Ejemplo n.º 1
1
func finishNewTable(b *tablebase, ty reflect.Type) Table {
	id := C.newTable()
	t := &table{
		scroller:  newScroller(id, true), // border on Table
		tablebase: b,
		selected:  newEvent(),
	}
	t.fpreferredSize = t.xpreferredSize
	// also sets the delegate
	C.tableMakeDataSource(t.id, unsafe.Pointer(t))
	for i := 0; i < ty.NumField(); i++ {
		colname := ty.Field(i).Tag.Get("uicolumn")
		if colname == "" {
			colname = ty.Field(i).Name
		}
		cname := C.CString(colname)
		coltype := C.colTypeText
		editable := false
		switch {
		case ty.Field(i).Type == reflect.TypeOf((*image.RGBA)(nil)):
			coltype = C.colTypeImage
		case ty.Field(i).Type.Kind() == reflect.Bool:
			coltype = C.colTypeCheckbox
			editable = true
		}
		C.tableAppendColumn(t.id, C.intptr_t(i), cname, C.int(coltype), toBOOL(editable))
		C.free(unsafe.Pointer(cname)) // free now (not deferred) to conserve memory
	}
	return t
}
Ejemplo n.º 2
0
// isEmptyStruct returns true if given Type is either not a Struct or
// has 0 fields
func isEmptyStruct(t reflect.Type) bool {
	if t.Kind() == reflect.Ptr {
		t = t.Elem()
	}
	// TODO: check for unexported fields?
	return t.Kind() == reflect.Struct && t.NumField() == 0
}
Ejemplo n.º 3
0
func validateListType(target reflect.Type) error {
	// exceptions
	if listTypeExceptions.Has(target.Name()) {
		return nil
	}
	hasListSuffix := strings.HasSuffix(target.Name(), "List")
	hasMetadata := false
	hasItems := false
	for i := 0; i < target.NumField(); i++ {
		field := target.Field(i)
		tag := field.Tag.Get("json")
		switch {
		case strings.HasPrefix(tag, "metadata"):
			hasMetadata = true
		case tag == "items":
			hasItems = true
			if field.Type.Kind() != reflect.Slice {
				return fmt.Errorf("Expected items to be slice, got %s", field.Type.Kind())
			}
		}
	}
	if hasListSuffix && !hasMetadata {
		return fmt.Errorf("Expected type %s to contain \"metadata\"", target.Name())
	}
	if hasListSuffix && !hasItems {
		return fmt.Errorf("Expected type %s to contain \"items\"", target.Name())
	}
	// if a type contains field Items with JSON tag "items", its name should end with List.
	if !hasListSuffix && hasItems {
		return fmt.Errorf("Type %s has Items, its name is expected to end with \"List\"", target.Name())
	}
	return nil
}
Ejemplo n.º 4
0
func MakeTypeInfo(rt reflect.Type) *TypeInfo {
	info := &TypeInfo{Type: rt}

	// If struct, register field name options
	if rt.Kind() == reflect.Struct {
		numFields := rt.NumField()
		structFields := []StructFieldInfo{}
		for i := 0; i < numFields; i++ {
			field := rt.Field(i)
			if field.PkgPath != "" {
				continue
			}
			skip, opts := getOptionsFromField(field)
			if skip {
				continue
			}
			structFields = append(structFields, StructFieldInfo{
				Index:   i,
				Type:    field.Type,
				Options: opts,
			})
		}
		info.Fields = structFields
	}

	return info
}
Ejemplo n.º 5
0
func (c *structCache) Indexes(typ reflect.Type) map[string][]int {
	c.l.RLock()
	indxs, ok := c.m[typ]
	c.l.RUnlock()
	if ok {
		return indxs
	}

	numField := typ.NumField()
	indxs = make(map[string][]int, numField)
	for i := 0; i < numField; i++ {
		f := typ.Field(i)
		if f.PkgPath != "" {
			continue
		}

		tokens := strings.Split(f.Tag.Get("pg"), ",")
		name := tokens[0]
		if name == "-" {
			continue
		}
		if name == "" {
			name = formatColumnName(f.Name)
		}
		indxs[name] = f.Index
	}

