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-rw-r--r--cmdline/apt-cache.cc200
1 files changed, 92 insertions, 108 deletions
diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index fb4467c2c..b8892d23d 100644
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -35,6 +35,11 @@
#include <apt-pkg/indexfile.h>
#include <apt-pkg/metaindex.h>
+#include <apt-private/private-list.h>
+#include <apt-private/private-cmndline.h>
+#include <apt-private/private-show.h>
+#include <apt-private/private-cacheset.h>
+
#include <cassert>
#include <locale.h>
#include <iostream>
@@ -50,29 +55,6 @@
using namespace std;
-// CacheSetHelper saving virtual packages /*{{{*/
-class CacheSetHelperVirtuals: public APT::CacheSetHelper {
-public:
- APT::PackageSet virtualPkgs;
-
- virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
- virtualPkgs.insert(Pkg);
- return CacheSetHelper::canNotFindCandidateVer(Cache, Pkg);
- }
-
- virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
- virtualPkgs.insert(Pkg);
- return CacheSetHelper::canNotFindNewestVer(Cache, Pkg);
- }
-
- virtual void canNotFindAllVer(APT::VersionContainerInterface * vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
- virtualPkgs.insert(Pkg);
- CacheSetHelper::canNotFindAllVer(vci, Cache, Pkg);
- }
-
- CacheSetHelperVirtuals(bool const ShowErrors = true, GlobalError::MsgType const &ErrorType = GlobalError::NOTICE) : CacheSetHelper(ShowErrors, ErrorType) {}
-};
- /*}}}*/
// LocalitySort - Sort a version list by package file locality /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -396,42 +378,42 @@ bool Dump(CommandLine &Cmd)
if (unlikely(Cache == NULL))
return false;
- cout << "Using Versioning System: " << Cache->VS->Label << endl;
+ std::cout << "Using Versioning System: " << Cache->VS->Label << std::endl;
for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
{
- cout << "Package: " << P.FullName(true) << endl;
+ std::cout << "Package: " << P.FullName(true) << std::endl;
for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
{
- cout << " Version: " << V.VerStr() << endl;
- cout << " File: " << V.FileList().File().FileName() << endl;
+ std::cout << " Version: " << V.VerStr() << std::endl;
+ std::cout << " File: " << V.FileList().File().FileName() << std::endl;
for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; ++D)
- cout << " Depends: " << D.TargetPkg().FullName(true) << ' ' <<
- DeNull(D.TargetVer()) << endl;
+ std::cout << " Depends: " << D.TargetPkg().FullName(true) << ' ' <<
+ DeNull(D.TargetVer()) << std::endl;
for (pkgCache::DescIterator D = V.DescriptionList(); D.end() == false; ++D)
{
- cout << " Description Language: " << D.LanguageCode() << endl
- << " File: " << D.FileList().File().FileName() << endl
- << " MD5: " << D.md5() << endl;
+ std::cout << " Description Language: " << D.LanguageCode() << std::endl
+ << " File: " << D.FileList().File().FileName() << std::endl
+ << " MD5: " << D.md5() << std::endl;
}
}
}
for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F.end() == false; ++F)
{
- cout << "File: " << F.FileName() << endl;
- cout << " Type: " << F.IndexType() << endl;
- cout << " Size: " << F->Size << endl;
- cout << " ID: " << F->ID << endl;
- cout << " Flags: " << F->Flags << endl;
- cout << " Time: " << TimeRFC1123(F->mtime) << endl;
- cout << " Archive: " << DeNull(F.Archive()) << endl;
- cout << " Component: " << DeNull(F.Component()) << endl;
- cout << " Version: " << DeNull(F.Version()) << endl;
- cout << " Origin: " << DeNull(F.Origin()) << endl;
- cout << " Site: " << DeNull(F.Site()) << endl;
- cout << " Label: " << DeNull(F.Label()) << endl;
- cout << " Architecture: " << DeNull(F.Architecture()) << endl;
+ std::cout << "File: " << F.FileName() << std::endl;
+ std::cout << " Type: " << F.IndexType() << std::endl;
+ std::cout << " Size: " << F->Size << std::endl;
+ std::cout << " ID: " << F->ID << std::endl;
+ std::cout << " Flags: " << F->Flags << std::endl;
+ std::cout << " Time: " << TimeRFC1123(F->mtime) << std::endl;
+ std::cout << " Archive: " << DeNull(F.Archive()) << std::endl;
+ std::cout << " Component: " << DeNull(F.Component()) << std::endl;
+ std::cout << " Version: " << DeNull(F.Version()) << std::endl;
+ std::cout << " Origin: " << DeNull(F.Origin()) << std::endl;
+ std::cout << " Site: " << DeNull(F.Site()) << std::endl;
+ std::cout << " Label: " << DeNull(F.Label()) << std::endl;
+ std::cout << " Architecture: " << DeNull(F.Architecture()) << std::endl;
}
return true;
@@ -627,8 +609,7 @@ bool ShowDepends(CommandLine &CmdL, bool const RevDepends)
case pkgCache::Dep::Depends: if (!ShowDepends) continue; break;
case pkgCache::Dep::Recommends: if (!ShowRecommends) continue; break;
case pkgCache::Dep::Suggests: if (!ShowSuggests) continue; break;
- case pkgCache::Dep::Replaces: if (!ShowReplaces) continue; break;
- case pkgCache::Dep::Conflicts: if (!ShowConflicts) continue; break;
+ case pkgCache::Dep::Replaces: if (!ShowReplaces) continue; break; case pkgCache::Dep::Conflicts: if (!ShowConflicts) continue; break;
case pkgCache::Dep::DpkgBreaks: if (!ShowBreaks) continue; break;
case pkgCache::Dep::Enhances: if (!ShowEnhances) continue; break;
}
@@ -1127,6 +1108,24 @@ bool Dotty(CommandLine &CmdL)
// ---------------------------------------------------------------------
/* This displays the package record from the proper package index file.
