source: trunk/src/mesh/node2d.cc @ 349

#include "node2d.h"

static const int NodeDim = 2;
//
// - serialize node (x y) 
// - store byte stream in buf
//
// Return: 
//      NULL: fail to allocate memory
//      valid pointer: point to buffer holding the byte stream
//
char* 
RpNode2d::serialize()
{
        int len = NodeDim * sizeof(int);

        char * buf = new char[len];
        serialize(buf);

        return buf;
}

//
// actual function that does the serialization
//
// Input:
//      buf: pointer to valid memory
//      len: number of bytes in buf
// Return:
//      error code for null pointer (defined in "util.h")
//      success
//
RP_ERROR 
RpNode2d::serialize(char* buf)
{
        if (buf == NULL) {
                RpAppendErr("RpElement::deserialize: null buffer");
                RpPrintErr();
                return RP_ERR_NULL_PTR;
        }

        char * ptr = buf;
        memcpy((void*)ptr, (void *)&m_x, sizeof(int));
        ptr += sizeof(int);
        memcpy((void*)ptr, (void *)&m_y, sizeof(int));

        return RP_SUCCESS;
}

RP_ERROR
RpNode2d::deserialize(const char* buf)
{
        if (buf == NULL) {
                RpAppendErr("RpElement::deserialize: null buffer");
                RpPrintErr();
                return RP_ERR_NULL_PTR;
        }

        char * ptr = (char*)buf;
        memcpy((void*)&m_x, (void *)ptr, sizeof(int));
        ptr += sizeof(int);
        memcpy((void*)&m_y, (void *)ptr, sizeof(int));
        
        return RP_SUCCESS;
}

void 
RpNode2d::print()
{
        printf("<node id=\"%d\"> %d %d </node>\n",m_id,m_x,m_y);
}