// NewGenerator initializes a Generator
func NewGenerator(pkg, target string) (*Generator, error) {
var err error
if pkg == "" || pkg[0] == '.' {
pkg, err = filepath.Abs(filepath.Clean(pkg))
if err != nil {
return nil, err
}
pkg = gogenutil.StripGopath(pkg)
}
p, err := importer.Default().Import(pkg)
if err != nil {
return nil, err
}
obj := p.Scope().Lookup(target)
if obj == nil {
return nil, fmt.Errorf("struct %s missing", target)
}
if _, ok := obj.Type().Underlying().(*types.Struct); !ok {
return nil, fmt.Errorf("%s should be an struct, was %s", target, obj.Type().Underlying())
}
return &Generator{
targetName: target,
pkg: p,
target: obj.Type().Underlying().(*types.Struct),
}, nil
}
func (i *customImporter) Import(path string) (*types.Package, error) {
var err error
if path == "" || path[0] == '.' {
path, err = filepath.Abs(filepath.Clean(path))
if err != nil {
return nil, err
}
path = gogenutil.StripGopath(path)
}
if pkg, ok := i.imported[path]; ok {
return pkg, nil
}
pkg, err := i.fsPkg(path)
if err != nil {
return nil, err
}
i.imported[path] = pkg
return pkg, nil
}