bool CECTag::ReadFromSocket(CECSocket& socket)
{
ec_tagname_t tmp_tagName;
if (!socket.ReadNumber(&tmp_tagName, sizeof(ec_tagname_t))) {
return false;
}
m_tagName = tmp_tagName >> 1;
bool hasChildren = (tmp_tagName & 0x01) != 0;
if (!socket.ReadNumber(&m_dataType, sizeof(ec_tagtype_t))) {
return false;
}
if (!socket.ReadNumber(&m_dataLen, sizeof(ec_taglen_t))) {
return false;
}
if (hasChildren && !ReadChildren(socket)) {
return false;
}
unsigned int tmp_len = m_dataLen;
m_dataLen = 0;
m_dataLen = tmp_len - GetTagLen();
if (m_dataLen > 0) {
NewData();
if (!socket.ReadBuffer(m_tagData, m_dataLen)) {
return false;
}
} else {
m_tagData = NULL;
}
return true;
}
bool CECTag::WriteChildren(CECSocket& socket) const
{
uint16 tmp = (uint16)m_tagList.size();
if (!socket.WriteNumber(&tmp, sizeof(tmp))) return false;
for (const_iterator it = begin(); it != end(); ++it) {
if (!it->WriteTag(socket)) return false;
}
return true;
}
bool CECTag::WriteTag(CECSocket& socket) const
{
ec_tagname_t tmp_tagName = (m_tagName << 1) | (m_tagList.empty() ? 0 : 1);
ec_tagtype_t type = m_dataType;
ec_taglen_t tagLen = GetTagLen();
wxASSERT(type != EC_TAGTYPE_UNKNOWN);
if (!socket.WriteNumber(&tmp_tagName, sizeof(ec_tagname_t))) return false;
if (!socket.WriteNumber(&type, sizeof(ec_tagtype_t))) return false;
if (!socket.WriteNumber(&tagLen, sizeof(ec_taglen_t))) return false;
if (!m_tagList.empty()) {
if (!WriteChildren(socket)) return false;
}
if (m_dataLen > 0) {
if (m_tagData != NULL) { // This is here only to make sure everything, it should not be NULL at this point
if (!socket.WriteBuffer(m_tagData, m_dataLen)) return false;
}
}
return true;
}
bool CECTag::ReadChildren(CECSocket& socket)
{
uint16 tmp_tagCount;
if (!socket.ReadNumber(&tmp_tagCount, sizeof(uint16))) {
return false;
}
m_tagList.clear();
for (int i = 0; i < tmp_tagCount; i++) {
m_tagList.push_back(CECTag());
CECTag& tag = m_tagList.back();
if (!tag.ReadFromSocket(socket)) {
return false;
}
}
return true;
}