46 lines
907 B
Go
46 lines
907 B
Go
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package formatter
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import (
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"fmt"
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"math"
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)
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// FormatSize converts bytes to human-readable format
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func FormatSize(bytes int64) string {
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if bytes == 0 {
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return "0 B"
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}
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const unit = 1024
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units := []string{"B", "KB", "MB", "GB", "TB", "PB"}
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exp := int(math.Log(float64(bytes)) / math.Log(float64(unit)))
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if exp > len(units)-1 {
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exp = len(units) - 1
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}
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value := float64(bytes) / math.Pow(float64(unit), float64(exp))
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return fmt.Sprintf("%.2f %s", value, units[exp])
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}
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// CenterText centers text within a given width
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func CenterText(text string, width int) string {
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if len(text) >= width {
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return text[:width]
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}
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padding := width - len(text)
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left := padding / 2
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right := padding - left
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return fmt.Sprintf("%s%s%s", repeat(" ", left), text, repeat(" ", right))
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}
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func repeat(s string, count int) string {
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result := ""
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for i := 0; i < count; i++ {
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result += s
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}
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return result
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}
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