/usr/include/muparserx/mpICallback.h is in libmuparserx-dev 4.0.7+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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\brief Definition of the interface for parser callback objects.
<pre>
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Copyright (C) 2016 Ingo Berg
All rights reserved.
muParserX - A C++ math parser library with array and string support
Copyright (c) 2016, Ingo Berg
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.
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 HOLDER 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.
</pre>
*/
#ifndef MU_IPARSER_CALLBACK_H
#define MU_IPARSER_CALLBACK_H
//--- muParserX framework --------------------------------------------
#include "mpIToken.h"
#include "mpIPackage.h"
MUP_NAMESPACE_START
/** \brief Interface for callback objects.
All Parser functions and operators must implement this interface.
*/
class ICallback : public IToken
{
public:
typedef ParserXBase parent_type;
ICallback(ECmdCode a_iCode,
const char_type *a_szName,
int a_nArgNum = 1);
virtual ~ICallback();
virtual ICallback* AsICallback();
virtual IValue* AsIValue();
virtual void Eval(ptr_val_type& ret, const ptr_val_type *arg, int argc) = 0;
virtual const char_type* GetDesc() const = 0;
virtual string_type AsciiDump() const;
int GetArgc() const;
int GetArgsPresent() const;
void SetParent(parent_type *a_pParent);
void SetNumArgsPresent(int argc);
protected:
parent_type* GetParent();
void SetArgc(int argc);
private:
parent_type *m_pParent; ///< Pointer to the parser object using this callback
int m_nArgc; ///< Number of this function can take Arguments.
int m_nArgsPresent; ///< Number of arguments actually submitted
}; // class ICallback
MUP_NAMESPACE_END
#endif
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