jvmMain.com.bkahlert.kommons.JvmPlatform.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of kommons-core-jvm Show documentation

Kommons Core is a Kotlin Multiplatform Library that offers shared features for all Kommons modules.

There is a newer version: 2.8.0

package com.bkahlert.kommons

import com.bkahlert.kommons.AnsiSupport.ANSI24
import com.bkahlert.kommons.AnsiSupport.ANSI4
import com.bkahlert.kommons.AnsiSupport.ANSI8
import java.io.File
import java.util.Locale

/** Platforms a program can run on. */
public actual enum class Platform {

    /** Browser platform */
    Browser,

    /** NodeJS platform */
    NodeJS,

    /** Java virtual machine */
    JVM,

    /** Native platform */
    Native,
    ;

    public actual companion object {
        /** The platform this program runs on. */
        public actual val Current: Platform = JVM
    }

    /** Supported level for [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code). */
    public actual val ansiSupport: AnsiSupport by lazy {
        val termProgram = System.getenv("TERM_PROGRAM")?.lowercase(Locale.getDefault())
        val term = System.getenv("TERM")?.lowercase(Locale.getDefault())
        @Suppress("SpellCheckingInspection")
        when {
            Program.isIntelliJ -> ANSI24
            termProgram == "vscode" -> ANSI8
            System.getenv("COLORTERM")?.lowercase(Locale.getDefault()) in listOf("24bit", "truecolor") -> ANSI24
            System.console() == null -> AnsiSupport.NONE
            termProgram == "hyper" -> ANSI24 // stackoverflow.com/q/7052683
            termProgram == "apple_terminal" -> ANSI8
            termProgram == "iterm.app" -> System.getenv("TERM_PROGRAM_VERSION")?.toIntOrNull()?.takeIf { it > 3 }?.let { ANSI24 } ?: ANSI8
            term?.let { it.endsWith("-256color") || it.endsWith("-256") } == true -> ANSI8
            term == "cygwin" -> ANSI24.takeIf { System.getProperty("os.name")?.startsWith("Windows") == true } ?: ANSI8
            term in listOf("xterm", "vt100", "screen", "ansi") -> ANSI4
            term == "dumb" -> AnsiSupport.NONE
            else -> AnsiSupport.NONE
        }
    }

    /** The separator used to separate path segments. */
    public actual val fileSeparator: String = File.separator
}