Sha256: 48b4c231822195a716127759d676248d417d52a3924e2aaeee0c18eff6169348
Contents?: true
Size: 1.49 KB
Versions: 26
Compression:
Stored size: 1.49 KB
Contents
require 'rdf'
require 'optparse'
module RDF
class CLI
##
# @return [String]
def self.basename() File.basename($0) end
##
# @yield [options]
# @yieldparam [OptionParser]
# @return [OptionParser]
def self.options(&block)
options = OptionParser.new
if block_given?
case block.arity
when 1 then block.call(options)
else options.instance_eval(&block)
end
end
begin
options.parse!
rescue OptionParser::InvalidOption => e
abort e
end
options
end
##
# @param [String] command
# @param [Array<String>] args
# @return [Boolean]
def self.exec_command(command, *args)
if binary = RDF::CLI.find_binary(command)
exec(binary, *args)
else
false
end
end
##
# @param [String] command
# @return [String, nil]
def self.find_binary(command)
binary = File.join(File.dirname(__FILE__), '..', '..', 'bin', 'rdf-' + command)
File.exists?(binary) ? binary : nil
end
##
# @param [Array<String>] files
# @yield [statement]
# @yieldparam [Statement]
# @return [nil]
def self.each_statement(*files, &block)
files.each do |file|
RDF::NTriples::Reader.open(file) do |reader|
reader.each_statement(&block)
end
end
end
##
# @param [String] msg
# @return [void]
def self.abort(msg)
Kernel.abort "#{basename}: #{msg}"
end
end
end
Version data entries
26 entries across 26 versions & 1 rubygems