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[apt.git] / apt-pkg / sourcelist.cc
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1// -*- mode: cpp; mode: fold -*-
2// Description /*{{{*/
f956efb4 3// $Id: sourcelist.cc,v 1.12 1999/03/05 19:36:49 jgg Exp $
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4/* ######################################################################
5
6 List of Sources
7
8 ##################################################################### */
9 /*}}}*/
10// Include Files /*{{{*/
11#ifdef __GNUG__
094a497d 12#pragma implementation "apt-pkg/sourcelist.h"
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13#endif
14
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15#include <apt-pkg/sourcelist.h>
16#include <apt-pkg/error.h>
17#include <apt-pkg/fileutl.h>
18#include <apt-pkg/configuration.h>
cdcc6d34 19#include <apt-pkg/strutl.h>
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20
21#include <fstream.h>
22#include <stdio.h>
23#include <unistd.h>
24#include <sys/stat.h>
25 /*}}}*/
26
27// SourceList::pkgSourceList - Constructors /*{{{*/
28// ---------------------------------------------------------------------
29/* */
30pkgSourceList::pkgSourceList()
31{
32}
33
34pkgSourceList::pkgSourceList(string File)
35{
36 Read(File);
37}
38 /*}}}*/
39// SourceList::ReadMainList - Read the main source list from etc /*{{{*/
40// ---------------------------------------------------------------------
41/* */
42bool pkgSourceList::ReadMainList()
43{
3b5421b4 44 return Read(_config->FindFile("Dir::Etc::sourcelist"));
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45}
46 /*}}}*/
47// SourceList::Read - Parse the sourcelist file /*{{{*/
48// ---------------------------------------------------------------------
49/* */
50bool pkgSourceList::Read(string File)
51{
52 // Open the stream for reading
53 ifstream F(File.c_str(),ios::in | ios::nocreate);
54 if (!F != 0)
55 return _error->Errno("ifstream::ifstream","Opening %s",File.c_str());
56
57 List.erase(List.begin(),List.end());
58 char Buffer[300];
59
60 int CurLine = 0;
61 while (F.eof() == false)
62 {
63 F.getline(Buffer,sizeof(Buffer));
64 CurLine++;
65 _strtabexpand(Buffer,sizeof(Buffer));
66 _strstrip(Buffer);
67
68 // Comment or blank
69 if (Buffer[0] == '#' || Buffer[0] == 0)
70 continue;
71
72 // Grok it
73 string Type;
74 string URI;
75 Item Itm;
76 char *C = Buffer;
77 if (ParseQuoteWord(C,Type) == false)
78 return _error->Error("Malformed line %u in source list %s (type)",CurLine,File.c_str());
79 if (ParseQuoteWord(C,URI) == false)
80 return _error->Error("Malformed line %u in source list %s (URI)",CurLine,File.c_str());
81 if (ParseQuoteWord(C,Itm.Dist) == false)
82 return _error->Error("Malformed line %u in source list %s (dist)",CurLine,File.c_str());
83 if (Itm.SetType(Type) == false)
84 return _error->Error("Malformed line %u in source list %s (type parse)",CurLine,File.c_str());
85 if (Itm.SetURI(URI) == false)
86 return _error->Error("Malformed line %u in source list %s (URI parse)",CurLine,File.c_str());
87
88 // Check for an absolute dists specification.
89 if (Itm.Dist.empty() == false && Itm.Dist[Itm.Dist.size() - 1] == '/')
90 {
91 if (ParseQuoteWord(C,Itm.Section) == true)
92 return _error->Error("Malformed line %u in source list %s (Absolute dist)",CurLine,File.c_str());
9c14e3d6 93 Itm.Dist = SubstVar(Itm.Dist,"$(ARCH)",_config->Find("APT::Architecture"));
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94 List.push_back(Itm);
95 continue;
96 }
97
98 // Grab the rest of the dists
99 if (ParseQuoteWord(C,Itm.Section) == false)
100 return _error->Error("Malformed line %u in source list %s (dist parse)",CurLine,File.c_str());
101
102 do
103 {
104 List.push_back(Itm);
105 }
106 while (ParseQuoteWord(C,Itm.Section) == true);
107 }
108 return true;
109}
110 /*}}}*/
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111// SourceList::Item << - Writes the item to a stream /*{{{*/
112// ---------------------------------------------------------------------
113/* This is not suitable for rebuilding the sourcelist file but it good for
114 debugging. */
115ostream &operator <<(ostream &O,pkgSourceList::Item &Itm)
116{
93641593 117 O << (int)Itm.Type << ' ' << Itm.URI << ' ' << Itm.Dist << ' ' << Itm.Section;
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118 return O;
119}
120 /*}}}*/
121// SourceList::Item::SetType - Sets the distribution type /*{{{*/
122// ---------------------------------------------------------------------
123/* */
124bool pkgSourceList::Item::SetType(string S)
125{
126 if (S == "deb")
127 {
128 Type = Deb;
129 return true;
130 }
131
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132 if (S == "deb-src")
133 {
134 Type = DebSrc;
135 return true;
136 }
137
f956efb4 138 return false;
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139}
140 /*}}}*/
141// SourceList::Item::SetURI - Set the URI /*{{{*/
142// ---------------------------------------------------------------------
143/* For simplicity we strip the scheme off the uri */
144bool pkgSourceList::Item::SetURI(string S)
145{
146 if (S.empty() == true)
147 return false;
148
149 if (S.find(':') == string::npos)
150 return false;
151
9c14e3d6 152 S = SubstVar(S,"$(ARCH)",_config->Find("APT::Architecture"));
