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refactor!: use IterableMixin where possible

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This commit is contained in:
Aleksey Kulikov 2021-09-20 13:03:43 +03:00
parent 6845286af2
commit cf677e488a
8 changed files with 100 additions and 57 deletions
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36
lib/src/index.dart
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@ -1,3 +1,4 @@
import 'dart:collection';
import 'dart:ffi';
import 'package:ffi/ffi.dart';
import 'package:libgit2dart/libgit2dart.dart';
@ -10,7 +11,7 @@ import 'git_types.dart';
import 'repository.dart';
import 'util.dart';
class Index {
class Index with IterableMixin<IndexEntry> {
/// Initializes a new instance of [Index] class from provided
/// pointer to index object in memory.
///
@ -36,10 +37,7 @@ class Index {
}
/// Checks whether entry at provided [path] is in the git index or not.
bool contains(String path) => bindings.find(_indexPointer, path);
/// Returns the count of entries currently in the index.
int get count => bindings.entryCount(_indexPointer);
bool find(String path) => bindings.find(_indexPointer, path);
/// Checks if the index contains entries representing file conflicts.
bool get hasConflicts => bindings.hasConflicts(_indexPointer);
@ -232,6 +230,9 @@ class Index {
/// Releases memory allocated for index object.
void free() => bindings.free(_indexPointer);
@override
Iterator<IndexEntry> get iterator => _IndexIterator(_indexPointer);
}
class IndexEntry {
@ -307,3 +308,28 @@ class ConflictEntry {
String toString() =>
'ConflictEntry{ancestor: $ancestor, our: $our, their: $their}';
}
class _IndexIterator implements Iterator<IndexEntry> {
_IndexIterator(this._indexPointer) {
count = bindings.entryCount(_indexPointer);
}
final Pointer<git_index> _indexPointer;
IndexEntry? _currentEntry;
int _index = 0;
late final int count;
@override
IndexEntry get current => _currentEntry!;
@override
bool moveNext() {
if (_index == count) {
return false;
} else {
_currentEntry = IndexEntry(bindings.getByIndex(_indexPointer, _index));
_index++;
return true;
}
}
}