89 lines
3.4 KiB
C++
89 lines
3.4 KiB
C++
/** \file
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\brief Definition of the interface for parser callback objects.
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<pre>
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__________ ____ ___
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_____ __ _\______ \_____ _______ ______ __________\ \/ /
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/ \| | \ ___/\__ \\_ __ \/ ___// __ \_ __ \ /
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| Y Y \ | / | / __ \| | \/\___ \\ ___/| | \/ \
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|__|_| /____/|____| (____ /__| /____ >\___ >__| /___/\ \
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\/ \/ \/ \/ \_/
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Copyright (C) 2016 Ingo Berg
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All rights reserved.
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muParserX - A C++ math parser library with array and string support
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Copyright (c) 2016, Ingo Berg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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</pre>
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*/
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#ifndef MU_IPARSER_CALLBACK_H
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#define MU_IPARSER_CALLBACK_H
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//--- muParserX framework --------------------------------------------
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#include "mpIToken.h"
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#include "mpIPackage.h"
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MUP_NAMESPACE_START
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/** \brief Interface for callback objects.
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All Parser functions and operators must implement this interface.
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*/
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class ICallback : public IToken
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{
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public:
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typedef ParserXBase parent_type;
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ICallback(ECmdCode a_iCode,
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const char_type *a_szName,
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int a_nArgNum = 1);
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virtual ~ICallback();
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virtual ICallback* AsICallback();
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virtual IValue* AsIValue();
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virtual void Eval(ptr_val_type& ret, const ptr_val_type *arg, int argc) = 0;
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virtual const char_type* GetDesc() const = 0;
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virtual string_type AsciiDump() const;
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int GetArgc() const;
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int GetArgsPresent() const;
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void SetParent(parent_type *a_pParent);
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void SetNumArgsPresent(int argc);
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protected:
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parent_type* GetParent();
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void SetArgc(int argc);
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private:
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parent_type *m_pParent; ///< Pointer to the parser object using this callback
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int m_nArgc; ///< Number of this function can take Arguments.
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int m_nArgsPresent; ///< Number of arguments actually submitted
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}; // class ICallback
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MUP_NAMESPACE_END
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#endif
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