mirror of
https://github.com/aljazceru/react-native-pubky.git
synced 2025-12-17 22:54:29 +01:00
fix: fix name conflict
Resolves name conflicts with other native modules. Bump version to 0.1.1.
This commit is contained in:
473
ios/pubkymobile.swift
Normal file
473
ios/pubkymobile.swift
Normal file
@@ -0,0 +1,473 @@
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// This file was autogenerated by some hot garbage in the `uniffi` crate.
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// Trust me, you don't want to mess with it!
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import Foundation
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// Depending on the consumer's build setup, the low-level FFI code
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// might be in a separate module, or it might be compiled inline into
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// this module. This is a bit of light hackery to work with both.
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#if canImport(pubkymobileFFI)
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import pubkymobileFFI
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#endif
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fileprivate extension RustBuffer {
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// Allocate a new buffer, copying the contents of a `UInt8` array.
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init(bytes: [UInt8]) {
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let rbuf = bytes.withUnsafeBufferPointer { ptr in
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RustBuffer.from(ptr)
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}
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self.init(capacity: rbuf.capacity, len: rbuf.len, data: rbuf.data)
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}
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static func from(_ ptr: UnsafeBufferPointer<UInt8>) -> RustBuffer {
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try! rustCall { ffi_pubkymobile_rustbuffer_from_bytes(ForeignBytes(bufferPointer: ptr), $0) }
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}
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// Frees the buffer in place.
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// The buffer must not be used after this is called.
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func deallocate() {
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try! rustCall { ffi_pubkymobile_rustbuffer_free(self, $0) }
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}
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}
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fileprivate extension ForeignBytes {
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init(bufferPointer: UnsafeBufferPointer<UInt8>) {
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self.init(len: Int32(bufferPointer.count), data: bufferPointer.baseAddress)
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}
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}
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// For every type used in the interface, we provide helper methods for conveniently
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// lifting and lowering that type from C-compatible data, and for reading and writing
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// values of that type in a buffer.
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// Helper classes/extensions that don't change.
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// Someday, this will be in a library of its own.
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fileprivate extension Data {
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init(rustBuffer: RustBuffer) {
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// TODO: This copies the buffer. Can we read directly from a
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// Rust buffer?
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self.init(bytes: rustBuffer.data!, count: Int(rustBuffer.len))
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}
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}
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// Define reader functionality. Normally this would be defined in a class or
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// struct, but we use standalone functions instead in order to make external
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// types work.
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//
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// With external types, one swift source file needs to be able to call the read
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// method on another source file's FfiConverter, but then what visibility
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// should Reader have?
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// - If Reader is fileprivate, then this means the read() must also
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// be fileprivate, which doesn't work with external types.
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// - If Reader is internal/public, we'll get compile errors since both source
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// files will try define the same type.
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//
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// Instead, the read() method and these helper functions input a tuple of data
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fileprivate func createReader(data: Data) -> (data: Data, offset: Data.Index) {
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(data: data, offset: 0)
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}
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// Reads an integer at the current offset, in big-endian order, and advances
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// the offset on success. Throws if reading the integer would move the
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// offset past the end of the buffer.
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fileprivate func readInt<T: FixedWidthInteger>(_ reader: inout (data: Data, offset: Data.Index)) throws -> T {
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let range = reader.offset..<reader.offset + MemoryLayout<T>.size
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guard reader.data.count >= range.upperBound else {
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throw UniffiInternalError.bufferOverflow
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}
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if T.self == UInt8.self {
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let value = reader.data[reader.offset]
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reader.offset += 1
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return value as! T
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}
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var value: T = 0
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let _ = withUnsafeMutableBytes(of: &value, { reader.data.copyBytes(to: $0, from: range)})
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reader.offset = range.upperBound
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return value.bigEndian
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}
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// Reads an arbitrary number of bytes, to be used to read
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// raw bytes, this is useful when lifting strings
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fileprivate func readBytes(_ reader: inout (data: Data, offset: Data.Index), count: Int) throws -> Array<UInt8> {
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let range = reader.offset..<(reader.offset+count)
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guard reader.data.count >= range.upperBound else {
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throw UniffiInternalError.bufferOverflow
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}
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var value = [UInt8](repeating: 0, count: count)
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value.withUnsafeMutableBufferPointer({ buffer in
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reader.data.copyBytes(to: buffer, from: range)
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})
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reader.offset = range.upperBound
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return value
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}
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// Reads a float at the current offset.
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fileprivate func readFloat(_ reader: inout (data: Data, offset: Data.Index)) throws -> Float {
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return Float(bitPattern: try readInt(&reader))
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}
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// Reads a float at the current offset.
