Function appendRawPaths

sjson.go:250–405

(buf []byte, jstr string, paths []pathResult, raw string,
	stringify, del bool)

var errNoChange = &errorType{"no change"}

func appendRawPaths(buf []byte, jstr string, paths []pathResult, raw string,
	stringify, del bool) ([]byte, error) {
	var err error
	var res gjson.Result
	var found bool
	if del {
		if paths[0].part == "-1" && !paths[0].force {
			res = gjson.Get(jstr, "#")
			if res.Int() > 0 {
				res = gjson.Get(jstr, strconv.FormatInt(int64(res.Int()-1), 10))
				found = true
			}
		}
	}
	if !found {
		res = gjson.Get(jstr, paths[0].gpart)
	}
	if res.Index > 0 {
		if len(paths) > 1 {
			buf = append(buf, jstr[:res.Index]...)
			buf, err = appendRawPaths(buf, res.Raw, paths[1:], raw,
				stringify, del)
			if err != nil {
				return nil, err
			}
			buf = append(buf, jstr[res.Index+len(res.Raw):]...)
			return buf, nil
		}
		buf = append(buf, jstr[:res.Index]...)
		var exidx int // additional forward stripping
		if del {
			var delNextComma bool
			buf, delNextComma = deleteTailItem(buf)
			if delNextComma {
				i, j := res.Index+len(res.Raw), 0
				for ; i < len(jstr); i, j = i+1, j+1 {
					if jstr[i] <= ' ' {
						continue
					}
					if jstr[i] == ',' {
						exidx = j + 1
					}
					break
				}
			}
		} else {
			if stringify {
				buf = appendStringify(buf, raw)
			} else {
				buf = append(buf, raw...)
			}
		}
		buf = append(buf, jstr[res.Index+len(res.Raw)+exidx:]...)
		return buf, nil
	}
	if del {
		return nil, errNoChange
	}