Add bin and edit workflow

bin/gems/rouge-4.5.1/lib/rouge/lexers/yang.rb

@@ -0,0 +1,147 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Lexers
+    class YANG < RegexLexer
+      title 'YANG'
+      desc "Lexer for the YANG 1.1 modeling language (RFC7950)"
+      tag 'yang'
+      filenames '*.yang'
+      mimetypes 'application/yang'
+
+      id = /[\w-]+(?=[^\w\-\:])\b/
+
+      #Keywords from RFC7950 ; oriented at BNF style
+      def self.top_stmts_keywords
+        @top_stms_keywords ||= Set.new %w(
+          module submodule
+        )
+      end
+
+      def self.module_header_stmts_keywords
+        @module_header_stmts_keywords ||= Set.new %w(
+          belongs-to namespace prefix yang-version
+        )
+      end
+
+      def self.meta_stmts_keywords
+        @meta_stmts_keywords ||= Set.new %w(
+          contact description organization reference revision
+        )
+      end
+
+      def self.linkage_stmts_keywords
+        @linkage_stmts_keywords ||= Set.new %w(
+          import include revision-date
+        )
+      end
+
+      def self.body_stmts_keywords
+        @body_stms_keywords ||= Set.new %w(
+          action argument augment deviation extension feature grouping identity
+          if-feature input notification output rpc typedef
+        )
+      end
+
+      def self.data_def_stmts_keywords
+        @data_def_stms_keywords ||= Set.new %w(
+          anydata anyxml case choice config container deviate leaf leaf-list
+          list must presence refine uses when
+        )
+      end
+
+      def self.type_stmts_keywords
+        @type_stmts_keywords ||= Set.new %w(
+          base bit default enum error-app-tag error-message fraction-digits
+          length max-elements min-elements modifier ordered-by path pattern
+          position range require-instance status type units value yin-element
+        )
+      end
+
+      def self.list_stmts_keywords
+        @list_stmts_keywords ||= Set.new %w(
+          key mandatory unique
+        )
+      end
+
+      #RFC7950 other keywords
+      def self.constants_keywords
+        @constants_keywords ||= Set.new %w(
+          add current delete deprecated false invert-match max min
+          not-supported obsolete replace true unbounded user
+        )
+      end
+
+      #RFC7950 Built-In Types
+      def self.types
+        @types ||= Set.new %w(
+          binary bits boolean decimal64 empty enumeration identityref
+          instance-identifier int16 int32 int64 int8 leafref string uint16
+          uint32 uint64 uint8 union
+        )
+      end
+
+      state :comment do
+        rule %r/[^*\/]/, Comment
+        rule %r/\/\*/, Comment, :comment
+        rule %r/\*\//, Comment, :pop!
+        rule %r/[*\/]/, Comment
+      end
+
+      #Keyword::Reserved
+      #groups Name::Tag, Text::Whitespace
+      state :root do
+        rule %r/\s+/, Text::Whitespace
+        rule %r/[\{\}\;]+/, Punctuation
+        rule %r/(?<![\-\w])(and|or|not|\+|\.)(?![\-\w])/, Operator
+
+        rule %r/"(?:\\"|[^"])*?"/, Str::Double #for double quotes
+        rule %r/'(?:\\'|[^'])*?'/, Str::Single #for single quotes
+
+        rule %r/\/\*/, Comment, :comment
+        rule %r/\/\/.*?$/, Comment
+
+        #match BNF stmt for `node-identifier` with [ prefix ":"]
+        rule %r/(?:^|(?<=[\s{};]))([\w.-]+)(:)([\w.-]+)(?=[\s{};])/ do
+          groups Name::Namespace, Punctuation, Name
+        end
+
+        #match BNF stmt `date-arg-str`
+        rule %r/([0-9]{4}\-[0-9]{2}\-[0-9]{2})(?=[\s\{\}\;])/, Name::Label
+        rule %r/([0-9]+\.[0-9]+)(?=[\s\{\}\;])/, Num::Float
+        rule %r/([0-9]+)(?=[\s\{\}\;])/, Num::Integer
+
+        rule id do |m|
+          name = m[0].downcase
+
+          if self.class.top_stmts_keywords.include? name
+            token Keyword::Declaration
+          elsif self.class.module_header_stmts_keywords.include? name
+            token Keyword::Declaration
+          elsif self.class.meta_stmts_keywords.include? name
+            token Keyword::Declaration
+          elsif self.class.linkage_stmts_keywords.include? name
+            token Keyword::Declaration
+          elsif self.class.body_stmts_keywords.include? name
+            token Keyword::Declaration
+          elsif self.class.data_def_stmts_keywords.include? name
+            token Keyword::Declaration
+          elsif self.class.type_stmts_keywords.include? name
+            token Keyword::Declaration
+          elsif self.class.list_stmts_keywords.include? name
+            token Keyword::Declaration
+          elsif self.class.types.include? name
+            token Keyword::Type
+          elsif self.class.constants_keywords.include? name
+            token Name::Constant
+          else
+            token Name
+          end
+        end
+
+        rule %r/[^;{}\s'"]+/, Name
+      end
+    end
+  end
+end