Move PackageDatabase methods into Environment

3 files changed, 163 insertions, 1 deletions

diff --git a/paludis/environment.hh b/paludis/environment.hh
index 8fed149..953f961 100644
--- a/paludis/environment.hh
+++ b/paludis/environment.hh
@@ -40,6 +40,7 @@
 #include <paludis/choice-fwd.hh>
 #include <paludis/create_output_manager_info-fwd.hh>
 #include <paludis/notifier_callback-fwd.hh>
+#include <paludis/filter-fwd.hh>
 
 /** \file
  * Declarations for the Environment class.
@@ -76,6 +77,9 @@ namespace paludis
     class PALUDIS_VISIBLE Environment :
         public MetadataKeyHolder
     {
+        private:
+            static const Filter & all_filter() PALUDIS_ATTRIBUTE((warn_unused_result));
+
         public:
             ///\name Basic operations
             ///\{
@@ -537,6 +541,83 @@ namespace paludis
             virtual void trigger_notifier_callback(const NotifierCallbackEvent &) const = 0;
 
             ///\}
+
+            ///\name Repositories
+            ///\{
+
+            /**
+             * Add a repository.
+             *
+             * \since 0.61 is in Environment rather than PackageDatabase
+             *
+             * \exception DuplicateRepositoryError if a Repository with the
+             * same name as the new Repository already exists in our
+             * collection.
+             */
+            virtual void add_repository(int importance, const std::shared_ptr<Repository> &) = 0;
+
+            /**
+             * Fetch a named repository.
+             *
+             * \since 0.61 is in Environment rather than PackageDatabase
+             */
+            virtual const std::shared_ptr<const Repository> fetch_repository(const RepositoryName &) const
+                PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
+
+            /**
+             * Fetch a named repository.
+             *
+             * \since 0.61 is in Environment rather than PackageDatabase
+             */
+            virtual const std::shared_ptr<Repository> fetch_repository(const RepositoryName &)
+                PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
+
+            /**
+             * Do we have a named repository?
+             *
+             * \since 0.61 is in Environment rather than PackageDatabase
+             */
+            virtual bool has_repository_named(const RepositoryName &) const
+                PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
+
+            /**
+             * Disambiguate a package name.  If a filter is specified,
+             * limit the potential results to packages that match.
+             *
+             * \throw AmbiguousPackageNameError if there is no unambiguous
+             * disambiguation. If disambiguate is set to false, the
+             * exception will be always thrown in presence of ambiguity.
+             * \since 0.56 takes the disambiguate flag.
+             *
+             * \since 0.61 is in Environment rather than PackageDatabase
+             */
+            virtual QualifiedPackageName fetch_unique_qualified_package_name(
+                    const PackageNamePart &, const Filter & = all_filter(), const bool disambiguate = true) const
+                PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
+
+            /**
+             * Return true if the first repository is more important than the second.
+             *
+             * \since 0.61 is in Environment rather than PackageDatabase
+             */
+            virtual bool more_important_than(const RepositoryName &, const RepositoryName &) const
+                PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
+
+            ///\}
+
+            ///\name Iterate over our repositories
+            ///\{
+
+            struct RepositoryConstIteratorTag;
+            typedef WrappedForwardIterator<RepositoryConstIteratorTag, const std::shared_ptr<Repository> > RepositoryConstIterator;
+
+            virtual RepositoryConstIterator begin_repositories() const
+                PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
+
+            virtual RepositoryConstIterator end_repositories() const
+                PALUDIS_ATTRIBUTE((warn_unused_result)) = 0;
+
+            ///\}
     };
 
