From: gdd Date: Fri, 4 Mar 2011 20:47:59 +0000 (+0000) Subject: Add missing files X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=0f3080df734434eba55ff47e77dd5faedb9bbc53;p=plugins%2Fghs3dplugin.git Add missing files --- diff --git a/src/GHS3DPlugin/libmesh5.c b/src/GHS3DPlugin/libmesh5.c new file mode 100644 index 0000000..4277b97 --- /dev/null +++ b/src/GHS3DPlugin/libmesh5.c @@ -0,0 +1,1192 @@ + + +/*----------------------------------------------------------*/ +/* */ +/* LIBMESH V 5.45 */ +/* */ +/*----------------------------------------------------------*/ +/* */ +/* Description: handle .meshb file format I/O */ +/* Author: Loic MARECHAL */ +/* Creation date: feb 16 2007 */ +/* Last modification: feb 08 2011 */ +/* */ +/*----------------------------------------------------------*/ + + +/*----------------------------------------------------------*/ +/* Includes */ +/*----------------------------------------------------------*/ + +#include +#include +#include +#include +#include +#include +#include +#include "libmesh5.h" + + +/*----------------------------------------------------------*/ +/* Defines */ +/*----------------------------------------------------------*/ + +#define Asc 1 +#define Bin 2 +#define MshFil 4 +#define SolFil 8 +#define MaxMsh 100 +#define InfKwd 1 +#define RegKwd 2 +#define SolKwd 3 +#define WrdSiz 4 +#define BufSiz 10000 + + +/*----------------------------------------------------------*/ +/* Structures */ +/*----------------------------------------------------------*/ + +typedef struct +{ + int typ, SolSiz, NmbWrd, NmbLin, NmbTyp, TypTab[ GmfMaxTyp ]; + long pos; + char fmt[ GmfMaxTyp*9 ]; +}KwdSct; + +typedef struct +{ + int dim, ver, mod, typ, cod, pos; + long NexKwdPos; + KwdSct KwdTab[ GmfMaxKwd + 1 ]; + FILE *hdl; + int *IntBuf; + float *FltBuf; + unsigned char *buf; + char FilNam[ GmfStrSiz ]; + double DblBuf[1000/8]; + unsigned char blk[ BufSiz + 1000 ]; +}GmfMshSct; + + +/*----------------------------------------------------------*/ +/* Global variables */ +/*----------------------------------------------------------*/ + +int GmfIniFlg=0; +GmfMshSct *GmfMshTab[ MaxMsh + 1 ]; +char *GmfKwdFmt[ GmfMaxKwd + 1 ][4] = +{ {"Reserved", "", "", ""}, + {"MeshVersionFormatted", "", "", "i"}, + {"Reserved", "", "", ""}, + {"Dimension", "", "", "i"}, + {"Vertices", "Vertex", "i", "dri"}, + {"Edges", "Edge", "i", "iii"}, + {"Triangles", "Triangle", "i", "iiii"}, + {"Quadrilaterals", "Quadrilateral", "i", "iiiii"}, + {"Tetrahedra", "Tetrahedron", "i", "iiiii"}, + {"Prisms", "Prism", "i", "iiiiiii"}, + {"Hexahedra", "Hexahedron", "i", "iiiiiiiii"}, + {"IterationsAll", "IterationAll","","i"}, + {"TimesAll", "TimeAll","","r"}, + {"Corners", "Corner", "i", "i"}, + {"Ridges", "Ridge", "i", "i"}, + {"RequiredVertices", "RequiredVertex", "i", "i"}, + {"RequiredEdges", "RequiredEdge", "i", "i"}, + {"RequiredTriangles", "RequiredTriangle", "i", "i"}, + {"RequiredQuadrilaterals", "RequiredQuadrilateral", "i", "i"}, + {"TangentAtEdgeVertices", "TangentAtEdgeVertex", "i", "iii"}, + {"NormalAtVertices", "NormalAtVertex", "i", "ii"}, + {"NormalAtTriangleVertices", "NormalAtTriangleVertex", "i", "iii"}, + {"NormalAtQuadrilateralVertices", "NormalAtQuadrilateralVertex", "i", "iiii"}, + {"AngleOfCornerBound", "", "", "r"}, + {"TrianglesP2", "TriangleP2", "i", "iiiiiii"}, + {"EdgesP2", "EdgeP2", "i", "iiii"}, + {"SolAtPyramids", "SolAtPyramid", "i", "sr"}, + {"QuadrilateralsQ2", "QuadrilateralQ2", "i", "iiiiiiiiii"}, + {"ISolAtPyramids", "ISolAtPyramid", "i", "iiiii"}, + {"Reserved", "", "", ""}, + {"TetrahedraP2", "TetrahedronP2", "i", "iiiiiiiiiii"}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"HexahedraQ2", "HexahedronQ2", "i", "iiiiiiiiiiiiiiiiiiiiiiiiiiii"}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Polyhedra", "Polyhedron", "i", "iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii"}, + {"Polygons", "Polygon", "", "iiiiiiiii"}, + {"Reserved", "", "", ""}, + {"Pyramids", "Pyramid", "i", "iiiiii"}, + {"BoundingBox", "", "", "drdr"}, + {"Body","i", "drdrdrdr"}, + {"PrivateTable", "PrivateTable", "i", "i"}, + {"Reserved", "", "", ""}, + {"End", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Reserved", "", "", ""}, + {"Tangents", "Tangent", "i", "dr"}, + {"Normals", "Normal", "i", "dr"}, + {"TangentAtVertices", "TangentAtVertex", "i", "ii"}, + {"SolAtVertices", "SolAtVertex", "i", "sr"}, + {"SolAtEdges", "SolAtEdge", "i", "sr"}, + {"SolAtTriangles", "SolAtTriangle", "i", "sr"}, + {"SolAtQuadrilaterals", "SolAtQuadrilateral", "i", "sr"}, + {"SolAtTetrahedra", "SolAtTetrahedron", "i", "sr"}, + {"SolAtPrisms", "SolAtPrism", "i", "sr"}, + {"SolAtHexahedra", "SolAtHexahedron", "i", "sr"}, + {"DSolAtVertices", "DSolAtVertex", "i", "sr"}, + {"ISolAtVertices", "ISolAtVertex", "i", "i"}, + {"ISolAtEdges", "ISolAtEdge", "i", "ii"}, + {"ISolAtTriangles", "ISolAtTriangle", "i", "iii"}, + {"ISolAtQuadrilaterals", "ISolAtQuadrilateral", "i", "iiii"}, + {"ISolAtTetrahedra", "ISolAtTetrahedron", "i", "iiii"}, + {"ISolAtPrisms", "ISolAtPrism", "i", "iiiiii"}, + {"ISolAtHexahedra", "ISolAtHexahedron", "i", "iiiiiiii"}, + {"Iterations", "","","i"}, + {"Time", "","","r"}, + {"Reserved", "","",""} + }; + + +/*----------------------------------------------------------*/ +/* Prototypes of local procedures */ +/*----------------------------------------------------------*/ + +static void ScaWrd(GmfMshSct *, unsigned char *); +static void ScaDblWrd(GmfMshSct *, unsigned char *); +static void ScaBlk(GmfMshSct *, unsigned char *, int); +static long GetPos(GmfMshSct *); +static void RecWrd(GmfMshSct *, unsigned char *); +static void RecDblWrd(GmfMshSct *, unsigned char *); +static void RecBlk(GmfMshSct *, unsigned char *, int); +static void SetPos(GmfMshSct *, long); +static int ScaKwdTab(GmfMshSct *); +static void ExpFmt(GmfMshSct *, int); +static void ScaKwdHdr(GmfMshSct *, int); + + +/*----------------------------------------------------------*/ +/* Open a mesh file in read or write mod */ +/*----------------------------------------------------------*/ + +int GmfOpenMesh(const char *FilNam, int mod, ...) +{ + int i, KwdCod, res, *PtrVer, *PtrDim, MshIdx=0; + char str[ GmfStrSiz ]; + va_list VarArg; + GmfMshSct *msh; + + if(!GmfIniFlg) + { + for(i=0;i<=MaxMsh;i++) + GmfMshTab[i] = NULL; + + GmfIniFlg = 1; + } + + /*---------------------*/ + /* MESH STRUCTURE INIT */ + /*---------------------*/ + + for(i=1;i<=MaxMsh;i++) + if(!GmfMshTab[i]) + { + MshIdx = i; + break; + } + + if( !MshIdx || !(msh = calloc(1, sizeof(GmfMshSct))) ) + return(0); + + /* Copy the FilNam into the structure */ + + if(strlen(FilNam) + 7 >= GmfStrSiz) + return(0); + + strcpy(msh->FilNam, FilNam); + + /* Store the opening mod (read or write) and guess the filetype (binary or ascii) depending on the extension */ + + msh->mod = mod; + msh->buf = (void *)msh->DblBuf; + msh->FltBuf = (void *)msh->DblBuf; + msh->IntBuf = (void *)msh->DblBuf; + + if(strstr(msh->FilNam, ".meshb")) + msh->typ |= (Bin | MshFil); + else if(strstr(msh->FilNam, ".mesh")) + msh->typ |= (Asc | MshFil); + else if(strstr(msh->FilNam, ".solb")) + msh->typ |= (Bin | SolFil); + else if(strstr(msh->FilNam, ".sol")) + msh->typ |= (Asc | SolFil); + else + return(0); + + /* Open the file in the required mod and initialyse the mesh structure */ + + if(msh->mod == GmfRead) + { + + /*-----------------------*/ + /* OPEN FILE FOR READING */ + /*-----------------------*/ + + va_start(VarArg, mod); + PtrVer = va_arg(VarArg, int *); + PtrDim = va_arg(VarArg, int *); + va_end(VarArg); + + /* Create the name string and open the file */ + + if(!