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import Foundation | ||
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protocol AKLoggerProtocol { | ||
func trace<T>(_ message: @autoclosure () -> T, filename: String, line: Int, function: String) | ||
func debug<T>(_ message: @autoclosure () -> T, filename: String, line: Int, function: String) | ||
func info<T>(_ message: @autoclosure () -> T, filename: String, line: Int, function: String) | ||
func notice<T>(_ message: @autoclosure () -> T, filename: String, line: Int, function: String) | ||
func warn<T>(_ message: @autoclosure () -> T, filename: String, line: Int, function: String) | ||
func error<T>(_ message: @autoclosure () -> T, filename: String, line: Int, function: String) | ||
func criti<T>(_ message: @autoclosure () -> T, filename: String, line: Int, function: String) | ||
} | ||
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public struct AKLogger: AKLoggerProtocol { | ||
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internal var logHandler: (String) -> Void = { message in | ||
print(message) | ||
} | ||
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private enum LogLevel: Int { | ||
case trace = 100 | ||
case debug = 200 | ||
case info = 300 | ||
case notice = 400 | ||
case warn = 500 | ||
case error = 600 | ||
case criti = 700 | ||
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func stringValue() -> String { | ||
switch self { | ||
case .trace: return "TRACE" | ||
case .debug: return "DEBUG" | ||
case .info: return "INFO" | ||
case .notice: return "NOTICE" | ||
case .warn: return "WARN" | ||
case .error: return "ERROR" | ||
case .criti: return "CRITI" | ||
} | ||
} | ||
} | ||
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private func log<T>(_ message: @autoclosure () -> T, | ||
level: LogLevel, filename: String, line: Int, function: String) { | ||
let cleanedfile = cleanedFilename(filename) | ||
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let msg = message() | ||
var logMessage = "" | ||
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logMessage = "\(dateFormatter.string(from: Date())) [\(level.stringValue())] \(cleanedfile):\(line) - \(msg)" | ||
logHandler(logMessage) | ||
} | ||
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private let dateFormatter: DateFormatter = { | ||
let formatter = DateFormatter() | ||
formatter.dateFormat = "HH:mm:ss" | ||
return formatter | ||
}() | ||
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private var cleanedFilenamesCache: NSCache<AnyObject, AnyObject> = NSCache() | ||
private func cleanedFilename(_ filename: String) -> String { | ||
if let cleanedfile:String = cleanedFilenamesCache.object(forKey: filename as AnyObject) as? String { | ||
return cleanedfile | ||
} else { | ||
var retval = "" | ||
let items = filename.split{$0 == "/"}.map(String.init) | ||
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if items.count > 0 { | ||
retval = items.last! | ||
} | ||
cleanedFilenamesCache.setObject(retval as AnyObject, forKey: filename as AnyObject) | ||
return retval | ||
} | ||
} | ||
} | ||
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extension AKLogger { | ||
public func trace<T>(_ message: @autoclosure () -> T, | ||
filename: String = #file, line: Int = #line, function: String = #function) { | ||
log(message(), level: .trace, filename: filename, line: line, function: function) | ||
} | ||
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public func debug<T>(_ message: @autoclosure () -> T, | ||
filename: String = #file, line: Int = #line, function: String = #function) { | ||
log(message(), level: .debug, filename: filename, line: line, function: function) | ||
} | ||
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public func info<T>(_ message: @autoclosure () -> T, | ||
filename: String = #file, line: Int = #line, function: String = #function) { | ||
log(message(), level: .info, filename: filename, line: line, function: function) | ||
} | ||
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public func notice<T>(_ message: @autoclosure () -> T, | ||
filename: String = #file, line: Int = #line, function: String = #function) { | ||
log(message(), level: .notice, filename: filename, line: line, function: function) | ||
} | ||
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public func warn<T>(_ message: @autoclosure () -> T, | ||
filename: String = #file, line: Int = #line, function: String = #function) { | ||
log(message(), level: .warn, filename: filename, line: line, function: function) | ||
} | ||
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public func error<T>(_ message: @autoclosure () -> T, | ||
filename: String = #file, line: Int = #line, function: String = #function) { | ||
log(message(), level: .error, filename: filename, line: line, function: function) | ||
} | ||
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public func criti<T>(_ message: @autoclosure () -> T, | ||
filename: String = #file, line: Int = #line, function: String = #function) { | ||
log(message(), level: .criti, filename: filename, line: line, function: function) | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
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import XCTest | ||
@testable import AKLogger | ||
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final class AKLoggerTests: XCTestCase { | ||
func testLogOutput() { | ||
var loggedMessages: [String] = [] | ||
var logger = AKLogger() | ||
logger.logHandler = { message in | ||
loggedMessages.append(message) | ||
} | ||
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logger.trace("traceメッセージ") | ||
XCTAssertTrue(loggedMessages[0].contains("traceメッセージ")) | ||
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logger.debug("debugメッセージ") | ||
XCTAssertTrue(loggedMessages[1].contains("debugメッセージ")) | ||
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logger.info("infoメッセージ") | ||
XCTAssertTrue(loggedMessages[2].contains("infoメッセージ")) | ||
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logger.notice("noticeメッセージ") | ||
XCTAssertTrue(loggedMessages[3].contains("noticeメッセージ")) | ||
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logger.warn("warnメッセージ") | ||
XCTAssertTrue(loggedMessages[4].contains("warnメッセージ")) | ||
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logger.error("errorメッセージ") | ||
XCTAssertTrue(loggedMessages[5].contains("errorメッセージ")) | ||
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logger.criti("critiメッセージ") | ||
XCTAssertTrue(loggedMessages[6].contains("critiメッセージ")) | ||
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print(loggedMessages) | ||
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} | ||
} |