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-rw-r--r--apt-private/private-cacheset.h121
1 files changed, 121 insertions, 0 deletions
diff --git a/apt-private/private-cacheset.h b/apt-private/private-cacheset.h
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+++ b/apt-private/private-cacheset.h
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+#ifndef APT_PRIVATE_CACHESET_H
+#define APT_PRIVATE_CACHESET_H
+
+#include <apt-pkg/cacheset.h>
+#include <apt-pkg/macros.h>
+
+#include <apt-private/private-output.h>
+
+#include <vector>
+#include <list>
+#include <set>
+#include <string>
+
+class OpProgress;
+
+class VerIteratorWithCaching
+{
+ const pkgCache::VerIterator iter;
+ const pkgCache::DescFile * descFile;
+public:
+ VerIteratorWithCaching(const pkgCache::VerIterator& iter) :
+ iter(iter),
+ descFile(iter->DescriptionList != 0
+ ? (const pkgCache::DescFile *) iter.TranslatedDescription().FileList()
+ : nullptr)
+ {}
+ const pkgCache::DescFile * CachedDescFile() const { return descFile; }
+ operator pkgCache::VerIterator() const { return iter; }
+};
+
+struct VersionSortDescriptionLocality /*{{{*/
+{
+ bool operator () (const VerIteratorWithCaching &v_lhs,
+ const VerIteratorWithCaching &v_rhs)
+ {
+ pkgCache::DescFile const *A = v_lhs.CachedDescFile();
+ pkgCache::DescFile const *B = v_rhs.CachedDescFile();
+
+ if (A == nullptr && B == nullptr)
+ return false;
+
+ if (A == nullptr)
+ return true;
+
+ if (B == nullptr)
+ return false;
+
+ if (A->File == B->File)
+ return A->Offset < B->Offset;
+
+ return A->File < B->File;
+ }
+};
+ /*}}}*/
+// sorted by locality which makes iterating much faster
+typedef APT::VersionContainer<
+ std::set<VerIteratorWithCaching,
+ VersionSortDescriptionLocality> > LocalitySortedVersionSet;
+
+class Matcher {
+public:
+ virtual bool operator () (const pkgCache::PkgIterator &/*P*/) {
+ return true;}
+};
+
+// FIXME: add default argument for OpProgress (or overloaded function)
+bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile,
+ APT::VersionContainerInterface * const vci,
+ Matcher &matcher,
+ OpProgress * const progress);
+bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile,
+ APT::VersionContainerInterface * const vci,
+ OpProgress * const progress);
+
+
+// CacheSetHelper saving virtual packages /*{{{*/
+class CacheSetHelperVirtuals: public APT::CacheSetHelper {
+public:
+ APT::PackageSet virtualPkgs;
+
+ virtual pkgCache::VerIterator canNotGetVersion(enum CacheSetHelper::VerSelector const select, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
+ virtual void canNotFindVersion(enum CacheSetHelper::VerSelector const select, APT::VersionContainerInterface * vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
+ virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str) APT_OVERRIDE;
+
+ CacheSetHelperVirtuals(bool const ShowErrors = true, GlobalError::MsgType const &ErrorType = GlobalError::NOTICE);
+};
+ /*}}}*/
+
+// CacheSetHelperAPTGet - responsible for message telling from the CacheSets/*{{{*/
+class CacheSetHelperAPTGet : public APT::CacheSetHelper {
+ /** \brief stream message should be printed to */
+ std::ostream &out;
+ /** \brief were things like Task or RegEx used to select packages? */
+ bool explicitlyNamed;
+
+ APT::PackageSet virtualPkgs;
+
+public:
+ std::list<std::pair<pkgCache::VerIterator, std::string> > selectedByRelease;
+
+ explicit CacheSetHelperAPTGet(std::ostream &out);
+
+ virtual void showTaskSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
+ virtual void showFnmatchSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
+ virtual void showRegExSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) APT_OVERRIDE;
+ virtual void showSelectedVersion(pkgCache::PkgIterator const &/*Pkg*/, pkgCache::VerIterator const Ver,
+ std::string const &ver, bool const /*verIsRel*/) APT_OVERRIDE;
+ bool showVirtualPackageErrors(pkgCacheFile &Cache);
+
+ virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
+ virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) APT_OVERRIDE;
+ virtual pkgCache::PkgIterator canNotFindPkgName(pkgCacheFile &Cache, std::string const &str) APT_OVERRIDE;
+
+ APT::VersionSet tryVirtualPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg,
+ CacheSetHelper::VerSelector const select);
+
+ inline bool allPkgNamedExplicitly() const { return explicitlyNamed; }
+};
+ /*}}}*/
+
+#endif