static void deparseXmlExpr()

in ext/pg_query/pg_query_deparse.c [9175:9260]
85 lines of code
19 McCabe index (conditional complexity)

static void deparseXmlExpr(StringInfo str, XmlExpr* xml_expr)
{
	switch (xml_expr->op)
	{
		case IS_XMLCONCAT: /* XMLCONCAT(args) */
			appendStringInfoString(str, "xmlconcat(");
			deparseExprList(str, xml_expr->args);
			appendStringInfoChar(str, ')');
			break;
		case IS_XMLELEMENT: /* XMLELEMENT(name, xml_attributes, args) */
			appendStringInfoString(str, "xmlelement(name ");
			appendStringInfoString(str, quote_identifier(xml_expr->name));
			if (xml_expr->named_args != NULL)
			{
				appendStringInfoString(str, ", xmlattributes(");
				deparseXmlAttributeList(str, xml_expr->named_args);
				appendStringInfoString(str, ")");
			}
			if (xml_expr->args != NULL)
			{
				appendStringInfoString(str, ", ");
				deparseExprList(str, xml_expr->args);
			}
			appendStringInfoString(str, ")");
			break;
		case IS_XMLFOREST: /* XMLFOREST(xml_attributes) */
			appendStringInfoString(str, "xmlforest(");
			deparseXmlAttributeList(str, xml_expr->named_args);
			appendStringInfoChar(str, ')');
			break;
		case IS_XMLPARSE: /* XMLPARSE(text, is_doc, preserve_ws) */
			Assert(list_length(xml_expr->args) == 2);
			appendStringInfoString(str, "xmlparse(");
			switch (xml_expr->xmloption)
			{
				case XMLOPTION_DOCUMENT:
					appendStringInfoString(str, "document ");
					break;
				case XMLOPTION_CONTENT:
					appendStringInfoString(str, "content ");
					break;
				default:
					Assert(false);
			}
			deparseExpr(str, linitial(xml_expr->args));
			if (strcmp(strVal(&castNode(A_Const, castNode(TypeCast, lsecond(xml_expr->args))->arg)->val), "t") == 0)
				appendStringInfoString(str, " PRESERVE WHITESPACE");
			appendStringInfoChar(str, ')');
			break;
		case IS_XMLPI: /* XMLPI(name [, args]) */
			appendStringInfoString(str, "xmlpi(name ");
			appendStringInfoString(str, quote_identifier(xml_expr->name));
			if (xml_expr->args != NULL)
			{
				appendStringInfoString(str, ", ");
				deparseExpr(str, linitial(xml_expr->args));
			}
			appendStringInfoChar(str, ')');
			break;
		case IS_XMLROOT: /* XMLROOT(xml, version, standalone) */
			appendStringInfoString(str, "xmlroot(");
			deparseExpr(str, linitial(xml_expr->args));
			appendStringInfoString(str, ", version ");
			if (nodeTag(&castNode(A_Const, lsecond(xml_expr->args))->val) == T_Null)
				appendStringInfoString(str, "NO VALUE");
			else
				deparseExpr(str, lsecond(xml_expr->args));
			if (intVal(&castNode(A_Const, lthird(xml_expr->args))->val) == XML_STANDALONE_YES)
				appendStringInfoString(str, ", STANDALONE YES");
			else if (intVal(&castNode(A_Const, lthird(xml_expr->args))->val) == XML_STANDALONE_NO)
				appendStringInfoString(str, ", STANDALONE NO");
			else if (intVal(&castNode(A_Const, lthird(xml_expr->args))->val) == XML_STANDALONE_NO_VALUE)
				appendStringInfoString(str, ", STANDALONE NO VALUE");
			appendStringInfoChar(str, ')');
			break;
		case IS_XMLSERIALIZE: /* XMLSERIALIZE(is_document, xmlval) */
			// These are represented as XmlSerialize in raw parse trees
			Assert(false);
			break;
		case IS_DOCUMENT: /* xmlval IS DOCUMENT */
			Assert(list_length(xml_expr->args) == 1);
			deparseExpr(str, linitial(xml_expr->args));
			appendStringInfoString(str, " IS DOCUMENT");
			break;
	}
}