1 files changed, 115 insertions, 0 deletions
diff --git a/apt-private/private-output.h b/apt-private/private-output.h
new file mode 100644
index 000000000..bb9428d7f
--- /dev/null
+++ b/apt-private/private-output.h
@@ -0,0 +1,115 @@
+#ifndef APT_PRIVATE_OUTPUT_H
+#define APT_PRIVATE_OUTPUT_H
+
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/macros.h>
+
+#include <functional>
+#include <fstream>
+#include <string>
+#include <iostream>
+
+// 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);
+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);
+
+// prompting
+bool YnPrompt(char const * const Question, bool Default=true);
+bool AnalPrompt(std::string const &Question, const char *Text);
+
+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