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|
package helpers
import (
"fmt"
"reflect"
)
type withDebugMap interface {
DebugMap() map[string]any
}
// DebugValue returns the debug value for the given raw Go value. If the value
// is a primitive, it is directly returned. If the value is itself a generated
// Config with a DebugMap function, the DebugMap is invoked. Otherwise, "(value)"
// is returned, unless fmtValue is specified, in which case it is returned as the
// result of fmt.Sprintf.
func DebugValue(value any, fmtValue bool) any {
if value == nil {
return "nil"
}
if value == "" {
return "(empty)"
}
if wdm, ok := value.(withDebugMap); ok {
return wdm.DebugMap()
}
switch reflect.TypeOf(value).Kind() {
case reflect.Map:
if fmtValue {
return fmt.Sprintf("%v", value)
}
return fmt.Sprintf("(map of size %d)", reflect.ValueOf(value).Len())
case reflect.Slice:
slce, ok := value.([]any)
if !ok {
if fmtValue {
return fmt.Sprintf("%v", value)
}
return fmt.Sprintf("(slice of size %d)", reflect.ValueOf(value).Len())
}
updated := make([]any, 0, len(slce))
for _, vle := range slce {
updated = append(updated, DebugValue(vle, fmtValue))
}
return updated
case reflect.String:
fallthrough
case reflect.Int:
fallthrough
case reflect.Int8:
fallthrough
case reflect.Int16:
fallthrough
case reflect.Int32:
fallthrough
case reflect.Int64:
fallthrough
case reflect.Uint:
fallthrough
case reflect.Uint8:
fallthrough
case reflect.Uint16:
fallthrough
case reflect.Uint32:
fallthrough
case reflect.Uint64:
fallthrough
case reflect.Bool:
fallthrough
case reflect.Float32:
fallthrough
case reflect.Float64:
return value
default:
if fmtValue {
return fmt.Sprintf("%v", value)
}
return "(value)"
}
}
// SensitiveDebugValue returns the string "nil" if the value is nil, "(empty)"
// if empty and otherwise returns "(sensitive)".
func SensitiveDebugValue(value any) any {
if value == nil {
return "nil"
}
if value == "" {
return "(empty)"
}
return "(sensitive)"
}
func Flatten(debugMap map[string]any) map[string]any {
flattened := make(map[string]any, len(debugMap))
for key, value := range debugMap {
childMap, ok := value.(map[string]any)
if ok {
for fk, fv := range Flatten(childMap) {
flattened[key+"."+fk] = fv
}
continue
}
flattened[key] = value
}
return flattened
}
|
