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102 lines
2.2 KiB
C++
102 lines
2.2 KiB
C++
#ifndef _CSGPARSER_HPP
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#define _CSGPARSER_HPP
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namespace netgen
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{
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enum TOKEN_TYPE
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{
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TOK_MINUS = '-', TOK_LP = '(', OK_RP = ')', TOK_LSP = '[', TOK_RSP = ']',
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TOK_EQU = '=', TOK_COMMA = ',', TOK_SEMICOLON = ';',
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TOK_NUM = 100, TOK_STRING, TOK_NAMED_SOLID, TOK_PRIMITIVE,
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TOK_OR, TOK_AND, TOK_NOT,
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TOK_SINGULAR, TOK_EDGE, TOK_POINT, TOK_FACE, TOK_IDENTIFY, TOK_CLOSESURFACES,
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TOK_CLOSEEDGES, TOK_PERIODIC,
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TOK_SOLID, TOK_RECO, TOK_TLO, TOK_CURVE2D, TOK_CURVE3D, TOK_BOUNDINGBOX,
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TOK_BOUNDARYCONDITION, TOK_BOUNDARYCONDITIONNAME,
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TOK_DEFINE, TOK_CONSTANT,
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TOK_END };
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struct kwstruct
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{
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TOKEN_TYPE kw;
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const char * name;
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};
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enum PRIMITIVE_TYPE
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{
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TOK_SPHERE = 1, TOK_CYLINDER, TOK_PLANE, TOK_ELLIPTICCYLINDER,
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TOK_ELLIPSOID, TOK_CONE,
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TOK_ORTHOBRICK, TOK_POLYHEDRON,
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TOK_TORUS,
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TOK_TUBE, TOK_GENCYL, TOK_EXTRUSION, TOK_REVOLUTION,
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TOK_TRANSLATE, TOK_MULTITRANSLATE, TOK_ROTATE, TOK_MULTIROTATE
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};
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struct primstruct
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{
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PRIMITIVE_TYPE kw;
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const char * name;
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};
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class CSGScanner
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{
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TOKEN_TYPE token;
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PRIMITIVE_TYPE prim_token;
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double num_value;
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string string_value;
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int linenum;
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istream * scanin;
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public:
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CSGScanner (istream & ascanin);
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TOKEN_TYPE GetToken() const
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{ return token; }
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double GetNumValue() const
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{ return num_value; }
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const string & GetStringValue() const
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{ return string_value; }
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char GetCharValue() const
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{ return string_value[0]; }
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PRIMITIVE_TYPE GetPrimitiveToken() const
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{ return prim_token; }
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void ReadNext();
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/*
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CSGScanner & Parse (char ch);
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CSGScanner & Parse (int & i);
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CSGScanner & Parse (double & d);
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CSGScanner & Parse (Point<3> & p);
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CSGScanner & Parse (Vec<3> & p);
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*/
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void Error (const string & err);
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};
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CSGScanner & operator>> (CSGScanner & scan, char ch);
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CSGScanner & operator>> (CSGScanner & scan, double & d);
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CSGScanner & operator>> (CSGScanner & scan, int & i);
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CSGScanner & operator>> (CSGScanner & scan, Point<3> & p);
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CSGScanner & operator>> (CSGScanner & scan, Vec<3> & v);
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}
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#endif
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