52 lines
1.5 KiB
Nim
52 lines
1.5 KiB
Nim
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import
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tables, strutils, typetraits, options,
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serialization/[object_serialization, errors],
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./utils
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type
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WinregReader* = object
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hKey: HKEY
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path: string
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WinregReaderError* = object of WinregError
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GenericWinregReaderError* = object of WinregReaderError
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deserializedField*: string
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innerException*: ref CatchableError
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proc handleReadException*(r: WinregReader,
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Record: type,
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fieldName: string,
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field: auto,
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err: ref CatchableError) =
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var ex = new GenericWinregReaderError
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ex.deserializedField = fieldName
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ex.innerException = err
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raise ex
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proc init*(T: type WinregReader,
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hKey: HKEY, path: string): T =
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result.hKey = hKey
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result.path = path
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proc readValue*[T](r: var WinregReader, value: var T)
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{.raises: [SerializationError, IOError, Defect].} =
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mixin readValue
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when T is (SomePrimitives or range):
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getValue(w.hKey, w.path, w.key, value)
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elif T is (seq or array):
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when uTypeIsPrimitives(T):
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getValue(w.hKey, w.path, w.key, value)
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elif uTypeIsRecord(T):
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# TODO: reduce allocation
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discard
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else:
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const typeName = typetraits.name(T)
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{.fatal: "Failed to convert from Winreg array an unsupported type: " & typeName.}
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elif T is (object or tuple):
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discard
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else:
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const typeName = typetraits.name(T)
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{.fatal: "Failed to convert from Winreg an unsupported type: " & typeName.}
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