static void Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("WordStats (options) file");
}
else if (args.Any(x => x == "--help" || x == "-h"))
{
Console.WriteLine("WordStats");
Console.WriteLine(" WordStats (options) file");
Console.WriteLine();
Console.WriteLine(" options:");
Console.WriteLine(" --help, --h: this message");
Console.WriteLine(" @(fileName): setting file name");
}
else
{
string?filePath = null;
string?settingFilePath = null;
foreach (var item in args)
{
if (item.StartsWith("@"))
{
settingFilePath = item.Substring(1);
}
else
{
filePath = item;
}
}
if (string.IsNullOrWhiteSpace(filePath))
{
throw new ArgumentException($"invalid dictionary name: {filePath}");
}
WordStatsSettings settings = GetSettings(settingFilePath);
IWordDictionary dictionary = GetDictionary(settings.Dictionary);
dictionary.ReadFile(filePath);
IList <IWordCategorizer> categorizers = GetCategorizers(settings.Categorizers);
IWordStatistics statistics = GetStatistics(settings.Statistics, settings.Order);
statistics.Dictionary = dictionary;
statistics.Execute(categorizers);
}
}
private static WordStatsSettings GetSettings(string?settingFilePath)
{
WordStatsSettings settings;
if (string.IsNullOrWhiteSpace(settingFilePath))
{
settings = new WordStatsSettings
{
Dictionary = new UsingClassInfo
{
DllPath = "WordStatistics.dll",
ClassName = typeof(DefaultDictionary).FullName,
},
Categorizers = new List <UsingClassInfo>
{
new UsingClassInfo
{
DllPath = "WordStatistics.dll",
ClassName = typeof(LengthCategorizer).FullName,
},
new UsingClassInfo
{
DllPath = "WordStatistics.dll",
ClassName = typeof(UsingCharactersCategorizer).FullName,
},
},
Statistics = new UsingClassInfo
{
DllPath = "WordStatistics.dll",
ClassName = typeof(DefaultStatistics).FullName,
},
};
}
else
{
var option = new JsonSerializerOptions
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
};
settings = JsonSerializer.Deserialize <WordStatsSettings>(File.ReadAllText(settingFilePath), option);
}
return(settings);
}