	c.l.Lock()
	c.m[typ] = indxs
	c.l.Unlock()

	return indxs
}
Ejemplo n.º 6
0
func getTableColumns(thing interface{}, typ reflect.Type) []*columnMap {
	columns := make([]*columnMap, 0, typ.NumField())

	for i := 0; i < typ.NumField(); i++ {
		field := typ.Field(i)
		tag := strings.Split(field.Tag.Get("db"), ",")
		if len(tag) > 0 && tag[0] != "" {
			col := &columnMap{Field: i}
			for _, flag := range tag {
				switch flag {
				case "pk":
					col.PrimaryKey = true
				case "serialize":
					col.Serialize = true
				default:
					if col.Name == "" {
						col.Name = flag
					}
				}
			}
			columns = append(columns, col)
		}
	}

	return columns
}
Ejemplo n.º 7
0
func (db *DB) rawSelectByStruct(structType reflect.Type, qi SqlQueryInfo) (rows *sql.Rows, fields []string, err error) {
	// nums of struct's fields
	lf := structType.NumField()
	// type's fields
	fields = make([]string, 0, lf)
	// sql select columns, it's Snake Cased
	columns := make([]string, 0, lf)

	// get fields in structType,
	// and convert to sql query column name
	for i := 0; i < lf; i++ {
		structField := structType.Field(i)
		fieldName := structField.Name
		fields = append(fields, fieldName)
		columns = append(columns, utils.SnakeCasedName(fieldName))
	}

	// tableName := utils.SnakeCasedName(utils.StructName(s))
	tableName := utils.SnakeCasedName(structType.Name())
	// TODO: check the fileds has specified ?
	qi.Fields = strings.Join(columns, ", ")
	// run query from db
	rows, err = db.Select(tableName, qi)
	return
}
Ejemplo n.º 8
0
func getFields(typ reflect.Type) *fields {
	numField := typ.NumField()
	fs := newFields(numField)

	for i := 0; i < numField; i++ {
		f := typ.Field(i)
		if f.PkgPath != "" && !f.Anonymous {
			continue
		}

		name, opts := parseTag(f.Tag.Get("msgpack"))
		if name == "-" {
			continue
		}

		if opts.Contains("inline") {
			inlineFields(fs, f)
			continue
		}

		if name == "" {
			name = f.Name
		}
		field := field{
			name:      name,
			index:     f.Index,
			omitEmpty: opts.Contains("omitempty"),
			encoder:   getEncoder(f.Type),
			decoder:   getDecoder(f.Type),
		}
		fs.Add(&field)
	}
	return fs
}
Ejemplo n.º 9
0
func checkStructs(c *C, t reflect.Type, structsChecked map[string]struct{}) {
	for t.Kind() == reflect.Ptr || t.Kind() == reflect.Map || t.Kind() == reflect.Slice {
		t = t.Elem()
	}

	if t.Kind() != reflect.Struct {
		return
	}
	if _, present := structsChecked[t.String()]; present {
		// Already checked this type
		return
	}

	structsChecked[t.String()] = struct{}{}

	byUpperCase := make(map[string]int)
	for i := 0; i < t.NumField(); i++ {
		sf := t.Field(i)

		// Check that the yaml tag does not contain an _.
		yamlTag := sf.Tag.Get("yaml")
		if strings.Contains(yamlTag, "_") {
			c.Fatalf("yaml field name includes _ character: %s", yamlTag)
		}
		upper := strings.ToUpper(sf.Name)
		if _, present := byUpperCase[upper]; present {
			c.Fatalf("field name collision in configuration object: %s", sf.Name)
		}
		byUpperCase[upper] = i

