74 lines
2.0 KiB
Ruby
74 lines
2.0 KiB
Ruby
require "rubygems"
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module Hbc
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module Source
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class PathBase
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# derived classes must define method self.me?
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def self.path_for_query(query)
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query_string = query.to_s
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Pathname.new(query_string.end_with?(".rb") ? query_string : query_string + ".rb")
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end
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attr_reader :path
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def initialize(path)
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@path = Pathname(path).expand_path
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end
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def load
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raise CaskError, "File '#{path}' does not exist" unless path.exist?
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raise CaskError, "File '#{path}' is not readable" unless path.readable?
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raise CaskError, "File '#{path}' is not a plain file" unless path.file?
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load_cask
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end
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def to_s
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# stringify to fully-resolved location
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path.to_s
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end
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private
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def load_cask
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instance_eval(cask_contents, __FILE__, __LINE__)
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rescue CaskError, StandardError, ScriptError => e
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# bug: e.message.concat doesn't work with CaskError exceptions
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raise e, e.message.concat(" while loading '#{path}'")
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end
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def cask_contents
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File.open(path, "rb") do |handle|
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contents = handle.read
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if defined?(Encoding)
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contents.force_encoding("UTF-8")
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else
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contents
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end
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end
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end
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def cask(header_token, &block)
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build_cask(Cask, header_token, &block)
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end
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def test_cask(header_token, &block)
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build_cask(TestCask, header_token, &block)
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end
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def build_cask(cask_class, header_token, &block)
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if header_token.is_a?(Hash)
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# Cask file is using old `cask :v1 => 'token'` syntax
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header_token = header_token.values.first
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end
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raise CaskTokenDoesNotMatchError.new(cask_token, header_token) unless cask_token == header_token
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cask_class.new(cask_token, sourcefile_path: path, &block)
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end
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def cask_token
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path.basename.to_s.sub(%r{\.rb}, "")
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end
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end
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end
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end
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