src/MEDLoader/libmesh5.hxx

   1 // Copyright (C) 2021  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #ifndef MESHFORMATPARSER_HXX
  21 #define MESHFORMATPARSER_HXX
  22 /*----------------------------------------------------------*/
  23 /*                                                                                                                      */
  24 /*                                              LIBMESH V 5.46                                          */
  25 /*                                                                                                                      */
  26 /*----------------------------------------------------------*/
  27 /*                                                                                                                      */
  28 /*      Description:            handle .meshb file format I/O           */
  29 /*      Author:                         Loic MARECHAL                                           */
  30 /*      Creation date:          feb 16 2007                                                     */
  31 /*      Last modification:      dec 12 2020                                                     */
  32 /*                                                                                                                      */
  33 /*----------------------------------------------------------*/
  34
  35
  36 /*----------------------------------------------------------*/
  37 /* Defines                                                                                                      */
  38 /*----------------------------------------------------------*/
  39
  40
  41 #define GmfStrSiz 1024
  42 #define GmfMaxTyp 1000
  43 #define GmfMaxKwd 81
  44 #define GmfMshVer 1
  45 #define GmfRead 1
  46 #define GmfWrite 2
  47 #define GmfSca 1
  48 #define GmfVec 2
  49 #define GmfSymMat 3
  50 #define GmfMat 4
  51 #define GmfFloat 1
  52 #define GmfDouble 2
  53
  54
  55 /*----------------------------------------------------------*/
  56 /* Defines                                                                                                      */
  57 /*----------------------------------------------------------*/
  58
  59 #define Asc 1
  60 #define Bin 2
  61 #define MshFil 4
  62 #define SolFil 8
  63 #define MaxMsh 100
  64 #define InfKwd 1
  65 #define RegKwd 2
  66 #define SolKwd 3
  67 #define WrdSiz 4
  68 #define BufSiz 10000
  69
  70
  71 // see MeshGems/Docs/meshgems_formats_description.pdf
  72 extern const char* GmfKwdFmt[ GmfMaxKwd + 1 ][4];
  73 /*----------------------------------------------------------*/
  74 /* Structures                                                                                           */
  75 /*----------------------------------------------------------*/
  76 namespace  MeshFormat {
  77 typedef struct
  78 {
  79     int typ, SolSiz, NmbWrd, NmbLin, NmbTyp, TypTab[ GmfMaxTyp ];
  80     long pos;
  81     char fmt[ GmfMaxTyp*9 ];
  82 } KwdSct;
  83
  84 typedef struct
  85 {
  86     int dim, ver, mod, typ, cod, pos;
  87     long NexKwdPos, siz;
  88     KwdSct KwdTab[ GmfMaxKwd + 1 ];
  89     FILE *hdl;
  90     int *IntBuf;
  91     float *FltBuf;
  92     unsigned char *buf;
  93     char FilNam[ GmfStrSiz ];
  94     double DblBuf[1000/8];
  95     unsigned char blk[ BufSiz + 1000 ];
  96 } GmfMshSct;
  97
  98
  99
 100
 101
 102 // see MeshGems/Docs/meshgems_formats_description.pdf
 103 enum GmfKwdCod
 104 {
 105     GmfReserved1, \
 106     GmfVersionFormatted, \
 107     GmfReserved2, \
 108     GmfDimension, \
 109     GmfVertices, \
 110     GmfEdges, \
 111     GmfTriangles, \
 112     GmfQuadrilaterals, \
 113     GmfTetrahedra, \
 114     GmfPrisms, \
 115     GmfHexahedra, \
 116     GmfIterationsAll, \
 117     GmfTimesAll, \
