mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-14 10:08:32 +05:00
162 lines
3.3 KiB
C++
162 lines
3.3 KiB
C++
#ifndef FILE_SYMBOLTA
|
|
#define FILE_SYMBOLTA
|
|
|
|
|
|
/**************************************************************************/
|
|
/* File: symbolta.hh */
|
|
/* Author: Joachim Schoeberl */
|
|
/* Date: 01. Jun. 95 */
|
|
/**************************************************************************/
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
/**
|
|
Base class for the generic SYMBOLTABLE.
|
|
An array of identifiers is maintained.
|
|
*/
|
|
class DLL_HEADER BASE_SYMBOLTABLE
|
|
{
|
|
protected:
|
|
/// identifiers
|
|
Array <char*> names;
|
|
|
|
public:
|
|
/// Constructor
|
|
BASE_SYMBOLTABLE ();
|
|
///
|
|
~BASE_SYMBOLTABLE ();
|
|
///
|
|
void DelNames ();
|
|
/// Index of symbol name, returns 0 if not used.
|
|
int Index (const char * name) const;
|
|
};
|
|
|
|
|
|
/**
|
|
Abstract data type Symbol Table.
|
|
|
|
To a string an value of the generic type T is associated.
|
|
The string is not copied into the symbol table class!
|
|
*/
|
|
template <class T>
|
|
class SYMBOLTABLE : public BASE_SYMBOLTABLE
|
|
{
|
|
private:
|
|
/// Associated data
|
|
Array <T> data;
|
|
|
|
public:
|
|
/// Creates a symboltable
|
|
inline SYMBOLTABLE ();
|
|
/// Returns size of symboltable
|
|
inline INDEX Size() const;
|
|
/// Returns reference to element, error if not used
|
|
inline T & Elem (const char * name);
|
|
/// Returns reference to i-th element
|
|
inline T & Elem (int i)
|
|
{ return data.Elem(i); }
|
|
/// Returns element, error if not used
|
|
inline const T & Get (const char * name) const;
|
|
/// Returns i-th element
|
|
inline const T & Get (int i) const;
|
|
/// Returns name of i-th element
|
|
inline const char* GetName (int i) const;
|
|
/// Associates el to the string name, overrides if name is used
|
|
inline void Set (const char * name, const T & el);
|
|
/// Checks whether name is used
|
|
inline bool Used (const char * name) const;
|
|
/// Deletes symboltable
|
|
inline void DeleteAll ();
|
|
|
|
inline T & operator[] (int i)
|
|
{ return data[i]; }
|
|
inline const T & operator[] (int i) const
|
|
{ return data[i]; }
|
|
|
|
private:
|
|
/// Prevents from copying symboltable by pointer assignment
|
|
SYMBOLTABLE<T> & operator= (SYMBOLTABLE<T> &);
|
|
};
|
|
|
|
|
|
|
|
|
|
template <class T>
|
|
inline SYMBOLTABLE<T> :: SYMBOLTABLE ()
|
|
{
|
|
;
|
|
}
|
|
|
|
|
|
template <class T>
|
|
inline INDEX SYMBOLTABLE<T> :: Size() const
|
|
{
|
|
return data.Size();
|
|
}
|
|
|
|
template <class T>
|
|
inline T & SYMBOLTABLE<T> :: Elem (const char * name)
|
|
{
|
|
int i = Index (name);
|
|
if (i)
|
|
return data.Elem (i);
|
|
else
|
|
return data.Elem(1);
|
|
}
|
|
|
|
template <class T>
|
|
inline const T & SYMBOLTABLE<T> :: Get (const char * name) const
|
|
{
|
|
int i;
|
|
i = Index (name);
|
|
if (i)
|
|
return data.Get(i);
|
|
else
|
|
return data.Get(1);
|
|
}
|
|
|
|
template <class T>
|
|
inline const T & SYMBOLTABLE<T> :: Get (int i) const
|
|
{
|
|
return data.Get(i);
|
|
}
|
|
|
|
template <class T>
|
|
inline const char* SYMBOLTABLE<T> :: GetName (int i) const
|
|
{
|
|
return names.Get(i);
|
|
}
|
|
|
|
template <class T>
|
|
inline void SYMBOLTABLE<T> :: Set (const char * name, const T & el)
|
|
{
|
|
int i;
|
|
i = Index (name);
|
|
if (i)
|
|
data.Set(i, el);
|
|
else
|
|
{
|
|
data.Append (el);
|
|
char * hname = new char [strlen (name) + 1];
|
|
strcpy (hname, name);
|
|
names.Append (hname);
|
|
}
|
|
}
|
|
|
|
template <class T>
|
|
inline bool SYMBOLTABLE<T> :: Used (const char * name) const
|
|
{
|
|
return (Index(name)) ? true : false;
|
|
}
|
|
|
|
template <class T>
|
|
inline void SYMBOLTABLE<T> :: DeleteAll ()
|
|
{
|
|
DelNames();
|
|
data.DeleteAll();
|
|
}
|
|
|
|
}
|
|
#endif
|