[apt-legacy.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,Section);
   }
   
   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 (File.FileName() == NULL || 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
da6ee469 JF	1	// -- mode: cpp; mode: fold --
	2	// Description /{{{/
	3	// $Id: debindexfile.cc,v 1.5.2.3 2004/01/04 19:11:00 mdz Exp $
	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>
	26	#include <apt-pkg/debmetaindex.h>
	27
	28	#include <sys/stat.h>
	29	/}}}/
	30
	31	// SourcesIndex::debSourcesIndex - Constructor /{{{/
	32	// ---------------------------------------------------------------------
	33	/* */
	34	debSourcesIndex::debSourcesIndex(string URI,string Dist,string Section,bool Trusted) :
	35	pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section)
	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	{
70	string SourcesURI = URItoFileName(IndexURI("Sources"));
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	/* */
78	string debSourcesIndex::Describe(bool Short) const
79	{
80	char S[300];
81	if (Short == true)
82	snprintf(S,sizeof(S),"%s",Info("Sources").c_str());
83	else
84	snprintf(S,sizeof(S),"%s (%s)",Info("Sources").c_str(),
85	IndexFile("Sources").c_str());
86
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	/}}}/
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	/* */
156	debPackagesIndex::debPackagesIndex(string URI,string Dist,string Section,bool Trusted) :
157	pkgIndexFile(Trusted), URI(URI), Dist(Dist), Section(Section)
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 */
186	string debPackagesIndex::Describe(bool Short) const
187	{
188	char S[300];
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());
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	/}}}/
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
287	string ReleaseFile = debReleaseIndex(URI,Dist).MetaIndexFile("Release");
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,Section);
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 (File.FileName() == NULL \|\| 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	/* */
326	debStatusIndex::debStatusIndex(string File) : pkgIndexFile(true), File(File)
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
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	/}}}/