/// <summary>
/// run the reader
/// </summary>
public bool Process()
{
if (_input != null)
{
try
{
otCSVLexer _lexer = new otCSVLexer(_input);
_lexer.Delimiter = _delimiter;
// wrap a token-stream around the lexer
Antlr4.Runtime.CommonTokenStream tokens = new Antlr4.Runtime.CommonTokenStream(_lexer);
// create the aParser
otCSVParser aParser = new otCSVParser(tokens);
aParser.RemoveErrorListeners();
aParser.AddErrorListener(new ErrorListener());
otCSVParser.CsvbufferContext aTree = aParser.csvbuffer();
// walk the parse tree
DataBuilder aListener = new DataBuilder(aParser);
Antlr4.Runtime.Tree.ParseTreeWalker.Default.Walk(aListener, aTree);
// result
_header = aListener.Header;
_rows = aListener.Rows;
return(true);
} catch (Exception ex) {
return(false);
}
}
return(false);
}
private List <String[]> _rows; // rows are list of String
/// <summary>
/// constructor
/// </summary>
/// <param name="parser"></param>
public DataBuilder(otCSVParser parser)
{
_parser = parser;
}
