barrier/server/CScreenMap.cpp

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2001-10-06 14:13:28 +00:00
#include "CScreenMap.h"
#include <assert.h>
//
// CScreenMap
//
CScreenMap::CScreenMap()
{
// do nothing
}
CScreenMap::~CScreenMap()
{
// do nothing
}
void CScreenMap::addScreen(const CString& name)
{
if (m_map.count(name) != 0) {
assert(0 && "name already in map"); // FIXME -- throw instead
}
m_map.insert(std::make_pair(name, CCell()));
}
void CScreenMap::removeScreen(const CString& name)
{
CCellMap::iterator index = m_map.find(name);
if (index == m_map.end()) {
assert(0 && "name not in map"); // FIXME -- throw instead
}
// remove from map
m_map.erase(index);
// disconnect
for (index = m_map.begin(); index != m_map.end(); ++index) {
CCell& cell = index->second;
for (SInt32 i = 0; kLastDirection - kFirstDirection; ++i)
if (cell.m_neighbor[i] == name) {
cell.m_neighbor[i].erase();
}
}
}
void CScreenMap::removeAllScreens()
{
m_map.clear();
}
void CScreenMap::connect(const CString& srcName,
EDirection srcSide,
const CString& dstName)
{
// find source cell
CCellMap::iterator index = m_map.find(srcName);
if (index == m_map.end()) {
assert(0 && "name not in map"); // FIXME -- throw instead
}
// connect side (overriding any previous connection)
index->second.m_neighbor[srcSide - kFirstDirection] = dstName;
}
void CScreenMap::disconnect(const CString& srcName,
EDirection srcSide)
{
// find source cell
CCellMap::iterator index = m_map.find(srcName);
if (index == m_map.end()) {
assert(0 && "name not in map"); // FIXME -- throw instead
}
// disconnect side
index->second.m_neighbor[srcSide - kFirstDirection].erase();
}
CString CScreenMap::getNeighbor(const CString& srcName,
EDirection srcSide) const
2001-10-06 14:13:28 +00:00
{
// find source cell
CCellMap::const_iterator index = m_map.find(srcName);
if (index == m_map.end()) {
assert(0 && "name not in map"); // FIXME -- throw instead
}
// return connection
return index->second.m_neighbor[srcSide - kFirstDirection];
}
const char* CScreenMap::dirName(EDirection dir)
{
static const char* s_name[] = { "left", "right", "top", "bottom" };
return s_name[dir - kFirstDirection];
}