Add Package Structure for Better Development Integration

It is possible to generate a local Xcode project for a local
development environment now: `swift package generate-xcodeproj`. The
project won’t be commited and you can debug with custom parameters set
in the scheme’s argument.

It is no longer necessary to compile the tool before usage. It can
be used as a regular script.

Author: rbugajewski

Plist2swift/.gitignore

@@ -0,0 +1,5 @@
+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/

Plist2swift/.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,22 @@
+// swift-tools-version:5.1
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "Plist2swift",
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages which this package depends on.
+        .target(
+            name: "Plist2swift",
+            dependencies: []),
+        .testTarget(
+            name: "Plist2swiftTests",
+            dependencies: ["Plist2swift"]),
+    ]
+)

Plist2swift/Package.swift

@@ -1,3 +1,5 @@
+#!/usr/bin/env xcrun --sdk macosx swift
+
 //
 //  main.swift
 //  plist2swift

Plist2swift/Plist2swift

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+import XCTest
+
+import Plist2swiftTests
+
+var tests = [XCTestCaseEntry]()
+tests += Plist2swiftTests.allTests()
+XCTMain(tests)

Plist2swift/Plist2swift.swift Plist2swift/Sources/Plist2.swiftPlist2swift/Plist2swift.swift renamed to Plist2swift/Sources/Plist2.swift

@@ -0,0 +1,47 @@
+import XCTest
+import class Foundation.Bundle
+
+final class Plist2swiftTests: XCTestCase {
+    func testExample() throws {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct
+        // results.
+
+        // Some of the APIs that we use below are available in macOS 10.13 and above.
+        guard #available(macOS 10.13, *) else {
+            return
+        }
+
+        let fooBinary = productsDirectory.appendingPathComponent("Plist2swift")
+
+        let process = Process()
+        process.executableURL = fooBinary
+
+        let pipe = Pipe()
+        process.standardOutput = pipe
+
+        try process.run()
+        process.waitUntilExit()
+
+        let data = pipe.fileHandleForReading.readDataToEndOfFile()
+        let output = String(data: data, encoding: .utf8)
+
+        XCTAssertEqual(output, "Hello, world!\n")
+    }
+
+    /// Returns path to the built products directory.
+    var productsDirectory: URL {
+      #if os(macOS)
+        for bundle in Bundle.allBundles where bundle.bundlePath.hasSuffix(".xctest") {
+            return bundle.bundleURL.deletingLastPathComponent()
+        }
+        fatalError("couldn't find the products directory")
+      #else
+        return Bundle.main.bundleURL
+      #endif
+    }
+
+    static var allTests = [
+        ("testExample", testExample),
+    ]
+}

Plist2swift/Tests/LinuxMain.swift

@@ -0,0 +1,9 @@
+import XCTest
+
+#if !canImport(ObjectiveC)
+public func allTests() -> [XCTestCaseEntry] {
+    return [
+        testCase(Plist2swiftTests.allTests),
+    ]
+}
+#endif