84 lines
2.1 KiB
Ruby
84 lines
2.1 KiB
Ruby
# -*- coding: utf-8 -*- #
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# frozen_string_literal: true
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# Based on/regexes mostly from Brandon Bennett's pygments-routerlexers:
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# https://github.com/nemith/pygments-routerlexers
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module Rouge
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module Lexers
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class CiscoIos < RegexLexer
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title 'Cisco IOS'
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desc 'Cisco IOS configuration lexer'
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tag 'cisco_ios'
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filenames '*.cfg'
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mimetypes 'text/x-cisco-conf'
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state :root do
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rule %r/^!.*/, Comment::Single
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rule %r/^(version\s+)(.*)$/ do
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groups Keyword, Num::Float
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end
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rule %r/(desc*r*i*p*t*i*o*n*)(.*?)$/ do
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groups Keyword, Comment::Single
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end
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rule %r/^(inte*r*f*a*c*e*|controller|router \S+|voice translation-\S+|voice-port|line)(.*)$/ do
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groups Keyword::Type, Name::Function
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end
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rule %r/(password|secret)(\s+[57]\s+)(\S+)/ do
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groups Keyword, Num, String::Double
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end
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rule %r/(permit|deny)/, Operator::Word
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rule %r/^(banner\s+)(motd\s+|login\s+)([#$%])/ do
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groups Keyword, Name::Function, Str::Delimiter
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push :cisco_ios_text
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end
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rule %r/^(dial-peer\s+\S+\s+)(\S+)(.*?)$/ do
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groups Keyword, Name::Attribute, Keyword
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end
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rule %r/^(vlan\s+)(\d+)$/ do
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groups Keyword, Name::Attribute
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end
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# IPv4 Address/Prefix
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rule %r/(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})(\/\d{1,2})?/, Num
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# NSAP
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rule %r/49\.\d{4}\.\d{4}\.\d{4}\.\d{4}\.\d{2}/, Num
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# MAC Address
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rule %r/[a-f0-9]{4}\.[a-f0-9]{4}\.[a-f0-9]{4}/, Num::Hex
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rule %r/^(\s*no\s+)(\S+)/ do
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groups Keyword::Constant, Keyword
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end
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rule %r/^[^\n\r]\s*\S+/, Keyword
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# Obfuscated Passwords
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rule %r/\*+/, Name::Entity
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rule %r/(?<= )\d+(?= )/, Num
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# Newline catcher, avoid errors on empty lines
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rule %r/\n+/m, Text
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# This one goes last, a text catch-all
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rule %r/./, Text
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end
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state :cisco_ios_text do
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rule %r/[^#$%]/, Text
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rule %r/[#$%]/, Str::Delimiter, :pop!
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end
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end
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end
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end
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