refactor(reference): simplify api

This commit is contained in:
Aleksey Kulikov 2021-09-23 17:05:28 +03:00
parent 466f960c7b
commit 3c1a6b4ab4
6 changed files with 113 additions and 191 deletions

View file

@ -1,6 +1,4 @@
import 'dart:ffi';
import 'package:libgit2dart/libgit2dart.dart';
import 'bindings/libgit2_bindings.dart';
import 'bindings/reference.dart' as bindings;
import 'bindings/object.dart' as object_bindings;
@ -29,7 +27,10 @@ class References {
/// Returns a list of all the references that can be found in a repository.
///
/// Throws a [LibGit2Error] if error occured.
List<String> list() => bindings.list(_repoPointer);
List<String> get list => bindings.list(_repoPointer);
/// Returns number of all the references that can be found in a repository.
int get length => list.length;
/// Returns a [Reference] by lookingup [name] in a repository.
///
@ -39,8 +40,63 @@ class References {
///
/// Throws a [LibGit2Error] if error occured.
Reference operator [](String name) {
final refPointer = bindings.lookup(_repoPointer, name);
return Reference(_repoPointer, refPointer);
return Reference(bindings.lookup(_repoPointer, name));
}
/// Creates a new reference.
///
/// The reference will be created in the repository and written to the disk.
/// The generated [Reference] object must be freed by the user.
///
/// Valid reference names must follow one of two patterns:
///
/// Top-level names must contain only capital letters and underscores, and must begin and end
/// with a letter. (e.g. "HEAD", "ORIG_HEAD").
/// Names prefixed with "refs/" can be almost anything. You must avoid the characters
/// '~', '^', ':', '\', '?', '[', and '*', and the sequences ".." and "@{" which have
/// special meaning to revparse.
/// Throws a [LibGit2Error] if a reference already exists with the given name
/// unless force is true, in which case it will be overwritten.
///
/// The message for the reflog will be ignored if the reference does not belong in the
/// standard set (HEAD, branches and remote-tracking branches) and it does not have a reflog.
Reference create({
required String name,
required Object target,
bool force = false,
String? logMessage,
}) {
late final Oid oid;
late final bool isDirect;
if (target is Oid) {
oid = target;
isDirect = true;
} else if (isValidShaHex(target as String)) {
final repo = Repository(_repoPointer);
oid = Oid.fromSHA(repo, target);
isDirect = true;
} else {
isDirect = false;
}
if (isDirect) {
return Reference(bindings.createDirect(
_repoPointer,
name,
oid.pointer,
force,
logMessage,
));
} else {
return Reference(bindings.createSymbolic(
_repoPointer,
name,
target as String,
force,
logMessage,
));
}
}
/// Suggests that the given refdb compress or optimize its references.
@ -58,87 +114,10 @@ class References {
class Reference {
/// Initializes a new instance of the [Reference] class.
/// Should be freed with `free()` to release allocated memory.
Reference(this._repoPointer, this._refPointer);
/// Initializes a new instance of the [Reference] class by creating a new direct reference.
///
/// The direct reference will be created in the repository and written to the disk.
/// The generated [Reference] object must be freed by the user.
///
/// Valid reference names must follow one of two patterns:
///
/// Top-level names must contain only capital letters and underscores, and must begin and end
/// with a letter. (e.g. "HEAD", "ORIG_HEAD").
/// Names prefixed with "refs/" can be almost anything. You must avoid the characters
/// '~', '^', ':', '\', '?', '[', and '*', and the sequences ".." and "@{" which have
/// special meaning to revparse.
///
/// Throws a [LibGit2Error] if a reference already exists with the given name
/// unless force is true, in which case it will be overwritten.
///
/// The message for the reflog will be ignored if the reference does not belong in the
/// standard set (HEAD, branches and remote-tracking branches) and it does not have a reflog.
Reference.createDirect({
required Repository repo,
required String name,
required Pointer<git_oid> oid,
required bool force,
String? logMessage,
}) {
_repoPointer = repo.pointer;
_refPointer = bindings.createDirect(
repo.pointer,
name,
oid,
force,
logMessage,
);
}
/// Initializes a new instance of the [Reference] class by creating a new symbolic reference.
///
/// A symbolic reference is a reference name that refers to another reference name.
/// If the other name moves, the symbolic name will move, too. As a simple example,
/// the "HEAD" reference might refer to "refs/heads/master" while on the "master" branch
/// of a repository.
///
/// The symbolic reference will be created in the repository and written to the disk.
/// The generated reference object must be freed by the user.
///
/// Valid reference names must follow one of two patterns:
///
/// Top-level names must contain only capital letters and underscores, and must begin and end
/// with a letter. (e.g. "HEAD", "ORIG_HEAD").
/// Names prefixed with "refs/" can be almost anything. You must avoid the characters
/// '~', '^', ':', '\', '?', '[', and '*', and the sequences ".." and "@{" which have special
/// meaning to revparse.
/// This function will throw an [LibGit2Error] if a reference already exists with the given
/// name unless force is true, in which case it will be overwritten.
///
/// The message for the reflog will be ignored if the reference does not belong in the standard
/// set (HEAD, branches and remote-tracking branches) and it does not have a reflog.
Reference.createSymbolic({
required Repository repo,
required String name,
required String target,
required bool force,
String? logMessage,
}) {
_repoPointer = repo.pointer;
_refPointer = bindings.createSymbolic(
repo.pointer,
name,
target,
force,
logMessage,
);
}
Reference(this._refPointer);
late Pointer<git_reference> _refPointer;
/// Pointer to memory address for allocated repository object.
late final Pointer<git_repository> _repoPointer;
/// Pointer to memory address for allocated reference object.
Pointer<git_reference> get pointer => _refPointer;
@ -171,15 +150,13 @@ class Reference {
/// Throws a [LibGit2Error] if error occured.
void setTarget(String target, [String? logMessage]) {
late final Oid oid;
final owner = bindings.owner(_refPointer);
if (isValidShaHex(target)) {
final repo = Repository(_repoPointer);
final repo = Repository(owner);
oid = Oid.fromSHA(repo, target);
} else {
final ref = Reference(
_repoPointer,
bindings.lookup(_repoPointer, target),
);
final ref = Reference(bindings.lookup(owner, target));
oid = ref.target;
ref.free();
}
@ -249,7 +226,10 @@ class Reference {
/// Checks if a reflog exists for the specified reference [name].
///
/// Throws a [LibGit2Error] if error occured.
bool get hasLog => bindings.hasLog(_repoPointer, name);
bool get hasLog {
final owner = bindings.owner(_refPointer);
return bindings.hasLog(owner, name);
}
/// Returns a [RefLog] object.
///