diff options
Diffstat (limited to 'vendor/github.com/spf13/cast/basic.go')
| -rw-r--r-- | vendor/github.com/spf13/cast/basic.go | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/vendor/github.com/spf13/cast/basic.go b/vendor/github.com/spf13/cast/basic.go new file mode 100644 index 000000000..fa330e207 --- /dev/null +++ b/vendor/github.com/spf13/cast/basic.go @@ -0,0 +1,131 @@ +// Copyright © 2014 Steve Francia <spf@spf13.com>. +// +// Use of this source code is governed by an MIT-style +// license that can be found in the LICENSE file. + +package cast + +import ( + "encoding/json" + "fmt" + "html/template" + "strconv" + "time" +) + +// ToBoolE casts any value to a bool type. +func ToBoolE(i any) (bool, error) { + i, _ = indirect(i) + + switch b := i.(type) { + case bool: + return b, nil + case nil: + return false, nil + case int: + return b != 0, nil + case int8: + return b != 0, nil + case int16: + return b != 0, nil + case int32: + return b != 0, nil + case int64: + return b != 0, nil + case uint: + return b != 0, nil + case uint8: + return b != 0, nil + case uint16: + return b != 0, nil + case uint32: + return b != 0, nil + case uint64: + return b != 0, nil + case float32: + return b != 0, nil + case float64: + return b != 0, nil + case time.Duration: + return b != 0, nil + case string: + return strconv.ParseBool(b) + case json.Number: + v, err := ToInt64E(b) + if err == nil { + return v != 0, nil + } + + return false, fmt.Errorf(errorMsg, i, i, false) + default: + if i, ok := resolveAlias(i); ok { + return ToBoolE(i) + } + + return false, fmt.Errorf(errorMsg, i, i, false) + } +} + +// ToStringE casts any value to a string type. +func ToStringE(i any) (string, error) { + switch s := i.(type) { + case string: + return s, nil + case bool: + return strconv.FormatBool(s), nil + case float64: + return strconv.FormatFloat(s, 'f', -1, 64), nil + case float32: + return strconv.FormatFloat(float64(s), 'f', -1, 32), nil + case int: + return strconv.Itoa(s), nil + case int8: + return strconv.FormatInt(int64(s), 10), nil + case int16: + return strconv.FormatInt(int64(s), 10), nil + case int32: + return strconv.FormatInt(int64(s), 10), nil + case int64: + return strconv.FormatInt(s, 10), nil + case uint: + return strconv.FormatUint(uint64(s), 10), nil + case uint8: + return strconv.FormatUint(uint64(s), 10), nil + case uint16: + return strconv.FormatUint(uint64(s), 10), nil + case uint32: + return strconv.FormatUint(uint64(s), 10), nil + case uint64: + return strconv.FormatUint(s, 10), nil + case json.Number: + return s.String(), nil + case []byte: + return string(s), nil + case template.HTML: + return string(s), nil + case template.URL: + return string(s), nil + case template.JS: + return string(s), nil + case template.CSS: + return string(s), nil + case template.HTMLAttr: + return string(s), nil + case nil: + return "", nil + case fmt.Stringer: + return s.String(), nil + case error: + return s.Error(), nil + default: + if i, ok := indirect(i); ok { + return ToStringE(i) + } + + if i, ok := resolveAlias(i); ok { + return ToStringE(i) + } + + return "", fmt.Errorf(errorMsg, i, i, "") + } +} |
