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-rw-r--r--apt-pkg/cacheset.h524
1 files changed, 344 insertions, 180 deletions
diff --git a/apt-pkg/cacheset.h b/apt-pkg/cacheset.h
index 3b1118bdc..411b31513 100644
--- a/apt-pkg/cacheset.h
+++ b/apt-pkg/cacheset.h
@@ -15,6 +15,7 @@
#include <map>
#include <set>
#include <string>
+#include <iterator>
#include <apt-pkg/error.h>
#include <apt-pkg/pkgcache.h>
@@ -23,8 +24,9 @@
class pkgCacheFile;
namespace APT {
-class PackageSet;
-class VersionSet;
+class PackageContainerInterface;
+class VersionContainerInterface;
+
class CacheSetHelper { /*{{{*/
/** \class APT::CacheSetHelper
Simple base class with a lot of virtual methods which can be overridden
@@ -35,25 +37,28 @@ class CacheSetHelper { /*{{{*/
printed out.
*/
public: /*{{{*/
- CacheSetHelper(bool const &ShowError = true,
+ CacheSetHelper(bool const ShowError = true,
GlobalError::MsgType ErrorType = GlobalError::ERROR) :
ShowError(ShowError), ErrorType(ErrorType) {};
virtual ~CacheSetHelper() {};
- virtual void showTaskSelection(PackageSet const &pkgset, std::string const &pattern) {};
- virtual void showRegExSelection(PackageSet const &pkgset, std::string const &pattern) {};
+ virtual void showTaskSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
+ virtual void showRegExSelection(pkgCache::PkgIterator const &pkg, std::string const &pattern);
virtual void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver,
- std::string const &ver, bool const &verIsRel) {};
+ std::string const &ver, bool const verIsRel);
- virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str);
- virtual PackageSet canNotFindTask(pkgCacheFile &Cache, std::string pattern);
- virtual PackageSet canNotFindRegEx(pkgCacheFile &Cache, std::string pattern);
- virtual PackageSet canNotFindPackage(pkgCacheFile &Cache, std::string const &str);
- virtual VersionSet canNotFindAllVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
- virtual VersionSet canNotFindInstCandVer(pkgCacheFile &Cache,
+ virtual void canNotFindTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ virtual void canNotFindRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
+ virtual void canNotFindPackage(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &str);
+
+ virtual void canNotFindAllVer(VersionContainerInterface * const vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ virtual void canNotFindInstCandVer(VersionContainerInterface * const vci, pkgCacheFile &Cache,
pkgCache::PkgIterator const &Pkg);
- virtual VersionSet canNotFindCandInstVer(pkgCacheFile &Cache,
+ virtual void canNotFindCandInstVer(VersionContainerInterface * const vci,
+ pkgCacheFile &Cache,
pkgCache::PkgIterator const &Pkg);
+
+ virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str);
virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache,
pkgCache::PkgIterator const &Pkg);
virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache,
@@ -62,7 +67,7 @@ public: /*{{{*/
pkgCache::PkgIterator const &Pkg);
bool showErrors() const { return ShowError; };
- bool showErrors(bool const &newValue) { if (ShowError == newValue) return ShowError; else return ((ShowError = newValue) == false); };
+ bool showErrors(bool const newValue) { if (ShowError == newValue) return ShowError; else return ((ShowError = newValue) == false); };
GlobalError::MsgType errorType() const { return ErrorType; };
GlobalError::MsgType errorType(GlobalError::MsgType const &newValue)
{
@@ -79,53 +84,117 @@ protected:
bool ShowError;
GlobalError::MsgType ErrorType;
}; /*}}}*/
-class PackageSet : public std::set<pkgCache::PkgIterator> { /*{{{*/
-/** \class APT::PackageSet
-
- Simple wrapper around a std::set to provide a similar interface to
- a set of packages as to the complete set of all packages in the
- pkgCache. */
-public: /*{{{*/
- /** \brief smell like a pkgCache::PkgIterator */
- class const_iterator : public std::set<pkgCache::PkgIterator>::const_iterator {/*{{{*/
+class PackageContainerInterface { /*{{{*/
+/** \class PackageContainerInterface
+
+ * Interface ensuring that all operations can be executed on the yet to
+ * define concrete PackageContainer - access to all methods is possible,
+ * but in general the wrappers provided by the PackageContainer template
+ * are nicer to use.
