50 lines
831 B
Go
50 lines
831 B
Go
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package htmlescape
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import (
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"unicode/utf8"
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)
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func AppendBytes(p []byte, bytes []byte) ([]byte, error) {
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for 0 < len(bytes) {
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r, size := utf8.DecodeRune(bytes)
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if utf8.RuneError == r && 1 == size {
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return p, errNotUTF8
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}
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if size <= 0 {
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return p, errInternalError
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}
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bytes = bytes[size:]
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p = AppendRune(p, r)
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}
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return p, nil
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}
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func AppendRune(p []byte, r rune) []byte {
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escapedRune, wasEscaped := safeRune(r)
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if wasEscaped {
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return append(p, escapedRune...)
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}
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return append(p, string(r)...)
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}
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func AppendString(p []byte, str string) ([]byte, error) {
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for 0 < len(str) {
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r, size := utf8.DecodeRuneInString(str)
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if utf8.RuneError == r && 1 == size {
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return p, errNotUTF8
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}
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if size <= 0 {
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return p, errInternalError
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}
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str = str[size:]
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p = AppendRune(p, r)
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}
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return p, nil
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}
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