use std::{convert::TryFrom, fmt}; use git_hash::{oid, ObjectId};use git_object::bstr::BStr; use crate::{FullName, Kind, Target, TargetRef}; impl<'a> TargetRef<'a> { /// Returns the kind of the target the ref is pointing to. pub fn kind(&self) -> Kind { match self { TargetRef::Symbolic(_) => Kind::Symbolic, TargetRef::Peeled(_) => Kind::Peeled, } } /// Interpret this target as object id which maybe `None` if it is symbolic. pub fn as_id(&self) -> Option<&oid> { match self { TargetRef::Symbolic(_) => None, TargetRef::Peeled(oid) => Some(oid), } } /// Interpret this target as object id or panic if it is symbolic. pub fn id(&self) -> &oid { match self { TargetRef::Symbolic(_) => panic!("BUG: tries to obtain object id from symbolic target"), TargetRef::Peeled(oid) => oid, } } /// Interpret this target as name of the reference it points to which maybe `None` if it an object id. pub fn as_name(&self) -> Option<&BStr> { match self { TargetRef::Symbolic(path) => Some(path.as_bstr()), TargetRef::Peeled(_) => None, } } /// Convert this instance into an owned version, without consuming it. pub fn into_owned(self) -> crate::Target { self.into() }} impl Target { /// Returns the kind of the target the ref is pointing to. pub fn kind(&self) -> Kind { match self { Target::Symbolic(_) => Kind::Symbolic, Target::Peeled(_) => Kind::Peeled, } } /// Return true if this is a peeled target with a null hash pub fn is_null(&self) -> bool { match self { Target::Peeled(oid) => oid.is_null(), Target::Symbolic(_) => false, } } /// Interpret this owned Target as shared Target pub fn to_ref(&self) -> crate::TargetRef<'_> { match self { Target::Peeled(oid) => crate::TargetRef::Peeled(oid), Target::Symbolic(name) => crate::TargetRef::Symbolic(name.to_ref()), } } /// Interpret this target as object id which maybe `None` if it is symbolic. pub fn as_id(&self) -> Option<&oid> { match self { Target::Symbolic(_) => None, Target::Peeled(oid) => Some(oid), } } /// Interpret this target as object id or panic if it is symbolic. pub fn id(&self) -> &oid { match self { Target::Symbolic(_) => panic!("BUG: tries to obtain object id from symbolic target"), Target::Peeled(oid) => oid, } } /// Return the contained object id or panic pub fn into_id(self) -> ObjectId { match self { Target::Symbolic(_) => panic!("BUG: expected peeled reference target but found symbolic one"), Target::Peeled(oid) => oid, } } /// Return the contained object id if the target is peeled or itself if it is not. pub fn try_into_id(self) -> Result<ObjectId, Self> { match self { Target::Symbolic(_) => Err(self), Target::Peeled(oid) => Ok(oid), } } /// Interpret this target as name of the reference it points to which maybe `None` if it an object id. pub fn as_name(&self) -> Option<&BStr> { match self { Target::Symbolic(name) => Some(name.as_bstr()), Target::Peeled(_) => None, } }} impl<'a> From<crate::TargetRef<'a>> for Target { fn from(src: crate::TargetRef<'a>) -> Self { match src { crate::TargetRef::Peeled(oid) => Target::Peeled(oid.to_owned()), crate::TargetRef::Symbolic(name) => Target::Symbolic(name.to_owned()), } }} impl<'a> PartialEq<crate::TargetRef<'a>> for Target { fn eq(&self, other: &crate::TargetRef<'a>) -> bool { match (self, other) { (Target::Peeled(lhs), crate::TargetRef::Peeled(rhs)) => lhs == rhs, (Target::Symbolic(lhs), crate::TargetRef::Symbolic(rhs)) => lhs.as_bstr() == rhs.as_bstr(), _ => false, } }} impl From<ObjectId> for Target { fn from(id: ObjectId) -> Self { Target::Peeled(id) }} impl TryFrom<Target> for ObjectId { type Error = Target; fn try_from(value: Target) -> Result<Self, Self::Error> { match value { Target::Peeled(id) => Ok(id), Target::Symbolic(_) => Err(value), } }} impl From<FullName> for Target { fn from(name: FullName) -> Self { Target::Symbolic(name) }} impl fmt::Display for Target { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self { Target::Peeled(oid) => oid.fmt(f), Target::Symbolic(name) => write!(f, "ref: {}", name.as_bstr()), } }}
use std::{convert::TryFrom, fmt};
use git_hash::{oid, ObjectId};
use git_object::bstr::BStr;
use crate::{FullName, Kind, Target, TargetRef};
impl<'a> TargetRef<'a> {
/// Returns the kind of the target the ref is pointing to.
