1 // Copyright (C) 2007-2012 CEA/DEN, EDF R&D
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.
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.
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
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 #ifndef MEDSPLITTER_MESHCOLLECTIONMEDXMLDRIVER_H
20 #define MEDSPLITTER_MESHCOLLECTIONMEDXMLDRIVER_H
23 #include <libxml/tree.h>
24 #include <libxml/parser.h>
25 #include <libxml/xpath.h>
26 #include <libxml/xpathInternals.h>
30 /*!reads a distributed field
32 * \param fields vector of fields (one field per subdomain)
33 * \param fieldname name of the field
34 * \param itnumber number of iteration
35 * \param ordernumber internal number inside the iteration
38 void MESHCollectionMedXMLDriver::_readFields(vector<MEDMEM::FIELD<T>* >& fields,char* fieldname, int itnumber, int ordernumber)
40 for (unsigned i=0; i<_collection->getMesh().size(); i++)
43 strcpy(filename,_filename[i].c_str());
44 cout << "maillage : " << filename << " champ : " << fieldname << endl;
45 // MEDMEM::FIELD<T>* field = new MEDMEM::FIELD<T>(MEDMEM::MED_DRIVER,filename,fieldname,itnumber,ordernumber);
46 fields.push_back (new MEDMEM::FIELD<T>(MEDMEM::MED_DRIVER,filename,fieldname,itnumber,ordernumber));
51 /*!writes a distributed field
53 * \param fields vector of fields (one field per subdomain)
54 * \param fieldname name of the field
57 void MESHCollectionMedXMLDriver::_writeFields(vector<MEDMEM::FIELD<T>* >& fields,char* fieldname)
59 xmlDocPtr master_doc=xmlParseFile(_master_filename.c_str());
62 throw MEDEXCEPTION("MEDSPLITTER writeFields - Master File does not exist");
66 xmlXPathContextPtr xpathCtx = xmlXPathNewContext(master_doc);
67 xmlXPathObjectPtr xpathObj = xmlXPathEvalExpression(BAD_CAST "//mapping/mesh", xpathCtx);
68 //assuming there is only one mesh in the XML file
69 xmlNodePtr mesh_node= xpathObj->nodesetval->nodeTab[0];
71 //adds the field to the master file if necessary
72 bool exist_field =false;
73 xpathObj = xmlXPathEvalExpression(BAD_CAST "//mapping/mesh/field", xpathCtx);
74 //assuming there is only one mesh in the XML file
75 int field_nr = xpathObj->nodesetval->nodeNr;
76 for (int i=0; i<field_nr; i++)
78 //field node has only one property
79 if ( strcmp((const char*)xpathObj->nodesetval->nodeTab[i]->properties->children->content, fieldname)==0)
83 xmlNodePtr field_node;
86 field_node = xmlNewChild(mesh_node, 0, BAD_CAST "field",0);
87 xmlNewProp(field_node,BAD_CAST "name",BAD_CAST fieldname);
91 for (unsigned i=0; i<_collection->getMesh().size(); i++)
94 strcpy(filename,_filename[i].c_str());
95 int driverid = fields[i]->addDriver(MEDMEM::MED_DRIVER, filename, fieldname);
96 fields[i]->write(driverid);
98 //adds the partition to the master file if the field had not been
102 xmlNodePtr chunk_node= xmlNewChild(field_node,0,BAD_CAST "chunk",0);
104 sprintf(id,"%d",i+1);
105 xmlNewProp(chunk_node,BAD_CAST "subdomain",BAD_CAST id);
106 //xmlNewProp(chunk_node,BAD_CAST "name", BAD_CAST fieldname);
107 //xmlNodePtr fieldname_node=
108 xmlNewChild(chunk_node,0,BAD_CAST "name", BAD_CAST fieldname);
112 xmlKeepBlanksDefault(0);
113 xmlSaveFormatFileEnc(_master_filename.c_str(), master_doc, "UTF-8", 1);
116 xmlXPathFreeContext(xpathCtx);
117 xmlFreeDoc(master_doc);
118 //xmlCleanupParser();