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fileprivate func readDouble(_ reader: inout (data: Data, offset: Data.Index)) throws -> Double {
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return Double(bitPattern: try readInt(&reader))
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}
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// Indicates if the offset has reached the end of the buffer.
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fileprivate func hasRemaining(_ reader: (data: Data, offset: Data.Index)) -> Bool {
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return reader.offset < reader.data.count
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}
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// Define writer functionality. Normally this would be defined in a class or
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// struct, but we use standalone functions instead in order to make external
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// types work. See the above discussion on Readers for details.
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fileprivate func createWriter() -> [UInt8] {
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return []
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}
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fileprivate func writeBytes<S>(_ writer: inout [UInt8], _ byteArr: S) where S: Sequence, S.Element == UInt8 {
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writer.append(contentsOf: byteArr)
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}
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// Writes an integer in big-endian order.
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//
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// Warning: make sure what you are trying to write
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// is in the correct type!
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fileprivate func writeInt<T: FixedWidthInteger>(_ writer: inout [UInt8], _ value: T) {
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var value = value.bigEndian
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withUnsafeBytes(of: &value) { writer.append(contentsOf: $0) }
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}
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fileprivate func writeFloat(_ writer: inout [UInt8], _ value: Float) {
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writeInt(&writer, value.bitPattern)
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}
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fileprivate func writeDouble(_ writer: inout [UInt8], _ value: Double) {
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writeInt(&writer, value.bitPattern)
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}
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// Protocol for types that transfer other types across the FFI. This is
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// analogous go the Rust trait of the same name.
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fileprivate protocol FfiConverter {
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associatedtype FfiType
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associatedtype SwiftType
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static func lift(_ value: FfiType) throws -> SwiftType
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static func lower(_ value: SwiftType) -> FfiType
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static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> SwiftType
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static func write(_ value: SwiftType, into buf: inout [UInt8])
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}
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// Types conforming to `Primitive` pass themselves directly over the FFI.
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fileprivate protocol FfiConverterPrimitive: FfiConverter where FfiType == SwiftType { }
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extension FfiConverterPrimitive {
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public static func lift(_ value: FfiType) throws -> SwiftType {
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return value
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}
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public static func lower(_ value: SwiftType) -> FfiType {
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return value
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}
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}
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// Types conforming to `FfiConverterRustBuffer` lift and lower into a `RustBuffer`.
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// Used for complex types where it's hard to write a custom lift/lower.
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fileprivate protocol FfiConverterRustBuffer: FfiConverter where FfiType == RustBuffer {}
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extension FfiConverterRustBuffer {
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public static func lift(_ buf: RustBuffer) throws -> SwiftType {
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var reader = createReader(data: Data(rustBuffer: buf))
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let value = try read(from: &reader)
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if hasRemaining(reader) {
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throw UniffiInternalError.incompleteData
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}
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buf.deallocate()
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return value
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}
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public static func lower(_ value: SwiftType) -> RustBuffer {
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var writer = createWriter()
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write(value, into: &writer)
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return RustBuffer(bytes: writer)
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}
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}
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// An error type for FFI errors. These errors occur at the UniFFI level, not
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// the library level.
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fileprivate enum UniffiInternalError: LocalizedError {
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case bufferOverflow
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case incompleteData
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case unexpectedOptionalTag
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case unexpectedEnumCase
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case unexpectedNullPointer
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case unexpectedRustCallStatusCode
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case unexpectedRustCallError
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case unexpectedStaleHandle
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case rustPanic(_ message: String)
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public var errorDescription: String? {
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switch self {
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case .bufferOverflow: return "Reading the requested value would read past the end of the buffer"
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case .incompleteData: return "The buffer still has data after lifting its containing value"
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case .unexpectedOptionalTag: return "Unexpected optional tag; should be 0 or 1"
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case .unexpectedEnumCase: return "Raw enum value doesn't match any cases"
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case .unexpectedNullPointer: return "Raw pointer value was null"
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case .unexpectedRustCallStatusCode: return "Unexpected RustCallStatus code"
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case .unexpectedRustCallError: return "CALL_ERROR but no errorClass specified"
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case .unexpectedStaleHandle: return "The object in the handle map has been dropped already"
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case let .rustPanic(message): return message
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}
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}
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}
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fileprivate let CALL_SUCCESS: Int8 = 0
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fileprivate let CALL_ERROR: Int8 = 1
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fileprivate let CALL_PANIC: Int8 = 2
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fileprivate let CALL_CANCELLED: Int8 = 3
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fileprivate extension RustCallStatus {
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init() {
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self.init(
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code: CALL_SUCCESS,
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errorBuf: RustBuffer.init(
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capacity: 0,
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len: 0,
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data: nil
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)
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)
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}
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}
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private func rustCall<T>(_ callback: (UnsafeMutablePointer<RustCallStatus>) -> T) throws -> T {
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try makeRustCall(callback, errorHandler: nil)
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}
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private func rustCallWithError<T>(
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_ errorHandler: @escaping (RustBuffer) throws -> Error,
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_ callback: (UnsafeMutablePointer<RustCallStatus>) -> T) throws -> T {
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try makeRustCall(callback, errorHandler: errorHandler)
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}
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private func makeRustCall<T>(
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_ callback: (UnsafeMutablePointer<RustCallStatus>) -> T,
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errorHandler: ((RustBuffer) throws -> Error)?
