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-rw-r--r--apt-private/private-output.cc751
1 files changed, 751 insertions, 0 deletions
diff --git a/apt-private/private-output.cc b/apt-private/private-output.cc
new file mode 100644
index 000000000..6fadf7274
--- /dev/null
+++ b/apt-private/private-output.cc
@@ -0,0 +1,751 @@
+// Include files /*{{{*/
+#include<config.h>
+
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/policy.h>
+
+#include <iomanip>
+#include <iostream>
+#include <locale.h>
+#include <langinfo.h>
+#include <unistd.h>
+
+#include "private-output.h"
+#include "private-cachefile.h"
+
+#include <apti18n.h>
+ /*}}}*/
+
+using namespace std;
+
+std::ostream c0out(0);
+std::ostream c1out(0);
+std::ostream c2out(0);
+std::ofstream devnull("/dev/null");
+unsigned int ScreenWidth = 80 - 1; /* - 1 for the cursor */
+
+bool InitOutput() /*{{{*/
+{
+ c0out.rdbuf(cout.rdbuf());
+ c1out.rdbuf(cout.rdbuf());
+ c2out.rdbuf(cout.rdbuf());
+ if (_config->FindI("quiet",0) > 0)
+ c0out.rdbuf(devnull.rdbuf());
+ if (_config->FindI("quiet",0) > 1)
+ c1out.rdbuf(devnull.rdbuf());
+
+ if(!isatty(1))
+ {
+ _config->Set("APT::Color", "false");
+ _config->Set("APT::Color::Highlight", "");
+ _config->Set("APT::Color::Neutral", "");
+ } else {
+ // Colors
+ _config->CndSet("APT::Color::Highlight", "\x1B[32m");
+ _config->CndSet("APT::Color::Neutral", "\x1B[0m");
+
+ _config->CndSet("APT::Color::Red", "\x1B[31m");
+ _config->CndSet("APT::Color::Green", "\x1B[32m");
+ _config->CndSet("APT::Color::Yellow", "\x1B[33m");
+ _config->CndSet("APT::Color::Blue", "\x1B[34m");
+ _config->CndSet("APT::Color::Magenta", "\x1B[35m");
+ _config->CndSet("APT::Color::Cyan", "\x1B[36m");
+ _config->CndSet("APT::Color::White", "\x1B[37m");
+ }
+
+ return true;
+}
+ /*}}}*/
+std::string GetArchiveSuite(pkgCacheFile &CacheFile, pkgCache::VerIterator ver) /*{{{*/
+{
+ std::string suite = "";
+ if (ver && ver.FileList() && ver.FileList())
+ {
+ pkgCache::VerFileIterator VF = ver.FileList();
+ for (; VF.end() == false ; ++VF)
+ {
+ // XXX: how to figure out the relevant suite? if its in multiple ones?
+ suite = suite + "," + VF.File().Archive();
+ //suite = VF.File().Archive();
+ }
+ suite = suite.erase(0, 1);
+ }
+ return suite;
+}
+ /*}}}*/
+std::string GetFlagsStr(pkgCacheFile &CacheFile, pkgCache::PkgIterator P)/*{{{*/
+{
+ pkgDepCache *DepCache = CacheFile.GetDepCache();
+ pkgDepCache::StateCache &state = (*DepCache)[P];
+
+ std::string flags_str;
+ if (state.NowBroken())
+ flags_str = "B";
+ if (P.CurrentVer() && state.Upgradable())
+ flags_str = "g";
+ else if (P.CurrentVer() != NULL)
+ flags_str = "i";
+ else
+ flags_str = "-";
+ return flags_str;
+}
+ /*}}}*/
+std::string GetCandidateVersion(pkgCacheFile &CacheFile, pkgCache::PkgIterator P)/*{{{*/
+{
+ pkgPolicy *policy = CacheFile.GetPolicy();
+ pkgCache::VerIterator cand = policy->GetCandidateVer(P);
+
+ return cand ? cand.VerStr() : "(none)";
+}
+ /*}}}*/
