add default and override handling for Cnf::FindVector

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

diff --git a/apt-pkg/depcache.h b/apt-pkg/depcache.h
index 7adf6fe7fa95bca222833f0742a53abd45b87037..f6848f383fe56ef30b40a7c64ea7b0637ede9b14 100644 (file)
--- a/apt-pkg/depcache.h
+++ b/apt-pkg/depcache.h
@@ -15,7 +15,7 @@
    
    This structure is important to support the readonly status of the cache 
    file. When the data is saved the cache will be refereshed from our 
    
    This structure is important to support the readonly status of the cache 
    file. When the data is saved the cache will be refereshed from our 

-   internal rep and written to disk. Then the actual persistant data 
+   internal rep and written to disk. Then the actual persistent data

    files will be put on the disk.
 
    Each dependency is compared against 3 target versions to produce to
    files will be put on the disk.
 
    Each dependency is compared against 3 target versions to produce to


@@ -38,14 +38,20 @@
 #ifndef PKGLIB_DEPCACHE_H
 #define PKGLIB_DEPCACHE_H
 
 #ifndef PKGLIB_DEPCACHE_H
 #define PKGLIB_DEPCACHE_H
 

-
+#include <apt-pkg/configuration.h>

 #include <apt-pkg/pkgcache.h>
 #include <apt-pkg/pkgcache.h>

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

 
 #include <vector>
 #include <memory>
 
 #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
 {


@@ -78,8 +84,8 @@ class pkgDepCache : protected pkgCache::Namespace
     */
    void MarkPackage(const pkgCache::PkgIterator &pkg,
                    const pkgCache::VerIterator &ver,
     */
    void MarkPackage(const pkgCache::PkgIterator &pkg,
                    const pkgCache::VerIterator &ver,

-                   bool follow_recommends,
-                   bool follow_suggests);
+                   bool const &follow_recommends,
+                   bool const &follow_suggests);

 
    /** \brief Update the Marked field of all packages.
     *
 
    /** \brief Update the Marked field of all packages.
     *


@@ -92,7 +98,7 @@ class pkgDepCache : protected pkgCache::Namespace
     *  \param rootFunc A callback that can be used to add extra
     *  packages to the root set.
     *
     *  \param rootFunc A callback that can be used to add extra
     *  packages to the root set.
     *

-    *  \return \b false if an error occured.
+    *  \return \b false if an error occurred.

     */
    bool MarkRequired(InRootSetFunc &rootFunc);
 
     */
    bool MarkRequired(InRootSetFunc &rootFunc);
 


@@ -103,7 +109,7 @@ class pkgDepCache : protected pkgCache::Namespace
     *  are tested to see whether they are actually garbage.  If so,
     *  they are marked as such.
     *
     *  are tested to see whether they are actually garbage.  If so,
     *  they are marked as such.
     *

-    *  \return \b false if an error occured.
+    *  \return \b false if an error occurred.

     */
    bool Sweep();
 
     */
    bool Sweep();
 


@@ -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.
     *


@@ -183,22 +189,13 @@ class pkgDepCache : protected pkgCache::Namespace
    /** \brief Returns \b true for packages matching a regular
     *  expression in APT::NeverAutoRemove.
     */
    /** \brief Returns \b true for packages matching a regular
     *  expression in APT::NeverAutoRemove.
     */

-   class DefaultRootSetFunc : public InRootSetFunc
+   class DefaultRootSetFunc : public InRootSetFunc, public Configuration::MatchAgainstConfig

    {
    {

-     std::vector<regex_t *> rootSetRegexp;
-     bool constructedSuccessfully;
-

    public:
    public:

-     DefaultRootSetFunc();
-     ~DefaultRootSetFunc();
-
-     /** \return \b true if the class initialized successfully, \b
-      *  false otherwise.  Used to avoid throwing an exception, since
-      *  APT classes generally don't.
-      */
-     bool wasConstructedSuccessfully() const { return constructedSuccessfully; }
+     DefaultRootSetFunc() : Configuration::MatchAgainstConfig("APT::NeverAutoRemove") {};
+     virtual ~DefaultRootSetFunc() {};

 
 

-     bool InRootSet(const pkgCache::PkgIterator &pkg);
+     bool InRootSet(const pkgCache::PkgIterator &pkg) { return pkg.end() == false && Match(pkg.Name()); };

    };
 
    struct StateCache
    };
 
    struct StateCache


@@ -240,7 +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;};


@@ -250,6 +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)


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

-      
-      virtual VerIterator GetCandidateVer(PkgIterator Pkg);
-      virtual bool IsImportantDep(DepIterator Dep);
-      
+      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 signed short GetPriority(PkgIterator const &Pkg);
+      virtual signed short GetPriority(PkgFileIterator const &File);
+

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

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

    };
 
    private:
    };
 
    private:


@@ -285,16 +295,21 @@ class pkgDepCache : protected pkgCache::Namespace
    pkgCache *Cache;
    StateCache *PkgState;
    unsigned char *DepState;
    pkgCache *Cache;
    StateCache *PkgState;
    unsigned char *DepState;

-   
-   double iUsrSize;
-   double iDownloadSize;
+
+   /** Stores the space changes after installation */
+   signed long long iUsrSize;
+   /** Stores how much we need to download to get the packages */
+   unsigned long long iDownloadSize;

    unsigned long iInstCount;
    unsigned long iDelCount;
    unsigned long iKeepCount;
    unsigned long iBrokenCount;
    unsigned long iPolicyBrokenCount;
    unsigned long iBadCount;
    unsigned long iInstCount;
    unsigned long iDelCount;
    unsigned long iKeepCount;
    unsigned long iBrokenCount;
    unsigned long iPolicyBrokenCount;
    unsigned long iBadCount;

