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author | Paul Duncan <pabs@pablotron.org> | 2022-02-01 01:34:16 -0500 |
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committer | Paul Duncan <pabs@pablotron.org> | 2022-02-01 01:34:16 -0500 |
commit | 58d86c1dcbc27772bf9eb91817091e6b430b90e8 (patch) | |
tree | d9874a08ffef125a6392433b20d1551226d5b2a9 /internal/feed/dataversion.go | |
parent | b21b93ddda2f94d38c62d2c8aacc3b4b193c7742 (diff) | |
download | cvez-58d86c1dcbc27772bf9eb91817091e6b430b90e8.tar.bz2 cvez-58d86c1dcbc27772bf9eb91817091e6b430b90e8.zip |
add internal/feed/dataversion*go
Diffstat (limited to 'internal/feed/dataversion.go')
-rw-r--r-- | internal/feed/dataversion.go | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/internal/feed/dataversion.go b/internal/feed/dataversion.go new file mode 100644 index 0000000..c6f1b8d --- /dev/null +++ b/internal/feed/dataversion.go @@ -0,0 +1,36 @@ +package feed + +//go:generate stringer -linecomment -type=DataVersion + +import ( + "encoding/json" + "fmt" +) + +// Data version for NVD feeds and feed items. +type DataVersion byte + +const ( + V40 DataVersion = iota // 4.0 +) + +// Unmarshal data version from JSON. +func (me *DataVersion) UnmarshalJSON(b []byte) error { + // decode string, check for error + var s string + if err := json.Unmarshal(b, &s); err != nil { + return err + } + + // check value + switch s { + case "4.0": + *me = V40 + default: + // return error + return fmt.Errorf("unknown data version: %s", s) + } + + // return success + return nil +} |