void VTTParser::collectMetadataHeader(const String& line)
{
// WebVTT header parsing (WebVTT parser algorithm step 12)
DEFINE_STATIC_LOCAL(const AtomicString, regionHeaderName, ("Region", AtomicString::ConstructFromLiteral));
// The only currently supported header is the "Region" header.
if (!RuntimeEnabledFeatures::webVTTRegionsEnabled())
return;
// Step 12.4 If line contains the character ":" (A U+003A COLON), then set metadata's
// name to the substring of line before the first ":" character and
// metadata's value to the substring after this character.
size_t colonPosition = line.find(':');
if (colonPosition == kNotFound)
return;
String headerName = line.substring(0, colonPosition);
// Steps 12.5 If metadata's name equals "Region":
if (headerName == regionHeaderName) {
String headerValue = line.substring(colonPosition + 1);
// Steps 12.5.1 - 12.5.11 Region creation: Let region be a new text track region [...]
createNewRegion(headerValue);
}
}
void WebVTTParser::collectMetadataHeader(const String& line)
{
#if ENABLE(WEBVTT_REGIONS)
// WebVTT header parsing (WebVTT parser algorithm step 12)
DEPRECATED_DEFINE_STATIC_LOCAL(const AtomicString, regionHeaderName, ("Region", AtomicString::ConstructFromLiteral));
// Step 12.4 If line contains the character ":" (A U+003A COLON), then set metadata's
// name to the substring of line before the first ":" character and
// metadata's value to the substring after this character.
size_t colonPosition = line.find(':');
if (colonPosition == notFound)
return;
String headerName = line.substring(0, colonPosition);
// Step 12.5 If metadata's name equals "Region":
if (headerName == regionHeaderName) {
String headerValue = line.substring(colonPosition + 1, line.length() - 1);
// Steps 12.5.1 - 12.5.11 Region creation: Let region be a new text track region [...]
createNewRegion(headerValue);
}
#else
UNUSED_PARAM(line);
#endif
}
void WebVTTParser::collectHeader(const String& line)
{
// 4.1 Extension of WebVTT header parsing (11 - 15)
DEFINE_STATIC_LOCAL(const AtomicString, regionHeaderName, ("Region", AtomicString::ConstructFromLiteral));
// 15.4 If line contains the character ":" (A U+003A COLON), then set metadata's
// name to the substring of line before the first ":" character and
// metadata's value to the substring after this character.
if (!line.contains(":"))
return;
unsigned colonPosition = line.find(":");
m_currentHeaderName = line.substring(0, colonPosition);
// 15.5 If metadata's name equals "Region":
if (m_currentHeaderName == regionHeaderName) {
m_currentHeaderValue = line.substring(colonPosition + 1, line.length() - 1);
// 15.5.1 - 15.5.8 Region creation: Let region be a new text track region [...]
createNewRegion();
}
}