[ntk/apt.git] / apt-pkg / cacheiterators.h

// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: cacheiterators.h,v 1.14 1999/07/10 04:58:42 jgg Exp $
/* ######################################################################
   
   Cache Iterators - Iterators for navigating the cache structure
   
   The iterators all provides ++,==,!=,->,* and end for their type.
   The end function can be used to tell if the list has been fully
   traversed.
   
   Unlike STL iterators these contain helper functions to access the data
   that is being iterated over. This is because the data structures can't
   be formed in a manner that is intuitive to use and also mmapable.
   
   For each variable in the target structure that would need a translation
   to be accessed correctly a translating function of the same name is
   present in the iterator. If applicable the translating function will
   return an iterator.

   The DepIterator can iterate over two lists, a list of 'version depends'
   or a list of 'package reverse depends'. The type is determined by the
   structure passed to the constructor, which should be the structure
   that has the depends pointer as a member. The provide iterator has the
   same system.
   
   This header is not user includable, please use apt-pkg/pkgcache.h
   
   ##################################################################### */
									/*}}}*/
// Header section: pkglib
#ifndef PKGLIB_CACHEITERATORS_H
#define PKGLIB_CACHEITERATORS_H

#ifdef __GNUG__
#pragma interface "apt-pkg/cacheiterators.h"
#endif 

// Package Iterator
class pkgCache::PkgIterator
{
   Package *Pkg;
   pkgCache *Owner;
   long HashIndex;

   public:

   enum OkState {NeedsNothing,NeedsUnpack,NeedsConfigure};
      
   // Iteration
   void operator ++(int);
   inline void operator ++() {operator ++(0);};
   inline bool end() const {return Owner == 0 || Pkg == Owner->PkgP?true:false;};

   // Comparison
   inline bool operator ==(const PkgIterator &B) const {return Pkg == B.Pkg;};
   inline bool operator !=(const PkgIterator &B) const {return Pkg != B.Pkg;};
			   
   // Accessors
   inline Package *operator ->() {return Pkg;};
   inline Package const *operator ->() const {return Pkg;};
   inline Package const &operator *() const {return *Pkg;};
   inline operator Package *() {return Pkg == Owner->PkgP?0:Pkg;};
   inline operator Package const *() const {return Pkg == Owner->PkgP?0:Pkg;};
   
   inline const char *Name() const {return Pkg->Name == 0?0:Owner->StrP + Pkg->Name;};
   inline const char *Section() const {return Pkg->Section == 0?0:Owner->StrP + Pkg->Section;};
   inline const char *TargetDist() const {return Pkg->TargetDist == 0?0:Owner->StrP + Pkg->TargetDist;};
   inline bool Purge() const {return Pkg->CurrentState == pkgCache::State::Purge;};
   inline VerIterator VersionList() const;
   inline VerIterator TargetVer() const;
   inline VerIterator CurrentVer() const;
   inline DepIterator RevDependsList() const;
   inline PrvIterator ProvidesList() const;
   inline unsigned long Index() const {return Pkg - Owner->PkgP;};
   OkState State() const;
   
   // Constructors
   inline PkgIterator(pkgCache &Owner) : Owner(&Owner), HashIndex(-1)
   {
      Pkg = Owner.PkgP;
      operator ++(0);
   };
   inline PkgIterator(pkgCache &Owner,Package *Trg) : Pkg(Trg), Owner(&Owner),
          HashIndex(0) 
   { 
      if (Pkg == 0)
	 Pkg = Owner.PkgP;
   };
   inline PkgIterator() : Pkg(0), Owner(0), HashIndex(0) {};
};

// Version Iterator
class pkgCache::VerIterator
{
   Version *Ver;
   pkgCache *Owner;
   
   void _dummy();
   
   public:

   // Iteration
   void operator ++(int) {if (Ver != Owner->VerP) Ver = Owner->VerP + Ver->NextVer;};
   inline void operator ++() {operator ++(0);};
   inline bool end() const {return Ver == Owner->VerP?true:false;};
   inline void operator =(const VerIterator &B) {Ver = B.Ver; Owner = B.Owner;};
   
   // Comparison
   inline bool operator ==(const VerIterator &B) const {return Ver == B.Ver;};
   inline bool operator !=(const VerIterator &B) const {return Ver != B.Ver;};
   int CompareVer(const VerIterator &B) const;
   
