[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/strutl.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);
      APT_CASE(PDIFFS);
      APT_CASE(DEFAULTENABLED);
      APT_CASE(COMPRESSIONTYPES);
      APT_CASE(SOURCESENTRY);
#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 = VectorizeString(Option(COMPRESSIONTYPES), ' ');
	 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;
}
									/*}}}*/
bool IndexTarget::OptionBool(OptionKeys const EnumKey) const		/*{{{*/
{
   return StringToBool(Option(EnumKey));
}
									/*}}}*/
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> const types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' ');
   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>
d7a51997	22	#include <apt-pkg/strutl.h>
c9443c01	23	#include <apt-pkg/progress.h>
453b82a3	24	#include <apt-pkg/macros.h>
a52f938b	25
c9443c01 DK	26	#include <apt-pkg/deblistparser.h>
c9443c01 DK	27
c9443c01	28	#include <sys/stat.h>
c9443c01	29
453b82a3 DK	30	#include <string>
453b82a3 DK	31	#include <vector>
a52f938b	32	#include <clocale>
4f333a8b	33	#include <cstring>
c9443c01	34	#include <memory>
b2e465d6 AL	35	/}}}/
	36
	37	// Global list of Item supported
	38	static pkgIndexFile::Type *ItmList[10];
	39	pkgIndexFile::Type **pkgIndexFile::Type::GlobalList = ItmList;
	40	unsigned long pkgIndexFile::Type::GlobalListLen = 0;
	41
	42	// Type::Type - Constructor /{{{/
	43	// ---------------------------------------------------------------------
	44	/* */
	45	pkgIndexFile::Type::Type()
	46	{
	47	ItmList[GlobalListLen] = this;
dd688285 DK	48	GlobalListLen++;
dd688285 DK	49	Label = NULL;
b2e465d6 AL	50	}
	51	/}}}/
	52	// Type::GetType - Locate the type by name /{{{/
	53	// ---------------------------------------------------------------------
	54	/* */
	55	pkgIndexFile::Type pkgIndexFile::Type::GetType(const char Type)
	56	{
	57	for (unsigned I = 0; I != GlobalListLen; I++)
	58	if (strcmp(GlobalList[I]->Label,Type) == 0)
	59	return GlobalList[I];
	60	return 0;
e3c1cfc7 DK	61	}
e3c1cfc7 DK	62	/}}}/
c9443c01	63	pkgIndexFile::pkgIndexFile(bool const Trusted) : /{{{/
6c55f07a	64	d(NULL), Trusted(Trusted)
e3c1cfc7	65	{
b2e465d6 AL	66	}
b2e465d6 AL	67	/}}}/
b2e465d6	68	// IndexFile::ArchiveInfo - Stub /{{{/
c9443c01	69	std::string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator const &/Ver/) const
b2e465d6	70	{
8f3ba4e8	71	return std::string();
b2e465d6 AL	72	}
	73	/}}}/
	74	// IndexFile::FindInCache - Stub /{{{/
b2e465d6 AL	75	pkgCache::PkgFileIterator pkgIndexFile::FindInCache(pkgCache &Cache) const
	76	{
	77	return pkgCache::PkgFileIterator(Cache);
	78	}
	79	/}}}/
	80	// IndexFile::SourceIndex - Stub /{{{/
65512241 DK	81	std::string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &/Record/,
65512241 DK	82	pkgSrcRecords::File const &/File/) const
b2e465d6	83	{
8f3ba4e8	84	return std::string();
b2e465d6 AL	85	}
b2e465d6 AL	86	/}}}/
45df0ad2	87	// IndexFile::TranslationsAvailable - Check if will use Translation /{{{/
a52f938b OS	88	// ---------------------------------------------------------------------
a52f938b OS	89	/* */
45df0ad2 DK	90	bool pkgIndexFile::TranslationsAvailable() {
45df0ad2 DK	91	return (APT::Configuration::getLanguages().empty() != true);
a52f938b OS	92	}
a52f938b OS	93	/}}}/
45df0ad2	94	// IndexFile::CheckLanguageCode - Check the Language Code /{{{/
a52f938b	95	// ---------------------------------------------------------------------
45df0ad2 DK	96	/* No intern need for this method anymore as the check for correctness
	97	is already done in getLanguages(). Note also that this check is
	98	rather bad (doesn't take three character like ast into account).
