[apt.git] / apt-pkg / indexfile.cc

// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: indexfile.cc,v 1.2.2.1 2003/12/24 23:09:17 mdz Exp $
/* ######################################################################

   Index File - Abstraction for an index of archive/souce file.
   
   ##################################################################### */
									/*}}}*/
// Include Files							/*{{{*/
#include<config.h>

#include <apt-pkg/configuration.h>
#include <apt-pkg/indexfile.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/aptconfiguration.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/cacheiterators.h>
#include <apt-pkg/srcrecords.h>
#include <apt-pkg/progress.h>
#include <apt-pkg/macros.h>

#include <apt-pkg/deblistparser.h>

#include <sys/stat.h>

#include <string>
#include <vector>
#include <clocale>
#include <cstring>
#include <memory>
									/*}}}*/

// Global list of Item supported
static  pkgIndexFile::Type *ItmList[10];
pkgIndexFile::Type **pkgIndexFile::Type::GlobalList = ItmList;
unsigned long pkgIndexFile::Type::GlobalListLen = 0;

// Type::Type - Constructor						/*{{{*/
// ---------------------------------------------------------------------
/* */
pkgIndexFile::Type::Type()
{
   ItmList[GlobalListLen] = this;
   GlobalListLen++;
   Label = NULL;
}
									/*}}}*/
// Type::GetType - Locate the type by name				/*{{{*/
// ---------------------------------------------------------------------
/* */
pkgIndexFile::Type *pkgIndexFile::Type::GetType(const char *Type)
{
   for (unsigned I = 0; I != GlobalListLen; I++)
      if (strcmp(GlobalList[I]->Label,Type) == 0)
	 return GlobalList[I];
   return 0;
}
									/*}}}*/
pkgIndexFile::pkgIndexFile(bool const Trusted) :			/*{{{*/
   d(NULL), Trusted(Trusted)
{
}
									/*}}}*/
// IndexFile::ArchiveInfo - Stub					/*{{{*/
std::string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator const &/*Ver*/) const
{
   return std::string();
}
									/*}}}*/
// IndexFile::FindInCache - Stub					/*{{{*/
pkgCache::PkgFileIterator pkgIndexFile::FindInCache(pkgCache &Cache) const
{
   return pkgCache::PkgFileIterator(Cache);
}
									/*}}}*/
// IndexFile::SourceIndex - Stub					/*{{{*/
std::string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &/*Record*/,
				pkgSrcRecords::File const &/*File*/) const
{
   return std::string();
}
									/*}}}*/
// IndexFile::TranslationsAvailable - Check if will use Translation	/*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgIndexFile::TranslationsAvailable() {
	return (APT::Configuration::getLanguages().empty() != true);
}
									/*}}}*/
// IndexFile::CheckLanguageCode - Check the Language Code		/*{{{*/
// ---------------------------------------------------------------------
/* No intern need for this method anymore as the check for correctness
   is already done in getLanguages(). Note also that this check is
   rather bad (doesn't take three character like ast into account).
   TODO: Remove method with next API break */
APT_DEPRECATED bool pkgIndexFile::CheckLanguageCode(const char * const Lang)
{
  if (strlen(Lang) == 2 || (strlen(Lang) == 5 && Lang[2] == '_'))
    return true;

  if (strcmp(Lang,"C") != 0)
    _error->Warning("Wrong language code %s", Lang);

  return false;
}
									/*}}}*/
// IndexFile::LanguageCode - Return the Language Code			/*{{{*/
// ---------------------------------------------------------------------
/* As we have now possibly more than one LanguageCode this method is
   supersided by a) private classmembers or b) getLanguages().
   TODO: Remove method with next API break */
APT_DEPRECATED std::string pkgIndexFile::LanguageCode() {
	if (TranslationsAvailable() == false)
		return "";
	return APT::Configuration::getLanguages()[0];
}
									/*}}}*/