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153
154 // Make sure that the URN is / postfixed
155 URI = S;
156 if (URI[URI.size() - 1] != '/')
157 URI += '/';
158
159 return true;
160}
161 /*}}}*/
162// SourceList::Item::PackagesURI - Returns a URI to the packages file /*{{{*/
163// ---------------------------------------------------------------------
164/* */
165string pkgSourceList::Item::PackagesURI() const
166{
167 string Res;
168 switch (Type)
169 {
170 case Deb:
171 if (Dist[Dist.size() - 1] == '/')
172 Res = URI + Dist;
173 else
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174 Res = URI + "dists/" + Dist + '/' + Section +
175 "/binary-" + _config->Find("APT::Architecture") + '/';
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176
177 Res += "Packages";
178 break;
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179
180 case DebSrc:
181 if (Dist[Dist.size() - 1] == '/')
182 Res = URI + Dist;
183 else
184 Res = URI + "dists/" + Dist + '/' + Section +
185 "/source/";
186
187 Res += "Sources";
188 break;
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189 };
190 return Res;
191}
192 /*}}}*/
193// SourceList::Item::PackagesInfo - Shorter version of the URI /*{{{*/
194// ---------------------------------------------------------------------
195/* This is a shorter version that is designed to be < 60 chars or so */
196string pkgSourceList::Item::PackagesInfo() const
197{
198 string Res;
199 switch (Type)
200 {
201 case Deb:
202 Res += SiteOnly(URI) + ' ';
203 if (Dist[Dist.size() - 1] == '/')
204 Res += Dist;
205 else
206 Res += Dist + '/' + Section;
207
208 Res += " Packages";
209 break;
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210
211 case DebSrc:
212 Res += SiteOnly(URI) + ' ';
213 if (Dist[Dist.size() - 1] == '/')
214 Res += Dist;
215 else
216 Res += Dist + '/' + Section;
217
218 Res += " Sources";
219 break;
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220 };
221 return Res;
222}
223 /*}}}*/
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224// SourceList::Item::ReleaseURI - Returns a URI to the release file /*{{{*/
225// ---------------------------------------------------------------------
226/* */
227string pkgSourceList::Item::ReleaseURI() const
228{
229 string Res;
230 switch (Type)
231 {
232 case Deb:
233 if (Dist[Dist.size() - 1] == '/')
234 Res = URI + Dist;
235 else
236 Res = URI + "dists/" + Dist + '/' + Section +
237 "/binary-" + _config->Find("APT::Architecture") + '/';
238
239 Res += "Release";
240 break;
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241
242 case DebSrc:
243 if (Dist[Dist.size() - 1] == '/')
244 Res = URI + Dist;
245 else
246 Res = URI + "dists/" + Dist + '/' + Section +
247 "/source/";
248
249 Res += "Release";
250 break;
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251 };
252 return Res;
253}
254 /*}}}*/
255// SourceList::Item::ReleaseInfo - Shorter version of the URI /*{{{*/
256// ---------------------------------------------------------------------
257/* This is a shorter version that is designed to be < 60 chars or so */
258string pkgSourceList::Item::ReleaseInfo() const
259{
260 string Res;
261 switch (Type)
262 {
263 case Deb:
be8922fd 264 case DebSrc:
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265 Res += SiteOnly(URI) + ' ';
266 if (Dist[Dist.size() - 1] == '/')
267 Res += Dist;
268 else
269 Res += Dist + '/' + Section;
270
271 Res += " Release";
272 break;
273 };
274 return Res;
275}
276 /*}}}*/
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277// SourceList::Item::ArchiveInfo - Shorter version of the archive spec /*{{{*/
278// ---------------------------------------------------------------------
279/* This is a shorter version that is designed to be < 60 chars or so */
280string pkgSourceList::Item::ArchiveInfo(pkgCache::VerIterator Ver) const
281{
282 string Res;
283 switch (Type)
284 {
be8922fd 285 case DebSrc:
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286 case Deb:
287 Res += SiteOnly(URI) + ' ';
288 if (Dist[Dist.size() - 1] == '/')
289 Res += Dist;
290 else
291 Res += Dist + '/' + Section;
292
293 Res += " ";
294 Res += Ver.ParentPkg().Name();
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295 Res += " ";
296 Res += Ver.VerStr();
297
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298 break;
299 };
300 return Res;
301}
302 /*}}}*/
303// SourceList::Item::ArchiveURI - Returns a URI to the given archive /*{{{*/
304// ---------------------------------------------------------------------
305/* */
306string pkgSourceList::Item::ArchiveURI(string File) const
307{
308 string Res;
309 switch (Type)
310 {
311 case Deb:
be8922fd 312 case DebSrc:
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313 Res = URI + File;
314 break;
315 };
316 return Res;
317}
318 /*}}}*/
319// SourceList::Item::SiteOnly - Strip off the path part of a URI /*{{{*/
320// ---------------------------------------------------------------------
321/* */
322string pkgSourceList::Item::SiteOnly(string URI) const
323{
324 unsigned int Pos = URI.find(':');
325 if (Pos == string::npos || Pos + 3 > URI.length())
326 return URI;
327 if (URI[Pos + 1] != '/' || URI[Pos + 2] != '/')
328 return URI;
329
330 Pos = URI.find('/',Pos + 3);
331 if (Pos == string::npos)
332 return URI;
333 return string(URI,0,Pos);
334}
335 /*}}}*/