   // Accessors
   inline Version *operator ->() {return Ver;};
   inline Version const *operator ->() const {return Ver;};
   inline Version &operator *() {return *Ver;};
   inline Version const &operator *() const {return *Ver;};
   inline operator Version *() {return Ver == Owner->VerP?0:Ver;};
   inline operator Version const *() const {return Ver == Owner->VerP?0:Ver;};
   
   inline const char *VerStr() const {return Ver->VerStr == 0?0:Owner->StrP + Ver->VerStr;};
   inline const char *Section() const {return Ver->Section == 0?0:Owner->StrP + Ver->Section;};
   inline const char *Arch() const {return Ver->Arch == 0?0:Owner->StrP + Ver->Arch;};
   inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + Ver->ParentPkg);};
   inline DepIterator DependsList() const;
   inline PrvIterator ProvidesList() const;
   inline VerFileIterator FileList() const;
   inline unsigned long Index() const {return Ver - Owner->VerP;};
   bool Downloadable() const;
   const char *PriorityType();

   bool Automatic() const;
   VerFileIterator NewestFile() const;

   inline VerIterator() : Ver(0), Owner(0) {};   
   inline VerIterator(pkgCache &Owner,Version *Trg = 0) : Ver(Trg), 
              Owner(&Owner) 
   { 
      if (Ver == 0)
	 Ver = Owner.VerP;
   };
};

// Dependency iterator
class pkgCache::DepIterator
{
   Dependency *Dep;
   enum {DepVer, DepRev} Type;
   pkgCache *Owner;
   
   void _dummy();
   
   public:

   // Iteration
   void operator ++(int) {if (Dep != Owner->DepP) Dep = Owner->DepP +
	(Type == DepVer?Dep->NextDepends:Dep->NextRevDepends);};
   inline void operator ++() {operator ++(0);};
   inline bool end() const {return Owner == 0 || Dep == Owner->DepP?true:false;};
   
   // Comparison
   inline bool operator ==(const DepIterator &B) const {return Dep == B.Dep;};
   inline bool operator !=(const DepIterator &B) const {return Dep != B.Dep;};

   // Accessors
   inline Dependency *operator ->() {return Dep;};
   inline Dependency const *operator ->() const {return Dep;};
   inline Dependency &operator *() {return *Dep;};
   inline Dependency const &operator *() const {return *Dep;};
   inline operator Dependency *() {return Dep == Owner->DepP?0:Dep;};
   inline operator Dependency const *() const {return Dep == Owner->DepP?0:Dep;};
   
   inline const char *TargetVer() const {return Dep->Version == 0?0:Owner->StrP + Dep->Version;};
   inline PkgIterator TargetPkg() {return PkgIterator(*Owner,Owner->PkgP + Dep->Package);};
   inline PkgIterator SmartTargetPkg() {PkgIterator R(*Owner);SmartTargetPkg(R);return R;};
   inline VerIterator ParentVer() {return VerIterator(*Owner,Owner->VerP + Dep->ParentVer);};
   inline PkgIterator ParentPkg() {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[Dep->ParentVer].ParentPkg);};
   inline bool Reverse() {return Type == DepRev;};
   inline unsigned long Index() const {return Dep - Owner->DepP;};
   bool IsCritical();
   void GlobOr(DepIterator &Start,DepIterator &End);
   Version **AllTargets();   
   bool SmartTargetPkg(PkgIterator &Result);
   const char *CompType();
   const char *DepType();
   
   inline DepIterator(pkgCache &Owner,Dependency *Trg,Version * = 0) :
          Dep(Trg), Type(DepVer), Owner(&Owner) 
   {
      if (Dep == 0)
	 Dep = Owner.DepP;
   };
   inline DepIterator(pkgCache &Owner,Dependency *Trg,Package *) :
          Dep(Trg), Type(DepRev), Owner(&Owner)
   {
      if (Dep == 0)
	 Dep = Owner.DepP;
   };
   inline DepIterator() : Dep(0), Type(DepVer), Owner(0) {};
};

// Provides iterator
class pkgCache::PrvIterator
{
   Provides *Prv;
   enum {PrvVer, PrvPkg} Type;
   pkgCache *Owner;
   
   void _dummy();
   
   public:

