#ifndef PKGLIB_CACHEITERATORS_H
#define PKGLIB_CACHEITERATORS_H
#include<apt-pkg/pkgcache.h>
+#include<apt-pkg/macros.h>
#include<iterator>
#include <iosfwd>
#include <string>
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+#include <apt-pkg/string_view.h>
+#endif
#include<string.h>
need to have for doing some walk-over-the-cache magic */
template<typename Str, typename Itr> class pkgCache::Iterator :
public std::iterator<std::forward_iterator_tag, Str> {
- protected:
- Str *S;
- pkgCache *Owner;
-
/** \brief Returns the Pointer for this struct in the owner
* The implementation of this method should be pretty short
* as it will only return the Pointer into the mmap stored
* basic methods from the actual structure.
* \return Pointer to the first structure of this type
*/
- virtual Str* OwnerPointer() const = 0;
+ Str* OwnerPointer() const { return static_cast<Itr const*>(this)->OwnerPointer(); }
+
+ protected:
+ Str *S;
+ pkgCache *Owner;
public:
// Iteration
- virtual void operator ++(int) = 0;
- virtual void operator ++() = 0; // Should be {operator ++(0);}
inline bool end() const {return Owner == 0 || S == OwnerPointer();}
// Comparison
inline pkgCache *Cache() const {return Owner;}
// Mixed stuff
- inline void operator =(const Itr &B) {S = B.S; Owner = B.Owner;}
inline bool IsGood() const { return S && Owner && ! end();}
inline unsigned long Index() const {return S - OwnerPointer();}
class pkgCache::GrpIterator: public Iterator<Group, GrpIterator> {
long HashIndex;
- protected:
+ public:
inline Group* OwnerPointer() const {
return (Owner != 0) ? Owner->GrpP : 0;
}
- public:
// This constructor is the 'begin' constructor, never use it.
- inline GrpIterator(pkgCache &Owner) : Iterator<Group, GrpIterator>(Owner), HashIndex(-1) {
+ explicit inline GrpIterator(pkgCache &Owner) : Iterator<Group, GrpIterator>(Owner), HashIndex(-1) {
S = OwnerPointer();
- operator ++(0);
+ operator++();
}
- virtual void operator ++(int);
- virtual void operator ++() {operator ++(0);}
+ GrpIterator& operator++();
+ inline GrpIterator operator++(int) { GrpIterator const tmp(*this); operator++(); return tmp; }
inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;}
inline PkgIterator PackageList() const;
PkgIterator FindPkg(std::string Arch = "any") const;
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+ APT_HIDDEN PkgIterator FindPkg(APT::StringView Arch = APT::StringView("any", 3)) const;
+ APT_HIDDEN PkgIterator FindPkg(const char *Arch) const;
+#endif
/** \brief find the package with the "best" architecture
The best architecture is either the "native" or the first
class pkgCache::PkgIterator: public Iterator<Package, PkgIterator> {
long HashIndex;
- protected:
+ public:
inline Package* OwnerPointer() const {
return (Owner != 0) ? Owner->PkgP : 0;
}
- public:
// This constructor is the 'begin' constructor, never use it.
- inline PkgIterator(pkgCache &Owner) : Iterator<Package, PkgIterator>(Owner), HashIndex(-1) {
+
explicit inline PkgIterator(pkgCache &Owner) : Iterator<Package, PkgIterator>(Owner), HashIndex(-1) {
S = OwnerPointer();
- operator ++(0);
+ operator++();
}
- virtual void operator ++(int);
- virtual void operator ++() {operator ++(0);}
+ PkgIterator& operator++();
+ inline PkgIterator operator++(int) { PkgIterator const tmp(*this); operator++(); return tmp; }
enum OkState {NeedsNothing,NeedsUnpack,NeedsConfigure};
// Accessors
- inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;}
- inline const char *Section() const {return S->Section == 0?0:Owner->StrP + S->Section;}
+ inline const char *Name() const { return Group().Name(); }
+ // Versions have sections - and packages can have different versions with different sections
+ // so this interface is broken by design. Run as fast as you can to Version.Section().
