move pty magic into its own functions

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

diff --git a/apt-pkg/depcache.h b/apt-pkg/depcache.h
index 2d3dbdf77ebb2737fd922633b7389e97e601d2c9..61c9aa5592c9bba6da2776de658d57c24e83d420 100644 (file)
--- a/apt-pkg/depcache.h
+++ b/apt-pkg/depcache.h
@@ -40,12 +40,18 @@
 
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/pkgcache.h>
 
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/pkgcache.h>

-#include <apt-pkg/progress.h>
-#include <apt-pkg/error.h>

 
 #include <vector>
 #include <memory>
 #include <set>
 
 #include <vector>
 #include <memory>
 #include <set>

+#include <list>
+
+#ifndef APT_8_CLEANER_HEADERS
+#include <apt-pkg/progress.h>
+#include <apt-pkg/error.h>
+#endif
+
+class OpProgress;

 
 class pkgDepCache : protected pkgCache::Namespace
 {
 
 class pkgDepCache : protected pkgCache::Namespace
 {


@@ -119,10 +125,10 @@ class pkgDepCache : protected pkgCache::Namespace
                        DepCandPolicy = (1 << 4), DepCandMin = (1 << 5)};
    
    // These flags are used in StateCache::iFlags
                        DepCandPolicy = (1 << 4), DepCandMin = (1 << 5)};
    
    // These flags are used in StateCache::iFlags

-   enum InternalFlags {AutoKept = (1 << 0), Purge = (1 << 1), ReInstall = (1 << 2)};
+   enum InternalFlags {AutoKept = (1 << 0), Purge = (1 << 1), ReInstall = (1 << 2), Protected = (1 << 3)};

       
    enum VersionTypes {NowVersion, InstallVersion, CandidateVersion};
       
    enum VersionTypes {NowVersion, InstallVersion, CandidateVersion};

-   enum ModeList {ModeDelete = 0, ModeKeep = 1, ModeInstall = 2};
+   enum ModeList {ModeDelete = 0, ModeKeep = 1, ModeInstall = 2, ModeGarbage = 3};

 
    /** \brief Represents an active action group.
     *
 
    /** \brief Represents an active action group.
     *


@@ -231,7 +237,9 @@ class pkgDepCache : protected pkgCache::Namespace
       // Various test members for the current status of the package
       inline bool NewInstall() const {return Status == 2 && Mode == ModeInstall;};
       inline bool Delete() const {return Mode == ModeDelete;};
       // Various test members for the current status of the package
       inline bool NewInstall() const {return Status == 2 && Mode == ModeInstall;};
       inline bool Delete() const {return Mode == ModeDelete;};

+      inline bool Purge() const {return Delete() == true && (iFlags & pkgDepCache::Purge) == pkgDepCache::Purge; };

       inline bool Keep() const {return Mode == ModeKeep;};
       inline bool Keep() const {return Mode == ModeKeep;};

+      inline bool Protect() const {return (iFlags & Protected) == Protected;};

       inline bool Upgrade() const {return Status > 0 && Mode == ModeInstall;};
       inline bool Upgradable() const {return Status >= 1;};
       inline bool Downgrade() const {return Status < 0 && Mode == ModeInstall;};
       inline bool Upgrade() const {return Status > 0 && Mode == ModeInstall;};
       inline bool Upgradable() const {return Status >= 1;};
       inline bool Downgrade() const {return Status < 0 && Mode == ModeInstall;};


@@ -241,6 +249,7 @@ class pkgDepCache : protected pkgCache::Namespace
       inline bool InstBroken() const {return (DepState & DepInstMin) != DepInstMin;};
       inline bool InstPolicyBroken() const {return (DepState & DepInstPolicy) != DepInstPolicy;};
       inline bool Install() const {return Mode == ModeInstall;};
       inline bool InstBroken() const {return (DepState & DepInstMin) != DepInstMin;};
       inline bool InstPolicyBroken() const {return (DepState & DepInstPolicy) != DepInstPolicy;};
       inline bool Install() const {return Mode == ModeInstall;};

+      inline bool ReInstall() const {return Delete() == false && (iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall;};

       inline VerIterator InstVerIter(pkgCache &Cache)
                 {return VerIterator(Cache,InstallVer);};
       inline VerIterator CandidateVerIter(pkgCache &Cache)
       inline VerIterator InstVerIter(pkgCache &Cache)
                 {return VerIterator(Cache,InstallVer);};
       inline VerIterator CandidateVerIter(pkgCache &Cache)


@@ -255,11 +264,21 @@ class pkgDepCache : protected pkgCache::Namespace
    class Policy
    {
       public:
    class Policy
    {
       public:

-      
+      Policy() {
+         InstallRecommends = _config->FindB("APT::Install-Recommends", false);
+         InstallSuggests = _config->FindB("APT::Install-Suggests", false);
+      }
+

       virtual VerIterator GetCandidateVer(PkgIterator const &Pkg);
       virtual bool IsImportantDep(DepIterator const &Dep);
       virtual VerIterator GetCandidateVer(PkgIterator const &Pkg);
       virtual bool IsImportantDep(DepIterator const &Dep);

