diff options
Diffstat (limited to 'apt-pkg/srcrecords.cc')
| -rw-r--r-- | apt-pkg/srcrecords.cc | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/apt-pkg/srcrecords.cc b/apt-pkg/srcrecords.cc new file mode 100644 index 0000000..9d515ae --- /dev/null +++ b/apt-pkg/srcrecords.cc @@ -0,0 +1,182 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +/* ###################################################################### + + 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 <config.h> + +#include <apt-pkg/debsrcrecords.h> +#include <apt-pkg/error.h> +#include <apt-pkg/indexfile.h> +#include <apt-pkg/macros.h> +#include <apt-pkg/metaindex.h> +#include <apt-pkg/sourcelist.h> +#include <apt-pkg/srcrecords.h> + +#include <string> +#include <vector> +#include <string.h> + +#include <apti18n.h> + /*}}}*/ + +// SrcRecords::pkgSrcRecords - Constructor /*{{{*/ +// --------------------------------------------------------------------- +/* Open all the source index files */ +pkgSrcRecords::pkgSrcRecords(pkgSourceList &List) : d(NULL), Files(0) +{ + for (pkgSourceList::const_iterator I = List.begin(); I != List.end(); ++I) + { + std::vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles(); + for (std::vector<pkgIndexFile *>::const_iterator J = Indexes->begin(); + J != Indexes->end(); ++J) + { + _error->PushToStack(); + Parser* P = (*J)->CreateSrcParser(); + bool const newError = _error->PendingError(); + _error->MergeWithStack(); + if (newError) + 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<Parser*>::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<Parser*>::iterator I = Files.begin(); + I != Files.end(); ++I) + if ((*I)->Offset() != 0) + (*I)->Restart(); + + return true; +} + /*}}}*/ +// SrcRecords::Step - Step to the next Source Record /*{{{*/ +// --------------------------------------------------------------------- +/* Step to the next source package record */ +const pkgSrcRecords::Parser* pkgSrcRecords::Step() +{ + if (Current == Files.end()) + return 0; + + // Step to the next record, possibly switching files + while ((*Current)->Step() == false) + { + ++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(Step() == 0) + 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", + "Build-Depends-Arch", + "Build-Conflicts-Arch"}; + if (unlikely(Type >= sizeof(fields)/sizeof(fields[0]))) + return ""; + return fields[Type]; +} + /*}}}*/ +bool pkgSrcRecords::Parser::Files2(std::vector<pkgSrcRecords::File2> &F2)/*{{{*/ +{ + debSrcRecordParser * const deb = dynamic_cast<debSrcRecordParser*>(this); + if (deb != NULL) + return deb->Files2(F2); + + std::vector<pkgSrcRecords::File> F; + if (Files(F) == false) + return false; + for (std::vector<pkgSrcRecords::File>::const_iterator f = F.begin(); f != F.end(); ++f) + { + pkgSrcRecords::File2 f2; +#if __GNUC__ >= 4 + #pragma GCC diagnostic push + #pragma GCC diagnostic ignored "-Wdeprecated-declarations" +#endif + f2.MD5Hash = f->MD5Hash; + f2.Size = f->Size; + f2.Hashes.push_back(HashString("MD5Sum", f->MD5Hash)); + f2.FileSize = f->Size; +#if __GNUC__ >= 4 + #pragma GCC diagnostic pop +#endif + f2.Path = f->Path; + f2.Type = f->Type; + F2.push_back(f2); + } + return true; +} + /*}}}*/ + + +pkgSrcRecords::Parser::Parser(const pkgIndexFile *Index) : d(NULL), iIndex(Index) {} +pkgSrcRecords::Parser::~Parser() {} |