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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef ADC_TKPSTAMA_HXX
+#define ADC_TKPSTAMA_HXX
+
+// USED SERVICES
+ // BASE CLASSES
+#include <tokens/tkpcontx.hxx>
+ // COMPONENTS
+#include <tokens/stmstarr.hxx>
+#include <tokens/stmstfin.hxx>
+
+/** @descr
+ This state-machine models state transitions from one state to another
+ per indices of branches. If the indices represent ascii-char-values,
+ the state-machine can be used for recognising tokens of text.
+
+ The state-machine can be a status itself.
+
+ StateMachine needs the array-size of all stati as a guess, how many stati
+ the state machine will contain, when at work.
+
+
+**/
+class StateMachine
+{
+ public:
+ // Types
+ typedef StmStatus::Branch Branch;
+ typedef StmStatus * * StatusList;
+
+ //# Interface self
+ // LIFECYCLE
+ StateMachine(
+ intt in_nStatusSize,
+ intt in_nInitial_StatusListSize ); /// The user of the constructor should guess
+ /// the approximate number of stati here to
+ /// avoid multiple reallocations.
+ /// @#AddStatus
+ intt AddStatus( /// @return the new #Status' ID
+ DYN StmStatus * let_dpStatus);
+ /// @#AddToken
+ void AddToken(
+ const char * in_sToken,
+ TextToken::F_CRTOK in_fTokenCreateFunction,
+ const INT16 * in_aBranches,
+ INT16 in_nBoundsStatus );
+ ~StateMachine();
+
+
+ // OPERATIONS
+ StmBoundsStatus &
+ GetCharChain(
+ TextToken::F_CRTOK &
+ o_nTokenCreateFunction,
+ CharacterSource & io_rText );
+ private:
+ // SERVICE FUNCTIONS
+ StmStatus & Status(
+ intt in_nStatusNr) const;
+ StmArrayStatus &
+ CurrentStatus() const;
+ StmBoundsStatus *
+ BoundsStatus() const;
+
+ /// Sets the PeekedStatus.
+ void Peek(
+ intt in_nBranch);
+
+ void ResizeStati(); // Adds space for 32 stati.
+
+ // DATA
+ StatusList pStati; /// List of Status, implemented as simple C-array of length #nStatiSpace
+ /// with nStatiLength valid members (beginning from zero).
+ intt nCurrentStatus;
+ intt nPeekedStatus;
+
+ intt nStatusSize; /// Size of the branch array of a single status.
+
+ intt nNrofStati; /// Nr of Stati so far.
+ intt nStatiSpace; /// Size of allocated array for #pStati (size in items).
+};
+
+
+
+/** @#AddToken
+ @descr
+ Adds a token, which will be recogniszeds by the
+ statemachine.
+
+
+**/
+
+
+
+#endif
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */