1dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu/* 2dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui ZhuCopyright (c) 2011 Stanislav Vitvitskiy 3dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 4dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui ZhuPermission is hereby granted, free of charge, to any person obtaining a copy of this 5dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhusoftware and associated documentation files (the "Software"), to deal in the Software 6dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuwithout restriction, including without limitation the rights to use, copy, modify, 7dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhumerge, publish, distribute, sublicense, and/or sell copies of the Software, and to 8dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhupermit persons to whom the Software is furnished to do so, subject to the following 9dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhuconditions: 10dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 11dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui ZhuThe above copyright notice and this permission notice shall be included in all copies or 12dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhusubstantial portions of the Software. 13dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 14dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui ZhuTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 15dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui ZhuINCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 16dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui ZhuPURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 17dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui ZhuFOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 18dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui ZhuTORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE 19dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui ZhuOR OTHER DEALINGS IN THE SOFTWARE. 20dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu*/ 21dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhupackage com.googlecode.mp4parser.h264; 22dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 23dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhupublic class CharCache { 24dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu private char[] cache; 25dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu private int pos; 26dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 27dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public CharCache(int capacity) { 28dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu cache = new char[capacity]; 29dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 30dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 31dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void append(String str) { 32dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu char[] chars = str.toCharArray(); 33dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu int available = cache.length - pos; 34dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu int toWrite = chars.length < available ? chars.length : available; 35dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu System.arraycopy(chars, 0, cache, pos, toWrite); 36dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu pos += toWrite; 37dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 38dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 39dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public String toString() { 40dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return new String(cache, 0, pos); 41dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 42dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 43dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void clear() { 44dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu pos = 0; 45dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 46dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 47dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public void append(char c) { 48dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu if (pos < cache.length - 1) { 49dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu cache[pos] = c; 50dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu pos++; 51dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 52dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 53dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu 54dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu public int length() { 55dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu return pos; 56dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu } 57dd9eb897ee7c7b507cbdcf80263bb4b5de6966bfTeng-Hui Zhu} 58