149 lines
5.0 KiB
Go
149 lines
5.0 KiB
Go
package field
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import (
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"fmt"
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"strings"
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)
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type Part interface {
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IsSolved() bool
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ForEachCell(fn func(cell *Cell))
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GetMissingNumbers() []int
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RemoveNote(field *Field, note int, trigger string, marks []Mark)
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String() string
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}
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// ────────────────────────────────────────────────────────────────────────────── //
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// LINE STRUCTURE //
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// ────────────────────────────────────────────────────────────────────────────── //
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type Line struct {
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cells []*Cell
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}
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func (l *Line) IsSolved() bool {
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//TODO
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return false
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}
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func (l *Line) ForEachCell(fn func(cell *Cell)) {
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for _, cell := range l.cells {
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fn(cell)
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}
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}
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func (l *Line) GetMissingNumbers() []int {
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return getMissingNumbersHelper(len(l.cells), l.ForEachCell)
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}
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func (l *Line) RemoveNote(field *Field, note int, trigger string, marks []Mark) {
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l.ForEachCell(func(cell *Cell) {
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cell.Notes.Remove(field, cell, note, trigger, marks)
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})
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}
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func (l *Line) String() string {
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return lineString(l, "Line")
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}
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// ────────────────────────────────────────────────────────────────────────────── //
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// ROW STRUCTURE //
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// ────────────────────────────────────────────────────────────────────────────── //
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type Row struct {
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Line
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}
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func (r *Row) String() string {
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return lineString(r, "Row")
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}
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// ────────────────────────────────────────────────────────────────────────────── //
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// COLUMN STRUCTURE //
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// ────────────────────────────────────────────────────────────────────────────── //
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type Column struct {
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Line
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}
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func (c *Column) String() string {
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return lineString(c, "Column")
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}
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// ────────────────────────────────────────────────────────────────────────────── //
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// BLOCK STRUCTURE //
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// ────────────────────────────────────────────────────────────────────────────── //
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type Block struct {
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cells [][]*Cell
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}
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func (b *Block) IsSolved() bool {
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//TODO
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return false
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}
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func (b *Block) ForEachCell(fn func(cell *Cell)) {
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for _, row := range b.cells {
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for _, cell := range row {
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fn(cell)
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}
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}
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}
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func (b *Block) GetMissingNumbers() []int {
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max := len(b.cells) * len(b.cells[0])
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return getMissingNumbersHelper(max, b.ForEachCell)
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}
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func (b *Block) RemoveNote(field *Field, note int, trigger string, marks []Mark) {
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b.ForEachCell(func(cell *Cell) {
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cell.Notes.Remove(field, cell, note, trigger, marks)
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})
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}
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func (b *Block) String() string {
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var str strings.Builder
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str.WriteString("Block:\t")
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lastLine := 0
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b.ForEachCell(func(cell *Cell) {
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fmt.Fprintf(&str, "%d ", cell.number)
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if lastLine == cell.Pos.inBlockRow {
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}
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})
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return str.String()
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}
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// ────────────────────────────────────────────────────────────────────────────── //
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// HELPER //
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// ────────────────────────────────────────────────────────────────────────────── //
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func lineString(part Part, name string) string {
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var str strings.Builder
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fmt.Fprintf(&str, "%s:\t", name)
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part.ForEachCell(func(cell *Cell) {
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fmt.Fprintf(&str, "%d ", cell.number)
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})
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return str.String()
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}
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func getMissingNumbersHelper(max int, iterate func(fn func(cell *Cell))) []int {
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present := make(map[int]bool, max)
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iterate(func(cell *Cell) {
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if cell.number != 0 {
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present[cell.number] = true
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}
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})
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var missing []int
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for i := 1; i <= max; i++ {
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if !present[i] {
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missing = append(missing, i)
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}
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}
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return missing
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}
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