func (im *InceptionMain) Generate(packageName string, si []*StructInfo) error {
var err error
importName, err := getImportName(im.inputPath)
if err != nil {
return err
}
// for `go run` to work, we must have a file ending in ".go".
im.tempMain, err = TempFileWithPostfix("", "ffjson-inception", ".go")
if err != nil {
return err
}
im.TempMainPath = im.tempMain.Name()
sn := make([]string, 0)
for _, st := range si {
sn = append(sn, st.Name)
}
tc := &templateCtx{
ImportName: importName,
PackageName: packageName,
StructNames: sn,
InputPath: im.inputPath,
OutputPath: im.outputPath,
}
t := template.Must(template.New("inception.go").Parse(inceptionMainTemplate))
err = t.Execute(im.tempMain, tc)
if err != nil {
return err
}
out, err := shared.GoFmt(im.TempMainPath)
if err != nil {
return err
}
_, err = im.tempMain.Seek(0, 0)
if err != nil {
return err
}
err = im.tempMain.Truncate(0)
if err != nil {
return err
}
_, err = im.tempMain.Write(out.Bytes())
if err != nil {
return err
}
return nil
}
func RenderTemplate(ic *Inception) ([]byte, error) {
var keep = false
f, err := ioutil.TempFile("", "ffjson-fmt")
if err != nil {
return nil, err
}
defer func() {
if !keep {
os.Remove(f.Name())
}
}()
for pill, _ := range ic.OutputPills {
imports, funcBody, err := pills.GetPill(pill)
if err != nil {
return nil, err
}
for _, module := range imports {
ic.OutputImports[module] = true
}
ic.OutputFuncs = append(ic.OutputFuncs, funcBody)
}
t := template.Must(template.New("ffjson.go").Parse(ffjsonTemplate))
err = t.Execute(f, ic)
if err != nil {
return nil, err
}
out, err := shared.GoFmt(f.Name())
if err != nil {
keep = true
return nil, errors.New(fmt.Sprintf("Error formating: %s\n%v", f.Name(), err))
}
return out.Bytes(), nil
}