Add bin and edit workflow

bin/gems/rouge-4.5.1/lib/rouge/guessers/disambiguation.rb

@@ -0,0 +1,162 @@
+# frozen_string_literal: true
+
+module Rouge
+  module Guessers
+    class Disambiguation < Guesser
+      include Util
+      include Lexers
+
+      def initialize(filename, source)
+        @filename = File.basename(filename)
+        @source = source
+      end
+
+      def filter(lexers)
+        return lexers if lexers.size == 1
+        return lexers if lexers.size == Lexer.all.size
+
+        @analyzer = TextAnalyzer.new(get_source(@source))
+
+        self.class.disambiguators.each do |disambiguator|
+          next unless disambiguator.match?(@filename)
+
+          filtered = disambiguator.decide!(self)
+          return filtered if filtered
+        end
+
+        return lexers
+      end
+
+      def contains?(text)
+        return @analyzer.include?(text)
+      end
+
+      def matches?(re)
+        return !!(@analyzer =~ re)
+      end
+
+      @disambiguators = []
+      def self.disambiguate(*patterns, &decider)
+        @disambiguators << Disambiguator.new(patterns, &decider)
+      end
+
+      def self.disambiguators
+        @disambiguators
+      end
+
+      class Disambiguator
+        include Util
+
+        def initialize(patterns, &decider)
+          @patterns = patterns
+          @decider = decider
+        end
+
+        def decide!(guesser)
+          out = guesser.instance_eval(&@decider)
+          case out
+          when Array then out
+          when nil then nil
+          else [out]
+          end
+        end
+
+        def match?(filename)
+          @patterns.any? { |p| test_glob(p, filename) }
+        end
+      end
+
+      disambiguate '*.cfg' do
+        next CiscoIos if matches?(/\A\s*(version|banner|interface)\b/)
+
+        INI
+      end
+
+      disambiguate '*.pl' do
+        next Perl if contains?('my $')
+        next Prolog if contains?(':-')
+        next Prolog if matches?(/\A\w+(\(\w+\,\s*\w+\))*\./)
+      end
+
+      disambiguate '*.h' do
+        next ObjectiveC if matches?(/@(end|implementation|protocol|property)\b/)
+        next ObjectiveC if contains?('@"')
+        next Cpp if matches?(/^\s*(?:catch|class|constexpr|namespace|private|
+                                   protected|public|template|throw|try|using)\b/x)
+
+        C
+      end
+
+      disambiguate '*.m' do
+        next ObjectiveC if matches?(/@(end|implementation|protocol|property)\b/)
+        next ObjectiveC if contains?('@"')
+
+        next Mathematica if contains?('(*')
+        next Mathematica if contains?(':=')
+
+        next Mason if matches?(/<%(def|method|text|doc|args|flags|attr|init|once|shared|perl|cleanup|filter)([^>]*)(>)/)
+
+        next Matlab if matches?(/^\s*?%/)
+
+        next Mason if matches? %r!(</?%|<&)!
+      end
+
+      disambiguate '*.php' do
+        # PHP always takes precedence over Hack
+        PHP
+      end
+
+      disambiguate '*.hh' do
+        next Cpp if matches?(/^\s*#include/)
+        next Hack if matches?(/^<\?hh/)
+        next Hack if matches?(/(\(|, ?)\$\$/)
+
+        Cpp
+      end
+
+      disambiguate '*.plist' do
+        next XML if matches?(/\A<\?xml\b/)
+
+        Plist
+      end
+
+      disambiguate '*.sc' do
+        next Python if matches?(/^#/)
+        next SuperCollider if matches?(/(?:^~|;$)/)
+
+        next Python
+      end
+
+      disambiguate 'Messages' do
+        next MsgTrans if matches?(/^[^\s:]+:[^\s:]+/)
+
+        next PlainText
+      end
+
+      disambiguate '*.cls' do
+        next TeX if matches?(/\A\s*(?:\\|%)/)
+        next OpenEdge if matches?(/(no\-undo|BLOCK\-LEVEL|ROUTINE\-LEVEL|&ANALYZE\-SUSPEND)/i)
+        next Apex
+      end
+
+      disambiguate '*.pp' do
+        next Puppet if matches?(/(::)?([a-z]\w*::)/)
+        next Pascal if matches?(/^(function|begin|var)\b/)
+        next Pascal if matches?(/\b(end(;|\.))/)
+
+        Puppet
+      end
+
+      disambiguate '*.p' do
+        next Prolog if contains?(':-')
+        next Prolog if matches?(/\A\w+(\(\w+\,\s*\w+\))*\./)
+        next OpenEdge
+      end
+
+      disambiguate '*.st' do
+        next IecST if matches?(/^\s*END_/i)
+        next Smalltalk
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/guessers/filename.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module Rouge
+  module Guessers
+    class Filename < Guesser
+      attr_reader :fname
+      def initialize(filename)
+        @filename = filename
+      end
+
+      # returns a list of lexers that match the given filename with
+      # equal specificity (i.e. number of wildcards in the pattern).
+      # This helps disambiguate between, e.g. the Nginx lexer, which
+      # matches `nginx.conf`, and the Conf lexer, which matches `*.conf`.
+      # In this case, nginx will win because the pattern has no wildcards,
+      # while `*.conf` has one.
+      def filter(lexers)
+        mapping = {}
+        lexers.each do |lexer|
+          mapping[lexer.name] = lexer.filenames || []
+        end
+
+        GlobMapping.new(mapping, @filename).filter(lexers)
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/guessers/glob_mapping.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+module Rouge
+  module Guessers
+    # This class allows for custom behavior
+    # with glob -> lexer name mappings
+    class GlobMapping < Guesser
+      include Util
+
+      def self.by_pairs(mapping, filename)
+        glob_map = {}
+        mapping.each do |(glob, lexer_name)|
+          lexer = Lexer.find(lexer_name)
+
+          # ignore unknown lexers
+          next unless lexer
+
+          glob_map[lexer.name] ||= []
+          glob_map[lexer.name] << glob
+        end
+
+        new(glob_map, filename)
+      end
+
+      attr_reader :glob_map, :filename
+      def initialize(glob_map, filename)
+        @glob_map = glob_map
+        @filename = filename
+      end
+
+      def filter(lexers)
+        basename = File.basename(filename)
+
+        collect_best(lexers) do |lexer|
+          (@glob_map[lexer.name] || []).map do |pattern|
+            if test_glob(pattern, basename)
+              # specificity is better the fewer wildcards there are
+              -pattern.scan(/[*?\[]/).size
+            end
+          end.compact.min
+        end
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/guessers/mimetype.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Rouge
+  module Guessers
+    class Mimetype < Guesser
+      attr_reader :mimetype
+      def initialize(mimetype)
+        @mimetype = mimetype
+      end
+
+      def filter(lexers)
+        lexers.select { |lexer| lexer.mimetypes.include? @mimetype }
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/guessers/modeline.rb