+std::string GetInstalledVersion(pkgCacheFile &CacheFile, pkgCache::PkgIterator P)/*{{{*/
+{
+ pkgCache::VerIterator inst = P.CurrentVer();
+
+ return inst ? inst.VerStr() : "(none)";
+}
+ /*}}}*/
+std::string GetVersion(pkgCacheFile &CacheFile, pkgCache::VerIterator V)/*{{{*/
+{
+ pkgCache::PkgIterator P = V.ParentPkg();
+ if (V == P.CurrentVer())
+ {
+ pkgDepCache *DepCache = CacheFile.GetDepCache();
+ pkgDepCache::StateCache &state = (*DepCache)[P];
+ std::string inst_str = DeNull(V.VerStr());
+ if (state.Upgradable())
+ return "**"+inst_str;
+ return inst_str;
+ }
+
+ if(V)
+ return DeNull(V.VerStr());
+ return "(none)";
+}
+ /*}}}*/
+std::string GetArchitecture(pkgCacheFile &CacheFile, pkgCache::PkgIterator P)/*{{{*/
+{
+ pkgPolicy *policy = CacheFile.GetPolicy();
+ pkgCache::VerIterator inst = P.CurrentVer();
+ pkgCache::VerIterator cand = policy->GetCandidateVer(P);
+
+ return inst ? inst.Arch() : cand.Arch();
+}
+ /*}}}*/
+std::string GetShortDescription(pkgCacheFile &CacheFile, pkgRecords &records, pkgCache::PkgIterator P)/*{{{*/
+{
+ pkgPolicy *policy = CacheFile.GetPolicy();
+
+ pkgCache::VerIterator ver;
+ if (P.CurrentVer())
+ ver = P.CurrentVer();
+ else
+ ver = policy->GetCandidateVer(P);
+
+ std::string ShortDescription = "(none)";
+ if(ver)
+ {
+ pkgCache::DescIterator Desc = ver.TranslatedDescription();
+ pkgRecords::Parser & parser = records.Lookup(Desc.FileList());
+
+ ShortDescription = parser.ShortDesc();
+ }
+ return ShortDescription;
+}
+ /*}}}*/
+void ListSingleVersion(pkgCacheFile &CacheFile, pkgRecords &records, /*{{{*/
+ pkgCache::VerIterator V, std::ostream &out)
+{
+ pkgCache::PkgIterator P = V.ParentPkg();
+
+ pkgDepCache *DepCache = CacheFile.GetDepCache();
+ pkgDepCache::StateCache &state = (*DepCache)[P];
+
+ std::string suite = GetArchiveSuite(CacheFile, V);
+ std::string name_str = P.Name();
+
+ if (_config->FindB("APT::Cmd::use-format", false))
+ {
+ std::string format = _config->Find("APT::Cmd::format", "${db::Status-Abbrev} ${Package} ${Version} ${Origin} ${Description}");
+ std::string output = format;
+
+ output = SubstVar(output, "${db::Status-Abbrev}", GetFlagsStr(CacheFile, P));
+ output = SubstVar(output, "${Package}", name_str);
+ output = SubstVar(output, "${installed:Version}", GetInstalledVersion(CacheFile, P));
+ output = SubstVar(output, "${candidate:Version}", GetCandidateVersion(CacheFile, P));
+ output = SubstVar(output, "${Version}", GetVersion(CacheFile, V));
+ output = SubstVar(output, "${Description}", GetShortDescription(CacheFile, records, P));
+ output = SubstVar(output, "${Origin}", GetArchiveSuite(CacheFile, V));
+ out << output << std::endl;
+ } else {
+ // raring/linux-kernel version [upradable: new-version]
+ // description
+ pkgPolicy *policy = CacheFile.GetPolicy();
+ out << std::setiosflags(std::ios::left)
+ << _config->Find("APT::Color::Highlight", "")
+ << name_str
+ << _config->Find("APT::Color::Neutral", "")
+ << "/" << suite
+ << " ";
+ if(P.CurrentVer() == V && state.Upgradable()) {
+ out << GetVersion(CacheFile, V)
+ << " "
+ << "[" << _("installed,upgradable to: ")
+ << GetCandidateVersion(CacheFile, P) << "]";
+ } else if (P.CurrentVer() == V) {
+ out << GetVersion(CacheFile, V)
+ << " ";
+ if(!V.Downloadable())
+ out << _("[installed,local]");
+ else
+ if(V.Automatic() && state.Garbage)
+ out << _("[installed,auto-removable]");
+ else if (state.Flags & pkgCache::Flag::Auto)
+ out << _("[installed,automatic]");
+ else
+ out << _("[installed]");
+ } else if (P.CurrentVer() &&
+ policy->GetCandidateVer(P) == V &&
+ state.Upgradable()) {
+ out << GetVersion(CacheFile, V)
+ << " "
+ << _("[upgradable from: ")
+ << GetInstalledVersion(CacheFile, P) << "]";
+ } else {
+ if (V.ParentPkg()->CurrentState == pkgCache::State::ConfigFiles)
+ out << GetVersion(CacheFile, V)
+ << " "
+ << _("[residual-config]");
+ else
+ out << GetVersion(CacheFile, V);
+ }
+ out << " " << GetArchitecture(CacheFile, P) << " ";
+ out << std::endl
+ << " " << GetShortDescription(CacheFile, records, P)
+ << std::endl;
+ }
+}
+ /*}}}*/
+// ShowList - Show a list /*{{{*/
+// ---------------------------------------------------------------------
+/* This prints out a string of space separated words with a title and
+ a two space indent line wraped to the current screen width. */
+bool ShowList(ostream &out,string Title,string List,string VersionsList)
+{
+ if (List.empty() == true)
+ return true;
+ // trim trailing space
+ int NonSpace = List.find_last_not_of(' ');
+ if (NonSpace != -1)
+ {
+ List = List.erase(NonSpace + 1);
+ if (List.empty() == true)
+ return true;
+ }
+
+ // Acount for the leading space
+ int ScreenWidth = ::ScreenWidth - 3;
+
+ out << Title << endl;
+ string::size_type Start = 0;
+ string::size_type VersionsStart = 0;
+ while (Start < List.size())
+ {
+ if(_config->FindB("APT::Get::Show-Versions",false) == true &&
+ VersionsList.size() > 0) {
+ string::size_type End;
+ string::size_type VersionsEnd;
+
+ End = List.find(' ',Start);
+ VersionsEnd = VersionsList.find('\n', VersionsStart);
+
+ out << " " << string(List,Start,End - Start) << " (" <<
+ string(VersionsList,VersionsStart,VersionsEnd - VersionsStart) <<
+ ")" << endl;
+
+ if (End == string::npos || End < Start)
+ End = Start + ScreenWidth;
+
+ Start = End + 1;
+ VersionsStart = VersionsEnd + 1;
+ } else {
+ string::size_type End;
+
+ if (Start + ScreenWidth >= List.size())
+ End = List.size();
+ else
+ End = List.rfind(' ',Start+ScreenWidth);
+
+ if (End == string::npos || End < Start)
+ End = Start + ScreenWidth;
+ out << " " << string(List,Start,End - Start) << endl;
+ Start = End + 1;
+ }
+ }
+
+ return false;
+}
+ /*}}}*/
+// ShowBroken - Debugging aide /*{{{*/
+// ---------------------------------------------------------------------
+/* This prints out the names of all the packages that are broken along
+ with the name of each each broken dependency and a quite version
+ description.
