Mercurial > hg4j

comparison src/com/tmate/hgkit/ll/HgDirstate.java @ 18:02ee376bee79

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
status operation against current working directory
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 03 Jan 2011 20:42:52 +0100
parents 442dc6ee647b
children b771e94a4f7c
comparison
equal deleted inserted replaced
17:571e1b2cc3f7 18:02ee376bee79
4 package com.tmate.hgkit.ll; 4 package com.tmate.hgkit.ll;
5 5
6 import java.io.File; 6 import java.io.File;
7 import java.io.IOException; 7 import java.io.IOException;
8 import java.util.Collections; 8 import java.util.Collections;
9 import java.util.LinkedList; 9 import java.util.LinkedHashMap;
10 import java.util.List; 10 import java.util.Map;
11 import java.util.TreeSet;
11 12
12 import com.tmate.hgkit.fs.DataAccess; 13 import com.tmate.hgkit.fs.DataAccess;
13 import com.tmate.hgkit.fs.DataAccessProvider; 14 import com.tmate.hgkit.fs.DataAccessProvider;
14 15
15 /** 16 /**
19 */ 20 */
20 public class HgDirstate { 21 public class HgDirstate {
21 22
22 private final LocalHgRepo repo; 23 private final LocalHgRepo repo;
23 private final File dirstateFile; 24 private final File dirstateFile;
24 private List<Record> normal; 25 private Map<String, Record> normal;
25 private List<Record> added; 26 private Map<String, Record> added;
26 private List<Record> removed; 27 private Map<String, Record> removed;
27 private List<Record> merged; 28 private Map<String, Record> merged;
28 29
29 public HgDirstate(LocalHgRepo hgRepo, File dirstate) { 30 public HgDirstate(LocalHgRepo hgRepo, File dirstate) {
30 this.repo = hgRepo; 31 this.repo = hgRepo;
31 this.dirstateFile = dirstate; 32 this.dirstateFile = dirstate;
32 } 33 }
33 34
34 private void read() { 35 private void read() {
35 normal = added = removed = merged = Collections.emptyList(); 36 normal = added = removed = merged = Collections.<String, Record>emptyMap();
36 if (!dirstateFile.exists()) { 37 if (!dirstateFile.exists()) {
37 return; 38 return;
38 } 39 }
39 DataAccessProvider dap = repo.getDataAccess(); 40 DataAccessProvider dap = repo.getDataAccess();
40 DataAccess da = dap.create(dirstateFile); 41 DataAccess da = dap.create(dirstateFile);
41 if (da.isEmpty()) { 42 if (da.isEmpty()) {
42 return; 43 return;
43 } 44 }
44 normal = new LinkedList<Record>(); 45 // not sure linked is really needed here, just for ease of debug
45 added = new LinkedList<Record>(); 46 normal = new LinkedHashMap<String, Record>();
46 removed = new LinkedList<Record>(); 47 added = new LinkedHashMap<String, Record>();
47 merged = new LinkedList<Record>(); 48 removed = new LinkedHashMap<String, Record>();
49 merged = new LinkedHashMap<String, Record>();
48 try { 50 try {
49 // XXX skip(40) if we don't need these? 51 // XXX skip(40) if we don't need these?
50 byte[] parents = new byte[40]; 52 byte[] parents = new byte[40];
51 da.readBytes(parents, 0, 40); 53 da.readBytes(parents, 0, 40);
52 parents = null; 54 parents = null;
69 if (fn1 == null) { 71 if (fn1 == null) {
70 fn1 = new String(name); 72 fn1 = new String(name);
71 } 73 }
72 Record r = new Record(fmode, size, time, fn1, fn2); 74 Record r = new Record(fmode, size, time, fn1, fn2);
73 if (state == 'n') { 75 if (state == 'n') {
74 normal.add(r); 76 normal.put(r.name1, r);
75 } else if (state == 'a') { 77 } else if (state == 'a') {
76 added.add(r); 78 added.put(r.name1, r);
77 } else if (state == 'r') { 79 } else if (state == 'r') {
78 removed.add(r); 80 removed.put(r.name1, r);
79 } else if (state == 'm') { 81 } else if (state == 'm') {
80 merged.add(r); 82 merged.put(r.name1, r);
81 } else { 83 } else {
82 // FIXME log error? 84 // FIXME log error?
83 } 85 }
84 } while (!da.isEmpty()); 86 } while (!da.isEmpty());
85 } catch (IOException ex) { 87 } catch (IOException ex) {
87 } finally { 89 } finally {
88 da.done(); 90 da.done();
89 } 91 }
90 } 92 }
91 93
94 // new, modifiable collection
95 /*package-local*/ TreeSet<String> all() {
96 read();
97 TreeSet<String> rv = new TreeSet<String>();
98 @SuppressWarnings("unchecked")
99 Map<String, Record>[] all = new Map[] { normal, added, removed, merged };
100 for (int i = 0; i < all.length; i++) {
101 for (Record r : all[i].values()) {
102 rv.add(r.name1);
103 }
104 }
105 return rv;
106 }
107
108 /*package-local*/ Record checkNormal(String fname) {
109 return normal.get(fname);
110 }
111
112 /*package-local*/ Record checkAdded(String fname) {
113 return added.get(fname);
114 }
115 /*package-local*/ Record checkRemoved(String fname) {
116 return removed.get(fname);
117 }
118 /*package-local*/ Record checkMerged(String fname) {
119 return merged.get(fname);
120 }
121
122
123
124
92 public void dump() { 125 public void dump() {
93 read(); 126 read();
94 @SuppressWarnings("unchecked") 127 @SuppressWarnings("unchecked")
95 List<Record>[] all = new List[] { normal, added, removed, merged }; 128 Map<String, Record>[] all = new Map[] { normal, added, removed, merged };
96 char[] x = new char[] {'n', 'a', 'r', 'm' }; 129 char[] x = new char[] {'n', 'a', 'r', 'm' };
97 for (int i = 0; i < all.length; i++) { 130 for (int i = 0; i < all.length; i++) {
98 for (Record r : all[i]) { 131 for (Record r : all[i].values()) {
99 System.out.printf("%c %3o%6d %30tc\t\t%s", x[i], r.mode, r.size, (long) r.time * 1000, r.name1); 132 System.out.printf("%c %3o%6d %30tc\t\t%s", x[i], r.mode, r.size, (long) r.time * 1000, r.name1);
100 if (r.name2 != null) { 133 if (r.name2 != null) {
101 System.out.printf(" --> %s", r.name2); 134 System.out.printf(" --> %s", r.name2);
102 } 135 }
103 System.out.println(); 136 System.out.println();
104 } 137 }
105 System.out.println(); 138 System.out.println();
106 } 139 }
107 } 140 }
108 141
109 private static class Record { 142 /*package-local*/ static class Record {
110 final int mode; 143 final int mode;
111 final int size; 144 final int size;
112 final int time; 145 final int time;
113 final String name1; 146 final String name1;
114 final String name2; 147 final String name2;