// IndexTarget - Constructor						/*{{{*/
IndexTarget::IndexTarget(std::string const &MetaKey, std::string const &ShortDesc,
      std::string const &LongDesc, std::string const &URI, bool const IsOptional,
      bool const KeepCompressed, std::map<std::string, std::string> const &Options) :
   URI(URI), Description(LongDesc), ShortDesc(ShortDesc), MetaKey(MetaKey),
   IsOptional(IsOptional), KeepCompressed(KeepCompressed), Options(Options)
{
}
									/*}}}*/
std::string IndexTarget::Option(OptionKeys const EnumKey) const		/*{{{*/
{
   std::string Key;
   switch (EnumKey)
   {
#define APT_CASE(X) case X: Key = #X; break
      APT_CASE(SITE);
      APT_CASE(RELEASE);
      APT_CASE(COMPONENT);
      APT_CASE(LANGUAGE);
      APT_CASE(ARCHITECTURE);
      APT_CASE(BASE_URI);
      APT_CASE(REPO_URI);
      APT_CASE(TARGET_OF);
      APT_CASE(CREATED_BY);
#undef APT_CASE
      case FILENAME: return _config->FindDir("Dir::State::lists") + URItoFileName(URI);
      case EXISTING_FILENAME:
	 std::string const filename = Option(FILENAME);
	 std::vector<std::string> const types = APT::Configuration::getCompressionTypes();
	 for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
	 {
	    if (t->empty())
	       continue;
	    std::string const file = (*t == "uncompressed") ? filename : (filename + "." + *t);
	    if (FileExists(file))
	       return file;
	 }
	 return "";
   }
   std::map<std::string,std::string>::const_iterator const M = Options.find(Key);
   if (M == Options.end())
      return "";
   return M->second;
}
									/*}}}*/
std::string IndexTarget::Format(std::string format) const		/*{{{*/
{
   for (std::map<std::string, std::string>::const_iterator O = Options.begin(); O != Options.end(); ++O)
   {
      format = SubstVar(format, std::string("$(") + O->first + ")", O->second);
   }
   format = SubstVar(format, "$(METAKEY)", MetaKey);
   format = SubstVar(format, "$(SHORTDESC)", ShortDesc);
   format = SubstVar(format, "$(DESCRIPTION)", Description);
   format = SubstVar(format, "$(URI)", URI);
   format = SubstVar(format, "$(FILENAME)", Option(IndexTarget::FILENAME));
   return format;
}
									/*}}}*/

pkgDebianIndexTargetFile::pkgDebianIndexTargetFile(IndexTarget const &Target, bool const Trusted) :/*{{{*/
   pkgDebianIndexFile(Trusted), d(NULL), Target(Target)
{
}
									/*}}}*/
std::string pkgDebianIndexTargetFile::ArchiveURI(std::string const &File) const/*{{{*/
{
   return Target.Option(IndexTarget::REPO_URI) + File;
}
									/*}}}*/
std::string pkgDebianIndexTargetFile::Describe(bool const Short) const	/*{{{*/
{
   if (Short)
      return Target.Description;
   return Target.Description + " (" + IndexFileName() + ")";
}
									/*}}}*/
std::string pkgDebianIndexTargetFile::IndexFileName() const			/*{{{*/
{
   std::string const s = Target.Option(IndexTarget::FILENAME);
   if (FileExists(s))
      return s;

   std::vector<std::string> types = APT::Configuration::getCompressionTypes();
   for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
   {
      std::string p = s + '.' + *t;
      if (FileExists(p))
         return p;
   }
   return s;
}
									/*}}}*/
unsigned long pkgDebianIndexTargetFile::Size() const				/*{{{*/
{
   unsigned long size = 0;

   /* we need to ignore errors here; if the lists are absent, just return 0 */
   _error->PushToStack();

