53 lines
1002 B
Go
53 lines
1002 B
Go
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package uci
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import (
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"os"
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"github.com/alecthomas/participle/v2"
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"github.com/alecthomas/participle/v2/lexer"
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"github.com/pkg/errors"
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)
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var (
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uciLexer = lexer.MustSimple([]lexer.SimpleRule{
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{Name: `Ident`, Pattern: `[a-zA-Z][a-zA-Z\d_\-]*`},
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{Name: `String`, Pattern: `'([^'])*'`},
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{Name: "whitespace", Pattern: `\s+`},
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})
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parser = participle.MustBuild[UCI](
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participle.Lexer(uciLexer),
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participle.Unquote("String"),
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)
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)
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type Parser struct{}
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func ParseFile(filename string) (*UCI, error) {
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file, err := os.Open(filename)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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defer func() {
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if err := file.Close(); err != nil {
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panic(errors.WithStack(err))
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}
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}()
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uci, err := parser.Parse(filename, file, participle.Trace(os.Stdout))
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if err != nil {
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return nil, errors.WithStack(err)
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}
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return uci, nil
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}
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func Parse(data []byte) (*UCI, error) {
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uci, err := parser.ParseBytes("", data)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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return uci, nil
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}
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