@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module Rouge
+  module Guessers
+    class Modeline < Guesser
+      include Util
+
+      # [jneen] regexen stolen from linguist
+      EMACS_MODELINE = /-\*-\s*(?:(?!mode)[\w-]+\s*:\s*(?:[\w+-]+)\s*;?\s*)*(?:mode\s*:)?\s*([\w+-]+)\s*(?:;\s*(?!mode)[\w-]+\s*:\s*[\w+-]+\s*)*;?\s*-\*-/i
+
+      # First form vim modeline
+      # [text]{white}{vi:|vim:|ex:}[white]{options}
+      # ex: 'vim: syntax=ruby'
+      VIM_MODELINE_1 = /(?:vim|vi|ex):\s*(?:ft|filetype|syntax)=(\w+)\s?/i
+
+      # Second form vim modeline (compatible with some versions of Vi)
+      # [text]{white}{vi:|vim:|Vim:|ex:}[white]se[t] {options}:[text]
+      # ex: 'vim set syntax=ruby:'
+      VIM_MODELINE_2 = /(?:vim|vi|Vim|ex):\s*se(?:t)?.*\s(?:ft|filetype|syntax)=(\w+)\s?.*:/i
+
+      MODELINES = [EMACS_MODELINE, VIM_MODELINE_1, VIM_MODELINE_2]
+
+      def initialize(source, opts={})
+        @source = source
+        @lines = opts[:lines] || 5
+      end
+
+      def filter(lexers)
+        # don't bother reading the stream if we've already decided
+        return lexers if lexers.size == 1
+
+        source_text = get_source(@source)
+
+        lines = source_text.split(/\n/)
+
+        search_space = (lines.first(@lines) + lines.last(@lines)).join("\n")
+
+        matches = MODELINES.map { |re| re.match(search_space) }.compact
+        return lexers unless matches.any?
+
+        match_set = Set.new(matches.map { |m| m[1] })
+        lexers.select { |l| match_set.include?(l.tag) || l.aliases.any? { |a| match_set.include?(a) } }
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/guessers/source.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module Rouge
+  module Guessers
+    class Source < Guesser
+      include Util
+
+      attr_reader :source
+      def initialize(source)
+        @source = source
+      end
+
+      def filter(lexers)
+        # don't bother reading the input if
+        # we've already filtered to 1
+        return lexers if lexers.size == 1
+
+        source_text = get_source(@source)
+
+        Lexer.assert_utf8!(source_text)
+
+        source_text = TextAnalyzer.new(source_text)
+
+        collect_best(lexers) do |lexer|
+          next unless lexer.detectable?
+          lexer.detect?(source_text) ? 1 : nil
+        end
+      end
+    end
+  end
+end

bin/gems/rouge-4.5.1/lib/rouge/guessers/util.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+module Rouge
+  module Guessers
+    module Util
+      module SourceNormalizer
+        UTF8_BOM = "\xEF\xBB\xBF"
+        UTF8_BOM_RE = /\A#{UTF8_BOM}/
+
+        # @param [String,nil] source
+        # @return [String,nil]
+        def self.normalize(source)
+          source.sub(UTF8_BOM_RE, '').gsub(/\r\n/, "\n")
+        end
+      end
+
+      def test_glob(pattern, path)
+        File.fnmatch?(pattern, path, File::FNM_DOTMATCH | File::FNM_CASEFOLD)
+      end
+
+      # @param [String,IO] source
+      # @return [String]
+      def get_source(source)
+        if source.respond_to?(:to_str)
+          SourceNormalizer.normalize(source.to_str)
+        elsif source.respond_to?(:read)
+          SourceNormalizer.normalize(source.read)
+        else
+          raise ArgumentError, "Invalid source: #{source.inspect}"
+        end
+      end
+    end
+  end
+end