+ APT_DEPRECATED_MSG("Use the .Section method of VerIterator instead") inline const char *Section() const;
inline bool Purge() const {return S->CurrentState == pkgCache::State::Purge ||
(S->CurrentVer == 0 && S->CurrentState == pkgCache::State::NotInstalled);}
inline const char *Arch() const {return S->Arch == 0?0:Owner->StrP + S->Arch;}
- inline GrpIterator Group() const { return GrpIterator(*Owner, Owner->GrpP + S->Group);}
+ inline APT_PURE GrpIterator Group() const { return GrpIterator(*Owner, Owner->GrpP + S->Group);}
- inline VerIterator VersionList() const;
- inline VerIterator CurrentVer() const;
- inline DepIterator RevDependsList() const;
- inline PrvIterator ProvidesList() const;
- OkState State() const;
- const char *CandVersion() const;
- const char *CurVersion() const;
+ inline VerIterator VersionList() const APT_PURE;
+ inline VerIterator CurrentVer() const APT_PURE;
+ inline DepIterator RevDependsList() const APT_PURE;
+ inline PrvIterator ProvidesList() const APT_PURE;
+ OkState State() const APT_PURE;
+ APT_DEPRECATED_MSG("This method does not respect apt_preferences! Use pkgDepCache::GetCandidateVersion(Pkg)") const char *CandVersion() const APT_PURE;
+ const char *CurVersion() const APT_PURE;
//Nice printable representation
- friend std::ostream& operator <<(std::ostream& out, PkgIterator i);
+ APT_DEPRECATED_MSG("Use APT::PrettyPkg instead") friend std::ostream& operator <<(std::ostream& out, PkgIterator i);
std::string FullName(bool const &Pretty = false) const;
// Constructors
/*}}}*/
// Version Iterator /*{{{*/
class pkgCache::VerIterator : public Iterator<Version, VerIterator> {
- protected:
+ public:
inline Version* OwnerPointer() const {
return (Owner != 0) ? Owner->VerP : 0;
}
- public:
// Iteration
- void operator ++(int) {if (S != Owner->VerP) S = Owner->VerP + S->NextVer;}
- inline void operator ++() {operator ++(0);}
+ inline VerIterator& operator++() {if (S != Owner->VerP) S = Owner->VerP + S->NextVer; return *this;}
+ inline VerIterator operator++(int) { VerIterator const tmp(*this); operator++(); return tmp; }
// Comparison
int CompareVer(const VerIterator &B) const;
// Accessors
inline const char *VerStr() const {return S->VerStr == 0?0:Owner->StrP + S->VerStr;}
inline const char *Section() const {return S->Section == 0?0:Owner->StrP + S->Section;}
+ /** \brief source package name this version comes from
+ Always contains the name, even if it is the same as the binary name */
+ inline const char *SourcePkgName() const {return Owner->StrP + S->SourcePkgName;}
+ /** \brief source version this version comes from
+ Always contains the version string, even if it is the same as the binary version */
+ inline const char *SourceVerStr() const {return Owner->StrP + S->SourceVerStr;}
inline const char *Arch() const {
if ((S->MultiArch & pkgCache::Version::All) == pkgCache::Version::All)
return "all";
inline VerFileIterator FileList() const;
bool Downloadable() const;
inline const char *PriorityType() const {return Owner->Priority(S->Priority);}
- const char *MultiArchType() const;
+ const char *MultiArchType() const APT_PURE;
std::string RelStr() const;
bool Automatic() const;
/*}}}*/
// Description Iterator /*{{{*/
class pkgCache::DescIterator : public Iterator<Description, DescIterator> {
- protected:
+ public:
inline Description* OwnerPointer() const {
