summaryrefslogtreecommitdiff
path: root/apt-pkg/deb/debrecords.cc
blob: 4dfc8b56a8a5103fd6a30a8314b7ce3e5b519647 (plain)
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
// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: debrecords.cc,v 1.10 2001/03/13 06:51:46 jgg Exp $
/* ######################################################################
   
   Debian Package Records - Parser for debian package records
     
   ##################################################################### */
									/*}}}*/
// Include Files							/*{{{*/
#include <config.h>

#include <apt-pkg/debrecords.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/error.h>
#include <apt-pkg/aptconfiguration.h>
#include <langinfo.h>
									/*}}}*/

// RecordParser::debRecordParser - Constructor				/*{{{*/
// ---------------------------------------------------------------------
/* */
debRecordParser::debRecordParser(string FileName,pkgCache &Cache) : 
                  File(FileName,FileFd::ReadOnlyGzip), 
                  Tags(&File, std::max(Cache.Head().MaxVerFileSize, 
				       Cache.Head().MaxDescFileSize) + 200)
{
}
									/*}}}*/
// RecordParser::Jump - Jump to a specific record			/*{{{*/
// ---------------------------------------------------------------------
/* */
bool debRecordParser::Jump(pkgCache::VerFileIterator const &Ver)
{
   return Tags.Jump(Section,Ver->Offset);
}
bool debRecordParser::Jump(pkgCache::DescFileIterator const &Desc)
{
   return Tags.Jump(Section,Desc->Offset);
}
									/*}}}*/
// RecordParser::FileName - Return the archive filename on the site	/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::FileName()
{
   return Section.FindS("Filename");
}
									/*}}}*/
// RecordParser::Name - Return the package name				/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::Name()
{
   return Section.FindS("Package");
}
									/*}}}*/
// RecordParser::Homepage - Return the package homepage		       	/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::Homepage()
{
   return Section.FindS("Homepage");
}
									/*}}}*/
// RecordParser::MD5Hash - Return the archive hash			/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::MD5Hash()
{
   return Section.FindS("MD5Sum");
}
									/*}}}*/
// RecordParser::SHA1Hash - Return the archive hash			/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::SHA1Hash()
{
   return Section.FindS("SHA1");
}
									/*}}}*/
// RecordParser::SHA256Hash - Return the archive hash			/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::SHA256Hash()
{
   return Section.FindS("SHA256");
}
									/*}}}*/
// RecordParser::SHA512Hash - Return the archive hash			/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::SHA512Hash()
{
   return Section.FindS("SHA512");
}
									/*}}}*/
// RecordParser::Maintainer - Return the maintainer email		/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::Maintainer()
{
   return Section.FindS("Maintainer");
}
									/*}}}*/
// RecordParser::RecordField - Return the value of an arbitrary field       /*{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::RecordField(const char *fieldName)
{
   return Section.FindS(fieldName);
}

                                                                        /*}}}*/
// RecordParser::ShortDesc - Return a 1 line description		/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::ShortDesc()
{
   string Res = LongDesc();
   string::size_type Pos = Res.find('\n');
   if (Pos == string::npos)
      return Res;
   return string(Res,0,Pos);
}
									/*}}}*/
// RecordParser::LongDesc - Return a longer description			/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::LongDesc()
{
  string orig, dest;

  if (!Section.FindS("Description").empty())
     orig = Section.FindS("Description").c_str();
  else
  {
     vector<string> const lang = APT::Configuration::getLanguages();
     for (vector<string>::const_iterator l = lang.begin();
	  orig.empty() && l != lang.end(); ++l)
	orig = Section.FindS(string("Description-").append(*l).c_str());
  }

  char const * const codeset = nl_langinfo(CODESET);
  if (strcmp(codeset,"UTF-8") != 0) {
     UTF8ToCodeset(codeset, orig, &dest);
     orig = dest;
   }    
  
   return orig;
}
									/*}}}*/

static const char *SourceVerSeparators = " ()";

// RecordParser::SourcePkg - Return the source package name if any	/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::SourcePkg()
{
   string Res = Section.FindS("Source");
   string::size_type Pos = Res.find_first_of(SourceVerSeparators);
   if (Pos == string::npos)
      return Res;
   return string(Res,0,Pos);
}
									/*}}}*/
// RecordParser::SourceVer - Return the source version number if present	/*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::SourceVer()
{
   string Pkg = Section.FindS("Source");
   string::size_type Pos = Pkg.find_first_of(SourceVerSeparators);
   if (Pos == string::npos)
      return "";

   string::size_type VerStart = Pkg.find_first_not_of(SourceVerSeparators, Pos);
   if(VerStart == string::npos)
     return "";

   string::size_type VerEnd = Pkg.find_first_of(SourceVerSeparators, VerStart);
   if(VerEnd == string::npos)
     // Corresponds to the case of, e.g., "foo (1.2" without a closing
     // paren.  Be liberal and guess what it means.
     return string(Pkg, VerStart);
   else
     return string(Pkg, VerStart, VerEnd - VerStart);
}
									/*}}}*/
// RecordParser::GetRec - Return the whole record			/*{{{*/
// ---------------------------------------------------------------------
/* */
void debRecordParser::GetRec(const char *&Start,const char *&Stop)
{
   Section.GetSection(Start,Stop);
}
									/*}}}*/