#include "config.h"
#include "ContentType.h"
#include "HTMLParserIdioms.h"
#include <wtf/JSONValues.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
ContentType::ContentType(String&& contentType)
: m_type(WTFMove(contentType))
{
}
ContentType::ContentType(const String& contentType)
: m_type(contentType)
{
}
const String& ContentType::codecsParameter()
{
static NeverDestroyed<String> codecs { "codecs"_s };
return codecs;
}
const String& ContentType::profilesParameter()
{
static NeverDestroyed<String> profiles { "profiles"_s };
return profiles;
}
String ContentType::parameter(const String& parameterName) const
{
String parameterValue;
String strippedType = m_type.stripWhiteSpace();
size_t semi = strippedType.find(';');
if (semi != notFound) {
size_t start = strippedType.findIgnoringASCIICase(parameterName, semi + 1);
if (start != notFound) {
start = strippedType.find('=', start + parameterName.length());
if (start != notFound) {
size_t quote = strippedType.find('\"', start + 1);
size_t end = strippedType.find('\"', start + 2);
if (quote != notFound && end != notFound)
start = quote;
else {
end = strippedType.find(';', start + 1);
if (end == notFound)
end = strippedType.length();
}
parameterValue = strippedType.substring(start + 1, end - (start + 1)).stripWhiteSpace();
}
}
}
return parameterValue;
}
String ContentType::containerType() const
{
String strippedType = m_type.stripWhiteSpace();
size_t semi = strippedType.find(';');
if (semi != notFound)
strippedType = strippedType.left(semi).stripWhiteSpace();
return strippedType;
}
static inline Vector<String> splitParameters(StringView parametersView)
{
Vector<String> result;
for (auto view : parametersView.split(','))
result.append(view.stripLeadingAndTrailingMatchedCharacters(isHTMLSpace<UChar>).toString());
return result;
}
Vector<String> ContentType::codecs() const
{
return splitParameters(parameter(codecsParameter()));
}
Vector<String> ContentType::profiles() const
{
return splitParameters(parameter(profilesParameter()));
}
String ContentType::toJSONString() const
{
auto object = JSON::Object::create();
object->setString("containerType"_s, containerType());
auto codecs = codecsParameter();
if (!codecs.isEmpty())
object->setString("codecs"_s, codecs);
auto profiles = profilesParameter();
if (!profiles.isEmpty())
object->setString("profiles"_s, profiles);
return object->toJSONString();
}
}