1 files changed, 73 insertions, 0 deletions
diff --git a/kommander/widget/function.h b/kommander/widget/function.h
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+++ b/kommander/widget/function.h
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+/***************************************************************************
+                    function.h - Functions for internal parser
+                             -------------------
+    copyright          : (C) 2004      Michal Rudolf <[email protected]>
+    
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _HAVE_FUNCTION_H_
+#define _HAVE_FUNCTION_H_
+
+#include "parsenode.h"
+#include <qvaluevector.h>
+
+class Parser;
+
+typedef QValueVector<ParseNode> ParameterList;
+typedef QValueVector<Parse::ValueType> TypeList;
+typedef ParseNode(*FunctionPointer)(Parser*, const ParameterList&);
+
+class Function
+{
+  public:
+    /* default constructor - empty function */
+    Function();
+    /* construct a function from parameterlist */
+    Function(FunctionPointer fp, Parse::ValueType value, const TypeList& params, uint min = 99999,
+             uint max = 0);
+    /* construct a function from parameters */
+    Function(FunctionPointer fp, Parse::ValueType value, Parse::ValueType param1, uint min = 99999,
+             uint max = 0);
+    Function(FunctionPointer fp, Parse::ValueType value, Parse::ValueType param1, Parse::ValueType param2,
+             uint min = 99999, uint max = 0);
+    Function(FunctionPointer fp, Parse::ValueType value, Parse::ValueType param1, Parse::ValueType param2,
+             Parse::ValueType param3, uint min = 99999, uint max = 0);
+    Function(FunctionPointer fp, Parse::ValueType value, Parse::ValueType param1, Parse::ValueType param2,
+             Parse::ValueType param3, Parse::ValueType param4, uint min = 99999, uint max = 0);
+    Function(FunctionPointer fp, Parse::ValueType value, Parse::ValueType param1, Parse::ValueType param2,
+             Parse::ValueType param3, Parse::ValueType param4, Parse::ValueType param5, 
+             uint min = 99999, uint max = 0);
+    /* if function returns value */
+    bool isVoid() const;
+    /* type of returned value */
+    Parse::ValueType returnValue() const;
+    /* type of i-th argument */
+    Parse::ValueType argType(uint i) const;
+    /* minimum number of arguments */
+    uint minArgs() const;
+    /* maximum number of arguments */
+    uint maxArgs() const;
+    /* check whether given list is appropriate for this function */
+    bool isValid(const ParameterList& params) const;
+    /* execute */
+    ParseNode execute(Parser* P, const ParameterList& params) const;
+  
+private:
+    FunctionPointer m_function;
+    TypeList m_params;
+    Parse::ValueType m_returnValue;
+    uint m_minArgs;
+    uint m_maxArgs;
+};
+
+#endif
+