Function genCodeLayout

codegen.go:200–286

(g *layoutCodeGen)

const methodReceiverName = "up"

func genCodeLayout(g *layoutCodeGen) ([]byte, error) {
	// FIXME(paulsmith): need way to specify this as user
	packageName := "build"

	g.outPrintf("// this file is mechanically generated, do not edit!\n")
	g.outPrintf("// version: ")
	printVersion(&g.outb)
	g.outPrintf("\n")
	g.outPrintf("package %s\n\n", packageName)

	type field struct {
		name string
		typ  string
	}

	fields := []field{}

	typename := generatedTypename(g.pfile, upFileLayout)

	g.bodyPrintf("type %s struct {\n", typename)
	for _, field := range fields {
		g.bodyPrintf("%s %s\n", field.name, field.typ)
	}
	g.bodyPrintf("}\n")

	g.bodyPrintf("func (%s *%s) buildCliArgs() []string {\n", methodReceiverName, typename)
	g.bodyPrintf("  return %#v\n", os.Args)
	g.bodyPrintf("}\n\n")

	g.bodyPrintf("func init() {\n")
	g.bodyPrintf("  layouts[\"%s\"] = new(%s)\n", layoutName(g.pfile.relpath()), typename)
	g.bodyPrintf("}\n\n")

	g.used("net/http", "html/template")
	g.bodyPrintf("func (%s *%s) Respond(w http.ResponseWriter, req *http.Request, sections map[string]chan template.HTML) error {\n", methodReceiverName, typename)

	// sections support
	g.used("html/template")
	g.bodyPrintf(`
sectionDefined := func(name string) bool {
	_, ok := sections[name]
	return ok
}
_ = sectionDefined

outputSection := func(name string) template.HTML {
	return <-sections[name]
}
`)

	// Make a new scope for the user's code block and HTML. This will help (but not fully prevent)
	// name collisions with the surrounding code.
	g.bodyPrintf("\n// Begin user Go code and HTML\n")
	g.bodyPrintf("{\n")

	g.generate()

	// Close the scope we started for the user code and HTML.