public static FlexibleOptions Initialize(string[] args, bool thrownOnError, InitializationOptions options = null)
{
InitOptions = options;
DefaultProgramInitialization();
ProgramOptions = CheckCommandLineParams(args, thrownOnError);
if (ProgramOptions.Get <bool> ("help", false) || ProgramOptions.Get <bool> ("h", false))
{
show_help("");
CloseApplication(0, true);
}
// display program initialization header
if (!Console.IsOutputRedirected)
{
ConsoleUtils.DisplayHeader(
typeof(ConsoleUtils).Namespace.Replace(".SimpleHelpers", ""),
"options: " + (ProgramOptions == null ? "none" : "\n# " + String.Join("\n# ", ProgramOptions.Options.Select(i => i.Key + "=" + i.Value))));
}
else
{
var logger = GetLogger();
if (logger.IsDebugEnabled)
{
logger.Debug("options: " + (ProgramOptions == null ? "none" : "\n# " + String.Join("\n# ", ProgramOptions.Options.Select(i => i.Key + "=" + i.Value))));
}
}
return(ProgramOptions);
}
private static FlexibleOptions parseFile(string content)
{
var options = new FlexibleOptions();
// detect xml
if (content.TrimStart().StartsWith("<"))
{
var xmlDoc = System.Xml.Linq.XDocument.Parse(content);
var root = xmlDoc.Descendants("config").FirstOrDefault();
if (root != null && root.HasElements)
{
foreach (var i in root.Elements())
{
options.Set(i.Name.ToString(), i.Value);
}
}
}
else
{
var json = Newtonsoft.Json.Linq.JObject.Parse(content);
foreach (var i in json)
{
options.Set(i.Key, i.Value.ToString(Newtonsoft.Json.Formatting.None));
}
}
return(options);
}
/// <summary>
/// Merge together FlexibleOptions instances, the last object in the list has priority in conflict resolution (overwrite).
/// </summary>
/// <param name="items"></param>
/// <returns></returns>
public static FlexibleOptions Merge(params FlexibleOptions[] items)
{
var merge = new FlexibleOptions();
if (items != null)
{
foreach (var i in items)
{
if (i == null)
{
continue;
}
foreach (var o in i.Options)
{
merge.Options[o.Key] = o.Value;
}
}
}
return(merge);
}
private static FlexibleOptions ParseCommandLineArguments(string[] args)
{
var argsOptions = new FlexibleOptions();
if (args != null)
{
string arg;
bool openTag = false;
string lastTag = null;
for (int ix = 0; ix < args.Length; ix++)
{
arg = args[ix];
// check for option with key=value sintax (restriction: the previous tag must not be an open tag)
// also valid for --key:value
bool hasStartingMarker = arg.StartsWith("-", StringComparison.Ordinal) || arg.StartsWith("/", StringComparison.Ordinal);
int p = arg.IndexOf('=');
if (p > 0 && (hasStartingMarker || !openTag))
{
argsOptions.Set(arg.Substring(0, p).Trim().TrimStart('-', '/'), arg.Substring(p + 1).Trim());
lastTag = null;
openTag = false;
}
// search for tag stating with special character
else if (hasStartingMarker)
{
lastTag = arg.Trim().TrimStart('-', '/');
argsOptions.Set(lastTag, "true");
openTag = true;
}
// set value of last tag
else if (lastTag != null)
{
argsOptions.Set(lastTag, arg.Trim());
openTag = false;
}
}
}
return(argsOptions);
}
/// <summary>
/// Initializes a new instance of the <see cref="FlexibleOptions" /> class.
/// </summary>
/// <param name="instance">Another FlexibleObject instance to be cloned.</param>
/// <param name="caseInsensitive">If the intenal dictionary should have case insensitive keys.</param>
public FlexibleOptions(FlexibleOptions instance, bool caseInsensitive)
{
_caseInsensitive = caseInsensitive;
_options = new Dictionary <string, string> (instance.Options, _caseInsensitive ? StringComparer.OrdinalIgnoreCase : StringComparer.Ordinal);
}
/// <summary>
/// Checks the command line params.<para/>
/// arguments format: key=value or --key value
/// </summary>
/// <param name="args">The args.</param>
internal static FlexibleOptions CheckCommandLineParams(string[] args, bool thrownOnError)
{
FlexibleOptions mergedOptions = null;
FlexibleOptions argsOptions = null;
FlexibleOptions localOptions = new FlexibleOptions();
FlexibleOptions externalLoadedOptions = null;
try
{
// parse local configuration file
// display the options listed in the configuration file
try
{
var appSettings = System.Configuration.ConfigurationManager.AppSettings;
foreach (var k in appSettings.AllKeys)
{
localOptions.Set(k, appSettings[k]);
}
}
catch (Exception appSettingsEx)
{
if (thrownOnError)
{
throw;
}
GetLogger().Warn(appSettingsEx);
}
// parse console arguments
// parse arguments like: key=value
argsOptions = ParseCommandLineArguments(args);
// merge arguments with app.config options. Priority: arguments > app.config
mergedOptions = FlexibleOptions.Merge(localOptions, argsOptions);
// adjust alias for web hosted configuration file
if (String.IsNullOrEmpty(mergedOptions.Get("config")))
{
mergedOptions.Set("config", mergedOptions.Get("S3ConfigurationPath", mergedOptions.Get("webConfigurationFile")));
}
// load and parse web hosted configuration file (priority order: argsOptions > localOptions)
string externalConfigFile = mergedOptions.Get("config", "");
bool configAbortOnError = mergedOptions.Get("configAbortOnError", true);
if (!String.IsNullOrWhiteSpace(externalConfigFile))
{
foreach (var file in externalConfigFile.Trim(' ', '\'', '"', '[', ']').Split(',', ';'))
{
GetLogger().Debug("Loading configuration file from {0} ...", externalConfigFile);
externalLoadedOptions = FlexibleOptions.Merge(externalLoadedOptions, LoadExtenalConfigurationFile(file.Trim(' ', '\'', '"'), configAbortOnError));
}
}
}
catch (Exception ex)
{
// initialize log before dealing with exceptions
if (mergedOptions != null)
{
InitializeLog(mergedOptions.Get("logFilename"), mergedOptions.Get("logLevel", "Info"), InitOptions);
}
if (thrownOnError)
{
throw;
}
GetLogger().Error(ex);
}
// merge options with the following priority:
// 1. console arguments
// 2. web configuration file
// 3. local configuration file (app.config or web.config)
mergedOptions = FlexibleOptions.Merge(mergedOptions, externalLoadedOptions, argsOptions);
// reinitialize log options if different from local configuration file
InitializeLog(mergedOptions.Get("logFilename"), mergedOptions.Get("logLevel", "Info"), InitOptions);
// return final merged options
ProgramOptions = mergedOptions;
return(mergedOptions);
}