154 lines
2.8 KiB
Go
154 lines
2.8 KiB
Go
package array2
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type Array2 struct {
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sizes []int
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ysize int
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xsize int
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data [][]interface{}
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cap int
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}
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func New() *Array2 {
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return NewWithCap(8, 8)
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}
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func NewWithCap(ysize, xsize int) *Array2 {
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arr := &Array2{ysize: ysize, xsize: xsize}
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arr.sizes = make([]int, arr.ysize, arr.ysize)
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arr.data = make([][]interface{}, arr.ysize, arr.ysize)
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arr.cap = arr.ysize * arr.xsize
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return arr
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}
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func (arr *Array2) debugValues() []interface{} {
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var result []interface{}
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for _, y := range arr.data {
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if y != nil {
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for _, v := range y {
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if v == nil {
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result = append(result, struct{}{})
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} else {
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result = append(result, v)
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}
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}
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} else {
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for i := 0; i < arr.xsize; i++ {
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result = append(result, nil)
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}
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}
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}
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return result
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}
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func (arr *Array2) Values() []interface{} {
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var result []interface{}
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for _, y := range arr.data {
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if y != nil {
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for _, v := range y {
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if v == nil {
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result = append(result, nil)
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} else {
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result = append(result, v)
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}
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}
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} else {
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for i := 0; i < arr.xsize; i++ {
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result = append(result, nil)
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}
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}
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}
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return result
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}
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func (arr *Array2) Cap() int {
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return arr.cap
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}
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func (arr *Array2) Grow(size int) {
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arr.ysize += size
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temp := make([][]interface{}, arr.ysize, arr.ysize)
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copy(temp, arr.data)
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arr.data = temp
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tempsizes := make([]int, arr.ysize, arr.ysize)
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copy(tempsizes, arr.sizes)
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arr.sizes = tempsizes
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arr.cap = arr.ysize * arr.xsize
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}
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func (arr *Array2) Set(idx int, value interface{}) {
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yindex := idx / arr.xsize
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xindex := idx % arr.xsize
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xdata := arr.data[yindex]
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if xdata == nil {
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xdata = make([]interface{}, arr.xsize, arr.xsize)
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arr.data[yindex] = xdata
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}
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if xdata[xindex] == nil {
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arr.sizes[yindex]++
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}
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xdata[xindex] = value
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}
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func (arr *Array2) Get(idx int) (interface{}, bool) {
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yindex := idx / arr.xsize
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xindex := idx % arr.xsize
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xdata := arr.data[yindex]
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if xdata == nil {
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return nil, false
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}
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v := xdata[xindex]
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return v, v != nil
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}
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func (arr *Array2) GetOrSet(idx int, DoSetValue func([]interface{}, int)) (result interface{}, isSet bool) {
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yindex := idx / arr.xsize
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xindex := idx % arr.xsize
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xdata := arr.data[yindex]
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if xdata == nil {
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xdata = make([]interface{}, arr.xsize, arr.xsize)
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arr.data[yindex] = xdata
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}
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result = xdata[xindex]
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if result == nil {
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DoSetValue(xdata, xindex)
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result = xdata[xindex]
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if result == nil {
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panic("DoSetValue Not Set <nil> Value")
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}
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arr.sizes[yindex]++
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return result, true
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}
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return result, false
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}
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func (arr *Array2) Del(idx int) (interface{}, bool) {
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yindex := idx / arr.xsize
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xindex := idx % arr.xsize
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xdata := arr.data[yindex]
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if xdata == nil {
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return nil, false
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}
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v := xdata[xindex]
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xdata[xindex] = nil
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isnil := v != nil
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if isnil {
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arr.sizes[yindex]--
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if arr.sizes[yindex] == 0 {
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arr.data[yindex] = nil
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}
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}
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return v, isnil
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}
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