lib/cli.nim
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import
parseopt,
strutils,
strtabs
import
logger,
config,
types,
utils
const favicon = "../admin/favicon.ico".slurp
var
operation = opRun
directory:string = ""
readonly = false
logLevel = "warn"
mount = false
exOperation:string = ""
exFile:string = ""
exBody:string = ""
exType:string = ""
exUri:string = ""
let
usage* = appname & " v" & version & " - Lightweight REST Document Store" & """
(c) 2015-2018 Fabio Cevasco
Usage:
litestore [command] [option1 option2 ...]
Commands:
run Start LiteStore server (default if no command specified).
delete Delete a previously-imported specified directory (requires -d).
execute Execute an operation on data stored in the datastore (requires -o, -u, and in certain cases -f or -b and -t).
import Import the specified directory into the datastore (requires -d).
export Export the previously-imported specified directory to the current directory (requires -d).
optimize Optimize search indexes.
vacuum Vacuum datastore.
Options:
-a, --address Specify server address (default: 127.0.0.1).
-b, --body Specify a string containing input data for an operation to be executed.
-d, --directory Specify a directory to serve, import, export, delete, or mount.
-f, --file Specify a file containing input data for an operation to be executed.
-h, --help Display this message.
-l, --log Specify the log level: debug, info, warn, error, none (default: info)
-m, --mount Mirror database changes to the specified directory on the filesystem.
-o, --operation Specify an operation to execute via the execute command: get, put, delete, patch, post, head, options.
-p, --port Specify server port number (default: 9500).
-r, --readonly Allow only data retrieval operations.
-s, --store Specify a datastore file (default: data.db)
-t, --type Specify a content type for the body an operation to be executed via the execute command.
-u, --uri Specify an uri to execute an operation through the execute command.
-v, --version Display the program version.
"""
for kind, key, val in getOpt():
case kind:
of cmdArgument:
case key:
of "run":
operation = opRun
of "import":
operation = opImport
of "execute":
operation = opExecute
of "export":
operation = opExport
of "delete":
operation = opDelete
of "optimize":
operation = opOptimize
of "vacuum":
operation = opVacuum
else:
discard
of cmdLongOption, cmdShortOption:
case key:
of "address", "a":
if val == "":
fail(100, "Address not specified.")
address = val
of "port", "p":
if val == "":
fail(101, "Port not specified.")
port = val.parseInt
of "store", "s":
file = val
of "log", "l":
if val == "":
fail(102, "Log level not specified.")
case val:
of "info":
LOG.level = lvInfo
of "warn":
LOG.level = lvWarn
of "debug":
LOG.level = lvDebug
of "error":
LOG.level = lvError
of "none":
LOG.level = lvNone
else:
fail(103, "Invalid log level '$1'" % val)
loglevel = val
of "directory", "d":
if val == "":
fail(104, "Directory not specified.")
directory = val
of "operation", "o":
if val == "":
fail(106, "Operation not specified.")
exOperation = val
of "file", "f":
if val == "":
fail(107, "File not specified.")
exFile = val
of "uri", "u":
if val == "":
fail(108, "URI not specified.")
exUri = val
of "body", "b":
if val == "":
fail(112, "Body not specified.")
exBody = val
of "type", "t":
if val == "":
fail(113, "Content type not specified.")
exType = val
of "mount", "m":
mount = true
of "version", "v":
echo version
quit(0)
of "help", "h":
echo usage
quit(0)
of "readonly", "r":
readonly = true
else:
discard
else:
discard
# Validation
if directory == "" and (operation in [opDelete, opImport, opExport] or mount):
fail(105, "--directory option not specified.")
if exFile == "" and (exOperation in ["put", "post", "patch"]):
fail(109, "--file option not specified")
if exUri == "" and operation == opExecute:
fail(110, "--uri option not specified")
if exOperation == "" and operation == opExecute:
fail(111, "--operation option not specified")
LS.operation = operation
LS.address = address
LS.port = port
LS.file = file
LS.directory = directory
LS.readonly = readonly
LS.favicon = favicon
LS.loglevel = loglevel
LS.mount = mount
LS.execution.file = exFile
LS.execution.body = exBody
LS.execution.ctype = exType
LS.execution.uri = exUri
LS.execution.operation = exOperation
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