+
+ * This class mostly protects use from the need to write all implementation
+ * of the methods working on containers in the template */
+public:
+ class const_iterator { /*{{{*/
public:
- const_iterator(std::set<pkgCache::PkgIterator>::const_iterator x) :
- std::set<pkgCache::PkgIterator>::const_iterator(x) {}
-
- operator pkgCache::PkgIterator(void) { return **this; }
-
- inline const char *Name() const {return (**this).Name(); }
- inline std::string FullName(bool const &Pretty) const { return (**this).FullName(Pretty); }
- inline std::string FullName() const { return (**this).FullName(); }
- inline const char *Section() const {return (**this).Section(); }
- inline bool Purge() const {return (**this).Purge(); }
- inline const char *Arch() const {return (**this).Arch(); }
- inline pkgCache::GrpIterator Group() const { return (**this).Group(); }
- inline pkgCache::VerIterator VersionList() const { return (**this).VersionList(); }
- inline pkgCache::VerIterator CurrentVer() const { return (**this).CurrentVer(); }
- inline pkgCache::DepIterator RevDependsList() const { return (**this).RevDependsList(); }
- inline pkgCache::PrvIterator ProvidesList() const { return (**this).ProvidesList(); }
- inline pkgCache::PkgIterator::OkState State() const { return (**this).State(); }
- inline const char *CandVersion() const { return (**this).CandVersion(); }
- inline const char *CurVersion() const { return (**this).CurVersion(); }
- inline pkgCache *Cache() const { return (**this).Cache(); };
- inline unsigned long Index() const {return (**this).Index();};
+ virtual pkgCache::PkgIterator getPkg() const = 0;
+ operator pkgCache::PkgIterator(void) const { return getPkg(); }
+
+ inline const char *Name() const {return getPkg().Name(); }
+ inline std::string FullName(bool const Pretty) const { return getPkg().FullName(Pretty); }
+ inline std::string FullName() const { return getPkg().FullName(); }
+ inline const char *Section() const {return getPkg().Section(); }
+ inline bool Purge() const {return getPkg().Purge(); }
+ inline const char *Arch() const {return getPkg().Arch(); }
+ inline pkgCache::GrpIterator Group() const { return getPkg().Group(); }
+ inline pkgCache::VerIterator VersionList() const { return getPkg().VersionList(); }
+ inline pkgCache::VerIterator CurrentVer() const { return getPkg().CurrentVer(); }
+ inline pkgCache::DepIterator RevDependsList() const { return getPkg().RevDependsList(); }
+ inline pkgCache::PrvIterator ProvidesList() const { return getPkg().ProvidesList(); }
+ inline pkgCache::PkgIterator::OkState State() const { return getPkg().State(); }
+ inline const char *CandVersion() const { return getPkg().CandVersion(); }
+ inline const char *CurVersion() const { return getPkg().CurVersion(); }
+ inline pkgCache *Cache() const { return getPkg().Cache(); };
+ inline unsigned long Index() const {return getPkg().Index();};
// we have only valid iterators here
inline bool end() const { return false; };
- friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, (*i)); }
+ inline pkgCache::Package const * operator->() const {return &*getPkg();};
+ };
+ /*}}}*/
+
+ virtual bool insert(pkgCache::PkgIterator const &P) = 0;
+ virtual bool empty() const = 0;
+ virtual void clear() = 0;
+
+ enum Constructor { UNKNOWN, REGEX, TASK };
+ virtual void setConstructor(Constructor const &con) = 0;
+ virtual Constructor getConstructor() const = 0;
+
+ static bool FromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper);
+ static bool FromRegEx(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper);
+ static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper);
+ static bool FromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper);
+ static bool FromCommandLine(PackageContainerInterface * const pci, pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper);
+
+ struct Modifier {
+ enum Position { NONE, PREFIX, POSTFIX };
+ unsigned short ID;
+ const char * const Alias;
