relaxng: Add callbacks for resource loader

include/libxml/relaxng.h

@@ -14,6 +14,7 @@
 #include <libxml/xmlerror.h>
 #include <libxml/xmlstring.h>
 #include <libxml/tree.h>
+#include <libxml/parser.h>
 
 #ifdef LIBXML_SCHEMAS_ENABLED
 
@@ -155,6 +156,10 @@ XMLPUBFUN void
 					 xmlRelaxNGParserCtxtPtr ctxt,
 					 xmlStructuredErrorFunc serror,
 					 void *ctx);
+XMLPUBFUN void
+		    xmlRelaxNGSetResourceLoader	(xmlRelaxNGParserCtxtPtr ctxt,
+						 xmlResourceLoader loader,
+						 void *vctxt);
 XMLPUBFUN xmlRelaxNGPtr
 		    xmlRelaxNGParse		(xmlRelaxNGParserCtxtPtr ctxt);
 XMLPUBFUN void

relaxng.c

@@ -229,6 +229,9 @@ struct _xmlRelaxNGParserCtxt {
 
     int crng;			/* compact syntax and other flags */
     int freedoc;		/* need to free the document */
+
+    xmlResourceLoader resourceLoader;
+    void *resourceCtxt;
 };
 
 #define FLAGS_IGNORABLE		1
@@ -1423,6 +1426,9 @@ xmlRelaxReadFile(xmlRelaxNGParserCtxtPtr ctxt, const char *filename) {
     }
     if (ctxt->serror != NULL)
         xmlCtxtSetErrorHandler(pctxt, ctxt->serror, ctxt->userData);
+    if (ctxt->resourceLoader != NULL)
+        xmlCtxtSetResourceLoader(pctxt, ctxt->resourceLoader,
+                                 ctxt->resourceCtxt);
     doc = xmlCtxtReadFile(pctxt, filename, NULL, 0);
     xmlFreeParserCtxt(pctxt);
 
@@ -1441,6 +1447,9 @@ xmlRelaxReadMemory(xmlRelaxNGParserCtxtPtr ctxt, const char *buf, int size) {
     }
     if (ctxt->serror != NULL)
         xmlCtxtSetErrorHandler(pctxt, ctxt->serror, ctxt->userData);
+    if (ctxt->resourceLoader != NULL)
+        xmlCtxtSetResourceLoader(pctxt, ctxt->resourceLoader,
+                                 ctxt->resourceCtxt);
     doc = xmlCtxtReadMemory(pctxt, buf, size, NULL, NULL, 0);
     xmlFreeParserCtxt(pctxt);
 
@@ -7566,6 +7575,23 @@ xmlRelaxNGSetParserStructuredErrors(xmlRelaxNGParserCtxtPtr ctxt,
     ctxt->userData = ctx;
 }
 
+/**
+ * xmlRelaxNGSetResourceLoader:
+ * @ctxt:  a Relax-NG parser context
+ * @loader:  the callback
+ * @vctxt:  contextual data for the callbacks
+ *
+ * Set the callback function used to load external resources.
+ */
+void
+xmlRelaxNGSetResourceLoader(xmlRelaxNGParserCtxtPtr ctxt,
+                            xmlResourceLoader loader, void *vctxt) {
+    if (ctxt == NULL)
+        return;
+    ctxt->resourceLoader = loader;
+    ctxt->resourceCtxt = vctxt;
+}
+
 #ifdef LIBXML_OUTPUT_ENABLED
 
 /************************************************************************

runsuite.c

@@ -113,25 +113,22 @@ static int addEntity(char *name, char *content) {
     return(0);
 }
 
-static xmlParserInputPtr
+static int
-testExternalEntityLoader(const char *URL, const char *ID ATTRIBUTE_UNUSED,
+testResourceLoader(void *vctxt ATTRIBUTE_UNUSED, const char *URL,
-			 xmlParserCtxtPtr ctxt) {
+                   const char *ID ATTRIBUTE_UNUSED, int type ATTRIBUTE_UNUSED,
-    xmlParserInputPtr ret;
+                   int flags ATTRIBUTE_UNUSED, xmlParserInputPtr *out) {
     int i;
 
-    for (i = 0;i < nb_entities;i++) {
+    for (i = 0; i < nb_entities; i++) {
         if (!strcmp(testEntitiesName[i], URL)) {
-	    ret = xmlNewStringInputStream(ctxt,
+	    *out = xmlInputCreateString(testEntitiesName[i],
-	                (const xmlChar *) testEntitiesValue[i]);
+                                        testEntitiesValue[i],
-	    if (ret != NULL) {
+                                        XML_INPUT_BUF_STATIC);
-	        ret->filename = (const char *)
+	    return(XML_ERR_OK);
-		                xmlStrdup((xmlChar *)testEntitiesName[i]);
-	    }
-	    return(ret);
 	}
     }
 
-    return(xmlNewInputFromFile(ctxt, URL));
+    return(xmlInputCreateUrl(URL, 0, out));
 }
 
 /*
@@ -186,7 +183,6 @@ static void
 initializeLibxml2(void) {
     xmlMemSetup(xmlMemFree, xmlMemMalloc, xmlMemRealloc, xmlMemoryStrdup);
     xmlInitParser();
-    xmlSetExternalEntityLoader(testExternalEntityLoader);
     ctxtXPath = xmlXPathNewContext(NULL);
     /*
     * Deactivate the cache if created; otherwise we have to create/free it
@@ -308,6 +304,7 @@ xsdIncorrectTestCase(xmlNodePtr cur) {
     pctxt = xmlRelaxNGNewMemParserCtxt((const char *)buf->content, buf->use);
     xmlRelaxNGSetParserErrors(pctxt, testErrorHandler, testErrorHandler,
             pctxt);
+    xmlRelaxNGSetResourceLoader(pctxt, testResourceLoader, NULL);
     rng = xmlRelaxNGParse(pctxt);
     xmlRelaxNGFreeParserCtxt(pctxt);
     if (rng != NULL) {
@@ -442,6 +439,7 @@ xsdTestCase(xmlNodePtr tst) {
     pctxt = xmlRelaxNGNewMemParserCtxt((const char *)buf->content, buf->use);
     xmlRelaxNGSetParserErrors(pctxt, testErrorHandler, testErrorHandler,
             pctxt);
+    xmlRelaxNGSetResourceLoader(pctxt, testResourceLoader, NULL);
     rng = xmlRelaxNGParse(pctxt);
     xmlRelaxNGFreeParserCtxt(pctxt);