	99	TODO: Remove method with next API break */
c9443c01	100	APT_DEPRECATED bool pkgIndexFile::CheckLanguageCode(const char * const Lang)
a52f938b OS	101	{
	102	if (strlen(Lang) == 2 \|\| (strlen(Lang) == 5 && Lang[2] == '_'))
	103	return true;
	104
	105	if (strcmp(Lang,"C") != 0)
	106	_error->Warning("Wrong language code %s", Lang);
	107
	108	return false;
	109	}
	110	/}}}/
45df0ad2	111	// IndexFile::LanguageCode - Return the Language Code /{{{/
a52f938b	112	// ---------------------------------------------------------------------
45df0ad2 DK	113	/* As we have now possibly more than one LanguageCode this method is
	114	supersided by a) private classmembers or b) getLanguages().
	115	TODO: Remove method with next API break */
453b82a3	116	APT_DEPRECATED std::string pkgIndexFile::LanguageCode() {
45df0ad2 DK	117	if (TranslationsAvailable() == false)
	118	return "";
	119	return APT::Configuration::getLanguages()[0];
a52f938b OS	120	}
a52f938b OS	121	/}}}/
e3c1cfc7 DK	122
	123	// IndexTarget - Constructor /{{{/
	124	IndexTarget::IndexTarget(std::string const &MetaKey, std::string const &ShortDesc,
	125	std::string const &LongDesc, std::string const &URI, bool const IsOptional,
653ef26c DK	126	bool const KeepCompressed, std::map<std::string, std::string> const &Options) :
	127	URI(URI), Description(LongDesc), ShortDesc(ShortDesc), MetaKey(MetaKey),
	128	IsOptional(IsOptional), KeepCompressed(KeepCompressed), Options(Options)
e3c1cfc7 DK	129	{
	130	}
	131	/}}}/
001c76fe	132	std::string IndexTarget::Option(OptionKeys const EnumKey) const /{{{/
e3c1cfc7	133	{
001c76fe DK	134	std::string Key;
	135	switch (EnumKey)
	136	{
	137	#define APT_CASE(X) case X: Key = #X; break
	138	APT_CASE(SITE);
	139	APT_CASE(RELEASE);
	140	APT_CASE(COMPONENT);
	141	APT_CASE(LANGUAGE);
	142	APT_CASE(ARCHITECTURE);
	143	APT_CASE(BASE_URI);
	144	APT_CASE(REPO_URI);
8881b11e	145	APT_CASE(TARGET_OF);
001c76fe	146	APT_CASE(CREATED_BY);
1a3a14ac	147	APT_CASE(PDIFFS);
9adb9778	148	APT_CASE(DEFAULTENABLED);
d7a51997	149	APT_CASE(COMPRESSIONTYPES);
3090ae69	150	APT_CASE(SOURCESENTRY);
001c76fe	151	#undef APT_CASE
8881b11e	152	case FILENAME: return _config->FindDir("Dir::State::lists") + URItoFileName(URI);
3fd89e62 DK	153	case EXISTING_FILENAME:
3fd89e62 DK	154	std::string const filename = Option(FILENAME);
d7a51997	155	std::vector<std::string> const types = VectorizeString(Option(COMPRESSIONTYPES), ' ');
3fd89e62 DK	156	for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
	157	{
	158	if (t->empty())
	159	continue;
	160	std::string const file = (t == "uncompressed") ? filename : (filename + "." + t);
	161	if (FileExists(file))
	162	return file;
	163	}
	164	return "";
001c76fe	165	}
e3c1cfc7 DK	166	std::map<std::string,std::string>::const_iterator const M = Options.find(Key);
	167	if (M == Options.end())
	168	return "";
	169	return M->second;
	170	}
	171	/}}}/
1a3a14ac DK	172	bool IndexTarget::OptionBool(OptionKeys const EnumKey) const /{{{/
	173	{
	174	return StringToBool(Option(EnumKey));
	175	}
	176	/}}}/
8881b11e DK	177	std::string IndexTarget::Format(std::string format) const /{{{/
	178	{
	179	for (std::map<std::string, std::string>::const_iterator O = Options.begin(); O != Options.end(); ++O)
	180	{
	181	format = SubstVar(format, std::string("$(") + O->first + ")", O->second);
	182	}
	183	format = SubstVar(format, "$(METAKEY)", MetaKey);
	184	format = SubstVar(format, "$(SHORTDESC)", ShortDesc);
	185	format = SubstVar(format, "$(DESCRIPTION)", Description);
