diff options
Diffstat (limited to 'src/corelib/serialization/qcborarray.cpp')
-rw-r--r-- | src/corelib/serialization/qcborarray.cpp | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/src/corelib/serialization/qcborarray.cpp b/src/corelib/serialization/qcborarray.cpp index 921fcf2fca..c56536cdb1 100644 --- a/src/corelib/serialization/qcborarray.cpp +++ b/src/corelib/serialization/qcborarray.cpp @@ -297,7 +297,8 @@ QCborValue QCborArray::at(qsizetype i) const \fn QCborValueRef QCborArray::operator[](qsizetype i) Returns a reference to the QCborValue element at position \a i in the - array. The array must have at least \a i elements. + array. Indices beyond the end of the array will grow the array, filling + with undefined entries, until it has an entry at the specified index. QCborValueRef has the exact same API as \l QCborValue, with one important difference: if you assign new values to it, this map will be updated with @@ -311,27 +312,34 @@ QCborValue QCborArray::at(qsizetype i) const \fn void QCborArray::insert(qsizetype i, const QCborValue &value) \fn void QCborArray::insert(qsizetype i, QCborValue &&value) - Inserts \a value into the array at position \a i in this array. The array - must have at least \a i elements before the insertion. + Inserts \a value into the array at position \a i in this array. If \a i is + -1, the entry is appended to the array. Pads the array with invalid entries + if \a i is greater than the prior size of the array. \sa at(), operator[](), first(), last(), prepend(), append(), removeAt(), takeAt(), extract() */ void QCborArray::insert(qsizetype i, const QCborValue &value) { - Q_ASSERT(size_t(i) <= size_t(size()) || i == -1); - if (i < 0) + if (i < 0) { + Q_ASSERT(i == -1); i = size(); - detach(qMax(i + 1, size())); + detach(i + 1); + } else { + d = QCborContainerPrivate::grow(d.data(), i); // detaches + } d->insertAt(i, value); } void QCborArray::insert(qsizetype i, QCborValue &&value) { - Q_ASSERT(size_t(i) <= size_t(size()) || i == -1); - if (i < 0) + if (i < 0) { + Q_ASSERT(i == -1); i = size(); - detach(qMax(i + 1, size())); + detach(i + 1); + } else { + d = QCborContainerPrivate::grow(d.data(), i); // detaches + } d->insertAt(i, value, QCborContainerPrivate::MoveContainer); QCborContainerPrivate::resetValue(value); } |