func check_url(substr, str string) bool {
var dst []byte
substr_bytes := strconv.AppendQuoteToASCII(dst, substr)
str_bytes := strconv.AppendQuoteToASCII(dst, str)
index := suffixarray.New(str_bytes)
offsets := index.Lookup(substr_bytes, -1)
if offsets == nil {
return false
}
return offsets[0] == 0
}
// Converts a big.Int into a slice of bytes.
func bigIntToSliceOfBytes(bigInt *big.Int) []byte {
// Go1.6 introduced the method bigInt.Append() which makes this conversion
// a lot easier.
// TODO(erez): Use bigInt.Append() once we switch to GO-1.6.
result := strconv.AppendQuoteToASCII([]byte{}, bigInt.String())
// AppendQuoteToASCII adds a double-quoted string. We need to remove them.
return result[1 : len(result)-1]
}
func ExampleAppendQuoteToASCII() {
b := []byte("quote (ascii):")
b = strconv.AppendQuoteToASCII(b, `"Fran & Freddie's Diner"`)
fmt.Println(string(b))
// Output:
// quote (ascii):"\"Fran & Freddie's Diner\""
}
func marshalJSON(results []*metricData) []byte {
var b []byte
b = append(b, '[')
var topComma bool
for _, r := range results {
if r == nil {
continue
}
if topComma {
b = append(b, ',')
}
topComma = true
b = append(b, `{"target":`...)
b = strconv.AppendQuoteToASCII(b, r.GetName())
b = append(b, `,"datapoints":[`...)
var innerComma bool
t := r.GetStartTime()
for i, v := range r.Values {
if innerComma {
b = append(b, ',')
}
innerComma = true
b = append(b, '[')
if r.IsAbsent[i] || math.IsInf(v, 0) {
b = append(b, "null"...)
} else {
b = strconv.AppendFloat(b, v, 'f', -1, 64)
}
b = append(b, ',')
b = strconv.AppendInt(b, int64(t), 10)
b = append(b, ']')
t += r.GetStepTime()
}
b = append(b, `]}`...)
}
b = append(b, ']')
return b
}
// fmt_q formats a string as a double-quoted, escaped Go string constant.
// If f.sharp is set a raw (backquoted) string may be returned instead
// if the string does not contain any control characters other than tab.
func (f *fmt) fmt_q(s string) {
s = f.truncate(s)
if f.sharp && strconv.CanBackquote(s) {
f.padString("`" + s + "`")
return
}
buf := f.intbuf[:0]
if f.plus {
f.pad(strconv.AppendQuoteToASCII(buf, s))
} else {
f.pad(strconv.AppendQuote(buf, s))
}
}
func main() {
b := []byte("quote (ascii):")
b = strconv.AppendQuoteToASCII(b, `"Fran & Freddie's Diner"`)
fmt.Println(string(b))
}
