diff options
Diffstat (limited to 'apt-private/private-output.h')
-rw-r--r-- | apt-private/private-output.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/apt-private/private-output.h b/apt-private/private-output.h new file mode 100644 index 0000000..c3e73d5 --- /dev/null +++ b/apt-private/private-output.h @@ -0,0 +1,117 @@ +#ifndef APT_PRIVATE_OUTPUT_H +#define APT_PRIVATE_OUTPUT_H + +#include <apt-pkg/cacheset.h> +#include <apt-pkg/configuration.h> +#include <apt-pkg/macros.h> +#include <apt-pkg/pkgcache.h> + +#include <fstream> +#include <functional> +#include <iostream> +#include <string> + +// forward declaration +class pkgCacheFile; +class CacheFile; +class pkgDepCache; +class pkgRecords; + + +APT_PUBLIC extern std::ostream c0out; +APT_PUBLIC extern std::ostream c1out; +APT_PUBLIC extern std::ostream c2out; +APT_PUBLIC extern std::ofstream devnull; +APT_PUBLIC extern unsigned int ScreenWidth; + +APT_PUBLIC bool InitOutput(std::basic_streambuf<char> * const out = std::cout.rdbuf()); + +void ListSingleVersion(pkgCacheFile &CacheFile, pkgRecords &records, + pkgCache::VerIterator const &V, std::ostream &out, + std::string const &format); + + +// helper to describe global state +APT_PUBLIC void ShowBroken(std::ostream &out, CacheFile &Cache, bool const Now); +APT_PUBLIC void ShowBroken(std::ostream &out, pkgCacheFile &Cache, bool const Now); + +template<class Container, class PredicateC, class DisplayP, class DisplayV> bool ShowList(std::ostream &out, std::string const &Title, + Container const &cont, + PredicateC Predicate, + DisplayP PkgDisplay, + DisplayV VerboseDisplay) +{ + size_t const ScreenWidth = (::ScreenWidth > 3) ? ::ScreenWidth - 3 : 0; + int ScreenUsed = 0; + bool const ShowVersions = _config->FindB("APT::Get::Show-Versions", false); + bool printedTitle = false; + + for (auto const &Pkg: cont) + { + if (Predicate(Pkg) == false) + continue; + + if (printedTitle == false) + { + out << Title; + printedTitle = true; + } + + if (ShowVersions == true) + { + out << std::endl << " " << PkgDisplay(Pkg); + std::string const verbose = VerboseDisplay(Pkg); + if (verbose.empty() == false) + out << " (" << verbose << ")"; + } + else + { + std::string const PkgName = PkgDisplay(Pkg); + if (ScreenUsed == 0 || (ScreenUsed + PkgName.length()) >= ScreenWidth) + { + out << std::endl << " "; + ScreenUsed = 0; + } + else if (ScreenUsed != 0) + { + out << " "; + ++ScreenUsed; + } + out << PkgName; + ScreenUsed += PkgName.length(); + } + } + + if (printedTitle == true) + { + out << std::endl; + return false; + } + return true; +} + +void ShowNew(std::ostream &out,CacheFile &Cache); +void ShowDel(std::ostream &out,CacheFile &Cache); +void ShowKept(std::ostream &out,CacheFile &Cache, APT::PackageVector const &HeldBackPackages); +void ShowPhasing(std::ostream &out, CacheFile &Cache, APT::PackageVector const &HeldBackPackages); +void ShowUpgraded(std::ostream &out,CacheFile &Cache); +bool ShowDowngraded(std::ostream &out,CacheFile &Cache); +bool ShowHold(std::ostream &out,CacheFile &Cache); + +bool ShowEssential(std::ostream &out,CacheFile &Cache); + +void Stats(std::ostream &out, pkgDepCache &Dep, APT::PackageVector const &HeldBackPackages); + +// prompting +APT_PUBLIC bool YnPrompt(char const *const Question, bool Default = true); +bool YnPrompt(char const * const Question, bool const Default, bool const ShowGlobalErrors, std::ostream &c1o, std::ostream &c2o); + +APT_PUBLIC std::string PrettyFullName(pkgCache::PkgIterator const &Pkg); +std::string CandidateVersion(pkgCacheFile * const Cache, pkgCache::PkgIterator const &Pkg); +std::function<std::string(pkgCache::PkgIterator const &)> CandidateVersion(pkgCacheFile * const Cache); +std::string CurrentToCandidateVersion(pkgCacheFile * const Cache, pkgCache::PkgIterator const &Pkg); +std::function<std::string(pkgCache::PkgIterator const &)> CurrentToCandidateVersion(pkgCacheFile * const Cache); +std::string EmptyString(pkgCache::PkgIterator const &); +bool AlwaysTrue(pkgCache::PkgIterator const &); + +#endif |