		checkStructs(c, sf.Type, structsChecked)
	}
}
Ejemplo n.º 10
0
func (g *schemaGenerator) javaType(t reflect.Type) string {
	if t.Kind() == reflect.Ptr {
		t = t.Elem()
	}
	pkgDesc, ok := g.packages[t.PkgPath()]
	if ok {
		return pkgDesc.JavaPackage + "." + capitalizeFirst(t.Name())
	} else {
		switch t.Kind() {
		case reflect.Bool:
			return "bool"
		case reflect.Int, reflect.Int8, reflect.Int16,
			reflect.Int32, reflect.Uint,
			reflect.Uint8, reflect.Uint16, reflect.Uint32:
			return "int"
		case reflect.Int64, reflect.Uint64:
			return "Long"
		case reflect.Float32, reflect.Float64, reflect.Complex64,
			reflect.Complex128:
			return "double"
		case reflect.String:
			return "String"
		case reflect.Array, reflect.Slice:
			return g.javaTypeArrayList(t.Elem())
		case reflect.Map:
			return "java.util.Map<String," + g.javaTypeWrapPrimitive(t.Elem()) + ">"
		default:
			if len(t.Name()) == 0 && t.NumField() == 0 {
				return "Object"
			}
			return capitalizeClassName(t.Name())
		}
	}
}
Ejemplo n.º 11
0
func (d decoder) decodeField(sf reflect.StructField, t reflect.Type, v reflect.Value) MessageRejectError {
	if sf.Tag.Get("fix") != "" {
		fixTag, err := strconv.Atoi(sf.Tag.Get("fix"))
		if err != nil {
			panic(err)
		}

		if !d.FieldMap.Has(Tag(fixTag)) {
			return nil
		}

		return d.decodeValue(Tag(fixTag), t, v)
	}

	switch t.Kind() {
	case reflect.Ptr:
		v.Set(reflect.New(t.Elem()))
		return d.decodeField(sf, t.Elem(), v.Elem())
	case reflect.Struct:
		for i := 0; i < t.NumField(); i++ {
			if err := d.decodeField(t.Field(i), t.Field(i).Type, v.Field(i)); err != nil {
				return err
			}
		}
	}

	return nil
}
Ejemplo n.º 12
0
func New(t interface{}, tags []string, conf Configurator) (*Struct, error) {
	var typ reflect.Type
	if tt, ok := t.(reflect.Type); ok {
		typ = tt
	} else {
		typ = reflect.TypeOf(t)
	}
	for typ.Kind() == reflect.Ptr {
		typ = typ.Elem()
	}
	if typ.Kind() != reflect.Struct {
		return nil, ErrNoStruct
	}
	if typ.NumField() == 0 {
		return nil, ErrNoFields
	}
	s := &Struct{
		Type:     typ,
		MNameMap: make(map[string]int),
		QNameMap: make(map[string]int),
		tags:     tags,
		conf:     conf,
	}
	if err := s.initialize(typ); err != nil {
		return nil, err
	}
	return s, nil
}
Ejemplo n.º 13
0
func getFieldInfos(rType reflect.Type, parentIndexChain []int) []fieldInfo {
	fieldsCount := rType.NumField()
	fieldsList := make([]fieldInfo, 0, fieldsCount)
	for i := 0; i < fieldsCount; i++ {
		field := rType.Field(i)
		if field.PkgPath != "" {
			continue
		}
		indexChain := append(parentIndexChain, i)
		// if the field is an embedded struct, create a fieldInfo for each of its fields
		if field.Anonymous && field.Type.Kind() == reflect.Struct {
			fieldsList = append(fieldsList, getFieldInfos(field.Type, indexChain)...)
			continue
		}
		fieldInfo := fieldInfo{IndexChain: indexChain}
		fieldTag := field.Tag.Get("csv")
		fieldTags := strings.Split(fieldTag, TagSeparator)
		filteredTags := []string{}
		for _, fieldTagEntry := range fieldTags {
			if fieldTagEntry != "omitempty" {
				filteredTags = append(filteredTags, fieldTagEntry)
			}
		}

