public List <string> ExecuteQuery(string query)
{
SyntaxParser1 syntaxParser = new SyntaxParser1();
var tokens = syntaxParser.Tokenize(query);
CommandExecutor commandExecutor = new CommandExecutor(mDB);
List <string> result = commandExecutor.RunDBAction(tokens);
return(result);
}
public void SyntaxParserTest()
{
// Arrange
SyntaxParser1 syntaxParser1 = new SyntaxParser1();
// Act
var result = syntaxParser1.Tokenize("db.students.find({First: \"Dina\"})");
// CommandExecutor commandExecutor = db.GetCommandExecutor();
List <string> rc = db.CommandExecutor.RunDBAction(result);
}
public List <string> RunDBAction(IEnumerable <DslToken> tokens)
{
string sTokens = "";
List <DslToken> kk = new List <DslToken>();
foreach (DslToken t1 in tokens)
{
sTokens += SyntaxParser1.GetKey(t1.tokenType);
// fix collection name - remove db.****. keep only collection name
if (t1.tokenType == TokenType.CollectionName)
{
t1.value = t1.value.Substring(3, t1.value.Length - 4);
}
kk.Add(t1);
}
List <string> result = null;
// Do routing to the relevant method
switch (sTokens)
{
case "dbcol.find(json)":
result = Find(kk);
break;
case "dbcol.find(json,json)":
result = FindWithFields(kk);
break;
default:
// err !!!!!!!!!!!!!
break;
}
return(result);
}
