QVariantMap HifiConfigVariantMap::mergeCLParametersWithJSONConfig(const QStringList& argumentList) {
QVariantMap mergedMap;
// Add anything in the CL parameter list to the variant map.
// Take anything with a dash in it as a key, and the values after it as the value.
const QString DASHED_KEY_REGEX_STRING = "(^-{1,2})([\\w-]+)";
QRegExp dashedKeyRegex(DASHED_KEY_REGEX_STRING);
int keyIndex = argumentList.indexOf(dashedKeyRegex);
int nextKeyIndex = 0;
// check if there is a config file to read where we can pull config info not passed on command line
const QString CONFIG_FILE_OPTION = "--config";
while (keyIndex != -1) {
if (argumentList[keyIndex] != CONFIG_FILE_OPTION) {
// we have a key - look forward to see how many values associate to it
QString key = dashedKeyRegex.cap(2);
nextKeyIndex = argumentList.indexOf(dashedKeyRegex, keyIndex + 1);
if (nextKeyIndex == keyIndex + 1) {
// there's no value associated with this option, it's a boolean
// so add it to the variant map with NULL as value
mergedMap.insertMulti(key, QVariant());
} else {
int maxIndex = (nextKeyIndex == -1) ? argumentList.size() : nextKeyIndex;
// there's at least one value associated with the option
// pull the first value to start
QString value = argumentList[keyIndex + 1];
// for any extra values, append them, with a space, to the value string
for (int i = keyIndex + 2; i < maxIndex; i++) {
value += " " + argumentList[i];
}
// add the finalized value to the merged map
mergedMap.insert(key, value);
}
keyIndex = nextKeyIndex;
} else {
keyIndex = argumentList.indexOf(dashedKeyRegex, keyIndex + 1);
}
}
int configIndex = argumentList.indexOf(CONFIG_FILE_OPTION);
if (configIndex != -1) {
// we have a config file - try and read it
QString configFilePath = argumentList[configIndex + 1];
QFile configFile(configFilePath);
if (configFile.exists()) {
qDebug() << "Reading JSON config file at" << configFilePath;
configFile.open(QIODevice::ReadOnly);
QJsonDocument configDocument = QJsonDocument::fromJson(configFile.readAll());
QJsonObject rootObject = configDocument.object();
// enumerate the keys of the configDocument object
foreach(const QString& key, rootObject.keys()) {
if (!mergedMap.contains(key)) {
// no match in existing list, add it
mergedMap.insert(key, QVariant(rootObject[key]));
}
}
} else {
QVariantMap HifiConfigVariantMap::mergeCLParametersWithJSONConfig(const QStringList& argumentList) {
QVariantMap mergedMap;
// Add anything in the CL parameter list to the variant map.
// Take anything with a dash in it as a key, and the values after it as the value.
const QString DASHED_KEY_REGEX_STRING = "(^-{1,2})([\\w-]+)";
QRegExp dashedKeyRegex(DASHED_KEY_REGEX_STRING);
int keyIndex = argumentList.indexOf(dashedKeyRegex);
int nextKeyIndex = 0;
// check if there is a config file to read where we can pull config info not passed on command line
const QString CONFIG_FILE_OPTION = "--config";
while (keyIndex != -1) {
if (argumentList[keyIndex] != CONFIG_FILE_OPTION) {
// we have a key - look forward to see how many values associate to it
QString key = dashedKeyRegex.cap(2);
nextKeyIndex = argumentList.indexOf(dashedKeyRegex, keyIndex + 1);
if (nextKeyIndex == keyIndex + 1 || keyIndex == argumentList.size() - 1) {
// this option is simply a switch, so add it to the map with a value of `true`
mergedMap.insertMulti(key, QVariant(true));
} else {
int maxIndex = (nextKeyIndex == -1) ? argumentList.size() : nextKeyIndex;
// there's at least one value associated with the option
// pull the first value to start
QString value = argumentList[keyIndex + 1];
// for any extra values, append them, with a space, to the value string
for (int i = keyIndex + 2; i < maxIndex; i++) {
value += " " + argumentList[i];
}
// add the finalized value to the merged map
mergedMap.insert(key, value);
}
keyIndex = nextKeyIndex;
} else {
keyIndex = argumentList.indexOf(dashedKeyRegex, keyIndex + 1);
}
}
int configIndex = argumentList.indexOf(CONFIG_FILE_OPTION);
QString configFilePath;
if (configIndex != -1) {
// we have a config file - try and read it
configFilePath = argumentList[configIndex + 1];
} else {
// no config file - try to read a file config.json at the system config path
configFilePath = QString("%1/%2/%3/config.json").arg(QStandardPaths::writableLocation(QStandardPaths::ConfigLocation),
QCoreApplication::organizationName(),
QCoreApplication::applicationName());
}
return mergedMap;
}