Logger: split longer messages into multiple.

1Weather/Common/Logger.swift

@@ -25,9 +25,25 @@ final class Logger {
         self.componentName = componentName
     }
     
+    private let maxCharsPerMessage = 900 // The Apple limit for NSLog is 1024. Leaving some space for timestamp, etc. Not sure if they are a part of 1024, but I think they are. Also, account for our own prefix (roughly)
+    
     func log(level: LogLevel, message: String) {
         #if DEBUG
-        NSLog("\(Logger.prefix) \(componentName) [\(logLevelString(level: level))]: \(message)")
+        let prefix = "\(Logger.prefix) \(componentName) [\(logLevelString(level: level))]"
+        if message.count < maxCharsPerMessage {
+            NSLog("\(prefix): \(message)")
+        }
+        else {
+            var partNumber = 1
+            let totalPartsCount = 1 + message.count / maxCharsPerMessage
+            var remainingMessage = message
+            while !remainingMessage.isEmpty {
+                let messageToPrint = remainingMessage.prefix(maxCharsPerMessage)
+                remainingMessage = String(remainingMessage.suffix(from: messageToPrint.endIndex))
+                NSLog("\(prefix) (part \(partNumber)/\(totalPartsCount)): \(messageToPrint)")
+                partNumber += 1
+            }
+        }
         #endif
     }