BinHeader.h

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\---------------------------------------------------------------------*/
#ifndef ZYPP_TARGET_RPM_BINHEADER_H
#define ZYPP_TARGET_RPM_BINHEADER_H
 
extern "C"
{
#include <stdint.h>
}
 
#include <iosfwd>
#include <string>
#include <vector>
#include <list>
 
#include <zypp/base/ReferenceCounted.h>
#include <zypp/base/NonCopyable.h>
#include <zypp/base/PtrTypes.h>
#include <zypp/target/rpm/librpm.h>
#include <zypp-core/ByteArray.h>
 
namespace zypp
{
namespace target
{
namespace rpm
{
//
//      CLASS NAME : BinHeader
class BinHeader : public base::ReferenceCounted, private base::NonCopyable
{
 
public:
 
  using Ptr = intrusive_ptr<BinHeader>;
 
  using constPtr = intrusive_ptr<const BinHeader>;
 
  using tag = rpmTag;
 
  class intList;
 
  class stringList;
 
private:
 
  Header _h;
 
  bool assertHeader();
 
public:
 
  BinHeader( Header h_r = 0 );

  BinHeader( BinHeader::Ptr & rhs );
 
  ~BinHeader() override;
 
public:
 
  bool empty() const
  {
    return( _h == NULL );
  }
 
  bool has_tag( tag tag_r ) const;
 
  unsigned int_list( tag tag_r, intList & lst_r ) const;
 
  unsigned string_list( tag tag_r, stringList & lst_r ) const;
 
  int int_val( tag tag_r ) const;
 
  ByteArray blob_val ( tag tag_r ) const;
 
  std::string string_val( tag tag_r ) const;
  std::string format ( const char * fmt) const;
 
  Header get() const;
 
public:
 
  std::list<std::string> stringList_val( tag tag_r ) const;
 
public:
 
  std::ostream & dumpOn( std::ostream & str ) const override;
};


//
//      CLASS NAME : BinHeader::intList
class BinHeader::intList : private base::NonCopyable
{
  public:
    intList()
      : _type( RPM_NULL_TYPE )
    {}
 
    bool empty() const
    { return _data.empty(); }
 
    unsigned size() const
    { return _data.size(); }
 
    long operator[]( const unsigned idx_r ) const
    { return idx_r < _data.size() ? _data[idx_r] : 0; }
 
  private:
    friend class BinHeader;
    unsigned set( void * val_r, unsigned cnt_r, rpmTagType type_r );
 
  private:
    std::vector<long> _data;
    rpmTagType _type;
};


//
//      CLASS NAME : BinHeader::stringList
class BinHeader::stringList : private base::NonCopyable
{
  public:
    bool empty() const
    { return _data.empty(); }
 
    unsigned size() const
    { return _data.size(); }
 
    std::string operator[]( const unsigned idx_r ) const
    { return idx_r < _data.size() ? _data[idx_r] : std::string(); }
 
  private:
    friend class BinHeader;
    unsigned set( char ** val_r, unsigned cnt_r );
 
  private:
    std::vector<std::string> _data;
};

 
} // namespace rpm
} // namespace target
} // namespace zypp
 
#endif // ZYPP_TARGET_RPM_BINHEADER_H