NS_IMETHODIMP
mozSpellChecker::RemoveWordFromPersonalDictionary(const nsAString &aWord)
{
nsresult res;
PRUnichar empty=0;
if (!mPersonalDictionary)
return NS_ERROR_NULL_POINTER;
res = mPersonalDictionary->RemoveWord(PromiseFlatString(aWord).get(),&empty);
return res;
}
void Dictionary::BatchDelete(){
ifstream inp ("deletions.txt");
string line;
int found_count = 0;
if(inp.is_open()){
while(getline(inp,line)){
found_count += RemoveWord(line);
}
}
else{
cout << "Error : Reading deletions.txt!\n";
}
cout << "Removed Words count = " << found_count << endl;
}
//If we are a leaf node, then remove ourselves and decrement our parent's counter
void Dictionary::RemoveWord(DictionaryNode* node)
{
//Multiple people can try to remove this node at the same time, but only one will succeed
bool expected = false;
if (node->mIsDisabled.compare_exchange_strong(expected, true, std::memory_order_relaxed, std::memory_order_relaxed))
{
DictionaryNode* parent = node->mParent;
//fetch_sub is a post-decrement
if (parent->mChildrenCount.fetch_sub(1) == 1 && !parent->mIsDisabled.load() && (!parent->mIsWord || (parent->mIsWord && parent->mIsFound)))
{
//If a node no longer has children and has nothing depending on it, then we can try to cascade remove that one too
RemoveWord(parent);
}
}
}
