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refactor: use ffi Arena for resource management

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This commit is contained in:
Aleksey Kulikov 2021-08-25 18:33:17 +03:00
parent d0bb7aaa0f
commit 747996b40c
17 changed files with 629 additions and 582 deletions
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144
lib/src/bindings/index.dart
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@ -62,11 +62,12 @@ Pointer<git_oid> writeTree(Pointer<git_index> index) {
/// Find the first position of any entries which point to given path in the Git index.
bool find(Pointer<git_index> index, String path) {
final pathC = path.toNativeUtf8().cast<Int8>();
final result = libgit2.git_index_find(nullptr, index, pathC);
calloc.free(pathC);
return using((Arena arena) {
final pathC = path.toNativeUtf8(allocator: arena).cast<Int8>();
final result = libgit2.git_index_find(nullptr, index, pathC);
return result == git_error_code.GIT_ENOTFOUND ? false : true;
return result == git_error_code.GIT_ENOTFOUND ? false : true;
});
}
/// Get the count of entries currently in the index.
@ -97,15 +98,16 @@ Pointer<git_index_entry> getByPath(
String path,
int stage,
) {
final pathC = path.toNativeUtf8().cast<Int8>();
final result = libgit2.git_index_get_bypath(index, pathC, stage);
calloc.free(pathC);
return using((Arena arena) {
final pathC = path.toNativeUtf8(allocator: arena).cast<Int8>();
final result = libgit2.git_index_get_bypath(index, pathC, stage);
if (result == nullptr) {
throw ArgumentError.value('$path was not found');
} else {
return result;
}
if (result == nullptr) {
throw ArgumentError.value('$path was not found');
} else {
return result;
}
});
}
/// Clear the contents (all the entries) of an index object.
@ -150,13 +152,14 @@ void add(Pointer<git_index> index, Pointer<git_index_entry> sourceEntry) {
///
/// Throws a [LibGit2Error] if error occured.
void addByPath(Pointer<git_index> index, String path) {
final pathC = path.toNativeUtf8().cast<Int8>();
final error = libgit2.git_index_add_bypath(index, pathC);
calloc.free(pathC);
using((Arena arena) {
final pathC = path.toNativeUtf8(allocator: arena).cast<Int8>();
final error = libgit2.git_index_add_bypath(index, pathC);
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
});
}
/// Add or update index entries matching files in the working directory.
@ -169,35 +172,32 @@ void addByPath(Pointer<git_index> index, String path) {
///
/// Throws a [LibGit2Error] if error occured.
void addAll(Pointer<git_index> index, List<String> pathspec) {
var pathspecC = calloc<git_strarray>();
final List<Pointer<Int8>> pathPointers =
pathspec.map((e) => e.toNativeUtf8().cast<Int8>()).toList();
final Pointer<Pointer<Int8>> strArray = calloc(pathspec.length);
using((Arena arena) {
var pathspecC = arena<git_strarray>();
final List<Pointer<Int8>> pathPointers = pathspec
.map((e) => e.toNativeUtf8(allocator: arena).cast<Int8>())
.toList();
final Pointer<Pointer<Int8>> strArray = arena(pathspec.length);
for (var i = 0; i < pathspec.length; i++) {
strArray[i] = pathPointers[i];
}
for (var i = 0; i < pathspec.length; i++) {
strArray[i] = pathPointers[i];
}
pathspecC.ref.strings = strArray;
pathspecC.ref.count = pathspec.length;
pathspecC.ref.strings = strArray;
pathspecC.ref.count = pathspec.length;
final error = libgit2.git_index_add_all(
index,
pathspecC,
0,
nullptr,
nullptr,
);
final error = libgit2.git_index_add_all(
index,
pathspecC,
0,
nullptr,
nullptr,
);
calloc.free(pathspecC);
calloc.free(strArray);
for (var p in pathPointers) {
calloc.free(p);
}
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
});
}
/// Write an existing index object from memory back to disk using an atomic file lock.
@ -215,47 +215,45 @@ void write(Pointer<git_index> index) {
///
/// Throws a [LibGit2Error] if error occured.
void remove(Pointer<git_index> index, String path, int stage) {
final pathC = path.toNativeUtf8().cast<Int8>();
final error = libgit2.git_index_remove(index, pathC, stage);
calloc.free(pathC);
using((Arena arena) {
final pathC = path.toNativeUtf8(allocator: arena).cast<Int8>();
final error = libgit2.git_index_remove(index, pathC, stage);
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
});
}
/// Remove all matching index entries.
///
/// Throws a [LibGit2Error] if error occured.
void removeAll(Pointer<git_index> index, List<String> pathspec) {
final pathspecC = calloc<git_strarray>();
final List<Pointer<Int8>> pathPointers =
pathspec.map((e) => e.toNativeUtf8().cast<Int8>()).toList();
final Pointer<Pointer<Int8>> strArray = calloc(pathspec.length);
using((Arena arena) {
final pathspecC = arena<git_strarray>();
final List<Pointer<Int8>> pathPointers = pathspec
.map((e) => e.toNativeUtf8(allocator: arena).cast<Int8>())
.toList();
final Pointer<Pointer<Int8>> strArray = arena(pathspec.length);
for (var i = 0; i < pathspec.length; i++) {
strArray[i] = pathPointers[i];
}
for (var i = 0; i < pathspec.length; i++) {
strArray[i] = pathPointers[i];
}
pathspecC.ref.strings = strArray;
pathspecC.ref.count = pathspec.length;
pathspecC.ref.strings = strArray;
pathspecC.ref.count = pathspec.length;
final error = libgit2.git_index_remove_all(
index,
pathspecC,
nullptr,
nullptr,
);
final error = libgit2.git_index_remove_all(
index,
pathspecC,
nullptr,
nullptr,
);
calloc.free(pathspecC);
calloc.free(strArray);
for (var p in pathPointers) {
calloc.free(p);
}
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
if (error < 0) {
throw LibGit2Error(libgit2.git_error_last());
}
});
}
/// Get the repository this index relates to.