 118     GmfCorners, \
 119     GmfRidges, \
 120     GmfRequiredVertices, \
 121     GmfRequiredEdges, \
 122     GmfRequiredTriangles, \
 123     GmfRequiredQuadrilaterals, \
 124     GmfTangentAtEdgeVertices, \
 125     GmfNormalAtVertices, \
 126     GmfNormalAtTriangleVertices, \
 127     GmfNormalAtQuadrilateralVertices, \
 128     GmfAngleOfCornerBound, \
 129     GmfTrianglesP2, \
 130     GmfEdgesP2, \
 131     GmfSolAtPyramids, \
 132     GmfQuadrilateralsQ2, \
 133     GmfISolAtPyramids, \
 134     GmfSubDomainFromGeom, \
 135     GmfTetrahedraP2, \
 136     GmfFault_NearTri, \
 137     GmfFault_Inter, \
 138     GmfHexahedraQ2, \
 139     GmfExtraVerticesAtEdges, \
 140     GmfExtraVerticesAtTriangles, \
 141     GmfExtraVerticesAtQuadrilaterals, \
 142     GmfExtraVerticesAtTetrahedra, \
 143     GmfExtraVerticesAtPrisms, \
 144     GmfExtraVerticesAtHexahedra, \
 145     GmfVerticesOnGeometricVertices, \
 146     GmfVerticesOnGeometricEdges, \
 147     GmfVerticesOnGeometricTriangles, \
 148     GmfVerticesOnGeometricQuadrilaterals, \
 149     GmfEdgesOnGeometricEdges, \
 150     GmfFault_FreeEdge, \
 151     GmfPolyhedra, \
 152     GmfPolygons, \
 153     GmfFault_Overlap, \
 154     GmfPyramids, \
 155     GmfBoundingBox, \
 156     GmfBody, \
 157     GmfPrivateTable, \
 158     GmfFault_BadShape, \
 159     GmfEnd, \
 160     GmfTrianglesOnGeometricTriangles, \
 161     GmfTrianglesOnGeometricQuadrilaterals, \
 162     GmfQuadrilateralsOnGeometricTriangles, \
 163     GmfQuadrilateralsOnGeometricQuadrilaterals, \
 164     GmfTangents, \
 165     GmfNormals, \
 166     GmfTangentAtVertices, \
 167     GmfSolAtVertices, \
 168     GmfSolAtEdges, \
 169     GmfSolAtTriangles, \
 170     GmfSolAtQuadrilaterals, \
 171     GmfSolAtTetrahedra, \
 172     GmfSolAtPrisms, \
 173     GmfSolAtHexahedra, \
 174     GmfDSolAtVertices, \
 175     GmfISolAtVertices, \
 176     GmfISolAtEdges, \
 177     GmfISolAtTriangles, \
 178     GmfISolAtQuadrilaterals, \
 179     GmfISolAtTetrahedra, \
 180     GmfISolAtPrisms, \
 181     GmfISolAtHexahedra, \
 182     GmfIterations, \
 183     GmfTime, \
 184     GmfFault_SmallTri, \
 185     GmfCoarseHexahedra, \
 186     GmfFault_MultipleEdge
 187 };
 188
 189
 190
 191 class MeshFormatParser {
 192     /*----------------------------------------------------------*/
 193     /* External procedures                                                                          */
 194     /*----------------------------------------------------------*/
 195 public :
 196     MeshFormatParser();
 197     int GmfOpenMesh(const char *, int, ...);
 198     int GmfCloseMesh(int);
 199     int GmfStatKwd(int, int, ...);
 200     int GmfGotoKwd(int, int);
 201     int GmfSetKwd(int, int, ...);
 202     void GmfGetLin(int, int, ...);
 203     void GmfSetLin(int, int, ...);
 204 private :
 205
 206
 207     /*----------------------------------------------------------*/
 208     /*  private procedures methods                                                       */
 209     /*----------------------------------------------------------*/
 210
 211     void ScaWrd(GmfMshSct *, unsigned char *);
 212     void ScaDblWrd(GmfMshSct *, unsigned char *);
 213     void ScaBlk(GmfMshSct *, unsigned char *, int);
 214     long GetPos(GmfMshSct *);
 215     void RecWrd(GmfMshSct *, unsigned char *);
 216     void RecDblWrd(GmfMshSct *, unsigned char *);
 217     void RecBlk(GmfMshSct *, unsigned char *, int);
 218     void SetPos(GmfMshSct *, long);
 219     int ScaKwdTab(GmfMshSct *);
 220     void ExpFmt(GmfMshSct *, int);
 221     void ScaKwdHdr(GmfMshSct *, int);
 222
 223     void GmfCpyLin(int, int, int);
 224
 225
 226     int GmfIniFlg;
 227     GmfMshSct *GmfMshTab[ MaxMsh + 1 ];
 228
 229
 230
 231
 232
 233 };
 234
 235 }
 236 #endif // MESHFORMATPARSER_HXX