Enum MediaType 

pub enum MediaType {
    OciManifest,
    OciIndex,
    OciConfig,
    OciLayerGzip,
    OciLayer,
    OciLayerZstd,
    OciLayerNondistributable,
    OciLayerNondistributableGzip,
    OciLayerNondistributableZstd,
    OciEmptyJson,
    DockerManifest,
    DockerManifestList,
    DockerConfig,
    DockerLayerGzip,
    DockerForeignLayer,
    Other(String),
}

Known media types for OCI and Docker images.

Variants

OciManifest

OCI image manifest.

OciIndex

OCI image index (multi-arch).

OciConfig

OCI image config.

OciLayerGzip

OCI layer (gzip compressed).

OciLayer

OCI layer (uncompressed).

OciLayerZstd

OCI layer (zstd compressed).

OciLayerNondistributable

OCI non-distributable layer (uncompressed, deprecated).

OciLayerNondistributableGzip

OCI non-distributable layer (gzip, deprecated).

OciLayerNondistributableZstd

OCI non-distributable layer (zstd, deprecated).

OciEmptyJson

OCI empty/scratch config descriptor.

DockerManifest

Docker v2 schema 2 manifest.

DockerManifestList

Docker manifest list.

DockerConfig

Docker container config.

DockerLayerGzip

Docker layer (gzip compressed).

DockerForeignLayer

Docker foreign/non-distributable layer.

Other(String)

Unknown or custom media type.

Implementations

impl MediaType

pub fn as_str(&self) -> &str

Returns the string representation of the media type.

pub fn is_manifest(&self) -> bool

Returns true if this is a manifest type (single image).

pub fn is_index(&self) -> bool

Returns true if this is an index/manifest list type (multi-arch).

pub fn is_config(&self) -> bool

Returns true if this is a config type.

pub fn is_layer(&self) -> bool

Returns true if this is a layer type (distributable or not).

pub fn is_nondistributable(&self) -> bool

Returns true if this is a non-distributable/foreign layer type.

pub fn to_oci(&self) -> MediaType

Returns the OCI equivalent of this media type, if applicable.

pub fn to_docker(&self) -> MediaType

Returns the Docker equivalent of this media type, if applicable.

Note: This only changes the media type string. It does NOT transform the actual content. For layers with incompatible compression formats (uncompressed, zstd), this will return the same media type unchanged since Docker does not support those formats.

pub fn is_docker_compatible(&self) -> bool

Returns true if this media type can be safely converted to Docker format.

Returns false for OCI-specific compression formats that Docker doesn’t support.

Trait Implementations

impl Clone for MediaType

fn clone(&self) -> MediaType

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MediaType

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for MediaType

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for MediaType

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl FromStr for MediaType

type Err = Error

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl Hash for MediaType

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for MediaType

fn eq(&self, other: &MediaType) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for MediaType

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl Eq for MediaType

impl StructuralPartialEq for MediaType