+ Position Pos;
+ Modifier (unsigned short const &id, const char * const alias, Position const &pos) : ID(id), Alias(alias), Pos(pos) {};
+ };
+
+ static bool FromModifierCommandLine(unsigned short &modID, PackageContainerInterface * const pci,
+ pkgCacheFile &Cache, const char * cmdline,
+ std::list<Modifier> const &mods, CacheSetHelper &helper);
+};
+ /*}}}*/
+template<class Container> class PackageContainer : public PackageContainerInterface {/*{{{*/
+/** \class APT::PackageContainer
- inline pkgCache::Package const * operator->() const {
- return &***this;
- };
+ Simple wrapper around a container class like std::set to provide a similar
+ interface to a set of packages as to the complete set of all packages in the
+ pkgCache. */
+ Container _cont;
+public: /*{{{*/
+ /** \brief smell like a pkgCache::PkgIterator */
+ class const_iterator : public PackageContainerInterface::const_iterator,
+ public std::iterator<std::forward_iterator_tag, typename Container::const_iterator> {/*{{{*/
+ typename Container::const_iterator _iter;
+ public:
+ const_iterator(typename Container::const_iterator i) : _iter(i) {}
+ pkgCache::PkgIterator getPkg(void) const { return *_iter; }
+ inline pkgCache::PkgIterator operator*(void) const { return *_iter; };
+ operator typename Container::const_iterator(void) const { return _iter; }
+ inline void operator++(void) { ++_iter; };
+ inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; };
+ inline bool operator==(const_iterator const &i) const { return _iter == i._iter; };
+ friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, *i); }
};
- // 103. set::iterator is required to be modifiable, but this allows modification of keys
- typedef APT::PackageSet::const_iterator iterator;
+ // we are not going to allow modify our pkgiterators (it doesn't make sense)…
+ typedef APT::PackageContainer<Container>::const_iterator iterator;
/*}}}*/
- using std::set<pkgCache::PkgIterator>::insert;
- inline void insert(pkgCache::PkgIterator const &P) { if (P.end() == false) std::set<pkgCache::PkgIterator>::insert(P); };
- inline void insert(PackageSet const &pkgset) { insert(pkgset.begin(), pkgset.end()); };
+ bool insert(pkgCache::PkgIterator const &P) { if (P.end() == true) return false; _cont.insert(P); return true; };
+ template<class Cont> void insert(PackageContainer<Cont> const &pkgcont) { _cont.insert((typename Cont::const_iterator)pkgcont.begin(), (typename Cont::const_iterator)pkgcont.end()); };
+ void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); };
+ bool empty() const { return _cont.empty(); };
+ void clear() { return _cont.clear(); };
+ void erase(iterator position) { _cont.erase((typename Container::const_iterator)position); };
+ size_t erase(const pkgCache::PkgIterator x) { return _cont.erase(x); };
+ void erase(iterator first, iterator last) { _cont.erase(first, last); };
+ size_t size() const { return _cont.size(); };
+
+ const_iterator begin() const { return const_iterator(_cont.begin()); };
+ const_iterator end() const { return const_iterator(_cont.end()); };
+ const_iterator find(pkgCache::PkgIterator const &P) const { return const_iterator(_cont.find(P)); };
+
+ void setConstructor(Constructor const &by) { ConstructedBy = by; };
+ Constructor getConstructor() const { return ConstructedBy; };
+
+ PackageContainer() : ConstructedBy(UNKNOWN) {};
+ PackageContainer(Constructor const &by) : ConstructedBy(by) {};
/** \brief returns all packages in the cache who belong to the given task
@@ -135,8 +204,12 @@ public: /*{{{*/
\param Cache the packages are in
\param pattern name of the task
\param helper responsible for error and message handling */
- static APT::PackageSet FromTask(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper);
- static APT::PackageSet FromTask(pkgCacheFile &Cache, std::string const &pattern) {
+ static PackageContainer FromTask(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
+ PackageContainer cont(TASK);