return (Owner != 0) ? Owner->DescP : 0;
}
- public:
// Iteration
- void operator ++(int) {if (S != Owner->DescP) S = Owner->DescP + S->NextDesc;}
- inline void operator ++() {operator ++(0);}
+ inline DescIterator& operator++() {if (S != Owner->DescP) S = Owner->DescP + S->NextDesc; return *this;}
+ inline DescIterator operator++(int) { DescIterator const tmp(*this); operator++(); return tmp; }
// Comparison
int CompareDesc(const DescIterator &B) const;
// Dependency iterator /*{{{*/
class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
enum {DepVer, DepRev} Type;
+ DependencyData * S2;
- protected:
+ public:
inline Dependency* OwnerPointer() const {
return (Owner != 0) ? Owner->DepP : 0;
}
- public:
// Iteration
- void operator ++(int) {if (S != Owner->DepP) S = Owner->DepP +
- (Type == DepVer ? S->NextDepends : S->NextRevDepends);}
- inline void operator ++() {operator ++(0);}
+ DepIterator& operator++();
+ inline DepIterator operator++(int) { DepIterator const tmp(*this); operator++(); return tmp; }
// Accessors
- inline const char *TargetVer() const {return S->Version == 0?0:Owner->StrP + S->Version;}
- inline PkgIterator TargetPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->Package);}
+ inline const char *TargetVer() const {return S2->Version == 0?0:Owner->StrP + S2->Version;}
+ inline PkgIterator TargetPkg() const {return PkgIterator(*Owner,Owner->PkgP + S2->Package);}
inline PkgIterator SmartTargetPkg() const {PkgIterator R(*Owner,0);SmartTargetPkg(R);return R;}
inline VerIterator ParentVer() const {return VerIterator(*Owner,Owner->VerP + S->ParentVer);}
inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->ParentVer].ParentPkg);}
inline bool Reverse() const {return Type == DepRev;}
- bool IsCritical() const;
- bool IsNegative() const;
- bool IsIgnorable(PrvIterator const &Prv) const;
- bool IsIgnorable(PkgIterator const &Pkg) const;
- bool IsMultiArchImplicit() const;
- bool IsSatisfied(VerIterator const &Ver) const;
- bool IsSatisfied(PrvIterator const &Prv) const;
+ bool IsCritical() const APT_PURE;
+ bool IsNegative() const APT_PURE;
+ bool IsIgnorable(PrvIterator const &Prv) const APT_PURE;
+ bool IsIgnorable(PkgIterator const &Pkg) const APT_PURE;
+ /* MultiArch can be translated to SingleArch for an resolver and we did so,
+ by adding dependencies to help the resolver understand the problem, but
+ sometimes it is needed to identify these to ignore them… */
+ inline bool IsMultiArchImplicit() const APT_PURE {
+ return (S2->CompareOp & pkgCache::Dep::MultiArchImplicit) == pkgCache::Dep::MultiArchImplicit;
+ }
+ /* This covers additionally negative dependencies, which aren't arch-specific,
+ but change architecture nonetheless as a Conflicts: foo does applies for all archs */
+ bool IsImplicit() const APT_PURE;
+
+ bool IsSatisfied(VerIterator const &Ver) const APT_PURE;
+ bool IsSatisfied(PrvIterator const &Prv) const APT_PURE;
void GlobOr(DepIterator &Start,DepIterator &End);
Version **AllTargets() const;
bool SmartTargetPkg(PkgIterator &Result) const;
- inline const char *CompType() const {return Owner->CompType(S->CompareOp);}
- inline const char *DepType() const {return Owner->DepType(S->Type);}
+ inline const char *CompType() const {return Owner->CompType(S2->CompareOp);}
+ inline const char *DepType() const {return Owner->DepType(S2->Type);}
