apt-pkg/sourcelist.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: sourcelist.cc,v 1.25 2004/06/07 23:08:00 mdz 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/strutl.h>
  19 #include <apt-pkg/configuration.h>
  20
  21 #include <apti18n.h>
  22
  23 #include <fstream>
  24                                                                         /*}}}*/
  25
  26 using namespace std;
  27
  28 // Global list of Items supported
  29 static  pkgSourceList::Type *ItmList[10];
  30 pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList;
  31 unsigned long pkgSourceList::Type::GlobalListLen = 0;
  32
  33 // Type::Type - Constructor                                             /*{{{*/
  34 // ---------------------------------------------------------------------
  35 /* Link this to the global list of items*/
  36 pkgSourceList::Type::Type()
  37 {
  38    ItmList[GlobalListLen] = this;
  39    GlobalListLen++;
  40 }
  41                                                                         /*}}}*/
  42 // Type::GetType - Get a specific meta for a given type                 /*{{{*/
  43 // ---------------------------------------------------------------------
  44 /* */
  45 pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type)
  46 {
  47    for (unsigned I = 0; I != GlobalListLen; I++)
  48       if (strcmp(GlobalList[I]->Name,Type) == 0)
  49          return GlobalList[I];
  50    return 0;
  51 }
  52                                                                         /*}}}*/
  53 // Type::FixupURI - Normalize the URI and check it..                    /*{{{*/
  54 // ---------------------------------------------------------------------
  55 /* */
  56 bool pkgSourceList::Type::FixupURI(string &URI) const
  57 {
  58    if (URI.empty() == true)
  59       return false;
  60
  61    if (URI.find(':') == string::npos)
  62       return false;
  63
  64    URI = SubstVar(URI,"$(ARCH)",_config->Find("APT::Architecture"));
  65
  66    // Make sure that the URI is / postfixed
  67    if (URI[URI.size() - 1] != '/')
  68       URI += '/';
  69
  70    return true;
  71 }
  72                                                                         /*}}}*/
  73 // Type::ParseLine - Parse a single line                                /*{{{*/
  74 // ---------------------------------------------------------------------
  75 /* This is a generic one that is the 'usual' format for sources.list
  76    Weird types may override this. */
  77 bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
  78                                     const char *Buffer,
  79                                     unsigned long CurLine,
  80                                     string File) const
  81 {
  82    string URI;
  83    string Dist;
  84    string Section;
  85
  86    if (ParseQuoteWord(Buffer,URI) == false)
  87       return _error->Error(_("Malformed line %lu in source list %s (URI)"),CurLine,File.c_str());
  88    if (ParseQuoteWord(Buffer,Dist) == false)
  89       return _error->Error(_("Malformed line %lu in source list %s (dist)"),CurLine,File.c_str());
  90
  91    if (FixupURI(URI) == false)
  92       return _error->Error(_("Malformed line %lu in source list %s (URI parse)"),CurLine,File.c_str());
  93
  94    // Check for an absolute dists specification.
  95    if (Dist.empty() == false && Dist[Dist.size() - 1] == '/')
  96    {
  97       if (ParseQuoteWord(Buffer,Section) == true)
  98          return _error->Error(_("Malformed line %lu in source list %s (Absolute dist)"),CurLine,File.c_str());
  99       Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture"));
 100       return CreateItem(List,URI,Dist,Section);
 101    }
 102
 103    // Grab the rest of the dists
 104    if (ParseQuoteWord(Buffer,Section) == false)
 105       return _error->Error(_("Malformed line %lu in source list %s (dist parse)"),CurLine,File.c_str());
 106
 107    do
 108    {
 109       if (CreateItem(List,URI,Dist,Section) == false)
 110          return false;
 111    }
 112    while (ParseQuoteWord(Buffer,Section) == true);
 113
 114    return true;
 115 }
 116                                                                         /*}}}*/
 117
 118 // SourceList::pkgSourceList - Constructors                             /*{{{*/
 119 // ---------------------------------------------------------------------
 120 /* */
 121 pkgSourceList::pkgSourceList()
 122 {
 123 }
 124
 125 pkgSourceList::pkgSourceList(string File)
 126 {
 127    Read(File);
 128 }
 129                                                                         /*}}}*/
 130 // SourceList::~pkgSourceList - Destructor                              /*{{{*/
 131 // ---------------------------------------------------------------------
 132 /* */
 133 pkgSourceList::~pkgSourceList()
 134 {
 135    for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
 136       delete *I;
 137 }
 138                                                                         /*}}}*/
