public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var query = this.ReadQuery(s);
return col.Delete(query);
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var docs = col.GetIndexes();
return new BsonArray(docs);
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var newName = s.Scan(@"[\w-]+");
return db.RenameCollection(col.Name, newName);
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var doc = JsonSerializer.Deserialize(s).AsDocument;
return col.Update(doc);
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var id = this.ReadId(s);
var metadata = JsonSerializer.Deserialize(s).AsDocument;
return db.FileStorage.SetMetadata(id, metadata);
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var index = s.Scan(this.FieldPattern).Trim();
return col.DropIndex(index);
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var cols = db.GetCollectionNames().OrderBy(x => x).ToArray();
if (cols.Length == 0) return BsonValue.Null;
return string.Join(Environment.NewLine, cols);
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var query = this.ReadQuery(s);
var skipLimit = this.ReadSkipLimit(s);
var docs = col.Find(query, skipLimit.Key, skipLimit.Value);
return new BsonArray(docs);
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var filename = s.Scan(@".*");
using (var sr = new StreamReader(filename, Encoding.UTF8))
{
var docs = JsonSerializer.DeserializeArray(sr);
return col.InsertBulk(docs.Select(x => x.AsDocument));
}
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var value = JsonSerializer.Deserialize(s);
if (value.IsArray)
{
return col.Insert(value.AsArray.RawValue.Select(x => x.AsDocument));
}
else
{
col.Insert(new BsonDocument(value.AsDocument));
return BsonValue.Null;
}
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
if (s.HasTerminated)
{
var files = db.FileStorage.FindAll().Select(x => x.AsDocument);
return new BsonArray(files);
}
else
{
var id = this.ReadId(s);
var files = db.FileStorage.Find(id).Select(x => x.AsDocument);
return new BsonArray(files);
}
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var id = this.ReadId(s);
var filename = s.Scan(@"\s*.*").Trim();
var file = db.FileStorage.FindById(id);
if (file != null)
{
file.SaveAs(filename, true);
return file.AsDocument;
}
else
{
return false;
}
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var result = new StringBuilder();
if (s.HasTerminated || s.Match("mem$"))
{
var mem = s.Match("mem$");
result = DumpDatabase.Pages(db, mem);
}
else
{
var col = s.Scan(@"[\w-]+");
var field = s.Scan(@"\s+\w+").Trim();
result = DumpDatabase.Index(db, col, field);
}
return result.ToString();
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
var field = s.Scan(this.FieldPattern).Trim();
var doc = JsonSerializer.Deserialize(s);
if (doc.IsNull)
{
return col.EnsureIndex(field, false);
}
else if (doc.IsBoolean)
{
return col.EnsureIndex(field, doc.AsBoolean);
}
else
{
var options = db.Mapper.ToObject<IndexOptions>(doc.AsDocument);
return col.EnsureIndex(field, options);
}
}
public bool IsCommand(StringScanner s)
{
return s.Match(@"db\.info$");
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var col = this.ReadCollection(db, s);
return col.Drop();
}
public bool IsCommand(StringScanner s)
{
return this.IsCollectionCommand(s, "drop[iI]ndex");
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
db.Rollback();
return BsonValue.Null;
}
public bool IsCommand(StringScanner s)
{
return this.IsCollectionCommand(s, "find");
}
public bool IsCommand(StringScanner s)
{
return s.Scan(@"dump\s*").Length > 0;
}
public bool IsCommand(StringScanner s)
{
return s.Scan(@"rollback(\s+trans)?$").Length > 0;
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
db.BeginTrans();
return BsonValue.Null;
}
public bool IsCommand(StringScanner s)
{
return s.Match(@"show\scollections");
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
db.Commit();
return BsonValue.Null;
}
public bool IsCommand(StringScanner s)
{
return this.IsFileCommand(s, "delete");
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
var id = this.ReadId(s);
return db.FileStorage.Delete(id);
}
public bool IsCommand(StringScanner s)
{
return this.IsFileCommand(s, "download");
}
public BsonValue Execute(LiteDatabase db, StringScanner s)
{
return db.GetDatabaseInfo();
}