void Renderer::NextSegment(const CAutoPtrList<Subtitle>& subs)
{
StringMapW<bool> names;
POSITION pos = subs.GetHeadPosition();
while(pos) names[subs.GetNext(pos)->m_name] = true;
pos = m_sra.GetStartPosition();
while(pos)
{
POSITION cur = pos;
const CStringW& name = m_sra.GetNextKey(pos);
if(!names.Lookup(name)) m_sra.RemoveAtPos(cur);
}
}
bool Definition::GetAsTime(Time& t, StringMapW<float>& offset, StringMapW<float>* n2n, int default_id)
{
Definition& time = (*this)[L"time"];
CStringW id;
if(time[L"id"].IsValue()) id = time[L"id"];
else id.Format(L"%d", default_id);
float scale = time[L"scale"].IsValue() ? time[L"scale"] : 1.0f;
if(time[L"start"].IsValue() && time[L"stop"].IsValue())
{
time[L"start"].GetAsNumber(t.start, n2n);
time[L"stop"].GetAsNumber(t.stop, n2n);
if(t.start.unit.IsEmpty()) t.start.value *= scale;
if(t.stop.unit.IsEmpty()) t.stop.value *= scale;
float o = 0;
offset.Lookup(id, o);
if(t.start.sign != 0) t.start.value = o + t.start.value;
if(t.stop.sign != 0) t.stop.value = t.start.value + t.stop.value;
offset[id] = t.stop.value;
return true;
}
return false;
}
void Definition::GetAsBoolean(bool& b)
{
static StringMapW<bool> s2b;
if(s2b.IsEmpty())
{
s2b[L"true"] = true;
s2b[L"on"] = true;
s2b[L"yes"] = true;
s2b[L"1"] = true;
s2b[L"false"] = false;
s2b[L"off"] = false;
s2b[L"no"] = false;
s2b[L"0"] = false;
}
if(!s2b.Lookup(m_value, b)) // m_status != boolean && m_status != number ||
{
throw Exception(_T("expected boolean"));
}
}