func (scp *schemaParser) parseAllOfMember(gofile *ast.File, schema *spec.Schema, expr ast.Expr, seenPreviously map[string]struct{}) error {
// TODO: check if struct is annotated with swagger:model or known in the definitions otherwise
var pkg *loader.PackageInfo
var file *ast.File
var gd *ast.GenDecl
var ts *ast.TypeSpec
var err error
switch tpe := expr.(type) {
case *ast.Ident:
// do lookup of type
// take primitives into account, they should result in an error for swagger
pkg, err = scp.packageForFile(gofile)
if err != nil {
return err
}
file, gd, ts, err = findSourceFile(pkg, tpe.Name)
if err != nil {
return err
}
case *ast.SelectorExpr:
// look up package, file and then type
pkg, err = scp.packageForSelector(gofile, tpe.X)
if err != nil {
return fmt.Errorf("embedded struct: %v", err)
}
file, gd, ts, err = findSourceFile(pkg, tpe.Sel.Name)
if err != nil {
return fmt.Errorf("embedded struct: %v", err)
}
default:
return fmt.Errorf("unable to resolve allOf member for: %v\n", expr)
}
sd := newSchemaDecl(file, gd, ts)
if sd.hasAnnotation() {
ref, err := spec.NewRef("#/definitions/" + sd.Name)
if err != nil {
return err
}
schema.Ref = ref
scp.postDecls = append(scp.postDecls, *sd)
} else {
if st, ok := ts.Type.(*ast.StructType); ok {
return scp.parseStructType(file, schema, st, seenPreviously)
}
}
return nil
}
func (scp *schemaParser) parseStructType(gofile *ast.File, bschema *spec.Schema, tpe *ast.StructType, seenPreviously map[string]struct{}) error {
if tpe.Fields != nil {
var schema *spec.Schema
seenProperties := seenPreviously
for _, fld := range tpe.Fields.List {
if len(fld.Names) == 0 {
// if this created an allOf property then we have to rejig the schema var
// because all the fields collected that aren't from embedded structs should go in
// their own proper schema
// first process embedded structs in order of embedding
if allOfMember(fld.Doc) {
if schema == nil {
schema = new(spec.Schema)
}
var newSch spec.Schema
// when the embedded struct is annotated with swagger:allOf it will be used as allOf property
// otherwise the fields will just be included as normal properties
if err := scp.parseAllOfMember(gofile, &newSch, fld.Type, seenProperties); err != nil {
return err
}
bschema.AllOf = append(bschema.AllOf, newSch)
continue
}
if schema == nil {
schema = bschema
}
// when the embedded struct is annotated with swagger:allOf it will be used as allOf property
// otherwise the fields will just be included as normal properties
if err := scp.parseEmbeddedStruct(gofile, schema, fld.Type, seenProperties); err != nil {
return err
}
}
}
if schema != nil && len(bschema.AllOf) > 0 {
bschema.AllOf = append(bschema.AllOf, *schema)
}
if schema == nil {
schema = bschema
}
// then add and possibly override values
if schema.Properties == nil {
schema.Properties = make(map[string]spec.Schema)
}
schema.Typed("object", "")
for _, fld := range tpe.Fields.List {
if len(fld.Names) > 0 && fld.Names[0] != nil && fld.Names[0].IsExported() {
var nm, gnm string
nm = fld.Names[0].Name
gnm = nm
if fld.Tag != nil && len(strings.TrimSpace(fld.Tag.Value)) > 0 {
tv, err := strconv.Unquote(fld.Tag.Value)
if err != nil {
return err
}
if strings.TrimSpace(tv) != "" {
st := reflect.StructTag(tv)
if st.Get("json") != "" {
nm = strings.Split(st.Get("json"), ",")[0]
