bool LocalStore::Delete(const char* identifier)
{
if (identifier == NULL)
{
return false;
}
Category* category = &m_rootCategory;
Entry* entry = NULL;
int identifierLen = strlen(identifier);
char* identifierCopy = new char[identifierLen];
memcpy(identifierCopy, identifier, identifierLen);
//Loop over tokens
char* nextToken = NULL;
char* token = strtok(identifierCopy, ".");
while (token != NULL)
{
//The next token is retrieved first so that we know which one is the last one.
nextToken = strtok(NULL, ".");
//If we haven't reached the last token, then the current one is a category.
if (nextToken != NULL)
{
category = category->GetSubcategory(token);
}
//Otherwise we've reached the value.
else
{
//Iterate through and delete
List<Entry*>& entries = category->GetEntries();
List<Entry*>::Node* n = entries.Begin();
while (n != NULL)
{
if (n->GetValue()->GetName() == token)
{
delete n->GetValue();
entries.Erase(n);
delete[] identifierCopy;
return true;
}
n = n->GetNext();
}
}
//Next token becomes current token for next loop iteration.
token = nextToken;
}
delete[] identifierCopy;
return false;
}
Entry* LocalStore::Get(const char* identifier)
{
if (identifier == NULL)
{
return NULL;
}
Category* category = &m_rootCategory;
Entry* entry = NULL;
int identifierLen = strlen(identifier);
char* identifierCopy = new char[identifierLen+1];
memcpy(identifierCopy, identifier, identifierLen);
identifierCopy[identifierLen] = NULL;
//Loop over tokens
char* nextToken = NULL;
char* token = strtok(identifierCopy, ".");
while (token != NULL)
{
//The next token is retrieved first so that we know which one is the last one.
nextToken = strtok(NULL, ".");
//If we haven't reached the last token, then the current one is a category.
if (nextToken != NULL)
{
category = category->GetSubcategory(token);
if (!category)
{
return NULL;
}
}
//Otherwise we've reached the value.
else
{
entry = category->GetEntryByName(token);
}
//Next token becomes current token for next loop iteration.
token = nextToken;
}
delete[] identifierCopy;
return entry;
}