104 lines
1.7 KiB
Go
104 lines
1.7 KiB
Go
package binding
|
|
|
|
import (
|
|
"strconv"
|
|
"strings"
|
|
|
|
"fyne.io/fyne/v2"
|
|
"fyne.io/fyne/v2/storage"
|
|
)
|
|
|
|
func stripFormatPrecision(in string) string {
|
|
// quick exit if certainly not float
|
|
if !strings.ContainsAny(in, "f") {
|
|
return in
|
|
}
|
|
|
|
start := -1
|
|
end := -1
|
|
runes := []rune(in)
|
|
for i, r := range runes {
|
|
switch r {
|
|
case '%':
|
|
if i > 0 && start == i-1 { // ignore %%
|
|
start = -1
|
|
} else {
|
|
start = i
|
|
}
|
|
case 'f':
|
|
if start == -1 { // not part of format
|
|
continue
|
|
}
|
|
end = i
|
|
}
|
|
|
|
if end > -1 {
|
|
break
|
|
}
|
|
}
|
|
if end == start+1 { // no width/precision
|
|
return in
|
|
}
|
|
|
|
sizeRunes := runes[start+1 : end]
|
|
width, err := parseFloat(string(sizeRunes))
|
|
if err != nil {
|
|
return string(runes[:start+1]) + string(runes[:end])
|
|
}
|
|
|
|
if sizeRunes[0] == '.' { // formats like %.2f
|
|
return string(runes[:start+1]) + string(runes[end:])
|
|
}
|
|
return string(runes[:start+1]) + strconv.Itoa(int(width)) + string(runes[end:])
|
|
}
|
|
|
|
func uriFromString(in string) (fyne.URI, error) {
|
|
return storage.ParseURI(in)
|
|
}
|
|
|
|
func uriToString(in fyne.URI) (string, error) {
|
|
if in == nil {
|
|
return "", nil
|
|
}
|
|
|
|
return in.String(), nil
|
|
}
|
|
|
|
func parseBool(in string) (bool, error) {
|
|
out, err := strconv.ParseBool(in)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
return out, nil
|
|
}
|
|
|
|
func parseFloat(in string) (float64, error) {
|
|
out, err := strconv.ParseFloat(in, 64)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return out, nil
|
|
}
|
|
|
|
func parseInt(in string) (int, error) {
|
|
out, err := strconv.ParseInt(in, 0, 64)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return int(out), nil
|
|
}
|
|
|
|
func formatBool(in bool) string {
|
|
return strconv.FormatBool(in)
|
|
}
|
|
|
|
func formatFloat(in float64) string {
|
|
return strconv.FormatFloat(in, 'f', 6, 64)
|
|
}
|
|
|
|
func formatInt(in int) string {
|
|
return strconv.FormatInt(int64(in), 10)
|
|
}
|