   // Iteration
   void operator ++(int) {if (Prv != Owner->ProvideP) Prv = Owner->ProvideP +
	(Type == PrvVer?Prv->NextPkgProv:Prv->NextProvides);};
   inline void operator ++() {operator ++(0);};
   inline bool end() const {return Prv == Owner->ProvideP?true:false;};
   
   // Comparison
   inline bool operator ==(const PrvIterator &B) const {return Prv == B.Prv;};
   inline bool operator !=(const PrvIterator &B) const {return Prv != B.Prv;};

   // Accessors
   inline Provides *operator ->() {return Prv;};
   inline Provides const *operator ->() const {return Prv;};
   inline Provides &operator *() {return *Prv;};
   inline Provides const &operator *() const {return *Prv;};
   inline operator Provides *() {return Prv == Owner->ProvideP?0:Prv;};
   inline operator Provides const *() const {return Prv == Owner->ProvideP?0:Prv;};

   inline const char *Name() const {return Owner->StrP + Owner->PkgP[Prv->ParentPkg].Name;};
   inline const char *ProvideVersion() const {return Prv->ProvideVersion == 0?0:Owner->StrP + Prv->ProvideVersion;};
   inline PkgIterator ParentPkg() {return PkgIterator(*Owner,Owner->PkgP + Prv->ParentPkg);};
   inline VerIterator OwnerVer() {return VerIterator(*Owner,Owner->VerP + Prv->Version);};
   inline PkgIterator OwnerPkg() {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[Prv->Version].ParentPkg);};
   inline unsigned long Index() const {return Prv - Owner->ProvideP;};

   inline PrvIterator(pkgCache &Owner,Provides *Trg,Version *) :
          Prv(Trg), Type(PrvVer), Owner(&Owner) 
   {
      if (Prv == 0)
	 Prv = Owner.ProvideP;
   };
   inline PrvIterator(pkgCache &Owner,Provides *Trg,Package *) : 
          Prv(Trg), Type(PrvPkg), Owner(&Owner)
   {
      if (Prv == 0)
	 Prv = Owner.ProvideP;
   };
};

// Package file 
class pkgCache::PkgFileIterator
{
   pkgCache *Owner;
   PackageFile *File;

   public:

   // Iteration
   void operator ++(int) {if (File!= Owner->PkgFileP) File = Owner->PkgFileP + File->NextFile;};
   inline void operator ++() {operator ++(0);};
   inline bool end() const {return File == Owner->PkgFileP?true:false;};

   // Comparison
   inline bool operator ==(const PkgFileIterator &B) const {return File == B.File;};
   inline bool operator !=(const PkgFileIterator &B) const {return File != B.File;};
			   
   // Accessors
   inline PackageFile *operator ->() {return File;};
   inline PackageFile const *operator ->() const {return File;};
   inline PackageFile const &operator *() const {return *File;};
   inline operator PackageFile *() {return File == Owner->PkgFileP?0:File;};
   inline operator PackageFile const *() const {return File == Owner->PkgFileP?0:File;};

   inline const char *FileName() const {return File->FileName == 0?0:Owner->StrP + File->FileName;};
   inline const char *Archive() const {return File->Archive == 0?0:Owner->StrP + File->Archive;};
   inline const char *Component() const {return File->Component == 0?0:Owner->StrP + File->Component;};
   inline const char *Version() const {return File->Version == 0?0:Owner->StrP + File->Version;};
   inline const char *Origin() const {return File->Origin == 0?0:Owner->StrP + File->Origin;};
   inline const char *Label() const {return File->Origin == 0?0:Owner->StrP + File->Label;};
   inline const char *Architecture() const {return File->Origin == 0?0:Owner->StrP + File->Architecture;};

   inline unsigned long Index() const {return File - Owner->PkgFileP;};

   bool IsOk();
   
   // Constructors
   inline PkgFileIterator(pkgCache &Owner) : Owner(&Owner), File(Owner.PkgFileP + Owner.Head().FileList) {};
   inline PkgFileIterator(pkgCache &Owner,PackageFile *Trg) : Owner(&Owner), File(Trg) {};
};

// Version File 
class pkgCache::VerFileIterator
{
   pkgCache *Owner;
   VerFile *FileP;

   public:

