anpi/parser/parser.go (view raw)
| 1 | package parser |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | "maps" |
| 6 | |
| 7 | "gopkg.in/yaml.v3" |
| 8 | ) |
| 9 | |
| 10 | type DeckImport struct { |
| 11 | Deck string `yaml:"deck"` |
| 12 | Type string `yaml:"type"` |
| 13 | Tags []string `yaml:"tags"` |
| 14 | Fields map[string]string `yaml:"fields"` |
| 15 | Notes []Note `yaml:"notes"` |
| 16 | |
| 17 | // fieldLookUp internal reserve mapping of [Fields] |
| 18 | fieldLookUp map[string]string |
| 19 | } |
| 20 | |
| 21 | func (d *DeckImport) FieldLookUp(field string) string { |
| 22 | // TODO: use ok notation here |
| 23 | |
| 24 | val := d.fieldLookUp[field] |
| 25 | return val |
| 26 | } |
| 27 | |
| 28 | func (d *DeckImport) Validate() error { |
| 29 | return nil |
| 30 | } |
| 31 | |
| 32 | func (d *DeckImport) buildLookUpTable() { |
| 33 | d.fieldLookUp = make(map[string]string) |
| 34 | maps.Copy(d.Fields, d.fieldLookUp) |
| 35 | } |
| 36 | |
| 37 | type Note struct { |
| 38 | Fields map[string]string |
| 39 | Tags []string |
| 40 | } |
| 41 | |
| 42 | func (n *Note) UnmarshalYAML(value *yaml.Node) error { |
| 43 | var raw map[string]any |
| 44 | if err := value.Decode(&raw); err != nil { |
| 45 | return err |
| 46 | } |
| 47 | |
| 48 | n.Fields = make(map[string]string) |
| 49 | for k, v := range raw { |
| 50 | if k == "tags" { |
| 51 | if tags, ok := v.([]string); ok { |
| 52 | n.Tags = append(n.Tags, tags...) |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | if str, ok := v.(string); ok { |
| 57 | n.Fields[k] = str |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | return nil |
| 62 | } |
| 63 | |
| 64 | var ErrInvalidFileFormat = errors.New("invalid file format") |
| 65 | |
| 66 | func Parse(inp []byte) ([]DeckImport, error) { |
| 67 | var listRes []DeckImport |
| 68 | if err := yaml.Unmarshal(inp, &listRes); err == nil { |
| 69 | for i := range listRes { |
| 70 | listRes[i].buildLookUpTable() |
| 71 | } |
| 72 | return listRes, nil |
| 73 | } |
| 74 | |
| 75 | var single DeckImport |
| 76 | if err := yaml.Unmarshal(inp, &single); err == nil { |
| 77 | single.buildLookUpTable() |
| 78 | return []DeckImport{single}, nil |
| 79 | } |
| 80 | |
| 81 | return nil, ErrInvalidFileFormat |
| 82 | } |