mirror of https://github.com/goccy/go-json.git
52 lines
1013 B
Go
52 lines
1013 B
Go
package json
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import (
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"bytes"
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)
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func compact(dst *bytes.Buffer, src []byte, escape bool) error {
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length := len(src)
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for cursor := 0; cursor < length; cursor++ {
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c := src[cursor]
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switch c {
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case ' ', '\t', '\n', '\r':
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continue
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case '"':
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if err := dst.WriteByte(c); err != nil {
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return err
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}
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for {
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cursor++
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c := src[cursor]
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if escape && (c == '<' || c == '>' || c == '&') {
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if _, err := dst.WriteString(`\u00`); err != nil {
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return err
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}
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if _, err := dst.Write([]byte{hex[c>>4], hex[c&0xF]}); err != nil {
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return err
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}
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} else if err := dst.WriteByte(c); err != nil {
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return err
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}
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switch c {
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case '\\':
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cursor++
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if err := dst.WriteByte(src[cursor]); err != nil {
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return err
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}
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case '"':
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goto LOOP_END
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case nul:
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return errUnexpectedEndOfJSON("string", int64(length))
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}
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}
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default:
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if err := dst.WriteByte(c); err != nil {
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return err
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}
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}
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LOOP_END:
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}
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return nil
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}
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