[zypp-commit] r11747 - in /trunk/libzypp/zypp: CMakeLists.txt Repository.h sat/LookupAttr.cc sat/LookupAttr.h sat/LookupAttrTools.h

Author: mlandres Date: Thu Nov 20 16:00:52 2008 New Revision: 11747 URL: http://svn.opensuse.org/viewcvs/zypp?rev=11747&view=rev Log: fix cyclic includes Added: trunk/libzypp/zypp/sat/LookupAttrTools.h Modified: trunk/libzypp/zypp/CMakeLists.txt trunk/libzypp/zypp/Repository.h trunk/libzypp/zypp/sat/LookupAttr.cc trunk/libzypp/zypp/sat/LookupAttr.h Modified: trunk/libzypp/zypp/CMakeLists.txt URL: http://svn.opensuse.org/viewcvs/zypp/trunk/libzypp/zypp/CMakeLists.txt?rev=11747&r1=11746&r2=11747&view=diff ============================================================================== --- trunk/libzypp/zypp/CMakeLists.txt (original) +++ trunk/libzypp/zypp/CMakeLists.txt Thu Nov 20 16:00:52 2008 @@ -510,6 +510,7 @@ sat/WhatObsoletes.h sat/LocaleSupport.h sat/LookupAttr.h + sat/LookupAttrTools.h sat/SolvAttr.h ) Modified: trunk/libzypp/zypp/Repository.h URL: http://svn.opensuse.org/viewcvs/zypp/trunk/libzypp/zypp/Repository.h?rev=11747&r1=11746&r2=11747&view=diff ============================================================================== --- trunk/libzypp/zypp/Repository.h (original) +++ trunk/libzypp/zypp/Repository.h Thu Nov 20 16:00:52 2008 @@ -16,8 +16,8 @@ #include "zypp/base/SafeBool.h" #include "zypp/Pathname.h" #include "zypp/sat/detail/PoolMember.h" +#include "zypp/sat/LookupAttr.h" // LookupAttrTools.h included at EOF #include "zypp/sat/Solvable.h" -#include "zypp/sat/SolvAttr.h" #include "zypp/RepoInfo.h" #include "zypp/Date.h" @@ -25,12 +25,6 @@ namespace zypp { ///////////////////////////////////////////////////////////////// - namespace sat - { - template - class ArrayAttr; - } - namespace detail { struct ByRepository; @@ -165,7 +159,7 @@ SolvableIterator solvablesEnd() const; public: -#if 0 + /** Query class for Repository */ class ProductInfoIterator; @@ -196,7 +190,7 @@ * \see Repository::ProductInfoIterator */ ProductInfoIterator updatesProductEnd() const; -#endif + public: /** Return any associated \ref RepoInfo. */ RepoInfo info() const; @@ -282,6 +276,67 @@ inline bool operator<( const Repository & lhs, const Repository & rhs ) { return lhs.get() < rhs.get(); } + + /** + * Query class for Repository related products + * + * The iterator does not provide a dereference + * operator so you can do * on it, but you can + * access the attributes of each related product + * directly from the iterator. + * + * \code + * for ( Repository::ProductInfoIterator it = repo->compatibleWithProductBegin(); + * it != repo->compatibleWithProductEnd(); + * ++it ) + * { + * cout << it.cpeid() << endl; + * } + * \endcode + * + */ + class Repository::ProductInfoIterator : public boost::iterator_adaptor< + Repository::ProductInfoIterator // Derived + , sat::LookupAttr::iterator // Base + , int // Value + , boost::forward_traversal_tag // CategoryOrTraversal + , int + > + { + public: + ProductInfoIterator() {} + explicit ProductInfoIterator( const sat::SolvAttr & arrayid ); + + /** + * Product label + */ + std::string label() const; + + /** + * The Common Platform Enumeration name + * for this product. + * + * See http://cpe.mitre.org + */ + std::string cpeid() const; + + private: + friend class boost::iterator_core_access; + int dereference() const { return 0; } + }; + + inline Repository::ProductInfoIterator Repository::compatibleWithProductBegin() const + { return ProductInfoIterator( sat::SolvAttr::repositoryDistros ); } + + inline Repository::ProductInfoIterator Repository::compatibleWithProductEnd() const + { return ProductInfoIterator(); } + + inline Repository::ProductInfoIterator Repository::updatesProductBegin() const + { return ProductInfoIterator( sat::SolvAttr::repositoryUpdates ); } + + inline Repository::ProductInfoIterator Repository::updatesProductEnd() const + { return ProductInfoIterator(); } + /////////////////////////////////////////////////////////////////// // // CLASS NAME : Repository::EraseFromPool @@ -318,6 +373,7 @@ { repository_r.eraseFromPool(); } }; /////////////////////////////////////////////////////////////////// + /////////////////////////////////////////////////////////////////// namespace detail { ///////////////////////////////////////////////////////////////// @@ -326,128 +382,57 @@ // CLASS NAME : RepositoryIterator // /** */ - class RepositoryIterator : public boost::iterator_adaptor< + class RepositoryIterator : public boost::iterator_adaptor< RepositoryIterator // Derived , ::_Repo ** // Base - , Repository // Value + , Repository // Value , boost::forward_traversal_tag // CategoryOrTraversal , Repository // Reference > - { + { public: - RepositoryIterator() - : RepositoryIterator::iterator_adaptor_( 0 ) - {} - - explicit RepositoryIterator( ::_Repo ** p ) - : RepositoryIterator::iterator_adaptor_( p ) - {} + RepositoryIterator() + : RepositoryIterator::iterator_adaptor_( 0 ) + {} + + explicit RepositoryIterator( ::_Repo ** p ) + : RepositoryIterator::iterator_adaptor_( p ) + {} private: - friend class boost::iterator_core_access; + friend class boost::iterator_core_access; - Repository dereference() const - { return Repository( *base() ); } - }; - /////////////////////////////////////////////////////////////////// - /////////////////////////////////////////////////////////////////// - // - // CLASS NAME : ByRepository - // - /** Functor filtering \ref Solvable by \ref Repository.*/ - struct ByRepository - { + Repository dereference() const + { return Repository( *base() ); } + }; + /////////////////////////////////////////////////////////////////// + /////////////////////////////////////////////////////////////////// + // + // CLASS NAME : ByRepository + // + /** Functor filtering \ref Solvable by \ref Repository.*/ + struct ByRepository + { public: - ByRepository( const Repository & repository_r ) : _repository( repository_r ) {} - ByRepository( sat::detail::RepoIdType id_r ) : _repository( id_r ) {} - ByRepository() {} + ByRepository( const Repository & repository_r ) : _repository( repository_r ) {} + ByRepository( sat::detail::RepoIdType id_r ) : _repository( id_r ) {} + ByRepository() {} - bool operator()( const sat::Solvable & slv_r ) const - { return slv_r.repository() == _repository; } + bool operator()( const sat::Solvable & slv_r ) const + { return slv_r.repository() == _repository; } private: - Repository _repository; - }; - /////////////////////////////////////////////////////////////////// - ///////////////////////////////////////////////////////////////// + Repository _repository; + }; + /////////////////////////////////////////////////////////////////// + ///////////////////////////////////////////////////////////////// } // namespace detail /////////////////////////////////////////////////////////////////// - - ///////////////////////////////////////////////////////////////// + ///////////////////////////////////////////////////////////////// } // namespace zypp /////////////////////////////////////////////////////////////////// -#include "zypp/sat/LookupAttr.h" - -#if 0 - -namespace zypp -{ - /** - * Query class for Repository related products - * - * The iterator