/*

 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/**

 * This file contains utility functions used by other tests.

 * @subtest

 */

var Files = Java.type('java.nio.file.Files'),

    Paths = Java.type('java.nio.file.Paths'),

    System = Java.type('java.lang.System')

var File = java.io.File

var windows = System.getProperty("os.name").startsWith("Windows")

var winCyg = false

var outPath = {

    windows:0, //C:\dir

    mixed:1    //C:/dir

}

if (windows) {

    //Is there any better way to diffrentiate between cygwin/command prompt on windows

    var term = System.getenv("TERM")

    winCyg = term ? true:false

}

/**

 * Returns which command is selected from PATH

 * @param cmd name of the command searched from PATH

 */

function which(cmd) {

    var path = System.getenv("PATH")

    var st = new java.util.StringTokenizer(path, File.pathSeparator)

    while (st.hasMoreTokens()) {

        var file = new File(st.nextToken(), cmd)

        if (file.exists()) {

            return (file.getAbsolutePath())

        }

    }

}

/**

 * Removes a given file

 * @param pathname name of the file

 */

function rm(pathname) {

    var Path = Paths.get(pathname)

    if (!Files.deleteIfExists(Path))

        print("File \"${pathname}\" doesn't exist")

}

/**

 * Unix cygpath implementation

 * Supports only two outputs,windows(C:\dir\) and mixed(C:/dir/)

 */

function cygpath(path,mode) {

    var newpath = path

    if(path.startsWith("/cygdrive/")){

        var str = path.substring(10)

        var index = str.indexOf('/',0)

        var drv = str.substring(0,index)

        var rstr = drv.toUpperCase() + ":"

        newpath = str.replaceFirst(drv,rstr)

    }

    if (mode == outPath.windows)

        return Paths.get(newpath).toString()

    else {

        newpath = newpath.replaceAll('\\\\','/')

        return newpath

    }                   

}

/**

 * convert given path based on underlying shell programme runs on

 */

function toShellPath(path) {

    if (windows) {

        if (winCyg) {

            return cygpath(path,outPath.mixed)

        }else {

         var path = cygpath(path,outPath.windows)

         //convert '\' ->'\\',cmd shell expects this.

         return path.replaceAll('\\\\','\\\\\\\\')

       }

    }else {

        return path

    }

}