///-----------------------------------------------------------------------
/// Retrieves the named property (as either an attribute or child node)
/// and returns it as a string. Processes the result through the variables
/// system to expand it before returning the expanded value.
///-----------------------------------------------------------------------
std::string GetPropertyValueAsStringWithVariableLookup( const XMLNode& node, const std::string& propertyName )
{
std::string valueBeforeVariableLookup = GetPropertyValueAsString( node, propertyName );
std::string valueAfterVariableLookup = valueBeforeVariableLookup; // JazzSubstitutionVariableSet::ExpandJazzVariablesInString( valueBeforeVariableLookup );
return valueAfterVariableLookup ;
}
///------------------------------------------------------------------
/// Retrieves the named property (as either an attribute or child node)
/// and returns it as a string.
///------------------------------------------------------------------
std::string GetPropertyValueAsString( const XMLNode& node, const std::string& propertyName )
{
std::string propertyValue ;
XMLNode childNode = node.getChildNode( propertyName.c_str() );
// First try to get it as an attribute with that property name
if ( node.getAttribute( propertyName.c_str() ) )
{
propertyValue = node.getAttribute( propertyName.c_str() );
node.markUsed();
}
// Second try to get it as the text of a child node with that property name
else if ( childNode.hasText() )
{
propertyValue = childNode.getText();
node.markUsed();
}
// Third, try to get it as an attribute named "Value" of the child node with that property name
else if ( !childNode.isEmpty() )
{
propertyValue = GetPropertyValueAsString( childNode, "Value" );
node.markUsed();
}
return propertyValue ;
}
///-----------------------------------------------------------------------
/// Retrieves a IntVector2 property from the specified Node
///-----------------------------------------------------------------------
IntVector2 GetIntVector2Property( const XMLNode& node, const std::string& propertyName, const IntVector2& defaultValue )
{
std::string propertyString = GetPropertyValueAsString( node, propertyName );
IntVector2 propertyValue = defaultValue ;
if( propertyString.length() )
propertyValue = IntVector2( propertyString );
return propertyValue;
}
///------------------------------------------------------------------
/// Retrieves an Rgba property from the specified Node
///------------------------------------------------------------------
Rgba GetRgbaProperty( const XMLNode& node, const std::string& propertyName, const Rgba& defaultValue )
{
std::string propertyString = GetPropertyValueAsString( node, propertyName );
Rgba propertyValue = defaultValue ;
if ( propertyString.length() )
propertyValue = Rgba( propertyString );
return propertyValue;
}
///------------------------------------------------------------------
/// Retrieves a string property from the specified Node
///------------------------------------------------------------------
std::string GetStringProperty( const XMLNode& node, const std::string& propertyName, const std::string& defaultValue )
{
std::string propertyString = GetPropertyValueAsString( node, propertyName );
std::string propertyValue = defaultValue ;
if ( propertyString.length() )
propertyValue = propertyString ;
return propertyValue ;
}
///------------------------------------------------------------------
/// Retrieves a character property from the specified Node
///------------------------------------------------------------------
char GetCharacterProperty( const XMLNode& node, const std::string& propertyName, char defaultValue )
{
std::string propertyString = GetPropertyValueAsString( node, propertyName );
char propertyValue = defaultValue ;
if ( propertyString.length() == 1 )
propertyValue = propertyString.c_str()[0];
return propertyValue ;
}
///------------------------------------------------------------------
/// Retrieves an integer property from the specified Node
///------------------------------------------------------------------
int GetIntProperty( const XMLNode& node, const std::string& propertyName, int defaultValue )
{
std::string propertyString = GetPropertyValueAsString( node, propertyName );
int propertyValue = defaultValue ;
if ( propertyString.length() )
propertyValue = GetIntFromString( propertyString );
return propertyValue ;
}
///------------------------------------------------------------------
/// Retrieves a double property from the specified Node
///------------------------------------------------------------------
float GetDoubleProperty( const XMLNode& node, const std::string& propertyName, float defaultValue )
{
std::string propertyString = GetPropertyValueAsString( node, propertyName );
float propertyValue = defaultValue ;
if ( propertyString.length() )
ConvertType( propertyString, propertyValue );
return propertyValue ;
}
///------------------------------------------------------------------
/// Retrieves a boolean property from the specified Node
///------------------------------------------------------------------
bool GetBooleanProperty( const XMLNode& node, const std::string& propertyName, bool defaultValue )
{
std::string propertyString = GetPropertyValueAsString( node, propertyName );
bool propertyValue = defaultValue ;
if ( propertyString.length() )
propertyValue = GetBooleanFromString( propertyString );
return propertyValue ;
}
CFStringRef GetStringForMetaDataValue(UInt32 dataTypeCode, QTPropertyValuePtr keyValuePtr, ByteCount propValueSizeUsed)
{
CFStringRef str = nil;
switch (dataTypeCode)
{
case kMyQTMetaDataTypeGIF:
case kQTMetaDataTypeJPEGImage:
case kQTMetaDataTypePNGImage:
case kQTMetaDataTypeBMPImage:
case kQTMetaDataTypeBinary:
str = GetBinaryDataAsString(keyValuePtr, propValueSizeUsed);
break;
case kQTMetaDataTypeUTF8:
str = GetUTF8DataAsString(keyValuePtr, propValueSizeUsed);
break;
case kQTMetaDataTypeUTF16BE:
str = GetUTF16BEDataAsString(keyValuePtr, propValueSizeUsed);
break;
case kQTMetaDataTypeMacEncodedText:
str = GetPropertyValueAsString(keyValuePtr, propValueSizeUsed);
break;
case kQTMetaDataTypeSignedIntegerBE:
str = GetSignedIntegerBEDataAsString(keyValuePtr, propValueSizeUsed);
break;
case kQTMetaDataTypeUnsignedIntegerBE:
str = GetUnsignedIntegerBEDataAsString(keyValuePtr, propValueSizeUsed);
break;
case kQTMetaDataTypeFloat32BE:
str = GetFloat32BEDataAsString(keyValuePtr);
break;
case kQTMetaDataTypeFloat64BE:
str = GetFloat64BEDataAsString(keyValuePtr);
break;
}
// create a properly formatted string showing a count of the number of bytes of data
// for display in our window and append the actual metadata value string to this display string
CFStringRef destStr = AppendMetaValueStringToDisplayString(str, propValueSizeUsed);
return destStr;
}
