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