/
reflect.go
47 lines (38 loc) · 941 Bytes
/
reflect.go
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package mvc
import (
"reflect"
"github.com/kataras/iris/v12/hero"
)
var (
baseControllerTyp = reflect.TypeOf((*BaseController)(nil)).Elem()
errorHandlerTyp = reflect.TypeOf((*hero.ErrorHandler)(nil)).Elem()
errorTyp = reflect.TypeOf((*error)(nil)).Elem()
)
func isBaseController(ctrlTyp reflect.Type) bool {
return ctrlTyp.Implements(baseControllerTyp)
}
func isErrorHandler(ctrlTyp reflect.Type) bool {
return ctrlTyp.Implements(errorHandlerTyp)
}
func hasErrorOutArgs(fn reflect.Method) bool {
n := fn.Type.NumOut()
if n == 0 {
return false
}
for i := 0; i < n; i++ {
if out := fn.Type.Out(i); out.Kind() == reflect.Interface {
if out.Implements(errorTyp) {
return true
}
}
}
return false
}
func getInputArgsFromFunc(funcTyp reflect.Type) []reflect.Type {
n := funcTyp.NumIn()
funcIn := make([]reflect.Type, n, n)
for i := 0; i < n; i++ {
funcIn[i] = funcTyp.In(i)
}
return funcIn
}