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FileHandlerOutputStream: always check for the file existence #6

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25 changes: 12 additions & 13 deletions Sources/FileLogging/swift_log_file.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -7,25 +7,24 @@ struct FileHandlerOutputStream: TextOutputStream {
case couldNotCreateFile
}

private let fileHandle: FileHandle
private let url: URL
let encoding: String.Encoding

init(localFile url: URL, encoding: String.Encoding = .utf8) throws {
if !FileManager.default.fileExists(atPath: url.path) {
guard FileManager.default.createFile(atPath: url.path, contents: nil, attributes: nil) else {
throw FileHandlerOutputStream.couldNotCreateFile
}
}

let fileHandle = try FileHandle(forWritingTo: url)
fileHandle.seekToEndOfFile()
self.fileHandle = fileHandle

init(localFile url: URL, encoding: String.Encoding = .utf8) {
self.url = url
self.encoding = encoding
}

mutating func write(_ string: String) {
if let data = string.data(using: encoding) {
fileHandle.write(data)
if !FileManager.default.fileExists(atPath: url.path) {
FileManager.default.createFile(atPath: url.path, contents: nil, attributes: nil)
}

if let fileHandle = try? FileHandle(forWritingTo: url) {
fileHandle.seekToEndOfFile()
fileHandle.write(data)
}
}
}
}
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