[apt.git] / apt-pkg / deb / debindexfile.cc

// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: debindexfile.cc,v 1.5.2.3 2004/01/04 19:11:00 mdz Exp $
/* ######################################################################

   Debian Specific sources.list types and the three sorts of Debian
   index files.
   
   ##################################################################### */
									/*}}}*/
// Include Files							/*{{{*/
#ifdef __GNUG__
#pragma implementation "apt-pkg/debindexfile.h"
#endif

#include <apt-pkg/debindexfile.h>
#include <apt-pkg/debsrcrecords.h>
#include <apt-pkg/deblistparser.h>
#include <apt-pkg/debrecords.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/progress.h>
#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/debmetaindex.h>
    
#include <sys/stat.h>
									/*}}}*/

// SourcesIndex::debSourcesIndex - Constructor				/*{{{*/
// ---------------------------------------------------------------------
/* */
debSourcesIndex::debSourcesIndex(string URI,string Dist,string Section,bool Trusted) :
     pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section)
{
}
									/*}}}*/
// SourcesIndex::SourceInfo - Short 1 liner describing a source		/*{{{*/
// ---------------------------------------------------------------------
/* The result looks like:
     http://foo/ stable/main src 1.1.1 (dsc) */
string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
				   pkgSrcRecords::File const &File) const
{
   string Res;
   Res = ::URI::SiteOnly(URI) + ' ';
   if (Dist[Dist.size() - 1] == '/')
   {
      if (Dist != "/")
	 Res += Dist;
   }      
   else
      Res += Dist + '/' + Section;
   
   Res += " ";
   Res += Record.Package();
   Res += " ";
   Res += Record.Version();
   if (File.Type.empty() == false)
      Res += " (" + File.Type + ")";
   return Res;
}
									/*}}}*/
// SourcesIndex::CreateSrcParser - Get a parser for the source files	/*{{{*/
// ---------------------------------------------------------------------
/* */
pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const
{
   string SourcesURI = URItoFileName(IndexURI("Sources"));
   return new debSrcRecordParser(_config->FindDir("Dir::State::lists") +
				 SourcesURI,this);
}
									/*}}}*/
// SourcesIndex::Describe - Give a descriptive path to the index	/*{{{*/
// ---------------------------------------------------------------------
/* */
string debSourcesIndex::Describe(bool Short) const
{
   char S[300];
   if (Short == true)
      snprintf(S,sizeof(S),"%s",Info("Sources").c_str());
   else
      snprintf(S,sizeof(S),"%s (%s)",Info("Sources").c_str(),
	       IndexFile("Sources").c_str());
   
   return S;
}
									/*}}}*/
// SourcesIndex::Info - One liner describing the index URI		/*{{{*/
// ---------------------------------------------------------------------
/* */
string debSourcesIndex::Info(const char *Type) const
{
   string Info = ::URI::SiteOnly(URI) + ' ';
   if (Dist[Dist.size() - 1] == '/')
   {
      if (Dist != "/")
	 Info += Dist;
   }
   else
      Info += Dist + '/' + Section;   
   Info += " ";
   Info += Type;
   return Info;
}
									/*}}}*/
// SourcesIndex::Index* - Return the URI to the index files		/*{{{*/
// ---------------------------------------------------------------------
/* */
inline string debSourcesIndex::IndexFile(const char *Type) const
{
   return URItoFileName(IndexURI(Type));
}
string debSourcesIndex::IndexURI(const char *Type) const
{
   string Res;
   if (Dist[Dist.size() - 1] == '/')
   {
      if (Dist != "/")
	 Res = URI + Dist;
      else 
	 Res = URI;
   }
   else
      Res = URI + "dists/" + Dist + '/' + Section +
      "/source/";
   
   Res += Type;
   return Res;
}
									/*}}}*/
// SourcesIndex::Exists - Check if the index is available		/*{{{*/
// ---------------------------------------------------------------------
/* */
bool debSourcesIndex::Exists() const
{
   return FileExists(IndexFile("Sources"));
}
									/*}}}*/
// SourcesIndex::Size - Return the size of the index			/*{{{*/
// ---------------------------------------------------------------------
/* */
unsigned long debSourcesIndex::Size() const
{
   struct stat S;
   if (stat(IndexFile("Sources").c_str(),&S) != 0)
      return 0;
   return S.st_size;
}
									/*}}}*/

