(v []byte)
| 85 | } |
| 86 | |
| 87 | func jsonTypeFromRootBuffer(v []byte) ([]byte, Type, error) { |
| 88 | // Root buffers always have a container header. |
| 89 | containerHeader, err := getUint32At(v, 0) |
| 90 | if err != nil { |
| 91 | return v, 0, err |
| 92 | } |
| 93 | typeTag := containerHeader & containerHeaderTypeMask |
| 94 | switch typeTag { |
| 95 | case arrayContainerTag: |
| 96 | return v, ArrayJSONType, nil |
| 97 | case objectContainerTag: |
| 98 | return v, ObjectJSONType, nil |
| 99 | case scalarContainerTag: |
| 100 | entry, err := getUint32At(v, containerHeaderLen) |
| 101 | if err != nil { |
| 102 | return v, 0, err |
| 103 | } |
| 104 | switch entry & jEntryTypeMask { |
| 105 | case nullTag: |
| 106 | return v[containerHeaderLen+jEntryLen:], NullJSONType, nil |
| 107 | case trueTag: |
| 108 | return v[containerHeaderLen+jEntryLen:], TrueJSONType, nil |
| 109 | case falseTag: |
| 110 | return v[containerHeaderLen+jEntryLen:], FalseJSONType, nil |
| 111 | case numberTag: |
| 112 | return v[containerHeaderLen+jEntryLen:], NumberJSONType, nil |
| 113 | case stringTag: |
| 114 | return v[containerHeaderLen+jEntryLen:], StringJSONType, nil |
| 115 | } |
| 116 | } |
| 117 | return nil, 0, errors.AssertionFailedf("unknown json type %d", errors.Safe(typeTag)) |
| 118 | } |
| 119 | |
| 120 | func newEncoded(e jEntry, v []byte) (JSON, error) { |
| 121 | var typ Type |
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