+
+ The output looks like:
+ The following packages have unmet dependencies:
+ exim: Depends: libc6 (>= 2.1.94) but 2.1.3-10 is to be installed
+ Depends: libldap2 (>= 2.0.2-2) but it is not going to be installed
+ Depends: libsasl7 but it is not going to be installed
+ */
+void ShowBroken(ostream &out,CacheFile &Cache,bool Now)
+{
+ if (Cache->BrokenCount() == 0)
+ return;
+
+ out << _("The following packages have unmet dependencies:") << endl;
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+ {
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+
+ if (Now == true)
+ {
+ if (Cache[I].NowBroken() == false)
+ continue;
+ }
+ else
+ {
+ if (Cache[I].InstBroken() == false)
+ continue;
+ }
+
+ // Print out each package and the failed dependencies
+ out << " " << I.FullName(true) << " :";
+ unsigned const Indent = I.FullName(true).size() + 3;
+ bool First = true;
+ pkgCache::VerIterator Ver;
+
+ if (Now == true)
+ Ver = I.CurrentVer();
+ else
+ Ver = Cache[I].InstVerIter(Cache);
+
+ if (Ver.end() == true)
+ {
+ out << endl;
+ continue;
+ }
+
+ for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false;)
+ {
+ // Compute a single dependency element (glob or)
+ pkgCache::DepIterator Start;
+ pkgCache::DepIterator End;
+ D.GlobOr(Start,End); // advances D
+
+ if (Cache->IsImportantDep(End) == false)
+ continue;
+
+ if (Now == true)
+ {
+ if ((Cache[End] & pkgDepCache::DepGNow) == pkgDepCache::DepGNow)
+ continue;
+ }
+ else
+ {
+ if ((Cache[End] & pkgDepCache::DepGInstall) == pkgDepCache::DepGInstall)
+ continue;
+ }
+
+ bool FirstOr = true;
+ while (1)
+ {
+ if (First == false)
+ for (unsigned J = 0; J != Indent; J++)
+ out << ' ';
+ First = false;
+
+ if (FirstOr == false)
+ {
+ for (unsigned J = 0; J != strlen(End.DepType()) + 3; J++)
+ out << ' ';
+ }
+ else
+ out << ' ' << End.DepType() << ": ";
+ FirstOr = false;
+
+ out << Start.TargetPkg().FullName(true);
+
+ // Show a quick summary of the version requirements
+ if (Start.TargetVer() != 0)
+ out << " (" << Start.CompType() << " " << Start.TargetVer() << ")";
+
+ /* Show a summary of the target package if possible. In the case
+ of virtual packages we show nothing */
+ pkgCache::PkgIterator Targ = Start.TargetPkg();
+ if (Targ->ProvidesList == 0)
+ {
+ out << ' ';
+ pkgCache::VerIterator Ver = Cache[Targ].InstVerIter(Cache);
+ if (Now == true)
+ Ver = Targ.CurrentVer();
+
+ if (Ver.end() == false)
+ {
+ if (Now == true)
+ ioprintf(out,_("but %s is installed"),Ver.VerStr());
+ else
+ ioprintf(out,_("but %s is to be installed"),Ver.VerStr());
+ }
+ else
+ {
+ if (Cache[Targ].CandidateVerIter(Cache).end() == true)
+ {
+ if (Targ->ProvidesList == 0)
+ out << _("but it is not installable");
+ else
+ out << _("but it is a virtual package");
+ }
+ else
+ out << (Now?_("but it is not installed"):_("but it is not going to be installed"));
+ }
+ }
+
+ if (Start != End)
+ out << _(" or");
+ out << endl;
+
+ if (Start == End)
+ break;
+ ++Start;
+ }
+ }
+ }
+}
+ /*}}}*/
+// ShowNew - Show packages to newly install /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void ShowNew(ostream &out,CacheFile &Cache)
+{
+ /* Print out a list of packages that are going to be installed extra
+ to what the user asked */
+ string List;
+ string VersionsList;
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+ {
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+ if (Cache[I].NewInstall() == true) {
+ List += I.FullName(true) + " ";
+ VersionsList += string(Cache[I].CandVersion) + "\n";
+ }
+ }
+
+ ShowList(out,_("The following NEW packages will be installed:"),List,VersionsList);
+}
+ /*}}}*/
+// ShowDel - Show packages to delete /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void ShowDel(ostream &out,CacheFile &Cache)
+{
+ /* Print out a list of packages that are going to be removed extra
+ to what the user asked */
+ string List;
+ string VersionsList;
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+ {
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+ if (Cache[I].Delete() == true)
+ {
+ if ((Cache[I].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge)
+ List += I.FullName(true) + "* ";
+ else
+ List += I.FullName(true) + " ";
+
+ VersionsList += string(Cache[I].CandVersion)+ "\n";
+ }
+ }
+