 139                                                                         /*}}}*/
 140 // SourceList::ReadMainList - Read the main source list from etc        /*{{{*/
 141 // ---------------------------------------------------------------------
 142 /* */
 143 bool pkgSourceList::ReadMainList()
 144 {
 145    return Read(_config->FindFile("Dir::Etc::sourcelist"));
 146 }
 147                                                                         /*}}}*/
 148 // SourceList::Read - Parse the sourcelist file                         /*{{{*/
 149 // ---------------------------------------------------------------------
 150 /* */
 151 bool pkgSourceList::Read(string File)
 152 {
 153    // Open the stream for reading
 154    ifstream F(File.c_str(),ios::in /*| ios::nocreate*/);
 155    if (!F != 0)
 156       return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str());
 157
 158    for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
 159       delete *I;
 160    SrcList.erase(SrcList.begin(),SrcList.end());
 161    char Buffer[300];
 162
 163    int CurLine = 0;
 164    while (F.eof() == false)
 165    {
 166       F.getline(Buffer,sizeof(Buffer));
 167       CurLine++;
 168       _strtabexpand(Buffer,sizeof(Buffer));
 169       if (F.fail() && !F.eof())
 170          return _error->Error(_("Line %u too long in source list %s."),
 171                               CurLine,File.c_str());
 172
 173
 174       char *I;
 175       for (I = Buffer; *I != 0 && *I != '#'; I++);
 176       *I = 0;
 177
 178       const char *C = _strstrip(Buffer);
 179
 180       // Comment or blank
 181       if (C[0] == '#' || C[0] == 0)
 182          continue;
 183
 184       // Grok it
 185       string LineType;
 186       if (ParseQuoteWord(C,LineType) == false)
 187          return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
 188
 189       Type *Parse = Type::GetType(LineType.c_str());
 190       if (Parse == 0)
 191          return _error->Error(_("Type '%s' is not known on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str());
 192
 193       // Vendor name specified
 194       if (C[0] == '[')
 195       {
 196          string VendorID;
 197
 198          if (ParseQuoteWord(C,VendorID) == false)
 199              return _error->Error(_("Malformed line %u in source list %s (vendor id)"),CurLine,File.c_str());
 200
 201          if (VendorID.length() < 2 || VendorID.end()[-1] != ']')
 202              return _error->Error(_("Malformed line %u in source list %s (vendor id)"),CurLine,File.c_str());
 203          VendorID = string(VendorID,1,VendorID.size()-2);
 204
 205 //       for (vector<const Vendor *>::const_iterator iter = VendorList.begin();
 206 //            iter != VendorList.end(); iter++)
 207 //       {
 208 //          if ((*iter)->GetVendorID() == VendorID)
 209 //          {
 210 //            if (_config->FindB("Debug::sourceList", false))
 211 //              std::cerr << "Comparing VendorID \"" << VendorID << "\" with \"" << (*iter)->GetVendorID() << '"' << std::endl;
 212 //             Verifier = *iter;
 213 //             break;
 214 //          }
 215 //       }
 216
 217 //       if (Verifier == 0)
 218 //          return _error->Error(_("Unknown vendor ID '%s' in line %u of source list %s"),
 219 //                               VendorID.c_str(),CurLine,File.c_str());
 220       }
 221
 222       if (Parse->ParseLine(SrcList,C,CurLine,File) == false)
 223          return false;
 224    }
 225    return true;
 226 }
 227                                                                         /*}}}*/
 228 // SourceList::FindIndex - Get the index associated with a file         /*{{{*/
 229 // ---------------------------------------------------------------------
 230 /* */
 231 bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
 232                               pkgIndexFile *&Found) const
 233 {
 234    for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
 235    {
 236       vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles();
 237       for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin();
 238            J != Indexes->end(); J++)
 239       {
 240          if ((*J)->FindInCache(*File.Cache()) == File)
 241          {
 242             Found = (*J);
 243             return true;
 244          }
 245       }
 246    }
 247
 248    return false;
 249 }
 250                                                                         /*}}}*/
 251 // SourceList::GetIndexes - Load the index files into the downloader    /*{{{*/
 252 // ---------------------------------------------------------------------
 253 /* */
 254 bool pkgSourceList::GetIndexes(pkgAcquire *Owner, bool GetAll) const
 255 {
 256    for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
 257       if ((*I)->GetIndexes(Owner,GetAll) == false)
 258          return false;
 259    return true;
 260 }
 261                                                                         /*}}}*/