-// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
-
-#include <stdio.h>
-#include <gp_Pnt.hxx>
-//=======================================================================
-//function : HashCode
-//purpose :
-//=======================================================================
-inline Standard_Integer HashCode
- (const gp_Pnt& point, Standard_Integer Upper)
-{
- union
- {
- Standard_Real R[3];
- Standard_Integer I[6];
- } U;
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
- point.Coord(U.R[0],U.R[1],U.R[2]);
-
- return ::HashCode(U.I[0]/23+U.I[1]/19+U.I[2]/17+U.I[3]/13+U.I[4]/11+U.I[5]/7,Upper);
-}
-static Standard_Real tab1[3];
-static Standard_Real tab2[3];
-//=======================================================================
-//function : IsEqual
-//purpose :
-//=======================================================================
-inline Standard_Boolean IsEqual
- (const gp_Pnt& point1, const gp_Pnt& point2)
-{
- point1.Coord(tab1[0],tab1[1],tab1[2]);
- point2.Coord(tab2[0],tab2[1],tab2[2]);
- return (memcmp(tab1,tab2,sizeof(tab1)) == 0);
-}
#include "DriverSTL_R_SMDS_Mesh.h"
#include "SMDS_Mesh.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
+#include "SMESH_File.hxx"
-#include <OSD_Path.hxx>
-#include <OSD_File.hxx>
-#include <OSD_FromWhere.hxx>
-#include <OSD_Protection.hxx>
-#include <OSD_SingleProtection.hxx>
-#include <Standard_NoMoreObject.hxx>
-
-#include "utilities.h"
+#include <gp_Pnt.hxx>
+#include <Basics_Utils.hxx>
-static const int HEADER_SIZE = 84;
-static const int SIZEOF_STL_FACET = 50;
-//static const int STL_MIN_FILE_SIZE = 284;
-static const int ASCII_LINES_PER_FACET = 7;
+#include <NCollection_DataMap.hxx>
+#include <Standard_NoMoreObject.hxx>
+namespace
+{
+ struct Hasher
+ {
+ //=======================================================================
+ //function : HashCode
+ //purpose :
+ //=======================================================================
+ inline static Standard_Integer HashCode
+ (const gp_Pnt& point, Standard_Integer Upper)
+ {
+ union
+ {
+ Standard_Real R[3];
+ Standard_Integer I[6];
+ } U;
-//typedef NCollection_BaseCollection<SMDS_MeshNodePtr> DriverSTL_ColOfNodePtr;
+ point.Coord( U.R[0], U.R[1], U.R[2] );
+ return ::HashCode(U.I[0]/23+U.I[1]/19+U.I[2]/17+U.I[3]/13+U.I[4]/11+U.I[5]/7,Upper);
+ }
+ //=======================================================================
+ //function : IsEqual
+ //purpose :
+ //=======================================================================
+ inline static Standard_Boolean IsEqual
+ (const gp_Pnt& point1, const gp_Pnt& point2)
+ {
+ static Standard_Real tab1[3], tab2[3];
+ point1.Coord(tab1[0],tab1[1],tab1[2]);
+ point2.Coord(tab2[0],tab2[1],tab2[2]);
+ return (memcmp(tab1,tab2,sizeof(tab1)) == 0);
+ }
+ };
+ typedef NCollection_DataMap<gp_Pnt,SMDS_MeshNode*,Hasher> TDataMapOfPntNodePtr;
+
+ const int HEADER_SIZE = 84;
+ const int SIZEOF_STL_FACET = 50;
+ const int ASCII_LINES_PER_FACET = 7;
+ const int SIZE_OF_FLOAT = 4;
+ // const int STL_MIN_FILE_SIZE = 284;
+}
-#include <NCollection_DataMap.hxx>
-typedef NCollection_DataMap<gp_Pnt,SMDS_MeshNode*> DriverSTL_DataMapOfPntNodePtr;
//=======================================================================