// PackagesIndex::debPackagesIndex - Contructor				/*{{{*/
// ---------------------------------------------------------------------
/* */
debPackagesIndex::debPackagesIndex(string URI,string Dist,string Section,bool Trusted) : 
                  pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section)
{
}
									/*}}}*/
// PackagesIndex::ArchiveInfo - Short version of the archive url	/*{{{*/
// ---------------------------------------------------------------------
/* This is a shorter version that is designed to be < 60 chars or so */
string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator Ver) const
{
   string Res = ::URI::SiteOnly(URI) + ' ';
   if (Dist[Dist.size() - 1] == '/')
   {
      if (Dist != "/")
	 Res += Dist;
   }
   else
      Res += Dist + '/' + Section;
   
   Res += " ";
   Res += Ver.ParentPkg().Name();
   Res += " ";
   Res += Ver.VerStr();
   return Res;
}
									/*}}}*/
// PackagesIndex::Describe - Give a descriptive path to the index	/*{{{*/
// ---------------------------------------------------------------------
/* This should help the user find the index in the sources.list and
   in the filesystem for problem solving */
string debPackagesIndex::Describe(bool Short) const
{   
   char S[300];
   if (Short == true)
      snprintf(S,sizeof(S),"%s",Info("Packages").c_str());
   else
      snprintf(S,sizeof(S),"%s (%s)",Info("Packages").c_str(),
	       IndexFile("Packages").c_str());
   return S;
}
									/*}}}*/
// PackagesIndex::Info - One liner describing the index URI		/*{{{*/
// ---------------------------------------------------------------------
/* */
string debPackagesIndex::Info(const char *Type) const 
{
   string Info = ::URI::SiteOnly(URI) + ' ';
   if (Dist[Dist.size() - 1] == '/')
   {
      if (Dist != "/")
	 Info += Dist;
   }
   else
      Info += Dist + '/' + Section;   
   Info += " ";
   Info += Type;
   return Info;
}
									/*}}}*/
// PackagesIndex::Index* - Return the URI to the index files		/*{{{*/
// ---------------------------------------------------------------------
/* */
inline string debPackagesIndex::IndexFile(const char *Type) const
{
   return _config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
}
string debPackagesIndex::IndexURI(const char *Type) const
{
   string Res;
   if (Dist[Dist.size() - 1] == '/')
   {
      if (Dist != "/")
	 Res = URI + Dist;
      else 
	 Res = URI;
   }
   else
      Res = URI + "dists/" + Dist + '/' + Section +
      "/binary-" + _config->Find("APT::Architecture") + '/';
   
   Res += Type;
   return Res;
}
									/*}}}*/
// PackagesIndex::Exists - Check if the index is available		/*{{{*/
// ---------------------------------------------------------------------
/* */
bool debPackagesIndex::Exists() const
{
   return FileExists(IndexFile("Packages"));
}
									/*}}}*/
// PackagesIndex::Size - Return the size of the index			/*{{{*/
// ---------------------------------------------------------------------
/* This is really only used for progress reporting. */
unsigned long debPackagesIndex::Size() const
{
   struct stat S;
   if (stat(IndexFile("Packages").c_str(),&S) != 0)
      return 0;
   return S.st_size;
}
									/*}}}*/
// PackagesIndex::Merge - Load the index file into a cache		/*{{{*/
// ---------------------------------------------------------------------
/* */
bool debPackagesIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const
{
   string PackageFile = IndexFile("Packages");
   FileFd Pkg(PackageFile,FileFd::ReadOnly);
   debListParser Parser(&Pkg);
   if (_error->PendingError() == true)
      return _error->Error("Problem opening %s",PackageFile.c_str());
   
   Prog.SubProgress(0,Info("Packages"));
   ::URI Tmp(URI);
   if (Gen.SelectFile(PackageFile,Tmp.Host,*this) == false)
      return _error->Error("Problem with SelectFile %s",PackageFile.c_str());

   // Store the IMS information
   pkgCache::PkgFileIterator File = Gen.GetCurFile();
   struct stat St;
   if (fstat(Pkg.Fd(),&St) != 0)
      return _error->Errno("fstat","Failed to stat");
   File->Size = St.st_size;
   File->mtime = St.st_mtime;
   
   if (Gen.MergeList(Parser) == false)
      return _error->Error("Problem with MergeList %s",PackageFile.c_str());

