chore: move files around

src/Data - Android/Apk+Manifest.swift

@@ -0,0 +1,123 @@
+import Foundation
+import AndroidXML
+
+extension MetaInfo {
+	/// Read `AndroidManifest.xml` and parse its content
+	func readApk_Manifest() -> Apk_Manifest? {
+		assert(type == .APK)
+		var apk = Apk(self)
+		return Apk_Manifest.from(&apk)
+	}
+}
+
+
+// MARK: - Apk_Manifest
+
+/// Representation of `AndroidManifest.xml`.
+/// See: <https://developer.android.com/guide/topics/manifest/manifest-element>
+struct Apk_Manifest {
+	var packageId: String? = nil
+	var appName: String? = nil
+	var icon: Apk_Icon? = nil
+	/// Computed property
+	var appIconData: Data? = nil
+	var versionName: String? = nil
+	var versionCode: String? = nil
+	var sdkVerMin: Int? = nil
+	var sdkVerTarget: Int? = nil
+	
+	var featuresRequired: [String] = []
+	var featuresOptional: [String] = []
+	var permissions: [String] = []
+	
+	static func from(_ apk: inout Apk) -> Self? {
+		guard let manifest = apk.manifest else {
+			return nil
+		}
+		
+		let storage = ApkXmlManifestParser()
+		if let xml = try? AndroidXML.init(data: manifest) {
+			let parser = xml.parseXml()
+			let ignore = XMLParser()
+			try? parser.iterElements({ startTag, attributes in
+				if ALLOWED_TAGS.contains(startTag) {
+					storage.parser(ignore, didStartElement: startTag, namespaceURI: nil, qualifiedName: nil, attributes: try attributes.asDictStr())
+				}
+			}) { endTag in
+				if ALLOWED_TAGS.contains(endTag) {
+					storage.parser(ignore, didEndElement: endTag, namespaceURI: nil, qualifiedName: nil)
+				}
+			}
+		} else {
+			// fallback to xml-string parser
+			let parser = XMLParser(data: manifest)
+			parser.delegate = storage
+			parser.parse()
+		}
+		
+		var rv = storage.result
+		apk.resolveName(&rv.appName)
+		rv.icon = Apk_Icon(&apk, iconRef: storage.iconRef)
+		return rv
+	}
+}
+
+// keep in sync with `ApkXmlManifestParser` below
+private let ALLOWED_TAGS = [
+	"manifest",
+	"application",
+	"uses-feature",
+	"uses-permission",
+	"uses-permission-sdk-23",
+	"uses-sdk",
+]
+
+/// Wrapper to use same code for binary-xml and string-xml parsing
+private class ApkXmlManifestParser: NSObject, XMLParserDelegate {
+	private var _scope: [String] = []
+	var result = Apk_Manifest()
+	var iconRef: String? = nil
+	
+	func parser(_ parser: XMLParser, didStartElement elementName: String, namespaceURI: String?, qualifiedName qName: String?, attributes attrs: [String : String] = [:]) {
+		// keep in sync with `ALLOWED_TAGS` above
+		switch elementName {
+		case "manifest":
+			if _scope == [] {
+				result.packageId = attrs["package"] // "org.bundle.id"
+				result.versionName = attrs["android:versionName"] // "7.62.3"
+				result.versionCode = attrs["android:versionCode"] // "160700"
+				// attrs["platformBuildVersionCode"] // "35"
+				// attrs["platformBuildVersionName"] // "15"
+			}
+		case "application":
+			if _scope == ["manifest"] {
+				result.appName = attrs["android:label"] // @resource-ref
+				iconRef = attrs["android:icon"] // @resource-ref
+			}
+		case "uses-permission", "uses-permission-sdk-23":
+			// no "permission" because that will produce duplicates with "uses-permission"
+			if _scope == ["manifest"], let name = attrs["android:name"] {
+				result.permissions.append(name)
+			}
+		case "uses-feature":
+			if _scope == ["manifest"], let name = attrs["android:name"] {
+				if attrs["android:required"] == "false" {
+					result.featuresOptional.append(name)
+				} else {
+					result.featuresRequired.append(name)
+				}
+			}
+		case "uses-sdk":
+			if _scope == ["manifest"] {
+				result.sdkVerMin = Int(attrs["android:minSdkVersion"] ?? "1") // "21"
+				result.sdkVerTarget = Int(attrs["android:targetSdkVersion"] ?? "-1") // "35"
+			}
+		default: break // ignore
+		}
+		_scope.append(elementName)
+	}
+	
+	func parser(_ parser: XMLParser, didEndElement elementName: String, namespaceURI: String?, qualifiedName qName: String?) {
+		_scope.removeLast()
+	}
+}