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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: apt-sortpkgs.cc,v 1.5 2003/01/11 07:18:44 jgg Exp $
/* ######################################################################
APT Sort Packages - Program to sort Package and Source files
This program is quite simple, it just sorts the package files by
package and sorts the fields inside by the internal APT sort order.
Input is taken from a named file and sent to stdout.
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
#include <apt-pkg/tagfile.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/cmndline.h>
#include <apt-pkg/init.h>
#include <apt-pkg/strutl.h>
#include <config.h>
#include <apti18n.h>
#include <vector>
#include <algorithm>
#include <locale.h>
#include <unistd.h>
/*}}}*/
using namespace std;
struct PkgName
{
string Name;
string Ver;
string Arch;
unsigned long Offset;
unsigned long Length;
inline int Compare3(const PkgName &x) const
{
int A = stringcasecmp(Name,x.Name);
if (A == 0)
{
A = stringcasecmp(Ver,x.Ver);
if (A == 0)
A = stringcasecmp(Arch,x.Arch);
}
return A;
}
bool operator <(const PkgName &x) const {return Compare3(x) < 0;};
bool operator >(const PkgName &x) const {return Compare3(x) > 0;};
bool operator ==(const PkgName &x) const {return Compare3(x) == 0;};
};
// DoIt - Sort a single file /*{{{*/
// ---------------------------------------------------------------------
/* */
bool DoIt(string InFile)
{
FileFd Fd(InFile,FileFd::ReadOnly);
pkgTagFile Tags(&Fd);
if (_error->PendingError() == true)
return false;
// Parse.
vector<PkgName> List;
pkgTagSection Section;
unsigned long Largest = 0;
unsigned long Offset = Tags.Offset();
bool Source = _config->FindB("APT::SortPkgs::Source",false);
while (Tags.Step(Section) == true)
{
PkgName Tmp;
/* Fetch the name, auto-detecting if this is a source file or a
package file */
Tmp.Name = Section.FindS("Package");
Tmp.Ver = Section.FindS("Version");
Tmp.Arch = Section.FindS("Architecture");
if (Tmp.Name.empty() == true)
return _error->Error(_("Unknown package record!"));
Tmp.Offset = Offset;
Tmp.Length = Section.size();
if (Largest < Tmp.Length)
Largest = Tmp.Length;
List.push_back(Tmp);
Offset = Tags.Offset();
}
if (_error->PendingError() == true)
return false;
// Sort it
sort(List.begin(),List.end());
const char **Order = TFRewritePackageOrder;
if (Source == true)
Order = TFRewriteSourceOrder;
// Emit
unsigned char *Buffer = new unsigned char[Largest+1];
for (vector<PkgName>::iterator I = List.begin(); I != List.end(); I++)
{
// Read in the Record.
if (Fd.Seek(I->Offset) == false || Fd.Read(Buffer,I->Length) == false)
{
delete [] Buffer;
return false;
}
Buffer[I->Length] = '\n';
if (Section.Scan((char *)Buffer,I->Length+1) == false)
{
delete [] Buffer;
return _error->Error("Internal error, failed to scan buffer");
}
// Sort the section
if (TFRewrite(stdout,Section,Order,0) == false)
{
delete [] Buffer;
return _error->Error("Internal error, failed to sort fields");
}
fputc('\n',stdout);
}
delete [] Buffer;
return true;
}
/*}}}*/
// ShowHelp - Show the help text /*{{{*/
// ---------------------------------------------------------------------
/* */
int ShowHelp()
{
ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION,
COMMON_OS,COMMON_CPU,__DATE__,__TIME__);
if (_config->FindB("version") == true)
return 0;
cout <<
_("Usage: apt-sortpkgs [options] file1 [file2 ...]\n"
"\n"
"apt-sortpkgs is a simple tool to sort package files. The -s option is used\n"
"to indicate what kind of file it is.\n"
"\n"
"Options:\n"
" -h This help text\n"
" -s Use source file sorting\n"
" -c=? Read this configuration file\n"
" -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n");
return 0;
}
/*}}}*/
int main(unsigned int argc,const char *argv[])
{
CommandLine::Args Args[] = {
{'h',"help","help",0},
{'v',"version","version",0},
{'s',"source","APT::SortPkgs::Source",0},
{'c',"config-file",0,CommandLine::ConfigFile},
{'o',"option",0,CommandLine::ArbItem},
{0,0,0,0}};
// Set up gettext support
setlocale(LC_ALL,"");
textdomain(PACKAGE);
// Parse the command line and initialize the package library
CommandLine CmdL(Args,_config);
if (pkgInitConfig(*_config) == false ||
CmdL.Parse(argc,argv) == false ||
pkgInitSystem(*_config,_system) == false)
{
_error->DumpErrors();
return 100;
}
// See if the help should be shown
if (_config->FindB("help") == true ||
CmdL.FileSize() == 0)
return ShowHelp();
// Match the operation
for (unsigned int I = 0; I != CmdL.FileSize(); I++)
if (DoIt(CmdL.FileList[I]) == false)
break;
// Print any errors or warnings found during parsing
if (_error->empty() == false)
{
bool Errors = _error->PendingError();
_error->DumpErrors();
return Errors == true?100:0;
}
return 0;
}
|
