82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
/*
|
|
* Copyright (C) 2022 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef ART_RUNTIME_NATIVE_STRING_ARRAY_UTILS_H_
|
|
#define ART_RUNTIME_NATIVE_STRING_ARRAY_UTILS_H_
|
|
|
|
#include "base/locks.h"
|
|
#include "class_root-inl.h"
|
|
#include "handle_scope-inl.h"
|
|
#include "mirror/object_array-alloc-inl.h"
|
|
#include "mirror/string.h"
|
|
|
|
namespace art {
|
|
|
|
namespace detail {
|
|
|
|
inline const char* GetStringCStr(const char* str) { return str; }
|
|
inline const char* GetStringCStr(const std::string& str) { return str.c_str(); }
|
|
|
|
} // namespace detail
|
|
|
|
template <typename Container>
|
|
ObjPtr<mirror::ObjectArray<mirror::String>> CreateStringArray(
|
|
Thread* self, size_t size, const Container& entries) REQUIRES_SHARED(Locks::mutator_lock_) {
|
|
StackHandleScope<1u> hs(self);
|
|
Handle<mirror::ObjectArray<mirror::String>> array = hs.NewHandle(
|
|
mirror::ObjectArray<mirror::String>::Alloc(
|
|
self, GetClassRoot<mirror::ObjectArray<mirror::String>>(), size));
|
|
if (array == nullptr) {
|
|
DCHECK(self->IsExceptionPending());
|
|
return nullptr;
|
|
}
|
|
// Note: If the container's iterator returns a `std::string` by value, the `auto&&`
|
|
// binds as a const reference and extends the lifetime of the temporary object.
|
|
size_t pos = 0u;
|
|
for (auto&& entry : entries) {
|
|
ObjPtr<mirror::String> oentry =
|
|
mirror::String::AllocFromModifiedUtf8(self, detail::GetStringCStr(entry));
|
|
if (oentry == nullptr) {
|
|
DCHECK(self->IsExceptionPending());
|
|
return nullptr;
|
|
}
|
|
// We're initializing a newly allocated array object, so we do not need to record that under
|
|
// a transaction. If the transaction is aborted, the whole object shall be unreachable.
|
|
DCHECK_LT(pos, size);
|
|
array->SetWithoutChecks</*kTransactionActive=*/ false, /*kCheckTransaction=*/ false>(
|
|
pos, oentry);
|
|
++pos;
|
|
}
|
|
DCHECK_EQ(pos, size);
|
|
return array.Get();
|
|
}
|
|
|
|
template <typename Container>
|
|
ObjPtr<mirror::ObjectArray<mirror::String>> CreateStringArray(
|
|
Thread* self, const Container& entries) REQUIRES_SHARED(Locks::mutator_lock_) {
|
|
return CreateStringArray(self, entries.size(), entries);
|
|
}
|
|
|
|
inline ObjPtr<mirror::ObjectArray<mirror::String>> CreateStringArray(
|
|
Thread* self, std::initializer_list<const char*> entries)
|
|
REQUIRES_SHARED(Locks::mutator_lock_) {
|
|
return CreateStringArray<std::initializer_list<const char*>>(self, entries);
|
|
}
|
|
|
|
} // namespace art
|
|
|
|
#endif // ART_RUNTIME_NATIVE_STRING_ARRAY_UTILS_H_
|