static void Main(string[] args)
{
if (args[0].ToLower() == "write")
{
if (Array.IndexOf(args, "--file") == -1 ||
Array.IndexOf(args, "--dir") == -1)
{
Console.WriteLine("I need both a file and a directory.");
return;
}
var take = 1000;
var skip = 0;
if (Array.IndexOf(args, "--take") > 0)
{
take = int.Parse(args[Array.IndexOf(args, "--take") + 1]);
}
if (Array.IndexOf(args, "--skip") > 0)
{
skip = int.Parse(args[Array.IndexOf(args, "--skip") + 1]);
}
var fileName = args[Array.IndexOf(args, "--file") + 1];
var dir = args[Array.IndexOf(args, "--dir") + 1];
var json = File.ReadAllText(fileName);
var docs = JsonConvert.DeserializeObject <List <Document> >(json).Skip(skip).Take(take).ToList();
Console.Write("Writing: ");
var cursorPos = Console.CursorLeft;
var count = 0;
var timer = new Stopwatch();
timer.Start();
using (var w = new IndexWriter(dir, new Analyzer()))
{
foreach (var d in docs)
{
Console.SetCursorPosition(cursorPos, Console.CursorTop);
Console.Write(++count);
w.Write(d);
}
}
timer.Stop();
Console.WriteLine("");
Console.WriteLine("Index created in " + timer.Elapsed);
}
else if (args[0].ToLower() == "query")
{
if (Array.IndexOf(args, "-q") == -1 ||
Array.IndexOf(args, "--dir") == -1)
{
Console.WriteLine("I need both a directory and a query.");
return;
}
var dir = args[Array.IndexOf(args, "--dir") + 1];
var q = args[Array.IndexOf(args, "-q") + 1];
var page = 0;
var size = 10;
if (Array.IndexOf(args, "-p") > 0)
{
page = int.Parse(args[Array.IndexOf(args, "-p") + 1]);
}
if (Array.IndexOf(args, "-s") > 0)
{
size = int.Parse(args[Array.IndexOf(args, "-s") + 1]);
}
var timer = new Stopwatch();
timer.Start();
using (var s = new Searcher(dir))
{
Console.WriteLine("Searcher initialized in {0} ms", timer.ElapsedMilliseconds);
timer.Restart();
for (int i = 0; i < 1; i++)
{
s.Search(q, page, size).Docs.ToList(); // warm up the "label" field
}
Console.WriteLine("Warm-up in {0} ms\r\n", timer.ElapsedMilliseconds);
timer.Restart();
var result = s.Search(q, page, size);
var docs = result.Docs.ToList();
var elapsed = timer.Elapsed.TotalMilliseconds;
var position = 0 + (page * size);
foreach (var doc in docs)
{
Console.WriteLine(string.Join(", ", ++position, doc.Fields["id"][0], doc.Fields["label"][0]));
}
Console.WriteLine("\r\n{0} results of {1} in {2} ms", docs.Count, result.Total, elapsed);
}
}
else if (args[0].ToLower() == "analyze")
{
if (Array.IndexOf(args, "--field") == -1 || Array.IndexOf(args, "--dir") == -1)
{
Console.WriteLine("I need a directory and a field.");
return;
}
var dir = args[Array.IndexOf(args, "--dir") + 1];
var field = args[Array.IndexOf(args, "--field") + 1];
var timer = new Stopwatch();
timer.Start();
var scanner = new Scanner(dir);
var tokens = scanner.GetAllTokens(field).OrderByDescending(t => t.Count).ToList();
Console.WriteLine("Tokens fetched from disk in {0} ms. Writing...\r\n", timer.ElapsedMilliseconds);
File.WriteAllLines(Path.Combine(dir, "_" + field + ".txt"), tokens.Select(t => string.Format("{0} {1}", t.Token, t.Count)));
}
else if (args[0].ToLower() == "about")
{
var about = File.ReadAllText(@"..\..\..\readme.md");
var dir = Path.Combine(Environment.CurrentDirectory, "about");
using (var writer = new IndexWriter(dir, new Analyzer()))
{
writer.Write(new Document
{
