AtomicString FormKeyGenerator::formKey(const HTMLFormControlElementWithState& control)
{
HTMLFormElement* form = ownerFormForState(control);
if (!form) {
static NeverDestroyed<AtomicString> formKeyForNoOwner("No owner", AtomicString::ConstructFromLiteral);
return formKeyForNoOwner;
}
FormToKeyMap::const_iterator it = m_formToKeyMap.find(form);
if (it != m_formToKeyMap.end())
return it->value;
String signature = formSignature(*form);
ASSERT(!signature.isNull());
FormSignatureToNextIndexMap::AddResult result = m_formSignatureToNextIndexMap.add(signature, 0);
unsigned nextIndex = result.iterator->value++;
StringBuilder builder;
builder.append(signature);
builder.appendLiteral(" #");
builder.appendNumber(nextIndex);
AtomicString formKey = builder.toAtomicString();
m_formToKeyMap.add(form, formKey);
return formKey;
}
AtomicString FormKeyGenerator::formKey(const HTMLFormControlElementWithState& control)
{
HTMLFormElement* form = ownerFormForState(control);
if (!form) {
DEFINE_STATIC_LOCAL(AtomicString, formKeyForNoOwner, ("No owner"));
return formKeyForNoOwner;
}
FormToKeyMap::const_iterator it = m_formToKeyMap.find(form);
if (it != m_formToKeyMap.end())
return it->second;
String signature = formSignature(*form);
ASSERT(!signature.isNull());
FormSignatureToNextIndexMap::AddResult result = m_formSignatureToNextIndexMap.add(signature, 0);
unsigned nextIndex = result.iterator->second++;
StringBuilder builder;
builder.append(signature);
builder.append(" #");
builder.append(String::number(nextIndex));
AtomicString formKey = builder.toAtomicString();
m_formToKeyMap.add(form, formKey);
return formKey;
}