29f594a81c
The error handling is nonexistent and there's no easy way to get data out. But we can parse a SSH config file into a Go struct, and roundtrip that struct back to a file that looks (roughly) the same.
49 lines
834 B
Go
49 lines
834 B
Go
package ssh_config
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import "fmt"
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type token struct {
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Position
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typ tokenType
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val string
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}
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func (t token) String() string {
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switch t.typ {
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case tokenEOF:
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return "EOF"
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}
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return fmt.Sprintf("%q", t.val)
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}
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type tokenType int
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const (
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eof = -(iota + 1)
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)
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const (
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tokenError tokenType = iota
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tokenEOF
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tokenEmptyLine
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tokenComment
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tokenKey
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tokenString
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)
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func isSpace(r rune) bool {
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return r == ' ' || r == '\t'
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}
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func isKeyStartChar(r rune) bool {
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return !(isSpace(r) || r == '\r' || r == '\n' || r == eof)
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}
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// I'm not sure that this is correct
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func isKeyChar(r rune) bool {
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// Keys start with the first character that isn't whitespace or [ and end
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// with the last non-whitespace character before the equals sign. Keys
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// cannot contain a # character."
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return !(r == '\r' || r == '\n' || r == eof || r == '=')
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}
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