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path: root/vendor/github.com/tdewolff/parse/v2/strconv/int.go
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Diffstat (limited to 'vendor/github.com/tdewolff/parse/v2/strconv/int.go')
-rw-r--r--vendor/github.com/tdewolff/parse/v2/strconv/int.go152
1 files changed, 0 insertions, 152 deletions
diff --git a/vendor/github.com/tdewolff/parse/v2/strconv/int.go b/vendor/github.com/tdewolff/parse/v2/strconv/int.go
deleted file mode 100644
index 1e9578eb5..000000000
--- a/vendor/github.com/tdewolff/parse/v2/strconv/int.go
+++ /dev/null
@@ -1,152 +0,0 @@
-package strconv
-
-import (
- "math"
-)
-
-// ParseInt parses a byte-slice and returns the integer it represents.
-// If an invalid character is encountered, it will stop there.
-func ParseInt(b []byte) (int64, int) {
- i := 0
- neg := false
- if len(b) > 0 && (b[0] == '+' || b[0] == '-') {
- neg = b[0] == '-'
- i++
- }
- start := i
- n := uint64(0)
- for i < len(b) {
- c := b[i]
- if '0' <= c && c <= '9' {
- if uint64(-math.MinInt64)/10 < n || uint64(-math.MinInt64)-uint64(c-'0') < n*10 {
- return 0, 0
- }
- n *= 10
- n += uint64(c - '0')
- } else {
- break
- }
- i++
- }
- if i == start {
- return 0, 0
- }
- if !neg && uint64(math.MaxInt64) < n {
- return 0, 0
- } else if neg {
- return -int64(n), i
- }
- return int64(n), i
-}
-
-// ParseUint parses a byte-slice and returns the integer it represents.
-// If an invalid character is encountered, it will stop there.
-func ParseUint(b []byte) (uint64, int) {
- i := 0
- n := uint64(0)
- for i < len(b) {
- c := b[i]
- if '0' <= c && c <= '9' {
- if math.MaxUint64/10 < n || math.MaxUint64-uint64(c-'0') < n*10 {
- return 0, 0
- }
- n *= 10
- n += uint64(c - '0')
- } else {
- break
- }
- i++
- }
- return n, i
-}
-
-// AppendInt will append an int64.
-func AppendInt(b []byte, num int64) []byte {
- if num == 0 {
- return append(b, '0')
- } else if num == -9223372036854775808 {
- return append(b, "-9223372036854775808"...)
- }
-
- // resize byte slice
- i, n := len(b), LenInt(num)
- if cap(b) < i+n {
- b = append(b, make([]byte, n)...)
- } else {
- b = b[:i+n]
- }
-
- // print sign
- if num < 0 {
- num = -num
- b[i] = '-'
- }
- i += n - 1
-
- // print number
- for num != 0 {
- b[i] = byte(num%10) + '0'
- num /= 10
- i--
- }
- return b
-}
-
-// LenInt returns the written length of an integer.
-func LenInt(i int64) int {
- if i < 0 {
- if i == -9223372036854775808 {
- return 20
- }
- return 1 + LenUint(uint64(-i))
- }
- return LenUint(uint64(i))
-}
-
-func LenUint(i uint64) int {
- switch {
- case i < 10:
- return 1
- case i < 100:
- return 2
- case i < 1000:
- return 3
- case i < 10000:
- return 4
- case i < 100000:
- return 5
- case i < 1000000:
- return 6
- case i < 10000000:
- return 7
- case i < 100000000:
- return 8
- case i < 1000000000:
- return 9
- case i < 10000000000:
- return 10
- case i < 100000000000:
- return 11
- case i < 1000000000000:
- return 12
- case i < 10000000000000:
- return 13
- case i < 100000000000000:
- return 14
- case i < 1000000000000000:
- return 15
- case i < 10000000000000000:
- return 16
- case i < 100000000000000000:
- return 17
- case i < 1000000000000000000:
- return 18
- case i < 10000000000000000000:
- return 19
- }
- return 20
-}
-
-var int64pow10 = []int64{
- 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000,
-}