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+/* vim: set sw=4 sts=4 et foldmethod=syntax : */
+
+/*
+ * Copyright (c) 2006 Ciaran McCreesh <ciaranm@ciaranm.org>
+ *
+ * This file is part of the Paludis package manager. Paludis is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU General
+ * Public License version 2, as published by the Free Software Foundation.
+ *
+ * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef PALUDIS_GUARD_PALUDIS_CONTENTS_HH
+#define PALUDIS_GUARD_PALUDIS_CONTENTS_HH 1
+
+#include <paludis/util/visitor.hh>
+#include <paludis/util/counted_ptr.hh>
+#include <paludis/util/instantiation_policy.hh>
+#include <paludis/util/private_implementation_pattern.hh>
+#include <string>
+
+#include <libwrapiter/libwrapiter_forward_iterator.hh>
+
+/** \file
+ * Declarations for the Contents classes.
+ *
+ * \ingroup grpcontents
+ */
+
+namespace paludis
+{
+ struct ContentsEntry;
+ struct ContentsFileEntry;
+ struct ContentsDirEntry;
+ struct ContentsSymEntry;
+ struct ContentsMiscEntry;
+
+ /**
+ * Visit a contents heirarchy.
+ *
+ * \ingroup grpcontents
+ */
+ typedef VisitorTypes<ContentsFileEntry *, ContentsDirEntry *,
+ ContentsSymEntry *, ContentsMiscEntry *> ContentsVisitorTypes;
+
+ /**
+ * Base class for a contents entry.
+ *
+ * \ingroup grpcontents
+ */
+ class ContentsEntry :
+ private InstantiationPolicy<ContentsEntry, instantiation_method::NonCopyableTag>,
+ public InternalCounted<ContentsEntry>,
+ public virtual VisitableInterface<ContentsVisitorTypes>
+ {
+ private:
+ std::string _name;
+
+ protected:
+ ///\name Basic operations
+ ///\{
+
+ ContentsEntry(const std::string & our_name) :
+ _name(our_name)
+ {
+ }
+
+ ///\}
+
+ public:
+ ///\name Basic operations
+ ///\{
+
+ virtual ~ContentsEntry();
+
+ ///\}
+
+ /// Our name.
+ std::string name() const
+ {
+ return _name;
+ }
+ };
+
+ /**
+ * A file contents entry.
+ *
+ * \ingroup grpcontents
+ */
+ class ContentsFileEntry :
+ public ContentsEntry,
+ public Visitable<ContentsFileEntry, ContentsVisitorTypes>
+ {
+ public:
+ ///\name Basic operations
+ ///\{
+
+ ContentsFileEntry(const std::string & name);
+
+ ///\}
+ };
+
+ /**
+ * A directory contents entry.
+ *
+ * \ingroup grpcontents
+ */
+ class ContentsDirEntry :
+ public ContentsEntry,
+ public Visitable<ContentsDirEntry, ContentsVisitorTypes>
+ {
+ public:
+ ///\name Basic operations
+ ///\{
+
+ ContentsDirEntry(const std::string & name);
+
+ ///\}
+ };
+
+ /**
+ * A misc contents entry.
+ *
+ * \ingroup grpcontents
+ */
+ class ContentsMiscEntry :
+ public ContentsEntry,
+ public Visitable<ContentsMiscEntry, ContentsVisitorTypes>
+ {
+ public:
+ ///\name Basic operations
+ ///\{
+
+ ContentsMiscEntry(const std::string & name);
+
+ ///\}
+ };
+
+ /**
+ * A sym contents entry.
+ *
+ * \ingroup grpcontents
+ */
+ class ContentsSymEntry :
+ public ContentsEntry,
+ public Visitable<ContentsSymEntry, ContentsVisitorTypes>
+ {
+ private:
+ std::string _target;
+
+ public:
+ ///\name Basic operations
+ ///\{
+
+ ContentsSymEntry(const std::string & name, const std::string & target);
+
+ ///\}
+
+ /// Our target (as per readlink).
+ std::string target() const
+ {
+ return _target;
+ }
+ };
+
+ /**
+ * A package's contents.
+ *
+ * \ingroup grpcontents
+ */
+ class Contents :
+ private InstantiationPolicy<Contents, instantiation_method::NonCopyableTag>,
+ private PrivateImplementationPattern<Contents>,
+ public InternalCounted<Contents>
+ {
+ public:
+ ///\name Basic operations
+ ///\{
+
+ Contents();
+ ~Contents();
+
+ ///\}
+
+ /// Add a new entry.
+ void add(ContentsEntry::ConstPointer c);
+
+ ///\name Iterate over our entries
+ ///\{
+
+ typedef libwrapiter::ForwardIterator<Contents, const ContentsEntry::ConstPointer> Iterator;
+
+ Iterator begin() const;
+
+ Iterator end() const;
+
+ ///\}
+ };
+}
+
+#endif