diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/awslabs/aws-sdk-go/internal/protocol/xml/xmlutil/build.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/awslabs/aws-sdk-go/internal/protocol/xml/xmlutil/build.go | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/Godeps/_workspace/src/github.com/awslabs/aws-sdk-go/internal/protocol/xml/xmlutil/build.go b/Godeps/_workspace/src/github.com/awslabs/aws-sdk-go/internal/protocol/xml/xmlutil/build.go deleted file mode 100644 index af2ce630b..000000000 --- a/Godeps/_workspace/src/github.com/awslabs/aws-sdk-go/internal/protocol/xml/xmlutil/build.go +++ /dev/null @@ -1,262 +0,0 @@ -package xmlutil - -import ( - "encoding/base64" - "encoding/xml" - "fmt" - "reflect" - "sort" - "strconv" - "strings" - "time" -) - -func BuildXML(params interface{}, e *xml.Encoder) error { - b := xmlBuilder{encoder: e, namespaces: map[string]string{}} - root := NewXMLElement(xml.Name{}) - if err := b.buildValue(reflect.ValueOf(params), root, ""); err != nil { - return err - } - for _, c := range root.Children { - for _, v := range c { - return StructToXML(e, v, false) - } - } - return nil -} - -func elemOf(value reflect.Value) reflect.Value { - for value.Kind() == reflect.Ptr { - value = value.Elem() - } - return value -} - -type xmlBuilder struct { - encoder *xml.Encoder - namespaces map[string]string -} - -func (b *xmlBuilder) buildValue(value reflect.Value, current *XMLNode, tag reflect.StructTag) error { - value = elemOf(value) - if !value.IsValid() { // no need to handle zero values - return nil - } else if tag.Get("location") != "" { // don't handle non-body location values - return nil - } - - t := tag.Get("type") - if t == "" { - switch value.Kind() { - case reflect.Struct: - t = "structure" - case reflect.Slice: - t = "list" - case reflect.Map: - t = "map" - } - } - - switch t { - case "structure": - if field, ok := value.Type().FieldByName("SDKShapeTraits"); ok { - tag = tag + reflect.StructTag(" ") + field.Tag - } - return b.buildStruct(value, current, tag) - case "list": - return b.buildList(value, current, tag) - case "map": - return b.buildMap(value, current, tag) - default: - return b.buildScalar(value, current, tag) - } -} - -func (b *xmlBuilder) buildStruct(value reflect.Value, current *XMLNode, tag reflect.StructTag) error { - if !value.IsValid() { - return nil - } - - fieldAdded := false - - // unwrap payloads - if payload := tag.Get("payload"); payload != "" { - field, _ := value.Type().FieldByName(payload) - tag = field.Tag - value = elemOf(value.FieldByName(payload)) - - if !value.IsValid() { - return nil - } - } - - child := NewXMLElement(xml.Name{Local: tag.Get("locationName")}) - - // there is an xmlNamespace associated with this struct - if prefix, uri := tag.Get("xmlPrefix"), tag.Get("xmlURI"); uri != "" { - ns := xml.Attr{ - Name: xml.Name{Local: "xmlns"}, - Value: uri, - } - if prefix != "" { - b.namespaces[prefix] = uri // register the namespace - ns.Name.Local = "xmlns:" + prefix - } - - child.Attr = append(child.Attr, ns) - } - - t := value.Type() - for i := 0; i < value.NumField(); i++ { - if c := t.Field(i).Name[0:1]; strings.ToLower(c) == c { - continue // ignore unexported fields - } - - member := elemOf(value.Field(i)) - field := t.Field(i) - mTag := field.Tag - - if mTag.Get("location") != "" { // skip non-body members - continue - } - - memberName := mTag.Get("locationName") - if memberName == "" { - memberName = field.Name - mTag = reflect.StructTag(string(mTag) + ` locationName:"` + memberName + `"`) - } - if err := b.buildValue(member, child, mTag); err != nil { - return err - } - - fieldAdded = true - } - - if fieldAdded { // only append this child if we have one ore more valid members - current.AddChild(child) - } - - return nil -} - -func (b *xmlBuilder) buildList(value reflect.Value, current *XMLNode, tag reflect.StructTag) error { - if value.IsNil() { // don't build omitted lists - return nil - } - - // check for unflattened list member - flattened := tag.Get("flattened") != "" - - xname := xml.Name{Local: tag.Get("locationName")} - if flattened { - for i := 0; i < value.Len(); i++ { - child := NewXMLElement(xname) - current.AddChild(child) - if err := b.buildValue(value.Index(i), child, ""); err != nil { - return err - } - } - } else { - list := NewXMLElement(xname) - current.AddChild(list) - - for i := 0; i < value.Len(); i++ { - iname := tag.Get("locationNameList") - if iname == "" { - iname = "member" - } - - child := NewXMLElement(xml.Name{Local: iname}) - list.AddChild(child) - if err := b.buildValue(value.Index(i), child, ""); err != nil { - return err - } - } - } - - return nil -} - -func (b *xmlBuilder) buildMap(value reflect.Value, current *XMLNode, tag reflect.StructTag) error { - if value.IsNil() { // don't build omitted maps - return nil - } - - maproot := NewXMLElement(xml.Name{Local: tag.Get("locationName")}) - current.AddChild(maproot) - current = maproot - - kname, vname := "key", "value" - if n := tag.Get("locationNameKey"); n != "" { - kname = n - } - if n := tag.Get("locationNameValue"); n != "" { - vname = n - } - - // sorting is not required for compliance, but it makes testing easier - keys := make([]string, value.Len()) - for i, k := range value.MapKeys() { - keys[i] = k.String() - } - sort.Strings(keys) - - for _, k := range keys { - v := value.MapIndex(reflect.ValueOf(k)) - fmt.Println(k, v.Interface()) - - mapcur := current - if tag.Get("flattened") == "" { // add "entry" tag to non-flat maps - child := NewXMLElement(xml.Name{Local: "entry"}) - mapcur.AddChild(child) - mapcur = child - } - - kchild := NewXMLElement(xml.Name{Local: kname}) - kchild.Text = k - vchild := NewXMLElement(xml.Name{Local: vname}) - mapcur.AddChild(kchild) - mapcur.AddChild(vchild) - - if err := b.buildValue(v, vchild, ""); err != nil { - return err - } - } - - return nil -} - -func (b *xmlBuilder) buildScalar(value reflect.Value, current *XMLNode, tag reflect.StructTag) error { - var str string - switch converted := value.Interface().(type) { - case string: - str = converted - case []byte: - str = base64.StdEncoding.EncodeToString(converted) - case bool: - str = strconv.FormatBool(converted) - case int64: - str = strconv.FormatInt(converted, 10) - case int: - str = strconv.Itoa(converted) - case float64: - str = strconv.FormatFloat(converted, 'f', -1, 64) - case float32: - str = strconv.FormatFloat(float64(converted), 'f', -1, 32) - case time.Time: - const ISO8601UTC = "2006-01-02T15:04:05Z" - str = converted.UTC().Format(ISO8601UTC) - default: - return fmt.Errorf("unsupported value for param %s: %v (%s)", - tag.Get("locationName"), value.Interface(), value.Type().Name()) - } - - xname := xml.Name{Local: tag.Get("locationName")} - if tag.Get("xmlAttribute") != "" { // put into current node's attribute list - attr := xml.Attr{Name: xname, Value: str} - current.Attr = append(current.Attr, attr) - } else { // regular text node - current.AddChild(&XMLNode{Name: xname, Text: str}) - } - return nil -} |