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53 lines
1.5 KiB
53 lines
1.5 KiB
/* |
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* Copyright (C) 2011 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include <nativehelper/toStringArray.h> |
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#include "JniConstants.h" |
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namespace { |
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struct ArrayCounter { |
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const char* const* strings; |
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explicit ArrayCounter(const char* const* strings) : strings(strings) {} |
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size_t operator()() { |
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size_t count = 0; |
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while (strings[count] != nullptr) { |
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++count; |
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} |
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return count; |
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} |
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}; |
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struct ArrayGetter { |
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const char* const* strings; |
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explicit ArrayGetter(const char* const* strings) : strings(strings) {} |
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const char* operator()(size_t i) { |
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return strings[i]; |
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} |
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}; |
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} // namespace |
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MODULE_API jobjectArray newStringArray(JNIEnv* env, size_t count) { |
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return env->NewObjectArray(count, JniConstants::GetStringClass(env), nullptr); |
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} |
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MODULE_API jobjectArray toStringArray(JNIEnv* env, const char* const* strings) { |
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ArrayCounter counter(strings); |
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ArrayGetter getter(strings); |
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return toStringArray(env, &counter, &getter); |
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}
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