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