+ ShowList(out,_("The following packages will be REMOVED:"),List,VersionsList);
+}
+ /*}}}*/
+// ShowKept - Show kept packages /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void ShowKept(ostream &out,CacheFile &Cache)
+{
+ string List;
+ string VersionsList;
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+ {
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+
+ // Not interesting
+ if (Cache[I].Upgrade() == true || Cache[I].Upgradable() == false ||
+ I->CurrentVer == 0 || Cache[I].Delete() == true)
+ continue;
+
+ List += I.FullName(true) + " ";
+ VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
+ }
+ ShowList(out,_("The following packages have been kept back:"),List,VersionsList);
+}
+ /*}}}*/
+// ShowUpgraded - Show upgraded packages /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void ShowUpgraded(ostream &out,CacheFile &Cache)
+{
+ string List;
+ string VersionsList;
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+ {
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+
+ // Not interesting
+ if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true)
+ continue;
+
+ List += I.FullName(true) + " ";
+ VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
+ }
+ ShowList(out,_("The following packages will be upgraded:"),List,VersionsList);
+}
+ /*}}}*/
+// ShowDowngraded - Show downgraded packages /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowDowngraded(ostream &out,CacheFile &Cache)
+{
+ string List;
+ string VersionsList;
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+ {
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+
+ // Not interesting
+ if (Cache[I].Downgrade() == false || Cache[I].NewInstall() == true)
+ continue;
+
+ List += I.FullName(true) + " ";
+ VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
+ }
+ return ShowList(out,_("The following packages will be DOWNGRADED:"),List,VersionsList);
+}
+ /*}}}*/
+// ShowHold - Show held but changed packages /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowHold(ostream &out,CacheFile &Cache)
+{
+ string List;
+ string VersionsList;
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+ {
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+ if (Cache[I].InstallVer != (pkgCache::Version *)I.CurrentVer() &&
+ I->SelectedState == pkgCache::State::Hold) {
+ List += I.FullName(true) + " ";
+ VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
+ }
+ }
+
+ return ShowList(out,_("The following held packages will be changed:"),List,VersionsList);
+}
+ /*}}}*/
+// ShowEssential - Show an essential package warning /*{{{*/
+// ---------------------------------------------------------------------
+/* This prints out a warning message that is not to be ignored. It shows
+ all essential packages and their dependents that are to be removed.
+ It is insanely risky to remove the dependents of an essential package! */
+bool ShowEssential(ostream &out,CacheFile &Cache)
+{
+ string List;
+ string VersionsList;
+ bool *Added = new bool[Cache->Head().PackageCount];
+ for (unsigned int I = 0; I != Cache->Head().PackageCount; I++)
+ Added[I] = false;
+
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+ {
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+ if ((I->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential &&
+ (I->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important)
+ continue;
+
+ // The essential package is being removed
+ if (Cache[I].Delete() == true)
+ {
+ if (Added[I->ID] == false)
+ {
+ Added[I->ID] = true;
+ List += I.FullName(true) + " ";
+ //VersionsList += string(Cache[I].CurVersion) + "\n"; ???
+ }
+ }
+ else
+ continue;
+
+ if (I->CurrentVer == 0)
+ continue;
+
+ // Print out any essential package depenendents that are to be removed
+ for (pkgCache::DepIterator D = I.CurrentVer().DependsList(); D.end() == false; ++D)
+ {
+ // Skip everything but depends
+ if (D->Type != pkgCache::Dep::PreDepends &&
+ D->Type != pkgCache::Dep::Depends)
+ continue;
+
+ pkgCache::PkgIterator P = D.SmartTargetPkg();
+ if (Cache[P].Delete() == true)
+ {
+ if (Added[P->ID] == true)
+ continue;
+ Added[P->ID] = true;
+
+ char S[300];
+ snprintf(S,sizeof(S),_("%s (due to %s) "),P.FullName(true).c_str(),I.FullName(true).c_str());
+ List += S;
+ //VersionsList += "\n"; ???