Fields = new Dictionary <string, List <string> >
{
{ "body", new List <string> {
about
} }
}
});
}
var scanner = new Scanner(dir);
var timer = new Stopwatch();
timer.Start();
var tokens = scanner.GetAllTokens("body").OrderByDescending(t => t.Count).ToList();
Console.WriteLine("Tokens fetched from disk in {0} ms. Writing...\r\n", timer.ElapsedMilliseconds);
File.WriteAllLines(Path.Combine(dir, "_about.txt"), tokens.Select(t => string.Format("{0} {1}", t.Token, t.Count)));
}
else
{
Console.WriteLine("usage:");
Console.WriteLine("rn.exe write --file source.json --dir c:\\target_dir");
Console.WriteLine("rn.exe query --dir c:\\my_index -q field:value");
}
}
static void Main(string[] args)
{
if (args[0].ToLower() == "write")
{
if (Array.IndexOf(args, "--file") == -1 ||
Array.IndexOf(args, "--dir") == -1)
{
Console.WriteLine("I need both a file and a directory.");
return;
}
var take = 1000;
var skip = 0;
if (Array.IndexOf(args, "--take") > 0)
{
take = int.Parse(args[Array.IndexOf(args, "--take") + 1]);
}
if (Array.IndexOf(args, "--skip") > 0)
{
skip = int.Parse(args[Array.IndexOf(args, "--skip") + 1]);
}
var fileName = args[Array.IndexOf(args, "--file") + 1];
var dir = args[Array.IndexOf(args, "--dir") + 1];
var json = File.ReadAllText(fileName);
var docs = JsonConvert.DeserializeObject <List <Document> >(json).Skip(skip).Take(take).ToList();
Console.Write("Writing: ");
var cursorPos = Console.CursorLeft;
var count = 0;
var timer = new Stopwatch();
timer.Start();
using (var w = new IndexWriter(dir, new Analyzer()))
{
foreach (var d in docs)
{
Console.SetCursorPosition(cursorPos, Console.CursorTop);
Console.Write(++count);
w.Write(d);
}
}
timer.Stop();
Console.WriteLine("");
Console.WriteLine("Index created in " + timer.Elapsed);
}
else if (args[0].ToLower() == "query")
{
if (Array.IndexOf(args, "-q") == -1 ||
Array.IndexOf(args, "--dir") == -1)
{
Console.WriteLine("I need both a directory and a query.");
return;
}
var dir = args[Array.IndexOf(args, "--dir") + 1];
var q = args[Array.IndexOf(args, "-q") + 1];
var timer = new Stopwatch();
timer.Start();
using (var s = new Searcher(dir))
{
Console.WriteLine("Searcher initialized in {0} ms", timer.ElapsedMilliseconds);
timer.Restart();
for (int i = 0; i < 1; i++)
{
s.Search(q).ToList(); // warm up the "label" field
}
Console.WriteLine("Warm-up in {0} ms\r\n", timer.ElapsedMilliseconds);
timer.Restart();
var docs = s.Search(q).ToList();
var elapsed = timer.Elapsed.TotalMilliseconds;
var position = 0;
foreach (var doc in docs)
{
Console.WriteLine(string.Join(", ", ++position, doc.Fields["id"][0], doc.Fields["label"][0]));
}
Console.WriteLine("{0} results in {1} ms", docs.Count, elapsed);
}
}
else if (args[0].ToLower() == "analyze")
{
if (Array.IndexOf(args, "--field") == -1 || Array.IndexOf(args, "--dir") == -1)
{
Console.WriteLine("I need a directory and a field.");
return;
}
var dir = args[Array.IndexOf(args, "--dir") + 1];
var field = args[Array.IndexOf(args, "--field") + 1];
var scanner = new Scanner(dir);
File.WriteAllLines(Path.Combine(dir, "_" + field + ".txt"), scanner.GetAllTokens("label"));
}
else
{
Console.WriteLine("usage:");
Console.WriteLine("rn.exe write --file source.json --dir c:\\target_dir");
Console.WriteLine("rn.exe query --dir c:\\my_index -q field:value");
}
}