mirror of
git://git.code.sf.net/p/cdesktopenv/code
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115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* $XConsortium: Task.h /main/2 1996/07/18 15:23:13 drk $ */
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#ifndef __Task_h
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#define __Task_h
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#include <stddef.h>
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#include "dti_excs/Exceptions.hh"
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class Unexpected : public Exception{
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public:
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/* BEWARE! we keep a pointer to the string without copying it! */
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Unexpected(const char *msg) { msg_ = msg; };
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const char *msg(void) { return msg_; };
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DECLARE_EXCEPTION(Unexpected, Exception)
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private:
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const char *msg_;
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};
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class Token;
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class Task{
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public:
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virtual ~Task() {};
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virtual void markup(const Token& t) = 0 /* throw(Unexpected) */;
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virtual void data(const char *chars,
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size_t len) = 0;
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};
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class ComplexTask: public Task{
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public:
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virtual void markup(const Token& t) /* throw(Unexpected) */;
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virtual void data(const char *chars,
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size_t len);
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protected:
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ComplexTask();
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~ComplexTask();
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void removeAllSubTasks();
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void addSubTask(Task *);
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void stopSubTask(Task *);
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#define KILLSUBTASK(t) { if(t) { stopSubTask(t); delete t; t = NULL; } }
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Task *subtask(int i) { return subtasks[i]; };
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protected:
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Task **subtasks;
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int used;
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private:
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int alloc;
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void grow(int);
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};
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#define TEST_TASK 0
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#if TEST_TASK
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class TestTask : public Task{
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public:
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virtual void markup(const Token& t) /* throw(Unexpected) */;
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virtual void data(const char *chars,
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size_t len);
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};
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class TestTask2: public ComplexTask{
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protected:
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int f_base;
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public:
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virtual void markup(const Token& t) /* throw(Unexpected) */;
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virtual void data(const char *chars,
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size_t len);
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TestTask2();
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};
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#endif /* TEST_TASK */
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#endif /* __Task_h */
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