   // Check the release file
   string ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("Release");
   if (FileExists(ReleaseFile) == true)
   {
      FileFd Rel(ReleaseFile,FileFd::ReadOnly);
      if (_error->PendingError() == true)
	 return false;
      Parser.LoadReleaseInfo(File,Rel);
   }
   
   return true;
}
									/*}}}*/
// PackagesIndex::FindInCache - Find this index				/*{{{*/
// ---------------------------------------------------------------------
/* */
pkgCache::PkgFileIterator debPackagesIndex::FindInCache(pkgCache &Cache) const
{
   string FileName = IndexFile("Packages");
   pkgCache::PkgFileIterator File = Cache.FileBegin();
   for (; File.end() == false; File++)
   {
      if (FileName != File.FileName())
	 continue;
      
      struct stat St;
      if (stat(File.FileName(),&St) != 0)
	 return pkgCache::PkgFileIterator(Cache);
      if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
	 return pkgCache::PkgFileIterator(Cache);
      return File;
   }
   
   return File;
}
									/*}}}*/

// StatusIndex::debStatusIndex - Constructor				/*{{{*/
// ---------------------------------------------------------------------
/* */
debStatusIndex::debStatusIndex(string File) : pkgIndexFile(true), File(File)
{
}
									/*}}}*/
// StatusIndex::Size - Return the size of the index			/*{{{*/
// ---------------------------------------------------------------------
/* */
unsigned long debStatusIndex::Size() const
{
   struct stat S;
   if (stat(File.c_str(),&S) != 0)
      return 0;
   return S.st_size;
}
									/*}}}*/
// StatusIndex::Merge - Load the index file into a cache		/*{{{*/
// ---------------------------------------------------------------------
/* */
bool debStatusIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const
{
   FileFd Pkg(File,FileFd::ReadOnly);
   if (_error->PendingError() == true)
      return false;
   debListParser Parser(&Pkg);
   if (_error->PendingError() == true)
      return false;
   
   Prog.SubProgress(0,File);
   if (Gen.SelectFile(File,string(),*this,pkgCache::Flag::NotSource) == false)
      return _error->Error("Problem with SelectFile %s",File.c_str());

   // Store the IMS information
   pkgCache::PkgFileIterator CFile = Gen.GetCurFile();
   struct stat St;
   if (fstat(Pkg.Fd(),&St) != 0)
      return _error->Errno("fstat","Failed to stat");
   CFile->Size = St.st_size;
   CFile->mtime = St.st_mtime;
   CFile->Archive = Gen.WriteUniqString("now");
   
   if (Gen.MergeList(Parser) == false)
      return _error->Error("Problem with MergeList %s",File.c_str());   
   return true;
}
									/*}}}*/
// StatusIndex::FindInCache - Find this index				/*{{{*/
// ---------------------------------------------------------------------
/* */
pkgCache::PkgFileIterator debStatusIndex::FindInCache(pkgCache &Cache) const
{
   pkgCache::PkgFileIterator File = Cache.FileBegin();
   for (; File.end() == false; File++)
   {
      if (this->File != File.FileName())
	 continue;
      
      struct stat St;
      if (stat(File.FileName(),&St) != 0)
	 return pkgCache::PkgFileIterator(Cache);
      if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
	 return pkgCache::PkgFileIterator(Cache);
      return File;
   }   
   return File;
}
									/*}}}*/
// StatusIndex::Exists - Check if the index is available		/*{{{*/
// ---------------------------------------------------------------------
/* */
bool debStatusIndex::Exists() const
{
   // Abort if the file does not exist.
   return true;
}
									/*}}}*/

// Index File types for Debian						/*{{{*/
class debIFTypeSrc : public pkgIndexFile::Type
{
   public:
   
   debIFTypeSrc() {Label = "Debian Source Index";};
};
class debIFTypePkg : public pkgIndexFile::Type
{
   public:
   
   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const 
   {
      return new debRecordParser(File.FileName(),*File.Cache());
   };
   debIFTypePkg() {Label = "Debian Package Index";};
};
class debIFTypeStatus : public pkgIndexFile::Type
{
   public:
   
