diff options
Diffstat (limited to 'src/corelib/json/qjsonarray.cpp')
-rw-r--r-- | src/corelib/json/qjsonarray.cpp | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/src/corelib/json/qjsonarray.cpp b/src/corelib/json/qjsonarray.cpp index e8d54b5b87..dc8851e8e7 100644 --- a/src/corelib/json/qjsonarray.cpp +++ b/src/corelib/json/qjsonarray.cpp @@ -256,8 +256,45 @@ QJsonArray QJsonArray::fromStringList(const QStringList &list) QJsonArray QJsonArray::fromVariantList(const QVariantList &list) { QJsonArray array; - for (QVariantList::const_iterator it = list.constBegin(); it != list.constEnd(); ++it) - array.append(QJsonValue::fromVariant(*it)); + if (list.isEmpty()) + return array; + + array.detach2(1024); + + QVector<QJsonPrivate::Value> values; + values.resize(list.size()); + QJsonPrivate::Value *valueData = values.data(); + uint currentOffset = sizeof(QJsonPrivate::Base); + + for (int i = 0; i < list.size(); ++i) { + QJsonValue val = QJsonValue::fromVariant(list.at(i)); + + bool latinOrIntValue; + int valueSize = QJsonPrivate::Value::requiredStorage(val, &latinOrIntValue); + + if (!array.detach2(valueSize)) + return QJsonArray(); + + QJsonPrivate::Value *v = valueData + i; + v->type = (val.t == QJsonValue::Undefined ? QJsonValue::Null : val.t); + v->latinOrIntValue = latinOrIntValue; + v->latinKey = false; + v->value = QJsonPrivate::Value::valueToStore(val, currentOffset); + if (valueSize) + QJsonPrivate::Value::copyData(val, (char *)array.a + currentOffset, latinOrIntValue); + + currentOffset += valueSize; + array.a->size = currentOffset; + } + + // write table + array.a->tableOffset = currentOffset; + if (!array.detach2(sizeof(QJsonPrivate::offset)*values.size())) + return QJsonArray(); + memcpy(array.a->table(), values.constData(), values.size()*sizeof(uint)); + array.a->length = values.size(); + array.a->size = currentOffset + sizeof(QJsonPrivate::offset)*values.size(); + return array; } |