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#include "CRSMConfig.hpp"
#include <QFile>
void ConfigBase::addConfigValue(QString name, ConfigValueBase* value)
{
configValues[name] = value;
}
void ConfigBase::setConfigValue(const QString &name, const QString &value)
{
ConfigValueBase& configValue = getConfigValue(name);
configValue.setValue(Util::unescape(value));
}
QString ConfigBase::getConfigValueLine(const QString &name)
{
if(configValues.contains(name))
{
ConfigValueBase& value = *configValues[name];
switch(value.type())
{
case ConfigValueType::Map:
{
QString ret;
const QMap<QString, QString>& values = (dynamic_cast<ConfigValueMap*>(&value))->getValues();
foreach(const QString& mapKey, values.keys())
{
ret += name + "[" + Util::escape(mapKey, '\\', "]") + "]" + " = " + Util::escape(values.value(mapKey)) + "\n";
}
return ret;
break;
}
case ConfigValueType::List:
{
QString ret;
foreach(const QString& val, (dynamic_cast<ConfigValueList*>(&value))->getValues())
{
ret += name + " += " + Util::escape(val) + "\n";
}
return ret;
break;
}
default:
return name + " = " + Util::escape(value.value()) + "\n";
}
}
else
{
throw ConfigException("Unknown config value \"" + name.toStdString() + "\"");
}
}
void ConfigBase::addConfigListEntry(const QString &name, const QString &value)
{
ConfigValueBase& configValue = getConfigValue(name);
if(configValue.type() != ConfigValueType::List)
{
throw ConfigException("Cannot add a list entry to a non-list-config value \"" + name.toStdString() + "\"");
}
((ConfigValueList*)&configValue)->append(Util::unescape(value));
}
void ConfigBase::removeConfigMapListEntry(const QString &name, const QString &value)
{
ConfigValueBase& configValue = getConfigValue(name);
if(configValue.type() == ConfigValueType::List)
{
((ConfigValueList*)&configValue)->remove(Util::unescape(value));
}
else if(configValue.type() == ConfigValueType::Map)
{
((ConfigValueMap*)&configValue)->remove(Util::unescape(value));
}
else
{
throw ConfigException("Cannot remove a list entry from a value which is neither a list nor a map \"" + name.toStdString() + "\"");
}
}
void ConfigBase::setConfigMapValue(const QString &name, const QString &key, const QString &value)
{
ConfigValueBase& configValue = getConfigValue(name);
if(configValue.type() != ConfigValueType::Map)
{
throw ConfigException("Cannot set a map value on a non-map-config value \"" + name.toStdString() + "\"");
}
((ConfigValueMap*)&configValue)->setKeyValue(Util::unescape(key), Util::unescape(value));
}
ConfigValueBase& ConfigBase::getConfigValue(const QString& name)
{
if(!configValues.contains(name))
{
throw ConfigException("Unknown config value \"" + name.toStdString() + "\"");
}
else
{
return *configValues[name];
}
}
QString ConfigBase::read(const QString &fileName, bool writeDefault)
{
curFileName = fileName;
QString ret = "";
QFile config(fileName);
if(!config.exists())
{
if(writeDefault)
{
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
{
return ret;
}
}
else if(config.open(QIODevice::ReadOnly | QIODevice::Text))
{
QString line;
for(size_t lineNr = 1; !config.atEnd(); ++lineNr)
{
try
{
line = config.readLine().trimmed();
setConfigLine(line);
}
catch(ConfigException e)
{
ret += fileName + ":" + QString::number(lineNr) + ": " + e.what() + "\n";
}
}
}
else
{
return fileName + ": The config-file could not be read.\n";
}
return ret;
}
bool ConfigBase::write(QString fileName)
{
if(fileName.isEmpty())
{
fileName = curFileName;
}
if(fileName.isEmpty())
{
return false;
}
QFile config(fileName);
if(config.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate))
{
foreach(const QString& key, configValues.keys())
{
config.write(getConfigValueLine(key).toUtf8());
}
return true;
}
else
{
return false;
}
}
void ConfigBase::setConfigLine(const QString &line)
{
static QRegExp valueExp(R"(^([^=]+)=(.*)$)");
static QRegExp listExp(R"(^([^=]+)\+=(.*)$)");
static QRegExp listMapRemoveExp(R"(^([^=]+)\-=(.*)$)");
static QRegExp mapExp(R"(^([^\[]+)\[((?:[^\]\\]|\\\]|\\\\)+)\]\s*=\s*(.*)$)");
if(listExp.exactMatch(line))
{
addConfigListEntry(listExp.cap(1).trimmed(), listExp.cap(2).trimmed());
}
else if(listMapRemoveExp.exactMatch(line))
{
removeConfigMapListEntry(listMapRemoveExp.cap(1).trimmed(), listMapRemoveExp.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());
}
else
{
throw ConfigException("Syntax error: unkown syntax");
}
}
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