   // Iteration
   void operator ++(int) {if (FileP != Owner->VerFileP) FileP = Owner->VerFileP + FileP->NextFile;};
   inline void operator ++() {operator ++(0);};
   inline bool end() const {return FileP == Owner->VerFileP?true:false;};

   // Comparison
   inline bool operator ==(const VerFileIterator &B) const {return FileP == B.FileP;};
   inline bool operator !=(const VerFileIterator &B) const {return FileP != B.FileP;};
			   
   // Accessors
   inline VerFile *operator ->() {return FileP;};
   inline VerFile const *operator ->() const {return FileP;};
   inline VerFile const &operator *() const {return *FileP;};
   inline operator VerFile *() {return FileP == Owner->VerFileP?0:FileP;};
   inline operator VerFile const *() const {return FileP == Owner->VerFileP?0:FileP;};
  
   inline PkgFileIterator File() const {return PkgFileIterator(*Owner,FileP->File + Owner->PkgFileP);};
   inline unsigned long Index() const {return FileP - Owner->VerFileP;};
      
   inline VerFileIterator(pkgCache &Owner,VerFile *Trg) : Owner(&Owner), FileP(Trg) {};
};

// Inlined Begin functions cant be in the class because of order problems
inline pkgCache::VerIterator pkgCache::PkgIterator::VersionList() const
       {return VerIterator(*Owner,Owner->VerP + Pkg->VersionList);};
inline pkgCache::VerIterator pkgCache::PkgIterator::CurrentVer() const
       {return VerIterator(*Owner,Owner->VerP + Pkg->CurrentVer);};
inline pkgCache::VerIterator pkgCache::PkgIterator::TargetVer() const
       {return VerIterator(*Owner,Owner->VerP + Pkg->TargetVer);};
inline pkgCache::DepIterator pkgCache::PkgIterator::RevDependsList() const
       {return DepIterator(*Owner,Owner->DepP + Pkg->RevDepends,Pkg);};
inline pkgCache::PrvIterator pkgCache::PkgIterator::ProvidesList() const
       {return PrvIterator(*Owner,Owner->ProvideP + Pkg->ProvidesList,Pkg);};
inline pkgCache::PrvIterator pkgCache::VerIterator::ProvidesList() const
       {return PrvIterator(*Owner,Owner->ProvideP + Ver->ProvidesList,Ver);};
inline pkgCache::DepIterator pkgCache::VerIterator::DependsList() const
       {return DepIterator(*Owner,Owner->DepP + Ver->DependsList,Ver);};
inline pkgCache::VerFileIterator pkgCache::VerIterator::FileList() const
       {return VerFileIterator(*Owner,Owner->VerFileP + Ver->FileList);};

