diff options
Diffstat (limited to 'parser')
-rw-r--r-- | parser/parser.go | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/parser/parser.go b/parser/parser.go new file mode 100644 index 0000000..8996b8c --- /dev/null +++ b/parser/parser.go @@ -0,0 +1,88 @@ +package parser + +import ( + "strconv" + "strings" + "time" +) + +type ( + // https://wiki.alpinelinux.org/wiki/Apk_spec + Entry struct { + Checksum string // C + Version string // V + Name string // P + Architecture *string // A + PackageSize int // S + InstalledSize int // I + Description string // T + Url string // U + License string // L + Origin *string // o + Maintainer *string // m + BuildTime *time.Time // t + Commit *string // c + ProviderPriority *int // k + Dependencies []string // D + Provides []string // p + InstallIf []string // i + } +) + +func ptr[T any](v T) *T { + return &v +} + +func split(line string) (string, string) { + parts := strings.SplitN(line, ":", 2) + return parts[0], parts[1] +} + +func toInt(v string) int { + i, _ := strconv.Atoi(v) + return i +} + +func Parse(lines []string) *Entry { + entry := &Entry{} + for _, line := range lines { + r, c := split(line) + switch r { + case "C": + entry.Checksum = c + case "V": + entry.Version = c + case "P": + entry.Name = c + case "A": + entry.Architecture = &c + case "S": + entry.PackageSize = toInt(c) + case "I": + entry.InstalledSize = toInt(c) + case "T": + entry.Description = c + case "U": + entry.Url = c + case "L": + entry.License = c + case "o": + entry.Origin = &c + case "m": + entry.Maintainer = &c + case "t": + entry.BuildTime = ptr(time.Unix(int64(toInt(c)), 0)) + case "c": + entry.Commit = &c + case "k": + entry.ProviderPriority = ptr(toInt(c)) + case "D": + entry.Dependencies = strings.Split(c, " ") + case "p": + entry.Dependencies = strings.Split(c, " ") + case "i": + entry.Dependencies = strings.Split(c, " ") + } + } + return entry +} |