apt-pkg/sourcelist.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: sourcelist.cc,v 1.17 1999/10/17 07:30:23 jgg Exp $
   4 /* ######################################################################
   5
   6    List of Sources
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10 // Include Files                                                        /*{{{*/
  11 #ifdef __GNUG__
  12 #pragma implementation "apt-pkg/sourcelist.h"
  13 #endif
  14
  15 #include <apt-pkg/sourcelist.h>
  16 #include <apt-pkg/error.h>
  17 #include <apt-pkg/fileutl.h>
  18 #include <apt-pkg/configuration.h>
  19 #include <apt-pkg/strutl.h>
  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 /* */
  30 pkgSourceList::pkgSourceList()
  31 {
  32 }
  33
  34 pkgSourceList::pkgSourceList(string File)
  35 {
  36    Read(File);
  37 }
  38                                                                         /*}}}*/
  39 // SourceList::ReadMainList - Read the main source list from etc        /*{{{*/
  40 // ---------------------------------------------------------------------
  41 /* */
  42 bool pkgSourceList::ReadMainList()
  43 {
  44    return Read(_config->FindFile("Dir::Etc::sourcelist"));
  45 }
  46                                                                         /*}}}*/
  47 // SourceList::Read - Parse the sourcelist file                         /*{{{*/
  48 // ---------------------------------------------------------------------
  49 /* */
  50 bool 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       const 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());
  93          Itm.Dist = SubstVar(Itm.Dist,"$(ARCH)",_config->Find("APT::Architecture"));
  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                                                                         /*}}}*/
 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. */
 115 ostream &operator <<(ostream &O,pkgSourceList::Item &Itm)
 116 {
 117    O << (int)Itm.Type << ' ' << Itm.URI << ' ' << Itm.Dist << ' ' << Itm.Section;
 118    return O;
 119 }
 120                                                                         /*}}}*/
 121 // SourceList::Item::SetType - Sets the distribution type               /*{{{*/
 122 // ---------------------------------------------------------------------
 123 /* */
 124 bool pkgSourceList::Item::SetType(string S)
 125 {
 126    if (S == "deb")
 127    {
 128       Type = Deb;
 129       return true;
 130    }
 131
 132    if (S == "deb-src")
 133    {
 134       Type = DebSrc;
 135       return true;
 136    }
 137
 138    return false;
 139 }
 140                                                                         /*}}}*/
 141 // SourceList::Item::SetURI - Set the URI                               /*{{{*/
 142 // ---------------------------------------------------------------------
 143 /* For simplicity we strip the scheme off the uri */
 144 bool 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
 152    S = SubstVar(S,"$(ARCH)",_config->Find("APT::Architecture"));
 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 /* */
 165 string pkgSourceList::Item::PackagesURI() const
 166 {
 167    string Res;
 168    switch (Type)
 169    {
 170       case Deb:
 171       if (Dist[Dist.size() - 1] == '/')
 172       {
 173          if (Dist != "/")
 174             Res = URI + Dist;
 175          else
 176             Res = URI;
 177       }
 178       else
 179          Res = URI + "dists/" + Dist + '/' + Section +
 180          "/binary-" + _config->Find("APT::Architecture") + '/';
 181
 182       Res += "Packages";
 183       break;
 184
 185       case DebSrc:
 186       if (Dist[Dist.size() - 1] == '/')
 187          Res = URI + Dist;
 188       else
 189          Res = URI + "dists/" + Dist + '/' + Section +
 190          "/source/";
 191
 192       Res += "Sources";
 193       break;
 194    };
 195    return Res;
 196 }
 197                                                                         /*}}}*/
 198 // SourceList::Item::PackagesInfo - Shorter version of the URI          /*{{{*/
 199 // ---------------------------------------------------------------------
 200 /* This is a shorter version that is designed to be < 60 chars or so */
 201 string pkgSourceList::Item::PackagesInfo() const
 202 {
 203    string Res;
 204    switch (Type)
 205    {
 206       case Deb:
 207       Res += SiteOnly(URI) + ' ';
 208       if (Dist[Dist.size() - 1] == '/')
 209       {
 210          if (Dist != "/")
 211             Res += Dist;
 212       }
 213       else
 214          Res += Dist + '/' + Section;
 215
 216       Res += " Packages";
 217       break;
 218
 219       case DebSrc:
 220       Res += SiteOnly(URI) + ' ';
 221       if (Dist[Dist.size() - 1] == '/')
 222          Res += Dist;
 223       else
 224          Res += Dist + '/' + Section;