+
+ // overrides because we are special
+ struct DependencyProxy
+ {
+ map_stringitem_t &Version;
+ map_pointer_t &Package;
+ map_id_t &ID;
+ unsigned char &Type;
+ unsigned char &CompareOp;
+ map_pointer_t &ParentVer;
+ map_pointer_t &DependencyData;
+ map_pointer_t &NextRevDepends;
+ map_pointer_t &NextDepends;
+ map_pointer_t &NextData;
+ DependencyProxy const * operator->() const { return this; }
+ DependencyProxy * operator->() { return this; }
+ };
+ inline DependencyProxy operator->() const {return (DependencyProxy) { S2->Version, S2->Package, S->ID, S2->Type, S2->CompareOp, S->ParentVer, S->DependencyData, S->NextRevDepends, S->NextDepends, S2->NextData };}
+ inline DependencyProxy operator->() {return (DependencyProxy) { S2->Version, S2->Package, S->ID, S2->Type, S2->CompareOp, S->ParentVer, S->DependencyData, S->NextRevDepends, S->NextDepends, S2->NextData };}
+ void ReMap(void const * const oldMap, void const * const newMap)
+ {
+ Iterator<Dependency, DepIterator>::ReMap(oldMap, newMap);
+ if (Owner == 0 || S == 0 || S2 == 0)
+ return;
+ S2 += (DependencyData const * const)(newMap) - (DependencyData const * const)(oldMap);
+ }
//Nice printable representation
- friend std::ostream& operator <<(std::ostream& out, DepIterator D);
+ APT_DEPRECATED_MSG("Use APT::PrettyDep instead") friend std::ostream& operator <<(std::ostream& out, DepIterator D);
inline DepIterator(pkgCache &Owner, Dependency *Trg, Version* = 0) :
- Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepVer) {
+ Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepVer), S2(Trg == 0 ? Owner.DepDataP : (Owner.DepDataP + Trg->DependencyData)) {
if (S == 0)
S = Owner.DepP;
}
inline DepIterator(pkgCache &Owner, Dependency *Trg, Package*) :
- Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepRev) {
+ Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepRev), S2(Trg == 0 ? Owner.DepDataP : (Owner.DepDataP + Trg->DependencyData)) {
if (S == 0)
S = Owner.DepP;
}
- inline DepIterator() : Iterator<Dependency, DepIterator>(), Type(DepVer) {}
+ inline DepIterator() : Iterator<Dependency, DepIterator>(), Type(DepVer), S2(0) {}
};
/*}}}*/
// Provides iterator /*{{{*/
class pkgCache::PrvIterator : public Iterator<Provides, PrvIterator> {
enum {PrvVer, PrvPkg} Type;
- protected:
+ public:
inline Provides* OwnerPointer() const {
return (Owner != 0) ? Owner->ProvideP : 0;
}
- public:
// Iteration
- void operator ++(int) {if (S != Owner->ProvideP) S = Owner->ProvideP +
- (Type == PrvVer?S->NextPkgProv:S->NextProvides);}
- inline void operator ++() {operator ++(0);}
+ inline PrvIterator& operator ++() {if (S != Owner->ProvideP) S = Owner->ProvideP +
+ (Type == PrvVer?S->NextPkgProv:S->NextProvides); return *this;}
+ inline PrvIterator operator++(int) { PrvIterator const tmp(*this); operator++(); return tmp; }
// Accessors
- inline const char *Name() const {return Owner->StrP + Owner->PkgP[S->ParentPkg].Name;}
+ inline const char *Name() const {return ParentPkg().Name();}
inline const char *ProvideVersion() const {return S->ProvideVersion == 0?0:Owner->StrP + S->ProvideVersion;}
inline PkgIterator ParentPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->ParentPkg);}
inline VerIterator OwnerVer() const {return VerIterator(*Owner,Owner->VerP + S->Version);}
inline PkgIterator OwnerPkg() const {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->Version].ParentPkg);}