   FileFd f(IndexFileName(), FileFd::ReadOnly, FileFd::Extension);
   if (!f.Failed())
      size = f.Size();

   if (_error->PendingError() == true)
       size = 0;
   _error->RevertToStack();

   return size;
}
									/*}}}*/
bool pkgDebianIndexTargetFile::Exists() const					/*{{{*/
{
   return FileExists(IndexFileName());
}
									/*}}}*/
std::string pkgDebianIndexTargetFile::GetArchitecture() const			/*{{{*/
{
   return Target.Option(IndexTarget::ARCHITECTURE);
}
									/*}}}*/
std::string pkgDebianIndexTargetFile::GetComponent() const			/*{{{*/
{
   return Target.Option(IndexTarget::COMPONENT);
}
									/*}}}*/
bool pkgDebianIndexTargetFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/*{{{*/
{
   if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::Extension) == false)
      return _error->Error("Problem opening %s",FileName.c_str());
   return true;
}
									/*}}}*/
std::string pkgDebianIndexTargetFile::GetProgressDescription() const
{
   return Target.Description;
}

pkgDebianIndexRealFile::pkgDebianIndexRealFile(std::string const &File, bool const Trusted) :/*{{{*/
   pkgDebianIndexFile(Trusted), d(NULL), File(flAbsPath(File))
{
}
									/*}}}*/
// IndexRealFile::Size - Return the size of the index			/*{{{*/
unsigned long pkgDebianIndexRealFile::Size() const
{
   struct stat S;
   if (stat(File.c_str(),&S) != 0)
      return 0;
   return S.st_size;
}
									/*}}}*/
bool pkgDebianIndexRealFile::Exists() const					/*{{{*/
{
   return FileExists(File);
}
									/*}}}*/
std::string pkgDebianIndexRealFile::Describe(bool const /*Short*/) const/*{{{*/
{
   return File;
}
									/*}}}*/
std::string pkgDebianIndexRealFile::ArchiveURI(std::string const &/*File*/) const/*{{{*/
{
   return "file:" + File;
}
									/*}}}*/
std::string pkgDebianIndexRealFile::IndexFileName() const			/*{{{*/
{
   return File;
}
									/*}}}*/
std::string pkgDebianIndexRealFile::GetProgressDescription() const
{
   return File;
}
bool pkgDebianIndexRealFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/*{{{*/
{
   if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::None) == false)
      return _error->Error("Problem opening %s",FileName.c_str());
   return true;
}
									/*}}}*/

pkgDebianIndexFile::pkgDebianIndexFile(bool const Trusted) : pkgIndexFile(Trusted)
{
}
pkgDebianIndexFile::~pkgDebianIndexFile()
{
}
pkgCacheListParser * pkgDebianIndexFile::CreateListParser(FileFd &Pkg)
{
   if (Pkg.IsOpen() == false)
      return NULL;
   _error->PushToStack();
   pkgCacheListParser * const Parser = new debListParser(&Pkg);
   bool const newError = _error->PendingError();
   _error->MergeWithStack();
   return newError ? NULL : Parser;
}
bool pkgDebianIndexFile::Merge(pkgCacheGenerator &Gen,OpProgress * const Prog)
{
   std::string const PackageFile = IndexFileName();
   FileFd Pkg;
   if (OpenListFile(Pkg, PackageFile) == false)
      return false;
   _error->PushToStack();
   std::unique_ptr<pkgCacheListParser> Parser(CreateListParser(Pkg));
   bool const newError = _error->PendingError();
   if (newError == false && Parser == nullptr)
      return true;
   if (Parser == NULL)
      return false;

   if (Prog != NULL)
      Prog->SubProgress(0, GetProgressDescription());

   if (Gen.SelectFile(PackageFile, *this, GetArchitecture(), GetComponent(), GetIndexFlags()) == false)
      return _error->Error("Problem with SelectFile %s",PackageFile.c_str());