 225
 226       Res += " Sources";
 227       break;
 228    };
 229    return Res;
 230 }
 231                                                                         /*}}}*/
 232 // SourceList::Item::ReleaseURI - Returns a URI to the release file     /*{{{*/
 233 // ---------------------------------------------------------------------
 234 /* */
 235 string pkgSourceList::Item::ReleaseURI() const
 236 {
 237    string Res;
 238    switch (Type)
 239    {
 240       case Deb:
 241       if (Dist[Dist.size() - 1] == '/')
 242       {
 243          if (Dist != "/")
 244             Res = URI + Dist;
 245          else
 246             Res = URI;
 247       }
 248       else
 249          Res = URI + "dists/" + Dist + '/' + Section +
 250          "/binary-" + _config->Find("APT::Architecture") + '/';
 251
 252       Res += "Release";
 253       break;
 254
 255       case DebSrc:
 256       if (Dist[Dist.size() - 1] == '/')
 257          Res = URI + Dist;
 258       else
 259          Res = URI + "dists/" + Dist + '/' + Section +
 260          "/source/";
 261
 262       Res += "Release";
 263       break;
 264    };
 265    return Res;
 266 }
 267                                                                         /*}}}*/
 268 // SourceList::Item::ReleaseInfo - Shorter version of the URI           /*{{{*/
 269 // ---------------------------------------------------------------------
 270 /* This is a shorter version that is designed to be < 60 chars or so */
 271 string pkgSourceList::Item::ReleaseInfo() const
 272 {
 273    string Res;
 274    switch (Type)
 275    {
 276       case Deb:
 277       case DebSrc:
 278       Res += SiteOnly(URI) + ' ';
 279       if (Dist[Dist.size() - 1] == '/')
 280       {
 281          if (Dist != "/")
 282             Res += Dist;
 283       }
 284       else
 285          Res += Dist + '/' + Section;
 286
 287       Res += " Release";
 288       break;
 289    };
 290    return Res;
 291 }
 292                                                                         /*}}}*/
 293 // SourceList::Item::ArchiveInfo - Shorter version of the archive spec  /*{{{*/
 294 // ---------------------------------------------------------------------
 295 /* This is a shorter version that is designed to be < 60 chars or so */
 296 string pkgSourceList::Item::ArchiveInfo(pkgCache::VerIterator Ver) const
 297 {
 298    string Res;
 299    switch (Type)
 300    {
 301       case DebSrc:
 302       case Deb:
 303       Res += SiteOnly(URI) + ' ';
 304       if (Dist[Dist.size() - 1] == '/')
 305       {
 306          if (Dist != "/")
 307             Res += Dist;
 308       }
 309       else
 310          Res += Dist + '/' + Section;
 311
 312       Res += " ";
 313       Res += Ver.ParentPkg().Name();
 314       Res += " ";
 315       Res += Ver.VerStr();
 316
 317       break;
 318    };
 319    return Res;
 320 }
 321                                                                         /*}}}*/
 322 // SourceList::Item::ArchiveURI - Returns a URI to the given archive    /*{{{*/
 323 // ---------------------------------------------------------------------
 324 /* */
 325 string pkgSourceList::Item::ArchiveURI(string File) const
 326 {
 327    string Res;
 328    switch (Type)
 329    {
 330       case Deb:
 331       case DebSrc:
 332       Res = URI + File;
 333       break;
 334    };
 335    return Res;
 336 }
 337                                                                         /*}}}*/
 338 // SourceList::Item::SourceInfo - Returns an info line for a source     /*{{{*/
 339 // ---------------------------------------------------------------------
 340 /* */
 341 string pkgSourceList::Item::SourceInfo(string Pkg,string Ver,string Comp) const
 342 {
 343    string Res;
 344    switch (Type)
 345    {
 346       case DebSrc:
 347       case Deb:
 348       Res += SiteOnly(URI) + ' ';
 349       if (Dist[Dist.size() - 1] == '/')
 350       {
 351          if (Dist != "/")
 352             Res += Dist;
 353       }
 354       else
 355          Res += Dist + '/' + Section;
 356
 357       Res += " ";
 358       Res += Pkg;
 359       Res += " ";
 360       Res += Ver;
 361       if (Comp.empty() == false)
 362          Res += " (" + Comp + ")";
 363       break;
 364    };
 365    return Res;
 366 }
 367                                                                         /*}}}*/
 368 // SourceList::Item::SiteOnly - Strip off the path part of a URI        /*{{{*/
 369 // ---------------------------------------------------------------------
 370 /* */
 371 string pkgSourceList::Item::SiteOnly(string URI) const
 372 {
 373    ::URI U(URI);
 374    U.User = string();
 375    U.Password = string();
 376    U.Path = string();
 377    U.Port = 0;
 378    return U;
 379 }
 380                                                                         /*}}}*/