		if len(filteredTags) == 1 && filteredTags[0] == "-" {
			continue
		} else if len(filteredTags) > 0 && filteredTags[0] != "" {
			fieldInfo.keys = filteredTags
		} else {
			fieldInfo.keys = []string{field.Name}
		}
		fieldsList = append(fieldsList, fieldInfo)
	}
	return fieldsList
}
Ejemplo n.º 14
0
func checkJsonTags(objType reflect.Type, seen *map[reflect.Type]bool, t *testing.T) {
	if _, exists := (*seen)[objType]; exists {
		return
	}
	(*seen)[objType] = true
	if !strings.Contains(objType.PkgPath(), "openshift/origin") {
		return
	}
	if internalTypesWithAllowedJsonTags.Has(objType.Name()) {
		return
	}

	for i := 0; i < objType.NumField(); i++ {
		structField := objType.FieldByIndex([]int{i})

		jsonTag := structField.Tag.Get("json")
		if len(jsonTag) != 0 {
			t.Errorf("%v.%v should not have a json tag", objType, structField.Name)
		}

		switch structField.Type.Kind() {
		case reflect.Struct:
			checkJsonTags(structField.Type, seen, t)
		}
	}
}
Ejemplo n.º 15
0
func checkDescriptions(objType reflect.Type, seen *map[reflect.Type]bool, t *testing.T) {
	if _, exists := (*seen)[objType]; exists {
		return
	}
	(*seen)[objType] = true
	if !strings.Contains(objType.PkgPath(), "openshift/origin") {
		return
	}

	for i := 0; i < objType.NumField(); i++ {
		structField := objType.FieldByIndex([]int{i})

		// these fields don't need descriptions
		if structField.Name == "TypeMeta" || structField.Name == "ObjectMeta" || structField.Name == "ListMeta" {
			continue
		}
		if structField.Type == reflect.TypeOf(unversioned.Time{}) || structField.Type == reflect.TypeOf(time.Time{}) || structField.Type == reflect.TypeOf(runtime.RawExtension{}) {
			continue
		}

		descriptionTag := structField.Tag.Get("description")
		if len(descriptionTag) == 0 {
			t.Errorf("%v", structField.Tag)
			t.Errorf("%v.%v does not have a description", objType, structField.Name)
		}

		switch structField.Type.Kind() {
		case reflect.Struct:
			checkDescriptions(structField.Type, seen, t)
		}
	}
}
Ejemplo n.º 16
0
func getFields(t reflect.Type) []reflect.StructField {
	fields := make([]reflect.StructField, 0)

	if t.Kind() == reflect.Ptr {
		t = t.Elem()
	}

	for i := 0; i < t.NumField(); i++ {
		f := t.Field(i)
		ft := f.Type
		if ft.Kind() == reflect.Ptr {
			ft = ft.Elem()
		}
		switch ft.Kind() {
		case reflect.Struct:
			if f.Anonymous {
				fields = append(fields, getFields(ft)...)
			} else if len(f.PkgPath) == 0 {
				fields = append(fields, f)
			}
		default:
			if len(f.PkgPath) == 0 {
				fields = append(fields, f)
			}
		}
	}

	return fields
}
Ejemplo n.º 17
0
func getParams(elem reflect.Type) []Parameter {
	parameters := []Parameter{}

	l := elem.NumField()

	for i := 0; i < l; i++ {
		f := elem.Field(i)

		jsonName := f.Tag.Get("json")

		if f.Anonymous {
			parameters = append(parameters, getParams(f.Type)...)
		} else if jsonName != "" {
			p := Parameter{}

			p.Name = jsonName
			p.Type = f.Type.String()
			p.Description = f.Tag.Get("description")
			enum := f.Tag.Get("enum")
			if enum != "" {
				p.EnumValues = strings.Split(enum, ",")
				p.Type = "enum"
			} else {
				p.EnumValues = []string{}
			}