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) throws -> T {
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uniffiEnsureInitialized()
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var callStatus = RustCallStatus.init()
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let returnedVal = callback(&callStatus)
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try uniffiCheckCallStatus(callStatus: callStatus, errorHandler: errorHandler)
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return returnedVal
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}
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private func uniffiCheckCallStatus(
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callStatus: RustCallStatus,
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errorHandler: ((RustBuffer) throws -> Error)?
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) throws {
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switch callStatus.code {
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case CALL_SUCCESS:
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return
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case CALL_ERROR:
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if let errorHandler = errorHandler {
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throw try errorHandler(callStatus.errorBuf)
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} else {
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callStatus.errorBuf.deallocate()
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throw UniffiInternalError.unexpectedRustCallError
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}
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case CALL_PANIC:
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// When the rust code sees a panic, it tries to construct a RustBuffer
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// with the message. But if that code panics, then it just sends back
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// an empty buffer.
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if callStatus.errorBuf.len > 0 {
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throw UniffiInternalError.rustPanic(try FfiConverterString.lift(callStatus.errorBuf))
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} else {
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callStatus.errorBuf.deallocate()
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throw UniffiInternalError.rustPanic("Rust panic")
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}
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case CALL_CANCELLED:
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throw CancellationError()
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default:
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throw UniffiInternalError.unexpectedRustCallStatusCode
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}
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}
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// Public interface members begin here.
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fileprivate struct FfiConverterString: FfiConverter {
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typealias SwiftType = String
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typealias FfiType = RustBuffer
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public static func lift(_ value: RustBuffer) throws -> String {
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defer {
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value.deallocate()
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}
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if value.data == nil {
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return String()
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}
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let bytes = UnsafeBufferPointer<UInt8>(start: value.data!, count: Int(value.len))
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return String(bytes: bytes, encoding: String.Encoding.utf8)!
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}
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public static func lower(_ value: String) -> RustBuffer {
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return value.utf8CString.withUnsafeBufferPointer { ptr in
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// The swift string gives us int8_t, we want uint8_t.
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ptr.withMemoryRebound(to: UInt8.self) { ptr in
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// The swift string gives us a trailing null byte, we don't want it.
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let buf = UnsafeBufferPointer(rebasing: ptr.prefix(upTo: ptr.count - 1))
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return RustBuffer.from(buf)
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}
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}
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}
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public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> String {
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let len: Int32 = try readInt(&buf)
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return String(bytes: try readBytes(&buf, count: Int(len)), encoding: String.Encoding.utf8)!
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}
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public static func write(_ value: String, into buf: inout [UInt8]) {
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let len = Int32(value.utf8.count)
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writeInt(&buf, len)
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writeBytes(&buf, value.utf8)
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}
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}
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fileprivate struct FfiConverterSequenceString: FfiConverterRustBuffer {
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typealias SwiftType = [String]
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public static func write(_ value: [String], into buf: inout [UInt8]) {
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let len = Int32(value.count)
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writeInt(&buf, len)
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for item in value {
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FfiConverterString.write(item, into: &buf)
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}
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}
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public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> [String] {
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let len: Int32 = try readInt(&buf)
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var seq = [String]()
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seq.reserveCapacity(Int(len))
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for _ in 0 ..< len {
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seq.append(try FfiConverterString.read(from: &buf))
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}
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return seq
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}
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}
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private let UNIFFI_RUST_FUTURE_POLL_READY: Int8 = 0
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private let UNIFFI_RUST_FUTURE_POLL_MAYBE_READY: Int8 = 1
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fileprivate func uniffiRustCallAsync<F, T>(
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rustFutureFunc: () -> UnsafeMutableRawPointer,
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pollFunc: (UnsafeMutableRawPointer, UnsafeMutableRawPointer) -> (),
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completeFunc: (UnsafeMutableRawPointer, UnsafeMutablePointer<RustCallStatus>) -> F,
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freeFunc: (UnsafeMutableRawPointer) -> (),
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liftFunc: (F) throws -> T,
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errorHandler: ((RustBuffer) throws -> Error)?