	186	format = SubstVar(format, "$(URI)", URI);
	187	format = SubstVar(format, "$(FILENAME)", Option(IndexTarget::FILENAME));
	188	return format;
	189	}
	190	/}}}/
e3c1cfc7	191
c9443c01 DK	192	pkgDebianIndexTargetFile::pkgDebianIndexTargetFile(IndexTarget const &Target, bool const Trusted) :/{{{/
c9443c01 DK	193	pkgDebianIndexFile(Trusted), d(NULL), Target(Target)
e3c1cfc7 DK	194	{
	195	}
	196	/}}}/
c9443c01	197	std::string pkgDebianIndexTargetFile::ArchiveURI(std::string const &File) const/{{{/
e3c1cfc7	198	{
001c76fe	199	return Target.Option(IndexTarget::REPO_URI) + File;
e3c1cfc7 DK	200	}
e3c1cfc7 DK	201	/}}}/
c9443c01	202	std::string pkgDebianIndexTargetFile::Describe(bool const Short) const /{{{/
e3c1cfc7 DK	203	{
	204	if (Short)
	205	return Target.Description;
	206	return Target.Description + " (" + IndexFileName() + ")";
	207	}
	208	/}}}/
c9443c01	209	std::string pkgDebianIndexTargetFile::IndexFileName() const /{{{/
e3c1cfc7	210	{
8881b11e	211	std::string const s = Target.Option(IndexTarget::FILENAME);
e3c1cfc7 DK	212	if (FileExists(s))
	213	return s;
	214
d7a51997	215	std::vector<std::string> const types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' ');
e3c1cfc7 DK	216	for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
	217	{
	218	std::string p = s + '.' + *t;
	219	if (FileExists(p))
	220	return p;
	221	}
	222	return s;
	223	}
	224	/}}}/
c9443c01	225	unsigned long pkgDebianIndexTargetFile::Size() const /{{{/
e3c1cfc7 DK	226	{
	227	unsigned long size = 0;
	228
	229	/* we need to ignore errors here; if the lists are absent, just return 0 */
	230	_error->PushToStack();
	231
	232	FileFd f(IndexFileName(), FileFd::ReadOnly, FileFd::Extension);
	233	if (!f.Failed())
	234	size = f.Size();
	235
	236	if (_error->PendingError() == true)
	237	size = 0;
	238	_error->RevertToStack();
	239
	240	return size;
	241	}
	242	/}}}/
c9443c01	243	bool pkgDebianIndexTargetFile::Exists() const /{{{/
e3c1cfc7 DK	244	{
	245	return FileExists(IndexFileName());
	246	}
	247	/}}}/
c9443c01 DK	248	std::string pkgDebianIndexTargetFile::GetArchitecture() const /{{{/
	249	{
	250	return Target.Option(IndexTarget::ARCHITECTURE);
	251	}
	252	/}}}/
	253	std::string pkgDebianIndexTargetFile::GetComponent() const /{{{/
	254	{
	255	return Target.Option(IndexTarget::COMPONENT);
	256	}
	257	/}}}/
	258	bool pkgDebianIndexTargetFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/{{{/
	259	{
	260	if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::Extension) == false)
	261	return _error->Error("Problem opening %s",FileName.c_str());
	262	return true;
	263	}
	264	/}}}/
	265	std::string pkgDebianIndexTargetFile::GetProgressDescription() const
	266	{
	267	return Target.Description;
	268	}
	269
	270	pkgDebianIndexRealFile::pkgDebianIndexRealFile(std::string const &File, bool const Trusted) :/{{{/
	271	pkgDebianIndexFile(Trusted), d(NULL), File(flAbsPath(File))
	272	{
	273	}
	274	/}}}/
	275	// IndexRealFile::Size - Return the size of the index /{{{/
	276	unsigned long pkgDebianIndexRealFile::Size() const
	277	{
	278	struct stat S;
	279	if (stat(File.c_str(),&S) != 0)
	280	return 0;
	281	return S.st_size;
	282	}
	283	/}}}/
	284	bool pkgDebianIndexRealFile::Exists() const /{{{/
	285	{
	286	return FileExists(File);
	287	}
	288	/}}}/
	289	std::string pkgDebianIndexRealFile::Describe(bool const /Short/) const/{{{/
	290	{
	291	return File;
	292	}
	293	/}}}/
	294	std::string pkgDebianIndexRealFile::ArchiveURI(std::string const &/File/) const/{{{/
	295	{
	296	return "file:" + File;
	297	}
