UpdatePair.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
// UpdatePair.cpp
#include "StdAfx.h"
#include <time.h>
#include "Common/Defs.h"
#include "Common/Wildcard.h"
#include "Windows/Time.h"
#include "UpdatePair.h"
#include "SortUtils.h"
using namespace NWindows;
using namespace NTime;
static int MyCompareTime(NFileTimeType::EEnum fileTimeType,
const FILETIME &time1, const FILETIME &time2)
{
switch(fileTimeType)
{
case NFileTimeType::kWindows:
return ::CompareFileTime(&time1, &time2);
case NFileTimeType::kUnix:
{
UInt32 unixTime1, unixTime2;
if (!FileTimeToUnixTime(time1, unixTime1))
{
unixTime1 = 0;
// throw 4191614;
}
if (!FileTimeToUnixTime(time2, unixTime2))
{
unixTime2 = 0;
// throw 4191615;
}
return MyCompare(unixTime1, unixTime2);
}
case NFileTimeType::kDOS:
{
UInt32 dosTime1, dosTime2;
FileTimeToDosTime(time1, dosTime1);
FileTimeToDosTime(time2, dosTime2);
/*
if (!FileTimeToDosTime(time1, dosTime1))
throw 4191616;
if (!FileTimeToDosTime(time2, dosTime2))
throw 4191617;
*/
return MyCompare(dosTime1, dosTime2);
}
}
throw 4191618;
}
static const wchar_t *kDuplicateFileNameMessage = L"Duplicate filename:";
/*
static const char *kNotCensoredCollisionMessaged = "Internal file name collision:\n";
static const char *kSameTimeChangedSizeCollisionMessaged =
"Collision between files with same date/time and different sizes:\n";
*/
static void TestDuplicateString(const UStringVector &strings, const CIntVector &indices)
{
for(int i = 0; i + 1 < indices.Size(); i++)
if (CompareFileNames(strings[indices[i]], strings[indices[i + 1]]) == 0)
{
UString message = kDuplicateFileNameMessage;
message += L"\n";
message += strings[indices[i]];
message += L"\n";
message += strings[indices[i + 1]];
throw message;
}
}
void GetUpdatePairInfoList(
const CObjectVector<CDirItem> &dirItems,
const CObjectVector<CArchiveItem> &archiveItems,
NFileTimeType::EEnum fileTimeType,
CObjectVector<CUpdatePair> &updatePairs)
{
CIntVector dirIndices, archiveIndices;
UStringVector dirNames, archiveNames;
int numDirItems = dirItems.Size();
int i;
for(i = 0; i < numDirItems; i++)
dirNames.Add(dirItems[i].Name);
SortFileNames(dirNames, dirIndices);
TestDuplicateString(dirNames, dirIndices);
int numArchiveItems = archiveItems.Size();
for(i = 0; i < numArchiveItems; i++)
archiveNames.Add(archiveItems[i].Name);
SortFileNames(archiveNames, archiveIndices);
TestDuplicateString(archiveNames, archiveIndices);
int dirItemIndex = 0, archiveItemIndex = 0;
CUpdatePair pair;
while(dirItemIndex < numDirItems && archiveItemIndex < numArchiveItems)
{
int dirItemIndex2 = dirIndices[dirItemIndex],
archiveItemIndex2 = archiveIndices[archiveItemIndex];
const CDirItem &dirItem = dirItems[dirItemIndex2];
const CArchiveItem &archiveItem = archiveItems[archiveItemIndex2];
int compareResult = CompareFileNames(dirItem.Name, archiveItem.Name);
if (compareResult < 0)
{
pair.State = NUpdateArchive::NPairState::kOnlyOnDisk;
pair.DirItemIndex = dirItemIndex2;
dirItemIndex++;
}
else if (compareResult > 0)
{
pair.State = archiveItem.Censored ?
NUpdateArchive::NPairState::kOnlyInArchive: NUpdateArchive::NPairState::kNotMasked;
pair.ArchiveItemIndex = archiveItemIndex2;
archiveItemIndex++;
}
else
{
if (!archiveItem.Censored)
throw 1082022;; // TTString(kNotCensoredCollisionMessaged + dirItem.Name);
pair.DirItemIndex = dirItemIndex2;
pair.ArchiveItemIndex = archiveItemIndex2;
switch (MyCompareTime(fileTimeType, dirItem.LastWriteTime, archiveItem.LastWriteTime))
{
case -1:
pair.State = NUpdateArchive::NPairState::kNewInArchive;
break;
case 1:
pair.State = NUpdateArchive::NPairState::kOldInArchive;
break;
default:
if (archiveItem.SizeIsDefined)
if (dirItem.Size != archiveItem.Size)
// throw 1082034; // kSameTimeChangedSizeCollisionMessaged;
pair.State = NUpdateArchive::NPairState::kUnknowNewerFiles;
else
pair.State = NUpdateArchive::NPairState::kSameFiles;
else
pair.State = NUpdateArchive::NPairState::kUnknowNewerFiles;
}
dirItemIndex++;
archiveItemIndex++;
}
updatePairs.Add(pair);
}
for(;dirItemIndex < numDirItems; dirItemIndex++)
{
pair.State = NUpdateArchive::NPairState::kOnlyOnDisk;
pair.DirItemIndex = dirIndices[dirItemIndex];
updatePairs.Add(pair);
}
for(;archiveItemIndex < numArchiveItems; archiveItemIndex++)
{
int archiveItemIndex2 = archiveIndices[archiveItemIndex];
const CArchiveItem &archiveItem = archiveItems[archiveItemIndex2];
pair.State = archiveItem.Censored ?
NUpdateArchive::NPairState::kOnlyInArchive: NUpdateArchive::NPairState::kNotMasked;
pair.ArchiveItemIndex = archiveItemIndex2;
updatePairs.Add(pair);
}
}