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|
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: sourcelist.cc,v 1.5 1998/07/26 04:49:33 jgg Exp $
/* ######################################################################
List of Sources
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
#ifdef __GNUG__
#pragma implementation "apt-pkg/sourcelist.h"
#endif
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/configuration.h>
#include <strutl.h>
#include <fstream.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
/*}}}*/
// SourceList::pkgSourceList - Constructors /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgSourceList::pkgSourceList()
{
}
pkgSourceList::pkgSourceList(string File)
{
Read(File);
}
/*}}}*/
// SourceList::ReadMainList - Read the main source list from etc /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::ReadMainList()
{
return Read(_config->FindDir("Dir::Etc::sourcelist"));
}
/*}}}*/
// SourceList::Read - Parse the sourcelist file /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::Read(string File)
{
// Open the stream for reading
ifstream F(File.c_str(),ios::in | ios::nocreate);
if (!F != 0)
return _error->Errno("ifstream::ifstream","Opening %s",File.c_str());
List.erase(List.begin(),List.end());
char Buffer[300];
int CurLine = 0;
while (F.eof() == false)
{
F.getline(Buffer,sizeof(Buffer));
CurLine++;
_strtabexpand(Buffer,sizeof(Buffer));
_strstrip(Buffer);
// Comment or blank
if (Buffer[0] == '#' || Buffer[0] == 0)
continue;
// Grok it
string Type;
string URI;
Item Itm;
char *C = Buffer;
if (ParseQuoteWord(C,Type) == false)
return _error->Error("Malformed line %u in source list %s (type)",CurLine,File.c_str());
if (ParseQuoteWord(C,URI) == false)
return _error->Error("Malformed line %u in source list %s (URI)",CurLine,File.c_str());
if (ParseQuoteWord(C,Itm.Dist) == false)
return _error->Error("Malformed line %u in source list %s (dist)",CurLine,File.c_str());
if (Itm.SetType(Type) == false)
return _error->Error("Malformed line %u in source list %s (type parse)",CurLine,File.c_str());
if (Itm.SetURI(URI) == false)
return _error->Error("Malformed line %u in source list %s (URI parse)",CurLine,File.c_str());
// Check for an absolute dists specification.
if (Itm.Dist.empty() == false && Itm.Dist[Itm.Dist.size() - 1] == '/')
{
if (ParseQuoteWord(C,Itm.Section) == true)
return _error->Error("Malformed line %u in source list %s (Absolute dist)",CurLine,File.c_str());
Itm.Dist = SubstVar(Itm.Dist,"$(ARCH)",_config->Find("APT::Architecture"));
List.push_back(Itm);
continue;
}
// Grab the rest of the dists
if (ParseQuoteWord(C,Itm.Section) == false)
return _error->Error("Malformed line %u in source list %s (dist parse)",CurLine,File.c_str());
do
{
List.push_back(Itm);
}
while (ParseQuoteWord(C,Itm.Section) == true);
}
return true;
}
/*}}}*/
// SourceList::Item << - Writes the item to a stream /*{{{*/
// ---------------------------------------------------------------------
/* This is not suitable for rebuilding the sourcelist file but it good for
debugging. */
ostream &operator <<(ostream &O,pkgSourceList::Item &Itm)
{
O << Itm.Type << ' ' << Itm.URI << ' ' << Itm.Dist << ' ' << Itm.Section;
return O;
}
/*}}}*/
// SourceList::Item::SetType - Sets the distribution type /*{{{*/
// ---------------------------------------------------------------------
/* */
bool pkgSourceList::Item::SetType(string S)
{
if (S == "deb")
{
Type = Deb;
return true;
}
return true;
}
/*}}}*/
// SourceList::Item::SetURI - Set the URI /*{{{*/
// ---------------------------------------------------------------------
/* For simplicity we strip the scheme off the uri */
bool pkgSourceList::Item::SetURI(string S)
{
if (S.empty() == true)
return false;
if (S.find(':') == string::npos)
return false;
S = SubstVar(S,"$(ARCH)",_config->Find("APT::Architecture"));
// Make sure that the URN is / postfixed
URI = S;
if (URI[URI.size() - 1] != '/')
URI += '/';
return true;
}
/*}}}*/
// SourceList::Item::PackagesURI - Returns a URI to the packages file /*{{{*/
// ---------------------------------------------------------------------
/* */
string pkgSourceList::Item::PackagesURI() const
{
string Res;
switch (Type)
{
case Deb:
if (Dist[Dist.size() - 1] == '/')
Res = URI + Dist;
else
Res = URI + "dists/" + Dist + '/' + Section +
"/binary-" + _config->Find("APT::Architecture") + '/';
Res += "Packages";
break;
};
return Res;
}
/*}}}*/
// SourceList::Item::PackagesInfo - Shorter version of the URI /*{{{*/
// ---------------------------------------------------------------------
/* This is a shorter version that is designed to be < 60 chars or so */
string pkgSourceList::Item::PackagesInfo() const
{
string Res;
switch (Type)
{
case Deb:
Res += SiteOnly(URI) + ' ';
if (Dist[Dist.size() - 1] == '/')
Res += Dist;
else
Res += Dist + '/' + Section;
Res += " Packages";
break;
};
return Res;
}
/*}}}*/
// SourceList::Item::ArchiveInfo - Shorter version of the archive spec /*{{{*/
// ---------------------------------------------------------------------
/* This is a shorter version that is designed to be < 60 chars or so */
string pkgSourceList::Item::ArchiveInfo(pkgCache::VerIterator Ver) const
{
string Res;
switch (Type)
{
case Deb:
Res += SiteOnly(URI) + ' ';
if (Dist[Dist.size() - 1] == '/')
Res += Dist;
else
Res += Dist + '/' + Section;
Res += " ";
Res += Ver.ParentPkg().Name();
break;
};
return Res;
}
/*}}}*/
// SourceList::Item::ArchiveURI - Returns a URI to the given archive /*{{{*/
// ---------------------------------------------------------------------
/* */
string pkgSourceList::Item::ArchiveURI(string File) const
{
string Res;
switch (Type)
{
case Deb:
Res = URI + File;
break;
};
return Res;
}
/*}}}*/
// SourceList::Item::SiteOnly - Strip off the path part of a URI /*{{{*/
// ---------------------------------------------------------------------
/* */
string pkgSourceList::Item::SiteOnly(string URI) const
{
unsigned int Pos = URI.find(':');
if (Pos == string::npos || Pos + 3 > URI.length())
return URI;
if (URI[Pos + 1] != '/' || URI[Pos + 2] != '/')
return URI;
Pos = URI.find('/',Pos + 3);
if (Pos == string::npos)
return URI;
return string(URI,0,Pos);
}
/*}}}*/
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