// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: arfile.h,v 1.2 2001/02/20 07:03:16 jgg Exp $ /* ###################################################################### AR File - Handle an 'AR' archive This is a reader for the usual 4.4 BSD AR format. It allows raw stream access to a single member at a time. Basically all this class provides is header parsing and verification. It is up to the client to correctly make use of the stream start/stop points. ##################################################################### */ /*}}}*/ #ifndef PKGLIB_ARFILE_H #define PKGLIB_ARFILE_H #include <string> #include <apt-pkg/macros.h> #ifndef APT_8_CLEANER_HEADERS #include <apt-pkg/fileutl.h> #endif class FileFd; class ARArchive { struct MemberHeader; public: struct Member; protected: // Linked list of members Member *List; bool LoadHeaders(); public: // The stream file FileFd &File; // Locate a member by name const Member *FindMember(const char *Name) const; inline Member *Members() { return List; } ARArchive(FileFd &File); ~ARArchive(); }; // A member of the archive struct ARArchive::Member { // Fields from the header std::string Name; unsigned long MTime; unsigned long UID; unsigned long GID; unsigned long Mode; unsigned long long Size; // Location of the data. unsigned long long Start; Member *Next; Member() : Start(0), Next(0) {}; }; #endif