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-rw-r--r--apt-pkg/cacheiterators.h41
1 files changed, 25 insertions, 16 deletions
diff --git a/apt-pkg/cacheiterators.h b/apt-pkg/cacheiterators.h
index f0b40dbb5..dfe5707e1 100644
--- a/apt-pkg/cacheiterators.h
+++ b/apt-pkg/cacheiterators.h
@@ -30,6 +30,8 @@
#ifndef PKGLIB_CACHEITERATORS_H
#define PKGLIB_CACHEITERATORS_H
#include<iterator>
+
+#include<string.h>
// abstract Iterator template /*{{{*/
/* This template provides the very basic iterator methods we
need to have for doing some walk-over-the-cache magic */
@@ -103,13 +105,13 @@ class pkgCache::GrpIterator: public Iterator<Group, GrpIterator> {
inline const char *Name() const {return S->Name == 0?0:Owner->StrP + S->Name;};
inline PkgIterator PackageList() const;
- PkgIterator FindPkg(string Arch = "any");
+ PkgIterator FindPkg(string Arch = "any") const;
/** \brief find the package with the "best" architecture
The best architecture is either the "native" or the first
in the list of Architectures which is not an end-Pointer */
- PkgIterator FindPreferredPkg();
- PkgIterator NextPkg(PkgIterator const &Pkg);
+ PkgIterator FindPreferredPkg() const;
+ PkgIterator NextPkg(PkgIterator const &Pkg) const;
// Constructors
inline GrpIterator(pkgCache &Owner, Group *Trg) : Iterator<Group, GrpIterator>(Owner, Trg), HashIndex(0) {
@@ -183,6 +185,13 @@ class pkgCache::VerIterator : public Iterator<Version, VerIterator> {
// Comparison
int CompareVer(const VerIterator &B) const;
+ /** \brief compares two version and returns if they are similar
+
+ This method should be used to identify if two pseudo versions are
+ refering to the same "real" version */
+ inline bool SimilarVer(const VerIterator &B) const {
+ return (B.end() == false && S->Hash == B->Hash && strcmp(VerStr(), B.VerStr()) == 0);
+ };
// Accessors
inline const char *VerStr() const {return S->VerStr == 0?0:Owner->StrP + S->VerStr;};
@@ -263,17 +272,17 @@ class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
// Accessors
inline const char *TargetVer() const {return S->Version == 0?0:Owner->StrP + S->Version;};
- inline PkgIterator TargetPkg() {return PkgIterator(*Owner,Owner->PkgP + S->Package);};
- inline PkgIterator SmartTargetPkg() {PkgIterator R(*Owner,0);SmartTargetPkg(R);return R;};
- inline VerIterator ParentVer() {return VerIterator(*Owner,Owner->VerP + S->ParentVer);};
- inline PkgIterator ParentPkg() {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->ParentVer].ParentPkg);};
- inline bool Reverse() {return Type == DepRev;};
- bool IsCritical();
+ inline PkgIterator TargetPkg() const {return PkgIterator(*Owner,Owner->PkgP + S->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;
void GlobOr(DepIterator &Start,DepIterator &End);
- Version **AllTargets();
- bool SmartTargetPkg(PkgIterator &Result);
- inline const char *CompType() {return Owner->CompType(S->CompareOp);};
- inline const char *DepType() {return Owner->DepType(S->Type);};
+ 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 DepIterator(pkgCache &Owner, Dependency *Trg, Version* = 0) :
Iterator<Dependency, DepIterator>(Owner, Trg), Type(DepVer) {
@@ -306,9 +315,9 @@ class pkgCache::PrvIterator : public Iterator<Provides, PrvIterator> {
// Accessors
inline const char *Name() const {return Owner->StrP + Owner->PkgP[S->ParentPkg].Name;};
inline const char *ProvideVersion() const {return S->ProvideVersion == 0?0:Owner->StrP + S->ProvideVersion;};
- inline PkgIterator ParentPkg() {return PkgIterator(*Owner,Owner->PkgP + S->ParentPkg);};
- inline VerIterator OwnerVer() {return VerIterator(*Owner,Owner->VerP + S->Version);};
- inline PkgIterator OwnerPkg() {return PkgIterator(*Owner,Owner->PkgP + Owner->VerP[S->Version].ParentPkg);};
+ 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);};
inline PrvIterator() : Iterator<Provides, PrvIterator>(), Type(PrvVer) {};