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# 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
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