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|
package logql
import (
"fmt"
"strconv"
"strings"
typesv1 "github.com/humanlogio/api/go/types/v1"
)
func VisitScalars(v *typesv1.Val, onScalar func(keys []string, scalar *typesv1.Val) error, prefixes ...string) error {
return visitScalars(prefixes, v, onScalar)
}
func visitScalars(keys []string, v *typesv1.Val, onScalar func(keys []string, scalar *typesv1.Val) error) error {
switch val := v.Kind.(type) {
case *typesv1.Val_Str:
return onScalar(keys, v)
case *typesv1.Val_F64:
return onScalar(keys, v)
case *typesv1.Val_I64:
return onScalar(keys, v)
case *typesv1.Val_Bool:
return onScalar(keys, v)
case *typesv1.Val_Ts:
return onScalar(keys, v)
case *typesv1.Val_Dur:
return onScalar(keys, v)
case *typesv1.Val_Arr:
for i, item := range val.Arr.Items {
k := strconv.Itoa(i)
if err := onScalar(append(keys, k), item); err != nil {
return fmt.Errorf("arr[%d] %v", i, err)
}
}
case *typesv1.Val_Obj:
for _, kval := range val.Obj.Kvs {
if err := onScalar(append(keys, kval.Key), kval.Value); err != nil {
return fmt.Errorf("obj[%q] %v", kval.Key, err)
}
}
default:
return fmt.Errorf("unsupported type %v", val)
}
return nil
}
type MakeMap func(prefixes []string, kvs []*typesv1.KV, mkMap MakeMap, mkSlice MakeSlice, setVal func([]string, any) error) error
type MakeSlice func(prefixes []string, items []*typesv1.Val, mkMap MakeMap, mkSlice MakeSlice, setVal func([]string, any) error) error
func ResolveVal(v *typesv1.Val, mkMap MakeMap, mkSlice MakeSlice) (any, error) {
var val any
return val, resolveVal(nil, v, mkMap, mkSlice, func(s []string, a any) error {
val = a
return nil
})
}
var (
MakeFlatGoMap MakeMap = func(prefixes []string, kvs []*typesv1.KV, mkMap MakeMap, mkSlice MakeSlice, setVal func([]string, any) error) error {
if len(prefixes) != 0 {
// dive deeper until we hit literals
for _, kv := range kvs {
keys := append(prefixes, kv.Key)
err := resolveVal(keys, kv.Value, mkMap, mkSlice, setVal)
if err != nil {
return err
}
}
return nil
}
out := make(map[string]any, len(kvs))
for _, kv := range kvs {
keys := []string{kv.Key}
err := resolveVal(keys, kv.Value, mkMap, mkSlice, func(s []string, a any) error {
k := strings.Join(s, ".")
out[k] = a
return nil
})
if err != nil {
return err
}
}
return setVal(nil, out)
}
MakeFlatMapGoSlice MakeSlice = func(prefixes []string, elems []*typesv1.Val, mkMap MakeMap, mkSlice MakeSlice, setVal func([]string, any) error) error {
if len(prefixes) != 0 {
// dive deeper until we hit literals
for i, el := range elems {
keys := append(prefixes, strconv.Itoa(i))
err := resolveVal(keys, el, mkMap, mkSlice, setVal)
if err != nil {
return err
}
}
return nil
}
out := make(map[string]any, len(elems))
for i, el := range elems {
keys := []string{strconv.Itoa(i)}
err := resolveVal(keys, el, mkMap, mkSlice, func(s []string, a any) error {
k := strings.Join(s, ".")
out[k] = a
return nil
})
if err != nil {
return err
}
}
return setVal(nil, out)
}
MakeFlatGoSlice MakeSlice = func(prefixes []string, elems []*typesv1.Val, mkMap MakeMap, mkSlice MakeSlice, setVal func([]string, any) error) error {
if len(prefixes) != 0 {
// dive deeper until we hit literals
for i, el := range elems {
keys := append(prefixes, strconv.Itoa(i))
err := resolveVal(keys, el, mkMap, mkSlice, setVal)
if err != nil {
return err
}
}
return nil
}
out := make([]any, 0, len(elems))
for _, el := range elems {
err := resolveVal(nil, el, mkMap, mkSlice, func(s []string, a any) error {
out = append(out, a)
return nil
})
if err != nil {
return err
}
}
return setVal(nil, out)
}
)
func resolveVal(
prefixes []string,
v *typesv1.Val,
mkMap MakeMap,
mkSlice MakeSlice,
setVal func([]string, any) error,
) error {
switch val := v.Kind.(type) {
case *typesv1.Val_Str:
return setVal(prefixes, val.Str)
case *typesv1.Val_F64:
return setVal(prefixes, val.F64)
case *typesv1.Val_I64:
return setVal(prefixes, val.I64)
case *typesv1.Val_Bool:
return setVal(prefixes, val.Bool)
case *typesv1.Val_Ts:
return setVal(prefixes, val.Ts.AsTime())
case *typesv1.Val_Dur:
return setVal(prefixes, val.Dur.AsDuration())
case *typesv1.Val_Arr:
return mkSlice(prefixes, val.Arr.Items, mkMap, mkSlice, setVal)
case *typesv1.Val_Obj:
return mkMap(prefixes, val.Obj.Kvs, mkMap, mkSlice, setVal)
default:
return fmt.Errorf("unsupported type %v", val)
}
}
|