-   
+
+   bool DebugMarker;
+   bool DebugAutoInstall;
+

    Policy *delLocalPolicy;           // For memory clean up..
    Policy *LocalPolicy;
    
    Policy *delLocalPolicy;           // For memory clean up..
    Policy *LocalPolicy;
    


@@ -317,24 +332,27 @@ class pkgDepCache : protected pkgCache::Namespace
    void Update(PkgIterator const &P);
    
    // Count manipulators
    void Update(PkgIterator const &P);
    
    // Count manipulators

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

    
    public:
 
    // Legacy.. We look like a pkgCache
    inline operator pkgCache &() {return *Cache;};
    inline Header &Head() {return *Cache->HeaderP;};
    
    public:
 
    // Legacy.. We look like a pkgCache
    inline operator pkgCache &() {return *Cache;};
    inline Header &Head() {return *Cache->HeaderP;};

+   inline GrpIterator GrpBegin() {return Cache->GrpBegin();};

    inline PkgIterator PkgBegin() {return Cache->PkgBegin();};
    inline PkgIterator PkgBegin() {return Cache->PkgBegin();};

-   inline PkgIterator FindPkg(string const &Name) {return Cache->FindPkg(Name);};
+   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;};
    
    // Policy implementation
 
    inline pkgCache &GetCache() {return *Cache;};
    inline pkgVersioningSystem &VS() {return *Cache->VS;};
    
    // Policy implementation

-   inline VerIterator GetCandidateVer(PkgIterator Pkg) {return LocalPolicy->GetCandidateVer(Pkg);};
+   inline VerIterator GetCandidateVer(PkgIterator const &Pkg) {return LocalPolicy->GetCandidateVer(Pkg);};

    inline bool IsImportantDep(DepIterator Dep) {return LocalPolicy->IsImportantDep(Dep);};
    inline Policy &GetPolicy() {return *LocalPolicy;};
    
    inline bool IsImportantDep(DepIterator Dep) {return LocalPolicy->IsImportantDep(Dep);};
    inline Policy &GetPolicy() {return *LocalPolicy;};
    


@@ -386,29 +404,81 @@ class pkgDepCache : protected pkgCache::Namespace
    /** \name State Manipulators
     */
    // @{
    /** \name State Manipulators
     */
    // @{

-   void MarkKeep(PkgIterator const &Pkg, bool Soft = false,
-                bool FromUser = true);
-   void MarkDelete(PkgIterator const &Pkg,bool Purge = false);
-   void MarkInstall(PkgIterator const &Pkg,bool AutoInst = true,
+   bool MarkKeep(PkgIterator const &Pkg, bool Soft = false,
+                bool FromUser = true, unsigned long Depth = 0);
+   bool MarkDelete(PkgIterator const &Pkg, bool MarkPurge = false,
+                   unsigned long Depth = 0, bool FromUser = 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 SetCandidateVersion(VerIterator TargetVer);
    void SetReInstall(PkgIterator const &Pkg,bool To);
    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);
    // @}

-   
-   // This is for debuging
-   void Update(OpProgress *Prog = 0);
+
+   /** \return \b true if it's OK for MarkInstall to install
+    *  the given package.
+    *
+    *  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.
+    *  \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?
+    */
+   virtual bool IsInstallOk(const PkgIterator &Pkg,bool AutoInst = true,
+                           unsigned long Depth = 0, bool FromUser = true);
+
+   /** \return \b true if it's OK for MarkDelete to remove
+    *  the given package.
+    *
+    *  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.
+    *  \param Purge     should we purge instead of "only" remove?
+    *  \param Depth     recursive deep of this Marker call
+    *  \param FromUser  was the remove requested by the user?
+    */
+   virtual bool IsDeleteOk(const PkgIterator &Pkg,bool MarkPurge = false,
+                           unsigned long Depth = 0, bool FromUser = true);

 
    // read persistent states
    bool readStateFile(OpProgress *prog);
 
    // read persistent states
    bool readStateFile(OpProgress *prog);

-   bool writeStateFile(OpProgress *prog, bool InstalledOnly=false);
+   bool writeStateFile(OpProgress *prog, bool InstalledOnly=true);

    
    // Size queries
    
    // Size queries

-   inline double UsrSize() {return iUsrSize;};
-   inline double DebSize() {return iDownloadSize;};
+   inline signed long long UsrSize() {return iUsrSize;};
+   inline unsigned long long DebSize() {return iDownloadSize;};

    inline unsigned long DelCount() {return iDelCount;};
    inline unsigned long KeepCount() {return iKeepCount;};
    inline unsigned long InstCount() {return iInstCount;};
    inline unsigned long DelCount() {return iDelCount;};
    inline unsigned long KeepCount() {return iKeepCount;};
    inline unsigned long InstCount() {return iInstCount;};


@@ -417,9 +487,24 @@ class pkgDepCache : protected pkgCache::Namespace
    inline unsigned long BadCount() {return iBadCount;};
 
    bool Init(OpProgress *Prog);
    inline unsigned long BadCount() {return iBadCount;};
 
    bool Init(OpProgress *Prog);

-   
+   // Generate all state information
+   void Update(OpProgress *Prog = 0);
+

    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:
+   bool IsModeChangeOk(ModeList const mode, PkgIterator const &Pkg,
+                       unsigned long const Depth, bool const FromUser);

 };
 
 #endif
 };
 
 #endif