310 lines
9.5 KiB
C++
310 lines
9.5 KiB
C++
//
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// The developer of the original code and/or files is Tripwire, Inc.
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// Portions created by Tripwire, Inc. are copyright (C) 2000 Tripwire,
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// Inc. Tripwire is a registered trademark of Tripwire, Inc. All rights
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// reserved.
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//
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// This program is free software. The contents of this file are subject
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// to the terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2 of the License, or (at your
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// option) any later version. You may redistribute it and/or modify it
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// only in compliance with the GNU General Public License.
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//
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// This program is distributed in the hope that it will be useful.
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// However, this program is distributed AS-IS WITHOUT ANY
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// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
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// FOR A PARTICULAR PURPOSE. Please see the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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//
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// Nothing in the GNU General Public License or any other license to use
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// the code or files shall permit you to use Tripwire's trademarks,
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// service marks, or other intellectual property without Tripwire's
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// prior written consent.
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//
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// If you have any questions, please contact Tripwire, Inc. at either
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// info@tripwire.org or www.tripwire.org.
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//
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///////////////////////////////////////////////////////////////////////////////
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// parserobjects.h
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//
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#ifndef __PARSEROBJECTS_H
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#define __PARSEROBJECTS_H
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//=========================================================================
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// INCLUDES
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//=========================================================================
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#include "twparserstrings.h"
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#ifndef __FCONAME_H
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#include "fco/fconame.h"
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#endif
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#ifndef __FCOPROPVECTOR_H
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#include "fco/fcopropvector.h"
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#endif
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//=========================================================================
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// FORWARD DECLARATIONS
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//=========================================================================
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class iParserGenreUtil;
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//=========================================================================
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// DECLARATION OF CLASSES
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//=========================================================================
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//=========================================================================
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// INLINE FUNCTIONS
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//=========================================================================
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#define KILL_LIST(type, name) do { for( std::list<type*>::iterator iter = mList.begin(); iter != mList.end(); iter++ ) { delete *iter; } } while(0)
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///////////////////////////////////////////////////////////////////////////////
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// parser representation of named attributes
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// these {name, value} pairs can be associated with either rules, or rule masks.
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// the implication is that each rule masks inherits the attributes of its parents,
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// but can override them.
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//
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// Has knowledge of allowable attribute names and their allowable values
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// Validate() throws error if name is unrecognized or value is outside allowable range
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//
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class cParseNamedAttr
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{
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public:
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//
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// ctors and dtors
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//
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cParseNamedAttr( const TSTRING& strName, const TSTRING& strValue ); // converts strName to lower before storing
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cParseNamedAttr* Clone() const;
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const TSTRING& GetName() const { return mstrName; };
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const TSTRING& GetValue() const { return mstrValue; };
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int GetLineNum() const { return mLineNum; };
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void SetValue( const TSTRING& str ) { mstrValue = str; };
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void Validate() const;
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//
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// debug functions
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//
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void Dump(cDebug &d) const; // debugging routine
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private:
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//
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// dont' let C++ create these
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//
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cParseNamedAttr( const cParseNamedAttr& rhs );
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cParseNamedAttr& operator=( const cParseNamedAttr& rhs );
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//
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// enums
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//
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enum ValidAttrNames
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{
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NAME_1 = twparser::STR_PARSER_RULENAME,
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NAME_2 = twparser::STR_PARSER_EMAILTO,
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NAME_3 = twparser::STR_PARSER_RECURSE,
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NAME_4 = twparser::STR_PARSER_SEVERITY,
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MIN_NAME = NAME_1,
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MAX_NAME = NAME_4
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};
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bool NamesMatch( int nString, const TSTRING& strName ) const;
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//
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// data members
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//
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TSTRING mstrName;
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TSTRING mstrValue;
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int mLineNum;
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};
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///////////////////////////////////////////////////////////////////////////////
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// wrapper around list routines
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class cParseNamedAttrList
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{
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public:
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//
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// ctors and dtors
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//
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cParseNamedAttrList() {};
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~cParseNamedAttrList();
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//
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// typedefed iters
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//
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typedef std::list< cParseNamedAttr * >::const_iterator constListIter;
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typedef std::list< cParseNamedAttr * >::const_reverse_iterator constListRevIter;
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//
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// general functionality
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//
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void Dump( cDebug &d ) const; // dump entire list
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void Add( cParseNamedAttr* const pa );
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const cParseNamedAttr* Lookup( const TSTRING& tstrAttrName ) const;
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void Clear();
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void MergeNoOverwrite( const cParseNamedAttrList* const pal );
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private:
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//
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// private utils
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//
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constListIter Find( const cParseNamedAttr* const pa );
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//
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// dont' let C++ create these
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//
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cParseNamedAttrList( const cParseNamedAttrList& rhs );
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cParseNamedAttrList& operator=( const cParseNamedAttrList& rhs );
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public:
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//
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// data members
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//
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std::list< cParseNamedAttr * > mList;
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};
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///////////////////////////////////////////////////////////////////////////////
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// parser representation of fcospecmasks
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// specmasks consist of sets of {condition, propvector} pairs, and also have associated
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// with them a list of {attributes}.