//function : DriverSTL_R_SMDS_Mesh
-//purpose :
+//purpose :
//=======================================================================
DriverSTL_R_SMDS_Mesh::DriverSTL_R_SMDS_Mesh()
Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::Perform()
{
+ Kernel_Utils::Localizer loc;
+
Status aResult = DRS_OK;
- TCollection_AsciiString aFileName( (char *)myFile.c_str() );
- if ( aFileName.IsEmpty() ) {
+ if ( myFile.empty() ) {
fprintf(stderr, ">> ERREOR : invalid file name \n");
return DRS_FAIL;
}
- filebuf fic;
- Standard_IStream is(&fic);
- if (!fic.open(aFileName.ToCString(),ios::in)) {
- fprintf(stderr, ">> ERROR : cannot open file %s \n", aFileName.ToCString());
+ SMESH_File file( myFile, /*open=*/false );
+ if ( !file.open() ) {
+ fprintf(stderr, ">> ERROR : cannot open file %s \n", myFile.c_str());
return DRS_FAIL;
}
-
- OSD_Path aPath( aFileName );
- OSD_File file = OSD_File( aPath );
- file.Open(OSD_ReadOnly,OSD_Protection(OSD_RWD,OSD_RWD,OSD_RWD,OSD_RWD));
- unsigned char str[128];
- Standard_Integer lread,i;
- Standard_Address ach;
- ach = (Standard_Address)str;
// we skip the header which is in Ascii for both modes
- file.Read(ach,HEADER_SIZE,lread);
+ const char* data = file;
+ data += HEADER_SIZE;
- // we read 128 characters to detect if we have a non-ascii char
- file.Read(ach,sizeof(str),lread);
-
+ // we check 128 characters to detect if we have a non-ascii char
myIsAscii = Standard_True;
- for (i = 0; i < lread; ++i) {
- if (str[i] > '~') {
+ for (int i = 0; i < 128; ++i, ++data) {
+ if ( !isascii( *data ) && data < file.end() ) {
myIsAscii = Standard_False;
break;
}
}
-
- file.Close();
if ( !myMesh ) {
fprintf(stderr, ">> ERREOR : cannot create mesh \n");
}
if ( myIsAscii )
- aResult = readAscii();
+ aResult = readAscii( file );
else
- aResult = readBinary();
+ aResult = readBinary( file );
return aResult;
}
// static methods
-static Standard_Real readFloat(OSD_File& theFile)
+static Standard_Real readFloat(SMESH_File& theFile)
{
union {
- Standard_Boolean i;
+ Standard_Boolean i;
Standard_ShortReal f;
- }u;
+ } u;
- char c[4];
- Standard_Address adr;
- adr = (Standard_Address)c;
- Standard_Integer lread;
- theFile.Read(adr,4,lread);
+ const char* c = theFile;
u.i = c[0] & 0xFF;
u.i |= (c[1] & 0xFF) << 0x08;
u.i |= (c[2] & 0xFF) << 0x10;
u.i |= (c[3] & 0xFF) << 0x18;
+ theFile += SIZE_OF_FLOAT;
return u.f;
}
static SMDS_MeshNode* addNode(const gp_Pnt& P,
- DriverSTL_DataMapOfPntNodePtr& uniqnodes,
+ TDataMapOfPntNodePtr& uniqnodes,
SMDS_Mesh* theMesh)
{
SMDS_MeshNode* node = 0;
}
static SMDS_MeshNode* readNode(FILE* file,
- DriverSTL_DataMapOfPntNodePtr& uniqnodes,
+ TDataMapOfPntNodePtr& uniqnodes,
SMDS_Mesh* theMesh)
{
Standard_ShortReal coord[3];
return addNode( P, uniqnodes, theMesh );
}
-static SMDS_MeshNode* readNode(OSD_File& theFile,
- DriverSTL_DataMapOfPntNodePtr& uniqnodes,
+static SMDS_MeshNode* readNode(SMESH_File& theFile,
+ TDataMapOfPntNodePtr& uniqnodes,
SMDS_Mesh* theMesh)
{
- Standard_ShortReal coord[3];
- coord[0] = readFloat(theFile);
- coord[1] = readFloat(theFile);
- coord[2] = readFloat(theFile);
+ gp_Pnt coord;
+ coord.SetX( readFloat(theFile));
+ coord.SetY( readFloat(theFile));
+ coord.SetZ( readFloat(theFile));
