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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.
+ */
+
+/**
+ * @addtogroup data
+ */
+
+/**
+ * @file   timelog.h
+ * @author John Wiegley
+ *
+ * @ingroup data
+ */
+#ifndef _TIMELOG_H
+#define _TIMELOG_H
+
+#include "utils.h"
+#include "times.h"
+#include "item.h"
+
+namespace ledger {
+
+class account_t;
+class journal_t;
+
+class time_xact_t
+{
+public:
+  datetime_t  checkin;
+  account_t * account;
+  string      desc;
+  string      note;
+  position_t  position;
+
+  time_xact_t() : account(NULL) {
+    TRACE_CTOR(time_xact_t, "");
+  }
+  time_xact_t(const optional<position_t>& _position,
+	      const datetime_t&		  _checkin,
+	      account_t *		  _account = NULL,
+	      const string&		  _desc	   = "",
+	      const string&               _note    = "")
+    : checkin(_checkin), account(_account), desc(_desc), note(_note),
+      position(_position ? *_position : position_t()) {
+    TRACE_CTOR(time_xact_t,
+	       "position_t, datetime_t, account_t *, string, string");
+  }
+  time_xact_t(const time_xact_t& xact)
+    : checkin(xact.checkin), account(xact.account),
+      desc(xact.desc), note(xact.note), position(xact.position) {
+    TRACE_CTOR(time_xact_t, "copy");
+  }
+  ~time_xact_t() throw() {
+    TRACE_DTOR(time_xact_t);
+  }
+};
+
+class time_log_t
+{
+  std::list<time_xact_t> time_xacts;
+  journal_t&		 journal;
+
+public:
+  time_log_t(journal_t& _journal) : journal(_journal) {
+    TRACE_CTOR(time_log_t, "journal_t&");
+  }
+  ~time_log_t();
+
+  void clock_in(time_xact_t event);
+  void clock_out(time_xact_t event);
+};
+
+} // namespace ledger
+
+#endif // _TIMELOG_H