func TestGenGoObjcWrappers(t *testing.T) {
if runtime.GOOS != "darwin" {
t.Skipf("can only generate objc wrappers on darwin")
}
for _, filename := range objcTests {
var buf bytes.Buffer
refs := fileRefs(t, filename, "ObjC/")
types, err := objc.Import(refs)
if err != nil {
t.Fatal(err)
}
tmpGopath, err := ioutil.TempDir(os.TempDir(), "gomobile-bind-test-")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpGopath)
cg := genObjcPackages(t, tmpGopath, types, &buf)
pkg := typeCheck(t, filename, tmpGopath)
cg.GenGo()
testGenGo(t, filename, &buf, pkg)
}
}
func GenObjcWrappers(pkgs []*build.Package, srcDir, pkgGen string) ([]*objc.Named, error) {
refs, err := importers.AnalyzePackages(pkgs, "ObjC/")
if err != nil {
return nil, err
}
types, err := objc.Import(refs)
if err != nil {
return nil, err
}
var buf bytes.Buffer
g := &bind.ObjcWrapper{
Printer: &bind.Printer{
IndentEach: []byte("\t"),
Buf: &buf,
},
}
g.Init(types)
for i, name := range g.Packages() {
pkgDir := filepath.Join(pkgGen, "src", "ObjC", name)
if err := os.MkdirAll(pkgDir, 0700); err != nil {
return nil, err
}
pkgFile := filepath.Join(pkgDir, "package.go")
generate := func(w io.Writer) error {
if buildN {
return nil
}
buf.Reset()
g.GenPackage(i)
_, err := io.Copy(w, &buf)
return err
}
if err := writeFile(pkgFile, generate); err != nil {
return nil, fmt.Errorf("failed to create the ObjC wrapper package %s: %v", name, err)
}
}
generate := func(w io.Writer) error {
if buildN {
return nil
}
buf.Reset()
g.GenGo()
_, err := io.Copy(w, &buf)
return err
}
if err := writeFile(filepath.Join(srcDir, "interfaces.go"), generate); err != nil {
return nil, fmt.Errorf("failed to create the ObjC wrapper Go file: %v", err)
}
generate = func(w io.Writer) error {
if buildN {
return nil
}
buf.Reset()
g.GenInterfaces()
_, err := io.Copy(w, &buf)
return err
}
if err := writeFile(filepath.Join(pkgGen, "src", "ObjC", "interfaces.go"), generate); err != nil {
return nil, fmt.Errorf("failed to create the ObjC wrapper Go file: %v", err)
}
generate = func(w io.Writer) error {
if buildN {
return nil
}
buf.Reset()
g.GenH()
_, err := io.Copy(w, &buf)
return err
}
if err := writeFile(filepath.Join(srcDir, "interfaces.h"), generate); err != nil {
return nil, fmt.Errorf("failed to create the ObjC wrapper header file: %v", err)
}
generate = func(w io.Writer) error {
if buildN {
return nil
}
buf.Reset()
g.GenM()
_, err := io.Copy(w, &buf)
return err
}
if err := writeFile(filepath.Join(srcDir, "interfaces.m"), generate); err != nil {
return nil, fmt.Errorf("failed to create the Java classes ObjC file: %v", err)
}
return types, nil
}