diff options
Diffstat (limited to 'isoparser/src/main/java/com/googlecode/mp4parser/h264/CharCache.java')
-rw-r--r-- | isoparser/src/main/java/com/googlecode/mp4parser/h264/CharCache.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/h264/CharCache.java b/isoparser/src/main/java/com/googlecode/mp4parser/h264/CharCache.java new file mode 100644 index 0000000..2fe8ead --- /dev/null +++ b/isoparser/src/main/java/com/googlecode/mp4parser/h264/CharCache.java @@ -0,0 +1,57 @@ +/* +Copyright (c) 2011 Stanislav Vitvitskiy + +Permission is hereby granted, free of charge, to any person obtaining a copy of this +software and associated documentation files (the "Software"), to deal in the Software +without restriction, including without limitation the rights to use, copy, modify, +merge, publish, distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be included in all copies or +substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, +INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE +FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE +OR OTHER DEALINGS IN THE SOFTWARE. +*/ +package com.googlecode.mp4parser.h264; + +public class CharCache { + private char[] cache; + private int pos; + + public CharCache(int capacity) { + cache = new char[capacity]; + } + + public void append(String str) { + char[] chars = str.toCharArray(); + int available = cache.length - pos; + int toWrite = chars.length < available ? chars.length : available; + System.arraycopy(chars, 0, cache, pos, toWrite); + pos += toWrite; + } + + public String toString() { + return new String(cache, 0, pos); + } + + public void clear() { + pos = 0; + } + + public void append(char c) { + if (pos < cache.length - 1) { + cache[pos] = c; + pos++; + } + } + + public int length() { + return pos; + } +} |