			parameters = append(parameters, p)
		}
	}

	return parameters
}
Ejemplo n.º 18
0
func newStructInspection(t reflect.Type) (*structInspection, error) {
	si := &structInspection{
		rtype:           t,
		orderedFields:   make([]*field, 0),
		goFields:        make(map[string]*field, 0),
		cassandraFields: make(map[string]*field, 0),
		globalTags:      make(map[string]string),
	}
	n := t.NumField()
	for i := 0; i < n; i++ {
		sf := t.Field(i)
		for _, t := range recognizedGlobalTags {
			if v := sf.Tag.Get(t); v != "" {
				si.globalTags[t] = v
			}
		}
		f, err := newField(i, sf)
		if err != nil {
			return nil, errors.New(fmt.Sprint("Error in struct ", t.Name(), ": ", err))
		}
		if f != nil {
			si.orderedFields = append(si.orderedFields, f)
			si.goFields[f.name] = f
			si.cassandraFields[f.cassandraName] = f
		}
	}
	return si, nil
}
Ejemplo n.º 19
0
// create new schema with type
func NewSchema(rt reflect.Type, size int) (sc *Schema, e error) {
	numField := rt.NumField()
	if numField < 1 {
		e = fmtError(ErrStrStructNeedField, rt)
		return
	}
	sc = new(Schema)
	sc.Name = rt.Name()
	sc.Max = 0
	sc.Index = []string{}
	sc.ChunkSize = size

	// parse fields
	for i := 0; i < numField; i++ {
		field := rt.Field(i)
		tag := field.Tag.Get("jx")
		if tag == "" || tag == "-" {
			continue
		}
		if tag == "pk" {
			if field.Type.Kind() != reflect.Int {
				e = fmtError(ErrStrStructPkNeedInt, rt, field.Name)
				return
			}
			sc.PK = field.Name
			continue
		}
		if tag == "index" {
			sc.Index = append(sc.Index, field.Name)
		}
	}
	return
}
Ejemplo n.º 20
0
func convertStruct(result url.Values, st reflect.Type, sv reflect.Value) {
	for i := 0; i < st.NumField(); i++ {
		field := sv.Field(i)
		tag, omitempty := jsonTag(st.Field(i))
		if len(tag) == 0 {
			continue
		}
		ft := field.Type()

		kind := ft.Kind()
		if isPointerKind(kind) {
			kind = ft.Elem().Kind()
			if !field.IsNil() {
				field = reflect.Indirect(field)
			}
		}

		switch {
		case isValueKind(kind):
			addParam(result, tag, omitempty, field)
		case kind == reflect.Array || kind == reflect.Slice:
			if isValueKind(ft.Elem().Kind()) {
				addListOfParams(result, tag, omitempty, field)
			}
		case isStructKind(kind) && !(zeroValue(field) && omitempty):
			convertStruct(result, ft, field)
		}
	}
}
Ejemplo n.º 21
0
Archivo: gorp.go Proyecto: joeshaw/gorp
func readStructColumns(t reflect.Type) (cols []*ColumnMap, version *ColumnMap) {
	n := t.NumField()
	for i := 0; i < n; i++ {
		f := t.Field(i)
		if f.Anonymous && f.Type.Kind() == reflect.Struct {
			// Recursively add nested fields in embedded structs.
			subcols, subversion := readStructColumns(f.Type)
			cols = append(cols, subcols...)
			if subversion != nil {
				version = subversion
			}
		} else {
			columnName := f.Tag.Get("db")
			if columnName == "" {
				columnName = f.Name
			}
			cm := &ColumnMap{
				ColumnName: columnName,
				Transient:  columnName == "-",
				fieldName:  f.Name,
				gotype:     f.Type,
			}
			cols = append(cols, cm)
			if cm.fieldName == "Version" {
				version = cm
			}
		}
	}
	return
}
Ejemplo n.º 22
0
func populateFormStruct(formStruct reflect.Value, typ reflect.Type, req *http.Request, errors *Errors) {

	for i := 0; i < typ.NumField(); i++ {
		typeField := typ.Field(i)
		if typeField.Type.Kind() == reflect.Struct {
			populateFormStruct(formStruct.Field(i), typeField.Type, req, errors)
		} else if inputFieldName := typeField.Tag.Get("form"); inputFieldName != "" {
			structField := formStruct.Field(i)
			if !structField.CanSet() {
				continue
			}

			inputValue, exists := req.Form[inputFieldName]
			if !exists {
				continue
			}

			numElems := len(inputValue)
			if structField.Kind() == reflect.Slice && numElems > 0 {
				sliceOf := structField.Type().Elem().Kind()
				slice := reflect.MakeSlice(structField.Type(), numElems, numElems)
				for i := 0; i < numElems; i++ {
					setWithProperType(sliceOf, inputValue[i], slice.Index(i), inputFieldName, errors)
				}
				formStruct.Field(i).Set(slice)
			} else {
				setWithProperType(typeField.Type.Kind(), inputValue[0], structField, inputFieldName, errors)
			}
		}
	}