+ PackageContainerInterface::FromTask(&cont, Cache, pattern, helper);
+ return cont;
+ }
+ static PackageContainer FromTask(pkgCacheFile &Cache, std::string const &pattern) {
CacheSetHelper helper;
return FromTask(Cache, pattern, helper);
}
@@ -149,32 +222,43 @@ public: /*{{{*/
\param Cache the packages are in
\param pattern regular expression for package names
\param helper responsible for error and message handling */
- static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper);
- static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string const &pattern) {
+ static PackageContainer FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
+ PackageContainer cont(REGEX);
+ PackageContainerInterface::FromRegEx(&cont, Cache, pattern, helper);
+ return cont;
+ }
+
+ static PackageContainer FromRegEx(pkgCacheFile &Cache, std::string const &pattern) {
CacheSetHelper helper;
return FromRegEx(Cache, pattern, helper);
}
- /** \brief returns all packages specified by a string
+ /** \brief returns a package specified by a string
- \param Cache the packages are in
- \param string String the package name(s) should be extracted from
+ \param Cache the package is in
+ \param pattern String the package name should be extracted from
\param helper responsible for error and message handling */
- static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string, CacheSetHelper &helper);
- static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string) {
+ static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
+ return PackageContainerInterface::FromName(Cache, pattern, helper);
+ }
+ static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &pattern) {
CacheSetHelper helper;
- return FromString(Cache, string, helper);
+ return PackageContainerInterface::FromName(Cache, pattern, helper);
}
- /** \brief returns a package specified by a string
+ /** \brief returns all packages specified by a string
- \param Cache the package is in
- \param string String the package name should be extracted from
+ \param Cache the packages are in
+ \param pattern String the package name(s) should be extracted from
\param helper responsible for error and message handling */
- static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &string, CacheSetHelper &helper);
- static pkgCache::PkgIterator FromName(pkgCacheFile &Cache, std::string const &string) {
+ static PackageContainer FromString(pkgCacheFile &Cache, std::string const &pattern, CacheSetHelper &helper) {
+ PackageContainer cont;
+ PackageContainerInterface::FromString(&cont, Cache, pattern, helper);
+ return cont;
+ }
+ static PackageContainer FromString(pkgCacheFile &Cache, std::string const &pattern) {
CacheSetHelper helper;
- return FromName(Cache, string, helper);
+ return FromString(Cache, pattern, helper);
}
/** \brief returns all packages specified on the commandline
@@ -184,20 +268,16 @@ public: /*{{{*/
\param Cache the packages are in
\param cmdline Command line the package names should be extracted from
\param helper responsible for error and message handling */
- static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper);
- static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
+ static PackageContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper) {
+ PackageContainer cont;
+ PackageContainerInterface::FromCommandLine(&cont, Cache, cmdline, helper);
+ return cont;
+ }
+ static PackageContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
CacheSetHelper helper;
return FromCommandLine(Cache, cmdline, helper);
}
- struct Modifier {
- enum Position { NONE, PREFIX, POSTFIX };
- unsigned short ID;
- const char * const Alias;
- Position Pos;
- Modifier (unsigned short const &id, const char * const alias, Position const &pos) : ID(id), Alias(alias), Pos(pos) {};
- };
-
/** \brief group packages by a action modifiers
At some point it is needed to get from the same commandline
@@ -209,76 +289,75 @@ public: /*{{{*/