It is not used by DumpAvail for performance reasons. */
+
+static unsigned char const* skipDescriptionFields(unsigned char const * DescP)
+{
+ char const * const TagName = "\nDescription";
+ size_t const TagLen = strlen(TagName);
+ while ((DescP = (unsigned char*)strchr((char*)DescP, '\n')) != NULL)
+ {
+ if (DescP[1] == ' ')
+ DescP += 2;
+ else if (strncmp((char*)DescP, TagName, TagLen) == 0)
+ DescP += TagLen;
+ else
+ break;
+ }
+ if (DescP != NULL)
+ ++DescP;
+ return DescP;
+}
bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V)
{
pkgCache *Cache = CacheFile.GetPkgCache();
@@ -1150,11 +1149,12 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V)
if (PkgF.Open(I.FileName(), FileFd::ReadOnly, FileFd::Extension) == false)
return false;
- // Read the record
- unsigned char *Buffer = new unsigned char[Cache->HeaderP->MaxVerFileSize+1];
- Buffer[V.FileList()->Size] = '\n';
- if (PkgF.Seek(V.FileList()->Offset) == false ||
- PkgF.Read(Buffer,V.FileList()->Size) == false)
+ // Read the record (and ensure that it ends with a newline and NUL)
+ unsigned char *Buffer = new unsigned char[Cache->HeaderP->MaxVerFileSize+2];
+ Buffer[Vf->Size] = '\n';
+ Buffer[Vf->Size+1] = '\0';
+ if (PkgF.Seek(Vf->Offset) == false ||
+ PkgF.Read(Buffer,Vf->Size) == false)
{
delete [] Buffer;
return false;
@@ -1165,10 +1165,11 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V)
if (DescP != NULL)
++DescP;
else
- DescP = Buffer + V.FileList()->Size;
+ DescP = Buffer + Vf->Size;
// Write all but Description
- if (fwrite(Buffer,1,DescP - Buffer,stdout) < (size_t)(DescP - Buffer))
+ size_t const length = DescP - Buffer;
+ if (length != 0 && FileFd::Write(STDOUT_FILENO, Buffer, length) == false)
{
delete [] Buffer;
return false;
@@ -1184,39 +1185,40 @@ bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V)
cout << std::endl << "Description-md5: " << Desc.md5() << std::endl;
// Find the first field after the description (if there is any)
- while ((DescP = (unsigned char*)strchr((char*)DescP, '\n')) != NULL)
- {
- if (DescP[1] == ' ')
- DescP += 2;
- else if (strncmp((char*)DescP, "\nDescription", strlen("\nDescription")) == 0)
- DescP += strlen("\nDescription");
- else
- break;
- }
- if (DescP != NULL)
- ++DescP;
+ DescP = skipDescriptionFields(DescP);
}
- // if we have no translation, we found a lonely Description-md5, so don't skip it
+ // else we have no translation, so we found a lonely Description-md5 -> don't skip it
- if (DescP != NULL)
+ // write the rest of the buffer, but skip mixed in Descriptions* fields
+ while (DescP != NULL)
{
- // write the rest of the buffer
- const unsigned char *end=&Buffer[V.FileList()->Size];
- if (fwrite(DescP,1,end-DescP,stdout) < (size_t)(end-DescP))
+ const unsigned char * const Start = DescP;
+ const unsigned char *End = (unsigned char*)strstr((char*)DescP, "\nDescription");
+ if (End == NULL)
+ {
+ End = &Buffer[Vf->Size];
+ DescP = NULL;
+ }
+ else
+ {
+ ++End; // get the newline into the output
+ DescP = skipDescriptionFields(End + strlen("Description"));
+ }
+ size_t const length = End - Start;
+ if (length != 0 && FileFd::Write(STDOUT_FILENO, Start, length) == false)
{
delete [] Buffer;
return false;
}
}
- // write a final newline (after the description)
+ // write a final newline after the last field
cout<<endl;
- delete [] Buffer;
+ delete [] Buffer;
return true;
}
/*}}}*/
-
struct ExDescFile
{
pkgCache::DescFile *Df;
@@ -1300,7 +1302,11 @@ bool Search(CommandLine &CmdL)
pkgCache::VerIterator V = Plcy->GetCandidateVer(P);
