diff options
| -rw-r--r-- | paludis/portage_repository.cc | 55 |
1 files changed, 52 insertions, 3 deletions
diff --git a/paludis/portage_repository.cc b/paludis/portage_repository.cc index f8a7289aa..7662bd2fc 100644 --- a/paludis/portage_repository.cc +++ b/paludis/portage_repository.cc @@ -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); } |