Function GenerateInlinedSpec

pkg/codegen/inline.go:29–78

GenerateInlinedSpec generates a gzipped, base64 encoded JSON representation of the swagger definition, which we embed inside the generated code.

(t *template.Template, importMapping importMap, swagger *openapi3.T)

// GenerateInlinedSpec generates a gzipped, base64 encoded JSON representation of the
// swagger definition, which we embed inside the generated code.
func GenerateInlinedSpec(t *template.Template, importMapping importMap, swagger *openapi3.T) (string, error) {
	// ensure that any external file references are embedded into the embedded spec
	swagger.InternalizeRefs(context.Background(), nil)
	// Marshal to json
	encoded, err := swagger.MarshalJSON()
	if err != nil {
		return "", fmt.Errorf("error marshaling swagger: %w", err)
	}

	// flate
	var buf bytes.Buffer
	zw, err := flate.NewWriter(&buf, flate.BestCompression)
	if err != nil {
		return "", fmt.Errorf("new flate writer: %w", err)
	}

	if _, err := zw.Write(encoded); err != nil {
		return "", fmt.Errorf("write flate: %w", err)
	}

	if err := zw.Close(); err != nil {
		return "", fmt.Errorf("close flate writer: %w", err)
	}

	str := base64.StdEncoding.EncodeToString(buf.Bytes())

	var parts []string
	const width = 80

	// Chop up the string into an array of strings.
	for len(str) > width {
		part := str[0:width]
		parts = append(parts, part)
		str = str[width:]
	}
	if len(str) > 0 {
		parts = append(parts, str)
	}

	return GenerateTemplates(
		[]string{"inline.tmpl"},
		t,
		struct {
			SpecParts     []string
			ImportMapping importMap
		}{
			SpecParts:     parts,
			ImportMapping: importMapping,
		})
}