lib/cli.nim
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import
parseopt2,
parsecfg,
streams,
strutils,
logging
import
types,
utils
const cfgfile = "litestore.nimble".slurp
const favicon = "app/favicon.ico".slurp
var
file*, address*, version*, appname*: string
port*: int
operation = opRun
directory = ""
readonly = false
logLevel = lvlInfo
mount = false
reset = false
var f = newStringStream(cfgfile)
if f != nil:
var p: CfgParser
open(p, f, "litestore.nimble")
while true:
var e = next(p)
case e.kind
of cfgEof:
break
of cfgKeyValuePair:
case e.key:
of "version":
version = e.value
of "appame":
appname = e.value
of "port":
port = e.value.parseInt
of "address":
address = e.value
of "file":
file = e.value
else:
discard
of cfgError:
fail(1, "Configuration error.")
else:
discard
close(p)
else:
fail(2, "Cannot process configuration file.")
let
usage* = appname & " v" & version & " - Lightweight REST Document Store" & """
(c) 2015 Fabio Cevasco
Usage:
LS [-p:<port> -a:<address>] [<file>] [--import:<directory> | --export:<directory> | --delete:<directory>]
Options:
-a, --address Specify address (default: 127.0.0.1).
-d, --delete Delete the previously-imported specified directory.
--export Export the previously-imported specified directory to the current directory.
-h, --help Display this message.
--import Import the specified directory (Store all its contents).
-l, --log Specify the log level: debug, info, warn, error, fatal, none (default: info)
-p, --port Specify port number (default: 9500).
-r, --readonly Allow only data retrieval operations.
-m, --mount Run server and mirror database changes to the specified directory on the filesystem.
--reset If --mount is specified, resets (deletes) any previously imported directory data.
-v, --version Display the program version.
"""
for kind, key, val in getOpt():
case kind:
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 "log", "l":
if val == "":
fail(102, "Log level not specified.")
try:
logLevel = logging.LevelNames.find(val.toUpper).Level
except:
fail(103, "Invalid log level '$1'" % val)
of "import":
if val == "":
fail(104, "Directory to import not specified.")
operation = opImport
directory = val
of "mount", "m":
if val == "":
fail(104, "Directory to mount not specified.")
operation = opRun
directory = val
mount = true
of "reset":
reset = true
of "export":
if val == "":
fail(105, "Directory to export not specified.")
operation = opExport
directory = val
of "delete", "d":
operation = opDelete
directory = val
of "version", "v":
echo version
quit(0)
of "help", "h":
echo usage
quit(0)
of "readonly", "r":
readonly = true
else:
discard
of cmdArgument:
file = key
else:
discard
var LS*: LiteStore
LS.port = port
LS.address = address
LS.operation = operation
LS.file = file
LS.directory = directory
LS.appversion = version
LS.readonly = readonly
LS.appname = appname
LS.favicon = favicon
LS.mount = mount
LS.reset = reset
# Initialize loggers
logging.handlers.add(newConsoleLogger(logLevel, "$date $time - "))
logging.handlers.add(newFileLogger("litestore.log.txt", fmAppend, logLevel, fmtStr = "$date $time - "))
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