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54 lines
996 B
Go
54 lines
996 B
Go
package twin
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import (
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"fmt"
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"unicode"
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)
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// Cell is a rune with a style to be written to a cell on screen
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type Cell struct {
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Rune rune
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Style Style
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}
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func NewCell(rune rune, style Style) Cell {
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return Cell{
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Rune: rune,
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Style: style,
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}
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}
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func (cell Cell) String() string {
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return fmt.Sprint("rune='", string(cell.Rune), "' ", cell.Style)
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}
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// Returns a slice of cells with trailing whitespace cells removed
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func TrimSpaceRight(cells []Cell) []Cell {
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for i := len(cells) - 1; i >= 0; i-- {
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cell := cells[i]
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if !unicode.IsSpace(cell.Rune) {
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return cells[0 : i+1]
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}
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// That was a space, keep looking
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}
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// All whitespace, return empty
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return []Cell{}
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}
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// Returns a slice of cells with leading whitespace cells removed
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func TrimSpaceLeft(cells []Cell) []Cell {
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for i := 0; i < len(cells); i++ {
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cell := cells[i]
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if !unicode.IsSpace(cell.Rune) {
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return cells[i:]
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}
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// That was a space, keep looking
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}
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// All whitespace, return empty
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return []Cell{}
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}
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