- bool IsMultiArchImplicit() const;
+ /* MultiArch can be translated to SingleArch for an resolver and we did so,
+ by adding provides to help the resolver understand the problem, but
+ sometimes it is needed to identify these to ignore them… */
+ bool IsMultiArchImplicit() const APT_PURE
+ { return (S->Flags & pkgCache::Flag::MultiArchImplicit) == pkgCache::Flag::MultiArchImplicit; }
+
inline PrvIterator() : Iterator<Provides, PrvIterator>(), Type(PrvVer) {}
inline PrvIterator(pkgCache &Owner, Provides *Trg, Version*) :
}
};
/*}}}*/
-// Package file /*{{{*/
-class pkgCache::PkgFileIterator : public Iterator<PackageFile, PkgFileIterator> {
- protected:
- inline PackageFile* OwnerPointer() const {
- return (Owner != 0) ? Owner->PkgFileP : 0;
+// Release file /*{{{*/
+class pkgCache::RlsFileIterator : public Iterator<ReleaseFile, RlsFileIterator> {
+ public:
+ inline ReleaseFile* OwnerPointer() const {
+ return (Owner != 0) ? Owner->RlsFileP : 0;
}
- public:
// Iteration
- void operator ++(int) {if (S != Owner->PkgFileP) S = Owner->PkgFileP + S->NextFile;}
- inline void operator ++() {operator ++(0);}
+ inline RlsFileIterator& operator++() {if (S != Owner->RlsFileP) S = Owner->RlsFileP + S->NextFile;return *this;}
+ inline RlsFileIterator operator++(int) { RlsFileIterator const tmp(*this); operator++(); return tmp; }
// Accessors
inline const char *FileName() const {return S->FileName == 0?0:Owner->StrP + S->FileName;}
inline const char *Archive() const {return S->Archive == 0?0:Owner->StrP + S->Archive;}
- inline const char *Component() const {return S->Component == 0?0:Owner->StrP + S->Component;}
inline const char *Version() const {return S->Version == 0?0:Owner->StrP + S->Version;}
inline const char *Origin() const {return S->Origin == 0?0:Owner->StrP + S->Origin;}
inline const char *Codename() const {return S->Codename ==0?0:Owner->StrP + S->Codename;}
inline const char *Label() const {return S->Label == 0?0:Owner->StrP + S->Label;}
inline const char *Site() const {return S->Site == 0?0:Owner->StrP + S->Site;}
+ inline bool Flagged(pkgCache::Flag::ReleaseFileFlags const flag) const {return (S->Flags & flag) == flag; }
+
+ bool IsOk();
+ std::string RelStr();
+
+ // Constructors
+ inline RlsFileIterator() : Iterator<ReleaseFile, RlsFileIterator>() {}
+ explicit inline RlsFileIterator(pkgCache &Owner) : Iterator<ReleaseFile, RlsFileIterator>(Owner, Owner.RlsFileP) {}
+ inline RlsFileIterator(pkgCache &Owner,ReleaseFile *Trg) : Iterator<ReleaseFile, RlsFileIterator>(Owner, Trg) {}
+};
+ /*}}}*/
+// Package file /*{{{*/
+class pkgCache::PkgFileIterator : public Iterator<PackageFile, PkgFileIterator> {
+ public:
+ inline PackageFile* OwnerPointer() const {
+ return (Owner != 0) ? Owner->PkgFileP : 0;
+ }
+
+ // Iteration
+ inline PkgFileIterator& operator++() {if (S != Owner->PkgFileP) S = Owner->PkgFileP + S->NextFile; return *this;}
+ inline PkgFileIterator operator++(int) { PkgFileIterator const tmp(*this); operator++(); return tmp; }
+
+ // Accessors
+ inline const char *FileName() const {return S->FileName == 0?0:Owner->StrP + S->FileName;}
+ inline pkgCache::RlsFileIterator ReleaseFile() const {return RlsFileIterator(*Owner, Owner->RlsFileP + S->Release);}
+ inline const char *Archive() const {return S->Release == 0 ? Component() : ReleaseFile().Archive();}