#endif
Commit	Line	Data
578bfd0a AL	1	// -- mode: cpp; mode: fold --
578bfd0a AL	2	// Description /{{{/
d556d1a1	3	// $Id: cacheiterators.h,v 1.14 1999/07/10 04:58:42 jgg Exp $
578bfd0a AL	4	/* ######################################################################
	5
	6	Cache Iterators - Iterators for navigating the cache structure
	7
	8	The iterators all provides ++,==,!=,->,* and end for their type.
	9	The end function can be used to tell if the list has been fully
	10	traversed.
	11
	12	Unlike STL iterators these contain helper functions to access the data
	13	that is being iterated over. This is because the data structures can't
	14	be formed in a manner that is intuitive to use and also mmapable.
	15
	16	For each variable in the target structure that would need a translation
	17	to be accessed correctly a translating function of the same name is
	18	present in the iterator. If applicable the translating function will
	19	return an iterator.
	20
	21	The DepIterator can iterate over two lists, a list of 'version depends'
	22	or a list of 'package reverse depends'. The type is determined by the
	23	structure passed to the constructor, which should be the structure
6c139d6e AL	24	that has the depends pointer as a member. The provide iterator has the
6c139d6e AL	25	same system.
578bfd0a	26
094a497d	27	This header is not user includable, please use apt-pkg/pkgcache.h
578bfd0a AL	28
	29	##################################################################### */
	30	/}}}/
	31	// Header section: pkglib
	32	#ifndef PKGLIB_CACHEITERATORS_H
	33	#define PKGLIB_CACHEITERATORS_H
	34
6c139d6e	35	#ifdef __GNUG__
094a497d	36	#pragma interface "apt-pkg/cacheiterators.h"
6c139d6e AL	37	#endif
6c139d6e AL	38
578bfd0a AL	39	// Package Iterator
	40	class pkgCache::PkgIterator
	41	{
	42	Package *Pkg;
	43	pkgCache *Owner;
	44	long HashIndex;
	45
	46	public:
	47
	48	enum OkState {NeedsNothing,NeedsUnpack,NeedsConfigure};
	49
	50	// Iteration
	51	void operator ++(int);
	52	inline void operator ++() {operator ++(0);};
	53	inline bool end() const {return Owner == 0 \|\| Pkg == Owner->PkgP?true:false;};
	54
	55	// Comparison
	56	inline bool operator ==(const PkgIterator &B) const {return Pkg == B.Pkg;};
	57	inline bool operator !=(const PkgIterator &B) const {return Pkg != B.Pkg;};
	58
	59	// Accessors
	60	inline Package *operator ->() {return Pkg;};
	61	inline Package const *operator ->() const {return Pkg;};
	62	inline Package const &operator () const {return Pkg;};
	63	inline operator Package *() {return Pkg == Owner->PkgP?0:Pkg;};
	64	inline operator Package const *() const {return Pkg == Owner->PkgP?0:Pkg;};
6c139d6e	65
578bfd0a AL	66	inline const char *Name() const {return Pkg->Name == 0?0:Owner->StrP + Pkg->Name;};
	67	inline const char *Section() const {return Pkg->Section == 0?0:Owner->StrP + Pkg->Section;};
	68	inline const char *TargetDist() const {return Pkg->TargetDist == 0?0:Owner->StrP + Pkg->TargetDist;};
d556d1a1	69	inline bool Purge() const {return Pkg->CurrentState == pkgCache::State::Purge;};
578bfd0a AL	70	inline VerIterator VersionList() const;
	71	inline VerIterator TargetVer() const;
	72	inline VerIterator CurrentVer() const;
	73	inline DepIterator RevDependsList() const;
	74	inline PrvIterator ProvidesList() const;
f55a958f	75	inline unsigned long Index() const {return Pkg - Owner->PkgP;};
578bfd0a AL	76	OkState State() const;
	77
	78	// Constructors
	79	inline PkgIterator(pkgCache &Owner) : Owner(&Owner), HashIndex(-1)
	80	{
	81	Pkg = Owner.PkgP;
	82	operator ++(0);
	83	};
	84	inline PkgIterator(pkgCache &Owner,Package *Trg) : Pkg(Trg), Owner(&Owner),
	85	HashIndex(0)
	86	{
	87	if (Pkg == 0)
	88	Pkg = Owner.PkgP;
	89	};
	90	inline PkgIterator() : Pkg(0), Owner(0), HashIndex(0) {};
	91	};
	92
	93	// Version Iterator