does not provide a dereference - * operator so you can do * on it, but you can - * access the attributes of each related product - * directly from the iterator. - * - * \code - * for ( Repository::ProductInfoIterator it = repo->compatibleWithProductBegin(); - * it != repo->compatibleWithProductEnd(); - * ++it ) - * { - * cout << it.cpeid() << endl; - * } - * \endcode - * - */ - class Repository::ProductInfoIterator : public boost::iterator_adaptor< - Repository::ProductInfoIterator // Derived - , sat::LookupAttr::iterator // Base - , int // Value - , boost::forward_traversal_tag // CategoryOrTraversal - , int - > - { - public: - ProductInfoIterator() {} - explicit ProductInfoIterator( const sat::Solvable & val_r, - const sat::SolvAttr & arrayid ); - - /** - * Product label - */ - std::string label() const; - - /** - * The Common Platform Enumeration name - * for this product. - * - * See http://cpe.mitre.org - */ - std::string cpeid() const; - - private: - friend class boost::iterator_core_access; - int dereference() const { return 0; } - }; - - inline Repository::ProductInfoIterator Repository::compatibleWithProductBegin() const - { return ProductInfoIterator(satSolvable(), sat::SolvAttr::repositoryDistros); } - - inline Repository::ProductInfoIterator Repository::compatibleWithProductEnd() const - { return ProductInfoIterator(); } - - inline Repository::ProductInfoIterator Repository::updatesProductBegin() const - { return ProductInfoIterator(satSolvable(), , sat::SolvAttr::repositoryUpdates); } - - inline Repository::ProductInfoIterator Repository::updatesProductEnd() const - { return ProductInfoIterator(); } - - -} -#endif +// Late include as sat::ArrayAttr requires Repository.h +#include "zypp/sat/LookupAttrTools.h" #endif // ZYPP_SAT_REPOSITORY_H - - Modified: trunk/libzypp/zypp/sat/LookupAttr.cc URL: http://svn.opensuse.org/viewcvs/zypp/trunk/libzypp/zypp/sat/LookupAttr.cc?rev=11747&r1=11746&r2=11747&view=diff ============================================================================== --- trunk/libzypp/zypp/sat/LookupAttr.cc (original) +++ trunk/libzypp/zypp/sat/LookupAttr.cc Thu Nov 20 16:00:52 2008 @@ -19,6 +19,7 @@ #include "zypp/sat/LookupAttr.h" #include "zypp/CheckSum.h" +#include "zypp/sat/Pool.h" using std::endl; @@ -29,38 +30,162 @@ namespace sat { ///////////////////////////////////////////////////////////////// - LookupAttr::iterator LookupAttr::begin() const + /////////////////////////////////////////////////////////////////// + // + // CLASS NAME : LookupAttr::Impl + // + /////////////////////////////////////////////////////////////////// + + class LookupAttr::Impl { - if ( _attr == SolvAttr::noAttr ) - return iterator(); + public: + Impl() + {} + Impl( SolvAttr attr_r ) + : _attr( attr_r ) + {} + Impl( SolvAttr attr_r, Repository repo_r ) + : _attr( attr_r ), _repo( repo_r ) + {} + Impl( SolvAttr attr_r, Solvable solv_r ) + : _attr( attr_r ), _solv( solv_r ) + {} + + public: + SolvAttr attr() const + { return _attr; } + + void setAttr( SolvAttr attr_r ) + { _attr = attr_r; } + + public: + bool pool() const + { return ! (_repo || _solv); } + + void setPool() + { + _repo = Repository::noRepository; + _solv = Solvable::noSolvable; + } + + Repository repo() const + { return _repo; } + + void setRepo( Repository repo_r ) + { + _repo = repo_r; + _solv = Solvable::noSolvable; + } + + Solvable solvable() const + { return _solv; } + + void setSolvable( Solvable solv_r ) + { + _repo = Repository::noRepository; + _solv = solv_r; + } + + LookupAttr::iterator begin() const + { + if ( _attr == SolvAttr::noAttr ) + return