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feat(diff): add bindings and api

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This commit is contained in:
Aleksey Kulikov 2021-09-14 19:55:25 +03:00
parent 2ae5751efa
commit a7b714c2f3
47 changed files with 1789 additions and 4 deletions
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54
lib/src/index.dart
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@ -1,8 +1,10 @@
import 'dart:ffi';
import 'package:ffi/ffi.dart';
import 'package:libgit2dart/libgit2dart.dart';
import 'package:libgit2dart/src/tree.dart';
import 'bindings/libgit2_bindings.dart';
import 'bindings/index.dart' as bindings;
import 'bindings/diff.dart' as diff_bindings;
import 'oid.dart';
import 'git_types.dart';
import 'repository.dart';
@ -17,9 +19,11 @@ class Index {
libgit2.git_libgit2_init();
}
/// Pointer to memory address for allocated index object.
late final Pointer<git_index> _indexPointer;
/// Pointer to memory address for allocated index object.
Pointer<git_index> get pointer => _indexPointer;
/// Returns index entry located at provided 0-based position or string path.
///
/// Throws error if position is out of bounds or entry isn't found at path.
@ -154,7 +158,7 @@ class Index {
/// Throws a [LibGit2Error] if error occured.
void write() => bindings.write(_indexPointer);
/// Write the index as a tree.
/// Writes the index as a tree.
///
/// This method will scan the index and write a representation of its current state back to disk;
/// it recursively creates tree objects for each of the subtrees stored in the index, but only
@ -177,11 +181,55 @@ class Index {
void remove(String path, [int stage = 0]) =>
bindings.remove(_indexPointer, path, stage);
/// Remove all matching index entries.
/// Removes all matching index entries.
///
/// Throws a [LibGit2Error] if error occured.
void removeAll(List<String> path) => bindings.removeAll(_indexPointer, path);
/// Creates a diff between the repository index and the workdir directory.
///
/// Throws a [LibGit2Error] if error occured.
Diff diffToWorkdir({
Set<GitDiff> flags = const {GitDiff.normal},
int contextLines = 3,
int interhunkLines = 0,
}) {
final repo = bindings.owner(_indexPointer);
final int flagsInt =
flags.fold(0, (previousValue, e) => previousValue | e.value);
return Diff(diff_bindings.indexToWorkdir(
repo,
_indexPointer,
flagsInt,
contextLines,
interhunkLines,
));
}
/// Creates a diff between a tree and repository index.
///
/// Throws a [LibGit2Error] if error occured.
Diff diffToTree({
required Tree tree,
Set<GitDiff> flags = const {GitDiff.normal},
int contextLines = 3,
int interhunkLines = 0,
}) {
final repo = bindings.owner(_indexPointer);
final int flagsInt =
flags.fold(0, (previousValue, e) => previousValue | e.value);
return Diff(diff_bindings.treeToIndex(
repo,
tree.pointer,
_indexPointer,
flagsInt,
contextLines,
interhunkLines,
));
}
/// Releases memory allocated for index object.
void free() => bindings.free(_indexPointer);
}