-      
+      virtual signed short GetPriority(PkgIterator const &Pkg);
+      virtual signed short GetPriority(PkgFileIterator const &File);
+

       virtual ~Policy() {};
       virtual ~Policy() {};

+
+      private:
+      bool InstallRecommends;
+      bool InstallSuggests;

    };
 
    private:
    };
 
    private:


@@ -313,11 +332,10 @@ class pkgDepCache : protected pkgCache::Namespace
    void Update(PkgIterator const &P);
    
    // Count manipulators
    void Update(PkgIterator const &P);
    
    // Count manipulators

-   void AddSizes(const PkgIterator &Pkg, bool const &Invert = false);
+   void AddSizes(const PkgIterator &Pkg, bool const Invert = false);

    inline void RemoveSizes(const PkgIterator &Pkg) {AddSizes(Pkg, true);};
    inline void RemoveSizes(const PkgIterator &Pkg) {AddSizes(Pkg, true);};

-   void AddSizes(const PkgIterator &Pkg,signed long Mult) __deprecated;
-   void AddStates(const PkgIterator &Pkg,int Add = 1);
-   inline void RemoveStates(const PkgIterator &Pkg) {AddStates(Pkg,-1);};
+   void AddStates(const PkgIterator &Pkg, bool const Invert = false);
+   inline void RemoveStates(const PkgIterator &Pkg) {AddStates(Pkg,true);};

    
    public:
 
    
    public:
 


@@ -326,9 +344,9 @@ class pkgDepCache : protected pkgCache::Namespace
    inline Header &Head() {return *Cache->HeaderP;};
    inline GrpIterator GrpBegin() {return Cache->GrpBegin();};
    inline PkgIterator PkgBegin() {return Cache->PkgBegin();};
    inline Header &Head() {return *Cache->HeaderP;};
    inline GrpIterator GrpBegin() {return Cache->GrpBegin();};
    inline PkgIterator PkgBegin() {return Cache->PkgBegin();};

-   inline GrpIterator FindGrp(string const &Name) {return Cache->FindGrp(Name);};
-   inline PkgIterator FindPkg(string const &Name) {return Cache->FindPkg(Name);};
-   inline PkgIterator FindPkg(string const &Name, string const &Arch) {return Cache->FindPkg(Name, Arch);};
+   inline GrpIterator FindGrp(std::string const &Name) {return Cache->FindGrp(Name);};
+   inline PkgIterator FindPkg(std::string const &Name) {return Cache->FindPkg(Name);};
+   inline PkgIterator FindPkg(std::string const &Name, std::string const &Arch) {return Cache->FindPkg(Name, Arch);};

 
    inline pkgCache &GetCache() {return *Cache;};
    inline pkgVersioningSystem &VS() {return *Cache->VS;};
 
    inline pkgCache &GetCache() {return *Cache;};
    inline pkgVersioningSystem &VS() {return *Cache->VS;};


@@ -386,16 +404,36 @@ class pkgDepCache : protected pkgCache::Namespace
    /** \name State Manipulators
     */
    // @{
    /** \name State Manipulators
     */
    // @{

-   void MarkKeep(PkgIterator const &Pkg, bool Soft = false,
+   bool MarkKeep(PkgIterator const &Pkg, bool Soft = false,

                 bool FromUser = true, unsigned long Depth = 0);
                 bool FromUser = true, unsigned long Depth = 0);

-   void MarkDelete(PkgIterator const &Pkg, bool Purge = false,
+   bool MarkDelete(PkgIterator const &Pkg, bool MarkPurge = false,

                    unsigned long Depth = 0, bool FromUser = true);
                    unsigned long Depth = 0, bool FromUser = true);

-   void MarkInstall(PkgIterator const &Pkg,bool AutoInst = true,
+   bool MarkInstall(PkgIterator const &Pkg,bool AutoInst = true,

                    unsigned long Depth = 0, bool FromUser = true,
                    bool ForceImportantDeps = false);
                    unsigned long Depth = 0, bool FromUser = true,
                    bool ForceImportantDeps = false);

+   void MarkProtected(PkgIterator const &Pkg) { PkgState[Pkg->ID].iFlags |= Protected; };

 
    void SetReInstall(PkgIterator const &Pkg,bool To);
 
    void SetReInstall(PkgIterator const &Pkg,bool To);

-   void SetCandidateVersion(VerIterator TargetVer, bool const &Pseudo = true);
+   void SetCandidateVersion(VerIterator TargetVer);
+   bool SetCandidateRelease(pkgCache::VerIterator TargetVer,
+                               std::string const &TargetRel);
+   /** Set the candidate version for dependencies too if needed.
+    *
+    *  Sets not only the candidate version as SetCandidateVersion does,
+    *  but walks also down the dependency tree and checks if it is required
+    *  to set the candidate of the dependency to a version from the given
+    *  release, too.
+    *
+    *  \param TargetVer new candidate version of the package
+    *  \param TargetRel try to switch to this release if needed
+    *  \param[out] Changed a list of pairs consisting of the \b old
+    *              version of the changed package and the version which
+    *              required the switch of this dependency
+    *  \return \b true if the switch was successful, \b false otherwise
+    */
+   bool SetCandidateRelease(pkgCache::VerIterator TargetVer,
+                           std::string const &TargetRel,
+                           std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> > &Changed);