end(); #warning Need to call dataiterator_free, use Autodispose instead of scoped_ptr - scoped_ptr< ::_Dataiterator> dip( new ::Dataiterator ); - // needed while LookupAttr::iterator::dip_equal does ::memcmp: - ::memset( dip.get(), 0, sizeof(::_Dataiterator) ); + scoped_ptr< ::_Dataiterator> dip( new ::Dataiterator ); + // needed while LookupAttr::iterator::dip_equal does ::memcmp: + ::memset( dip.get(), 0, sizeof(::_Dataiterator) ); + + if ( _solv ) + { + ::dataiterator_init( dip.get(), sat::Pool::instance().get(), _solv.repository().id(), _solv.id(), _attr.id(), 0, 0 ); + } + else if ( _repo ) + { + ::dataiterator_init( dip.get(), sat::Pool::instance().get(), _repo.id(), 0, _attr.id(), 0, 0 ); + } + else if ( ! sat::Pool::instance().reposEmpty() ) + { + ::dataiterator_init( dip.get(), sat::Pool::instance().get(), 0, 0, _attr.id(), 0, 0 ); + } + else + return end(); - if ( _solv ) - { - ::dataiterator_init( dip.get(), sat::Pool::instance().get(), _solv.repository().id(), _solv.id(), _attr.id(), 0, 0 ); - } - else if ( _repo ) - { - ::dataiterator_init( dip.get(), sat::Pool::instance().get(), _repo.id(), 0, _attr.id(), 0, 0 ); - } - else if ( ! sat::Pool::instance().reposEmpty() ) - { - ::dataiterator_init( dip.get(), sat::Pool::instance().get(), 0, 0, _attr.id(), 0, 0 ); - } - else - return iterator(); + return iterator( dip ); // iterator takes over ownership! + } - return iterator( dip ); // iterator takes over ownership! - } + LookupAttr::iterator end() const + { return iterator(); } + + private: + SolvAttr _attr; + Repository _repo; + Solvable _solv; + + private: + friend Impl * rwcowClone<Impl>( const Impl * rhs ); + /** clone for RWCOW_pointer */ + Impl * clone() const + { return new Impl( *this ); } + }; + + /////////////////////////////////////////////////////////////////// + // + // CLASS NAME : LookupAttr + // + /////////////////////////////////////////////////////////////////// + + LookupAttr::LookupAttr() + : _pimpl( new Impl ) + {} + + LookupAttr::LookupAttr( SolvAttr attr_r ) + : _pimpl( new Impl( attr_r ) ) + {} + + LookupAttr::LookupAttr( SolvAttr attr_r, Repository repo_r ) + : _pimpl( new Impl( attr_r, repo_r ) ) + {} + + LookupAttr::LookupAttr( SolvAttr attr_r, Solvable solv_r ) + : _pimpl( new Impl( attr_r, solv_r ) ) + {} + + /////////////////////////////////////////////////////////////////// + + SolvAttr LookupAttr::attr() const + { return _pimpl->attr(); } + + void LookupAttr::setAttr( SolvAttr attr_r ) + { _pimpl->setAttr( attr_r ); } + + /////////////////////////////////////////////////////////////////// + + bool LookupAttr::pool() const + { return _pimpl->pool(); } + + void LookupAttr::setPool() + { _pimpl->setPool(); } + + Repository LookupAttr::repo() const + { return _pimpl->repo(); } + + void LookupAttr::setRepo( Repository repo_r ) + { _pimpl->setRepo( repo_r ); } + + Solvable LookupAttr::solvable() const + { return _pimpl->solvable(); } + + void LookupAttr::setSolvable( Solvable solv_r ) + { _pimpl->setSolvable( solv_r ); } + + /////////////////////////////////////////////////////////////////// + + LookupAttr::iterator LookupAttr::begin() const + { return _pimpl->begin(); } LookupAttr::iterator LookupAttr::end() const - { - return iterator(); - } + { return _pimpl->end(); } bool LookupAttr::empty() const { return begin() == end(); } @@ -73,6 +198,8 @@ return c; } + /////////////////////////////////////////////////////////////////// + std::ostream & operator<<( std::ostream & str, const LookupAttr & obj ) { if ( obj.attr() == SolvAttr::noAttr ) Modified: trunk/libzypp/zypp/sat/LookupAttr.h URL: http://svn.opensuse.org/viewcvs/zypp/trunk/libzypp/zypp/sat/LookupAttr.h?rev=11747&r1=11746&r2=11747&view=diff ============================================================================== --- trunk/libzypp/zypp/sat/LookupAttr.h (original) +++ trunk/libzypp/zypp/sat/LookupAttr.h Thu Nov 20 16:00:52 2008 @@ -21,11 +21,15 @@ #include "zypp/base/PtrTypes.h" #include "zypp/base/DefaultIntegral.h" -#include "zypp/sat/Pool.h" +#include "zypp/sat/detail/PoolMember.h" +#include "zypp/sat/SolvAttr.h" /////////////////////////////////////////////////////////////////// namespace zypp { ///////////////////////////////////////////////////////////////// + + class CheckSum; + /////////////////////////////////////////////////////////////////// namespace sat { ///////////////////////////////////////////////////////////////// @@ -75,22 +79,16 @@ public: /** Default ctor finds nothing. */ - LookupAttr() - {} + LookupAttr(); + /** Lookup \ref SolvAttr in \ref Pool (all repositories). */ - explicit - LookupAttr( SolvAttr attr_r ) - : _attr( attr_r ) - {} + explicit LookupAttr( SolvAttr attr_r ); + /** Lookup \ref SolvAttr in one\ref Repository. */ - explicit - LookupAttr( SolvAttr attr_r, Repository repo_r ) - : _attr( attr_r ), _repo( repo_r ) - {} + explicit LookupAttr( SolvAttr attr_r, Repository repo_r ); + /** Lookup \ref SolvAttr in one \ref Solvable. */ - LookupAttr( SolvAttr attr_r, Solvable solv_r ) - : _attr( attr_r ), _solv( solv_r ) - {} + LookupAttr( SolvAttr attr_r, Solvable solv_r ); public: /** \name Search result. */ @@ -120,55 +118,37 @@ /** \name What to search. */ //@{ /** The \ref SolvAttr to search. */ - SolvAttr attr() const - { return _attr; } + SolvAttr attr() const; /** Set the \ref SolvAttr to search. */ - void setAttr( SolvAttr attr_r ) - { _attr = attr_r; } + void setAttr( SolvAttr attr_r ); //@} public: /** \name Where to search. */ //@{ /** Wheter to search in \ref Pool. */ - bool pool() const - { return ! (_repo || _solv); } + bool pool() const; /** Set search in \ref Pool (all repositories). */ - void setPool() - { - _repo = Repository::noRepository; - _solv = Solvable::noSolvable; - } + void setPool(); /** Wheter to search in one \ref Repository. */ - Repository repo() const - { return _repo; } + Repository repo() const; /** Set search in one \ref Repository. */ - void setRepo( Repository repo_r ) - { - _repo = repo_r; - _solv = Solvable::noSolvable; - } + void setRepo( Repository repo_r ); /** Wheter to search in one \ref Solvable. */ - Solvable solvable() const - { return _solv; } + Solvable solvable() const; /** Set search in one \ref Solvable. */ - void setSolvable( Solvable solv_r ) - { - _repo = Repository::noRepository; - _solv = solv_r; - } + void setSolvable( Solvable solv_r ); //@} private: - SolvAttr _attr; - Repository _repo; - Solvable _solv; + class Impl; + RWCOW_pointer<Impl> _pimpl; }; /////////////////////////////////////////////////////////////////// @@ -391,6 +371,10 @@ /** \relates LookupAttr::iterator Stream output. */ std::ostream & operator<<( std::ostream & str, const LookupAttr::iterator & obj ); + /////////////////////////////////////////////////////////////////// + + /** \name Helpers and forward declarations from LookupAttrTools.h */ + //@{ template<> inline int LookupAttr::iterator::asType<int>() const { return asInt(); } template<> inline unsigned LookupAttr::iterator::asType<unsigned>() const { return asUnsigned(); } template<> inline bool LookupAttr::iterator::asType<bool>() const { return asBool(); } @@ -398,182 +382,9 @@ template<> inline std::string LookupAttr::iterator::asTypestd::string() const { return asString(); } template<> inline IdString LookupAttr::iterator::asType<IdString>() const { return idStr(); } - /////////////////////////////////////////////////////////////////// - // - // CLASS NAME : LookupAttr::transformIterator - // - /** TransformIterator returning an \ref iterator value of type \c _ResultT. - * - * The underlying LookupAttr::iterators value is retrieved \ref asType<_AttrT> - * and the returned \ref ResultT is constructed fron that value. - * - * \code - * class Keywords - * { - * public: - * Keywords( sat::Solvable solv_r ) - * : _q( sat::SolvAttr::keywords, solv_r ) - * {} - * - * public: - * typedef sat::LookupAttr::transformIterator iterator; - * - * iterator begin() const { return iterator( _q.begin() ); } - * iterator end() const { return iterator( _q.end() ); } - * - * private: - * sat::LookupAttr _q; - * }; - * \endcode - * - * \see \ref ArrayAttr. - */ - template - class LookupAttr::transformIterator : public boost::iterator_adaptor< - transformIterator<_ResultT,_AttrT> // Derived - , LookupAttr::iterator // Base - , _ResultT // Value - , boost::forward_traversal_tag // CategoryOrTraversal - , _ResultT // Reference - > - { - public: - transformIterator() - {} - - explicit - transformIterator( const LookupAttr::iterator & val_r ) - { this->base_reference() = val_r; } - - public: - - /** \name Moving fast forward. */ - //@{ - /** On the next call to \ref operator++ advance to the next \ref SolvAttr. */ - void nextSkipSolvAttr() - { this->base_reference().nextSkipSolvAttr(); } - - /** On the next call to \ref operator++ advance to the next \ref Solvable. */ - void nextSkipSolvable() - { this->base_reference().nextSkipSolvable(); } - - /** On the next call to \ref operator++ advance to the next \ref Repository. */ - void nextSkipRepo() - { this->base_reference().nextSkipRepo(); } - - /** Immediately advance to the next \ref SolvAttr. */ - void skipSolvAttr() - { this->base_reference().skipSolvAttr(); } - - /** Immediately advance to the next \ref Solvable. */ - void skipSolvable() - { this->base_reference().skipSolvable(); } - - /** Immediately advance to the next \ref Repository. */ - void skipRepo() - { this->base_reference().skipRepo(); } - //@} - - /** \name Current position info. */ - //@{ - /** The current \ref Repository. */ - Repository inRepo() const - { return this->base_reference().inRepo(); } - - /** The current \ref Solvabele. */ - Solvable inSolvable() const - { return this->base_reference().inSolvable(); } - - /** The current \ref SolvAttr. */ - SolvAttr inSolvAttr() const - { return this->base_reference().inSolvAttr(); } - //@} - - private: - friend class boost::iterator_core_access; - - _ResultT dereference() const - { - const LookupAttr::iterator lit( this->base_reference() ); - return _ResultT( lit.asType<_AttrT>() ); - } - }; - /////////////////////////////////////////////////////////////////// - template class ArrayAttr; - - template - std::ostream & operator<<( std::ostream & str, const ArrayAttr<_ResultT,_AttrT> & obj ); - - /////////////////////////////////////////////////////////////////// - // - // CLASS NAME : ArrayAttr - // - /** \ref LookupAttr::transformIterator based container to retrieve list attributes. - * - * \code - * typedef ArrayAttr Keywords; - * Keywords k( sat::SolvAttr::keywords ); - * dumpRange( MIL << "All Keywords: ", k.begin(), k.end() ) << endl; - * \endcode - * - * \todo Maybe add some way to unify the result. - */ - template - class ArrayAttr - { - friend std::ostream & operator<< <_ResultT,_AttrT>( std::ostream & str, const