void nsMediaFragmentURIParser::Parse(nsACString& aRef)
{
// Create an array of possibly-invalid media fragments.
nsTArray< std::pair<nsCString, nsCString> > fragments;
nsCCharSeparatedTokenizer tokenizer(aRef, '&');
while (tokenizer.hasMoreTokens()) {
const nsCSubstring& nv = tokenizer.nextToken();
int32_t index = nv.FindChar('=');
if (index >= 0) {
nsAutoCString name;
nsAutoCString value;
NS_UnescapeURL(StringHead(nv, index), esc_Ref | esc_AlwaysCopy, name);
NS_UnescapeURL(Substring(nv, index + 1, nv.Length()),
esc_Ref | esc_AlwaysCopy, value);
fragments.AppendElement(make_pair(name, value));
}
}
// Parse the media fragment values.
bool gotTemporal = false, gotSpatial = false;
for (int i = fragments.Length() - 1 ; i >= 0 ; --i) {
if (gotTemporal && gotSpatial) {
// We've got one of each possible type. No need to look at the rest.
break;
} else if (!gotTemporal && fragments[i].first.EqualsLiteral("t")) {
nsAutoString value = NS_ConvertUTF8toUTF16(fragments[i].second);
gotTemporal = ParseNPT(nsDependentSubstring(value, 0));
} else if (!gotSpatial && fragments[i].first.EqualsLiteral("xywh")) {
nsAutoString value = NS_ConvertUTF8toUTF16(fragments[i].second);
gotSpatial = ParseXYWH(nsDependentSubstring(value, 0));
}
}
}
double nsMediaFragmentURIParser::GetEndTime()
{
for (PRUint32 i = 0; i < mFragments.Length(); ++i) {
PRUint32 index = mFragments.Length() - i - 1;
if (mFragments[index].mName.EqualsLiteral("t")) {
double start = -1;
double end = -1;
nsDependentSubstring s(mFragments[index].mValue, 0);
if (ParseNPT(s, start, end)) {
return end;
}
}
}
return -1;
}