 
    /** Set the "is automatically installed" flag of Pkg. */
    void MarkAuto(const PkgIterator &Pkg, bool Auto);
 
    /** Set the "is automatically installed" flag of Pkg. */
    void MarkAuto(const PkgIterator &Pkg, bool Auto);


@@ -404,16 +442,15 @@ class pkgDepCache : protected pkgCache::Namespace
    /** \return \b true if it's OK for MarkInstall to install
     *  the given package.
     *
    /** \return \b true if it's OK for MarkInstall to install
     *  the given package.
     *

-    *  See the default implementation for a simple example how this
-    *  method can be used.
-    *  Overriding implementations should use the hold-state-flag to cache
-    *  results from previous checks of this package - also it should
-    *  be used if the default resolver implementation is also used to
-    *  ensure that these packages are handled like "normal" dpkg holds.
+    *  The default implementation simply calls all IsInstallOk*
+    *  method mentioned below.
+    *
+    *  Overriding implementations should use the hold-state-flag to
+    *  cache results from previous checks of this package - if possible.

     *
     *  The parameters are the same as in the calling MarkInstall:
     *  \param Pkg       the package that MarkInstall wants to install.
     *
     *  The parameters are the same as in the calling MarkInstall:
     *  \param Pkg       the package that MarkInstall wants to install.

-    *  \param AutoInst  needs a previous MarkInstall this package?
+    *  \param AutoInst  install this and all its dependencies

     *  \param Depth     recursive deep of this Marker call
     *  \param FromUser  was the install requested by the user?
     */
     *  \param Depth     recursive deep of this Marker call
     *  \param FromUser  was the install requested by the user?
     */


@@ -423,12 +460,8 @@ class pkgDepCache : protected pkgCache::Namespace
    /** \return \b true if it's OK for MarkDelete to remove
     *  the given package.
     *
    /** \return \b true if it's OK for MarkDelete to remove
     *  the given package.
     *

-    *  See the default implementation for a simple example how this
-    *  method can be used.
-    *  Overriding implementations should use the hold-state-flag to cache
-    *  results from previous checks of this package - also it should
-    *  be used if the default resolver implementation is also used to
-    *  ensure that these packages are handled like "normal" dpkg holds.
+    *  The default implementation simply calls all IsDeleteOk*
+    *  method mentioned below, see also #IsInstallOk.

     *
     *  The parameters are the same as in the calling MarkDelete:
     *  \param Pkg       the package that MarkDelete wants to remove.
     *
     *  The parameters are the same as in the calling MarkDelete:
     *  \param Pkg       the package that MarkDelete wants to remove.


@@ -436,7 +469,7 @@ class pkgDepCache : protected pkgCache::Namespace
     *  \param Depth     recursive deep of this Marker call
     *  \param FromUser  was the remove requested by the user?
     */
     *  \param Depth     recursive deep of this Marker call
     *  \param FromUser  was the remove requested by the user?
     */

-   virtual bool IsDeleteOk(const PkgIterator &Pkg,bool Purge = false,
+   virtual bool IsDeleteOk(const PkgIterator &Pkg,bool MarkPurge = false,

                            unsigned long Depth = 0, bool FromUser = true);
 
    // read persistent states
                            unsigned long Depth = 0, bool FromUser = true);
 
    // read persistent states


@@ -460,11 +493,18 @@ class pkgDepCache : protected pkgCache::Namespace
    pkgDepCache(pkgCache *Cache,Policy *Plcy = 0);
    virtual ~pkgDepCache();
 
    pkgDepCache(pkgCache *Cache,Policy *Plcy = 0);
    virtual ~pkgDepCache();
 

+   protected:
+   // methods call by IsInstallOk
+   bool IsInstallOkMultiArchSameVersionSynced(PkgIterator const &Pkg,
+        bool const AutoInst, unsigned long const Depth, bool const FromUser);
+
+   // methods call by IsDeleteOk
+   bool IsDeleteOkProtectInstallRequests(PkgIterator const &Pkg,
+        bool const rPurge, unsigned long const Depth, bool const FromUser);
+

    private:
    private:

-   // Helper for Update(OpProgress) to remove pseudoinstalled arch all packages
-   bool RemovePseudoInstalledPkg(PkgIterator &Pkg, std::set<unsigned long> &recheck);
-   bool ReInstallPseudoForGroup(unsigned long const &Grp, std::set<unsigned long> &recheck);
-   bool ReInstallPseudoForGroup(pkgCache::PkgIterator const &P, std::set<unsigned long> &recheck);
+   bool IsModeChangeOk(ModeList const mode, PkgIterator const &Pkg,
+                       unsigned long const Depth, bool const FromUser);

 };
 
 #endif
 };
 
 #endif