   // Store the IMS information
   pkgCache::PkgFileIterator File = Gen.GetCurFile();
   pkgCacheGenerator::Dynamic<pkgCache::PkgFileIterator> DynFile(File);
   File->Size = Pkg.FileSize();
   File->mtime = Pkg.ModificationTime();

   if (Gen.MergeList(*Parser) == false)
      return _error->Error("Problem with MergeList %s",PackageFile.c_str());
   return true;
}
pkgCache::PkgFileIterator pkgDebianIndexFile::FindInCache(pkgCache &Cache) const
{
   std::string const FileName = IndexFileName();
   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)
      {
         if (_config->FindB("Debug::pkgCacheGen", false))
	    std::clog << "DebianIndexFile::FindInCache - stat failed on " << File.FileName() << std::endl;
	 return pkgCache::PkgFileIterator(Cache);
      }
      if ((map_filesize_t)St.st_size != File->Size || St.st_mtime != File->mtime)
      {
         if (_config->FindB("Debug::pkgCacheGen", false))
	    std::clog << "DebianIndexFile::FindInCache - size (" << St.st_size << " <> " << File->Size
			<< ") or mtime (" << St.st_mtime << " <> " << File->mtime
			<< ") doesn't match for " << File.FileName() << std::endl;
	 return pkgCache::PkgFileIterator(Cache);
      }
      return File;
   }

   return File;
}

APT_CONST pkgIndexFile::~pkgIndexFile() {}
APT_CONST pkgDebianIndexTargetFile::~pkgDebianIndexTargetFile() {}
APT_CONST pkgDebianIndexRealFile::~pkgDebianIndexRealFile() {}
Commit	Line	Data
b2e465d6 AL	1	// -- mode: cpp; mode: fold --
b2e465d6 AL	2	// Description /{{{/
7db98ffc	3	// $Id: indexfile.cc,v 1.2.2.1 2003/12/24 23:09:17 mdz Exp $
b2e465d6 AL	4	/* ######################################################################
	5
	6	Index File - Abstraction for an index of archive/souce file.
	7
	8	##################################################################### */
	9	/}}}/
	10	// Include Files /{{{/
ea542140 DK	11	#include<config.h>
ea542140 DK	12
e3c1cfc7	13	#include <apt-pkg/configuration.h>
b2e465d6 AL	14	#include <apt-pkg/indexfile.h>
b2e465d6 AL	15	#include <apt-pkg/error.h>
e3c1cfc7	16	#include <apt-pkg/fileutl.h>
45df0ad2	17	#include <apt-pkg/aptconfiguration.h>
453b82a3	18	#include <apt-pkg/pkgcache.h>
c9443c01	19	#include <apt-pkg/pkgcachegen.h>
453b82a3 DK	20	#include <apt-pkg/cacheiterators.h>
453b82a3 DK	21	#include <apt-pkg/srcrecords.h>
c9443c01	22	#include <apt-pkg/progress.h>
453b82a3	23	#include <apt-pkg/macros.h>
a52f938b	24
c9443c01 DK	25	#include <apt-pkg/deblistparser.h>
c9443c01 DK	26
c9443c01	27	#include <sys/stat.h>
c9443c01	28
453b82a3 DK	29	#include <string>
453b82a3 DK	30	#include <vector>
a52f938b	31	#include <clocale>
4f333a8b	32	#include <cstring>
c9443c01	33	#include <memory>
b2e465d6 AL	34	/}}}/
	35
	36	// Global list of Item supported
	37	static pkgIndexFile::Type *ItmList[10];
	38	pkgIndexFile::Type **pkgIndexFile::Type::GlobalList = ItmList;
	39	unsigned long pkgIndexFile::Type::GlobalListLen = 0;
	40
	41	// Type::Type - Constructor /{{{/
	42	// ---------------------------------------------------------------------
	43	/* */
	44	pkgIndexFile::Type::Type()
	45	{
	46	ItmList[GlobalListLen] = this;
dd688285 DK	47	GlobalListLen++;
dd688285 DK	48	Label = NULL;
b2e465d6 AL	49	}
	50	/}}}/
	51	// Type::GetType - Locate the type by name /{{{/
	52	// ---------------------------------------------------------------------
	53	/* */
	54	pkgIndexFile::Type pkgIndexFile::Type::GetType(const char Type)
	55	{
	56	for (unsigned I = 0; I != GlobalListLen; I++)
	57	if (strcmp(GlobalList[I]->Label,Type) == 0)
	58	return GlobalList[I];
	59	return 0;
e3c1cfc7 DK	60	}
e3c1cfc7 DK	61	/}}}/
c9443c01	62	pkgIndexFile::pkgIndexFile(bool const Trusted) : /{{{/
6c55f07a	63	d(NULL), Trusted(Trusted)
e3c1cfc7	64	{
b2e465d6 AL	65	}
b2e465d6 AL	66	/}}}/
b2e465d6	67	// IndexFile::ArchiveInfo - Stub /{{{/
c9443c01	68	std::string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator const &/Ver/) const
b2e465d6	69	{
8f3ba4e8	70	return std::string();
b2e465d6 AL	71	}
	72	/}}}/
	73	// IndexFile::FindInCache - Stub /{{{/
b2e465d6 AL	74	pkgCache::PkgFileIterator pkgIndexFile::FindInCache(pkgCache &Cache) const
	75	{
	76	return pkgCache::PkgFileIterator(Cache);
	77	}
	78	/}}}/
	79	// IndexFile::SourceIndex - Stub /{{{/
65512241 DK	80	std::string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &/Record/,
65512241 DK	81	pkgSrcRecords::File const &/File/) const
b2e465d6	82	{
8f3ba4e8	83	return std::string();
b2e465d6 AL	84	}
b2e465d6 AL	85	/}}}/
45df0ad2	86	// IndexFile::TranslationsAvailable - Check if will use Translation /{{{/
a52f938b OS	87	// ---------------------------------------------------------------------
a52f938b OS	88	/* */
45df0ad2 DK	89	bool pkgIndexFile::TranslationsAvailable() {
45df0ad2 DK	90	return (APT::Configuration::getLanguages().empty() != true);