ArrayAttr<_ResultT,_AttrT> & obj ); - - public: - ArrayAttr() - {} - - ArrayAttr( SolvAttr attr_r ) - : _q( attr_r ) - {} - - ArrayAttr( SolvAttr attr_r, Repository repo_r ) - : _q( attr_r, repo_r ) - {} - - ArrayAttr( SolvAttr attr_r, Solvable solv_r ) - : _q( attr_r, solv_r ) - {} - - public: - typedef sat::LookupAttr::transformIterator<_ResultT,_AttrT> iterator; - - iterator begin() const - { return iterator( _q.begin() ); } - - iterator end() const - { return iterator( _q.end() ); } - - bool empty() const - { return _q.empty(); } - - public: - - iterator find( const _ResultT & key_r ) const - { - for_( it, begin(), end() ) - { - if ( *it == key_r ) - return it; - } - return end(); - } - - private: - sat::LookupAttr _q; - }; - /////////////////////////////////////////////////////////////////// - - /** \relates LookupAttr::iterator Stream output. */ - template - inline std::ostream & operator<<( std::ostream & str, const ArrayAttr<_ResultT,_AttrT> & obj ) - { return dumpOn( str, obj._q); } + //@} ///////////////////////////////////////////////////////////////// } // namespace sat Added: trunk/libzypp/zypp/sat/LookupAttrTools.h URL: http://svn.opensuse.org/viewcvs/zypp/trunk/libzypp/zypp/sat/LookupAttrTools.h?rev=11747&view=auto ============================================================================== --- trunk/libzypp/zypp/sat/LookupAttrTools.h (added) +++ trunk/libzypp/zypp/sat/LookupAttrTools.h Thu Nov 20 16:00:52 2008 @@ -0,0 +1,208 @@ +/*---------------------------------------------------------------------\ +| ____ _ __ __ ___ | +| |__ / \ / / . \ . \ | +| / / \ V /| _/ _/ | +| / /__ | | | | | | | +| /_____||_| |_| |_| | +| | +\---------------------------------------------------------------------*/ +/** \file zypp/sat/LookupAttrTools.h + * +*/ +#ifndef ZYPP_SAT_LOOKUPATTRTOOLS_H +#define ZYPP_SAT_LOOKUPATTRTOOLS_H + +#include "zypp/sat/LookupAttr.h" +#include "zypp/Repository.h" + +/////////////////////////////////////////////////////////////////// +namespace zypp +{ ///////////////////////////////////////////////////////////////// + /////////////////////////////////////////////////////////////////// + namespace sat + { ///////////////////////////////////////////////////////////////// + + /////////////////////////////////////////////////////////////////// + // + // CLASS NAME : LookupAttr::transformIterator + // + /** TransformIterator returning an \ref iterator value of type \c _ResultT. + * + * The underlying LookupAttr::iterators value is retrieved \ref asType<_AttrT> + * and the returned \ref ResultT is constructed fron that value. + * + * \code + * class Keywords + * { + * public: + * Keywords( sat::Solvable solv_r ) + * : _q( sat::SolvAttr::keywords, solv_r ) + * {} + * + * public: + * typedef sat::LookupAttr::transformIterator iterator; + * + * iterator begin() const { return iterator( _q.begin() ); } + * iterator end() const { return iterator( _q.end() ); } + * + * private: + * sat::LookupAttr _q; + * }; + * \endcode + * + * \see \ref ArrayAttr. + */ + template + class LookupAttr::transformIterator : public boost::iterator_adaptor< + transformIterator<_ResultT,_AttrT> // Derived + , LookupAttr::iterator // Base + , _ResultT // Value + , boost::forward_traversal_tag // CategoryOrTraversal + , _ResultT // Reference + > + { + public: + transformIterator() + {} + + explicit + transformIterator( const LookupAttr::iterator & val_r ) + { this->base_reference() = val_r; } + + public: + + /** \name Moving fast forward. */ + //@{ + /** On the next call to \ref operator++ advance to the next \ref SolvAttr. */ + void nextSkipSolvAttr() + { this->base_reference().nextSkipSolvAttr(); } + + /** On the next call to \ref operator++ advance to the next \ref Solvable. */ + void nextSkipSolvable() + { this->base_reference().nextSkipSolvable(); } + + /** On the next call to \ref operator++ advance to the next \ref Repository. */ + void nextSkipRepo() + { this->base_reference().nextSkipRepo(); } + + /** Immediately advance to the next \ref SolvAttr. */ + void skipSolvAttr() + { this->base_reference().skipSolvAttr(); } + + /** Immediately advance to the next \ref Solvable. */ + void skipSolvable() + { this->base_reference().skipSolvable(); } + + /** Immediately advance to the next \ref Repository. */ + void skipRepo() + { this->base_reference().skipRepo(); } + //@} + + /** \name Current position info. */ + //@{ + /** The current \ref Repository. */ + Repository inRepo() const + { return this->base_reference().inRepo(); } + + /** The current \ref Solvabele. */ + Solvable inSolvable() const + { return this->base_reference().inSolvable(); } + + /** The current \ref SolvAttr. */ + SolvAttr inSolvAttr() const + { return this->base_reference().inSolvAttr(); } + //@} + + private: + friend class boost::iterator_core_access; + + _ResultT dereference() const + { + const LookupAttr::iterator lit( this->base_reference() ); + return _ResultT( lit.asType<_AttrT>() ); + } + }; + /////////////////////////////////////////////////////////////////// + + template + class ArrayAttr; + + template + std::ostream & operator<<( std::ostream & str, const ArrayAttr<_ResultT,_AttrT> & obj ); + + /////////////////////////////////////////////////////////////////// + // + // CLASS NAME : ArrayAttr + // + /** \ref LookupAttr::transformIterator based container to retrieve list attributes. + * + * \code + * typedef ArrayAttr Keywords; + * Keywords k( sat::SolvAttr::keywords ); + * dumpRange( MIL << "All Keywords: ", k.begin(), k.end() ) << endl; + * \endcode + * + * \todo Maybe add some way to unify the result. + */ + template + class ArrayAttr + { + friend std::ostream & operator<< <_ResultT,_AttrT>( std::ostream & str, const ArrayAttr<_ResultT,_AttrT> & obj ); + + public: + ArrayAttr() + {} + + ArrayAttr( SolvAttr attr_r ) + : _q( attr_r ) + {} + + ArrayAttr( SolvAttr attr_r, Repository repo_r ) + : _q( attr_r, repo_r ) + {} + + ArrayAttr( SolvAttr attr_r, Solvable solv_r ) + : _q( attr_r, solv_r ) + {} + + public: + typedef sat::LookupAttr::transformIterator<_ResultT,_AttrT> iterator; + + iterator begin() const + { return iterator( _q.begin() ); } + + iterator end() const + { return iterator( _q.end() ); } + + bool empty() const + { return _q.empty(); } + + public: + + iterator find( const _ResultT & key_r ) const + { + for_( it, begin(), end() ) + { + if ( *it == key_r ) + return it; + } + return end(); + } + + private: + sat::LookupAttr _q; + }; + /////////////////////////////////////////////////////////////////// + + /** \relates LookupAttr::iterator Stream output. */ + template + inline std::ostream & operator<<( std::ostream & str, const ArrayAttr<_ResultT,_AttrT> & obj ) + { return dumpOn( str, obj._q ); } + + ///////////////////////////////////////////////////////////////// + } // namespace sat + /////////////////////////////////////////////////////////////////// + ///////////////////////////////////////////////////////////////// +} // namespace zypp +/////////////////////////////////////////////////////////////////// +#endif // ZYPP_SAT_LOOKUPATTRTOOLS_H -- To unsubscribe, e-mail: zypp-commit+unsubscribe@opensuse.org For additional commands, e-mail: zypp-commit+help@opensuse.org