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 27 namespace android { 28 29 class Tokenizer 30 { 31 public: 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 { run_trun_t44 run_t() {}; run_trun_t45 run_t(uint32_t f, uint32_t l) : first(f), length(l) {} 46 uint32_t first; 47 uint32_t length; 48 }; 49 private: 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