a52f938b OS	91	}
a52f938b OS	92	/}}}/
45df0ad2	93	// IndexFile::CheckLanguageCode - Check the Language Code /{{{/
a52f938b	94	// ---------------------------------------------------------------------
45df0ad2 DK	95	/* No intern need for this method anymore as the check for correctness
	96	is already done in getLanguages(). Note also that this check is
	97	rather bad (doesn't take three character like ast into account).
	98	TODO: Remove method with next API break */
c9443c01	99	APT_DEPRECATED bool pkgIndexFile::CheckLanguageCode(const char * const Lang)
a52f938b OS	100	{
	101	if (strlen(Lang) == 2 \|\| (strlen(Lang) == 5 && Lang[2] == '_'))
	102	return true;
	103
	104	if (strcmp(Lang,"C") != 0)
	105	_error->Warning("Wrong language code %s", Lang);
	106
	107	return false;
	108	}
	109	/}}}/
45df0ad2	110	// IndexFile::LanguageCode - Return the Language Code /{{{/
a52f938b	111	// ---------------------------------------------------------------------
45df0ad2 DK	112	/* As we have now possibly more than one LanguageCode this method is
	113	supersided by a) private classmembers or b) getLanguages().
	114	TODO: Remove method with next API break */
453b82a3	115	APT_DEPRECATED std::string pkgIndexFile::LanguageCode() {
45df0ad2 DK	116	if (TranslationsAvailable() == false)
	117	return "";
	118	return APT::Configuration::getLanguages()[0];
a52f938b OS	119	}
a52f938b OS	120	/}}}/
e3c1cfc7 DK	121
	122	// IndexTarget - Constructor /{{{/
	123	IndexTarget::IndexTarget(std::string const &MetaKey, std::string const &ShortDesc,
	124	std::string const &LongDesc, std::string const &URI, bool const IsOptional,
653ef26c DK	125	bool const KeepCompressed, std::map<std::string, std::string> const &Options) :
	126	URI(URI), Description(LongDesc), ShortDesc(ShortDesc), MetaKey(MetaKey),
	127	IsOptional(IsOptional), KeepCompressed(KeepCompressed), Options(Options)
e3c1cfc7 DK	128	{
	129	}
	130	/}}}/
001c76fe	131	std::string IndexTarget::Option(OptionKeys const EnumKey) const /{{{/
e3c1cfc7	132	{
001c76fe DK	133	std::string Key;
	134	switch (EnumKey)
	135	{
	136	#define APT_CASE(X) case X: Key = #X; break
	137	APT_CASE(SITE);
	138	APT_CASE(RELEASE);
	139	APT_CASE(COMPONENT);
	140	APT_CASE(LANGUAGE);
	141	APT_CASE(ARCHITECTURE);
	142	APT_CASE(BASE_URI);
	143	APT_CASE(REPO_URI);
8881b11e	144	APT_CASE(TARGET_OF);
001c76fe DK	145	APT_CASE(CREATED_BY);
001c76fe DK	146	#undef APT_CASE
8881b11e	147	case FILENAME: return _config->FindDir("Dir::State::lists") + URItoFileName(URI);
3fd89e62 DK	148	case EXISTING_FILENAME:
	149	std::string const filename = Option(FILENAME);
	150	std::vector<std::string> const types = APT::Configuration::getCompressionTypes();
	151	for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
	152	{
	153	if (t->empty())
	154	continue;
	155	std::string const file = (t == "uncompressed") ? filename : (filename + "." + t);
	156	if (FileExists(file))
	157	return file;
	158	}
	159	return "";
001c76fe	160	}
e3c1cfc7 DK	161	std::map<std::string,std::string>::const_iterator const M = Options.find(Key);
	162	if (M == Options.end())
	163	return "";
	164	return M->second;
	165	}
	166	/}}}/
8881b11e DK	167	std::string IndexTarget::Format(std::string format) const /{{{/
	168	{
	169	for (std::map<std::string, std::string>::const_iterator O = Options.begin(); O != Options.end(); ++O)
	170	{
	171	format = SubstVar(format, std::string("$(") + O->first + ")", O->second);
	172	}
	173	format = SubstVar(format, "$(METAKEY)", MetaKey);
	174	format = SubstVar(format, "$(SHORTDESC)", ShortDesc);
