xml: write x->getnext to a default GETNEXT macro

this allows to override x->getnext to expand to global context parsing and
allows the compiler to optimize this inline.

also remove checking if the x->getnext function exists (just crash hard).

1 files changed, 7 insertions, 0 deletions

diff --git a/xml.h b/xml.h
index 657fa0d..f74d525 100644
--- a/xml.h
+++ b/xml.h
@@ -1,3 +1,6 @@
+#ifndef _XML_H
+#define _XML_H
+
 typedef struct xmlparser {
 	/* handlers */
 	void (*xmlattr)(struct xmlparser *, const char *, size_t,
@@ -23,6 +26,9 @@ typedef struct xmlparser {
 	void (*xmltagstartparsed)(struct xmlparser *, const char *,
 	      size_t, int);
 
+#ifndef GETNEXT
+#define GETNEXT (x)->getnext
+#endif
 	int (*getnext)(void);
 
 	/* current tag */
@@ -38,3 +44,4 @@ typedef struct xmlparser {
 
 int xml_entitytostr(const char *, char *, size_t);
 void xml_parse(XMLParser *);
+#endif