   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const 
   {
      return new debRecordParser(File.FileName(),*File.Cache());
   };
   debIFTypeStatus() {Label = "Debian dpkg status file";};
};
static debIFTypeSrc _apt_Src;
static debIFTypePkg _apt_Pkg;
static debIFTypeStatus _apt_Status;

const pkgIndexFile::Type *debSourcesIndex::GetType() const
{
   return &_apt_Src;
}
const pkgIndexFile::Type *debPackagesIndex::GetType() const
{
   return &_apt_Pkg;
}
const pkgIndexFile::Type *debStatusIndex::GetType() const
{
   return &_apt_Status;
}

									/*}}}*/
Commit	Line	Data
b2e465d6 AL	1	// -- mode: cpp; mode: fold --
b2e465d6 AL	2	// Description /{{{/
7db98ffc	3	// $Id: debindexfile.cc,v 1.5.2.3 2004/01/04 19:11:00 mdz Exp $
b2e465d6 AL	4	/* ######################################################################
	5
	6	Debian Specific sources.list types and the three sorts of Debian
	7	index files.
	8
	9	##################################################################### */
	10	/}}}/
	11	// Include Files /{{{/
	12	#ifdef __GNUG__
	13	#pragma implementation "apt-pkg/debindexfile.h"
	14	#endif
	15
	16	#include <apt-pkg/debindexfile.h>
	17	#include <apt-pkg/debsrcrecords.h>
	18	#include <apt-pkg/deblistparser.h>
	19	#include <apt-pkg/debrecords.h>
	20	#include <apt-pkg/sourcelist.h>
	21	#include <apt-pkg/configuration.h>
	22	#include <apt-pkg/progress.h>
	23	#include <apt-pkg/error.h>
	24	#include <apt-pkg/strutl.h>
	25	#include <apt-pkg/acquire-item.h>
7db98ffc	26	#include <apt-pkg/debmetaindex.h>
b2e465d6 AL	27
	28	#include <sys/stat.h>
	29	/}}}/
	30
	31	// SourcesIndex::debSourcesIndex - Constructor /{{{/
	32	// ---------------------------------------------------------------------
	33	/* */
7db98ffc MZ	34	debSourcesIndex::debSourcesIndex(string URI,string Dist,string Section,bool Trusted) :
7db98ffc MZ	35	pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section)
b2e465d6 AL	36	{
	37	}
	38	/}}}/
	39	// SourcesIndex::SourceInfo - Short 1 liner describing a source /{{{/
	40	// ---------------------------------------------------------------------
	41	/* The result looks like:
	42	http://foo/ stable/main src 1.1.1 (dsc) */
	43	string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
	44	pkgSrcRecords::File const &File) const
	45	{
	46	string Res;
	47	Res = ::URI::SiteOnly(URI) + ' ';
	48	if (Dist[Dist.size() - 1] == '/')
	49	{
	50	if (Dist != "/")
	51	Res += Dist;
	52	}
	53	else
	54	Res += Dist + '/' + Section;
	55
	56	Res += " ";
	57	Res += Record.Package();
	58	Res += " ";
	59	Res += Record.Version();
	60	if (File.Type.empty() == false)
	61	Res += " (" + File.Type + ")";
	62	return Res;
	63	}
	64	/}}}/
	65	// SourcesIndex::CreateSrcParser - Get a parser for the source files /{{{/
	66	// ---------------------------------------------------------------------
	67	/* */
	68	pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const
	69	{
0e72dd52	70	string SourcesURI = URItoFileName(IndexURI("Sources"));
b2e465d6 AL	71	return new debSrcRecordParser(_config->FindDir("Dir::State::lists") +
	72	SourcesURI,this);
	73	}
	74	/}}}/
	75	// SourcesIndex::Describe - Give a descriptive path to the index /{{{/
	76	// ---------------------------------------------------------------------
	77	/* */
af87ab54	78	string debSourcesIndex::Describe(bool Short) const
b2e465d6 AL	79	{
b2e465d6 AL	80	char S[300];
af87ab54	81	if (Short == true)
cc742108	82	snprintf(S,sizeof(S),"%s",Info("Sources").c_str());
af87ab54	83	else
cc742108	84	snprintf(S,sizeof(S),"%s (%s)",Info("Sources").c_str(),
af87ab54 AL	85	IndexFile("Sources").c_str());
af87ab54 AL	86
b2e465d6 AL	87	return S;
	88	}
	89	/}}}/
	90	// SourcesIndex::Info - One liner describing the index URI /{{{/
