public override bool Handle(char c, Token tokenSeparator, TokenizerContext context, ITokenIndexProvider tokenIndexProvider)
{
if (context.IsInSheetName)
{
if (IsDoubleQuote(tokenSeparator, tokenIndexProvider.Index, context))
{
tokenIndexProvider.MoveIndexPointerForward();
context.AppendToCurrentToken(c);
return true;
}
if (tokenSeparator.TokenType != TokenType.WorksheetName)
{
context.AppendToCurrentToken(c);
return true;
}
}
if (tokenSeparator.TokenType == TokenType.WorksheetName)
{
if (context.LastToken != null && context.LastToken.TokenType == TokenType.WorksheetName)
{
context.AddToken(!context.CurrentTokenHasValue
? new Token(string.Empty, TokenType.WorksheetNameContent)
: new Token(context.CurrentToken, TokenType.WorksheetNameContent));
}
context.AddToken(new Token("'", TokenType.WorksheetName));
context.ToggleIsInSheetName();
context.NewToken();
return true;
}
return false;
}
/// <summary>
/// Handles a tokenseparator.
/// </summary>
/// <param name="c"></param>
/// <param name="tokenSeparator"></param>
/// <param name="context"></param>
/// <param name="tokenIndexProvider"></param>
/// <returns>Returns true if the tokenseparator was handled.</returns>
public static bool Handle(char c, Token tokenSeparator, TokenizerContext context, ITokenIndexProvider tokenIndexProvider)
{
foreach(var handler in _handlers)
{
if(handler.Handle(c, tokenSeparator, context, tokenIndexProvider))
{
return true;
}
}
return false;
}
/// <summary>
/// Handles a tokenseparator.
/// </summary>
/// <param name="c"></param>
/// <param name="tokenSeparator"></param>
/// <param name="context"></param>
/// <param name="tokenIndexProvider"></param>
/// <returns>Returns true if the tokenseparator was handled.</returns>
public bool Handle(char c, Token tokenSeparator, TokenizerContext context, ITokenIndexProvider tokenIndexProvider)
{
foreach (var handler in _handlers)
{
if (handler.Handle(c, tokenSeparator, context, tokenIndexProvider))
{
return(true);
}
}
return(false);
}
public override bool Handle(char c, Token tokenSeparator, TokenizerContext context, ITokenIndexProvider tokenIndexProvider)
{
// two operators in sequence could be "<=" or ">="
if (IsPartOfMultipleCharSeparator(context, c))
{
var sOp = context.LastToken.Value + c.ToString(CultureInfo.InvariantCulture);
var op = _tokenSeparatorProvider.Tokens[sOp];
context.ReplaceLastToken(op);
context.NewToken();
return true;
}
return false;
}
public override bool Handle(char c, Token tokenSeparator, TokenizerContext context, ITokenIndexProvider tokenIndexProvider)
{
if (tokenSeparator.TokenType == TokenType.OpeningBracket)
{
context.AppendToCurrentToken(c);
context.BracketCount++;
return true;
}
if (tokenSeparator.TokenType == TokenType.ClosingBracket)
{
context.AppendToCurrentToken(c);
context.BracketCount--;
return true;
}
if (context.BracketCount > 0)
{
context.AppendToCurrentToken(c);
return true;
}
return false;
}
public override bool Handle(char c, Token tokenSeparator, TokenizerContext context, ITokenIndexProvider tokenIndexProvider)
{
if (context.IsInSheetName)
{
if (IsDoubleQuote(tokenSeparator, tokenIndexProvider.Index, context))
{
tokenIndexProvider.MoveIndexPointerForward();
context.AppendToCurrentToken(c);
return(true);
}
if (tokenSeparator.TokenType != TokenType.WorksheetQuote)
{
context.AppendToCurrentToken(c);
return(true);
}
}
if (tokenSeparator.TokenType == TokenType.WorksheetQuote)
{
if (context.LastToken != null && context.LastToken.TokenType == TokenType.WorksheetQuote)
{
context.AddToken(!context.CurrentTokenHasValue
? new Token(string.Empty, TokenType.WorksheetName)
: new Token(context.CurrentToken, TokenType.WorksheetName));
}
context.AddToken(new Token("'", TokenType.WorksheetQuote));
context.ToggleIsInSheetName();
context.NewToken();
return(true);
}
return(false);
}
public override bool Handle(char c, Token tokenSeparator, TokenizerContext context, ITokenIndexProvider tokenIndexProvider)
{
// two operators in sequence could be "<=" or ">="
if (IsPartOfMultipleCharSeparator(context, c))
{
var sOp = context.LastToken.Value + c.ToString();
var op = _tokenSeparatorProvider.Tokens[sOp];
context.ReplaceLastToken(op);
context.NewToken();
return(true);
}
return(false);
}
public abstract bool Handle(char c, Token tokenSeparator, TokenizerContext context, ITokenIndexProvider tokenIndexProvider);
public override bool Handle(char c, Token tokenSeparator, TokenizerContext context, ITokenIndexProvider tokenIndexProvider)
{
if (context.IsInString)
{
if (IsDoubleQuote(tokenSeparator, tokenIndexProvider.Index, context))
{
tokenIndexProvider.MoveIndexPointerForward();
context.AppendToCurrentToken(c);
return(true);
}
if (!tokenSeparator.TokenTypeIsSet(TokenType.String))
{
context.AppendToCurrentToken(c);
return(true);
}
}
if (tokenSeparator.TokenTypeIsSet(TokenType.String))
{
if (context.LastToken != null && context.LastToken.Value.TokenTypeIsSet(TokenType.OpeningEnumerable))
{
context.AppendToCurrentToken(c);
context.ToggleIsInString();
return(true);
}
if (context.LastToken != null && context.LastToken.Value.TokenTypeIsSet(TokenType.String))
{
context.AddToken(!context.CurrentTokenHasValue
? new Token(string.Empty, TokenType.StringContent)
: new Token(context.CurrentToken, TokenType.StringContent));
}
context.AddToken(new Token("\"", TokenType.String));
context.ToggleIsInString();
context.NewToken();
return(true);
}
return(false);
}
/// <summary>
/// Handles the single-quote character for worksheet names.
/// </summary>
/// <param name="c">The character to handle.</param>
/// <param name="tokenSeparator">The token separator to handle.</param>
/// <param name="context">The tokenization context.</param>
/// <param name="tokenIndexProvider">The <see cref="ITokenIndexProvider"/>.</param>
/// <returns>True if the token separator was handled, false otherwise.</returns>
public override bool Handle(char c, Token tokenSeparator, TokenizerContext context, ITokenIndexProvider tokenIndexProvider)
{
if (context.IsInSheetName)
{
if (base.IsDoubleQuote(tokenSeparator, tokenIndexProvider.Index, context))
{
tokenIndexProvider.MoveIndexPointerForward();
context.AppendToCurrentToken(c);
return(true);
}
if (tokenSeparator.TokenType != TokenType.WorksheetName)
{
context.AppendToCurrentToken(c);
return(true);
}
}
if (tokenSeparator.TokenType == TokenType.WorksheetName)
{
context.AppendToCurrentToken(c);
context.ToggleIsInSheetName();
return(true);
}
return(false);
}
