77 lines
2 KiB
Ruby
77 lines
2 KiB
Ruby
class KnownExceptionsError < StandardError; end
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class ExtensionSkipper
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def initialize(extension)
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@extension = extension
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end
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def skip?(path, line, uri)
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return File.extname(path) == @extension
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end
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end
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class PathSkipper
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def initialize(root_path, relative_path)
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@root_path = root_path
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@absolute_path = File.expand_path(relative_path, @root_path)
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end
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def skip?(path, line, uri)
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return @absolute_path == File.expand_path(path, @root_path)
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end
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end
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class LineSkipper
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def initialize(root_path, relative_path, line_number)
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@inner = PathSkipper.new(root_path, relative_path)
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@line_number = line_number
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end
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def skip?(path, line, uri)
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return @inner.skip?(path, line, uri) && line == @line_number
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end
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end
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class KnownExceptions
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# ------------------------------------------------------------------------------------
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private
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# ------------------------------------------------------------------------------------
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def parse_file(file)
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skippers = []
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File.readlines(file).each do |line|
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# ignore blank lines, and lines starting with '#' or '!'.
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line.strip!
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next if line.length == 0 || line[0..0] == '#' || line[0] == ?!
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if line =~ /^\.[^\/]*$/
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skippers << ExtensionSkipper.new(line)
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elsif line =~ /^(\S+)\s*$/
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skippers << PathSkipper.new(@root_path, $1)
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elsif line =~ /^(\S+)\s*(\d+)\s*$/
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skippers << LineSkipper.new(@root_path, $1, $2.to_i)
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else
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raise "BOGUS line in known_exceptions file: '#{line}'"
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end
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end
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skippers
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end
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# ------------------------------------------------------------------------------------
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public
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# ------------------------------------------------------------------------------------
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def initialize(root_path, file)
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@root_path = File.expand_path(root_path)
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@skippers = parse_file(file)
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end
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def skip?(file, line_number = -1, string = "@!#IMPOSSIBLE#!@")
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@skippers.each() do |skipper|
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if skipper.skip?(file, line_number, string)
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return true
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end
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end
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false
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end
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end
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