	94	class pkgCache::VerIterator
	95	{
	96	Version *Ver;
f9eec0e7	97	pkgCache *Owner;
578bfd0a AL	98
	99	void _dummy();
	100
	101	public:
	102
	103	// Iteration
f9eec0e7	104	void operator ++(int) {if (Ver != Owner->VerP) Ver = Owner->VerP + Ver->NextVer;};
578bfd0a	105	inline void operator ++() {operator ++(0);};
f9eec0e7 AL	106	inline bool end() const {return Ver == Owner->VerP?true:false;};
f9eec0e7 AL	107	inline void operator =(const VerIterator &B) {Ver = B.Ver; Owner = B.Owner;};
578bfd0a AL	108
	109	// Comparison
	110	inline bool operator ==(const VerIterator &B) const {return Ver == B.Ver;};
	111	inline bool operator !=(const VerIterator &B) const {return Ver != B.Ver;};
	112	int CompareVer(const VerIterator &B) const;
	113
	114	// Accessors
	115	inline Version *operator ->() {return Ver;};
	116	inline Version const *operator ->() const {return Ver;};
	117	inline Version &operator () {return Ver;};
	118	inline Version const &operator () const {return Ver;};
f9eec0e7 AL	119	inline operator Version *() {return Ver == Owner->VerP?0:Ver;};
f9eec0e7 AL	120	inline operator Version const *() const {return Ver == Owner->VerP?0:Ver;};
c9807169	121
f9eec0e7 AL	122	inline const char *VerStr() const {return Ver->VerStr == 0?0:Owner->StrP + Ver->VerStr;};
	123	inline const char *Section() const {return Ver->Section == 0?0:Owner->StrP + Ver->Section;};
	124	inline const char *Arch() const {return Ver->Arch == 0?0:Owner->StrP + Ver->Arch;};
	125	inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + Ver->ParentPkg);};
578bfd0a AL	126	inline DepIterator DependsList() const;
578bfd0a AL	127	inline PrvIterator ProvidesList() const;
dcb79bae	128	inline VerFileIterator FileList() const;
f9eec0e7	129	inline unsigned long Index() const {return Ver - Owner->VerP;};
b518cca6	130	bool Downloadable() const;
c9807169	131	const char *PriorityType();
3c124dde AL	132
	133	bool Automatic() const;
	134	VerFileIterator NewestFile() const;
f9eec0e7 AL	135
	136	inline VerIterator() : Ver(0), Owner(0) {};
	137	inline VerIterator(pkgCache &Owner,Version *Trg = 0) : Ver(Trg),
	138	Owner(&Owner)
578bfd0a AL	139	{
	140	if (Ver == 0)
	141	Ver = Owner.VerP;
	142	};
	143	};
	144
	145	// Dependency iterator
	146	class pkgCache::DepIterator
	147	{
	148	Dependency *Dep;
	149	enum {DepVer, DepRev} Type;
	150	pkgCache *Owner;
	151
	152	void _dummy();
	153
	154	public:
	155
	156	// Iteration
	157	void operator ++(int) {if (Dep != Owner->DepP) Dep = Owner->DepP +
	158	(Type == DepVer?Dep->NextDepends:Dep->NextRevDepends);};
	159	inline void operator ++() {operator ++(0);};
	160	inline bool end() const {return Owner == 0 \|\| Dep == Owner->DepP?true:false;};
	161
	162	// Comparison
	163	inline bool operator ==(const DepIterator &B) const {return Dep == B.Dep;};
	164	inline bool operator !=(const DepIterator &B) const {return Dep != B.Dep;};
	165
	166	// Accessors
	167	inline Dependency *operator ->() {return Dep;};
	168	inline Dependency const *operator ->() const {return Dep;};
	169	inline Dependency &operator () {return Dep;};
	170	inline Dependency const &operator () const {return Dep;};
	171	inline operator Dependency *() {return Dep == Owner->DepP?0:Dep;};
	172	inline operator Dependency const *() const {return Dep == Owner->DepP?0:Dep;};
6c139d6e	173
578bfd0a AL	174	inline const char *TargetVer() const {return Dep->Version == 0?0:Owner->StrP + Dep->Version;};
578bfd0a AL	175	inline PkgIterator TargetPkg() {return PkgIterator(*Owner,Owner->PkgP + Dep->Package);};
578bfd0a AL	176	inline PkgIterator SmartTargetPkg() {PkgIterator R(*Owner);SmartTargetPkg(R);return R;};
	177	inline VerIterator ParentVer() {return VerIterator(*Owner,Owner->VerP + Dep->ParentVer);};
	178	inline PkgIterator ParentPkg() {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[Dep->ParentVer].ParentPkg);};
