stream(tokens, &b)
+        tokens.each do |tok, val|
+          yield "#{tok.qualname} #{val.inspect}\n"
+        end
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/terminal256.rb

@@ -0,0 +1,198 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    # A formatter for 256-color terminals
+    class Terminal256 < Formatter
+      tag 'terminal256'
+
+      # @private
+      attr_reader :theme
+
+      # @param [Hash,Rouge::Theme] theme
+      #   the theme to render with.
+      def initialize(theme = Themes::ThankfulEyes.new)
+        if theme.is_a?(Rouge::Theme)
+          @theme = theme
+        elsif theme.is_a?(Hash)
+          @theme = theme[:theme] || Themes::ThankfulEyes.new
+        else
+          raise ArgumentError, "invalid theme: #{theme.inspect}"
+        end
+      end
+
+      def stream(tokens, &b)
+        tokens.each do |tok, val|
+          escape_sequence(tok).stream_value(val, &b)
+        end
+      end
+
+      class EscapeSequence
+        attr_reader :style
+        def initialize(style)
+          @style = style
+        end
+
+        def self.xterm_colors
+          @xterm_colors ||= [].tap do |out|
+            # colors 0..15: 16 basic colors
+            out << [0x00, 0x00, 0x00] # 0
+            out << [0xcd, 0x00, 0x00] # 1
+            out << [0x00, 0xcd, 0x00] # 2
+            out << [0xcd, 0xcd, 0x00] # 3
+            out << [0x00, 0x00, 0xee] # 4
+            out << [0xcd, 0x00, 0xcd] # 5
+            out << [0x00, 0xcd, 0xcd] # 6
+            out << [0xe5, 0xe5, 0xe5] # 7
+            out << [0x7f, 0x7f, 0x7f] # 8
+            out << [0xff, 0x00, 0x00] # 9
+            out << [0x00, 0xff, 0x00] # 10
+            out << [0xff, 0xff, 0x00] # 11
+            out << [0x5c, 0x5c, 0xff] # 12
+            out << [0xff, 0x00, 0xff] # 13
+            out << [0x00, 0xff, 0xff] # 14
+            out << [0xff, 0xff, 0xff] # 15
+
+            # colors 16..232: the 6x6x6 color cube
+            valuerange = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]
+
+            217.times do |i|
+              r = valuerange[(i / 36) % 6]
+              g = valuerange[(i / 6) % 6]
+              b = valuerange[i % 6]
+              out << [r, g, b]
+            end
+
+            # colors 233..253: grayscale
+            1.upto 22 do |i|
+              v = 8 + i * 10
+              out << [v, v, v]
+            end
+          end
+        end
+
+        def fg
+          return @fg if instance_variable_defined? :@fg
+          @fg = style.fg && self.class.color_index(style.fg)
+        end
+
+        def bg
+          return @bg if instance_variable_defined? :@bg
+          @bg = style.bg && self.class.color_index(style.bg)
+        end
+
+
+        def stream_value(val, &b)
+          yield style_string
+          yield val.gsub("\e", "\\e")
+                   .gsub("\n", "#{reset_string}\n#{style_string}")
+          yield reset_string
+        end
+
+        def style_string
+          @style_string ||= begin
+            attrs = []
+
+            attrs << ['38', '5', fg.to_s] if fg
+            attrs << ['48', '5', bg.to_s] if bg
+            attrs << '01' if style[:bold]
+            attrs << '04' if style[:italic] # underline, but hey, whatevs
+            escape(attrs)
+          end
+        end
+
+        def reset_string
+          @reset_string ||= begin
+            attrs = []
+            attrs << '39' if fg # fg reset
+            attrs << '49' if bg # bg reset
+            attrs << '00' if style[:bold] || style[:italic]
+
+            escape(attrs)
+          end
+        end
+
+      private
+        def escape(attrs)
+          return '' if attrs.empty?
+          "\e[#{attrs.join(';')}m"
+        end
+
+        def self.color_index(color)
+          @color_index_cache ||= {}
+          @color_index_cache[color] ||= closest_color(*get_rgb(color))
+        end
+
+        def self.get_rgb(color)
+          color = $1 if color =~ /#([0-9a-f]+)/i
+          hexes = case color.size
+          when 3
+            color.chars.map { |c| "#{c}#{c}" }
+          when 6
+            color.scan(/../)
+          else
+            raise "invalid color: #{color}"
+          end
+
+          hexes.map { |h| h.to_i(16) }
+        end
+
+        # max distance between two colors, #000000 to #ffffff
+        MAX_DISTANCE = 257 * 257 * 3
+
+        def self.closest_color(r, g, b)
+          @@colors_cache ||= {}
+          key = (r << 16) + (g << 8) + b
+          @@colors_cache.fetch(key) do
+            distance = MAX_DISTANCE
+
+            match = 0
+
+            xterm_colors.each_with_index do |(cr, cg, cb), i|
+              d = (r - cr)**2 + (g - cg)**2 + (b - cb)**2
+              next if d >= distance
+
+              match = i
+              distance = d
+            end
+
+            match
+          end
+        end
+      end
+
+      class Unescape < EscapeSequence
+        def initialize(*) end
+        def style_string(*) '' end
+        def reset_string(*) '' end
+        def stream_value(val) yield val end
+      end
+
+    # private
+      def escape_sequence(token)
+        return Unescape.new if escape?(token)
+        @escape_sequences ||= {}
+        @escape_sequences[token.qualname] ||=
+          make_escape_sequence(get_style(token))
+      end
+
+      def make_escape_sequence(style)
+        EscapeSequence.new(style)
+      end
+
+      def get_style(token)
+        return text_style if token.ancestors.include? Token::Tokens::Text
+
+        theme.get_own_style(token) || text_style
+      end
+
+      def text_style
+        style = theme.get_style(Token['Text'])
+        # don't highlight text backgrounds
+        style.delete :bg
+        style
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/terminal_truecolor.rb

