void JsonCursor::dump (triagens::basics::StringBuffer& buffer) {
buffer.appendText("\"result\":[");
size_t const n = batchSize();
// reserve 48 bytes per result document by default, but only
// if the specified batch size does not get out of hand
// otherwise specifying a very high batch size would make the allocation fail
// in every case, even if there were much less documents in the collection
if (n <= 50000) {
int res = buffer.reserve(n * 48);
if (res != TRI_ERROR_NO_ERROR) {
THROW_ARANGO_EXCEPTION(res);
}
}
for (size_t i = 0; i < n; ++i) {
if (! hasNext()) {
break;
}
if (i > 0) {
buffer.appendChar(',');
}
auto row = next();
if (row == nullptr) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_OUT_OF_MEMORY);
}
int res = TRI_StringifyJson(buffer.stringBuffer(), row);
if (res != TRI_ERROR_NO_ERROR) {
THROW_ARANGO_EXCEPTION(res);
}
}
buffer.appendText("],\"hasMore\":");
buffer.appendText(hasNext() ? "true" : "false");
if (hasNext()) {
// only return cursor id if there are more documents
buffer.appendText(",\"id\":\"");
buffer.appendInteger(id());
buffer.appendText("\"");
}
if (hasCount()) {
buffer.appendText(",\"count\":");
buffer.appendInteger(static_cast<uint64_t>(count()));
}
TRI_json_t const* extraJson = extra();
if (TRI_IsObjectJson(extraJson)) {
buffer.appendText(",\"extra\":");
TRI_StringifyJson(buffer.stringBuffer(), extraJson);
}
if (! hasNext()) {
// mark the cursor as deleted
this->deleted();
}
}
