/**
* @brief Convert string value to desired type.
* @param [in, out] value Value to convert.
* @param [in] nType Type to convert to.
* @return true if conversion succeeded, false otherwise.
* @note Only supports converting to integer and boolean at the moment.
* @todo Add other conversions (float?).
*/
bool COption::ConvertString(varprop::VariantValue & value, varprop::VT_TYPE nType)
{
String svalue = value.GetString();
switch(nType)
{
case varprop::VT_INT:
// Convert string to integer
{
int val=0;
if (!GetAsInt(svalue.c_str(), val))
return false;
value.SetInt(val);
return true;
}
case varprop::VT_BOOL:
// Convert string to boolean
{
std::transform(svalue.begin(), svalue.end(), svalue.begin(), ::tolower);
if (svalue == _T("1") || !svalue.compare(_T("yes"))
|| !svalue.compare(_T("true")))
{
value.SetBool(true);
return true;
}
if (svalue == _T("0") || !svalue.compare(_T("no"))
|| !svalue.compare(_T("false")))
{
value.SetBool(false);
return true;
}
return false;
}
}
return false;
}
/**
* @brief Set name, value and default value for option
* @param [in] name Name of option with full path ("Settings/AutomaticRescan")
* @param [in] defaultValue Default value for option. This value
* is restored for otion when Reset() is run.
* @sa COption::Reset()
*/
int COption::Init(LPCTSTR name, varprop::VariantValue defaultValue)
{
int retVal = OPT_OK;
m_strName = name;
if (m_strName.empty())
return OPT_ERR;
// Dont' check type here since we are initing it!
varprop::VT_TYPE inType = defaultValue.GetType();
switch (inType)
{
case varprop::VT_NULL:
retVal = OPT_UNKNOWN_TYPE;
break;
case varprop::VT_BOOL:
m_value.SetBool(defaultValue.GetBool());
m_valueDef.SetBool(defaultValue.GetBool());
break;
case varprop::VT_INT:
m_value.SetInt(defaultValue.GetInt());
m_valueDef.SetInt(defaultValue.GetInt());
break;
case varprop::VT_FLOAT:
m_value.SetFloat(defaultValue.GetFloat());
m_valueDef.SetFloat(defaultValue.GetFloat());
break;
case varprop::VT_STRING:
m_value.SetString(defaultValue.GetString());
m_valueDef.SetString(defaultValue.GetString());
break;
case varprop::VT_TIME:
m_value.SetTime(defaultValue.GetTime());
m_valueDef.SetTime(defaultValue.GetTime());
break;
default:
retVal = OPT_UNKNOWN_TYPE;
}
return retVal;
}
/**
* @brief Set option value.
*
* Set new value for option. If automatic conversion is not allowed,
* type of value must match to type set when option was initialised.
* @param [in] value New value to set.
* @param [in] allowConversion Is automatic type conversion allowed?
* @sa COption::Init()
*/
int COption::Set(varprop::VariantValue value, bool allowConversion)
{
int retVal = OPT_OK;
// Check that type matches
varprop::VT_TYPE inType = value.GetType();
if (value.GetType() != m_value.GetType())
{
if (allowConversion)
{
if (ConvertType(value, m_value.GetType()))
return Set(value);
}
_RPTF1(_CRT_ERROR, "Wrong type for option: %s", m_strName.c_str());
return OPT_WRONG_TYPE;
}
switch (inType)
{
case varprop::VT_NULL:
retVal = OPT_UNKNOWN_TYPE;
break;
case varprop::VT_BOOL:
m_value.SetBool(value.GetBool());
break;
case varprop::VT_INT:
m_value.SetInt(value.GetInt());
break;
case varprop::VT_FLOAT:
m_value.SetFloat(value.GetFloat());
break;
case varprop::VT_STRING:
m_value.SetString(value.GetString());
break;
case varprop::VT_TIME:
m_value.SetTime(value.GetTime());
break;
default:
retVal = OPT_UNKNOWN_TYPE;
}
return retVal;
}
/**
* @brief Set option value.
