| 1 | package be.nikiroo.utils; |
| 2 | |
| 3 | public class NextableInputStreamStep { |
| 4 | private int stopAt; |
| 5 | private boolean disabled; |
| 6 | private int pos; |
| 7 | private int resumeLen; |
| 8 | private int last = -1; |
| 9 | private int skip; |
| 10 | |
| 11 | public NextableInputStreamStep(int byt) { |
| 12 | stopAt = byt; |
| 13 | } |
| 14 | |
| 15 | // do NOT stop twice on the same item |
| 16 | public int stop(byte[] buffer, int pos, int len) { |
| 17 | for (int i = pos; i < len; i++) { |
| 18 | if (buffer[i] == stopAt) { |
| 19 | if (i > this.last) { |
| 20 | // we skip the sep |
| 21 | this.skip = 1; |
| 22 | |
| 23 | this.pos = pos; |
| 24 | this.resumeLen = len; |
| 25 | this.last = i; |
| 26 | return i; |
| 27 | } |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | return -1; |
| 32 | } |
| 33 | |
| 34 | public int getResumeLen() { |
| 35 | return resumeLen; |
| 36 | } |
| 37 | |
| 38 | public int getSkip() { |
| 39 | return skip; |
| 40 | } |
| 41 | |
| 42 | public void clearBuffer() { |
| 43 | this.last = -1; |
| 44 | this.pos = 0; |
| 45 | this.skip = 0; |
| 46 | this.resumeLen = 0; |
| 47 | } |
| 48 | |
| 49 | public boolean isEnabled() { |
| 50 | return !disabled; |
| 51 | } |
| 52 | } |