mirror of
https://github.com/nabbar/golib.git
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f26e707ce9
- Fix constructor from int64 / float64 to prevent negative value - Fix false positive gosec in format
98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
/***********************************************************************************************************************
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*
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* MIT License
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*
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* Copyright (c) 2022 Nicolas JUHEL
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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**********************************************************************************************************************/
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package bytes
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import "math"
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type Size uint64
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const (
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SizeNul Size = 0
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SizeUnit Size = 1
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SizeKilo Size = 1 << 10
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SizeMega Size = 1 << 20
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SizeGiga Size = 1 << 30
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SizeTera Size = 1 << 40
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SizePeta Size = 1 << 50
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SizeExa Size = 1 << 60
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)
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var defUnit = 'B'
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func SetDefaultUnit(unit rune) {
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if unit == 0 {
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defUnit = 'B'
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} else if s := string(unit); len(s) < 1 {
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defUnit = 'B'
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} else {
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defUnit = unit
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}
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}
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func GetSize(s string) (sizeBytes Size, success bool) {
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if z, e := parseString(s); e != nil {
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return SizeNul, false
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} else {
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return z, true
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}
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}
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func SizeFromInt64(val int64) Size {
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if val < 0 {
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return Size(uint64(-val))
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} else {
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return Size(uint64(val))
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}
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}
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func SizeFromFloat64(val float64) Size {
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val = math.Floor(val)
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if val > math.MaxUint64 {
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return Size(uint64(math.MaxUint64))
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} else if -val > math.MaxUint64 {
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return Size(uint64(math.MaxUint64))
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} else if val > 0 {
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return Size(uint64(val))
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} else {
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return Size(uint64(-val))
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}
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}
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func Parse(s string) (Size, error) {
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return parseString(s)
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}
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func ParseSize(s string) (Size, error) {
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return parseString(s)
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}
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func ParseByteAsSize(p []byte) (Size, error) {
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return parseBytes(p)
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}
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