/// <summary>
/// Process xmlrpc request with a specific keyword map
/// </summary>
public void ProcessRequest(HttpListenerContext RequestContext, KeywordMap map)
{
if (map == null)
{
throw new Exception("No keyword map for xmlrpc process");
}
_map = map;
base.ProcessRequest(RequestContext);
}
internal bool IsKeyword(int tokenId)
{
if (!TokenIdMap.TryGetValue(tokenId, out var token))
{
return(false);
}
return(KeywordMap.ContainsKey(token.ToLower()));
}
public bool IsKeyword(string value)
{
if (KeywordMap.TryGetValue(value.ToLower(), out var keywordId))
{
return(keywordId != ImpalaLexerInternal.IDENT);
}
return(false);
}
public ImpalaDialect()
{
// initilize keywords
KeywordMap = LoadKeywordMap();
// Initilize tokenIdMap for error reporting
TokenIdMap = new Dictionary <int, string>();
foreach (var(key, value) in KeywordMap)
{
TokenIdMap[value] = key;
}
// add non-keyword tokens. Please keep this in the same order as they are used in this
// file.
TokenIdMap[Lexer.Eof] = "EOF";
TokenIdMap[ImpalaLexerInternal.DOTDOTDOT] = "...";
TokenIdMap[ImpalaLexerInternal.COLON] = ":";
TokenIdMap[ImpalaLexerInternal.SEMICOLON] = ";";
TokenIdMap[ImpalaLexerInternal.COMMA] = "COMMA";
TokenIdMap[ImpalaLexerInternal.DOT] = ".";
TokenIdMap[ImpalaLexerInternal.STAR] = "*";
TokenIdMap[ImpalaLexerInternal.LPAREN] = "(";
TokenIdMap[ImpalaLexerInternal.RPAREN] = ")";
TokenIdMap[ImpalaLexerInternal.LBRACKET] = "[";
TokenIdMap[ImpalaLexerInternal.RBRACKET] = "]";
TokenIdMap[ImpalaLexerInternal.DIVIDE] = "/";
TokenIdMap[ImpalaLexerInternal.MOD] = "%";
TokenIdMap[ImpalaLexerInternal.ADD] = "+";
TokenIdMap[ImpalaLexerInternal.SUBTRACT] = "-";
TokenIdMap[ImpalaLexerInternal.BITAND] = "&";
TokenIdMap[ImpalaLexerInternal.BITOR] = "|";
TokenIdMap[ImpalaLexerInternal.BITXOR] = "^";
TokenIdMap[ImpalaLexerInternal.BITNOT] = "~";
TokenIdMap[ImpalaLexerInternal.EQUAL] = "=";
TokenIdMap[ImpalaLexerInternal.NOT] = "!";
TokenIdMap[ImpalaLexerInternal.LESSTHAN] = "<";
TokenIdMap[ImpalaLexerInternal.GREATERTHAN] = ">";
TokenIdMap[ImpalaLexerInternal.UNMATCHED_STRING_LITERAL] = "UNMATCHED STRING LITERAL";
TokenIdMap[ImpalaLexerInternal.NOTEQUAL] = "!=";
TokenIdMap[ImpalaLexerInternal.INTEGER_LITERAL] = "INTEGER LITERAL";
TokenIdMap[ImpalaLexerInternal.NUMERIC_OVERFLOW] = "NUMERIC OVERFLOW";
TokenIdMap[ImpalaLexerInternal.DECIMAL_LITERAL] = "DECIMAL LITERAL";
TokenIdMap[ImpalaLexerInternal.EMPTY_IDENT] = "EMPTY IDENTIFIER";
TokenIdMap[ImpalaLexerInternal.IDENT] = "IDENTIFIER";
TokenIdMap[ImpalaLexerInternal.STRING_LITERAL] = "STRING LITERAL";
TokenIdMap[ImpalaLexerInternal.COMMENTED_PLAN_HINT_START] = "COMMENTED_PLAN_HINT_START";
TokenIdMap[ImpalaLexerInternal.COMMENTED_PLAN_HINT_END] = "COMMENTED_PLAN_HINT_END";
TokenIdMap[ImpalaLexerInternal.UNEXPECTED_CHAR] = "Unexpected character";
ReservedWords = new HashSet <string>(KeywordMap.Select(kv => kv.Key));
}
protected void LoadChannelGroups()
{
_channelGroupList = KeywordMap.RetrieveChannelGroups(_keyWord.IdKeyword);
}