+ inline const char *Version() const {return S->Release == 0 ? NULL : ReleaseFile().Version();}
+ inline const char *Origin() const {return S->Release == 0 ? NULL : ReleaseFile().Origin();}
+ inline const char *Codename() const {return S->Release == 0 ? NULL : ReleaseFile().Codename();}
+ inline const char *Label() const {return S->Release == 0 ? NULL : ReleaseFile().Label();}
+ inline const char *Site() const {return S->Release == 0 ? NULL : ReleaseFile().Site();}
+ inline bool Flagged(pkgCache::Flag::ReleaseFileFlags const flag) const {return S->Release== 0 ? false : ReleaseFile().Flagged(flag);}
+ inline bool Flagged(pkgCache::Flag::PkgFFlags const flag) const {return (S->Flags & flag) == flag;}
+ inline const char *Component() const {return S->Component == 0?0:Owner->StrP + S->Component;}
inline const char *Architecture() const {return S->Architecture == 0?0:Owner->StrP + S->Architecture;}
inline const char *IndexType() const {return S->IndexType == 0?0:Owner->StrP + S->IndexType;}
// Constructors
inline PkgFileIterator() : Iterator<PackageFile, PkgFileIterator>() {}
- inline PkgFileIterator(pkgCache &Owner) : Iterator<PackageFile, PkgFileIterator>(Owner, Owner.PkgFileP) {}
+
explicit inline PkgFileIterator(pkgCache &Owner) : Iterator<PackageFile, PkgFileIterator>(Owner, Owner.PkgFileP) {}
inline PkgFileIterator(pkgCache &Owner,PackageFile *Trg) : Iterator<PackageFile, PkgFileIterator>(Owner, Trg) {}
};
/*}}}*/
// Version File /*{{{*/
class pkgCache::VerFileIterator : public pkgCache::Iterator<VerFile, VerFileIterator> {
- protected:
+ public:
inline VerFile* OwnerPointer() const {
return (Owner != 0) ? Owner->VerFileP : 0;
}
- public:
// Iteration
- void operator ++(int) {if (S != Owner->VerFileP) S = Owner->VerFileP + S->NextFile;}
- inline void operator ++() {operator ++(0);}
+ inline VerFileIterator& operator++() {if (S != Owner->VerFileP) S = Owner->VerFileP + S->NextFile; return *this;}
+ inline VerFileIterator operator++(int) { VerFileIterator const tmp(*this); operator++(); return tmp; }
// Accessors
inline PkgFileIterator File() const {return PkgFileIterator(*Owner,S->File + Owner->PkgFileP);}
/*}}}*/
// Description File /*{{{*/
class pkgCache::DescFileIterator : public Iterator<DescFile, DescFileIterator> {
- protected:
+ public:
inline DescFile* OwnerPointer() const {
return (Owner != 0) ? Owner->DescFileP : 0;
}
- public:
// Iteration
- void operator ++(int) {if (S != Owner->DescFileP) S = Owner->DescFileP + S->NextFile;}
- inline void operator ++() {operator ++(0);}
+ inline DescFileIterator& operator++() {if (S != Owner->DescFileP) S = Owner->DescFileP + S->NextFile; return *this;}
+ inline DescFileIterator operator++(int) { DescFileIterator const tmp(*this); operator++(); return tmp; }
// Accessors
inline PkgFileIterator File() const {return PkgFileIterator(*Owner,S->File + Owner->PkgFileP);}
{return VerFileIterator(*Owner,Owner->VerFileP + S->FileList);}
inline pkgCache::DescFileIterator pkgCache::DescIterator::FileList() const
{return DescFileIterator(*Owner,Owner->DescFileP + S->FileList);}
+APT_DEPRECATED_MSG("Use the .Section method of VerIterator instead") inline const char * pkgCache::PkgIterator::Section() const
+ {return S->VersionList == 0 ? 0 : VersionList().Section();}
/*}}}*/
#endif
projects / apt.git / blobdiff