forked from golang/hotime
67 lines
1.8 KiB
Markdown
67 lines
1.8 KiB
Markdown
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# NFP (Number Format Parser)
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[](https://github.com/xuri/nfp/actions?workflow=Go)
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[](https://codecov.io/gh/xuri/nfp)
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[](https://goreportcard.com/report/github.com/xuri/nfp)
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[](https://pkg.go.dev/github.com/xuri/nfp)
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[](https://opensource.org/licenses/BSD-3-Clause)
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Using NFP (Number Format Parser) you can get an Abstract Syntax Tree (AST) from Excel number format expression.
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## Installation
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```bash
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go get github.com/xuri/nfp
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```
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## Example
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```go
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package main
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import "github.com/xuri/nfp"
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func main() {
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ps := nfp.NumberFormatParser()
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tokens := ps.Parse("_(* #,##0.00_);_(* (#,##0.00);_(* \"-\"??_);_(@_)")
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println(p.PrettyPrint())
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}
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```
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Get AST
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```text
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<Positive>
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<RepeatsChar>
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# <HashPlaceHolder>
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<ThousandsSeparator>
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## <HashPlaceHolder>
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0 <ZeroPlaceHolder>
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. <DecimalPoint>
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00 <ZeroPlaceHolder>
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<Negative>
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<RepeatsChar>
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( <Literal>
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# <HashPlaceHolder>
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, <ThousandsSeparator>
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## <HashPlaceHolder>
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0 <ZeroPlaceHolder>
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. <DecimalPoint>
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00 <ZeroPlaceHolder>
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) <Literal>
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<Zero>
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<RepeatsChar>
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- <Literal>
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?? <DigitalPlaceHolder>
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<Text>
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@ <TextPlaceHolder>
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```
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## Contributing
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Contributions are welcome! Open a pull request to fix a bug, or open an issue to discuss a new feature or change.
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## Licenses
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This program is under the terms of the BSD 3-Clause License. See [https://opensource.org/licenses/BSD-3-Clause](https://opensource.org/licenses/BSD-3-Clause).
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