101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
// Copyright © 2018 ehlxr <ehlxr.me@gmail.com>
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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
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// all 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
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// THE SOFTWARE.
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package converter
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import (
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"math"
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"strconv"
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"strings"
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"github.com/ehlxr/hex-convert/metadata"
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)
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func ToDecimal(scale int, data string) (int, error) {
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var new_num float64
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new_num = 0.0
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nNum := len(strings.Split(data, "")) - 1
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for _, value := range strings.Split(data, "") {
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tmp := float64(findkey(value))
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if tmp != -1 {
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new_num = new_num + tmp*math.Pow(float64(scale), float64(nNum))
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nNum = nNum - 1
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} else {
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break
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}
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}
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return int(new_num), nil
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}
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func ToBinary(scale int, data string) (string, error) {
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result, err := ToDecimal(scale, data)
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if err != nil {
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return "", err
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}
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return fromDecimal(2, result)
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}
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func ToHex(scale int, data string) (string, error) {
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result, err := ToDecimal(scale, data)
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if err != nil {
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return "", err
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}
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return fromDecimal(16, result)
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}
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func ToOctal(scale int, data string) (string, error) {
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result, err := ToDecimal(scale, data)
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if err != nil {
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return "", err
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}
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return fromDecimal(8, result)
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}
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func findkey(in string) int {
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result := -1
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for k, v := range metadata.TEN_TO_ANY {
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if in == v {
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result = k
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}
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}
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return result
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}
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func fromDecimal(scale, data int) (string, error) {
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new_num_str := ""
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var remainder int
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var remainder_string string
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for data != 0 {
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remainder = data % scale
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if 76 > remainder && remainder > 9 {
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remainder_string = metadata.TEN_TO_ANY[remainder]
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} else {
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remainder_string = strconv.Itoa(remainder)
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}
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new_num_str = remainder_string + new_num_str
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data = data / scale
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}
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return new_num_str, nil
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}
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