support Signed-By in Release files as a sort of HPKP

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

diff --git a/apt-pkg/cacheiterators.h b/apt-pkg/cacheiterators.h
index 7e6adb92f473c6bbd65d042b3cccb700fa085588..62d0ab59c3960ad6c7a67e6f3d19e08b4e8ab8dc 100644 (file)
--- a/apt-pkg/cacheiterators.h
+++ b/apt-pkg/cacheiterators.h
@@ -35,6 +35,9 @@
 #include<iterator>
 #include <iosfwd>
 #include <string>
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+#include <apt-pkg/string_view.h>
+#endif
 
 #include<string.h>
 
@@ -114,6 +117,10 @@ 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(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
@@ -157,11 +164,7 @@ class pkgCache::PkgIterator: public Iterator<Package, PkgIterator> {
        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 inline const char *Section() const {
-          APT_IGNORE_DEPRECATED_PUSH
-          return S->Section == 0?0:Owner->StrP + S->Section;
-          APT_IGNORE_DEPRECATED_POP
-       }
+       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;}
@@ -172,11 +175,11 @@ class pkgCache::PkgIterator: public Iterator<Package, PkgIterator> {
        inline DepIterator RevDependsList() const APT_PURE;
        inline PrvIterator ProvidesList() const APT_PURE;
        OkState State() const APT_PURE;
-       const char *CandVersion() 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
@@ -295,7 +298,16 @@ class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
        bool IsNegative() const APT_PURE;
        bool IsIgnorable(PrvIterator const &Prv) const APT_PURE;
        bool IsIgnorable(PkgIterator const &Pkg) const APT_PURE;
-       bool IsMultiArchImplicit() 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);
@@ -320,8 +332,8 @@ class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
           DependencyProxy const * operator->() const { return this; }
           DependencyProxy * operator->() { return this; }
        };
-       inline DependencyProxy operator->() const {return { S2->Version, S2->Package, S->ID, S2->Type, S2->CompareOp, S->ParentVer, S->DependencyData, S->NextRevDepends, S->NextDepends, S2->NextData };}
-       inline DependencyProxy operator->() {return { S2->Version, S2->Package, S->ID, S2->Type, S2->CompareOp, S->ParentVer, S->DependencyData, S->NextRevDepends, S->NextDepends, S2->NextData };}
+       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);
@@ -331,7 +343,7 @@ class pkgCache::DepIterator : public Iterator<Dependency, DepIterator> {
        }
 
        //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), S2(Trg == 0 ? Owner.DepDataP : (Owner.DepDataP + Trg->DependencyData)) {
@@ -367,7 +379,12 @@ class pkgCache::PrvIterator : public Iterator<Provides, PrvIterator> {
        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 APT_PURE;
+       /* 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*) :
@@ -504,5 +521,7 @@ inline pkgCache::VerFileIterator pkgCache::VerIterator::FileList() const
        {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