32 lines
715 B
Text
32 lines
715 B
Text
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func String.Tokenize(separator, escape) {
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var buffer = []
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var escaping = false
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for c in this {
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if escaping {
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buffer.Add(c)
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escaping = false
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} else if c == escape {
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escaping = true
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} else if c == separator {
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yield buffer.Flush();
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} else {
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buffer.Add(c);
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}
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}
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if buffer.Length() > 0 || this[this.Length() - 1] == separator {
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yield buffer.Flush()
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}
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}
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func Array.Flush() {
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var str = String.Concat(values: this)
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this.Clear()
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str
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}
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let testcase = "one^|uno||three^^^^|four^^^|^cuatro|";
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for token in testcase.Tokenize(separator: '|', escape: '^') {
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print(": \(token)")
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}
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