@@ -0,0 +1,37 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+module Rouge
+  module Formatters
+    class TerminalTruecolor < Terminal256
+      tag 'terminal_truecolor'
+
+      class TruecolorEscapeSequence < Terminal256::EscapeSequence
+        def style_string
+          @style_string ||= begin
+            out = String.new('')
+            out << escape(['48', '2', *get_rgb(style.bg)]) if style.bg
+            out << escape(['38', '2', *get_rgb(style.fg)]) if style.fg
+            out << escape(['1']) if style[:bold] || style[:italic]
+            out
+          end
+        end
+
+        def get_rgb(color)
+          color = $1 if color =~ /#(\h+)/
+
+          case color.size
+          when 3 then color.chars.map { |c| c.to_i(16) * 2 }
+          when 6 then color.scan(/../).map { |cc| cc.to_i(16) }
+          else
+            raise "invalid color: #{color.inspect}"
+          end
+        end
+      end
+
+      # @override
+      def make_escape_sequence(style)
+        TruecolorEscapeSequence.new(style)
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/formatters/tex.rb

@@ -0,0 +1,92 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Formatters
+    class Tex < Formatter
+      tag 'tex'
+
+      # A map of TeX escape characters.
+      # Newlines are handled specially by using #token_lines
+      # spaces are preserved as long as they aren't at the beginning
+      # of a line. see #tag_first for our initial-space strategy
+      ESCAPE = {
+        '&' => '\&',
+        '%' => '\%',
+        '$' => '\$',
+        '#' => '\#',
+        '_' => '\_',
+        '{' => '\{',
+        '}' => '\}',
+        '~' => '{\textasciitilde}',
+        '^' => '{\textasciicircum}',
+        '|' => '{\textbar}',
+        '\\' => '{\textbackslash}',
+        '`' => '{\textasciigrave}',
+        "'" => "'{}",
+        '"' => '"{}',
+        "\t" => '{\tab}',
+      }
+
+      ESCAPE_REGEX = /[#{ESCAPE.keys.map(&Regexp.method(:escape)).join}]/om
+
+      def initialize(opts={})
+        @prefix = opts.fetch(:prefix) { 'RG' }
+      end
+
+      def escape_tex(str)
+        str.gsub(ESCAPE_REGEX, ESCAPE)
+      end
+
+      def stream(tokens, &b)
+        # surround the output with \begin{RG*}...\end{RG*}
+        yield "\\begin{#{@prefix}*}%\n"
+
+        # we strip the newline off the last line to avoid
+        # an extra line being rendered. we do this by yielding
+        # the \newline tag *before* every line group except
+        # the first.
+        first = true
+
+        token_lines tokens do |line|
+          if first
+            first = false
+          else
+            yield "\\newline%\n"
+          end
+
+          render_line(line, &b)
+        end
+
+        yield "%\n\\end{#{@prefix}*}%\n"
+      end
+
+      def render_line(line, &b)
+        line.each do |(tok, val)|
+          hphantom_tag(tok, val, &b)
+        end
+      end
+
+      # Special handling for leading spaces, since they may be gobbled
+      # by a previous command.  We replace all initial spaces with
+      # \hphantom{xxxx}, which renders an empty space equal to the size
+      # of the x's.
+      def hphantom_tag(tok, val)
+        leading = nil
+        val.sub!(/^[ ]+/) { leading = $&.size; '' }
+        yield "\\hphantom{#{'x' * leading}}" if leading
+        yield tag(tok, val) unless val.empty?
+      end
+
+      def tag(tok, val)
+        if escape?(tok)
+          val
+        elsif tok == Token::Tokens::Text
+          escape_tex(val)
+        else
+          "\\#@prefix{#{tok.shortname}}{#{escape_tex(val)}}"
+        end
+      end
+    end
+  end
+end