150 lines
4 KiB
C
150 lines
4 KiB
C
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//+-------------------------------------------------------------------------
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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: model.h
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//
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//--------------------------------------------------------------------------
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//
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// MODEL.H
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//
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#ifndef _MODEL_H_
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#define _MODEL_H_
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#include "gelem.h" // Graph object classes
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#include "glnkenum.h"
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#include "symtmbn.h" // Symbol table and string declarations
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#include "gelmwalk.h" // Graph search algorithms
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#include "gmprop.h"
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class MODEL
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{
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public:
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// Nested iterator class based on symbol table iteration.
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class ITER
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{
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public:
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ITER ( MODEL& model, GOBJMBN::EBNOBJ eType );
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ITER ( MODEL& model );
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void CreateNodeIterator();
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bool operator++ (int i)
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{ return BNext() ; }
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bool operator++ ()
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{ return BNext() ; }
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GOBJMBN * operator -> ()
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{ return _pCurrent; }
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GOBJMBN * operator * ()
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{ return _pCurrent; }
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ZSREF ZsrCurrent ()
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{ return _zsrCurrent; }
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void Reset ();
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protected:
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MPSYMTBL::iterator _itsym;
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GOBJMBN::EBNOBJ _eType;
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GOBJMBN* _pCurrent;
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ZSREF _zsrCurrent;
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protected:
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bool BNext();
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MODEL& _model;
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};
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public:
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MODEL ();
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virtual ~ MODEL ();
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GRPH * Pgraph () const
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{ return _pgrph; }
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GRPH & Grph () const
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{
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assert( _pgrph );
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return *_pgrph;
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}
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// Object addition and deletion functions
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// Add and delete generic unnamed elements
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virtual void AddElem ( GELEMLNK * pgelm );
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virtual void DeleteElem ( GELEMLNK * pgelem );
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// Add and delete named elements
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// Test the name for duplicate; add if not, else return false
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virtual bool BAddElem ( SZC szcName, GOBJMBN * pgobj );
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// Add a named object to the graph and symbol table
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virtual void AddElem ( SZC szcName, GOBJMBN * pgobj );
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// Delete objects and edges
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virtual void DeleteElem ( GOBJMBN * pgobj );
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// Enumerator for contents of the graph (GRPH);
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// enumeration omits the GRPH object itself
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class MODELENUM : public GLNKENUM<GELEMLNK,true>
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{
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public:
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MODELENUM ( const MODEL & model )
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: GLNKENUM<GELEMLNK,true>( model.Grph() )
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{}
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};
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// Accessors to format/versioning info
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REAL & RVersion () { return _rVersion ; }
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ZSTR & ZsFormat () { return _zsFormat; }
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ZSTR & ZsCreator () { return _zsCreator; }
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ZSTR & ZsNetworkID () { return _zsNetworkID; }
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// Accessor for symbol table
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MPSYMTBL & Mpsymtbl () { return _mpsymtbl; }
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const MPSYMTBL & Mpsymtbl () const
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{ return _mpsymtbl; }
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GOBJMBN * PgobjFind ( SZC szcName );
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// Accessor for list of network-level properties
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LTBNPROP & LtProp () { return _ltProp; }
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// Accessors for the array of flag bits
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bool BFlag ( IBFLAG ibf ) const
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{ return _vFlags.BFlag( ibf ); }
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bool BSetBFlag ( IBFLAG ibf, bool bValue = true )
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{ return _vFlags.BSetBFlag( ibf, bValue ); }
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// Name validation and parsing functions
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// Return a character which is illegal in a DSC-file-based name;
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// used for building up "hidden" but otherwise descriptive names
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static char ChInternal () { return '$'; }
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// Return true if the character is legal in a name
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enum ECHNAME { ECHNM_First, ECHNM_Middle, ECHNM_Last };
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static bool BChLegal ( char ch, ECHNAME echnm, bool bInternal = false );
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// Return true if the name is legal
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static bool BSzLegal ( SZC szcName, bool bInternal = false );
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// Return a displayable string associated with an error code; NULL if not found
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static SZC SzcFromEc ( ECGM ec );
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protected:
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GRPH * _pgrph; // The graph
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// Format and versioning info
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REAL _rVersion; // Version/revision value
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ZSTR _zsFormat; // Format type string
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ZSTR _zsCreator; // Creator name
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ZSTR _zsNetworkID; // Network identification string
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MPSYMTBL _mpsymtbl; // The symbol table
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LTBNPROP _ltProp; // The list of user-definable properties
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VFLAGS _vFlags; // Bit vector of flags
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protected:
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// Set or reset the graph object
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virtual void SetPgraph ( GRPH * pgrph );
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// Protected clone-this-from-other operation
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virtual void Clone ( MODEL & model );
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};
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#endif
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