Mercurial > cgi-bin > hgweb.cgi > PassMan

annotate src/main/kotlin/name/blackcap/passman/Main.kt @ 4:02b101422726

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author David Barts <n5jrn@me.com>
date Sun, 11 Sep 2022 20:44:59 -0700
parents eafa3779aef8
children 698c4a3d758d
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1 package name.blackcap.passman
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2
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3 import java.io.BufferedReader
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4 import java.io.InputStreamReader
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5 import java.util.*
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6 import java.util.stream.Collectors
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7 import kotlin.reflect.jvm.javaMethod
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8 import kotlin.reflect.jvm.kotlinFunction
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9 import kotlin.system.exitProcess
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10
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11 fun main(args: Array<String>) {
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12 if (args.isEmpty()) {
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13 error("expecting subcommand")
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14 exitProcess(2)
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15 }
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16 val subcommand = args[0];
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17 val scArgs = args.sliceArray(1 until args.size)
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18 runSubcommand(subcommand, scArgs)
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19 }
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20
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21 fun runSubcommand(name: String, args: Array<String>): Unit {
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22 val instance = getInstanceForClass(getClassForSubcommand(name))
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23 if (instance == null) {
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24 die("${see(name)} - unknown subcommand", 2)
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25 } else {
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26 instance.run(args)
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27 }
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28 }
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29
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30 fun getClassForSubcommand(name: String): Class<Subcommand>? = try {
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31 val shortName = name.replace('-', '_')
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32 .lowercase()
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33 .replaceFirstChar { it.titlecase(Locale.getDefault()) }
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34 Class.forName("$MAIN_PACKAGE.${shortName}Subcommand") as? Class<Subcommand>
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35 /* val ret = Class.forName("$MAIN_PACKAGE.$shortName")
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36 if (ret.isInstance(Subcommand::class.java)) { ret as Class<Subcommand> } else { null } */
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37 } catch (e: ClassNotFoundException) {
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38 null
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39 }
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40
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41 fun getInstanceForClass(klass: Class<Subcommand>?) = try {
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42 klass?.getDeclaredConstructor()?.newInstance()
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43 } catch (e: ReflectiveOperationException) {
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44 null
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45 }