Mercurial > jhg

comparison src/org/tmatesoft/hg/internal/RequiresFile.java @ 493:ba36f66c32b4

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Refactor to keep knowledge about repository control files and their location in respect to .hg/ in a single place (facilitate future adoption of shared repositories)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 18 Oct 2012 18:36:13 +0200
parents 981f9f50bb6c
children
comparison
equal deleted inserted replaced
492:e4eaa23e3442 493:ba36f66c32b4
1 /* 1 /*
2 * Copyright (c) 2011 TMate Software Ltd 2 * Copyright (c) 2011-2012 TMate Software Ltd
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License. 6 * the Free Software Foundation; version 2 of the License.
7 * 7 *
26 * 26 *
27 * @author Artem Tikhomirov 27 * @author Artem Tikhomirov
28 * @author TMate Software Ltd. 28 * @author TMate Software Ltd.
29 */ 29 */
30 public class RequiresFile { 30 public class RequiresFile {
31 public static final int STORE = 1; 31 public static final int STORE = 1 << 0;
32 public static final int FNCACHE = 2; 32 public static final int FNCACHE = 1 << 1;
33 public static final int DOTENCODE = 4; 33 public static final int DOTENCODE = 1 << 2;
34 public static final int REVLOGV0 = 1 << 31;
35 public static final int REVLOGV1 = 1 << 30;
34 36
35 public RequiresFile() { 37 public RequiresFile() {
36 } 38 }
37 39
38 public void parse(Internals repoImpl, File requiresFile) throws IOException { 40 /**
41 * Settings from requires file as bits
42 */
43 public int parse(File requiresFile) throws IOException {
39 if (!requiresFile.exists()) { 44 if (!requiresFile.exists()) {
40 return; 45 // TODO check what's going on in Mercurial if no requires exist
46 return 0;
41 } 47 }
42 BufferedReader br = null; 48 BufferedReader br = null;
43 try { 49 try {
44 boolean revlogv1 = false;
45 boolean store = false;
46 boolean fncache = false;
47 boolean dotencode = false;
48 br = new BufferedReader(new InputStreamReader(new FileInputStream(requiresFile))); 50 br = new BufferedReader(new InputStreamReader(new FileInputStream(requiresFile)));
49 String line; 51 String line;
52 int flags = 0;
50 while ((line = br.readLine()) != null) { 53 while ((line = br.readLine()) != null) {
51 revlogv1 |= "revlogv1".equals(line); 54 if ("revlogv1".equals(line)) {
52 store |= "store".equals(line); 55 flags |= REVLOGV1;
53 fncache |= "fncache".equals(line); 56 } else if ("store".equals(line)) {
54 dotencode |= "dotencode".equals(line); 57 flags |= STORE;
58 } else if ("fncache".equals(line)) {
59 flags |= FNCACHE;
60 } else if ("dotencode".equals(line)) {
61 flags |= DOTENCODE;
62 }
55 } 63 }
56 int flags = 0; 64 if ((flags & REVLOGV1) == 0) {
57 flags += store ? STORE : 0; 65 flags |= REVLOGV0; // TODO check if there's no special flag for V0 indeed
58 flags += fncache ? FNCACHE : 0; 66 }
59 flags += dotencode ? DOTENCODE : 0; 67 return flags;
60 repoImpl.setStorageConfig(revlogv1 ? 1 : 0, flags);
61 } finally { 68 } finally {
62 if (br != null) { 69 if (br != null) {
63 br.close(); 70 br.close();
64 } 71 }
65 } 72 }