(msh->hdl = fopen(msh->FilNam, "rb"))) + return(0); + + /* Read the endian coding tag, the mesh version and the mesh dimension (mandatory kwd) */ + + if(msh->typ & Bin) + { + fread((unsigned char *)&msh->cod, WrdSiz, 1, msh->hdl); + + if( (msh->cod != 1) && (msh->cod != 16777216) ) + return(0); + + ScaWrd(msh, (unsigned char *)&msh->ver); + + if( (msh->ver < 1) || (msh->ver > 3) ) + return(0); + + if( (msh->ver == 3) && (sizeof(long) == 4) ) + return(0); + + ScaWrd(msh, (unsigned char *)&KwdCod); + + if(KwdCod != GmfDimension) + return(0); + + GetPos(msh); + ScaWrd(msh, (unsigned char *)&msh->dim); + } + else + { + do + { + res = fscanf(msh->hdl, "%s", str); + }while( (res != EOF) && strcmp(str, "MeshVersionFormatted") ); + + if(res == EOF) + return(0); + + fscanf(msh->hdl, "%d", &msh->ver); + + if( (msh->ver < 1) || (msh->ver > 3) ) + return(0); + + do + { + res = fscanf(msh->hdl, "%s", str); + }while( (res != EOF) && strcmp(str, "Dimension") ); + + if(res == EOF) + return(0); + + fscanf(msh->hdl, "%d", &msh->dim); + } + + if( (msh->dim != 2) && (msh->dim != 3) ) + return(0); + + (*PtrVer) = msh->ver; + (*PtrDim) = msh->dim; + + /*------------*/ + /* KW READING */ + /*------------*/ + + /* Read the list of kw present in the file */ + + if(!ScaKwdTab(msh)) + return(0); + + GmfMshTab[ MshIdx ] = msh; + + return(MshIdx); + } + else if(msh->mod == GmfWrite) + { + + /*-----------------------*/ + /* OPEN FILE FOR WRITING */ + /*-----------------------*/ + + msh->cod = 1; + + /* Check if the user provided a valid version number and dimension */ + + va_start(VarArg, mod); + msh->ver = va_arg(VarArg, int); + msh->dim = va_arg(VarArg, int); + va_end(VarArg); + + if( (msh->ver < 1) || (msh->ver > 3) ) + return(0); + + if( (msh->ver == 3) && (sizeof(long) == 4) ) + return(0); + + if( (msh->dim != 2) && (msh->dim != 3) ) + return(0); + + /* Create the mesh file */ + + if(!(msh->hdl = fopen(msh->FilNam, "wb"))) + return(0); + + GmfMshTab[ MshIdx ] = msh; + + + /*------------*/ + /* KW WRITING */ + /*------------*/ + + /* Write the mesh version and dimension */ + + if(msh->typ & Asc) + { + fprintf(msh->hdl, "%s %d\n\n", GmfKwdFmt[ GmfVersionFormatted ][0], msh->ver); + fprintf(msh->hdl, "%s %d\n", GmfKwdFmt[ GmfDimension ][0], msh->dim); + } + else + { + RecWrd(msh, (unsigned char *)&msh->cod); + RecWrd(msh, (unsigned char *)&msh->ver); + GmfSetKwd(MshIdx, GmfDimension, 0); + RecWrd(msh, (unsigned char *)&msh->dim); + } + + return(MshIdx); + } + else + return(0); +} + + +/*----------------------------------------------------------*/ +/* Close a meshfile in the right way */ +/*----------------------------------------------------------*/ + +int GmfCloseMesh(int MshIdx) +{ + int res = 1; + GmfMshSct *msh; + + if( (MshIdx < 1) || (MshIdx > MaxMsh) ) + return(0); + + msh = GmfMshTab[ MshIdx ]; + RecBlk(msh, msh->buf, 0); + + /* In write down the "End" kw in write mode */ + + if(msh->mod == GmfWrite) { + if(msh->typ & Asc) + fprintf(msh->hdl, "\n%s\n", GmfKwdFmt[ GmfEnd ][0]); + else + GmfSetKwd(MshIdx, GmfEnd, 0); + } + + /* Close the file and free the mesh structure */ + + if(fclose(msh->hdl)) + res = 0; + + free(msh); + GmfMshTab[ MshIdx ] = NULL; + + return(res); +} + + +/*----------------------------------------------------------*/ +/* Read the number of lines and set the position to this kwd*/ +/*----------------------------------------------------------*/ + +int GmfStatKwd(int MshIdx, int KwdCod, ...) +{ + int i, *PtrNmbTyp, *PtrSolSiz, *TypTab; + GmfMshSct *msh; + KwdSct *kwd; + va_list