*
* Set new value for option. If automatic conversion is not allowed,
* type of value must match to type set when option was initialised.
* @param [in] value New value to set.
* @param [in] allowConversion Is automatic type conversion allowed?
* @sa COption::Init()
*/
int COption::Set(const varprop::VariantValue& value, bool allowConversion)
{
int retVal = COption::OPT_OK;
// Check that type matches
varprop::VT_TYPE inType = value.GetType();
if (value.GetType() != m_value.GetType())
{
if (allowConversion)
{
varprop::VariantValue val(value);
if (ConvertType(val, m_value.GetType()))
return Set(val);
}
return COption::OPT_WRONG_TYPE;
}
switch (inType)
{
case varprop::VT_NULL:
retVal = OPT_UNKNOWN_TYPE;
break;
case varprop::VT_BOOL:
m_value.SetBool(value.GetBool());
break;
case varprop::VT_INT:
m_value.SetInt(value.GetInt());
break;
case varprop::VT_FLOAT:
m_value.SetFloat(value.GetFloat());
break;
case varprop::VT_STRING:
m_value.SetString(value.GetString());
break;
case varprop::VT_TIME:
m_value.SetTime(value.GetTime());
break;
default:
retVal = OPT_UNKNOWN_TYPE;
}
return retVal;
}
/**
* @brief Change default value for option.
*
* Set new value for option default value. If automatic conversion is not
* allowed, type of value must match to type set when option was initialised.
* @param [in] defaultValue New default value.
* @sa COption::Init()
*/
int COption::SetDefault(varprop::VariantValue defaultValue)
{
int retVal = OPT_OK;
// Check that type matches
varprop::VT_TYPE inType = defaultValue.GetType();
if (inType != m_valueDef.GetType())
{
_RPTF1(_CRT_ERROR, "Wrong type for option: %s!", m_strName.c_str());
return OPT_WRONG_TYPE;
}
switch (inType)
{
case varprop::VT_NULL:
retVal = OPT_UNKNOWN_TYPE;
break;
case varprop::VT_BOOL:
m_valueDef.SetBool(defaultValue.GetBool());
break;
case varprop::VT_INT:
m_valueDef.SetInt(defaultValue.GetInt());
break;
case varprop::VT_FLOAT:
m_valueDef.SetFloat(defaultValue.GetFloat());
break;
case varprop::VT_STRING:
m_valueDef.SetString(defaultValue.GetString());
break;
case varprop::VT_TIME:
m_valueDef.SetTime(defaultValue.GetTime());
break;
default:
retVal = OPT_UNKNOWN_TYPE;
}
return retVal;
}
/**
* @brief Change default value for option.
*
* Set new value for option default value. If automatic conversion is not
* allowed, type of value must match to type set when option was initialised.
* @param [in] defaultValue New default value.
* @sa COption::Init()
*/
int COption::SetDefault(const varprop::VariantValue& defaultValue)
{
int retVal = COption::OPT_OK;
// Check that type matches
varprop::VT_TYPE inType = defaultValue.GetType();
if (inType != m_valueDef.GetType())
{
return COption::OPT_WRONG_TYPE;
}
switch (inType)
{
case varprop::VT_NULL:
retVal = OPT_UNKNOWN_TYPE;
break;
case varprop::VT_BOOL:
m_valueDef.SetBool(defaultValue.GetBool());
break;
case varprop::VT_INT:
m_valueDef.SetInt(defaultValue.GetInt());
break;
case varprop::VT_FLOAT:
m_valueDef.SetFloat(defaultValue.GetFloat());
break;
case varprop::VT_STRING:
m_valueDef.SetString(defaultValue.GetString());
break;
case varprop::VT_TIME:
m_valueDef.SetTime(defaultValue.GetTime());
break;
default:
retVal = OPT_UNKNOWN_TYPE;
}
return retVal;
}