//-----------------------------------------------------------------------------
// <Options::ParseOptionsXML>
// Parse an XML file containing program options
//-----------------------------------------------------------------------------
bool Options::ParseOptionsXML
(
string const& _filename
)
{
TiXmlDocument doc;
if( !doc.LoadFile( _filename.c_str(), TIXML_ENCODING_UTF8 ) )
{
Log::Write(LogLevel_Warning, "Failed to Parse %s: %s", _filename.c_str(), doc.ErrorDesc());
return false;
}
Log::Write(LogLevel_Info, "Reading %s for Options", _filename.c_str());
TiXmlElement const* optionsElement = doc.RootElement();
// Read the options
TiXmlElement const* optionElement = optionsElement->FirstChildElement();
while( optionElement )
{
char const* str = optionElement->Value();
if( str && !strcmp( str, "Option" ) )
{
char const* name = optionElement->Attribute( "name" );
if( name )
{
Option* option = Find( name );
if( option )
{
char const* value = optionElement->Attribute( "value" );
if( value )
{
// Set the value
option->SetValueFromString( value );
}
}
}
}
optionElement = optionElement->NextSiblingElement();
}
return true;
}
//-----------------------------------------------------------------------------
// <Options::ParseOptionsXML>
// Parse an XML file containing program options
//-----------------------------------------------------------------------------
bool Options::ParseOptionsXML
(
string const& _filename
)
{
TiXmlDocument doc;
if( !doc.LoadFile( _filename.c_str(), TIXML_ENCODING_UTF8 ) )
{
return false;
}
TiXmlElement const* optionsElement = doc.RootElement();
// Read the options
TiXmlElement const* optionElement = optionsElement->FirstChildElement();
while( optionElement )
{
char const* str = optionElement->Value();
if( str && !strcmp( str, "Option" ) )
{
char const* name = optionElement->Attribute( "name" );
if( name )
{
Option* option = Find( name );
if( option )
{
char const* value = optionElement->Attribute( "value" );
if( value )
{
// Set the value
option->SetValueFromString( value );
}
}
}
}
optionElement = optionElement->NextSiblingElement();
}
return true;
}
//-----------------------------------------------------------------------------
// <Options::ParseOptionsString>
// Parse a string containing program options, such as a command line
//-----------------------------------------------------------------------------
bool Options::ParseOptionsString
(
string const& _commandLine
)
{
bool res = true;
int pos = 0;
int start = 0;
while( 1 )
{
pos = _commandLine.find_first_of( "--", start );
if( string::npos == pos )
{
break;
}
start = pos + 2;
// found an option. Get the name.
string optionName;
pos = _commandLine.find( " ", start );
if( string::npos == pos )
{
optionName = _commandLine.substr( start );
start = pos;
}
else
{
optionName = _commandLine.substr( start, pos-start );
start = pos + 1;
}
// Find the matching option object
Option* option = Find( optionName );
if( option )
{
// Read the values
int numValues = 0;
bool parsing = true;
while( parsing )
{
string value;
pos = _commandLine.find( " ", start );
if( string::npos == pos )
{
// Last value in string
value = _commandLine.substr( start );
parsing = false;
start = pos;
}
else
{
value = _commandLine.substr( start, pos-start );
start = pos+1;
}
if( !value.compare( 0, 2, "--" ) )
{
// Value is actually the next option.
if( !numValues )
{
// No values were read for this option
// This is ok only for bool options, where we assume no value means "true".
if( OptionType_Bool == option->m_type )
{
option->m_valueBool = true;
}
else
{
res = false;
}
}
}
else if( value.size() > 0 )
{
// Set the value
option->SetValueFromString( value );
}
}
}
}
return res;
}
