#include "mgraph440/point.h"

namespace mgraph440 {

Point::~Point()

{

if (m_node) {

delete m_node;

m_node = NULL;

delete m_attributes;

m_attributes = NULL;

}

}

std::ifstream& Point::read(std::ifstream& stream, int version, int attr_count)

{

if (m_node) {

delete m_node;

m_node = NULL;

delete m_attributes;

m_attributes = NULL;

}

stream.read( (char *) &m_state, sizeof(m_state) );

// block is the same size as m_noderef used to be for ease of replacement:

// (note block NO LONGER used!)

stream.read( (char *) &m_block, sizeof(m_block) );

if (version < VERSION_BLOCKEDQUAD) {

m_block = 0;

}

stream.read( (char *) &m_misc, sizeof(m_misc) );

if (version >= VERSION_GRID_CONNECTIONS) {

stream.read( (char *) &m_grid_connections, sizeof(m_grid_connections) );

}

if (version >= VERSION_NGRAPH_INTROD) {

stream.read( (char *) &m_merge, sizeof(m_merge) );

bool ngraph;

stream.read( (char *) &ngraph, sizeof(ngraph) );

if (ngraph) {

m_node = new Node;

m_node->read(stream, version);

if (version < VERSION_ATTRIBUTES_TABLE) {

// don't deal with this here, just get the attributes into memory

m_attributes = new AttrBody(-1,g_attr_header);

m_attributes->read( stream, attr_count );

}

}

}

if (version >= VERSION_POINT_LOCATIONS) {

stream.read((char *) &m_location, sizeof(m_location));

}

if (version < VERSION_SHAPE_MAPS) {

// old layer information

m_data_objects.read(stream);

}

if (version >= VERSION_BOUNDARYGRAPH && version < VERSION_NEWBOUNDARYGRAPH) {

// dummy pvecint to hold old format boundary nodes

pvecint old_boundary_nodes;

old_boundary_nodes.read(stream);

}

return stream;

}

std::ostream& Point::write(std::ostream& stream, int version)

{

stream.write( (char *) &m_state, sizeof(m_state) );

// block is the same size as m_noderef used to be for ease of replacement:

// note block is no longer used at all

stream.write( (char *) &m_block, sizeof(m_block) );

stream.write( (char *) &m_misc, sizeof(m_misc) );

stream.write( (char *) &m_grid_connections, sizeof(m_grid_connections) );

stream.write( (char *) &m_merge, sizeof(m_merge) );

bool ngraph;

if (m_node) {

ngraph = true;

stream.write( (char *) &ngraph, sizeof(ngraph) );

m_node->write(stream, version);

}

else {

ngraph = false;

stream.write( (char *) &ngraph, sizeof(ngraph) );

}

stream.write((char *) &m_location, sizeof(m_location));

return stream;

}

}