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) async throws -> T {
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// Make sure to call uniffiEnsureInitialized() since future creation doesn't have a
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// RustCallStatus param, so doesn't use makeRustCall()
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uniffiEnsureInitialized()
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let rustFuture = rustFutureFunc()
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defer {
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freeFunc(rustFuture)
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}
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var pollResult: Int8;
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repeat {
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pollResult = await withUnsafeContinuation {
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pollFunc(rustFuture, ContinuationHolder($0).toOpaque())
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}
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} while pollResult != UNIFFI_RUST_FUTURE_POLL_READY
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return try liftFunc(makeRustCall(
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{ completeFunc(rustFuture, $0) },
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errorHandler: errorHandler
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))
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}
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// Callback handlers for an async calls. These are invoked by Rust when the future is ready. They
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// lift the return value or error and resume the suspended function.
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fileprivate func uniffiFutureContinuationCallback(ptr: UnsafeMutableRawPointer, pollResult: Int8) {
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ContinuationHolder.fromOpaque(ptr).resume(pollResult)
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}
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// Wraps UnsafeContinuation in a class so that we can use reference counting when passing it across
|
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// the FFI
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||||
fileprivate class ContinuationHolder {
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||||
let continuation: UnsafeContinuation<Int8, Never>
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||||
|
||||
init(_ continuation: UnsafeContinuation<Int8, Never>) {
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self.continuation = continuation
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||||
}
|
||||
|
||||
func resume(_ pollResult: Int8) {
|
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self.continuation.resume(returning: pollResult)
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}
|
||||
|
||||
func toOpaque() -> UnsafeMutableRawPointer {
|
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return Unmanaged<ContinuationHolder>.passRetained(self).toOpaque()
|
||||
}
|
||||
|
||||
static func fromOpaque(_ ptr: UnsafeRawPointer) -> ContinuationHolder {
|
||||
return Unmanaged<ContinuationHolder>.fromOpaque(ptr).takeRetainedValue()
|
||||
}
|
||||
}
|
||||
|
||||
fileprivate func uniffiInitContinuationCallback() {
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ffi_pubkymobile_rust_future_continuation_callback_set(uniffiFutureContinuationCallback)
|
||||
}
|
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||||
public func auth(url: String, secretKey: String) async -> [String] {
|
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return try! await uniffiRustCallAsync(
|
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rustFutureFunc: {
|
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uniffi_pubkymobile_fn_func_auth(
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FfiConverterString.lower(url),
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FfiConverterString.lower(secretKey)
|
||||
)
|
||||
},
|
||||
pollFunc: ffi_pubkymobile_rust_future_poll_rust_buffer,
|
||||
completeFunc: ffi_pubkymobile_rust_future_complete_rust_buffer,
|
||||
freeFunc: ffi_pubkymobile_rust_future_free_rust_buffer,
|
||||
liftFunc: FfiConverterSequenceString.lift,
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||||
errorHandler: nil
|
||||
|
||||
)
|
||||
}
|
||||
|
||||
|
||||
|
||||
private enum InitializationResult {
|
||||
case ok
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||||
case contractVersionMismatch
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||||
case apiChecksumMismatch
|
||||
}
|
||||
// Use a global variables to perform the versioning checks. Swift ensures that
|
||||
// the code inside is only computed once.
|
||||
private var initializationResult: InitializationResult {
|
||||
// Get the bindings contract version from our ComponentInterface
|
||||
let bindings_contract_version = 24
|
||||
// Get the scaffolding contract version by calling the into the dylib
|
||||
let scaffolding_contract_version = ffi_pubkymobile_uniffi_contract_version()
|
||||
if bindings_contract_version != scaffolding_contract_version {
|
||||
return InitializationResult.contractVersionMismatch
|
||||
}
|
||||
if (uniffi_pubkymobile_checksum_func_auth() != 46918) {
|
||||
return InitializationResult.apiChecksumMismatch
|
||||
}
|
||||
|
||||
uniffiInitContinuationCallback()
|
||||
return InitializationResult.ok
|
||||
}
|
||||
|
||||
private func uniffiEnsureInitialized() {
|
||||
switch initializationResult {
|
||||
case .ok:
|
||||
break
|
||||
case .contractVersionMismatch:
|
||||
fatalError("UniFFI contract version mismatch: try cleaning and rebuilding your project")
|
||||
case .apiChecksumMismatch:
|
||||
fatalError("UniFFI API checksum mismatch: try cleaning and rebuilding your project")
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user