ref: move code around

src/HtmlGenerator.swift

@@ -0,0 +1,73 @@
+import Foundation
+
+struct HtmlGenerator {
+	var data: [String: String] = [:] // used for TAG replacements
+	let meta: MetaInfo
+	
+	init(_ meta: MetaInfo) {
+		self.meta = meta
+		let plistApp = meta.readPlistApp()
+		let plistItunes = meta.readPlistItunes()
+		let plistProvision = meta.readPlistProvision()
+		
+		data["AppInfoTitle"] = stringForFileType(meta)
+		
+		procAppInfo(plistApp)
+		procItunesMeta(plistItunes)
+		procProvision(plistProvision, isOSX: meta.isOSX)
+		
+		// Entitlements
+		procEntitlements(meta, plistApp, plistProvision)
+		procFileInfo(meta.url)
+		procFooterInfo()
+		// App Icon (last, because the image uses a lot of memory)
+		data["AppIcon"] = AppIcon(meta).extractImage(from: plistApp).withRoundCorners().asBase64()
+		// insert CSS styles
+		let cssURL = Bundle.main.url(forResource: "style", withExtension: "css")!
+		data["CSS"] = try! String(contentsOf: cssURL, encoding: .utf8)
+	}
+	
+	mutating func apply(_ values: [String: String]) {
+		data.merge(values) { (_, new) in new }
+	}
+	
+	/// Title of the preview window
+	private func stringForFileType(_ meta: MetaInfo) -> String {
+		switch meta.type {
+		case .IPA:       return "App info"
+		case .Archive:   return "Archive info"
+		case .Extension: return "App extension info"
+		}
+	}
+	
+	/// prepare html, replace values
+	func applyHtmlTemplate() -> String {
+		let templateURL = Bundle.main.url(forResource: "template", withExtension: "html")!
+		let html = try! String(contentsOf: templateURL, encoding: .utf8)
+		
+		// this is less efficient
+		//	for (key, value) in templateValues {
+		//		html = html.replacingOccurrences(of: "__\(key)__", with: value)
+		//	}
+		
+		var rv = ""
+		var prevLoc = html.startIndex
+		let regex = try! NSRegularExpression(pattern: "__[^ _]{1,40}?__")
+		regex.enumerateMatches(in: html, range: NSRange(location: 0, length: html.count), using: { match, flags, stop  in
+			let start = html.index(html.startIndex, offsetBy: match!.range.lowerBound)
+			let key = String(html[html.index(start, offsetBy: 2) ..< html.index(start, offsetBy: match!.range.length - 2)])
+			// append unrelated text up to this key
+			rv.append(contentsOf: html[prevLoc ..< start])
+			prevLoc = html.index(start, offsetBy: match!.range.length)
+			// append key if exists (else remove template-key)
+			if let value = data[key] {
+				rv.append(value)
+			} else {
+				// os_log(.debug, log: log, "unknown template key: %{public}@", key)
+			}
+		})
+		// append remaining text
+		rv.append(contentsOf: html[prevLoc ..< html.endIndex])
+		return rv
+	}
+}