Update Lego
This commit is contained in:
Ludovic Fernandez
Traefiker Bot
parent
36966da701
commit
253060b4f3
185 changed files with 16653 additions and 3210 deletions
328
vendor/github.com/exoscale/egoscale/serialization.go
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vendored
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328
vendor/github.com/exoscale/egoscale/serialization.go
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@ -0,0 +1,328 @@
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package egoscale
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import (
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"encoding/base64"
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"fmt"
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"log"
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"net"
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"net/url"
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"reflect"
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"strconv"
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"strings"
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)
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func csQuotePlus(s string) string {
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s = strings.Replace(s, "+", "%20", -1)
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return s
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}
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func csEncode(s string) string {
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return csQuotePlus(url.QueryEscape(s))
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}
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// info returns the meta info of a command
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//
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// command is not a Command so it's easier to Test
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func info(command interface{}) (*CommandInfo, error) {
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typeof := reflect.TypeOf(command)
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// Going up the pointer chain to find the underlying struct
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for typeof.Kind() == reflect.Ptr {
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typeof = typeof.Elem()
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}
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field, ok := typeof.FieldByName("_")
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if !ok {
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return nil, fmt.Errorf(`missing meta ("_") field in %#v`, command)
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}
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name, nameOk := field.Tag.Lookup("name")
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description, _ := field.Tag.Lookup("description")
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if !nameOk {
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return nil, fmt.Errorf(`missing "name" key in the tag string of %#v`, command)
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}
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info := &CommandInfo{
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Name: name,
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Description: description,
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}
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return info, nil
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}
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// prepareValues uses a command to build a POST request
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//
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// command is not a Command so it's easier to Test
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func prepareValues(prefix string, params url.Values, command interface{}) error {
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value := reflect.ValueOf(command)
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typeof := reflect.TypeOf(command)
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// Going up the pointer chain to find the underlying struct
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for typeof.Kind() == reflect.Ptr {
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typeof = typeof.Elem()
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value = value.Elem()
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}
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// Checking for nil commands
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if !value.IsValid() {
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return fmt.Errorf("cannot serialize the invalid value %#v", command)
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}
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for i := 0; i < typeof.NumField(); i++ {
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field := typeof.Field(i)
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if field.Name == "_" {
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continue
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}
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val := value.Field(i)
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tag := field.Tag
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if json, ok := tag.Lookup("json"); ok {
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n, required := ExtractJSONTag(field.Name, json)
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name := prefix + n
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switch val.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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v := val.Int()
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if v == 0 {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got 0", typeof.Name(), n, val.Kind())
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}
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} else {
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params.Set(name, strconv.FormatInt(v, 10))
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}
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
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v := val.Uint()
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if v == 0 {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got 0", typeof.Name(), n, val.Kind())
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}
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} else {
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params.Set(name, strconv.FormatUint(v, 10))
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}
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case reflect.Float32, reflect.Float64:
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v := val.Float()
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if v == 0 {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got 0", typeof.Name(), n, val.Kind())
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}
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} else {
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params.Set(name, strconv.FormatFloat(v, 'f', -1, 64))
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}
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case reflect.String:
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v := val.String()
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if v == "" {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got \"\"", typeof.Name(), n, val.Kind())
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}
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} else {
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params.Set(name, v)
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}
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case reflect.Bool:
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v := val.Bool()
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if !v {
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if required {
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params.Set(name, "false")
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}
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} else {
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params.Set(name, "true")
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}
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case reflect.Ptr:
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if val.IsNil() {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got empty ptr", typeof.Name(), n, val.Kind())
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}
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} else {
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switch field.Type.Elem().Kind() {
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case reflect.Bool:
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params.Set(name, strconv.FormatBool(val.Elem().Bool()))
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case reflect.Struct:
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i := val.Interface()
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s, ok := i.(fmt.Stringer)
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if !ok {
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return fmt.Errorf("%s.%s (%v) is not a Stringer", typeof.Name(), field.Name, val.Kind())
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}
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if s != nil && s.String() == "" {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got empty value", typeof.Name(), field.Name, val.Kind())
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}
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} else {
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params.Set(n, s.String())
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}
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default:
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log.Printf("[SKIP] %s.%s (%v) not supported", typeof.Name(), n, field.Type.Elem().Kind())
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}
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}
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case reflect.Slice:
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switch field.Type.Elem().Kind() {
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case reflect.Uint8:
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switch field.Type {
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case reflect.TypeOf(net.IPv4zero):
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ip := (net.IP)(val.Bytes())
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if ip == nil || ip.Equal(net.IPv4zero) {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got zero IPv4 address", typeof.Name(), n, val.Kind())
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}
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} else {
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params.Set(name, ip.String())
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}
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case reflect.TypeOf(MAC48(0, 0, 0, 0, 0, 0)):
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mac := val.Interface().(MACAddress)
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s := mac.String()
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if s == "" {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got empty MAC address", typeof.Name(), field.Name, val.Kind())
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}
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} else {
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params.Set(name, s)
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}
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default:
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if val.Len() == 0 {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got empty slice", typeof.Name(), n, val.Kind())
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}
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} else {
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v := val.Bytes()
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params.Set(name, base64.StdEncoding.EncodeToString(v))
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}
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}
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case reflect.String:
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if val.Len() == 0 {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got empty slice", typeof.Name(), n, val.Kind())
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}
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} else {
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elems := make([]string, 0, val.Len())
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for i := 0; i < val.Len(); i++ {
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// XXX what if the value contains a comma? Double encode?
