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Initial use.mask support for Portage repositories

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This commit is contained in:
Ciaran McCreesh 2006-01-17 03:08:03 +00:00
parent 093e77ffc9
commit 257c29ad4b
1 changed files with 52 additions and 3 deletions
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55
paludis/portage_repository.cc
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@ -75,6 +75,11 @@ namespace paludis
/// Have repository mask?
mutable bool has_repo_mask;
/// Use mask.
mutable std::set<UseFlagName> use_mask;
mutable bool has_use_mask;
/// Constructor.
Implementation(const FSEntry & l, const FSEntry & p) :
location(l),
@ -83,9 +88,47 @@ namespace paludis
has_repo_mask(false)
{
}
/// Add a use.mask file from a profile directory, recursive.
void add_use_mask(const FSEntry & f) const;
};
}
void
Implementation<PortageRepository>::add_use_mask(const FSEntry & f) const
{
Context context("When reading profile directory '" + stringify(f) + "':");
if (! f.is_directory())
throw InternalError(__PRETTY_FUNCTION__, "todo"); /// \bug exception
if ((f / "parent").exists())
{
std::ifstream parent_file(stringify(f / "parent").c_str());
if (! parent_file)
throw InternalError(__PRETTY_FUNCTION__, "todo"); /// \bug exception
LineConfigFile parent(&parent_file);
if (parent.begin() != parent.end())
add_use_mask((f / *parent.begin()).realpath());
else
throw InternalError(__PRETTY_FUNCTION__, "todo"); /// \bug exception
}
if ((f / "use.mask").exists())
{
std::ifstream use_mask_file(stringify(f / "use.mask").c_str());
if (! use_mask_file)
throw InternalError(__PRETTY_FUNCTION__, "todo"); /// \bug exception
LineConfigFile use_mask_f(&use_mask_file);
for (LineConfigFile::Iterator line(use_mask_f.begin()), line_end(use_mask_f.end()) ;
line != line_end ; ++line)
if ('-' == line->at(0))
use_mask.erase(UseFlagName(line->substr(1)));
else
use_mask.insert(UseFlagName(*line));
}
}
PortageRepository::PortageRepository(const FSEntry & location, const FSEntry & profile) :
Repository(PortageRepository::fetch_repo_name(location)),
PrivateImplementationPattern<PortageRepository>(new Implementation<PortageRepository>(location, profile))
@ -412,9 +455,15 @@ PortageRepository::do_query_use(const UseFlagName &, const bool & d) const
}
bool
PortageRepository::do_query_use_mask(const UseFlagName &) const
PortageRepository::do_query_use_mask(const UseFlagName & u) const
{
/// \todo;
return false;
if (! _implementation->has_use_mask)
{
Context context("When checking USE mask for '" + stringify(u) + "':");
_implementation->add_use_mask(_implementation->profile.realpath());
_implementation->has_use_mask = true;
}
return _implementation->use_mask.end() != _implementation->use_mask.find(u);
}