Add macros to read properties from xmlNode

nel/include/nel/misc/xml_macros.h

@@ -0,0 +1,74 @@
+// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
+// Copyright (C) 2010  Winch Gate Property Limited
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+
+#ifndef XML_MACROS_H
+#define XML_MACROS_H
+
+//
+// xmlNodePtr cur;
+// CXMLAutoPtr prop;
+//
+// sint i;
+// XML_READ_SINT(cur, "prop_name", i, -1);
+//
+
+#define XML_READ_UINT(node, name, var, def) { \
+	uint tmp; \
+	prop = (char *) xmlGetProp(node, (xmlChar*)name); \
+	if (prop && fromString((const char*)prop, tmp)) \
+		var = tmp; \
+	else \
+		var = def; \
+}
+
+#define XML_READ_SINT(node, name, var, def) { \
+	sint tmp; \
+	prop = (char *) xmlGetProp(node, (xmlChar*)name); \
+	if (prop && fromString((const char*)prop, tmp)) \
+		var = tmp; \
+	else \
+		var = def; \
+}
+
+#define XML_READ_BOOL(node, name, var, def) { \
+	prop = (char *) xmlGetProp(node, (xmlChar*)name); \
+	if (prop) \
+		var = NLMISC::toBool((const char*)prop); \
+	else \
+		var = def; \
+}
+
+#define XML_READ_COLOR(node, name, var, def) { \
+	NLMISC::CRGBA tmp; \
+	prop = (char *) xmlGetProp(node, (xmlChar*)name); \
+	if (prop && fromString((const char*)prop, tmp)) \
+		var = tmp; \
+	else \
+		var = def; \
+}
+
+#define XML_READ_STRING(node, name, var, def) { \
+	prop = (char *) xmlGetProp(node, (xmlChar*)name); \
+	if (prop) \
+		var = (const char*)prop; \
+	else \
+		var = def; \
+}
+
+#endif // XML_MACROS_H
+