}
Ejemplo n.º 23
0
func sizeof(t reflect.Type) (int, error) {
	switch t.Kind() {
	case reflect.Array:
		n, err := sizeof(t.Elem())
		if err != nil {
			return 0, err
		}
		return t.Len() * n, nil

	case reflect.Struct:
		sum := 0
		for i, n := 0, t.NumField(); i < n; i++ {
			s, err := sizeof(t.Field(i).Type)
			if err != nil {
				return 0, err
			}
			sum += s
		}
		return sum, nil

	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
		reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
		reflect.Float32, reflect.Float64, reflect.Complex64, reflect.Complex128:
		return int(t.Size()), nil
	}
	return 0, errors.New("invalid type " + t.String())
}
Ejemplo n.º 24
0
func buildnameIndex(tpe reflect.Type, idx, reverseIdx map[string]string) {
	for i := 0; i < tpe.NumField(); i++ {
		targetDes := tpe.Field(i)

		if targetDes.PkgPath != "" { // unexported
			continue
		}

		if targetDes.Anonymous { // walk embedded structures tree down first
			buildnameIndex(targetDes.Type, idx, reverseIdx)
			continue
		}

		if tag := targetDes.Tag.Get("json"); tag != "" {

			parts := strings.Split(tag, ",")
			if len(parts) == 0 {
				continue
			}

			nm := parts[0]
			if nm == "-" {
				continue
			}
			if nm == "" { // empty string means we want to use the Go name
				nm = targetDes.Name
			}

			idx[nm] = targetDes.Name
			reverseIdx[targetDes.Name] = nm
		}
	}
}
Ejemplo n.º 25
0
func getOrCreateSchema(definitions Definitions, t reflect.Type) *Schema {
	var result Schema
	if t.Kind() == reflect.Ptr {
		t = t.Elem()
	}

	if t.Kind() == reflect.Map {
		if t.Key().Kind() != reflect.String {
			panic("swagger supports only maps with string keys")
		}
		result.Type = "object"
		result.AdditionalProperties = getOrCreateSchema(definitions, t.Elem())
		return &result
	}

	if t.Kind() == reflect.Interface {
		result.Type = "object"
		return &result
	}

	result.Type = typeName(t)
	if result.Type == "object" {
		name := t.String()
		if _, ok := definitions[name]; ok {
			result = Schema{Ref: "#/definitions/" + name}
			return &result
		}
		definitions[name] = result

		if t.NumField() > 0 {
			result.Properties = Properties{}
		}
		for i := 0; i < t.NumField(); i++ {
			field := t.Field(i)
			if field.PkgPath != "" {
				continue
			}
			name := field.Tag.Get("json")
			if name == "" {
				name = field.Tag.Get("key")
				if name == "" {
					name = field.Name
				}
			}
			if field.Type.Kind() != reflect.Ptr {
				result.Required = append(result.Required, name)
			}
			fieldSchema := getOrCreateSchema(definitions, field.Type)
			fieldSchema.Description = field.Tag.Get("description")
			result.Properties[name] = fieldSchema
		}
		definitions[name] = result
		result = Schema{Ref: "#/definitions/" + name}
	} else if result.Type == "array" {
		itemsSchema := getOrCreateSchema(definitions, t.Elem())
		result.Items = &Items{*itemsSchema}
	}

	return &result
}
Ejemplo n.º 26
0
func newNameIndex(tpe reflect.Type) nameIndex {
	var idx = make(map[string]string, tpe.NumField())
	var reverseIdx = make(map[string]string, tpe.NumField())

	buildnameIndex(tpe, idx, reverseIdx)
	return nameIndex{jsonNames: idx, goNames: reverseIdx}
}
Ejemplo n.º 27
0
// hasUnrecognizedKeys finds unrecognized keys and warns about them on stderr.
// returns false when no unrecognized keys were found, true otherwise.
func hasUnrecognizedKeys(inCfg interface{}, refType reflect.Type) (warnings bool) {
	if refType.Kind() == reflect.Ptr {
		refType = refType.Elem()
	}
	switch inCfg.(type) {
	case map[interface{}]interface{}:
		ks := inCfg.(map[interface{}]interface{})
	keys:
		for key := range ks {
			for i := 0; i < refType.NumField(); i++ {
				sf := refType.Field(i)
				tv := sf.Tag.Get("yaml")
				if tv == key {
					if warn := hasUnrecognizedKeys(ks[key], sf.Type); warn {
						warnings = true
					}
					continue keys
				}
			}

			glog.Errorf("Unrecognized keyword: %v", key)
			warnings = true
		}
	case []interface{}:
		ks := inCfg.([]interface{})
		for i := range ks {
			if warn := hasUnrecognizedKeys(ks[i], refType.Elem()); warn {
				warnings = true
			}
		}
	default:
	}
	return
}
Ejemplo n.º 28
0
func addFields(m *Model, t reflect.Type, v reflect.Value) {
	for i := 0; i < t.NumField(); i++ {
		field := t.Field(i)
		sqlTag := field.Tag.Get("sql")
		if sqlTag == "-" {
			continue
		}
		if field.Anonymous && field.Type.Kind() == reflect.Struct {
			addFields(m, field.Type, v.Field(i))
			continue
		}
		parsedSqlTags := parseTags(sqlTag)
		rawValidateTag := field.Tag.Get("validate")
		parsedValidateTags := make(map[string]string)
		if len(rawValidateTag) > 0 {
			if rawValidateTag[:1] == "^" {
				parsedValidateTags["regexp"] = rawValidateTag
			} else {
				parsedValidateTags = parseTags(rawValidateTag)
			}
		}
		fd := &ModelField{
			Name:         toSnake(field.Name),
			Value:        v.FieldByName(field.Name).Interface(),
			SqlTags:      parsedSqlTags,
			ValidateTags: parsedValidateTags,
			RawTag:       field.Tag,
		}
		if fd.PrimaryKey() {
			m.Pk = fd
		}
		m.Fields = append(m.Fields, fd)
	}
}
Ejemplo n.º 29
0
// sizeof returns the size >= 0 of variables for the given type or -1 if the type is not acceptable.
func sizeof(t reflect.Type) int {
	switch t.Kind() {
	case reflect.Array:
		if s := sizeof(t.Elem()); s >= 0 {
			return s * t.Len()
		}

	case reflect.Struct:
		sum := 0
		for i, n := 0, t.NumField(); i < n; i++ {
			s := sizeof(t.Field(i).Type)
			if s < 0 {
				return -1
			}
			sum += s
		}
		return sum

	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
		reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
		reflect.Float32, reflect.Float64, reflect.Complex64, reflect.Complex128, reflect.Ptr:
		return int(t.Size())
	}

	return -1
}
Ejemplo n.º 30
0
// Create a fieldmap for a given type and return its fieldmap (or error)
func getFieldmap(t reflect.Type) (fm fieldmap, err error) {
	// if we have a fieldmap cached, return it
	t, err = BaseStructType(t)
	if err != nil {
		return nil, err
	}
	fm, ok := fieldmapCache[t]
	if ok {
		return fm, nil
	} else {
		fm = fieldmap{}
	}

	var f reflect.StructField
	var name string

	for i := 0; i < t.NumField(); i++ {
		f = t.Field(i)
		name = strings.ToLower(f.Name)
		if tag := f.Tag.Get("db"); tag != "" {
			name = tag
		}
		fm[name] = i
	}
	fieldmapCache[t] = fm
	return fm, nil
}