mirror of
https://github.com/42wim/matterbridge.git
synced 2024-12-21 10:32:35 +01:00
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package gojay
|
|
|
|
const hex = "0123456789abcdef"
|
|
|
|
// grow grows b's capacity, if necessary, to guarantee space for
|
|
// another n bytes. After grow(n), at least n bytes can be written to b
|
|
// without another allocation. If n is negative, grow panics.
|
|
func (enc *Encoder) grow(n int) {
|
|
if cap(enc.buf)-len(enc.buf) < n {
|
|
Buf := make([]byte, len(enc.buf), 2*cap(enc.buf)+n)
|
|
copy(Buf, enc.buf)
|
|
enc.buf = Buf
|
|
}
|
|
}
|
|
|
|
// Write appends the contents of p to b's Buffer.
|
|
// Write always returns len(p), nil.
|
|
func (enc *Encoder) writeBytes(p []byte) {
|
|
enc.buf = append(enc.buf, p...)
|
|
}
|
|
|
|
func (enc *Encoder) writeTwoBytes(b1 byte, b2 byte) {
|
|
enc.buf = append(enc.buf, b1, b2)
|
|
}
|
|
|
|
// WriteByte appends the byte c to b's Buffer.
|
|
// The returned error is always nil.
|
|
func (enc *Encoder) writeByte(c byte) {
|
|
enc.buf = append(enc.buf, c)
|
|
}
|
|
|
|
// WriteString appends the contents of s to b's Buffer.
|
|
// It returns the length of s and a nil error.
|
|
func (enc *Encoder) writeString(s string) {
|
|
enc.buf = append(enc.buf, s...)
|
|
}
|
|
|
|
func (enc *Encoder) writeStringEscape(s string) {
|
|
l := len(s)
|
|
for i := 0; i < l; i++ {
|
|
c := s[i]
|
|
if c >= 0x20 && c != '\\' && c != '"' {
|
|
enc.writeByte(c)
|
|
continue
|
|
}
|
|
switch c {
|
|
case '\\', '"':
|
|
enc.writeTwoBytes('\\', c)
|
|
case '\n':
|
|
enc.writeTwoBytes('\\', 'n')
|
|
case '\f':
|
|
enc.writeTwoBytes('\\', 'f')
|
|
case '\b':
|
|
enc.writeTwoBytes('\\', 'b')
|
|
case '\r':
|
|
enc.writeTwoBytes('\\', 'r')
|
|
case '\t':
|
|
enc.writeTwoBytes('\\', 't')
|
|
default:
|
|
enc.writeString(`\u00`)
|
|
enc.writeTwoBytes(hex[c>>4], hex[c&0xF])
|
|
}
|
|
continue
|
|
}
|
|
}
|