	175	format = SubstVar(format, "$(DESCRIPTION)", Description);
	176	format = SubstVar(format, "$(URI)", URI);
	177	format = SubstVar(format, "$(FILENAME)", Option(IndexTarget::FILENAME));
	178	return format;
	179	}
	180	/}}}/
e3c1cfc7	181
c9443c01 DK	182	pkgDebianIndexTargetFile::pkgDebianIndexTargetFile(IndexTarget const &Target, bool const Trusted) :/{{{/
c9443c01 DK	183	pkgDebianIndexFile(Trusted), d(NULL), Target(Target)
e3c1cfc7 DK	184	{
	185	}
	186	/}}}/
c9443c01	187	std::string pkgDebianIndexTargetFile::ArchiveURI(std::string const &File) const/{{{/
e3c1cfc7	188	{
001c76fe	189	return Target.Option(IndexTarget::REPO_URI) + File;
e3c1cfc7 DK	190	}
e3c1cfc7 DK	191	/}}}/
c9443c01	192	std::string pkgDebianIndexTargetFile::Describe(bool const Short) const /{{{/
e3c1cfc7 DK	193	{
	194	if (Short)
	195	return Target.Description;
	196	return Target.Description + " (" + IndexFileName() + ")";
	197	}
	198	/}}}/
c9443c01	199	std::string pkgDebianIndexTargetFile::IndexFileName() const /{{{/
e3c1cfc7	200	{
8881b11e	201	std::string const s = Target.Option(IndexTarget::FILENAME);
e3c1cfc7 DK	202	if (FileExists(s))
	203	return s;
	204
	205	std::vector<std::string> types = APT::Configuration::getCompressionTypes();
	206	for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
	207	{
	208	std::string p = s + '.' + *t;
	209	if (FileExists(p))
	210	return p;
	211	}
	212	return s;
	213	}
	214	/}}}/
c9443c01	215	unsigned long pkgDebianIndexTargetFile::Size() const /{{{/
e3c1cfc7 DK	216	{
	217	unsigned long size = 0;
	218
	219	/* we need to ignore errors here; if the lists are absent, just return 0 */
	220	_error->PushToStack();
	221
	222	FileFd f(IndexFileName(), FileFd::ReadOnly, FileFd::Extension);
	223	if (!f.Failed())
	224	size = f.Size();
	225
	226	if (_error->PendingError() == true)
	227	size = 0;
	228	_error->RevertToStack();
	229
	230	return size;
	231	}
	232	/}}}/
c9443c01	233	bool pkgDebianIndexTargetFile::Exists() const /{{{/
e3c1cfc7 DK	234	{
	235	return FileExists(IndexFileName());
	236	}
	237	/}}}/
c9443c01 DK	238	std::string pkgDebianIndexTargetFile::GetArchitecture() const /{{{/
	239	{
	240	return Target.Option(IndexTarget::ARCHITECTURE);
	241	}
	242	/}}}/
	243	std::string pkgDebianIndexTargetFile::GetComponent() const /{{{/
	244	{
	245	return Target.Option(IndexTarget::COMPONENT);
	246	}
	247	/}}}/
	248	bool pkgDebianIndexTargetFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/{{{/
	249	{
	250	if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::Extension) == false)
	251	return _error->Error("Problem opening %s",FileName.c_str());
	252	return true;
	253	}
	254	/}}}/
	255	std::string pkgDebianIndexTargetFile::GetProgressDescription() const
	256	{
	257	return Target.Description;
	258	}
	259
	260	pkgDebianIndexRealFile::pkgDebianIndexRealFile(std::string const &File, bool const Trusted) :/{{{/
	261	pkgDebianIndexFile(Trusted), d(NULL), File(flAbsPath(File))
	262	{
	263	}
	264	/}}}/
	265	// IndexRealFile::Size - Return the size of the index /{{{/
	266	unsigned long pkgDebianIndexRealFile::Size() const
	267	{
	268	struct stat S;
	269	if (stat(File.c_str(),&S) != 0)
	270	return 0;
	271	return S.st_size;
	272	}
	273	/}}}/
	274	bool pkgDebianIndexRealFile::Exists() const /{{{/
	275	{
	276	return FileExists(File);
	277	}
	278	/}}}/
	279	std::string pkgDebianIndexRealFile::Describe(bool const /Short/) const/{{{/
	280	{
	281	return File;
	282	}
	283	/}}}/
	284	std::string pkgDebianIndexRealFile::ArchiveURI(std::string const &/File/) const/{{{/
	285	{
