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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:critical reason:data-parser
#include "qbinaryjsonarray_p.h"
#include "qbinaryjson_p.h"
#include <qjsonarray.h>
QT_BEGIN_NAMESPACE
QBinaryJsonArray::~QBinaryJsonArray()
{
if (d && !d->ref.deref())
delete d;
}
QBinaryJsonArray QBinaryJsonArray::fromJsonArray(const QJsonArray &array)
{
QBinaryJsonArray binary;
for (const QJsonValue value : array)
binary.append(QBinaryJsonValue::fromJsonValue(value));
if (binary.d) // We want to compact it as it is a root item now
binary.d->compactionCounter++;
binary.compact();
return binary;
}
void QBinaryJsonArray::append(const QBinaryJsonValue &value)
{
const uint i = a ? a->length() : 0;
bool compressed;
uint valueSize = QBinaryJsonPrivate::Value::requiredStorage(value, &compressed);
if (!detach(valueSize + sizeof(QBinaryJsonPrivate::Value)))
return;
if (!a->length())
a->tableOffset = sizeof(QBinaryJsonPrivate::Array);
uint valueOffset = a->reserveSpace(valueSize, i, 1, false);
if (!valueOffset)
return;
QBinaryJsonPrivate::Value *v = a->at(i);
v->setType(value.t == QJsonValue::Undefined ? QJsonValue::Null : value.t);
v->setIsLatinOrIntValue(compressed);
v->setIsLatinKey(false);
v->setValue(QBinaryJsonPrivate::Value::valueToStore(value, valueOffset));
if (valueSize) {
QBinaryJsonPrivate::Value::copyData(value, reinterpret_cast<char *>(a) + valueOffset,
compressed);
}
}
char *QBinaryJsonArray::takeRawData(uint *size)
{
if (d)
return d->takeRawData(size);
*size = 0;
return nullptr;
}
bool QBinaryJsonArray::detach(uint reserve)
{
if (!d) {
if (reserve >= QBinaryJsonPrivate::Value::MaxSize) {
qWarning("QBinaryJson: Document too large to store in data structure");
return false;
}
d = new QBinaryJsonPrivate::MutableData(reserve, QJsonValue::Array);
a = static_cast<QBinaryJsonPrivate::Array *>(d->header->root());
d->ref.ref();
return true;
}
if (reserve == 0 && d->ref.loadRelaxed() == 1)
return true;
QBinaryJsonPrivate::MutableData *x = d->clone(a, reserve);
if (!x)
return false;
x->ref.ref();
if (!d->ref.deref())
delete d;
d = x;
a = static_cast<QBinaryJsonPrivate::Array *>(d->header->root());
return true;
}
void QBinaryJsonArray::compact()
{
if (!d || !d->compactionCounter)
return;
detach();
d->compact();
a = static_cast<QBinaryJsonPrivate::Array *>(d->header->root());
}
QT_END_NAMESPACE
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