diff options
Diffstat (limited to 'vendor/github.com/spf13/cast/alias.go')
| -rw-r--r-- | vendor/github.com/spf13/cast/alias.go | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/vendor/github.com/spf13/cast/alias.go b/vendor/github.com/spf13/cast/alias.go new file mode 100644 index 000000000..855d60005 --- /dev/null +++ b/vendor/github.com/spf13/cast/alias.go @@ -0,0 +1,69 @@ +// 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 ( + "reflect" + "slices" +) + +var kindNames = []string{ + reflect.String: "string", + reflect.Bool: "bool", + reflect.Int: "int", + reflect.Int8: "int8", + reflect.Int16: "int16", + reflect.Int32: "int32", + reflect.Int64: "int64", + reflect.Uint: "uint", + reflect.Uint8: "uint8", + reflect.Uint16: "uint16", + reflect.Uint32: "uint32", + reflect.Uint64: "uint64", + reflect.Float32: "float32", + reflect.Float64: "float64", +} + +var kinds = map[reflect.Kind]func(reflect.Value) any{ + reflect.String: func(v reflect.Value) any { return v.String() }, + reflect.Bool: func(v reflect.Value) any { return v.Bool() }, + reflect.Int: func(v reflect.Value) any { return int(v.Int()) }, + reflect.Int8: func(v reflect.Value) any { return int8(v.Int()) }, + reflect.Int16: func(v reflect.Value) any { return int16(v.Int()) }, + reflect.Int32: func(v reflect.Value) any { return int32(v.Int()) }, + reflect.Int64: func(v reflect.Value) any { return v.Int() }, + reflect.Uint: func(v reflect.Value) any { return uint(v.Uint()) }, + reflect.Uint8: func(v reflect.Value) any { return uint8(v.Uint()) }, + reflect.Uint16: func(v reflect.Value) any { return uint16(v.Uint()) }, + reflect.Uint32: func(v reflect.Value) any { return uint32(v.Uint()) }, + reflect.Uint64: func(v reflect.Value) any { return v.Uint() }, + reflect.Float32: func(v reflect.Value) any { return float32(v.Float()) }, + reflect.Float64: func(v reflect.Value) any { return v.Float() }, +} + +// resolveAlias attempts to resolve a named type to its underlying basic type (if possible). +// +// Pointers are expected to be indirected by this point. +func resolveAlias(i any) (any, bool) { + if i == nil { + return nil, false + } + + t := reflect.TypeOf(i) + + // Not a named type + if t.Name() == "" || slices.Contains(kindNames, t.Name()) { + return i, false + } + + resolve, ok := kinds[t.Kind()] + if !ok { // Not a supported kind + return i, false + } + + v := reflect.ValueOf(i) + + return resolve(v), true +} |
