#ifndef PKGLIB_CACHEITERATORS_H
#define PKGLIB_CACHEITERATORS_H
-#ifdef __GNUG__
-#pragma interface "apt-pkg/cacheiterators.h"
-#endif
-// Package Iterator
+// Package Iterator /*{{{*/
class pkgCache::PkgIterator
{
friend class pkgCache;
inline PrvIterator ProvidesList() const;
inline unsigned long Index() const {return Pkg - Owner->PkgP;};
OkState State() const;
-
+
+ //Nice printable representation
+ friend std::ostream& operator<<(std::ostream& out, pkgCache::PkgIterator Pkg);
+
+ const char *CandVersion() const;
+ const char *CurVersion() const;
+
// Constructors
inline PkgIterator(pkgCache &Owner,Package *Trg) : Pkg(Trg), Owner(&Owner),
HashIndex(0)
};
inline PkgIterator() : Pkg(0), Owner(0), HashIndex(0) {};
};
-
-// Version Iterator
+ /*}}}*/
+// Version Iterator /*{{{*/
class pkgCache::VerIterator
{
Version *Ver;
// 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 bool end() const {return Owner == 0 || (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;
-
+
+ // Testing
+ inline bool IsGood() const { return Ver && Owner && ! end();};
+
// Accessors
inline Version *operator ->() {return Ver;};
inline Version const *operator ->() const {return Ver;};
Ver = Owner.VerP;
};
};
-
-// Description Iterator
+ /*}}}*/
+// Description Iterator /*{{{*/
class pkgCache::DescIterator
{
Description *Desc;
// Iteration
void operator ++(int) {if (Desc != Owner->DescP) Desc = Owner->DescP + Desc->NextDesc;};
inline void operator ++() {operator ++(0);};
- inline bool end() const {return Desc == Owner->DescP?true:false;};
+ inline bool end() const {return Owner == 0 || Desc == Owner->DescP?true:false;};
inline void operator =(const DescIterator &B) {Desc = B.Desc; Owner = B.Owner;};
// Comparison
Desc = Owner.DescP;
};
};
-
-// Dependency iterator
+ /*}}}*/
+// Dependency iterator /*{{{*/
class pkgCache::DepIterator
{
Dependency *Dep;
};
inline DepIterator() : Dep(0), Type(DepVer), Owner(0) {};
};
-
-// Provides iterator
+ /*}}}*/
+// Provides iterator /*{{{*/
class pkgCache::PrvIterator
{
Provides *Prv;
Prv = Owner.ProvideP;
};
};
-
-// Package file
+ /*}}}*/
+// Package file /*{{{*/
class pkgCache::PkgFileIterator
{
pkgCache *Owner;
// 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;};
+ inline bool end() const {return Owner == 0 || File == Owner->PkgFileP?true:false;};
// Comparison
inline bool operator ==(const PkgFileIterator &B) const {return File == B.File;};
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 *Codename() const {return File->Codename ==0?0:Owner->StrP + File->Codename;};
inline const char *Label() const {return File->Label == 0?0:Owner->StrP + File->Label;};
inline const char *Site() const {return File->Site == 0?0:Owner->StrP + File->Site;};
inline const char *Architecture() const {return File->Architecture == 0?0:Owner->StrP + File->Architecture;};
inline PkgFileIterator(pkgCache &Owner) : Owner(&Owner), File(Owner.PkgFileP) {};
inline PkgFileIterator(pkgCache &Owner,PackageFile *Trg) : Owner(&Owner), File(Trg) {};
};
-
-// Version File
+ /*}}}*/
+// Version File /*{{{*/
class pkgCache::VerFileIterator
{
pkgCache *Owner;
// 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;};
+ inline bool end() const {return Owner == 0 || FileP == Owner->VerFileP?true:false;};
// Comparison
inline bool operator ==(const VerFileIterator &B) const {return FileP == B.FileP;};
inline VerFileIterator() : Owner(0), FileP(0) {};
inline VerFileIterator(pkgCache &Owner,VerFile *Trg) : Owner(&Owner), FileP(Trg) {};
};
-
-// Description File
+ /*}}}*/
+// Description File /*{{{*/
class pkgCache::DescFileIterator
{
pkgCache *Owner;
// Iteration
void operator ++(int) {if (FileP != Owner->DescFileP) FileP = Owner->DescFileP + FileP->NextFile;};
inline void operator ++() {operator ++(0);};
- inline bool end() const {return FileP == Owner->DescFileP?true:false;};
+ inline bool end() const {return Owner == 0 || FileP == Owner->DescFileP?true:false;};
// Comparison
inline bool operator ==(const DescFileIterator &B) const {return FileP == B.FileP;};
inline DescFileIterator() : Owner(0), FileP(0) {};
inline DescFileIterator(pkgCache &Owner,DescFile *Trg) : Owner(&Owner), FileP(Trg) {};
};
-
-// Inlined Begin functions cant be in the class because of order problems
+ /*}}}*/
+// 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 VerFileIterator(*Owner,Owner->VerFileP + Ver->FileList);};
inline pkgCache::DescFileIterator pkgCache::DescIterator::FileList() const
{return DescFileIterator(*Owner,Owner->DescFileP + Desc->FileList);};
-
+ /*}}}*/
#endif