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authorArch Librarian <arch@canonical.com>2004-09-20 16:50:51 +0000
committerArch Librarian <arch@canonical.com>2004-09-20 16:50:51 +0000
commitad00ae81eb9e1f5384f8fe32879d483c72bbdace (patch)
tree90dc3818bc981902022cf43d1f44dc0c1fd2a45c /cmdline/apt-cache.cc
parent8efa2a3ba4ae833415223a888e4561e57e4bf132 (diff)
DumpAvail works and apt-cache is complete
Author: jgg Date: 1998-07-19 04:22:00 GMT DumpAvail works and apt-cache is complete
Diffstat (limited to 'cmdline/apt-cache.cc')
-rw-r--r--cmdline/apt-cache.cc231
1 files changed, 103 insertions, 128 deletions
diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index ac5dc17ca..e36bff198 100644
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -1,6 +1,6 @@
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: apt-cache.cc,v 1.2 1998/07/16 06:08:43 jgg Exp $
+// $Id: apt-cache.cc,v 1.3 1998/07/19 04:22:10 jgg Exp $
/* ######################################################################
apt-cache - Manages the cache file.
@@ -65,66 +65,11 @@ bool SplitArg(const char *Arg,string &File,string &Dist,string Ver)
return true;
}
/*}}}*/
-// DoAdd - Perform an adding operation /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool DoAdd(int argc,char *argv[])
-{
- string FileName;
- string Dist;
- string Ver;
-
- File CacheF(CacheFile,File::WriteEmpty);
- if (_error->PendingError() == true)
- return false;
-
- DynamicMMap Map(CacheF,MMap::Public);
- if (_error->PendingError() == true)
- return false;
-
- pkgCacheGenerator Gen(Map);
- if (_error->PendingError() == true)
- return false;
-
- for (int I = 0; I != argc; I++)
- {
- if (SplitArg(argv[I],FileName,Dist,Ver) == false)
- return false;
- cout << FileName << endl;
-
- // Do the merge
- File TagF(FileName.c_str(),File::ReadOnly);
- debListParser Parser(TagF);
- if (_error->PendingError() == true)
- return _error->Error("Problem opening %s",FileName.c_str());
-
- if (Gen.SelectFile(FileName) == false)
- return _error->Error("Problem with SelectFile");
-
- if (Gen.MergeList(Parser) == false)
- return _error->Error("Problem with MergeList");
- }
-
- return true;
-}
- /*}}}*/
// DumpPackage - Show a dump of a package record /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool DumpPackage(int argc,char *argv[])
-{
- File CacheF(CacheFile,File::ReadOnly);
- if (_error->PendingError() == true)
- return false;
-
- MMap Map(CacheF,MMap::Public | MMap::ReadOnly);
- if (_error->PendingError() == true)
- return false;
-
- pkgCache Cache(Map);
- if (_error->PendingError() == true)
- return false;
-
+bool DumpPackage(pkgCache &Cache,int argc,char *argv[])
+{
for (int I = 0; I != argc; I++)
{
pkgCache::PkgIterator Pkg = Cache.FindPkg(argv[I]);
@@ -173,20 +118,8 @@ bool DumpPackage(int argc,char *argv[])
// Stats - Dump some nice statistics /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool Stats(const char *FileName)
+bool Stats(pkgCache &Cache)
{
- File CacheF(FileName,File::ReadOnly);
- if (_error->PendingError() == true)
- return false;
-
- MMap Map(CacheF,MMap::Public | MMap::ReadOnly);
- if (_error->PendingError() == true)
- return false;
-
- pkgCache Cache(Map);
- if (_error->PendingError() == true)
- return false;
-
cout << "Total Package Names : " << Cache.Head().PackageCount << endl;
pkgCache::PkgIterator I = Cache.PkgBegin();
@@ -240,20 +173,8 @@ bool Stats(const char *FileName)
// Dump - show everything /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool Dump()
+bool Dump(pkgCache &Cache)
{
- File CacheF(CacheFile,File::ReadOnly);
- if (_error->PendingError() == true)
- return false;
-
- MMap Map(CacheF,MMap::Public | MMap::ReadOnly);
- if (_error->PendingError() == true)
- return false;
-
- pkgCache Cache(Map);
- if (_error->PendingError() == true)
- return false;
-
for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
{
cout << "Package: " << P.Name() << endl;
@@ -281,53 +202,97 @@ bool Dump()
// DumpAvail - Print out the available list /*{{{*/
// ---------------------------------------------------------------------
/* This is needed to make dpkg --merge happy */
-bool DumpAvail()
+bool DumpAvail(pkgCache &Cache)
{
-#if 0
- pkgCache Cache(CacheFile,true,true);
- if (_error->PendingError() == true)
- return false;
+ unsigned char *Buffer = new unsigned char[Cache.HeaderP->MaxVerFileSize];
- pkgControlCache CCache(Cache);
- if (_error->PendingError() == true)
- return false;
-
- vector<string> Lines;
- Lines.reserve(30);
-
- pkgCache::PkgIterator I = Cache.PkgBegin();
- for (;I.end() != true; I++)
+ for (pkgCache::PkgFileIterator I = Cache.FileBegin(); I.end() == false; I++)
{
- if (I->VersionList == 0)
+ if ((I->Flags & pkgCache::Flag::NotSource) != 0)
continue;
- pkgSPkgCtrlInfo Inf = CCache[I.VersionList()];
- if (Inf.isNull() == true)
- return _error->Error("Couldn't locate info record");
+ if (I.IsOk() == false)
+ {
+ delete [] Buffer;
+ return _error->Error("Package file %s is out of sync.",I.FileName());
+ }
- // Iterate over each element
- pkgPkgCtrlInfo::const_iterator Elm = Inf->begin();
- for (; Elm != Inf->end(); Elm++)
+ File PkgF(I.FileName(),File::ReadOnly);
+ if (_error->PendingError() == true)
{
- // Write the tag: value
- cout << (*Elm)->Tag() << ": " << (*Elm)->Value() << endl;
-
- // Write the multiline
- (*Elm)->GetLines(Lines);
- for (vector<string>::iterator j = Lines.begin(); j != Lines.end(); j++)
+ delete [] Buffer;
+ return false;
+ }
+
+ /* Write all of the records from this package file, we search the entire
+ structure to find them */
+ for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
+ {
+ for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
{
- if ((*j).length() == 0)
- cout << " ." << endl;
- else
- cout << " " << *j << endl;
+ if (V->FileList == 0)
+ continue;
+ if (V.FileList().File() != I)
+ continue;
+
+ // Read the record and then write it out again.
+ if (PkgF.Seek(V.FileList()->Offset) == false ||
+ PkgF.Read(Buffer,V.FileList()->Size) == false ||
+ write(STDOUT_FILENO,Buffer,V.FileList()->Size) != V.FileList()->Size)
+ {
+ delete [] Buffer;
+ return false;
+ }
}
-
- Lines.erase(Lines.begin(),Lines.end());
}
+ }
+
+ return true;
+}
+ /*}}}*/
+// DoAdd - Perform an adding operation /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool DoAdd(int argc,char *argv[])
+{
+ string FileName;
+ string Dist;
+ string Ver;
+
+ // Open the cache
+ File CacheF(CacheFile,File::WriteEmpty);
+ if (_error->PendingError() == true)
+ return false;
+
+ DynamicMMap Map(CacheF,MMap::Public);
+ if (_error->PendingError() == true)
+ return false;
+
+ pkgCacheGenerator Gen(Map);
+ if (_error->PendingError() == true)
+ return false;
+
+ for (int I = 0; I != argc; I++)
+ {
+ if (SplitArg(argv[I],FileName,Dist,Ver) == false)
+ return false;
+ cout << FileName << endl;
- cout << endl;
+ // Do the merge
+ File TagF(FileName.c_str(),File::ReadOnly);
+ debListParser Parser(TagF);
+ if (_error->PendingError() == true)
+ return _error->Error("Problem opening %s",FileName.c_str());
+
+ if (Gen.SelectFile(FileName) == false)
+ return _error->Error("Problem with SelectFile");
+
+ if (Gen.MergeList(Parser) == false)
+ return _error->Error("Problem with MergeList");
}
-#endif
+
+ Stats(Gen.GetCache());
+
return true;
}
/*}}}*/
@@ -344,38 +309,48 @@ int main(int argc, char *argv[])
pkgInitialize(*_config);
while (1)
{
+ CacheFile = argv[2];
if (strcmp(argv[1],"add") == 0)
{
- CacheFile = argv[2];
- if (DoAdd(argc - 3,argv + 3) == true)
- Stats(argv[2]);
+ DoAdd(argc - 3,argv + 3);
break;
}
+
+ // Open the cache file
+ File CacheF(CacheFile,File::ReadOnly);
+ if (_error->PendingError() == true)
+ break;
+
+ MMap Map(CacheF,MMap::Public | MMap::ReadOnly);
+ if (_error->PendingError() == true)
+ break;
+
+ pkgCache Cache(Map);
+ if (_error->PendingError() == true)
+ break;
if (strcmp(argv[1],"showpkg") == 0)
{
CacheFile = argv[2];
- DumpPackage(argc - 3,argv + 3);
+ DumpPackage(Cache,argc - 3,argv + 3);
break;
}
if (strcmp(argv[1],"stats") == 0)
{
- Stats(argv[2]);
+ Stats(Cache);
break;
}
if (strcmp(argv[1],"dump") == 0)
{
- CacheFile = argv[2];
- Dump();
+ Dump(Cache);
break;
}
if (strcmp(argv[1],"dumpavail") == 0)
{
- CacheFile = argv[2];
- DumpAvail();
+ DumpAvail(Cache);
break;
}