all repos — litestore @ b3b0099f2b974bc9eea308d477933b8ce11807e1

A minimalist nosql document store.

src/litestorepkg/lib/cli.nim

 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
import
  parseopt,
  strutils
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" & pkgVersion & " - 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 pkgVersion
          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