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-rw-r--r--apt-pkg/cacheset.h274
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diff --git a/apt-pkg/cacheset.h b/apt-pkg/cacheset.h
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-// -*- mode: cpp; mode: fold -*-
-// Description /*{{{*/
-/** \file cacheset.h
- Wrappers around std::set to have set::iterators which behave
- similar to the Iterators of the cache structures.
-
- Provides also a few helper methods which work with these sets */
- /*}}}*/
-#ifndef APT_CACHESET_H
-#define APT_CACHESET_H
-// Include Files /*{{{*/
-#include <iostream>
-#include <fstream>
-#include <list>
-#include <map>
-#include <set>
-#include <string>
-
-#include <apt-pkg/cachefile.h>
-#include <apt-pkg/pkgcache.h>
- /*}}}*/
-namespace APT {
-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 {
- 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();};
- // 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 &***this;
- };
- };
- // 103. set::iterator is required to be modifiable, but this allows modification of keys
- typedef APT::PackageSet::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); };
-
- /** \brief returns all packages in the cache whose name matchs a given pattern
-
- A simple helper responsible for executing a regular expression on all
- package names in the cache. Optional it prints a a notice about the
- packages chosen cause of the given package.
- \param Cache the packages are in
- \param pattern regular expression for package names
- \param out stream to print the notice to */
- static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string pattern, std::ostream &out);
- static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string const &pattern) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::PackageSet::FromRegEx(Cache, pattern, out);
- }
-
- /** \brief returns all packages specified by a string
-
- \param Cache the packages are in
- \param string String the package name(s) should be extracted from
- \param out stream to print various notices to */
- static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string, std::ostream &out);
- static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::PackageSet::FromString(Cache, string, out);
- }
-
- /** \brief returns all packages specified on the commandline
-
- Get all package names from the commandline and executes regex's if needed.
- No special package command is supported, just plain names.
- \param Cache the packages are in
- \param cmdline Command line the package names should be extracted from
- \param out stream to print various notices to */
- static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, std::ostream &out);
- static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::PackageSet::FromCommandLine(Cache, cmdline, out);
- }
-
- 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 std::map<unsigned short, PackageSet> GroupedFromCommandLine(
- pkgCacheFile &Cache, const char **cmdline,
- std::list<PackageSet::Modifier> const &mods,
- unsigned short const &fallback, std::ostream &out);
- static std::map<unsigned short, PackageSet> GroupedFromCommandLine(
- pkgCacheFile &Cache, const char **cmdline,
- std::list<PackageSet::Modifier> const &mods,
- unsigned short const &fallback) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::PackageSet::GroupedFromCommandLine(Cache, cmdline,
- mods, fallback, out);
- }
- /*}}}*/
-}; /*}}}*/
-class VersionSet : public std::set<pkgCache::VerIterator> { /*{{{*/
-/** \class APT::VersionSet
-
- 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: /*{{{*/
- /** \brief smell like a pkgCache::VerIterator */
- class const_iterator : public std::set<pkgCache::VerIterator>::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();};
- // 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 const char *Arch(bool const pseudo) const { return (**this).Arch(pseudo); };
- 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 string RelStr() const { return (**this).RelStr(); };
- inline bool Automatic() const { return (**this).Automatic(); };
- inline bool Pseudo() const { return (**this).Pseudo(); };
- inline pkgCache::VerFileIterator NewestFile() const { return (**this).NewestFile(); };
- };
- // 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); };
-
- /** \brief specifies which version(s) will be returned if non is given */
- enum Version {
- /** All versions */
- ALL,
- /** Candidate and installed version */
- CANDANDINST,
- /** Candidate version */
- CANDIDATE,
- /** Installed version */
- INSTALLED,
- /** Candidate or if non installed version */
- CANDINST,
- /** Installed or if non candidate version */
- INSTCAND,
- /** Newest version */
- NEWEST
- };
-
- /** \brief returns all versions specified on the commandline
-
- Get all versions from the commandline, uses given default version if
- non specifically requested and executes regex's if needed on names.
- \param Cache the packages and versions are in
- \param cmdline Command line the versions should be extracted from
- \param out stream to print various notices to */
- static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
- APT::VersionSet::Version const &fallback, std::ostream &out);
- static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
- APT::VersionSet::Version const &fallback) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::VersionSet::FromCommandLine(Cache, cmdline, fallback, out);
- }
- static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
- return APT::VersionSet::FromCommandLine(Cache, cmdline, CANDINST);
- }
-
- static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg,
- APT::VersionSet::Version const &fallback, std::ostream &out);
- static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg,
- APT::VersionSet::Version const &fallback) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::VersionSet::FromString(Cache, pkg, fallback, out);
- }
- static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg) {
- return APT::VersionSet::FromString(Cache, pkg, 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, VersionSet> GroupedFromCommandLine(
- pkgCacheFile &Cache, const char **cmdline,
- std::list<VersionSet::Modifier> const &mods,
- unsigned short const &fallback, std::ostream &out);
- static std::map<unsigned short, VersionSet> GroupedFromCommandLine(
- pkgCacheFile &Cache, const char **cmdline,
- std::list<VersionSet::Modifier> const &mods,
- unsigned short const &fallback) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::VersionSet::GroupedFromCommandLine(Cache, cmdline,
- mods, fallback, out);
- }
- /*}}}*/
-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
- \param AllowError add an error to the stack if not */
- static pkgCache::VerIterator getCandidateVer(pkgCacheFile &Cache,
- pkgCache::PkgIterator const &Pkg, bool const &AllowError = false);
-
- /** \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
- \param AllowError add an error to the stack if not */
- static pkgCache::VerIterator getInstalledVer(pkgCacheFile &Cache,
- pkgCache::PkgIterator const &Pkg, bool const &AllowError = false);
-
-
- static bool AddSelectedVersion(pkgCacheFile &Cache, VersionSet &verset,
- pkgCache::PkgIterator const &P, VersionSet::Version const &fallback,
- bool const &AllowError = false);
-
- /*}}}*/
-}; /*}}}*/
-}
-#endif