	298	/}}}/
	299	std::string pkgDebianIndexRealFile::IndexFileName() const /{{{/
	300	{
	301	return File;
	302	}
	303	/}}}/
	304	std::string pkgDebianIndexRealFile::GetProgressDescription() const
	305	{
	306	return File;
	307	}
	308	bool pkgDebianIndexRealFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/{{{/
	309	{
	310	if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::None) == false)
	311	return _error->Error("Problem opening %s",FileName.c_str());
312	return true;
313	}
314	/}}}/
315
316	pkgDebianIndexFile::pkgDebianIndexFile(bool const Trusted) : pkgIndexFile(Trusted)
317	{
318	}
319	pkgDebianIndexFile::~pkgDebianIndexFile()
320	{
321	}
322	pkgCacheListParser * pkgDebianIndexFile::CreateListParser(FileFd &Pkg)
323	{
324	if (Pkg.IsOpen() == false)
325	return NULL;
326	_error->PushToStack();
7f8c0eed	327	pkgCacheListParser * const Parser = new debListParser(&Pkg);
c9443c01 DK	328	bool const newError = _error->PendingError();
	329	_error->MergeWithStack();
	330	return newError ? NULL : Parser;
	331	}
	332	bool pkgDebianIndexFile::Merge(pkgCacheGenerator &Gen,OpProgress * const Prog)
	333	{
	334	std::string const PackageFile = IndexFileName();
	335	FileFd Pkg;
	336	if (OpenListFile(Pkg, PackageFile) == false)
	337	return false;
	338	_error->PushToStack();
	339	std::unique_ptr<pkgCacheListParser> Parser(CreateListParser(Pkg));
	340	bool const newError = _error->PendingError();
	341	if (newError == false && Parser == nullptr)
	342	return true;
	343	if (Parser == NULL)
	344	return false;
	345
	346	if (Prog != NULL)
	347	Prog->SubProgress(0, GetProgressDescription());
	348
	349	if (Gen.SelectFile(PackageFile, *this, GetArchitecture(), GetComponent(), GetIndexFlags()) == false)
	350	return _error->Error("Problem with SelectFile %s",PackageFile.c_str());
	351
	352	// Store the IMS information
	353	pkgCache::PkgFileIterator File = Gen.GetCurFile();
	354	pkgCacheGenerator::Dynamic<pkgCache::PkgFileIterator> DynFile(File);
	355	File->Size = Pkg.FileSize();
	356	File->mtime = Pkg.ModificationTime();
	357
	358	if (Gen.MergeList(*Parser) == false)
	359	return _error->Error("Problem with MergeList %s",PackageFile.c_str());
	360	return true;
	361	}
	362	pkgCache::PkgFileIterator pkgDebianIndexFile::FindInCache(pkgCache &Cache) const
	363	{
	364	std::string const FileName = IndexFileName();
	365	pkgCache::PkgFileIterator File = Cache.FileBegin();
	366	for (; File.end() == false; ++File)
	367	{
	368	if (File.FileName() == NULL \|\| FileName != File.FileName())
	369	continue;
	370
	371	struct stat St;
	372	if (stat(File.FileName(),&St) != 0)
	373	{
	374	if (_config->FindB("Debug::pkgCacheGen", false))
	375	std::clog << "DebianIndexFile::FindInCache - stat failed on " << File.FileName() << std::endl;
	376	return pkgCache::PkgFileIterator(Cache);
	377	}
	378	if ((map_filesize_t)St.st_size != File->Size \|\| St.st_mtime != File->mtime)
	379	{
	380	if (_config->FindB("Debug::pkgCacheGen", false))
	381	std::clog << "DebianIndexFile::FindInCache - size (" << St.st_size << " <> " << File->Size
	382	<< ") or mtime (" << St.st_mtime << " <> " << File->mtime
	383	<< ") doesn't match for " << File.FileName() << std::endl;
	384	return pkgCache::PkgFileIterator(Cache);
	385	}
	386	return File;
	387	}
	388
	389	return File;
	390	}
c8a4ce6c DK	391
c8a4ce6c DK	392	APT_CONST pkgIndexFile::~pkgIndexFile() {}
c9443c01 DK	393	APT_CONST pkgDebianIndexTargetFile::~pkgDebianIndexTargetFile() {}
c9443c01 DK	394	APT_CONST pkgDebianIndexRealFile::~pkgDebianIndexRealFile() {}