1/* libs/opengles/Tokenizer.h 2** 3** Copyright 2006, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18 19#ifndef ANDROID_OPENGLES_TOKENIZER_H 20#define ANDROID_OPENGLES_TOKENIZER_H 21 22#include <utils/Vector.h> 23#include <utils/Errors.h> 24 25// ---------------------------------------------------------------------------- 26 27namespace android { 28 29class Tokenizer 30{ 31public: 32 Tokenizer(); 33 Tokenizer(const Tokenizer& other); 34 ~Tokenizer(); 35 36 uint32_t acquire(); 37 status_t reserve(uint32_t token); 38 status_t release(uint32_t token); 39 bool isAcquired(uint32_t token) const; 40 41 void dump() const; 42 43 struct run_t { 44 run_t() {}; 45 run_t(uint32_t f, uint32_t l) : first(f), length(l) {} 46 uint32_t first; 47 uint32_t length; 48 }; 49private: 50 ssize_t _indexOrderOf(uint32_t token, size_t* order=0) const; 51 ssize_t _insertTokenAt(uint32_t token, size_t index); 52 Vector<run_t> mRanges; 53}; 54 55}; // namespace android 56 57// ---------------------------------------------------------------------------- 58 59#endif // ANDROID_OPENGLES_TOKENIZER_H 60