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s := val.Index(i).String()
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elems = append(elems, s)
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}
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params.Set(name, strings.Join(elems, ","))
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}
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default:
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switch field.Type.Elem() {
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case reflect.TypeOf(CIDR{}), reflect.TypeOf(UUID{}):
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if val.Len() == 0 {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got empty slice", typeof.Name(), n, val.Kind())
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}
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} else {
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value := reflect.ValueOf(val.Interface())
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ss := make([]string, val.Len())
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for i := 0; i < value.Len(); i++ {
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v := value.Index(i).Interface()
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s, ok := v.(fmt.Stringer)
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if !ok {
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return fmt.Errorf("not a String, %T", v)
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}
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ss[i] = s.String()
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}
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params.Set(name, strings.Join(ss, ","))
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}
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default:
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if val.Len() == 0 {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got empty slice", typeof.Name(), n, val.Kind())
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}
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} else {
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err := prepareList(name, params, val.Interface())
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if err != nil {
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return err
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}
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}
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}
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}
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case reflect.Map:
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if val.Len() == 0 {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got empty map", typeof.Name(), field.Name, val.Kind())
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}
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} else {
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err := prepareMap(name, params, val.Interface())
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if err != nil {
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return err
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}
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}
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case reflect.Struct:
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i := val.Interface()
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s, ok := i.(fmt.Stringer)
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if !ok {
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return fmt.Errorf("%s.%s (%v) is not a Stringer", typeof.Name(), field.Name, val.Kind())
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}
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if s != nil && s.String() == "" {
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if required {
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return fmt.Errorf("%s.%s (%v) is required, got empty value", typeof.Name(), field.Name, val.Kind())
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}
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} else {
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params.Set(n, s.String())
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}
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default:
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if required {
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return fmt.Errorf("unsupported type %s.%s (%v)", typeof.Name(), n, val.Kind())
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}
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fmt.Printf("%s\n", val.Kind())
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}
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} else {
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log.Printf("[SKIP] %s.%s no json label found", typeof.Name(), field.Name)
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}
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}
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return nil
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}
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func prepareList(prefix string, params url.Values, slice interface{}) error {
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value := reflect.ValueOf(slice)
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for i := 0; i < value.Len(); i++ {
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err := prepareValues(fmt.Sprintf("%s[%d].", prefix, i), params, value.Index(i).Interface())
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if err != nil {
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return err
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}
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}
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return nil
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}
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func prepareMap(prefix string, params url.Values, m interface{}) error {
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value := reflect.ValueOf(m)
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for i, key := range value.MapKeys() {
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var keyName string
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var keyValue string
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switch key.Kind() {
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case reflect.String:
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keyName = key.String()
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default:
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return fmt.Errorf("only map[string]string are supported (XXX)")
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}
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val := value.MapIndex(key)
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switch val.Kind() {
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case reflect.String:
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keyValue = val.String()
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default:
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return fmt.Errorf("only map[string]string are supported (XXX)")
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}
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params.Set(fmt.Sprintf("%s[%d].%s", prefix, i, keyName), keyValue)
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}
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return nil
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}
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// ExtractJSONTag returns the variable name or defaultName as well as if the field is required (!omitempty)
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func ExtractJSONTag(defaultName, jsonTag string) (string, bool) {
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tags := strings.Split(jsonTag, ",")
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name := tags[0]
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required := true
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for _, tag := range tags {
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if tag == "omitempty" {
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required = false
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}
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}
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if name == "" || name == "omitempty" {
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name = defaultName
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}
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return name, required
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}
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