public string[] Split()
{
if (string.IsNullOrEmpty(this.Text) || this.Splitters == null || this.Splitters.Length == 0)
{
return(new string[0]);
}
this.Tokenizer.ResetPosition();
List <string> splitted = new List <string>();
while (!this.Tokenizer.Finish)
{
StringTokenResult tokenResult = this.Tokenizer.Tokenize();
if (this.SplitOptions.HasFlag(StringSplitOption.CrossEmptyValue) && string.IsNullOrEmpty(tokenResult.TokenText))
{
continue;
}
if (this.OnSplit != null)
{
var handler = new StringSplitHandler(tokenResult.TokenText, tokenResult.TokenKey, splitted.Count);
this.OnSplitEvent(handler);
if (!handler.Cancel)
{
splitted.Add(handler.Text);
}
if (handler.Stop)
{
break;
}
}
if (this.Count > 0 && splitted.Count >= this.Count)
{
break;
}
}
return(splitted.ToArray());
}
/* OldStyle
* private string[] SplitPrivate()
* {
* if (string.IsNullOrEmpty(this.Text) || this.Splitters == null || this.Splitters.Length == 0) return new string[0];
* int maxlen = this.Splitters.First().Length;
* List<string> splitted = new List<string>();
* StringBuilder currentKey = new StringBuilder();
* StringBuilder currentValue = new StringBuilder();
* bool specialchar = false;
* bool isquote = false;
* bool quoted = false;
* char quotchar = '\0';
* for (int i = 0; i < this.Text.Length; i++)
* {
* char current = this.Text[i];
* if (current == '\\' && !specialchar)
* {
* if (this.SplitOptions.HasFlag(StringSplitOption.PrintSpecialCharacter))
* {
* currentValue.Append(current);
* }
* specialchar = true;
* continue;
* }
* bool continueNext = false;
* if(this.SplitQuoteOption != StringQuoteOption.None)
* {
* if((this.SplitQuoteOption == StringQuoteOption.SingleQuote && current == '\'') || (this.SplitQuoteOption == StringQuoteOption.DoubleQuote && current == '"'))
* {
* continueNext = true;
* }
* else if(this.SplitQuoteOption == StringQuoteOption.All)
* {
* if(isquote)
* {
* if(current == quotchar)
* {
* continueNext = true;
* }
* }
* else
* {
* continueNext = true;
* quotchar = current;
* }
* }
* }
* if (continueNext && !specialchar)
* {
* if (isquote)
* {
* quoted = true;
* }
* isquote = !isquote;
*
* if (this.SplitOptions.HasFlag(StringSplitOption.PrintSpecialCharacter))
* {
* currentValue.Append(current);
* }
*
*
* continue;
* }
* else
* {
* if (!isquote)
* {
* currentKey.Append(current);
* }
*
* if (currentKey.Length > maxlen)
* {
* currentKey.Remove(0, 1);
* }
* if (currentKey.Length >= maxlen && !isquote)
* {
* bool next = false;
* for (int j = 0; j < this.Splitters.Length; j++)
* {
* if (currentKey.ToString(0, this.Splitters[j].Length) == this.Splitters[j])
* {
* if (currentValue.Length == 0 && this.SplitOptions.HasFlag(StringSplitOption.CrossEmptyValue))
* {
* next = true;
* break;
* }
* currentKey.Remove(0, this.Splitters[j].Length);
* var value = "";
* if (quoted && !this.SplitOptions.HasFlag(StringSplitOption.AddToAll))
* {
* value = currentValue.ToString();
* }
* else
* {
* value = currentValue.ToString(0, currentValue.Length - (maxlen - 1));
* }
* if (this.SplitOptions.HasFlag(StringSplitOption.TrimPerElement))
* {
* value = value.Trim();
* }
* var handler = new StringSplitHandler(value, this.Splitters[j], splitted.Count);
* this.OnSplitEvent(handler);
* if (!handler.Cancel)
* {
* splitted.Add(handler.Text);
* }
* if (handler.Stop)
* {
* return splitted.ToArray();
* }
* next = true;
* currentValue.Clear();
* currentValue.Append(currentKey.ToString());
* quoted = false;
* if (this.Count > 0 && splitted.Count >= this.Count)
* {
* int minus = maxlen - 1;
*
* currentValue.Append(this.Text.SubstringEx(i + 1));
* string text = ((this.SplitOptions.HasFlag(StringSplitOption.TrimPerElement)) ? currentValue.ToString().Trim() : currentValue.ToString());
* handler = new StringSplitHandler(text, "", splitted.Count);
* if (!handler.Cancel)
* {
* splitted.Add(handler.Text);
* }
* return splitted.ToArray();
* }
* break;
* }
* }
* if (next) continue;
* }
* if ((!quoted || this.SplitOptions.HasFlag(StringSplitOption.AddToAll)))
* {
* currentValue.Append(current);
* }
*
* }
* if (specialchar)
* {
* specialchar = false;
* continue;
* }
* }
* if (!(this.Count > 0 && splitted.Count < this.Count) && currentValue.Length > 0)
* {
* string text = ((this.SplitOptions.HasFlag(StringSplitOption.TrimPerElement)) ? currentValue.ToString().Trim() : currentValue.ToString());
* var handler = new StringSplitHandler(text, "", splitted.Count);
* if (!handler.Cancel)
* {
* splitted.Add(handler.Text);
* }
* }
* return splitted.ToArray();
* }
*/
protected void OnSplitEvent(StringSplitHandler handler)
{
this.OnSplit?.Invoke(handler);
}
