private static string GetUsageMessage(CommandLineParser parser)
{
string usage = "Migrate.exe <target> [<Arguments>]" + Environment.NewLine + Environment.NewLine +
"target: name of the connectionString as specified in Generate.exe.config" + Environment.NewLine +
Environment.NewLine + parser.GetUsage();
return string.Format(CultureInfo.CurrentCulture, "Usage:{0}{1}", Environment.NewLine, usage);
}
internal static void ParseCommandLineArguments(CommandLineOptions options, CommandLineParser parser, ConnectionStringSettingsCollection connectionStrings, out string connectionString, out string[] excludedTables)
{
if (parser.Parameters.Length < 1 || // expect at least the target
parser.UnhandledSwitches.Length > 0)
{
throw new InvalidCommandLineArgumentException("Invalid command line arguments. Specify the target." + Environment.NewLine + Environment.NewLine + GetUsageMessage(parser),
InvalidArgumentsExitCode);
}
// connection string
string target = parser.Parameters[0];
ConnectionStringSettings settings = connectionStrings[target];
if (settings == null)
{
throw new InvalidCommandLineArgumentException(string.Format(CultureInfo.CurrentCulture,
"Missing target: '{0}'. Could not find entry in the configuration file.", target),
InvalidTargetExitCode);
}
connectionString = settings.ConnectionString;
if (connectionString == null)
{
throw new InvalidCommandLineArgumentException(string.Format(CultureInfo.CurrentCulture,
"Empty target: '{0}'. The entry in the configuration file is empty.", target),
InvalidTargetExitCode);
}
// additional parameters
excludedTables = (options.Exclude ?? string.Empty).Split(',');
}
private static bool DisplayHelp(string commandLine, out CommandLineOptions options, out CommandLineParser parser)
{
options = new CommandLineOptions();
parser = new CommandLineParser(commandLine, options);
parser.Parse();
return options.Help;
}
internal static void ParseCommandLineArguments(CommandLineOptions options, CommandLineParser parser, ConnectionStringSettingsCollection connectionStrings,
out string connectionString,
out string migrationNamespace,
out string moduleName,
out string versioningTableName,
out string versioningTableSchema,
out string[] includedSchemas,
out string[] excludedTables,
out bool includeData)
{
if (parser.Parameters.Length < 1 || // expect at least the target
parser.UnhandledSwitches.Length > 0)
{
throw new InvalidCommandLineArgumentException("Invalid command line arguments. Specify the target." + Environment.NewLine + Environment.NewLine + GetUsageMessage(parser),
InvalidArgumentsExitCode);
}
// connection string
string target = parser.Parameters[0];
ConnectionStringSettings settings = connectionStrings[target];
if (settings == null)
{
throw new InvalidCommandLineArgumentException(string.Format(CultureInfo.CurrentCulture,
"Missing target: '{0}'. Could not find entry in the configuration file.", target),
InvalidTargetExitCode);
}
connectionString = settings.ConnectionString;
if (connectionString == null)
{
throw new InvalidCommandLineArgumentException(string.Format(CultureInfo.CurrentCulture,
"Empty target: '{0}'. The entry in the configuration file is empty.", target),
InvalidTargetExitCode);
}
// additional parameters
migrationNamespace = options.Namespace;
moduleName = options.ModuleName;
versioningTableName = options.VersioningTableName;
versioningTableSchema = options.VersioningTableSchema;
includedSchemas = (options.Schemas ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
excludedTables = (options.Exclude ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
includeData = options.IncludeData;
}
