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Added DynamicDataProvider

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This commit is contained in:
Trial97
2020-05-19 17:04:39 +03:00
committed by Dan Christian Bogos
parent c5b472c93a
commit da9344128c
12 changed files with 578 additions and 92 deletions
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76
utils/mapstorage.go
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@@ -23,6 +23,7 @@ import (
"fmt"
"net"
"reflect"
"strconv"
"strings"
"time"
)
@@ -47,34 +48,48 @@ func (ms MapStorage) FieldAsInterface(fldPath []string) (val interface{}, err er
if len(fldPath) == 0 {
err = errors.New("empty field path")
return
}
opath, indx := GetPathIndex(fldPath[0])
opath, sindx := GetPathIndexString(fldPath[0])
var has bool
if val, has = ms[opath]; !has {
err = ErrNotFound
return
}
if len(fldPath) == 1 {
if indx == nil {
if sindx == nil {
return
}
switch rv := val.(type) {
case []string:
if len(rv) <= *indx {
var indx int
if indx, err = strconv.Atoi(*sindx); err != nil {
return
}
if len(rv) <= indx {
return nil, ErrNotFound
}
val = rv[*indx]
val = rv[indx]
return
case []interface{}:
if len(rv) <= *indx {
var indx int
if indx, err = strconv.Atoi(*sindx); err != nil {
return
}
if len(rv) <= indx {
return nil, ErrNotFound
}
val = rv[*indx]
val = rv[indx]
return
case DataProvider:
return rv.FieldAsInterface(append([]string{*sindx}, fldPath[1:]...))
case map[string]interface{}:
return MapStorage(rv).FieldAsInterface(append([]string{*sindx}, fldPath[1:]...))
default:
}
var indx int
if indx, err = strconv.Atoi(*sindx); err != nil {
return
}
// only if all above fails use reflect:
vr := reflect.ValueOf(val)
if vr.Kind() == reflect.Ptr {
@@ -84,13 +99,12 @@ func (ms MapStorage) FieldAsInterface(fldPath []string) (val interface{}, err er
return nil, ErrNotFound
}
if *indx >= vr.Len() {
if indx >= vr.Len() {
return nil, ErrNotFound
}
return vr.Index(*indx).Interface(), nil
return vr.Index(indx).Interface(), nil
}
if indx == nil {
if sindx == nil {
switch dp := ms[fldPath[0]].(type) {
case DataProvider:
return dp.FieldAsInterface(fldPath[1:])
@@ -98,32 +112,51 @@ func (ms MapStorage) FieldAsInterface(fldPath []string) (val interface{}, err er
return MapStorage(dp).FieldAsInterface(fldPath[1:])
default:
err = ErrWrongPath
return
}
}
switch dp := ms[opath].(type) {
case DataProvider:
return dp.FieldAsInterface(append([]string{*sindx}, fldPath[1:]...))
case map[string]interface{}:
return MapStorage(dp).FieldAsInterface(append([]string{*sindx}, fldPath[1:]...))
case []DataProvider:
if len(dp) <= *indx {
var indx int
if indx, err = strconv.Atoi(*sindx); err != nil {
return
}
if len(dp) <= indx {
return nil, ErrNotFound
}
return dp[*indx].FieldAsInterface(fldPath[1:])
return dp[indx].FieldAsInterface(fldPath[1:])
case []MapStorage:
if len(dp) <= *indx {
var indx int
if indx, err = strconv.Atoi(*sindx); err != nil {
return
}
if len(dp) <= indx {
return nil, ErrNotFound
}
return dp[*indx].FieldAsInterface(fldPath[1:])
return dp[indx].FieldAsInterface(fldPath[1:])
case []map[string]interface{}:
if len(dp) <= *indx {
var indx int
if indx, err = strconv.Atoi(*sindx); err != nil {
return
}
if len(dp) <= indx {
return nil, ErrNotFound
}
return MapStorage(dp[*indx]).FieldAsInterface(fldPath[1:])
return MapStorage(dp[indx]).FieldAsInterface(fldPath[1:])
case []interface{}:
if len(dp) <= *indx {
var indx int
if indx, err = strconv.Atoi(*sindx); err != nil {
return
}
if len(dp) <= indx {
return nil, ErrNotFound
}
switch ds := dp[*indx].(type) {
switch ds := dp[indx].(type) {
case DataProvider:
return ds.FieldAsInterface(fldPath[1:])
case map[string]interface{}:
@@ -131,7 +164,6 @@ func (ms MapStorage) FieldAsInterface(fldPath []string) (val interface{}, err er
default:
}
default:
}
err = ErrNotFound // xml compatible
val = nil