if (V.end() == false)
{
- DFList[G->ID].Df = V.TranslatedDescription().FileList();
+ pkgCache::DescIterator const D = V.TranslatedDescription();
+ //FIXME: packages without a description can't be found
+ if (D.end() == true)
+ continue;
+ DFList[G->ID].Df = D.FileList();
DFList[G->ID].ID = G->ID;
}
@@ -1315,7 +1321,11 @@ bool Search(CommandLine &CmdL)
continue;
unsigned long id = Prv.OwnerPkg().Group()->ID;
- DFList[id].Df = V.TranslatedDescription().FileList();
+ pkgCache::DescIterator const D = V.TranslatedDescription();
+ //FIXME: packages without a description can't be found
+ if (D.end() == true)
+ continue;
+ DFList[id].Df = D.FileList();
DFList[id].ID = id;
size_t const PrvPatternOffset = id * NumPatterns;
@@ -1765,38 +1775,10 @@ bool ShowHelp(CommandLine &Cmd)
/*}}}*/
int main(int argc,const char *argv[]) /*{{{*/
{
- CommandLine::Args Args[] = {
- {'h',"help","help",0},
- {'v',"version","version",0},
- {'p',"pkg-cache","Dir::Cache::pkgcache",CommandLine::HasArg},
- {'s',"src-cache","Dir::Cache::srcpkgcache",CommandLine::HasArg},
- {'q',"quiet","quiet",CommandLine::IntLevel},
- {'i',"important","APT::Cache::Important",0},
- {'f',"full","APT::Cache::ShowFull",0},
- {'g',"generate","APT::Cache::Generate",0},
- {'a',"all-versions","APT::Cache::AllVersions",0},
- {'n',"names-only","APT::Cache::NamesOnly",0},
- {0,"all-names","APT::Cache::AllNames",0},
- {0,"recurse","APT::Cache::RecurseDepends",0},
- {'t',"target-release","APT::Default-Release",CommandLine::HasArg},
- {'t',"default-release","APT::Default-Release",CommandLine::HasArg},
- {'c',"config-file",0,CommandLine::ConfigFile},
- {'o',"option",0,CommandLine::ArbItem},
- {0,"installed","APT::Cache::Installed",0},
- {0,"pre-depends","APT::Cache::ShowPre-Depends",0},
- {0,"depends","APT::Cache::ShowDepends",0},
- {0,"recommends","APT::Cache::ShowRecommends",0},
- {0,"suggests","APT::Cache::ShowSuggests",0},
- {0,"replaces","APT::Cache::ShowReplaces",0},
- {0,"breaks","APT::Cache::ShowBreaks",0},
- {0,"conflicts","APT::Cache::ShowConflicts",0},
- {0,"enhances","APT::Cache::ShowEnhances",0},
- {0,0,0,0}};
- CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
+ CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
{"gencaches",&GenCaches},
{"showsrc",&ShowSrcPackage},
- {0,0}};
- CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage},
+ {"showpkg",&DumpPackage},
{"stats",&Stats},
{"dump",&Dump},
{"dumpavail",&DumpAvail},
@@ -1813,12 +1795,14 @@ int main(int argc,const char *argv[]) /*{{{*/
{"madison",&Madison},
{0,0}};
+ std::vector<CommandLine::Args> Args = getCommandArgs("apt-cache", CommandLine::GetCommand(Cmds, argc, argv));
+
// Set up gettext support
setlocale(LC_ALL,"");
textdomain(PACKAGE);
// Parse the command line and initialize the package library
- CommandLine CmdL(Args,_config);
+ CommandLine CmdL(Args.data(),_config);
if (pkgInitConfig(*_config) == false ||
CmdL.Parse(argc,argv) == false ||
pkgInitSystem(*_config,_system) == false)
@@ -1842,8 +1826,8 @@ int main(int argc,const char *argv[]) /*{{{*/
if (_config->Exists("APT::Cache::Generate") == true)
_config->Set("pkgCacheFile::Generate", _config->FindB("APT::Cache::Generate", true));
- if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false)
- CmdL.DispatchArg(CmdsB);
+ // Match the operation
+ CmdL.DispatchArg(Cmds);
// Print any errors or warnings found during parsing
bool const Errors = _error->PendingError();
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 14:33:38 +0000