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refs #321 Methods to read/write aircraft config packets from/to network

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This commit is contained in:
Roland Winklmeier
2015-01-19 18:14:33 +01:00
committed by Klaus Basan
parent a3e13db2ae
commit 466a9a24ef
5 changed files with 194 additions and 1 deletions
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39
src/blackmisc/blackmiscfreefunctions.cpp
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@@ -372,3 +372,42 @@ bool BlackMisc::Audio::startWindowsMixer()
QStringList parameterlist;
return QProcess::startDetached("SndVol.exe", parameterlist);
}
QJsonObject BlackMisc::getIncrementalObject(const QJsonObject &previousObject, const QJsonObject &currentObject)
{
QJsonObject incrementalObject = currentObject;
for (const auto &key : previousObject.keys())
{
if (previousObject.value(key).isObject())
{
auto child = getIncrementalObject(previousObject.value(key).toObject(), currentObject.value(key).toObject());
if (child.isEmpty()) incrementalObject.remove(key);
else incrementalObject.insert(key, child);
}
else
{
if (currentObject.value(key) == previousObject.value(key))
incrementalObject.remove(key);
}
}
return incrementalObject;
}
QJsonObject BlackMisc::applyIncrementalObject(const QJsonObject &previousObject, const QJsonObject &incrementalObject)
{
QJsonObject currentObject = previousObject;
for(const auto &key : incrementalObject.keys())
{
// If it is not an object, just insert the value
if (!incrementalObject.value(key).isObject())
{
currentObject.insert(key,incrementalObject.value(key));
}
else
{
auto child = applyIncrementalObject(currentObject.value(key).toObject(), incrementalObject.value(key).toObject());
currentObject.insert(key, child);
}
}
return currentObject;
}

8
src/blackmisc/blackmiscfreefunctions.h
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@@ -184,6 +184,14 @@ namespace BlackMisc
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
//! Creates an incremental json object from two existing objects
QJsonObject getIncrementalObject(const QJsonObject &previousObject, const QJsonObject &currentObject);
//! Merges an incremental json object into an existing one
QJsonObject applyIncrementalObject(const QJsonObject &previousObject, const QJsonObject &incrementalObject);
} // BlackMisc
#endif // guard