578bfd0a	179	inline bool Reverse() {return Type == DepRev;};
f55a958f	180	inline unsigned long Index() const {return Dep - Owner->DepP;};
6c139d6e	181	bool IsCritical();
43d017d6	182	void GlobOr(DepIterator &Start,DepIterator &End);
6c139d6e AL	183	Version **AllTargets();
6c139d6e AL	184	bool SmartTargetPkg(PkgIterator &Result);
0a8e3465	185	const char *CompType();
43d017d6	186	const char *DepType();
0a8e3465	187
578bfd0a AL	188	inline DepIterator(pkgCache &Owner,Dependency Trg,Version = 0) :
	189	Dep(Trg), Type(DepVer), Owner(&Owner)
	190	{
	191	if (Dep == 0)
	192	Dep = Owner.DepP;
	193	};
	194	inline DepIterator(pkgCache &Owner,Dependency Trg,Package ) :
	195	Dep(Trg), Type(DepRev), Owner(&Owner)
	196	{
	197	if (Dep == 0)
	198	Dep = Owner.DepP;
	199	};
	200	inline DepIterator() : Dep(0), Type(DepVer), Owner(0) {};
	201	};
	202
	203	// Provides iterator
	204	class pkgCache::PrvIterator
	205	{
	206	Provides *Prv;
	207	enum {PrvVer, PrvPkg} Type;
	208	pkgCache *Owner;
	209
	210	void _dummy();
	211
	212	public:
	213
	214	// Iteration
	215	void operator ++(int) {if (Prv != Owner->ProvideP) Prv = Owner->ProvideP +
	216	(Type == PrvVer?Prv->NextPkgProv:Prv->NextProvides);};
	217	inline void operator ++() {operator ++(0);};
	218	inline bool end() const {return Prv == Owner->ProvideP?true:false;};
	219
	220	// Comparison
	221	inline bool operator ==(const PrvIterator &B) const {return Prv == B.Prv;};
	222	inline bool operator !=(const PrvIterator &B) const {return Prv != B.Prv;};
	223
	224	// Accessors
	225	inline Provides *operator ->() {return Prv;};
	226	inline Provides const *operator ->() const {return Prv;};
	227	inline Provides &operator () {return Prv;};
	228	inline Provides const &operator () const {return Prv;};
	229	inline operator Provides *() {return Prv == Owner->ProvideP?0:Prv;};
	230	inline operator Provides const *() const {return Prv == Owner->ProvideP?0:Prv;};
6c139d6e	231
578bfd0a AL	232	inline const char *Name() const {return Owner->StrP + Owner->PkgP[Prv->ParentPkg].Name;};
	233	inline const char *ProvideVersion() const {return Prv->ProvideVersion == 0?0:Owner->StrP + Prv->ProvideVersion;};
	234	inline PkgIterator ParentPkg() {return PkgIterator(*Owner,Owner->PkgP + Prv->ParentPkg);};
	235	inline VerIterator OwnerVer() {return VerIterator(*Owner,Owner->VerP + Prv->Version);};
	236	inline PkgIterator OwnerPkg() {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[Prv->Version].ParentPkg);};
f55a958f	237	inline unsigned long Index() const {return Prv - Owner->ProvideP;};
578bfd0a AL	238
	239	inline PrvIterator(pkgCache &Owner,Provides Trg,Version ) :
	240	Prv(Trg), Type(PrvVer), Owner(&Owner)
	241	{
	242	if (Prv == 0)
	243	Prv = Owner.ProvideP;
	244	};
	245	inline PrvIterator(pkgCache &Owner,Provides Trg,Package ) :
	246	Prv(Trg), Type(PrvPkg), Owner(&Owner)
	247	{
	248	if (Prv == 0)
	249	Prv = Owner.ProvideP;
	250	};
	251	};
	252
	253	// Package file
	254	class pkgCache::PkgFileIterator
	255	{
	256	pkgCache *Owner;
	257	PackageFile *File;
	258
	259	public:
	260
	261	// Iteration
	262	void operator ++(int) {if (File!= Owner->PkgFileP) File = Owner->PkgFileP + File->NextFile;};
	263	inline void operator ++() {operator ++(0);};
	264	inline bool end() const {return File == Owner->PkgFileP?true:false;};
	265
	266	// Comparison
	267	inline bool operator ==(const PkgFileIterator &B) const {return File == B.File;};
	268	inline bool operator !=(const PkgFileIterator &B) const {return File != B.File;};
	269
	270	// Accessors
	271	inline PackageFile *operator ->() {return File;};
	272	inline PackageFile const *operator ->() const {return File;};
	273	inline PackageFile const &operator () const {return File;};
	274	inline operator PackageFile *() {return File == Owner->PkgFileP?0:File;};
