Questions tagged [qjsondocument]
8 questions
1
vote
1 answer
Cannot convert std::string to QJsonArray in Qt
The following text is a bit of std::string text that is generated by another app (I do not have control of what the app sends me). I have tried for days to get this converted into a QJsonArray and cannot figure this out. I am using C++ within QT. …
NotAChemist
- 11
- 1
1
vote
0 answers
How to preserve zeros at end of doubles in QJsonDocument?
I'm reading, parsing and writing back a JSON file in a QT project. Part of the requirements is that all entry's should be the same written out as declared in the source file.
One of the entries looks somewhat like this:
"SomeVal":…
Mathlight
- 6,436
- 17
- 62
- 107
0
votes
1 answer
Flatten multidimensional nested Qt Json structure like QJsonValue / QJsonObject / QJsonArray
Seeking a way of flattening a multidimensional nested QJsonValue containing all 6 basic data types (object, array, bool, double, String, Null).
Simple example for the purpose of understanding...Input:
{
"date": 1681693886,
"online": true,
…
marc
- 1,207
- 11
- 16
0
votes
0 answers
Save New line in JSON file in QT
I have a QString eg:
QString test = "Hello";
test += "\n";
test += "World";
I am saving this in a file :
QFile file("test.json");
if (!file.open(QIODevice::WriteOnly )) return;
jsonObj = QJsonObject()
jsonObj.insert("Key",test);
QJsonDocument…
HARSH MITTAL
- 750
- 4
- 17
0
votes
1 answer
Indexing unnamed QJsonDocument in Qt < 5.10
Given unnamed JSON document:
[
{
},
{
},
]
Qt 5.10+ has operator[] for QJsonDocument, so we can address any of them by index:
json_doc[1];
How does one do the same in older versions of Qt?
Amanda Helgström
- 115
- 1
- 1
- 8
0
votes
2 answers
Write in JSON file - Data not inserted in the correct order
I am creating a desktop app using QT C++ that take a text file and convert it to JSON File like this example:
{
"102": {
"NEUTRAL": {
"blend": "100"
},
"AE": {
"blend": "100"
}
},
…
it4Astuces
- 432
- 5
- 17
0
votes
1 answer
QJsonDocument to object is empty
I'm trying to parse a simple JSON data in Qt5.
Code looks like this :
...
socket->readDatagram(Buffer.data(),Buffer.size(),&sender,&senderPort);
QJsonParseError jsonError;
QJsonDocument dataJson =…
Maifee Ul Asad
- 3,992
- 6
- 38
- 86
0
votes
1 answer
QJsonDocument fails with a confusing error
Consider the following piece of code:
from PyQt5.QtCore import QJsonDocument
json = {
"catalog": [
{
"version": None,
},
]
}
QJsonDocument(json)
Under Python 3.7 and PyQt 5.14.2, it results in the following…
StSav012
- 776
- 5
- 15