Return the contents of the doctype tag if present, nil otherwise.
# File lib/rouge/text_analyzer.rb, line 22 def doctype return @doctype if instance_variable_defined? :@doctype self =~ %r(\A\s* (?:<\?.*?\?>\s*)? # possible <?xml...?> tag <!DOCTYPE\s+(.+?)> )m @doctype = $1 end
Check if the doctype matches a given regexp or string
# File lib/rouge/text_analyzer.rb, line 33 def doctype?(type=//) type === doctype end
Return true if the result of lexing with the given lexer contains no error tokens.
# File lib/rouge/text_analyzer.rb, line 39 def lexes_cleanly?(lexer) lexer.lex(self) do |(tok, _)| return false if tok.name == 'Error' end true end
Find a shebang. Returns nil if no shebang is present.
# File lib/rouge/text_analyzer.rb, line 5 def shebang return @shebang if instance_variable_defined? :@shebang self =~ /\A\s*#!(.*)$/ @shebang = $1 end
Check if the given shebang is present.
This normalizes things so that `text.shebang?('bash')` will detect `#!/bash`, '#!/bin/bash', '#!/usr/bin/env bash', and '#!/bin/bash -x'
# File lib/rouge/text_analyzer.rb, line 16 def shebang?(match) match = /\b#{match}(\s|$)/ match === shebang end