// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: srcrecords.cc,v 1.7.2.2 2003/12/26 16:27:34 mdz 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 /*{{{*/ #include #include #include #include #include #include #include #include #include #include #include /*}}}*/ // SrcRecords::pkgSrcRecords - Constructor /*{{{*/ // --------------------------------------------------------------------- /* Open all the source index files */ pkgSrcRecords::pkgSrcRecords(pkgSourceList &List) : d(NULL), Files(0), Current(0) { for (pkgSourceList::const_iterator I = List.begin(); I != List.end(); ++I) { std::vector *Indexes = (*I)->GetIndexFiles(); for (std::vector::const_iterator J = Indexes->begin(); J != Indexes->end(); ++J) { Parser* P = (*J)->CreateSrcParser(); if (_error->PendingError() == true) return; if (P != 0) Files.push_back(P); } } // Doesn't work without any source index files if (Files.empty() == true) { _error->Error(_("You must put some 'source' URIs" " in your sources.list")); return; } Restart(); } /*}}}*/ // SrcRecords::~pkgSrcRecords - Destructor /*{{{*/ // --------------------------------------------------------------------- /* */ pkgSrcRecords::~pkgSrcRecords() { // Blow away all the parser objects for(std::vector::iterator I = Files.begin(); I != Files.end(); ++I) delete *I; } /*}}}*/ // SrcRecords::Restart - Restart the search /*{{{*/ // --------------------------------------------------------------------- /* Return all of the parsers to their starting position */ bool pkgSrcRecords::Restart() { Current = Files.begin(); for (std::vector::iterator I = Files.begin(); I != Files.end(); ++I) if ((*I)->Offset() != 0) (*I)->Restart(); return true; } /*}}}*/ // SrcRecords::Next - Step to the next Source Record /*{{{*/ // --------------------------------------------------------------------- /* Step to the next source package record */ const pkgSrcRecords::Parser* pkgSrcRecords::Next() { if (Current == Files.end()) return 0; // Step to the next record, possibly switching files while ((*Current)->Step() == false) { if (_error->PendingError() == true) return 0; ++Current; if (Current == Files.end()) return 0; } return *Current; } /*}}}*/ // 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 const &SrcOnly) { while (true) { if(Next() == 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 const &Type) { const char *fields[] = {"Build-Depends", "Build-Depends-Indep", "Build-Conflicts", "Build-Conflicts-Indep"}; if (unlikely(Type >= sizeof(fields)/sizeof(fields[0]))) return ""; return fields[Type]; } /*}}}*/