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class cParseSpecMask
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{
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public:
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//
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// ctor and dtor
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//
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cParseSpecMask( TSTRING &condition, TSTRING &vector, iParserGenreUtil* pHelper ); // throw( eParserHelper )
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cParseSpecMask( const cParseSpecMask& sm ) { *this = sm; };
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~cParseSpecMask();
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//
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// data access
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//
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void SetAttrList(cParseNamedAttrList *); // attach list of named attributes
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cParseNamedAttrList *GetAttrList() const;
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int GetNumAttrs() const; // number of named attributes
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const cFCOPropVector& GetPropVector() const; // get prop vector (only used when parsing default specmasks)
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const TSTRING& GetPropVectorString() const;
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const TSTRING& GetCondition() const; // get condition
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//
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// debug functionality
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//
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void Dump(cDebug &d) const; // debugging routine
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private:
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//
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// data members
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//
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TSTRING msCondition; // TODO: this shouldn't be a string -- should be expression
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TSTRING msPV;
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cFCOPropVector mPropVector;
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cParseNamedAttrList* mpAttrList; // list of named attributes associated with specmask
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};
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///////////////////////////////////////////////////////////////////////////////
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// wrapper around list routines
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// we do this so yacc can have something convenient to carry around
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class cParseSpecMaskList
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{
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public:
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~cParseSpecMaskList() { KILL_LIST(cParseSpecMask,mList); };
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void Dump(cDebug &d) const; // dump entire list
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void Add( cParseSpecMask* const pa ) { mList.push_back( pa );};
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std::list< cParseSpecMask* > mList;
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};
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// parser representation of fcospecs, which is composed of...
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// a rule name, a set of specmasks, a default specmask (required), and a set of named attributes
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class cParseRule
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{
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public:
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//
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// ctors and dtor
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//
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cParseRule( const cParseSpecMask& defSpecMask ) :mDefSpecMask( defSpecMask ), mpAttrList(0), mpSpecMaskList(0), mName(_T("")) {}
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~cParseRule();
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//
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// data access
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//
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const cFCOName& GetName() const; // rule name
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void SetName( const cFCOName& name );
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cParseNamedAttrList*GetAttrList() const; // rule attributes
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void SetAttrList(cParseNamedAttrList* );
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void SetSpecMaskList(cParseSpecMaskList *pmask);
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// attach a list of specifiers to this rule (excluding default spec)
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int GetNumSpecMasks() const;
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// returns number of spec masks (excluding default rule)
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int GetNumNamedAttrs() const;
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// returns number of named attributes
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const cParseSpecMask& GetDefSpecMask() const { return mDefSpecMask; };
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//
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// debugging functions
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//
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void Dump();
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private:
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//
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// debugging functions
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//
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cParseSpecMask mDefSpecMask; // default specifier
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cParseNamedAttrList* mpAttrList; // list of named attributes
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cParseSpecMaskList* mpSpecMaskList; // list of specifiers
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cFCOName mName; // name of fcospec
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};
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///////////////////////////////////////////////////////////////////////////////
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// wrapper around TSTRING so yacc can have it inside the yylval union
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//
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class cParseString : public TSTRING
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{
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public:
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TSTRING& operator=( const TSTRING& str ) { return TSTRING::operator=( str ); };
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};
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class cParseStringList : public std::list< TSTRING >
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{
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private:
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std::list< TSTRING >& operator=( const std::list< TSTRING >& str );
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};
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// this class holds all info needed for an attribute scope
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class cAttrScopeInfo
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{
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public:
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cAttrScopeInfo() :pAttrList(0), nStatements(0) {};
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cParseNamedAttrList* GetAttrList() { return pAttrList; };
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void SetAttributes( cParseNamedAttrList* pL ) { pAttrList = pL; };
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void IncrementStatementCount() { nStatements++; };
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int GetStatementCount() { return nStatements; };
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private:
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cParseNamedAttrList* pAttrList;
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int nStatements;
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};
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#endif //__PARSEROBJECTS_H
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