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#include "CRSMConfig.hpp"
#include <QFile>
CRSMConfig::CRSMConfig()
{
}
void CRSMConfig::addConfigValue(QString name, CRSMConfigValueBase* value)
{
configValues[name] = value;
}
void CRSMConfig::setConfigValue(const QString &name, const QString &value)
{
CRSMConfigValueBase& configValue = getConfigValue(name);
configValue.setValue(value);
}
void CRSMConfig::addConfigListEntry(const QString &name, const QString &value)
{
CRSMConfigValueBase& configValue = getConfigValue(name);
if(configValue.type() != CRSMConfigValueType::List)
{
throw CRSMConfigException("Cannot add a list entry to a non-list-config value \"" + name.toStdString() + "\"");
}
((CRSMConfigValueList*)&configValue)->append(value);
}
void CRSMConfig::setConfigMapValue(const QString &name, const QString &key, const QString &value)
{
CRSMConfigValueBase& configValue = getConfigValue(name);
if(configValue.type() != CRSMConfigValueType::Map)
{
throw CRSMConfigException("Cannot set a map value on a non-map-config value \"" + name.toStdString() + "\"");
}
((CRSMConfigValueMap*)&configValue)->setKeyValue(key, value);
}
CRSMConfigValueBase& CRSMConfig::getConfigValue(const QString& name)
{
if(!configValues.contains(name))
{
throw CRSMConfigException("Unknown config value \"" + name.toStdString() + "\"");
}
else
{
return *configValues[name];
}
}
QString CRSMConfig::read(const QString &fileName)
{
QString ret = "";
QFile config(fileName);
if(!config.exists())
{
if(write(fileName))
{
return fileName + ": The config-file did not exist, a new one with default values has been created.\n";
}
else
{
return fileName + ": The config-file did not exist, a new one could not be created.\n";
}
}
else if(config.open(QIODevice::ReadOnly | QIODevice::Text))
{
static QRegExp valueExp(R"(^([^=]+)=(.*)$)");
static QRegExp listExp(R"(^([^=]+)\+=(.*)$)");
static QRegExp mapExp(R"(^([^\[]+)\[([^\]]+)\]\s*=\s*(.*)$)");
QString line;
for(size_t lineNr = 1; !config.atEnd(); ++lineNr)
{
try
{
line = config.readLine().trimmed();
if(listExp.exactMatch(line))
{
addConfigListEntry(listExp.cap(1).trimmed(), listExp.cap(2).trimmed());
}
else if(mapExp.exactMatch(line))
{
setConfigMapValue(mapExp.cap(1).trimmed(), mapExp.cap(2).trimmed(), mapExp.cap(3).trimmed());
}
else if(valueExp.exactMatch(line))
{
setConfigValue(valueExp.cap(1).trimmed(), valueExp.cap(2).trimmed());
}
}
catch(CRSMConfigException e)
{
ret += fileName + ":" + QString::number(lineNr) + ": " + e.what() + "\n";
}
}
}
else
{
return fileName + ": The config-file could not be read.\n";
}
return ret;
}
bool CRSMConfig::write(const QString &fileName)
{
QFile config(fileName);
if(config.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate))
{
foreach(const QString& key, configValues.keys())
{
CRSMConfigValueBase& value = *configValues[key];
switch(value.type())
{
case CRSMConfigValueType::Map:
{
const QMap<QString, QString> values = (dynamic_cast<CRSMConfigValueMap*>(&value))->getValues();
foreach(const QString& mapKey, values.keys())
{
config.write(QString(key + "[" + mapKey + "]" + " = " + values.value(mapKey) + "\n").toUtf8());
}
break;
}
case CRSMConfigValueType::List:
foreach(const QString& val, (dynamic_cast<CRSMConfigValueList*>(&value))->getValues())
{
config.write(QString(key + " += " + val + "\n").toUtf8());
}
break;
default:
config.write(QString(key + " = " + value.value() + "\n").toUtf8());
}
}
return true;
}
else
{
return false;
}
}
void CRSMConfig::clear()
{
auto curConfigValues(configValues);
(*this) = CRSMConfig();
configValues = curConfigValues;
}
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