| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package image |
| |
| import ( |
| "encoding/hex" |
| "encoding/json" |
| |
| "github.com/apache/mynewt-artifact/errors" |
| ) |
| |
| func (h *ImageHdr) Map(offset int) map[string]interface{} { |
| return map[string]interface{}{ |
| "_offset": offset, |
| "flags": h.Flags, |
| "hdr_sz": h.HdrSz, |
| "img_sz": h.ImgSz, |
| "magic": h.Magic, |
| "vers": h.Vers.String(), |
| } |
| } |
| |
| func rawBodyMap(offset int) map[string]interface{} { |
| return map[string]interface{}{ |
| "_offset": offset, |
| } |
| } |
| |
| func (t *ImageTrailer) Map(offset int) map[string]interface{} { |
| return map[string]interface{}{ |
| "_offset": offset, |
| "magic": t.Magic, |
| "tlv_tot_len": t.TlvTotLen, |
| } |
| } |
| |
| func (t *ImageTlv) Map(index int, offset int) map[string]interface{} { |
| return map[string]interface{}{ |
| "_index": index, |
| "_offset": offset, |
| "_typestr": ImageTlvTypeName(t.Header.Type), |
| "data": hex.EncodeToString(t.Data), |
| "len": t.Header.Len, |
| "type": t.Header.Type, |
| } |
| } |
| |
| // Map produces a JSON-friendly map representation of an image. |
| func (img *Image) Map() (map[string]interface{}, error) { |
| offs, err := img.Offsets() |
| if err != nil { |
| return nil, err |
| } |
| |
| m := map[string]interface{}{} |
| m["header"] = img.Header.Map(offs.Header) |
| m["body"] = rawBodyMap(offs.Body) |
| trailer := img.Trailer() |
| m["trailer"] = trailer.Map(offs.Trailer) |
| |
| tlvMaps := []map[string]interface{}{} |
| for i, tlv := range img.Tlvs { |
| tlvMaps = append(tlvMaps, tlv.Map(i, offs.Tlvs[i])) |
| } |
| m["tlvs"] = tlvMaps |
| |
| return m, nil |
| } |
| |
| // Json produces a JSON representation of an image. |
| func (img *Image) Json() (string, error) { |
| m, err := img.Map() |
| if err != nil { |
| return "", err |
| } |
| |
| b, err := json.MarshalIndent(m, "", " ") |
| if err != nil { |
| return "", errors.Wrapf(err, "failed to marshal image") |
| } |
| |
| return string(b), nil |
| } |