	286	return "file:" + File;
	287	}
	288	/}}}/
	289	std::string pkgDebianIndexRealFile::IndexFileName() const /{{{/
	290	{
	291	return File;
	292	}
	293	/}}}/
	294	std::string pkgDebianIndexRealFile::GetProgressDescription() const
	295	{
	296	return File;
	297	}
	298	bool pkgDebianIndexRealFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/{{{/
	299	{
	300	if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::None) == false)
	301	return _error->Error("Problem opening %s",FileName.c_str());
302	return true;
303	}
304	/}}}/
305
306	pkgDebianIndexFile::pkgDebianIndexFile(bool const Trusted) : pkgIndexFile(Trusted)
307	{
308	}
309	pkgDebianIndexFile::~pkgDebianIndexFile()
310	{
311	}
312	pkgCacheListParser * pkgDebianIndexFile::CreateListParser(FileFd &Pkg)
313	{
314	if (Pkg.IsOpen() == false)
315	return NULL;
316	_error->PushToStack();
7f8c0eed	317	pkgCacheListParser * const Parser = new debListParser(&Pkg);
c9443c01 DK	318	bool const newError = _error->PendingError();
	319	_error->MergeWithStack();
	320	return newError ? NULL : Parser;
	321	}
	322	bool pkgDebianIndexFile::Merge(pkgCacheGenerator &Gen,OpProgress * const Prog)
	323	{
	324	std::string const PackageFile = IndexFileName();
	325	FileFd Pkg;
	326	if (OpenListFile(Pkg, PackageFile) == false)
	327	return false;
	328	_error->PushToStack();
	329	std::unique_ptr<pkgCacheListParser> Parser(CreateListParser(Pkg));
	330	bool const newError = _error->PendingError();
	331	if (newError == false && Parser == nullptr)
	332	return true;
	333	if (Parser == NULL)
	334	return false;
	335
	336	if (Prog != NULL)
	337	Prog->SubProgress(0, GetProgressDescription());
	338
	339	if (Gen.SelectFile(PackageFile, *this, GetArchitecture(), GetComponent(), GetIndexFlags()) == false)
	340	return _error->Error("Problem with SelectFile %s",PackageFile.c_str());
	341
	342	// Store the IMS information
	343	pkgCache::PkgFileIterator File = Gen.GetCurFile();
	344	pkgCacheGenerator::Dynamic<pkgCache::PkgFileIterator> DynFile(File);
	345	File->Size = Pkg.FileSize();
	346	File->mtime = Pkg.ModificationTime();
	347
	348	if (Gen.MergeList(*Parser) == false)
	349	return _error->Error("Problem with MergeList %s",PackageFile.c_str());
	350	return true;
	351	}
	352	pkgCache::PkgFileIterator pkgDebianIndexFile::FindInCache(pkgCache &Cache) const
	353	{
	354	std::string const FileName = IndexFileName();
	355	pkgCache::PkgFileIterator File = Cache.FileBegin();
	356	for (; File.end() == false; ++File)
	357	{
	358	if (File.FileName() == NULL \|\| FileName != File.FileName())
	359	continue;
	360
	361	struct stat St;
	362	if (stat(File.FileName(),&St) != 0)
	363	{
	364	if (_config->FindB("Debug::pkgCacheGen", false))
	365	std::clog << "DebianIndexFile::FindInCache - stat failed on " << File.FileName() << std::endl;
	366	return pkgCache::PkgFileIterator(Cache);
	367	}
	368	if ((map_filesize_t)St.st_size != File->Size \|\| St.st_mtime != File->mtime)
	369	{
	370	if (_config->FindB("Debug::pkgCacheGen", false))
	371	std::clog << "DebianIndexFile::FindInCache - size (" << St.st_size << " <> " << File->Size
	372	<< ") or mtime (" << St.st_mtime << " <> " << File->mtime
	373	<< ") doesn't match for " << File.FileName() << std::endl;
	374	return pkgCache::PkgFileIterator(Cache);
	375	}
	376	return File;
	377	}
	378
	379	return File;
	380	}
c8a4ce6c DK	381
c8a4ce6c DK	382	APT_CONST pkgIndexFile::~pkgIndexFile() {}
c9443c01 DK	383	APT_CONST pkgDebianIndexTargetFile::~pkgDebianIndexTargetFile() {}
c9443c01 DK	384	APT_CONST pkgDebianIndexRealFile::~pkgDebianIndexRealFile() {}