Method ComposeQualifierPath

xmpsdk/src/XMPUtils.cpp:783–813

class static */

// Return "propName/?ns:qualName".

/* class static */ void
XMPUtils::ComposeQualifierPath ( XMP_StringPtr	 schemaNS,
								 XMP_StringPtr	 propName,
								 XMP_StringPtr	 qualNS,
								 XMP_StringPtr	 qualName,
								 XMP_StringPtr * fullPath,
								 XMP_StringLen * pathSize )
{
	XMP_Assert ( (schemaNS != 0) && (qualNS != 0) );		// Enforced by wrapper.
	XMP_Assert ( (*propName != 0) && (*qualName != 0) );	// Enforced by wrapper.
	XMP_Assert ( (fullPath != 0) && (pathSize != 0) );		// Enforced by wrapper.

	XMP_ExpandedXPath expPath;	// Just for side effects to check namespace and basic path.
	ExpandXPath ( schemaNS, propName, &expPath );

	XMP_ExpandedXPath qualPath;
	ExpandXPath ( qualNS, qualName, &qualPath );
	if ( qualPath.size() != 2 ) XMP_Throw ( "The qualifier name must be simple", kXMPErr_BadXPath );

	XMP_StringLen reserveLen = strlen(propName) + qualPath[kRootPropStep].step.size() + 2;

	sComposedPath->erase();
	sComposedPath->reserve ( reserveLen );
	*sComposedPath = propName;
	*sComposedPath += "/?";
	*sComposedPath += qualPath[kRootPropStep].step;

	*fullPath = sComposedPath->c_str();
	*pathSize = sComposedPath->size();

}	// ComposeQualifierPath


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