- gp_Pnt P(coord[0],coord[1],coord[2]);
- return addNode( P, uniqnodes, theMesh );
+ return addNode( coord, uniqnodes, theMesh );
}
//=======================================================================
//purpose :
//=======================================================================
-Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::readAscii() const
+Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::readAscii(SMESH_File& theFile) const
{
Status aResult = DRS_OK;
- long ipos;
- Standard_Integer nbLines = 0;
- // Open the file
- TCollection_AsciiString aFileName( (char *)myFile.c_str() );
- FILE* file = fopen(aFileName.ToCString(),"r");
- fseek(file,0L,SEEK_END);
// get the file size
- long filesize = ftell(file);
- fclose(file);
- file = fopen(aFileName.ToCString(),"r");
-
+ long filesize = theFile.size();
+ theFile.close();
+
+ // Open the file
+ FILE* file = fopen( myFile.c_str(),"r");
+
// count the number of lines
- for (ipos = 0; ipos < filesize; ++ipos) {
+ Standard_Integer nbLines = 0;
+ for (long ipos = 0; ipos < filesize; ++ipos) {
if (getc(file) == '\n')
nbLines++;
}
// go back to the beginning of the file
-// fclose(file);
-// file = fopen(aFileName.ToCString(),"r");
rewind(file);
Standard_Integer nbTri = (nbLines / ASCII_LINES_PER_FACET);
- DriverSTL_DataMapOfPntNodePtr uniqnodes;
+ TDataMapOfPntNodePtr uniqnodes;
// skip header
while (getc(file) != '\n');
//purpose :
//=======================================================================
-Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::readBinary() const
+Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::readBinary(SMESH_File& file) const
{
Status aResult = DRS_OK;
- char buftest[5];
- Standard_Address adr;
- adr = (Standard_Address)buftest;
-
- TCollection_AsciiString aFileName( (char *)myFile.c_str() );
- OSD_File aFile = OSD_File(OSD_Path( aFileName ));
- aFile.Open(OSD_ReadOnly,OSD_Protection(OSD_RWD,OSD_RWD,OSD_RWD,OSD_RWD));
-
// the size of the file (minus the header size)
// must be a multiple of SIZEOF_STL_FACET
- // compute file size
- Standard_Integer filesize = aFile.Size();
+ long filesize = file.size();
if ( (filesize - HEADER_SIZE) % SIZEOF_STL_FACET !=0
// Commented to allow reading small files (ex: 1 face)
Standard_Integer nbTri = ((filesize - HEADER_SIZE) / SIZEOF_STL_FACET);
// skip the header
- aFile.Seek(HEADER_SIZE,OSD_FromBeginning);
+ file += HEADER_SIZE;
- DriverSTL_DataMapOfPntNodePtr uniqnodes;
- Standard_Integer lread;
+ TDataMapOfPntNodePtr uniqnodes;
for (Standard_Integer iTri = 0; iTri < nbTri; ++iTri) {
// ignore normals
- readFloat(aFile);
- readFloat(aFile);
- readFloat(aFile);
+ file += 3 * SIZE_OF_FLOAT;
// read vertices
- SMDS_MeshNode* node1 = readNode( aFile, uniqnodes, myMesh );
- SMDS_MeshNode* node2 = readNode( aFile, uniqnodes, myMesh );
- SMDS_MeshNode* node3 = readNode( aFile, uniqnodes, myMesh );
+ SMDS_MeshNode* node1 = readNode( file, uniqnodes, myMesh );
+ SMDS_MeshNode* node2 = readNode( file, uniqnodes, myMesh );
+ SMDS_MeshNode* node3 = readNode( file, uniqnodes, myMesh );
if (myIsCreateFaces)
myMesh->AddFace(node1,node2,node3);
// skip extra bytes
- aFile.Read(adr,2,lread);
+ file += 2;
}
- aFile.Close();
return aResult;
}