\param mods list of modifiers the method should accept
\param fallback the default modifier group for a package
\param helper responsible for error and message handling */
- static std::map<unsigned short, PackageSet> GroupedFromCommandLine(
- pkgCacheFile &Cache, const char **cmdline,
- std::list<PackageSet::Modifier> const &mods,
- unsigned short const &fallback, CacheSetHelper &helper);
- static std::map<unsigned short, PackageSet> GroupedFromCommandLine(
- pkgCacheFile &Cache, const char **cmdline,
- std::list<PackageSet::Modifier> const &mods,
- unsigned short const &fallback) {
+ static std::map<unsigned short, PackageContainer> GroupedFromCommandLine(
+ pkgCacheFile &Cache,
+ const char **cmdline,
+ std::list<Modifier> const &mods,
+ unsigned short const &fallback,
+ CacheSetHelper &helper) {
+ std::map<unsigned short, PackageContainer> pkgsets;
+ for (const char **I = cmdline; *I != 0; ++I) {
+ unsigned short modID = fallback;
+ PackageContainer pkgset;
+ PackageContainerInterface::FromModifierCommandLine(modID, &pkgset, Cache, *I, mods, helper);
+ pkgsets[modID].insert(pkgset);
+ }
+ return pkgsets;
+ }
+ static std::map<unsigned short, PackageContainer> GroupedFromCommandLine(
+ pkgCacheFile &Cache,
+ const char **cmdline,
+ std::list<Modifier> const &mods,
+ unsigned short const &fallback) {
CacheSetHelper helper;
return GroupedFromCommandLine(Cache, cmdline,
mods, fallback, helper);
}
-
- enum Constructor { UNKNOWN, REGEX, TASK };
- Constructor getConstructor() const { return ConstructedBy; };
-
- PackageSet() : ConstructedBy(UNKNOWN) {};
- PackageSet(Constructor const &by) : ConstructedBy(by) {};
/*}}}*/
private: /*{{{*/
Constructor ConstructedBy;
/*}}}*/
}; /*}}}*/
-class VersionSet : public std::set<pkgCache::VerIterator> { /*{{{*/
-/** \class APT::VersionSet
+typedef PackageContainer<std::set<pkgCache::PkgIterator> > PackageSet;
- Simple wrapper around a std::set to provide a similar interface to
- a set of versions as to the complete set of all versions in the
- pkgCache. */
-public: /*{{{*/
+class VersionContainerInterface { /*{{{*/
+/** \class APT::VersionContainerInterface
+
+ Same as APT::PackageContainerInterface, just for Versions */
+public:
/** \brief smell like a pkgCache::VerIterator */
- class const_iterator : public std::set<pkgCache::VerIterator>::const_iterator {/*{{{*/
+ class const_iterator { /*{{{*/
public:
- const_iterator(std::set<pkgCache::VerIterator>::const_iterator x) :
- std::set<pkgCache::VerIterator>::const_iterator(x) {}
-
- operator pkgCache::VerIterator(void) { return **this; }
-
- inline pkgCache *Cache() const { return (**this).Cache(); };
- inline unsigned long Index() const {return (**this).Index();};
+ virtual pkgCache::VerIterator getVer() const = 0;
+ operator pkgCache::VerIterator(void) { return getVer(); }
+
+ inline pkgCache *Cache() const { return getVer().Cache(); };
+ inline unsigned long Index() const {return getVer().Index();};
+ inline int CompareVer(const pkgCache::VerIterator &B) const { return getVer().CompareVer(B); };
+ inline const char *VerStr() const { return getVer().VerStr(); };
+ inline const char *Section() const { return getVer().Section(); };
+ inline const char *Arch() const { return getVer().Arch(); };
+ inline pkgCache::PkgIterator ParentPkg() const { return getVer().ParentPkg(); };
+ inline pkgCache::DescIterator DescriptionList() const { return getVer().DescriptionList(); };
+ inline pkgCache::DescIterator TranslatedDescription() const { return getVer().TranslatedDescription(); };
+ inline pkgCache::DepIterator DependsList() const { return getVer().DependsList(); };
+ inline pkgCache::PrvIterator ProvidesList() const { return getVer().ProvidesList(); };
+ inline pkgCache::VerFileIterator FileList() const { return getVer().FileList(); };
+ inline bool Downloadable() const { return getVer().Downloadable(); };
+ inline const char *PriorityType() const { return getVer().PriorityType(); };
+ inline std::string RelStr() const { return getVer().RelStr(); };