pub fn kind(&self) -> Kind {
match self {
TargetRef::Symbolic(_) => Kind::Symbolic,
TargetRef::Peeled(_) => Kind::Peeled,
}
}
/// Interpret this target as object id which maybe `None` if it is symbolic.
pub fn as_id(&self) -> Option<&oid> {
match self {
TargetRef::Symbolic(_) => None,
TargetRef::Peeled(oid) => Some(oid),
}
}
/// Interpret this target as object id or panic if it is symbolic.
pub fn id(&self) -> &oid {
match self {
TargetRef::Symbolic(_) => panic!("BUG: tries to obtain object id from symbolic target"),
TargetRef::Peeled(oid) => oid,
}
}
/// Interpret this target as name of the reference it points to which maybe `None` if it an object id.
pub fn as_name(&self) -> Option<&BStr> {
match self {
TargetRef::Symbolic(path) => Some(path.as_bstr()),
TargetRef::Peeled(_) => None,
}
}
/// Convert this instance into an owned version, without consuming it.
pub fn into_owned(self) -> crate::Target {
self.into()
}
}
impl Target {
/// Returns the kind of the target the ref is pointing to.
pub fn kind(&self) -> Kind {
match self {
Target::Symbolic(_) => Kind::Symbolic,
Target::Peeled(_) => Kind::Peeled,
}
}
/// Return true if this is a peeled target with a null hash
pub fn is_null(&self) -> bool {
match self {
Target::Peeled(oid) => oid.is_null(),
Target::Symbolic(_) => false,
}
}
/// Interpret this owned Target as shared Target
pub fn to_ref(&self) -> crate::TargetRef<'_> {
match self {
Target::Peeled(oid) => crate::TargetRef::Peeled(oid),
Target::Symbolic(name) => crate::TargetRef::Symbolic(name.to_ref()),
}
}
/// Interpret this target as object id which maybe `None` if it is symbolic.
pub fn as_id(&self) -> Option<&oid> {
match self {
Target::Symbolic(_) => None,
Target::Peeled(oid) => Some(oid),
}
}
/// Interpret this target as object id or panic if it is symbolic.
pub fn id(&self) -> &oid {
match self {
Target::Symbolic(_) => panic!("BUG: tries to obtain object id from symbolic target"),
Target::Peeled(oid) => oid,
}
}
/// Return the contained object id or panic
pub fn into_id(self) -> ObjectId {
match self {
Target::Symbolic(_) => panic!("BUG: expected peeled reference target but found symbolic one"),
Target::Peeled(oid) => oid,
}
}
/// Return the contained object id if the target is peeled or itself if it is not.
pub fn try_into_id(self) -> Result<ObjectId, Self> {
match self {
Target::Symbolic(_) => Err(self),
Target::Peeled(oid) => Ok(oid),
}
}
/// Interpret this target as name of the reference it points to which maybe `None` if it an object id.
pub fn as_name(&self) -> Option<&BStr> {
match self {
Target::Symbolic(name) => Some(name.as_bstr()),
Target::Peeled(_) => None,
}
}
}
impl<'a> From<crate::TargetRef<'a>> for Target {
fn from(src: crate::TargetRef<'a>) -> Self {
match src {
crate::TargetRef::Peeled(oid) => Target::Peeled(oid.to_owned()),
crate::TargetRef::Symbolic(name) => Target::Symbolic(name.to_owned()),
}
}
}
impl<'a> PartialEq<crate::TargetRef<'a>> for Target {
fn eq(&self, other: &crate::TargetRef<'a>) -> bool {
match (self, other) {
(Target::Peeled(lhs), crate::TargetRef::Peeled(rhs)) => lhs == rhs,
(Target::Symbolic(lhs), crate::TargetRef::Symbolic(rhs)) => lhs.as_bstr() == rhs.as_bstr(),
_ => false,
}
}
}
impl From<ObjectId> for Target {
fn from(id: ObjectId) -> Self {
Target::Peeled(id)
}
}
impl TryFrom<Target> for ObjectId {
type Error = Target;
fn try_from(value: Target) -> Result<Self, Self::Error> {
match value {
Target::Peeled(id) => Ok(id),
Target::Symbolic(_) => Err(value),
}
}
}
impl From<FullName> for Target {
fn from(name: FullName) -> Self {
Target::Symbolic(name)
}
}
impl fmt::Display for Target {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Target::Peeled(oid) => oid.fmt(f),
Target::Symbolic(name) => write!(f, "ref: {}", name.as_bstr()),
}
}
}