// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: srcrecords.cc,v 1.7 2002/11/09 20:38:02 doogie Exp $ /* ###################################################################### Source Package Records - Allows access to source package records Parses and allows access to the list of source records and searching by source name on that list. ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ #ifdef __GNUG__ #pragma implementation "apt-pkg/srcrecords.h" #endif #include <apt-pkg/srcrecords.h> #include <apt-pkg/error.h> #include <apt-pkg/sourcelist.h> #include <apt-pkg/strutl.h> #include <apti18n.h> /*}}}*/ // SrcRecords::pkgSrcRecords - Constructor /*{{{*/ // --------------------------------------------------------------------- /* Open all the source index files */ pkgSrcRecords::pkgSrcRecords(pkgSourceList &List) : Files(0), Current(0) { Files = new Parser *[List.end() - List.begin() + 1]; memset(Files,0,sizeof(*Files)*(List.end() - List.begin() + 1)); unsigned int Count = 0; pkgSourceList::const_iterator I = List.begin(); for (; I != List.end(); I++) { Files[Count] = (*I)->CreateSrcParser(); if (_error->PendingError() == true) return; if (Files[Count] != 0) Count++; } Files[Count] = 0; // Doesn't work without any source index files if (Count == 0) { _error->Error(_("You must put some 'source' URIs" " in your sources.list")); return; } Restart(); } /*}}}*/ // SrcRecords::~pkgSrcRecords - Destructor /*{{{*/ // --------------------------------------------------------------------- /* */ pkgSrcRecords::~pkgSrcRecords() { if (Files == 0) return; // Blow away all the parser objects for (unsigned int Count = 0; Files[Count] != 0; Count++) delete Files[Count]; delete [] Files; } /*}}}*/ // SrcRecords::Restart - Restart the search /*{{{*/ // --------------------------------------------------------------------- /* Return all of the parsers to their starting position */ bool pkgSrcRecords::Restart() { Current = Files; for (Parser **I = Files; *I != 0; I++) (*I)->Restart(); return true; } /*}}}*/ // SrcRecords::Find - Find the first source package with the given name /*{{{*/ // --------------------------------------------------------------------- /* This searches on both source package names and output binary names and returns the first found. A 'cursor' like system is used to allow this function to be called multiple times to get successive entries */ pkgSrcRecords::Parser *pkgSrcRecords::Find(const char *Package,bool SrcOnly) { if (*Current == 0) return 0; while (true) { // Step to the next record, possibly switching files while ((*Current)->Step() == false) { if (_error->PendingError() == true) return 0; Current++; if (*Current == 0) return 0; } // IO error somehow if (_error->PendingError() == true) return 0; // Source name hit if ((*Current)->Package() == Package) return *Current; if (SrcOnly == true) continue; // Check for a binary hit const char **I = (*Current)->Binaries(); for (; I != 0 && *I != 0; I++) if (strcmp(Package,*I) == 0) return *Current; } } /*}}}*/ // Parser::BuildDepType - Convert a build dep to a string /*{{{*/ // --------------------------------------------------------------------- /* */ const char *pkgSrcRecords::Parser::BuildDepType(unsigned char Type) { const char *fields[] = {"Build-Depends", "Build-Depends-Indep", "Build-Conflicts", "Build-Conflicts-Indep"}; if (Type < 4) return fields[Type]; else return ""; } /*}}}*/