+ }
+ }
+ }
+
+ delete [] Added;
+ return ShowList(out,_("WARNING: The following essential packages will be removed.\n"
+ "This should NOT be done unless you know exactly what you are doing!"),List,VersionsList);
+}
+
+ /*}}}*/
+// Stats - Show some statistics /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void Stats(ostream &out,pkgDepCache &Dep)
+{
+ unsigned long Upgrade = 0;
+ unsigned long Downgrade = 0;
+ unsigned long Install = 0;
+ unsigned long ReInstall = 0;
+ for (pkgCache::PkgIterator I = Dep.PkgBegin(); I.end() == false; ++I)
+ {
+ if (Dep[I].NewInstall() == true)
+ Install++;
+ else
+ {
+ if (Dep[I].Upgrade() == true)
+ Upgrade++;
+ else
+ if (Dep[I].Downgrade() == true)
+ Downgrade++;
+ }
+
+ if (Dep[I].Delete() == false && (Dep[I].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
+ ReInstall++;
+ }
+
+ ioprintf(out,_("%lu upgraded, %lu newly installed, "),
+ Upgrade,Install);
+
+ if (ReInstall != 0)
+ ioprintf(out,_("%lu reinstalled, "),ReInstall);
+ if (Downgrade != 0)
+ ioprintf(out,_("%lu downgraded, "),Downgrade);
+
+ ioprintf(out,_("%lu to remove and %lu not upgraded.\n"),
+ Dep.DelCount(),Dep.KeepCount());
+
+ if (Dep.BadCount() != 0)
+ ioprintf(out,_("%lu not fully installed or removed.\n"),
+ Dep.BadCount());
+}
+ /*}}}*/
+// YnPrompt - Yes No Prompt. /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns true on a Yes.*/
+bool YnPrompt(bool Default)
+{
+ /* nl_langinfo does not support LANGUAGE setting, so we unset it here
+ to have the help-message (hopefully) match the expected characters */
+ char * language = getenv("LANGUAGE");
+ if (language != NULL)
+ language = strdup(language);
+ if (language != NULL)
+ unsetenv("LANGUAGE");
+
+ if (Default == true)
+ // TRANSLATOR: Yes/No question help-text: defaulting to Y[es]
+ // e.g. "Do you want to continue? [Y/n] "
+ // The user has to answer with an input matching the
+ // YESEXPR/NOEXPR defined in your l10n.
+ c2out << " " << _("[Y/n]") << " " << std::flush;
+ else
+ // TRANSLATOR: Yes/No question help-text: defaulting to N[o]
+ // e.g. "Should this file be removed? [y/N] "
+ // The user has to answer with an input matching the
+ // YESEXPR/NOEXPR defined in your l10n.
+ c2out << " " << _("[y/N]") << " " << std::flush;
+
+ if (language != NULL)
+ {
+ setenv("LANGUAGE", language, 0);
+ free(language);
+ }
+
+ if (_config->FindB("APT::Get::Assume-Yes",false) == true)
+ {
+ // TRANSLATOR: "Yes" answer printed for a yes/no question if --assume-yes is set
+ c1out << _("Y") << std::endl;
+ return true;
+ }
+ else if (_config->FindB("APT::Get::Assume-No",false) == true)
+ {
+ // TRANSLATOR: "No" answer printed for a yes/no question if --assume-no is set
+ c1out << _("N") << std::endl;
+ return false;
+ }
+
+ char response[1024] = "";
+ std::cin.getline(response, sizeof(response));
+
+ if (!std::cin)
+ return false;
+
+ if (strlen(response) == 0)
+ return Default;
+
+ regex_t Pattern;
+ int Res;
+
+ Res = regcomp(&Pattern, nl_langinfo(YESEXPR),
+ REG_EXTENDED|REG_ICASE|REG_NOSUB);
+
+ if (Res != 0) {
+ char Error[300];
+ regerror(Res,&Pattern,Error,sizeof(Error));
+ return _error->Error(_("Regex compilation error - %s"),Error);
+ }
+
+ Res = regexec(&Pattern, response, 0, NULL, 0);
+ if (Res == 0)
+ return true;
+ return false;
+}
+ /*}}}*/
+// AnalPrompt - Annoying Yes No Prompt. /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns true on a Yes.*/
+bool AnalPrompt(const char *Text)
+{
+ char Buf[1024];
+ std::cin.getline(Buf,sizeof(Buf));
+ if (strcmp(Buf,Text) == 0)
+ return true;
+ return false;
+}
+ /*}}}*/