VarArg; + + if( (MshIdx < 1) || (MshIdx > MaxMsh) ) + return(0); + + msh = GmfMshTab[ MshIdx ]; + + if( (KwdCod < 1) || (KwdCod > GmfMaxKwd) ) + return(0); + + kwd = &msh->KwdTab[ KwdCod ]; + + if(!kwd->NmbLin) + return(0); + + /* Read further arguments if this kw is a sol */ + + if(kwd->typ == SolKwd) + { + va_start(VarArg, KwdCod); + + PtrNmbTyp = va_arg(VarArg, int *); + *PtrNmbTyp = kwd->NmbTyp; + + PtrSolSiz = va_arg(VarArg, int *); + *PtrSolSiz = kwd->SolSiz; + + TypTab = va_arg(VarArg, int *); + + for(i=0;iNmbTyp;i++) + TypTab[i] = kwd->TypTab[i]; + + va_end(VarArg); + } + + return(kwd->NmbLin); +} + + +/*----------------------------------------------------------*/ +/* Set the current file position to a given kwd */ +/*----------------------------------------------------------*/ + +int GmfGotoKwd(int MshIdx, int KwdCod) +{ + GmfMshSct *msh; + KwdSct *kwd; + + if( (MshIdx < 1) || (MshIdx > MaxMsh) ) + return(0); + + msh = GmfMshTab[ MshIdx ]; + + if( (KwdCod < 1) || (KwdCod > GmfMaxKwd) ) + return(0); + + kwd = &msh->KwdTab[ KwdCod ]; + + if(!kwd->NmbLin) + return(0); + + return(fseek(msh->hdl, kwd->pos, SEEK_SET)); +} + + +/*----------------------------------------------------------*/ +/* Write the kwd and set the number of lines */ +/*----------------------------------------------------------*/ + +int GmfSetKwd(int MshIdx, int KwdCod, ...) +{ + int i, NmbLin=0, *TypTab; + long CurPos; + va_list VarArg; + GmfMshSct *msh; + KwdSct *kwd; + + if( (MshIdx < 1) || (MshIdx > MaxMsh) ) + return(0); + + msh = GmfMshTab[ MshIdx ]; + RecBlk(msh, msh->buf, 0); + + if( (KwdCod < 1) || (KwdCod > GmfMaxKwd) ) + return(0); + + kwd = &msh->KwdTab[ KwdCod ]; + + /* Read further arguments if this kw has a header */ + + if(strlen(GmfKwdFmt[ KwdCod ][2])) + { + va_start(VarArg, KwdCod); + NmbLin = va_arg(VarArg, int); + + if(!strcmp(GmfKwdFmt[ KwdCod ][3], "sr")) + { + kwd->NmbTyp = va_arg(VarArg, int); + TypTab = va_arg(VarArg, int *); + + for(i=0;iNmbTyp;i++) + kwd->TypTab[i] = TypTab[i]; + } + + va_end(VarArg); + } + + /* Setup the kwd info */ + + ExpFmt(msh, KwdCod); + + if(!kwd->typ) + return(0); + else if(kwd->typ == InfKwd) + kwd->NmbLin = 1; + else + kwd->NmbLin = NmbLin; + + /* Store the next kwd position in binary file */ + + if( (msh->typ & Bin) && msh->NexKwdPos ) + { + CurPos = ftell(msh->hdl); + fseek(msh->hdl, msh->NexKwdPos, SEEK_SET); + SetPos(msh, CurPos); + fseek(msh->hdl, CurPos, SEEK_SET); + } + + /* Write the header */ + + if(msh->typ & Asc) + { + fprintf(msh->hdl, "\n%s\n", GmfKwdFmt[ KwdCod ][0]); + + if(kwd->typ != InfKwd) + fprintf(msh->hdl, "%d\n", kwd->NmbLin); + + /* In case of solution field, write the extended header */ + + if(kwd->typ == SolKwd) + { + fprintf(msh->hdl, "%d ", kwd->NmbTyp); + + for(i=0;iNmbTyp;i++) + fprintf(msh->hdl, "%d ", kwd->TypTab[i]); + + fprintf(msh->hdl, "\n\n"); + } + } + else + { + RecWrd(msh, (unsigned char *)&KwdCod); + msh->NexKwdPos = ftell(msh->hdl); + SetPos(msh, 0); + + if(kwd->typ != InfKwd) + RecWrd(msh, (unsigned char *)&kwd->NmbLin); + + /* In case of solution field, write the extended header at once */ + + if(kwd->typ == SolKwd) + { + RecWrd(msh, (unsigned char *)&kwd->NmbTyp); + + for(i=0;iNmbTyp;i++) + RecWrd(msh, (unsigned char *)&kwd->TypTab[i]); + } + } + msh->pos = 0; + return(kwd->NmbLin); +} + + +/*----------------------------------------------------------*/ +/* Read a full line from the current kwd */ +/*----------------------------------------------------------*/ + +void GmfGetLin(int MshIdx, int KwdCod, ...) +{ + int i, j; + float *FltSolTab; + double *DblSolTab; + va_list VarArg; + GmfMshSct *msh = GmfMshTab[ MshIdx ]; + KwdSct *kwd = &msh->KwdTab[ KwdCod ]; + + /* Start decoding the