ContentExtensionRule.cpp [plain text]
#include "config.h"
#include "ContentExtensionRule.h"
#if ENABLE(CONTENT_EXTENSIONS)
namespace WebCore {
namespace ContentExtensions {
ContentExtensionRule::ContentExtensionRule(const Trigger& trigger, const Action& action)
: m_trigger(trigger)
, m_action(action)
{
ASSERT(!m_trigger.urlFilter.isEmpty());
}
Action Action::deserialize(const SerializedActionByte* actions, const unsigned actionsLength, unsigned location)
{
switch (static_cast<ActionType>(actions[location])) {
case ActionType::BlockCookies:
return Action(ActionType::BlockCookies, location);
case ActionType::BlockLoad:
return Action(ActionType::BlockLoad, location);
case ActionType::IgnorePreviousRules:
return Action(ActionType::IgnorePreviousRules, location);
case ActionType::CSSDisplayNoneSelector: {
unsigned stringStartIndex = location + sizeof(ActionType) + sizeof(unsigned) + sizeof(bool);
RELEASE_ASSERT(actionsLength >= stringStartIndex);
unsigned selectorLength = *reinterpret_cast<const unsigned*>(&actions[location + sizeof(ActionType)]);
bool wideCharacters = actions[location + sizeof(ActionType) + sizeof(unsigned)];
if (wideCharacters) {
RELEASE_ASSERT(actionsLength >= stringStartIndex + selectorLength * sizeof(UChar));
return Action(ActionType::CSSDisplayNoneSelector, String(reinterpret_cast<const UChar*>(&actions[stringStartIndex]), selectorLength), location);
}
RELEASE_ASSERT(actionsLength >= stringStartIndex + selectorLength * sizeof(LChar));
return Action(ActionType::CSSDisplayNoneSelector, String(reinterpret_cast<const LChar*>(&actions[stringStartIndex]), selectorLength), location);
}
case ActionType::CSSDisplayNoneStyleSheet:
case ActionType::InvalidAction:
RELEASE_ASSERT_NOT_REACHED();
}
}
}
}
#endif // ENABLE(CONTENT_EXTENSIONS)