Create a --cache option, for using a binary cache

1 files changed, 105 insertions, 0 deletions

diff --git a/src/archive.h b/src/archive.h
new file mode 100644
index 00000000..77272dbe
--- /dev/null
+++ b/src/archive.h
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+/*
+ * Copyright (c) 2003-2009, John Wiegley.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of New Artisans LLC nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @defgroup report Reporting
+ */
+
+/**
+ * @file   archive.h
+ * @author John Wiegley
+ *
+ * @ingroup report
+ *
+ * @brief Brief
+ *
+ * Long.
+ */
+#ifndef _ARCHIVE_H
+#define _ARCHIVE_H
+
+#include "journal.h"
+
+namespace ledger {
+
+/**
+ * @brief Brief
+ *
+ * Long.
+ */
+class archive_t
+{
+  path	   file;
+  uint32_t version;
+
+  std::list<journal_t::fileinfo_t> sources;
+
+public:
+  archive_t() {
+    TRACE_CTOR(archive_t, "");
+  }
+  archive_t(const path& _file)
+    : file(_file), version(0) {
+    TRACE_CTOR(archive_t, "const path&");
+  }
+  archive_t(const archive_t& ar)
+    : file(ar.file), version(0) {
+    TRACE_CTOR(archive_t, "copy");
+  }
+  ~archive_t() {
+    TRACE_DTOR(archive_t);
+  }
+
+  void read_header();
+
+  bool should_load(const std::list<path>& data_files);
+  bool should_save(shared_ptr<journal_t> journal);
+
+  void save(shared_ptr<journal_t> journal);
+  bool load(shared_ptr<journal_t> journal);
+
+#if defined(HAVE_BOOST_SERIALIZATION)
+private:
+  /** Serialization. */
+
+  friend class boost::serialization::access;
+
+  template<class Archive>
+  void serialize(Archive & ar, const unsigned int /* version */) {
+    ar & version;
+    ar & sources;
+  }
+#endif // HAVE_BOOST_SERIALIZATION
+};
+
+} // namespace ledger
+
+#endif // _ARCHIVE_H