arguments */ + + va_start(VarArg, KwdCod); + + if(kwd->typ != SolKwd) + { + if(msh->ver == 1) + { + if(msh->typ & Asc) + { + for(i=0;iSolSiz;i++) + if(kwd->fmt[i] == 'r') + fscanf(msh->hdl, "%f", va_arg(VarArg, float *)); + else + fscanf(msh->hdl, "%d", va_arg(VarArg, int *)); + } + else + { + ScaBlk(msh, msh->buf, kwd->SolSiz); + + for(i=0;iSolSiz;i++) + if(kwd->fmt[i] == 'r') + *(va_arg(VarArg, float *)) = msh->FltBuf[i]; + else + *(va_arg(VarArg, int *)) = msh->IntBuf[i]; + } + } + else + { + if(msh->typ & Asc) + { + for(i=0;iSolSiz;i++) + if(kwd->fmt[i] == 'r') + fscanf(msh->hdl, "%lf", va_arg(VarArg, double *)); + else + fscanf(msh->hdl, "%d", va_arg(VarArg, int *)); + } + else + for(i=0;iSolSiz;i++) + if(kwd->fmt[i] == 'r') + ScaDblWrd(msh, (unsigned char *)va_arg(VarArg, double *)); + else + ScaWrd(msh, (unsigned char *)va_arg(VarArg, int *)); + } + } + else + { + if(msh->ver == 1) + { + FltSolTab = va_arg(VarArg, float *); + + if(msh->typ & Asc) + for(j=0;jSolSiz;j++) + fscanf(msh->hdl, "%f", &FltSolTab[j]); + else + ScaBlk(msh, (unsigned char *)FltSolTab, kwd->NmbWrd); + } + else + { + DblSolTab = va_arg(VarArg, double *); + + if(msh->typ & Asc) + for(j=0;jSolSiz;j++) + fscanf(msh->hdl, "%lf", &DblSolTab[j]); + else + for(j=0;jSolSiz;j++) + ScaDblWrd(msh, (unsigned char *)&DblSolTab[j]); + } + } + + va_end(VarArg); +} + + +/*----------------------------------------------------------*/ +/* Write a full line from the current kwd */ +/*----------------------------------------------------------*/ + +void GmfSetLin(int MshIdx, int KwdCod, ...) +{ + int i, j, pos, *IntBuf; + float *FltSolTab; + double *DblSolTab, *DblBuf; + va_list VarArg; + GmfMshSct *msh = GmfMshTab[ MshIdx ]; + KwdSct *kwd = &msh->KwdTab[ KwdCod ]; + + /* Start decoding the arguments */ + + va_start(VarArg, KwdCod); + + if(kwd->typ != SolKwd) + { + if(msh->ver == 1) + { + if(msh->typ & Asc) + { + for(i=0;iSolSiz;i++) + if(kwd->fmt[i] == 'r') + fprintf(msh->hdl, "%g ", (float)va_arg(VarArg, double)); + else + fprintf(msh->hdl, "%d ", va_arg(VarArg, int)); + } + else + { + for(i=0;iSolSiz;i++) + if(kwd->fmt[i] == 'r') + msh->FltBuf[i] = va_arg(VarArg, double); + else + msh->IntBuf[i] = va_arg(VarArg, int); + + RecBlk(msh, msh->buf, kwd->SolSiz); + } + } + else + { + if(msh->typ & Asc) + { + for(i=0;iSolSiz;i++) + if(kwd->fmt[i] == 'r') + fprintf(msh->hdl, "%.15lg ", va_arg(VarArg, double)); + else + fprintf(msh->hdl, "%d ", va_arg(VarArg, int)); + } + else + { + pos = 0; + + for(i=0;iSolSiz;i++) + if(kwd->fmt[i] == 'r') + { + DblBuf = (void *)&msh->buf[ pos ]; + *DblBuf = va_arg(VarArg, double); + pos += 8; + } + else + { + IntBuf = (void *)&msh->buf[ pos ]; + *IntBuf = va_arg(VarArg, int); + pos += 4; + } + RecBlk(msh, msh->buf, kwd->NmbWrd); + } + } + } + else + { + if(msh->ver == 1) + { + FltSolTab = va_arg(VarArg, float *); + + if(msh->typ & Asc) + for(j=0;jSolSiz;j++) + fprintf(msh->hdl, "%g ", FltSolTab[j]); + else + RecBlk(msh, (unsigned char *)FltSolTab, kwd->NmbWrd); + } + else + { + DblSolTab = va_arg(VarArg, double *); + + if(msh->typ & Asc) + for(j=0;jSolSiz;j++) + fprintf(msh->hdl, "%.15lg ", DblSolTab[j]); + else + RecBlk(msh, (unsigned char *)DblSolTab, kwd->NmbWrd); + } + } + + va_end(VarArg); + + if(msh->typ & Asc) + fprintf(msh->hdl, "\n"); +} + + +/*----------------------------------------------------------*/ +/* Private procedure for transmesh : copy a whole line */ +/*----------------------------------------------------------*/ + +void GmfCpyLin(int InpIdx, int OutIdx, int KwdCod) +{ + double d; + float f; + int i, a; + GmfMshSct *InpMsh = GmfMshTab[ InpIdx ], *OutMsh = GmfMshTab[ OutIdx ]; + KwdSct *kwd = &InpMsh->KwdTab[ KwdCod ]; + + for(i=0;iSolSiz;i++) + { + if(kwd->fmt[i] == 