func()

in writer.go [113:176]

• 53 lines of code
• 15 McCabe index (conditional complexity)

func (w *Writer) StringContents(s string) {
	// Portions of the string that contain no escapes are appended as byte slices.

	p := 0 // last non-escape symbol

	for i := 0; i < len(s); {

		if c := s[i]; c < utf8.RuneSelf {
			if htmlSafeSet[c] {
				i++
				continue
			}

			// single-with character, need to escape
			w.RawString(s[p:i])
			switch c {
			case '\\':
				w.RawString(`\\`)
			case '"':
				w.RawString(`\"`)
			case '\b':
				w.RawString(`\b`)
			case '\f':
				w.RawString(`\f`)
			case '\n':
				w.RawString(`\n`)
			case '\r':
				w.RawString(`\r`)
			case '\t':
				w.RawString(`\t`)
			default:
				w.RawString(`\u00`)
				w.RawByte(chars[c>>4])
				w.RawByte(chars[c&0xf])
			}

			i++
			p = i
			continue
		}

		// broken utf
		runeValue, runeWidth := utf8.DecodeRuneInString(s[i:])
		if runeValue == utf8.RuneError && runeWidth == 1 {
			w.RawString(s[p:i])
			w.RawString(`\ufffd`)
			i++
			p = i
			continue
		}

		// jsonp stuff - tab separator and line separator
		if runeValue == '\u2028' || runeValue == '\u2029' {
			w.RawString(s[p:i])
			w.RawString(`\u202`)
			w.RawByte(chars[runeValue&0xf])
			i += runeWidth
			p = i
			continue
		}
		i += runeWidth
	}
	w.RawString(s[p:])
}