org.chelona.GetCmdLineArgs.scala Maven / Gradle / Ivy

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/*
* Copyright (C) 2014, 2015, 2016 Juergen Pfundt
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.chelona

import java.io.File

import scopt._

object GetCmdLineArgs {

  case class Config(
    validate: Boolean   = false,
    file:     Seq[File] = Seq(),
    verbose:  Boolean   = false,
    uid:      Boolean   = false,
    base:     String    = "http://chelona.org",
    fmt:      String    = "n3",
    version:  Boolean   = false,
    trace:    Boolean   = false
  )

  val argsParser = new OptionParser[Config]("Cheló̱na") {
    head("cheló̱na", "version 1.0")
    help("help") text "prints this usage text"
    opt[Unit]('v', "verbose").action { (_, c) ⇒ c.copy(verbose = true) } text "give some additional information"
    opt[Unit]("version").action { (_, c) ⇒ c.copy(version = true) } text "Cheló̱na version information"
    opt[Unit]("validate").action { (_, c) ⇒ c.copy(validate = true) } text "validate input file"
    opt[Unit]('t', "trace").action { (_, c) ⇒ c.copy(trace = true) } text "display error trace"
    opt[Unit]('u', "uid").action { (_, c) ⇒ c.copy(uid = true) } text "use UID for blank nodes"
    opt[String]('b', "base").optional() action { (x, c) ⇒ c.copy(base = x) } text "base URI"
    opt[String]('f', "fmt").valueName("n3,json-ld").action((x, c) ⇒ c.copy(fmt = x.toLowerCase())).validate(f ⇒ if (f.equals("n3") || f.equals("json-ld")) success else failure(s"format $f not supported")) text "output format"
    arg[File]("").minOccurs(1) maxOccurs (1) valueName ("") action { (x, c) ⇒ c.copy(file = c.file :+ x) } text "input ttl-file"
  }
}