// returns 1 on adding item, 0 on successful update of item, -1 on error
int update(int itemId, int score)
{
int rval = 0;
int newscore = score;
ItemTreeNode itnode = findItem(itemId, item_root);
if(itnode == NULL)
{
rval = 1;
itnode = createItemTreeNode();
if(itnode == NULL)
return -1;
itnode->item = createItemNode(itemId);
if(itnode->item == NULL)
return -1;
itnode->score = 0;
item_root = addItemTreeNode(item_root, itnode);
}
ScoreTreeNode snode;
if(itnode->score > 0)
{
snode = findScore(itnode->score, score_root);
newscore = score + itnode->score;
//printf("moving itemid %d to score %d from score %d\n", itnode->item->itemId, newscore, snode->score);
int populated = removeItemNode(snode, itnode->item);
if(!populated)
{
score_root = deleteScoreTreeNode(score_root, snode);
}
itnode->score = 0;
}
snode = findScore(newscore, score_root);
if(snode == NULL)
{
snode = createScoreTreeNode(newscore);
if(snode == NULL)
return -1;
score_root = addScoreTreeNode(score_root, snode);
}
addItemNode(snode, itnode->item);
itnode->score = snode->score;
app_stats.updates += 1;
return rval;
}
void ListParser::parseListItems(QStringList &lines, Node &listNode)
{
while (!lines.empty())
{
QChar itemNodeTypeChar(lines[0][0]);
// Embedded bullet list.
if (lines[0].length() > 1 &&
lines[0][1] == '*')
{
Buffer listBuffer;
while (!lines.empty() &&
lines[0].length() > 1 &&
lines[0][1] == '*')
{
listBuffer.append(lines[0].remove(0, 1) + '\n');
lines.removeFirst();
}
Node *insideItemNode = BulletListParser::parse(listBuffer);
CHECK(insideItemNode);
if (listNode.count() == 0)
listNode.append(createItemNode(itemNodeTypeChar));
listNode.last()->append(insideItemNode);
}
// Embedded numbered list.
else if (lines[0].length() > 1 &&
lines[0][1] == '#')
{
Buffer listBuffer;
while (!lines.empty() &&
lines[0].length() > 1 &&
lines[0][1] == '#')
{
listBuffer.append(lines[0].remove(0, 1) + '\n');
lines.removeFirst();
}
Node *insideItemNode = NumberedListParser::parse(listBuffer);
CHECK(insideItemNode);
if (listNode.count() == 0)
listNode.append(createItemNode(itemNodeTypeChar));
listNode.last()->append(insideItemNode);
}
// Embedded definition list.
else if (lines[0].length() > 1 &&
(lines[0][1] == ';' || lines[0][1] == ':'))
{
Buffer listBuffer;
while (!lines.empty() &&
lines[0].length() > 1 &&
(lines[0][1] == ';' || lines[0][1] == ':'))
{
listBuffer.append(lines[0].remove(0, 1) + '\n');
lines.removeFirst();
}
Node *insideItemNode = DefinitionListParser::parse(listBuffer);
CHECK(insideItemNode);
if (listNode.count() == 0)
listNode.append(createItemNode(itemNodeTypeChar));
listNode.last()->append(insideItemNode);
}
// Just a line of text.
else
{
Buffer textBuffer(lines[0].remove(0, 1).trimmed());
lines.removeFirst();
// Only add list item if it is not empty. MediaWiki does the same.
if (textBuffer.text().length() > 0)
{
listNode.append(createItemNode(itemNodeTypeChar));
TextBlockParser::parse(*listNode.last(), textBuffer);
}
}
}
}