     extern template class Pimp<CreateOutputManagerForRepositorySyncInfo>;
diff --git a/paludis/environment_implementation.cc b/paludis/environment_implementation.cc
index dda236a..13975fd 100644
--- a/paludis/environment_implementation.cc
+++ b/paludis/environment_implementation.cc
@@ -33,7 +33,7 @@
 #include <paludis/util/sequence.hh>
 #include <paludis/util/mutex.hh>
 #include <paludis/util/member_iterator-impl.hh>
-#include <paludis/util/wrapped_forward_iterator.hh>
+#include <paludis/util/wrapped_forward_iterator-impl.hh>
 #include <paludis/util/wrapped_output_iterator.hh>
 #include <paludis/util/pimp-impl.hh>
 #include <paludis/util/make_null_shared_ptr.hh>
@@ -110,6 +110,12 @@ namespace
 namespace paludis
 {
     template <>
+    struct WrappedForwardIteratorTraits<Environment::RepositoryConstIteratorTag>
+    {
+        typedef PackageDatabase::RepositoryConstIterator UnderlyingIterator;
+    };
+
+    template <>
     struct Imp<EnvironmentImplementation>
     {
         std::map<unsigned, NotifierCallbackFunction> notifier_callbacks;
@@ -358,8 +364,59 @@ EnvironmentImplementation::set_always_exists(const SetName & s) const
         add_set(s, SetName(stringify(s) + "::default"), make_empty_set, true);
 }
 
+void
+EnvironmentImplementation::add_repository(int importance, const std::shared_ptr<Repository> & repository)
+{
+    package_database()->add_repository(importance, repository);
+}
+
+const std::shared_ptr<const Repository>
+EnvironmentImplementation::fetch_repository(const RepositoryName & name) const
+{
+    return package_database()->fetch_repository(name);
+}
+
+const std::shared_ptr<Repository>
+EnvironmentImplementation::fetch_repository(const RepositoryName & name)
+{
+    return package_database()->fetch_repository(name);
+}
+
+bool
+EnvironmentImplementation::has_repository_named(const RepositoryName & name) const
+{
+    return package_database()->has_repository_named(name);
+}
+
+QualifiedPackageName
+EnvironmentImplementation::fetch_unique_qualified_package_name(const PackageNamePart & name,
+        const Filter & filter, const bool disambiguate) const
+{
+    return package_database()->fetch_unique_qualified_package_name(name, filter, disambiguate);
+}
+
+bool
+EnvironmentImplementation::more_important_than(const RepositoryName & a, const RepositoryName & b) const
+{
+    return package_database()->more_important_than(a, b);
+}
+
+EnvironmentImplementation::RepositoryConstIterator
+EnvironmentImplementation::begin_repositories() const
+{
+    return package_database()->begin_repositories();
+}
+
+EnvironmentImplementation::RepositoryConstIterator
+EnvironmentImplementation::end_repositories() const
+{
+    return package_database()->end_repositories();
+}
+
 DuplicateSetError::DuplicateSetError(const SetName & s) throw () :
     Exception("A set named '" + stringify(s) + "' already exists")
 {
 }
 
+template class WrappedForwardIterator<Environment::RepositoryConstIteratorTag, const std::shared_ptr<Repository> >;
+
diff --git a/paludis/environment_implementation.hh b/paludis/environment_implementation.hh
index 04fff5b..6a4fba7 100644
--- a/paludis/environment_implementation.hh
+++ b/paludis/environment_implementation.hh
@@ -110,6 +110,30 @@ namespace paludis
 
             virtual void remove_selection_cache(
                     const std::shared_ptr<const SelectionCache> &);
+
+            virtual void add_repository(int importance, const std::shared_ptr<Repository> &);
+
+            virtual const std::shared_ptr<const Repository> fetch_repository(const RepositoryName &) const
+                PALUDIS_ATTRIBUTE((warn_unused_result));
+
+            virtual const std::shared_ptr<Repository> fetch_repository(const RepositoryName &)
+                PALUDIS_ATTRIBUTE((warn_unused_result));
+
+            virtual bool has_repository_named(const RepositoryName &) const
+                PALUDIS_ATTRIBUTE((warn_unused_result));
+
+            virtual QualifiedPackageName fetch_unique_qualified_package_name(
+                    const PackageNamePart &, const Filter &, const bool disambiguate) const
+                PALUDIS_ATTRIBUTE((warn_unused_result));
+
+            virtual bool more_important_than(const RepositoryName &, const RepositoryName &) const
+                PALUDIS_ATTRIBUTE((warn_unused_result));
+
+            virtual RepositoryConstIterator begin_repositories() const
+                PALUDIS_ATTRIBUTE((warn_unused_result));
+
+            virtual RepositoryConstIterator end_repositories() const
+                PALUDIS_ATTRIBUTE((warn_unused_result));
     };
 
     class PALUDIS_VISIBLE DuplicateSetError :