46 lines
671 B
Go
46 lines
671 B
Go
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package treerack
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import (
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"bytes"
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"io"
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"os"
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)
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func openSyntaxReader(r io.Reader) (*Syntax, error) {
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b, err := bootSyntax()
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if err != nil {
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return nil, err
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}
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doc, err := b.Parse(r)
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if err != nil {
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return nil, err
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}
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s := NewSyntax()
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if err := define(s, doc); err != nil {
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return nil, err
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}
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if err := s.Init(); err != nil {
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return nil, err
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}
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return s, nil
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}
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func openSyntaxFile(file string) (*Syntax, error) {
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f, err := os.Open(file)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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return openSyntaxReader(f)
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}
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func openSyntaxString(syntax string) (*Syntax, error) {
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b := bytes.NewBufferString(syntax)
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return openSyntaxReader(b)
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}
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