forked from golang/hotime
59 lines
2.0 KiB
Markdown
59 lines
2.0 KiB
Markdown
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# EFP (Excel Formula Parser)
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[](https://github.com/xuri/efp/actions?workflow=Go)
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[](https://codecov.io/gh/xuri/efp)
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[](https://goreportcard.com/report/github.com/xuri/efp)
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[](https://pkg.go.dev/github.com/xuri/efp)
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[](https://opensource.org/licenses/BSD-3-Clause)
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[](https://app.fossa.io/projects/git%2Bgithub.com%2Fxuri%2Fefp?ref=badge_shield)
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Using EFP (Excel Formula Parser) you can get an Abstract Syntax Tree (AST) from Excel formula.
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## Installation
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```bash
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go get github.com/xuri/efp
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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/efp"
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func main() {
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ps := efp.ExcelParser()
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ps.Parse("=SUM(A3+B9*2)/2")
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println(ps.PrettyPrint())
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}
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```
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Get AST
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```text
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SUM <Function> <Start>
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A3 <Operand> <Range>
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+ <OperatorInfix> <Math>
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B9 <Operand> <Range>
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* <OperatorInfix> <Math>
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2 <Operand> <Number>
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<Function> <Stop>
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/ <OperatorInfix> <Math>
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2 <Operand> <Number>
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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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## Credits
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EFP (Excel Formula Parser) is a Golang port of [E. W. Bachtal's](https://ewbi.blogs.com/develops/2004/12/excel_formula_p.html) Excel formula parser.
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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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[](https://app.fossa.io/projects/git%2Bgithub.com%2Fxuri%2Fefp?ref=badge_large)
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