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-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * This file incorporates work covered by the following license notice:
- *
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed
- * with this work for additional information regarding copyright
- * ownership. The ASF licenses this file to you under the Apache
- * License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.apache.org/licenses/LICENSE-2.0 .
- */
-
-#ifndef ADC_TKPCONTX_HXX
-#define ADC_TKPCONTX_HXX
-
-// USED SERVICES
- // BASE CLASSES
- // COMPONENTS
- // PARAMETERS
-#include <tokens/token.hxx>
-class CharacterSource;
-class TkpNullContext;
-
-/** @task
- Specifies a context within which tokens are interpreted in a special
- way. For example in parsing C++ there could be a context for code,
- one for comments and a third one for preprocessor statements, because
- each of these would give the same token different meanings.
-
- The three functions
- ReadCharChain()
- PassNewToken()
- FollowUpContext()
- have to be called in this sequence.
-
-**/
-class TkpContext
-{
- public:
- // LIFECYCLE
- virtual ~TkpContext() {}
-
- // OPERATIONS
- /** @descr
- The functions starts to parse with the CurChar() of io_rText.
- It leaves io_rText.CurChar() at the first char of the following Token or
- the following Context.
-
- This function returns, when a context has parsed some characterss
- and completed a token OR left the context.
- If the token is to be ignored, it is cut from io_rText.
-
- If the token is to be parsed further in a different context,
- it is NOT cut from io_rText.
-
- After this function PassNewToken() has to be called.
-
- If the function has found a valid and complete token, PassNewToken()
- passes the parsed token to the internally known receiver and
- returns true. The token is cut from io_rText.
- **/
- virtual void ReadCharChain(
- CharacterSource & io_rText ) = 0;
- /** Has to pass the parsed token to a known receiver.
- If the token is to be parsed further in a different context,
- PassNewToken() returns false, but the token is NOT cut from io_rText.
-
- @return true, if a token was passed.
- false, if the token was not parsed completely by this context
- or if the token is to be ignored.
- */
- virtual bool PassNewToken() = 0;
- virtual TkpContext &
- FollowUpContext() = 0;
-};
-
-class StateMachineContext
-{
- public:
- typedef TextToken::F_CRTOK F_CRTOK;
-
- virtual ~StateMachineContext() {}
-
- virtual void PerformStatusFunction(
- uintt i_nStatusSignal,
- F_CRTOK i_fTokenCreateFunction,
- CharacterSource & io_rText ) = 0;
-};
-
-class TkpNullContext : public TkpContext
-{
- public:
- ~TkpNullContext();
-
- virtual void ReadCharChain(
- CharacterSource & io_rText );
- virtual bool PassNewToken();
- virtual TkpContext &
- FollowUpContext();
-};
-
-namespace autodoc
-{
-
-class TkpDocuContext : public TkpContext
-{
- public:
- virtual void SetParentContext(
- TkpContext & io_rParentContext,
- const char * i_sMultiLineEndToken ) = 0;
- virtual void AssignDealer(
- TokenDealer & o_rDealer ) = 0;
- virtual void SetMode_IsMultiLine(
- bool i_bTrue ) = 0;
-};
-
-} // namespace autodoc
-
-#endif
-
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */