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
}
// 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
}
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
}
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
}
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
}
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
}
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
}
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
}
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)
}
}
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())
}
}
}
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
}
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
}
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
}
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)
}
}
}
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)
}
}
}
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
}
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
}
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
}
// 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
}
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)
}
}
}
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
}
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)
}
}
}
}
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())
}
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
}
}
}
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
}
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}
}
// 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
}
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)
}
}
// 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
}
// 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
}
