92 lines
1.8 KiB
C++
92 lines
1.8 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1997
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//
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// File: symt.h
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//
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//--------------------------------------------------------------------------
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//
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// SYMTMBN.H: Symbol and symbol table handling declarations
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//
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#ifndef _SYMT_H_
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#define _SYMT_H_
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#include "zstrt.h"
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////////////////////////////////////////////////////////////////////
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// template TMPSYMTBL: a symbol table
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//
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// Names ares ZSREFs based upon strings interned into
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// the internal string table using "intern()".
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//
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// Objects are smart pointers which destroy themselves
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// when assigned to or upon destruction of the symbol table.
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//
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// Public functions:
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//
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// add(): adds an association between an OBJ * and
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// its name string
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// find(): returns an OBJ * or NULL
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// intern(): registers a string in the symbol table's
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// string table.
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////////////////////////////////////////////////////////////////////
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class GOBJMBN;
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template<class OBJ>
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class TMPSYMTBL :
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public map<ZSREF, REFPOBJ<OBJ>, less<ZSREF> >
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{
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typedef REFPOBJ<GOBJMBN> ROBJ;
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typedef map<ZSREF, REFPOBJ<OBJ>, less<ZSREF> > TSYMMAP;
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public:
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TMPSYMTBL () {};
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~ TMPSYMTBL ()
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{
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clear();
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};
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void add ( SZC szc, OBJ * pobj )
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{
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ZSREF zsr = _stszstr.Zsref(szc);
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(*this)[zsr] = pobj;
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pobj->SetName(zsr);
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}
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OBJ * find ( SZC szc )
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{
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iterator it = TSYMMAP::find(_stszstr.Zsref(szc));
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return it == end()
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? NULL
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: (*it).second.Pobj();
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}
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ZSREF intern ( SZC szc )
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{
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return _stszstr.Zsref(szc);
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}
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bool remove ( SZC szc )
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{
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iterator it = TSYMMAP::find(_stszstr.Zsref(szc));
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if ( it != end() )
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{
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erase(it);
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return true;
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}
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return false;
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}
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protected:
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// The ensemble of strings
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STZSTR _stszstr;
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HIDE_UNSAFE(TMPSYMTBL);
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};
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#endif |