	91	// ---------------------------------------------------------------------
	92	/* */
	93	string debSourcesIndex::Info(const char *Type) const
	94	{
	95	string Info = ::URI::SiteOnly(URI) + ' ';
	96	if (Dist[Dist.size() - 1] == '/')
	97	{
	98	if (Dist != "/")
	99	Info += Dist;
	100	}
	101	else
	102	Info += Dist + '/' + Section;
	103	Info += " ";
	104	Info += Type;
	105	return Info;
	106	}
	107	/}}}/
	108	// SourcesIndex::Index* - Return the URI to the index files /{{{/
	109	// ---------------------------------------------------------------------
	110	/* */
	111	inline string debSourcesIndex::IndexFile(const char *Type) const
	112	{
	113	return URItoFileName(IndexURI(Type));
	114	}
	115	string debSourcesIndex::IndexURI(const char *Type) const
	116	{
	117	string Res;
	118	if (Dist[Dist.size() - 1] == '/')
	119	{
	120	if (Dist != "/")
	121	Res = URI + Dist;
	122	else
	123	Res = URI;
	124	}
	125	else
	126	Res = URI + "dists/" + Dist + '/' + Section +
	127	"/source/";
	128
	129	Res += Type;
	130	return Res;
	131	}
	132	/}}}/
b2e465d6 AL	133	// SourcesIndex::Exists - Check if the index is available /{{{/
	134	// ---------------------------------------------------------------------
	135	/* */
	136	bool debSourcesIndex::Exists() const
	137	{
	138	return FileExists(IndexFile("Sources"));
	139	}
	140	/}}}/
	141	// SourcesIndex::Size - Return the size of the index /{{{/
	142	// ---------------------------------------------------------------------
	143	/* */
	144	unsigned long debSourcesIndex::Size() const
	145	{
	146	struct stat S;
	147	if (stat(IndexFile("Sources").c_str(),&S) != 0)
	148	return 0;
	149	return S.st_size;
	150	}
	151	/}}}/
	152
	153	// PackagesIndex::debPackagesIndex - Contructor /{{{/
	154	// ---------------------------------------------------------------------
	155	/* */
7db98ffc MZ	156	debPackagesIndex::debPackagesIndex(string URI,string Dist,string Section,bool Trusted) :
7db98ffc MZ	157	pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section)
b2e465d6 AL	158	{
	159	}
	160	/}}}/
	161	// PackagesIndex::ArchiveInfo - Short version of the archive url /{{{/
	162	// ---------------------------------------------------------------------
	163	/* This is a shorter version that is designed to be < 60 chars or so */
	164	string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator Ver) const
	165	{
	166	string Res = ::URI::SiteOnly(URI) + ' ';
	167	if (Dist[Dist.size() - 1] == '/')
	168	{
	169	if (Dist != "/")
	170	Res += Dist;
	171	}
	172	else
	173	Res += Dist + '/' + Section;
	174
	175	Res += " ";
	176	Res += Ver.ParentPkg().Name();
	177	Res += " ";
	178	Res += Ver.VerStr();
	179	return Res;
	180	}
	181	/}}}/
	182	// PackagesIndex::Describe - Give a descriptive path to the index /{{{/
	183	// ---------------------------------------------------------------------
	184	/* This should help the user find the index in the sources.list and
	185	in the filesystem for problem solving */
af87ab54	186	string debPackagesIndex::Describe(bool Short) const
b2e465d6 AL	187	{
b2e465d6 AL	188	char S[300];
af87ab54 AL	189	if (Short == true)
	190	snprintf(S,sizeof(S),"%s",Info("Packages").c_str());
	191	else
	192	snprintf(S,sizeof(S),"%s (%s)",Info("Packages").c_str(),
	193	IndexFile("Packages").c_str());
b2e465d6 AL	194	return S;
	195	}
	196	/}}}/
	197	// PackagesIndex::Info - One liner describing the index URI /{{{/
	198	// ---------------------------------------------------------------------
	199	/* */
	200	string debPackagesIndex::Info(const char *Type) const
	201	{
	202	string Info = ::URI::SiteOnly(URI) + ' ';
	203	if (Dist[Dist.size() - 1] == '/')
	204	{
	205	if (Dist != "/")
	206	Info += Dist;
	207	}
	208	else
	209	Info += Dist + '/' + Section;
	210	Info += " ";
	211	Info += Type;
	212	return Info;
	213	}
	214	/}}}/
	215	// PackagesIndex::Index* - Return the URI to the index files /{{{/
	216	// ---------------------------------------------------------------------
	217	/* */
	218	inline string debPackagesIndex::IndexFile(const char *Type) const
	219	{
	220	return _config->FindDir("Dir::State::lists") + URItoFileName(IndexURI(Type));
	221	}
	222	string debPackagesIndex::IndexURI(const char *Type) const
	223	{
	224	string Res;
	225	if (Dist[Dist.size() - 1] == '/')
	226	{
	227	if (Dist != "/")
	228	Res = URI + Dist;
	229	else
	230	Res = URI;
	231	}
	232	else
	233	Res = URI + "dists/" + Dist + '/' + Section +
	234	"/binary-" + _config->Find("APT::Architecture") + '/';
	235
	236	Res += Type;
	237	return Res;
	238	}
	239	/}}}/
b2e465d6 AL	240	// PackagesIndex::Exists - Check if the index is available /{{{/
	241	// ---------------------------------------------------------------------
	242	/* */
	243	bool debPackagesIndex::Exists() const
	244	{
	245	return FileExists(IndexFile("Packages"));
	246	}
	247	/}}}/
	248	// PackagesIndex::Size - Return the size of the index /{{{/
	249	// ---------------------------------------------------------------------
	250	/* This is really only used for progress reporting. */
	251	unsigned long debPackagesIndex::Size() const
	252	{
	253	struct stat S;
	254	if (stat(IndexFile("Packages").c_str(),&S) != 0)
	255	return 0;
	256	return S.st_size;
	257	}
	258	/}}}/
	259	// PackagesIndex::Merge - Load the index file into a cache /{{{/
	260	// ---------------------------------------------------------------------
	261	/* */
	262	bool debPackagesIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const
	263	{
	264	string PackageFile = IndexFile("Packages");
	265	FileFd Pkg(PackageFile,FileFd::ReadOnly);
	266	debListParser Parser(&Pkg);
	267	if (_error->PendingError() == true)
	268	return _error->Error("Problem opening %s",PackageFile.c_str());
	269
	270	Prog.SubProgress(0,Info("Packages"));
	271	::URI Tmp(URI);
	272	if (Gen.SelectFile(PackageFile,Tmp.Host,*this) == false)
	273	return _error->Error("Problem with SelectFile %s",PackageFile.c_str());
	274
	275	// Store the IMS information
	276	pkgCache::PkgFileIterator File = Gen.GetCurFile();
	277	struct stat St;
	278	if (fstat(Pkg.Fd(),&St) != 0)
	279	return _error->Errno("fstat","Failed to stat");
	280	File->Size = St.st_size;
	281	File->mtime = St.st_mtime;
	282
	283	if (Gen.MergeList(Parser) == false)
	284	return _error->Error("Problem with MergeList %s",PackageFile.c_str());
	285
	286	// Check the release file
7db98ffc	287	string ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("Release");
b2e465d6 AL	288	if (FileExists(ReleaseFile) == true)
	289	{
	290	FileFd Rel(ReleaseFile,FileFd::ReadOnly);
	291	if (_error->PendingError() == true)
	292	return false;
	293	Parser.LoadReleaseInfo(File,Rel);
	294	}
	295
	296	return true;
	297	}
	298	/}}}/
	299	// PackagesIndex::FindInCache - Find this index /{{{/
	300	// ---------------------------------------------------------------------
	301	/* */
	302	pkgCache::PkgFileIterator debPackagesIndex::FindInCache(pkgCache &Cache) const
	303	{
	304	string FileName = IndexFile("Packages");
	305	pkgCache::PkgFileIterator File = Cache.FileBegin();
	306	for (; File.end() == false; File++)
	307	{
	308	if (FileName != File.FileName())
	309	continue;
	310
	311	struct stat St;
	312	if (stat(File.FileName(),&St) != 0)
	313	return pkgCache::PkgFileIterator(Cache);
	314	if ((unsigned)St.st_size != File->Size \|\| St.st_mtime != File->mtime)
	315	return pkgCache::PkgFileIterator(Cache);
	316	return File;
	317	}
	318
	319	return File;
	320	}
	321	/}}}/
	322
	323	// StatusIndex::debStatusIndex - Constructor /{{{/
	324	// ---------------------------------------------------------------------