	275	inline operator PackageFile const *() const {return File == Owner->PkgFileP?0:File;};
	276
	277	inline const char *FileName() const {return File->FileName == 0?0:Owner->StrP + File->FileName;};
b0b4efb9 AL	278	inline const char *Archive() const {return File->Archive == 0?0:Owner->StrP + File->Archive;};
b0b4efb9 AL	279	inline const char *Component() const {return File->Component == 0?0:Owner->StrP + File->Component;};
578bfd0a	280	inline const char *Version() const {return File->Version == 0?0:Owner->StrP + File->Version;};
b0b4efb9 AL	281	inline const char *Origin() const {return File->Origin == 0?0:Owner->StrP + File->Origin;};
	282	inline const char *Label() const {return File->Origin == 0?0:Owner->StrP + File->Label;};
	283	inline const char *Architecture() const {return File->Origin == 0?0:Owner->StrP + File->Architecture;};
	284
f55a958f	285	inline unsigned long Index() const {return File - Owner->PkgFileP;};
578bfd0a AL	286
	287	bool IsOk();
	288
	289	// Constructors
	290	inline PkgFileIterator(pkgCache &Owner) : Owner(&Owner), File(Owner.PkgFileP + Owner.Head().FileList) {};
	291	inline PkgFileIterator(pkgCache &Owner,PackageFile *Trg) : Owner(&Owner), File(Trg) {};
	292	};
	293
dcb79bae AL	294	// Version File
	295	class pkgCache::VerFileIterator
	296	{
	297	pkgCache *Owner;
	298	VerFile *FileP;
	299
	300	public:
	301
	302	// Iteration
	303	void operator ++(int) {if (FileP != Owner->VerFileP) FileP = Owner->VerFileP + FileP->NextFile;};
	304	inline void operator ++() {operator ++(0);};
	305	inline bool end() const {return FileP == Owner->VerFileP?true:false;};
	306
	307	// Comparison
	308	inline bool operator ==(const VerFileIterator &B) const {return FileP == B.FileP;};
	309	inline bool operator !=(const VerFileIterator &B) const {return FileP != B.FileP;};
	310
	311	// Accessors
	312	inline VerFile *operator ->() {return FileP;};
	313	inline VerFile const *operator ->() const {return FileP;};
	314	inline VerFile const &operator () const {return FileP;};
	315	inline operator VerFile *() {return FileP == Owner->VerFileP?0:FileP;};
	316	inline operator VerFile const *() const {return FileP == Owner->VerFileP?0:FileP;};
	317
	318	inline PkgFileIterator File() const {return PkgFileIterator(*Owner,FileP->File + Owner->PkgFileP);};
	319	inline unsigned long Index() const {return FileP - Owner->VerFileP;};
b518cca6	320
dcb79bae AL	321	inline VerFileIterator(pkgCache &Owner,VerFile *Trg) : Owner(&Owner), FileP(Trg) {};
	322	};
	323
578bfd0a AL	324	// Inlined Begin functions cant be in the class because of order problems
	325	inline pkgCache::VerIterator pkgCache::PkgIterator::VersionList() const
	326	{return VerIterator(*Owner,Owner->VerP + Pkg->VersionList);};
	327	inline pkgCache::VerIterator pkgCache::PkgIterator::CurrentVer() const
	328	{return VerIterator(*Owner,Owner->VerP + Pkg->CurrentVer);};
	329	inline pkgCache::VerIterator pkgCache::PkgIterator::TargetVer() const
	330	{return VerIterator(*Owner,Owner->VerP + Pkg->TargetVer);};
	331	inline pkgCache::DepIterator pkgCache::PkgIterator::RevDependsList() const
	332	{return DepIterator(*Owner,Owner->DepP + Pkg->RevDepends,Pkg);};
	333	inline pkgCache::PrvIterator pkgCache::PkgIterator::ProvidesList() const
	334	{return PrvIterator(*Owner,Owner->ProvideP + Pkg->ProvidesList,Pkg);};
	335	inline pkgCache::PrvIterator pkgCache::VerIterator::ProvidesList() const
f9eec0e7	336	{return PrvIterator(*Owner,Owner->ProvideP + Ver->ProvidesList,Ver);};
578bfd0a	337	inline pkgCache::DepIterator pkgCache::VerIterator::DependsList() const
f9eec0e7	338	{return DepIterator(*Owner,Owner->DepP + Ver->DependsList,Ver);};
dcb79bae	339	inline pkgCache::VerFileIterator pkgCache::VerIterator::FileList() const
f9eec0e7	340	{return VerFileIterator(*Owner,Owner->VerFileP + Ver->FileList);};
578bfd0a AL	341
578bfd0a AL	342	#endif