'r') + { + if(InpMsh->ver == 1) + { + if(InpMsh->typ & Asc) + fscanf(InpMsh->hdl, "%f", &f); + else + ScaWrd(InpMsh, (unsigned char *)&f); + + d = f; + } + else + { + if(InpMsh->typ & Asc) + fscanf(InpMsh->hdl, "%lf", &d); + else + ScaDblWrd(InpMsh, (unsigned char *)&d); + + f = (float)d; + } + + if(OutMsh->ver == 1) + if(OutMsh->typ & Asc) + fprintf(OutMsh->hdl, "%g ", f); + else + RecWrd(OutMsh, (unsigned char *)&f); + else + if(OutMsh->typ & Asc) + fprintf(OutMsh->hdl, "%.15g ", d); + else + RecDblWrd(OutMsh, (unsigned char *)&d); + } + else + { + if(InpMsh->typ & Asc) + fscanf(InpMsh->hdl, "%d", &a); + else + ScaWrd(InpMsh, (unsigned char *)&a); + + if(OutMsh->typ & Asc) + fprintf(OutMsh->hdl, "%d ", a); + else + RecWrd(OutMsh, (unsigned char *)&a); + } + } + + if(OutMsh->typ & Asc) + fprintf(OutMsh->hdl, "\n"); +} + + +/*----------------------------------------------------------*/ +/* Find every kw present in a meshfile */ +/*----------------------------------------------------------*/ + +static int ScaKwdTab(GmfMshSct *msh) +{ + int KwdCod; + long NexPos, CurPos, EndPos; + char str[ GmfStrSiz ]; + + if(msh->typ & Asc) + { + /* Scan each string in the file until the end */ + + while(fscanf(msh->hdl, "%s", str) != EOF) + { + /* Fast test in order to reject quickly the numeric values */ + + if(isalpha(str[0])) + { + /* Search which kwd code this string is associated with, + then get its header and save the curent position in file (just before the data) */ + + for(KwdCod=1; KwdCod<= GmfMaxKwd; KwdCod++) + if(!strcmp(str, GmfKwdFmt[ KwdCod ][0])) + { + ScaKwdHdr(msh, KwdCod); + break; + } + } + else if(str[0] == '#') + while(fgetc(msh->hdl) != '\n'); + } + } + else + { + /* Get file size */ + + CurPos = ftell(msh->hdl); + fseek(msh->hdl, 0, SEEK_END); + EndPos = ftell(msh->hdl); + fseek(msh->hdl, CurPos, SEEK_SET); + + /* Jump through kwd positions in the file */ + + do + { + /* Get the kwd code and the next kwd position */ + + ScaWrd(msh, (unsigned char *)&KwdCod); + NexPos = GetPos(msh); + + if(NexPos > EndPos) + return(0); + + /* Check if this kwd belongs to this mesh version */ + + if( (KwdCod >= 1) && (KwdCod <= GmfMaxKwd) ) + ScaKwdHdr(msh, KwdCod); + + /* Go to the next kwd */ + + if(NexPos) + fseek(msh->hdl, NexPos, SEEK_SET); + }while(NexPos && (KwdCod != GmfEnd)); + } + + return(1); +} + + +/*----------------------------------------------------------*/ +/* Read and setup the keyword's header */ +/*----------------------------------------------------------*/ + +static void ScaKwdHdr(GmfMshSct *msh, int KwdCod) +{ + int i; + KwdSct *kwd = &msh->KwdTab[ KwdCod ]; + + if(!strcmp("i", GmfKwdFmt[ KwdCod ][2])) + { + if(msh->typ & Asc) + fscanf(msh->hdl, "%d", &kwd->NmbLin); + else + ScaWrd(msh, (unsigned char *)&kwd->NmbLin); + } + else + kwd->NmbLin = 1; + + if(!strcmp("sr", GmfKwdFmt[ KwdCod ][3])) + { + if(msh->typ & Asc) + { + fscanf(msh->hdl, "%d", &kwd->NmbTyp); + + for(i=0;iNmbTyp;i++) + fscanf(msh->hdl, "%d", &kwd->TypTab[i]); + } + else + { + ScaWrd(msh, (unsigned char *)&kwd->NmbTyp); + + for(i=0;iNmbTyp;i++) + ScaWrd(msh, (unsigned char *)&kwd->TypTab[i]); + } + } + + ExpFmt(msh, KwdCod); + kwd->pos = ftell(msh->hdl); +} + + +/*----------------------------------------------------------*/ +/* Expand the compacted format and compute the line size */ +/*----------------------------------------------------------*/ + +static void ExpFmt(GmfMshSct *msh, int KwdCod) +{ + int i, j, TmpSiz=0; + char chr, *InpFmt = GmfKwdFmt[ KwdCod ][3]; + KwdSct *kwd = &msh->KwdTab[ KwdCod ]; + + /* Set the kwd's type */ + + if(!strlen(GmfKwdFmt[ KwdCod ][2])) + kwd->typ = InfKwd; + else if(!strcmp(InpFmt, "sr")) + kwd->typ = SolKwd; + else + kwd->typ = RegKwd; + + /* Get the solution-field's size */ + + if(kwd->typ == SolKwd) + for(i=0;iNmbTyp;i++) + switch(kwd->TypTab[i]) + { + case GmfSca : TmpSiz += 1; break; + case GmfVec : TmpSiz += msh->dim; break; + case GmfSymMat : TmpSiz += (msh->dim * (msh->dim+1)) / 2; break; + case GmfMat : TmpSiz += msh->dim * msh->dim; break; + } + + /* Scan each character from the format string */ + + i = kwd->SolSiz = kwd->NmbWrd = 0; + + while(i < strlen(InpFmt)) + { + chr = InpFmt[ i++ ]; + + if(chr == 'd') + { + chr = InpFmt[i++]; + + for(j=0;jdim;j++) + kwd->fmt[ kwd->SolSiz++ ] = chr; + } + else if(chr == 's') + { + chr = InpFmt[i++]; + + for(j=0;jfmt[ kwd->SolSiz++ ] = chr; + } + else + kwd->fmt[ kwd->SolSiz++ ] = chr; + } + + for(i=0;iSolSiz;i++) + if(kwd->fmt[i] == 'i') + kwd->NmbWrd++; + else if(msh->ver >= 2) + kwd->NmbWrd += 2; + else + kwd->NmbWrd++; +} + + +/*----------------------------------------------------------*/ +/* Read a four bytes word from a mesh file */ +/*----------------------------------------------------------*/ + +static void ScaWrd(GmfMshSct *msh, unsigned char *wrd) +{ + unsigned char swp; + + fread(wrd, WrdSiz, 1, msh->hdl); + + if(msh->cod == 1) + return; + + swp = wrd[3]; + wrd[3] = wrd[0]; + wrd[0] = swp; + + swp = wrd[2]; + wrd[2] = wrd[1]; + wrd[1] = swp; +} + + +/*----------------------------------------------------------*/ +/* Read an eight bytes word from a mesh file */ +/*----------------------------------------------------------*/ + +static void ScaDblWrd(GmfMshSct *msh, unsigned char *wrd) +{ + int i; + unsigned char swp; + + fread(wrd, WrdSiz, 2, msh->hdl); + + if(msh->cod == 1) + return; + + for(i=0;i<4;i++) + { + swp = wrd[7-i]; + wrd[7-i] = wrd[i]; + wrd[i] = swp; + } +} + + +/*----------------------------------------------------------*/ +/* Read ablock of four bytes word from a mesh file */ +/*----------------------------------------------------------*/ + +static void ScaBlk(GmfMshSct *msh, unsigned char *blk, int siz) +{ + int i, j; + unsigned char swp, *wrd; + + fread(blk, WrdSiz, siz, msh->hdl); + + if(msh->cod == 1) + return; + + for(i=0;iver >= 3) + ScaDblWrd(msh, (unsigned char*)&pos); + else + { + ScaWrd(msh, (unsigned char*)&IntVal); + pos = IntVal; + } + + return(pos); +} + + +/*----------------------------------------------------------*/ +/* Write a four bytes word to a mesh file */ +/*----------------------------------------------------------*/ + +static void RecWrd(GmfMshSct *msh, unsigned char *wrd) +{ + fwrite(wrd, WrdSiz, 1, msh->hdl); +} + + +/*----------------------------------------------------------*/ +/* Write an eight bytes word to a mesh file */ +/*----------------------------------------------------------*/ + +static void RecDblWrd(GmfMshSct *msh, unsigned char *wrd) +{ + fwrite(wrd, WrdSiz, 2, msh->hdl); +} + + +/*----------------------------------------------------------*/ +/* Write a block of four bytes word to a mesh file */ +/*----------------------------------------------------------*/ + +static void RecBlk(GmfMshSct *msh, unsigned char *blk, int siz) +{ + /* Copy this line-block into the main mesh buffer */ + + if(siz) + { + memcpy(&msh->blk[ msh->pos ], blk, siz * WrdSiz); + msh->pos += siz * WrdSiz; + } + + /* When the buffer is full or this procedure is called with a 0 size, flush the cache on disk */ + + if( (msh->pos > BufSiz) || (!siz && msh->pos) ) + { + fwrite(msh->blk, 1, msh->pos, msh->hdl); + msh->pos = 0; + } +} + + +/*----------------------------------------------------------*/ +/* Read a 4 or 8 bytes position in mesh file */ +/*----------------------------------------------------------*/ + +static void SetPos(GmfMshSct *msh, long pos) +{ + int IntVal; + + if(msh->ver >= 3) + RecDblWrd(msh, (unsigned char*)&pos); + else + { + IntVal = pos; + RecWrd(msh, (unsigned char*)&IntVal); + } +} diff --git a/src/GHS3DPlugin/libmesh5.h b/src/GHS3DPlugin/libmesh5.h new file mode 100755 index 0000000..cfaf9fb --- /dev/null +++ b/src/GHS3DPlugin/libmesh5.h @@ -0,0 +1,152 @@ + + +/*----------------------------------------------------------*/ +/* */ +/* LIBMESH V 5.45 */ +/* */ +/*----------------------------------------------------------*/ +/* */ +/* Description: handle .meshb file format I/O */ +/* Author: Loic MARECHAL */ +/* Creation date: feb 16 2007 */ +/* Last modification: sep 27 2010 */ +/* */ +/*----------------------------------------------------------*/ + + +/*----------------------------------------------------------*/ +/* Defines */ +/*----------------------------------------------------------*/ + +#define GmfStrSiz 1024 +#define GmfMaxTyp 1000 +#define GmfMaxKwd 79 +#define GmfMshVer 1 +#define GmfRead 1 +#define GmfWrite 2 +#define GmfSca 1 +#define GmfVec 2 +#define GmfSymMat 3 +#define GmfMat 4 +#define GmfFloat 1 +#define GmfDouble 2 + +enum GmfKwdCod +{ + GmfReserved1, \ + GmfVersionFormatted, \ + GmfReserved2, \ + GmfDimension, \ + GmfVertices, \ + GmfEdges, \ + GmfTriangles, \ + GmfQuadrilaterals, \ + GmfTetrahedra, \ + GmfPrisms, \ + GmfHexahedra, \ + GmfIterationsAll, \ + GmfTimesAll, \ + GmfCorners, \ + GmfRidges, \ + GmfRequiredVertices, \ + GmfRequiredEdges, \ + GmfRequiredTriangles, \ + GmfRequiredQuadrilaterals, \ + GmfTangentAtEdgeVertices, \ + GmfNormalAtVertices, \ + GmfNormalAtTriangleVertices, \ + GmfNormalAtQuadrilateralVertices, \ + GmfAngleOfCornerBound, \ + GmfTrianglesP2, \ + GmfEdgesP2, \ + GmfSolAtPyramids, \ + GmfQuadrilateralsQ2, \ + GmfISolAtPyramids, \ + GmfReserved6, \ + GmfTetrahedraP2, \ + GmfReserved7, \ + GmfReserved8, \ + GmfHexahedraQ2, \ + GmfReserved9, \ + GmfReserved10, \ + GmfReserved17, \ + GmfReserved18, \ + GmfReserved19, \ + GmfReserved20, \ + GmfReserved21, \ + GmfReserved22, \ + GmfReserved23, \ + GmfReserved24, \ + GmfReserved25, \ + GmfReserved26, \ + GmfPolyhedra, \ + GmfPolygons, \ + GmfReserved29, \ + GmfPyramids, \ + GmfBoundingBox, \ + GmfBody, \ + GmfPrivateTable, \ + GmfReserved33, \ + GmfEnd, \ + GmfReserved34, \ + GmfReserved35, \ + GmfReserved36, \ + GmfReserved37, \ + GmfTangents, \ + GmfNormals, \ + GmfTangentAtVertices, \ + GmfSolAtVertices, \ + GmfSolAtEdges, \ + GmfSolAtTriangles, \ + GmfSolAtQuadrilaterals, \ + GmfSolAtTetrahedra, \ + GmfSolAtPrisms, \ + GmfSolAtHexahedra, \ + GmfDSolAtVertices, \ + GmfISolAtVertices, \ + GmfISolAtEdges, \ + GmfISolAtTriangles, \ + GmfISolAtQuadrilaterals, \ + GmfISolAtTetrahedra, \ + GmfISolAtPrisms, \ + GmfISolAtHexahedra, \ + GmfIterations, \ + GmfTime, \ + GmfReserved38 +}; + + +/*----------------------------------------------------------*/ +/* External procedures */ +/*----------------------------------------------------------*/ + +extern int GmfOpenMesh(const char *, int, ...); +extern int GmfCloseMesh(int); +extern int GmfStatKwd(int, int, ...); +extern int GmfGotoKwd(int, int); +extern int GmfSetKwd(int, int, ...); +extern void GmfGetLin(int, int, ...); +extern void GmfSetLin(int, int, ...); + + +/*----------------------------------------------------------*/ +/* Fortran 77 API */ +/*----------------------------------------------------------*/ + +#if defined(F77_NO_UNDER_SCORE) +#define call(x) x +#else +#define call(x) x ## _ +#endif + + +/*----------------------------------------------------------*/ +/* Transmesh private API */ +/*----------------------------------------------------------*/ + +#ifdef TRANSMESH + +extern char *GmfKwdFmt[ GmfMaxKwd + 1 ][4]; +extern int GmfCpyLin(int, int, int); + +#endif