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1 | static long indexOfBytesInFile(File f, byte[] data) ctex {
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2 | int b, l = l(data); |
3 | CircularByteBuffer buf = new(l); |
4 | temp BufferedInputStream in = bufferedFileInputStream(f); |
5 | long counter = 0; |
6 | bigLoop: while ((b = in.read()) >= 0) {
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7 | buf.add((byte) b); |
8 | ++counter; |
9 | if (buf.size() >= l) {
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10 | long start = counter-l; |
11 | for i to l: {
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12 | if (buf.get(start+i) != data[i]) |
13 | continue bigLoop; |
14 | } |
15 | ret start; |
16 | } |
17 | } |
18 | ret -1; |
19 | } |
Began life as a copy of #1026625
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| Snippet ID: | #1026627 |
| Snippet name: | indexOfBytesInFile [naive search algorithm] |
| Eternal ID of this version: | #1026627/5 |
| Text MD5: | 51fe3b51247bee5cfc4a14bdec0beec7 |
| Transpilation MD5: | 3a3ca814d16425149ba245dab12e7910 |
| Author: | stefan |
| Category: | javax / io |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2020-01-16 22:33:12 |
| Source code size: | 486 bytes / 19 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 221 / 294 |
| Version history: | 4 change(s) |
| Referenced in: | [show references] |