FileChecker.h

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#ifndef ZYPP_FILECHECKER_H
#define ZYPP_FILECHECKER_H
 
#include <iosfwd>
#include <list>
#include <zypp-core/base/DefaultIntegral>
#include <zypp/base/Exception.h>
#include <zypp/base/Function.h>
#include <zypp/PathInfo.h>
#include <zypp/CheckSum.h>
#include <zypp/KeyRingContexts.h>
 
namespace zypp
{ 
 
  class PublicKey;
 
  typedef function<void ( const Pathname &file )> FileChecker;
 
  class FileCheckException : public Exception
  {
  public:
    FileCheckException(const std::string &msg)
      : Exception(msg)
    {}
  };
 
  class CheckSumCheckException : public FileCheckException
  {
  public:
    CheckSumCheckException(const std::string &msg)
      : FileCheckException(msg)
    {}
  };
 
  class SignatureCheckException : public FileCheckException
  {
  public:
    SignatureCheckException(const std::string &msg)
      : FileCheckException(msg)
    {}
  };
 
   class ChecksumFileChecker
   {
   public:
     typedef CheckSumCheckException ExceptionType;
     ChecksumFileChecker( const CheckSum &checksum );
     void operator()( const Pathname &file ) const;
   private:
     CheckSum _checksum;
   };
 
   class SignatureFileChecker: public keyring::VerifyFileContext
   {
   public:
     typedef SignatureCheckException ExceptionType;
 
   public:
     SignatureFileChecker();
 
     SignatureFileChecker( Pathname signature_r );
 
     void addPublicKey( const PublicKey & publickey_r );
     void addPublicKey( const Pathname & publickey_r );
 
     void operator()( const Pathname & file_r ) const;
   };
 
   class NullFileChecker
   {
   public:
     void operator()( const Pathname &file )  const;
   };
 
   class CompositeFileChecker
   {
   public:
     void add( const FileChecker &checker );
     void operator()( const Pathname &file ) const;
 
     int checkersSize() const { return _checkers.size(); }
   private:
     std::list<FileChecker> _checkers;
   };
 
  std::ostream & operator<<( std::ostream & str, const FileChecker & obj );
 
} // namespace zypp
#endif // ZYPP_FILECHECKER_H