70 lines
2.1 KiB
Nim
70 lines
2.1 KiB
Nim
# Nimbus
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# Copyright (c) 2019-2023 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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import
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std/[parseopt, strutils, options]
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type
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ConfigStatus* = enum
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## Configuration status flags
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Success, ## Success
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EmptyOption, ## No options in category
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ErrorUnknownOption, ## Unknown option in command line found
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ErrorParseOption, ## Error in parsing command line option
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ErrorIncorrectOption, ## Option has incorrect value
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Error ## Unspecified error
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Configuration = ref object
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testSubject*: string
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fork*: string
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index*: Option[int]
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trace*: bool
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legacy*: bool
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pruning*: bool
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json*: bool
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var testConfig {.threadvar.}: Configuration
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proc initConfiguration(): Configuration =
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result = new Configuration
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result.trace = true
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result.pruning = true
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proc getConfiguration*(): Configuration {.gcsafe.} =
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if isNil(testConfig):
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testConfig = initConfiguration()
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result = testConfig
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proc processArguments*(msg: var string): ConfigStatus =
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var
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opt = initOptParser()
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config = getConfiguration()
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result = Success
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for kind, key, value in opt.getopt():
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case kind
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of cmdArgument:
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config.testSubject = key
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of cmdLongOption, cmdShortOption:
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case key.toLowerAscii()
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of "fork": config.fork = value
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of "index": config.index = some(parseInt(value))
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of "trace": config.trace = parseBool(value)
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of "legacy": config.legacy = parseBool(value)
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of "pruning": config.pruning = parseBool(value)
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of "json": config.json = parseBool(value)
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else:
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msg = "Unknown option " & key
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if value.len > 0: msg = msg & " : " & value
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result = ErrorUnknownOption
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break
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of cmdEnd:
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doAssert(false)
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