Function NormalizeLangArray

xmpsdk/src/XMPCore_Impl.cpp:1388–1424

// hardwired to only use the 'x-default' item, so we copy that value to the other item.

void
NormalizeLangArray ( XMP_Node * array )
{
	XMP_Assert ( XMP_ArrayIsAltText(array->options) );
	
	size_t itemNum;
	size_t itemLim = array->children.size();
	bool   hasDefault = false;
	
	for ( itemNum = 0; itemNum < itemLim; ++itemNum ) {
	
		if ( array->children[itemNum]->qualifiers.empty() ||
			 (array->children[itemNum]->qualifiers[0]->name != "xml:lang") ) {
			XMP_Throw ( "AltText array items must have an xml:lang qualifier", kXMPErr_BadXMP );
		}

		if ( array->children[itemNum]->qualifiers[0]->value == "x-default" ) {
			hasDefault = true;
			break;
		}

	}

	if ( hasDefault ) {

		if ( itemNum != 0 ) {
			XMP_Node * temp = array->children[0];
			array->children[0] = array->children[itemNum];
			array->children[itemNum] = temp;
		}

// 09-Oct-07, ahu: disabled to avoid unexpected behaviour
//		if ( itemLim == 2 ) array->children[1]->value = array->children[0]->value;

	}
	
}	// NormalizeLangArray

// =================================================================================================
// DetectAltText