/* ###
 * IP: Public Domain
 */
/****************************************************************************
 * nativePlatforms.gradle
 *
 * This script defines the various platforms that Ghidra supports being built
 * on.  Utility methods are provided for determining the current platform, as
 * well as querying and extracting information about the platform, such as
 * operating system and architecture.
 ****************************************************************************/

/****************************************************************************
 * Create a list containing all the platforms we support for building native
 * artifacts.  Each platform has the following fields:
 *   name: Ghidra's naming convention for the platform.  This is used in the 
           native build tasks, and is the name of the os/ subdirectories.
 *   os:   Gradle's NativePlatform operatingSystem property naming convention.
 *   arch: Gradle's NativePlatform architecture property naming convention.
 ****************************************************************************/
project.ext.PLATFORMS = [
	[name: "win_x86_32", os: "windows", arch: "x86"],
	[name: "win_x86_64", os: "windows", arch: "x86_64"],
	[name: "linux_x86_64", os: "linux", arch: "x86_64"],
	[name: "linux_arm_64", os: "linux", arch: "arm64"],
	[name: "mac_x86_64", os: "osx", arch: "x86_64"],
	[name: "mac_arm_64", os: "osx", arch: "arm64"],
	[name: "freebsd_x86_64", os: "freebsd", arch: "x86_64"],
	[name: "freebsd_arm_64", os: "freebsd", arch: "arm64"]
]

/*********************************************************************************
 * Returns the local platform name.
 *********************************************************************************/
import org.gradle.nativeplatform.platform.internal.DefaultNativePlatform
ext.currentPlatformName = findProperty("currentPlatformName")
ext.getCurrentPlatformName = {

	if (currentPlatformName) {
		return currentPlatformName
	} 

	def osGradle = DefaultNativePlatform.currentOperatingSystem.getName()
	def osJvm = System.getProperty("os.name");
	def os = osJvm
	switch (osJvm) {
		case ~/Windows.*/:
			os = "win"
			break
		case ~/Linux.*/:
			os = "linux"
			break
		case ~/Mac OS X.*/:
			os = "mac"
			break
		case ~/FreeBSD.*/:
			os = "freebsd"
			break
		default:
			throw new GradleException("Unrecognized platform operating system: $os")
	}

	def archGradle = DefaultNativePlatform.currentArchitecture.getName()
	def archJvm = System.getProperty("os.arch");
	def arch = archJvm
	switch (arch) {
		case "x86":
		case "i386":
			arch = "x86_32"
			break
		case "x86_64":
		case "amd64":
			arch = "x86_64"
			break
		case "aarch64":
		case "arm64":
			arch = "arm_64"
			break
		default:
			throw new GradleException("Unrecognized platform architecture: $arch" )
	}

	currentPlatformName = "${os}_${arch}".toString() // convert GStringImpl to String so .equals() works as expected

	println "OS: " + osJvm + (osJvm != osGradle ? " (gradle: " + osGradle + ")" : "")
	println "Arch: " + archJvm + (archJvm != archGradle ? " (gradle: " + archGradle + ")" : "")
	println "Using platform: " + currentPlatformName

	return currentPlatformName
}


/*********************************************************************************
 * Returns true if the given platform is linux.
 *********************************************************************************/
ext.isLinux = { platform_name ->
	return platform_name.startsWith("linux")
}
/*********************************************************************************
 * Returns true if the current platform is linux.
 *********************************************************************************/
ext.isCurrentLinux = {
	return isLinux(getCurrentPlatformName())
}

/*********************************************************************************
 * Returns true if the given platform is macOS.
 *********************************************************************************/
ext.isMac = { platform_name ->
	return platform_name.startsWith("mac")
}

/*********************************************************************************
 * Returns true if the current platform is macOS.
 *********************************************************************************/
ext.isCurrentMac = {
	return isMac(getCurrentPlatformName())
}

/*********************************************************************************
 * Returns true if the given platform is FreeBSD.
 *********************************************************************************/
ext.isFreeBSD = { platform_name ->
	return platform_name.startsWith("freebsd")
}

/*********************************************************************************
 * Returns true if the current platform is FreeBSD.
 *********************************************************************************/
ext.isCurrentFreeBSD = {
	return isFreeBSD(getCurrentPlatformName())
}

/*********************************************************************************
 * Returns true if the given platform is Windows.
 *********************************************************************************/
ext.isWindows = { platform_name ->
	return platform_name.startsWith("win")
}

/*********************************************************************************
 * Returns true if the current platform is Windows.
 *********************************************************************************/
ext.isCurrentWindows = {
	return isWindows(getCurrentPlatformName())
}

/*********************************************************************************
 * Returns true if the given platform is x86.
 *********************************************************************************/
ext.isX86_64 = { platform_name ->
	return platform_name.contains("x86")
}
/*********************************************************************************
 * Returns true if the current platform is x86.
 *********************************************************************************/
ext.isCurrentX86_64 = {
	return isX86_64(getCurrentPlatformName())
}

/*********************************************************************************
 * Returns true if the given platform is ARM.
 *********************************************************************************/
ext.isArm_64 = { platform_name ->
	return platform_name.contains("arm")
}
/*********************************************************************************
 * Returns true if the current platform is ARM.
 *********************************************************************************/
ext.isCurrentArm_64 = {
	return isArm_64(getCurrentPlatformName())
}

/****************************************************************************
 * Establish Visual Studio configuration environment for Windows native builds
 * NOTE: vsconfig.gradle path is relative to each GPL project module
 ****************************************************************************/
apply from: buildscript.sourceFile.getParent() + "/vsconfig.gradle"