37 lines
1.0 KiB
Nim
37 lines
1.0 KiB
Nim
|
# SPDX-FileCopyrightText: 2021 ☭ Emery Hemingway
|
||
|
|
# SPDX-License-Identifier: Unlicense
|
||
|
|
|
||
|
|
import std/[json, options, streams]
|
||
|
|
from std/os import extractFilename, paramStr
|
||
|
|
|
||
|
|
import ../../preserves, ../../preserves/jsonhooks, ../../preserves/parse
|
||
|
|
|
||
|
|
when isMainModule:
|
||
|
|
let command = extractFilename(paramStr 0)
|
||
|
|
try:
|
||
|
|
case command:
|
||
|
|
of "preserves_encode":
|
||
|
|
let pr = stdin.readAll.parsePreserves
|
||
|
|
stdout.newFileStream.write(pr)
|
||
|
|
of "preserves_decode":
|
||
|
|
let pr = stdin.readAll.decodePreserves
|
||
|
|
stdout.writeLine($pr)
|
||
|
|
of "preserves_from_json":
|
||
|
|
let
|
||
|
|
js = stdin.newFileStream.parseJson
|
||
|
|
pr = js.toPreserve
|
||
|
|
stdout.newFileStream.write(pr)
|
||
|
|
of "preserves_to_json":
|
||
|
|
let
|
||
|
|
pr = stdin.readAll.decodePreserves
|
||
|
|
js = preserveTo(pr, JsonNode)
|
||
|
|
if js.isSome:
|
||
|
|
stdout.writeLine(get js)
|
||
|
|
else:
|
||
|
|
quit("Preserves not convertable to JSON")
|
||
|
|
else:
|
||
|
|
quit("no behavior defined for " & command)
|
||
|
|
except:
|
||
|
|
let msg = getCurrentExceptionMsg()
|
||
|
|
quit(msg)
|