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https://github.com/gohugoio/hugo.git
synced 2024-11-21 20:46:30 -05:00
Use cast.ToIntE for int conversions in substr and slicestr
It is less restrictive, and it is what is used in other template funcs.
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5b51b3b9fb
commit
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2 changed files with 13 additions and 31 deletions
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@ -128,24 +128,6 @@ func compareGetFloat(a interface{}, b interface{}) (float64, float64) {
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return left, right
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}
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// Taken out from Substr, to be used by Slicestr too.
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func toInt(v interface{}, message string) (int, error) {
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switch i := v.(type) {
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case int:
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return i, nil
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case int8:
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return int(i), nil
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case int16:
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return int(i), nil
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case int32:
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return int(i), nil
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case int64:
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return int(i), nil
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default:
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return 0, errors.New(message)
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}
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}
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// Slicing in Slicestr is done by specifying a half-open range with
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// two indices, start and end. 1 and 4 creates a slice including elements 1 through 3.
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// The end index can be omitted, it defaults to the string's length.
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@ -160,13 +142,13 @@ func Slicestr(a interface{}, startEnd ...interface{}) (string, error) {
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argNum := len(startEnd)
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if argNum > 0 {
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if argStart, err = toInt(startEnd[0], "start argument must be integer"); err != nil {
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return "", err
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if argStart, err = cast.ToIntE(startEnd[0]); err != nil {
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return "", errors.New("start argument must be integer")
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}
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}
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if argNum > 1 {
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if argEnd, err = toInt(startEnd[1], "end argument must be integer"); err != nil {
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return "", err
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if argEnd, err = cast.ToIntE(startEnd[1]); err != nil {
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return "", errors.New("end argument must be integer")
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}
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}
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@ -219,16 +201,16 @@ func Substr(a interface{}, nums ...interface{}) (string, error) {
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case 0:
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return "", errors.New("too less arguments")
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case 1:
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if start, err = toInt(nums[0], "start argument must be integer"); err != nil {
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return "", err
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if start, err = cast.ToIntE(nums[0]); err != nil {
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return "", errors.New("start argument must be integer")
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}
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length = len(asRunes)
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case 2:
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if start, err = toInt(nums[0], "start argument must be integer"); err != nil {
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return "", err
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if start, err = cast.ToIntE(nums[0]); err != nil {
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return "", errors.New("start argument must be integer")
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}
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if length, err = toInt(nums[1], "length argument must be integer"); err != nil {
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return "", err
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if length, err = cast.ToIntE(nums[1]); err != nil {
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return "", errors.New("length argument must be integer")
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}
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default:
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return "", errors.New("too many arguments")
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@ -437,9 +437,9 @@ func TestSubstr(t *testing.T) {
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{123, 1, 3, "23"},
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{1.2e3, 0, 4, "1200"},
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{tstNoStringer{}, 0, 1, false},
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{"abcdef", 2.0, nil, false},
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{"abcdef", 2.0, 2, false},
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{"abcdef", 2, 2.0, false},
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{"abcdef", 2.0, nil, "cdef"},
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{"abcdef", 2.0, 2, "cd"},
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{"abcdef", 2, 2.0, "cd"},
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{"ĀĀĀ", 1, 2, "ĀĀ"}, // # issue 1333
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} {
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var result string
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