+ inline bool Automatic() const { return getVer().Automatic(); };
+ inline pkgCache::VerFileIterator NewestFile() const { return getVer().NewestFile(); };
// we have only valid iterators here
inline bool end() const { return false; };
- inline pkgCache::Version const * operator->() const {
- return &***this;
- };
-
- inline int CompareVer(const pkgCache::VerIterator &B) const { return (**this).CompareVer(B); };
- inline const char *VerStr() const { return (**this).VerStr(); };
- inline const char *Section() const { return (**this).Section(); };
- inline const char *Arch() const { return (**this).Arch(); };
- inline pkgCache::PkgIterator ParentPkg() const { return (**this).ParentPkg(); };
- inline pkgCache::DescIterator DescriptionList() const { return (**this).DescriptionList(); };
- inline pkgCache::DescIterator TranslatedDescription() const { return (**this).TranslatedDescription(); };
- inline pkgCache::DepIterator DependsList() const { return (**this).DependsList(); };
- inline pkgCache::PrvIterator ProvidesList() const { return (**this).ProvidesList(); };
- inline pkgCache::VerFileIterator FileList() const { return (**this).FileList(); };
- inline bool Downloadable() const { return (**this).Downloadable(); };
- inline const char *PriorityType() const { return (**this).PriorityType(); };
- inline std::string RelStr() const { return (**this).RelStr(); };
- inline bool Automatic() const { return (**this).Automatic(); };
- inline pkgCache::VerFileIterator NewestFile() const { return (**this).NewestFile(); };
+ inline pkgCache::Version const * operator->() const { return &*getVer(); };
};
/*}}}*/
- // 103. set::iterator is required to be modifiable, but this allows modification of keys
- typedef APT::VersionSet::const_iterator iterator;
- using std::set<pkgCache::VerIterator>::insert;
- inline void insert(pkgCache::VerIterator const &V) { if (V.end() == false) std::set<pkgCache::VerIterator>::insert(V); };
- inline void insert(VersionSet const &verset) { insert(verset.begin(), verset.end()); };
+ virtual bool insert(pkgCache::VerIterator const &V) = 0;
+ virtual bool empty() const = 0;
+ virtual void clear() = 0;
/** \brief specifies which version(s) will be returned if non is given */
enum Version {
@@ -298,6 +377,93 @@ public: /*{{{*/
NEWEST
};
+ struct Modifier {
+ enum Position { NONE, PREFIX, POSTFIX };
+ unsigned short ID;
+ const char * const Alias;
+ Position Pos;
+ Version SelectVersion;
+ Modifier (unsigned short const &id, const char * const alias, Position const &pos,
+ Version const &select) : ID(id), Alias(alias), Pos(pos),
+ SelectVersion(select) {};
+ };
+
+ static bool FromCommandLine(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+ const char **cmdline, Version const &fallback,
+ CacheSetHelper &helper);
+
+ static bool FromString(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+ std::string pkg, Version const &fallback, CacheSetHelper &helper,
+ bool const onlyFromName = false);
+
+ static bool FromPackage(VersionContainerInterface * const vci, pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &P, Version const &fallback,
+ CacheSetHelper &helper);
+
+ static bool FromModifierCommandLine(unsigned short &modID,
+ VersionContainerInterface * const vci,
+ pkgCacheFile &Cache, const char * cmdline,
+ std::list<Modifier> const &mods,
+ CacheSetHelper &helper);
+
+protected: /*{{{*/
+
+ /** \brief returns the candidate version of the package
+
+ \param Cache to be used to query for information
+ \param Pkg we want the candidate version from this package */
+ static pkgCache::VerIterator getCandidateVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
+
+ /** \brief returns the installed version of the package
+
+ \param Cache to be used to query for information
+ \param Pkg we want the installed version from this package */
+ static pkgCache::VerIterator getInstalledVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
