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cleanup

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This commit is contained in:
Jacob Powers 2025-07-22 03:23:43 +00:00
parent 1e95694c7b
commit ee43a3f4dc
5 changed files with 213 additions and 274 deletions
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63
Meshtastic/Extensions/Data+Gzip.swift
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@ -1,63 +0,0 @@
import Foundation
import Compression
extension Data {
/// Decompresses raw deflate data
func zlibDecompressed() throws -> Data {
guard self.count > 0 else { return Data() }
// Try Foundation's zlib first
do {
let decompressedData = try (self as NSData).decompressed(using: .zlib) as Data
print("Data+Zlib: Successfully decompressed with Foundation \(count) bytes to \(decompressedData.count) bytes")
return decompressedData
} catch {
print("Data+Zlib: Foundation decompression failed: \(error), trying raw deflate...")
}
// Fallback to Compression framework with raw deflate
let bufferSize = count * 10
let destination = UnsafeMutablePointer<UInt8>.allocate(capacity: bufferSize)
defer { destination.deallocate() }
return try self.withUnsafeBytes { bytes in
let source = bytes.bindMemory(to: UInt8.self)
let result = compression_decode_buffer(
destination, bufferSize,
source.baseAddress!, count,
nil, COMPRESSION_ZLIB
)
guard result > 0 else {
print("Data+Zlib: Raw deflate decompression also failed, result size: \(result)")
throw ZlibError.decompression
}
print("Data+Zlib: Successfully decompressed with raw deflate \(count) bytes to \(result) bytes")
return Data(bytes: destination, count: result)
}
}
}
enum ZlibError: Error {
case decompression
var localizedDescription: String {
switch self {
case .decompression:
return "Failed to decompress data"
}
}
}
enum GzipError: Error {
case decompression
var localizedDescription: String {
switch self {
case .decompression:
return "Failed to decompress gzip data"
}
}
}