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#!/usr/bin/ruby
# Example of use of the Korundum soprano bindings, trying to mimic sopranocmd.
# Translated from Python to Ruby by Richard Dale
# Copyright (c) 2009 Olivier Berger + Institut Tlcom, released under
# the BSD license.
# Copyright (c) 2009 Richard Dale
require 'Qt4'
require 'soprano'
require 'getoptlong'
opts = GetoptLong.new(
[ "--help", "-H", GetoptLong::REQUIRED_ARGUMENT ],
[ "--backend", "-b", GetoptLong::REQUIRED_ARGUMENT ],
[ "--dir", "-d", GetoptLong::REQUIRED_ARGUMENT ],
[ "--port", "-p", GetoptLong::REQUIRED_ARGUMENT ],
[ "--host", "-h", GetoptLong::REQUIRED_ARGUMENT ],
[ "--username", "-U", GetoptLong::REQUIRED_ARGUMENT ],
[ "--password", "-P", GetoptLong::REQUIRED_ARGUMENT ],
[ "--settings", "-S", GetoptLong::REQUIRED_ARGUMENT ],
[ "--serialization", "-s", GetoptLong::REQUIRED_ARGUMENT ]
)
backendOpt = dirOpt = portOpt = hostOpt = usernameOpt = passwordOpt = settingsOpt = serializationOpt = nil
opts.each do |opt, arg|
case opt
when '--help'
when '--backend'
backendOpt = arg
when '--dir'
directoryOpt = arg
when '--port'
portOpt = arg.to_i
when '--host'
hostOpt = arg
when '--username'
usernameOpt = arg
when '--password'
passwordOpt = arg
when '--settings'
settingsOpt = arg
when '--serialization'
serializationOpt = arg
end
end
command = ARGV[0]
if !['query', 'list'].include? command
$stderr.puts "Error: unknown command #{command}"
exit 1
end
if command == 'query'
query = ARGV[1]
end
backend = Soprano.discoverBackendByName(backendOpt)
settings = []
settings << Soprano::BackendSetting.new(Soprano::BackendOptionHost, hostOpt)
settings << Soprano::BackendSetting.new(Soprano::BackendOptionPort, portOpt)
settings << Soprano::BackendSetting.new(Soprano::BackendOptionUsername, usernameOpt)
settings << Soprano::BackendSetting.new(Soprano::BackendOptionPassword, passwordOpt)
model = backend.createModel(settings)
if command == 'query'
result = model.executeQuery(query, Soprano::Query::QueryLanguageSparql)
result.each do |binding_set|
binding_set.bindingNames.each do |name|
puts "#{binding_set.value(name).inspect}"
end
end
elsif command == 'list'
statements = model.listStatements
statements.each do |statement|
puts "#{statement.subject.toN3} - #{statement.predicate.toN3} - #{statement.object.toN3}"
end
end
# kate: space-indent on; indent-width 2; replace-tabs on; mixed-indent off;
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