+ /*}}}*/
+};
+ /*}}}*/
+template<class Container> class VersionContainer : public VersionContainerInterface {/*{{{*/
+/** \class APT::PackageContainer
+
+ Simple wrapper around a container class like std::set to provide a similar
+ interface to a set of versions as to the complete set of all versions in the
+ pkgCache. */
+ Container _cont;
+public: /*{{{*/
+ /** \brief smell like a pkgCache::VerIterator */
+ class const_iterator : public VersionContainerInterface::const_iterator,
+ public std::iterator<std::forward_iterator_tag, typename Container::const_iterator> {/*{{{*/
+ typename Container::const_iterator _iter;
+ public:
+ const_iterator(typename Container::const_iterator i) : _iter(i) {}
+ pkgCache::VerIterator getVer(void) const { return *_iter; }
+ inline pkgCache::VerIterator operator*(void) const { return *_iter; };
+ operator typename Container::const_iterator(void) const { return _iter; }
+ inline void operator++(void) { ++_iter; };
+ inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; };
+ inline bool operator==(const_iterator const &i) const { return _iter == i._iter; };
+ friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, *i); }
+ };
+ // we are not going to allow modify our veriterators (it doesn't make sense)…
+ typedef APT::VersionContainer<Container>::const_iterator iterator;
+ /*}}}*/
+
+ bool insert(pkgCache::VerIterator const &V) { if (V.end() == true) return false; _cont.insert(V); return true; };
+ template<class Cont> void insert(VersionContainer<Cont> const &vercont) { _cont.insert((typename Cont::const_iterator)vercont.begin(), (typename Cont::const_iterator)vercont.end()); };
+ void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); };
+ bool empty() const { return _cont.empty(); };
+ void clear() { return _cont.clear(); };
+ void erase(iterator position) { _cont.erase((typename Container::const_iterator)position); };
+ size_t erase(const pkgCache::PkgIterator x) { return _cont.erase(x); };
+ void erase(iterator first, iterator last) { _cont.erase(first, last); };
+ size_t size() const { return _cont.size(); };
+
+ const_iterator begin() const { return const_iterator(_cont.begin()); };
+ const_iterator end() const { return const_iterator(_cont.end()); };
+ const_iterator find(pkgCache::VerIterator const &V) const { return const_iterator(_cont.find(V)); };
+
/** \brief returns all versions specified on the commandline
Get all versions from the commandline, uses given default version if
@@ -305,26 +471,34 @@ public: /*{{{*/
\param Cache the packages and versions are in
\param cmdline Command line the versions should be extracted from
\param helper responsible for error and message handling */
- static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
- APT::VersionSet::Version const &fallback, CacheSetHelper &helper);
- static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
- APT::VersionSet::Version const &fallback) {
+ static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
+ Version const &fallback, CacheSetHelper &helper) {
+ VersionContainer vercon;
+ VersionContainerInterface::FromCommandLine(&vercon, Cache, cmdline, fallback, helper);
+ return vercon;
+ }
+ static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
+ Version const &fallback) {
CacheSetHelper helper;
return FromCommandLine(Cache, cmdline, fallback, helper);
}
- static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
+ static VersionContainer FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
return FromCommandLine(Cache, cmdline, CANDINST);
}
- static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg,
- APT::VersionSet::Version const &fallback, CacheSetHelper &helper,
- bool const &onlyFromName = false);
- static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg,
- APT::VersionSet::Version const &fallback) {
+ static VersionContainer FromString(pkgCacheFile &Cache, std::string const &pkg,
+ Version const &fallback, CacheSetHelper &helper,
