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/*
* Copyright (C) 2007 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 ANDROID_TOKENIZER_H
#define ANDROID_TOKENIZER_H
#include <utils/Vector.h>
#include <utils/Errors.h>
// ----------------------------------------------------------------------------
namespace android {
class Tokenizer
{
public:
Tokenizer();
Tokenizer(const Tokenizer& other);
~Tokenizer();
uint32_t acquire();
status_t reserve(uint32_t token);
status_t release(uint32_t token);
bool isAcquired(uint32_t token) const;
void dump() const;
struct run_t {
run_t() {};
run_t(uint32_t f, uint32_t l) : first(f), length(l) {}
uint32_t first;
uint32_t length;
};
private:
ssize_t _indexOrderOf(uint32_t token, size_t* order=0) const;
ssize_t _insertTokenAt(uint32_t token, size_t index);
Vector<run_t> mRanges;
};
}; // namespace android
// ----------------------------------------------------------------------------
#endif // ANDROID_TOKENIZER_H
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