}
}
}
ps := schema.Properties[nm]
if err := parseProperty(scp, gofile, fld.Type, schemaTypable{&ps}); err != nil {
return err
}
sp := new(sectionedParser)
sp.setDescription = func(lines []string) { ps.Description = joinDropLast(lines) }
if ps.Ref.GetURL() == nil {
sp.taggers = []tagParser{
newSingleLineTagParser("maximum", &setMaximum{schemaValidations{&ps}, rxf(rxMaximumFmt, "")}),
newSingleLineTagParser("minimum", &setMinimum{schemaValidations{&ps}, rxf(rxMinimumFmt, "")}),
newSingleLineTagParser("multipleOf", &setMultipleOf{schemaValidations{&ps}, rxf(rxMultipleOfFmt, "")}),
newSingleLineTagParser("minLength", &setMinLength{schemaValidations{&ps}, rxf(rxMinLengthFmt, "")}),
newSingleLineTagParser("maxLength", &setMaxLength{schemaValidations{&ps}, rxf(rxMaxLengthFmt, "")}),
newSingleLineTagParser("pattern", &setPattern{schemaValidations{&ps}, rxf(rxPatternFmt, "")}),
newSingleLineTagParser("minItems", &setMinItems{schemaValidations{&ps}, rxf(rxMinItemsFmt, "")}),
newSingleLineTagParser("maxItems", &setMaxItems{schemaValidations{&ps}, rxf(rxMaxItemsFmt, "")}),
newSingleLineTagParser("unique", &setUnique{schemaValidations{&ps}, rxf(rxUniqueFmt, "")}),
newSingleLineTagParser("required", &setRequiredSchema{schema, nm}),
newSingleLineTagParser("readOnly", &setReadOnlySchema{&ps}),
}
// check if this is a primitive, if so parse the validations from the
// doc comments of the slice declaration.
if ftpe, ok := fld.Type.(*ast.ArrayType); ok {
if iftpe, ok := ftpe.Elt.(*ast.Ident); ok && iftpe.Obj == nil {
if ps.Items != nil && ps.Items.Schema != nil {
itemsTaggers := []tagParser{
newSingleLineTagParser("itemsMaximum", &setMaximum{schemaValidations{ps.Items.Schema}, rxf(rxMaximumFmt, rxItemsPrefix)}),
newSingleLineTagParser("itemsMinimum", &setMinimum{schemaValidations{ps.Items.Schema}, rxf(rxMinimumFmt, rxItemsPrefix)}),
newSingleLineTagParser("itemsMultipleOf", &setMultipleOf{schemaValidations{ps.Items.Schema}, rxf(rxMultipleOfFmt, rxItemsPrefix)}),
newSingleLineTagParser("itemsMinLength", &setMinLength{schemaValidations{ps.Items.Schema}, rxf(rxMinLengthFmt, rxItemsPrefix)}),
newSingleLineTagParser("itemsMaxLength", &setMaxLength{schemaValidations{ps.Items.Schema}, rxf(rxMaxLengthFmt, rxItemsPrefix)}),
newSingleLineTagParser("itemsPattern", &setPattern{schemaValidations{ps.Items.Schema}, rxf(rxPatternFmt, rxItemsPrefix)}),
newSingleLineTagParser("itemsMinItems", &setMinItems{schemaValidations{ps.Items.Schema}, rxf(rxMinItemsFmt, rxItemsPrefix)}),
newSingleLineTagParser("itemsMaxItems", &setMaxItems{schemaValidations{ps.Items.Schema}, rxf(rxMaxItemsFmt, rxItemsPrefix)}),
newSingleLineTagParser("itemsUnique", &setUnique{schemaValidations{ps.Items.Schema}, rxf(rxUniqueFmt, rxItemsPrefix)}),
}
// items matchers should go before the default matchers so they match first
sp.taggers = append(itemsTaggers, sp.taggers...)
}
}
}
} else {
sp.taggers = []tagParser{
newSingleLineTagParser("required", &setRequiredSchema{schema, nm}),
}
}
if err := sp.Parse(fld.Doc); err != nil {
return err
}
if nm != gnm {
ps.AddExtension("x-go-name", gnm)
}
seenProperties[nm] = struct{}{}
schema.Properties[nm] = ps
}
}
for k := range schema.Properties {
if _, ok := seenProperties[k]; !ok {
delete(schema.Properties, k)
}
}
}
return nil
}