func packageFromInfo(prog *loader.Program, pkgInfo *loader.PackageInfo) *Package {
files := map[string]*ast.File{}
for _, f := range pkgInfo.Files {
files[prog.Fset.File(f.Pos()).Name()] = f
}
// Ignore (perhaps) "unresolved identifier" errors
astPkg, _ := ast.NewPackage(prog.Fset, files, nil, nil)
var mode doc.Mode
docPkg := doc.New(astPkg, pkgInfo.String(), mode)
return NewPackage(prog.Fset, docPkg, pkgInfo.Pkg)
}
func findSourceFile(pkg *loader.PackageInfo, typeName string) (*ast.File, *ast.GenDecl, *ast.TypeSpec, error) {
for _, file := range pkg.Files {
for _, decl := range file.Decls {
if gd, ok := decl.(*ast.GenDecl); ok {
for _, gs := range gd.Specs {
if ts, ok := gs.(*ast.TypeSpec); ok {
strfmtNme, isStrfmt := strfmtName(gd.Doc)
if (isStrfmt && strfmtNme == typeName) || ts.Name != nil && ts.Name.Name == typeName {
return file, gd, ts, nil
}
}
}
}
}
}
return nil, nil, nil, fmt.Errorf("unable to find %s in %s", typeName, pkg.String())
}
func (scp *schemaParser) parseIdentProperty(pkg *loader.PackageInfo, expr *ast.Ident, prop swaggerTypable) error {
// find the file this selector points to
file, gd, ts, err := findSourceFile(pkg, expr.Name)
if err != nil {
err := swaggerSchemaForType(expr.Name, prop)
if err != nil {
return fmt.Errorf("package %s, error is: %v", pkg.String(), err)
}
return nil
}
if at, ok := ts.Type.(*ast.ArrayType); ok {
// the swagger spec defines strfmt base64 as []byte.
// in that case we don't actually want to turn it into an array
// but we want to turn it into a string
if _, ok := at.Elt.(*ast.Ident); ok {
if strfmtName, ok := strfmtName(gd.Doc); ok {
prop.Typed("string", strfmtName)
return nil
}
}
// this is a selector, so most likely not base64
if strfmtName, ok := strfmtName(gd.Doc); ok {
prop.Items().Typed("string", strfmtName)
return nil
}
}
// look at doc comments for swagger:strfmt [name]
// when found this is the format name, create a schema with that name
if strfmtName, ok := strfmtName(gd.Doc); ok {
prop.Typed("string", strfmtName)
return nil
}
switch tpe := ts.Type.(type) {
case *ast.ArrayType:
switch atpe := tpe.Elt.(type) {
case *ast.Ident:
return scp.parseIdentProperty(pkg, atpe, prop.Items())
case *ast.SelectorExpr:
return scp.typeForSelector(file, atpe, prop.Items())
case *ast.StarExpr:
return parseProperty(scp, file, atpe.X, prop.Items())
default:
return fmt.Errorf("unknown selector type: %#v", atpe)
}
case *ast.StructType:
sd := newSchemaDecl(file, gd, ts)
sd.inferNames()
ref, err := spec.NewRef("#/definitions/" + sd.Name)
if err != nil {
return err
}
prop.SetRef(ref)
scp.postDecls = append(scp.postDecls, *sd)
return nil
case *ast.Ident:
return scp.parseIdentProperty(pkg, tpe, prop)
case *ast.SelectorExpr:
return scp.typeForSelector(file, tpe, prop)
case *ast.InterfaceType:
sd := newSchemaDecl(file, gd, ts)
sd.inferNames()
ref, err := spec.NewRef("#/definitions/" + sd.Name)
if err != nil {
return err
}
prop.SetRef(ref)
scp.postDecls = append(scp.postDecls, *sd)
return nil
default:
err := swaggerSchemaForType(expr.Name, prop)
if err != nil {
return fmt.Errorf("package %s, error is: %v", pkg.String(), err)
}
return nil
}
}