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module Hbc
class CaskLoader
def self.load_from_file(path)
raise CaskError, "File '#{path}' does not exist" unless path.exist?
raise CaskError, "File '#{path}' is not readable" unless path.readable?
raise CaskError, "File '#{path}' is not a plain file" unless path.file?
token = path.basename(".rb").to_s
content = IO.read(path).force_encoding("UTF-8")
new(token, content, path).load
end
def self.load_from_string(token, content)
new(token, content).load
end
def load
instance_eval(@content, __FILE__, __LINE__)
rescue CaskError, StandardError, ScriptError => e
e.message.concat(" while loading '#{@token}'")
e.message.concat(" from '#{@path}'") unless @path.nil?
raise e, e.message
end
private
def initialize(token, content, path = nil)
@token = token
@content = content
@path = path unless path.nil?
end
def cask(header_token, &block)
@klass = Cask
build_cask(header_token, &block)
end
def test_cask(header_token, &block)
@klass = TestCask
build_cask(header_token, &block)
end
def build_cask(header_token, &block)
raise CaskTokenDoesNotMatchError.new(@token, header_token) unless @token == header_token
if @path.nil?
@klass.new(@token, &block)
else
@klass.new(@token, sourcefile_path: @path, &block)
end
end
end
end
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