	325	/* */
7db98ffc	326	debStatusIndex::debStatusIndex(string File) : pkgIndexFile(true), File(File)
b2e465d6 AL	327	{
	328	}
	329	/}}}/
	330	// StatusIndex::Size - Return the size of the index /{{{/
	331	// ---------------------------------------------------------------------
	332	/* */
	333	unsigned long debStatusIndex::Size() const
	334	{
	335	struct stat S;
	336	if (stat(File.c_str(),&S) != 0)
	337	return 0;
	338	return S.st_size;
	339	}
	340	/}}}/
	341	// StatusIndex::Merge - Load the index file into a cache /{{{/
	342	// ---------------------------------------------------------------------
	343	/* */
	344	bool debStatusIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const
	345	{
	346	FileFd Pkg(File,FileFd::ReadOnly);
	347	if (_error->PendingError() == true)
	348	return false;
	349	debListParser Parser(&Pkg);
	350	if (_error->PendingError() == true)
	351	return false;
	352
	353	Prog.SubProgress(0,File);
	354	if (Gen.SelectFile(File,string(),*this,pkgCache::Flag::NotSource) == false)
	355	return _error->Error("Problem with SelectFile %s",File.c_str());
	356
	357	// Store the IMS information
	358	pkgCache::PkgFileIterator CFile = Gen.GetCurFile();
	359	struct stat St;
	360	if (fstat(Pkg.Fd(),&St) != 0)
	361	return _error->Errno("fstat","Failed to stat");
	362	CFile->Size = St.st_size;
	363	CFile->mtime = St.st_mtime;
	364	CFile->Archive = Gen.WriteUniqString("now");
	365
	366	if (Gen.MergeList(Parser) == false)
	367	return _error->Error("Problem with MergeList %s",File.c_str());
	368	return true;
	369	}
	370	/}}}/
	371	// StatusIndex::FindInCache - Find this index /{{{/
	372	// ---------------------------------------------------------------------
	373	/* */
	374	pkgCache::PkgFileIterator debStatusIndex::FindInCache(pkgCache &Cache) const
	375	{
	376	pkgCache::PkgFileIterator File = Cache.FileBegin();
	377	for (; File.end() == false; File++)
	378	{
	379	if (this->File != File.FileName())
	380	continue;
	381
	382	struct stat St;
	383	if (stat(File.FileName(),&St) != 0)
	384	return pkgCache::PkgFileIterator(Cache);
	385	if ((unsigned)St.st_size != File->Size \|\| St.st_mtime != File->mtime)
	386	return pkgCache::PkgFileIterator(Cache);
	387	return File;
	388	}
	389	return File;
	390	}
391	/}}}/
392	// StatusIndex::Exists - Check if the index is available /{{{/
393	// ---------------------------------------------------------------------
394	/* */
395	bool debStatusIndex::Exists() const
396	{
397	// Abort if the file does not exist.
398	return true;
399	}
400	/}}}/
401
b2e465d6 AL	402	// Index File types for Debian /{{{/
	403	class debIFTypeSrc : public pkgIndexFile::Type
	404	{
	405	public:
	406
	407	debIFTypeSrc() {Label = "Debian Source Index";};
	408	};
	409	class debIFTypePkg : public pkgIndexFile::Type
	410	{
	411	public:
	412
	413	virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const
	414	{
	415	return new debRecordParser(File.FileName(),*File.Cache());
	416	};
	417	debIFTypePkg() {Label = "Debian Package Index";};
	418	};
	419	class debIFTypeStatus : public pkgIndexFile::Type
	420	{
	421	public:
	422
	423	virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator File) const
	424	{
	425	return new debRecordParser(File.FileName(),*File.Cache());
	426	};
	427	debIFTypeStatus() {Label = "Debian dpkg status file";};
	428	};
	429	static debIFTypeSrc _apt_Src;
	430	static debIFTypePkg _apt_Pkg;
	431	static debIFTypeStatus _apt_Status;
	432
	433	const pkgIndexFile::Type *debSourcesIndex::GetType() const
	434	{
	435	return &_apt_Src;
	436	}
	437	const pkgIndexFile::Type *debPackagesIndex::GetType() const
	438	{
	439	return &_apt_Pkg;
	440	}
	441	const pkgIndexFile::Type *debStatusIndex::GetType() const
	442	{
	443	return &_apt_Status;
	444	}
	445
	446	/}}}/