134 lines
2.9 KiB
Go
134 lines
2.9 KiB
Go
// Package slicer contains utility classes for handling slices
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package slicer
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// Imports
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import "sort"
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import "fmt"
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import "strings"
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// UintSlicer handles slices of uint
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type UintSlicer struct {
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slice []uint
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}
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// Uint creates a new UintSlicer
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func Uint(slice ...[]uint) *UintSlicer {
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if len(slice) > 0 {
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return &UintSlicer{slice: slice[0]}
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}
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return &UintSlicer{}
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}
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// Add a uint value to the slicer
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func (s *UintSlicer) Add(value uint, additional ...uint) {
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s.slice = append(s.slice, value)
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s.slice = append(s.slice, additional...)
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}
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// AddUnique adds a uint value to the slicer if it does not already exist
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func (s *UintSlicer) AddUnique(value uint, additional ...uint) {
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if !s.Contains(value) {
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s.slice = append(s.slice, value)
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}
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// Add additional values
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for _, value := range additional {
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if !s.Contains(value) {
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s.slice = append(s.slice, value)
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}
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}
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}
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// AddSlice adds a uint slice to the slicer
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func (s *UintSlicer) AddSlice(value []uint) {
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s.slice = append(s.slice, value...)
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}
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// AsSlice returns the slice
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func (s *UintSlicer) AsSlice() []uint {
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return s.slice
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}
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// AddSlicer appends a UintSlicer to the slicer
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func (s *UintSlicer) AddSlicer(value *UintSlicer) {
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s.slice = append(s.slice, value.AsSlice()...)
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}
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// Filter the slice based on the given function
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func (s *UintSlicer) Filter(fn func(uint) bool) *UintSlicer {
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result := &UintSlicer{}
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for _, elem := range s.slice {
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if fn(elem) {
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result.Add(elem)
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}
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}
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return result
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}
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// Each runs a function on every element of the slice
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func (s *UintSlicer) Each(fn func(uint)) {
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for _, elem := range s.slice {
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fn(elem)
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}
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}
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// Contains indicates if the given value is in the slice
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func (s *UintSlicer) Contains(matcher uint) bool {
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result := false
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for _, elem := range s.slice {
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if elem == matcher {
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result = true
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}
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}
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return result
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}
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// Length returns the number of elements in the slice
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func (s *UintSlicer) Length() int {
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return len(s.slice)
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}
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// Clear all elements in the slice
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func (s *UintSlicer) Clear() {
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s.slice = []uint{}
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}
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// Deduplicate removes duplicate values from the slice
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func (s *UintSlicer) Deduplicate() {
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result := &UintSlicer{}
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for _, elem := range s.slice {
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if !result.Contains(elem) {
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result.Add(elem)
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}
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}
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s.slice = result.AsSlice()
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}
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// Join returns a string with the slicer elements separated by the given separator
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func (s *UintSlicer) Join(separator string) string {
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var builder strings.Builder
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// Shortcut no elements
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if len(s.slice) == 0 {
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return ""
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}
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// Iterate over length - 1
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index := 0
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for index = 0; index < len(s.slice)-1; index++ {
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builder.WriteString(fmt.Sprintf("%v%s", s.slice[index], separator))
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}
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builder.WriteString(fmt.Sprintf("%v", s.slice[index]))
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result := builder.String()
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return result
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}
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// Sort the slice values
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func (s *UintSlicer) Sort() {
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sort.Slice(s.slice, func(i, j int) bool { return s.slice[i] < s.slice[j] })
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}
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