+ bool const onlyFromName = false) {
+ VersionContainer vercon;
+ VersionContainerInterface::FromString(&vercon, Cache, pkg, fallback, helper);
+ return vercon;
+ }
+ static VersionContainer FromString(pkgCacheFile &Cache, std::string pkg,
+ Version const &fallback) {
CacheSetHelper helper;
return FromString(Cache, pkg, fallback, helper);
}
- static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg) {
+ static VersionContainer FromString(pkgCacheFile &Cache, std::string pkg) {
return FromString(Cache, pkg, CANDINST);
}
@@ -334,57 +508,47 @@ public: /*{{{*/
\param P the package in question
\param fallback the version(s) you want to get
\param helper the helper used for display and error handling */
- static APT::VersionSet FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P,
- VersionSet::Version const &fallback, CacheSetHelper &helper);
- static APT::VersionSet FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P,
- APT::VersionSet::Version const &fallback) {
+ static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P,
+ Version const &fallback, CacheSetHelper &helper) {
+ VersionContainer vercon;
+ VersionContainerInterface::FromPackage(&vercon, Cache, P, fallback, helper);
+ return vercon;
+ }
+ static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P,
+ Version const &fallback) {
CacheSetHelper helper;
return FromPackage(Cache, P, fallback, helper);
}
- static APT::VersionSet FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P) {
+ static VersionContainer FromPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &P) {
return FromPackage(Cache, P, CANDINST);
}
- struct Modifier {
- enum Position { NONE, PREFIX, POSTFIX };
- unsigned short ID;
- const char * const Alias;
- Position Pos;
- VersionSet::Version SelectVersion;
- Modifier (unsigned short const &id, const char * const alias, Position const &pos,
- VersionSet::Version const &select) : ID(id), Alias(alias), Pos(pos),
- SelectVersion(select) {};
- };
+ static std::map<unsigned short, VersionContainer> GroupedFromCommandLine(
+ pkgCacheFile &Cache,
+ const char **cmdline,
+ std::list<Modifier> const &mods,
+ unsigned short const fallback,
+ CacheSetHelper &helper) {
+ std::map<unsigned short, VersionContainer> versets;
+ for (const char **I = cmdline; *I != 0; ++I) {
+ unsigned short modID = fallback;
+ VersionContainer verset;
+ VersionContainerInterface::FromModifierCommandLine(modID, &verset, Cache, *I, mods, helper);
+ versets[modID].insert(verset);
+ }
+ return versets;
- static std::map<unsigned short, VersionSet> GroupedFromCommandLine(
- pkgCacheFile &Cache, const char **cmdline,
- std::list<VersionSet::Modifier> const &mods,
- unsigned short const &fallback, CacheSetHelper &helper);
- static std::map<unsigned short, VersionSet> GroupedFromCommandLine(
+ }
+ static std::map<unsigned short, VersionContainer> GroupedFromCommandLine(
pkgCacheFile &Cache, const char **cmdline,
- std::list<VersionSet::Modifier> const &mods,
- unsigned short const &fallback) {
+ std::list<Modifier> const &mods,
+ unsigned short const fallback) {
CacheSetHelper helper;
return GroupedFromCommandLine(Cache, cmdline,
mods, fallback, helper);
}
/*}}}*/
-protected: /*{{{*/
-
- /** \brief returns the candidate version of the package
-
- \param Cache to be used to query for information
- \param Pkg we want the candidate version from this package */
- static pkgCache::VerIterator getCandidateVer(pkgCacheFile &Cache,
- pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
-
- /** \brief returns the installed version of the package
-
- \param Cache to be used to query for information
- \param Pkg we want the installed version from this package */
- static pkgCache::VerIterator getInstalledVer(pkgCacheFile &Cache,
- pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
- /*}}}*/
}; /*}}}*/
+typedef VersionContainer<std::set<pkgCache::VerIterator> > VersionSet;
}
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-01 22:42:35 +0000