2 files changed, 40 insertions, 0 deletions
diff --git a/libcrystfel/src/index.c b/libcrystfel/src/index.c
index 8a390d71..89b8c334 100644
--- a/libcrystfel/src/index.c
+++ b/libcrystfel/src/index.c
@@ -993,3 +993,41 @@ IndexingMethod get_indm_from_string(const char *str)
 {
 	return get_indm_from_string_2(str, NULL);
 }
+
+
+static void do_probe(const char *(*func)(UnitCell *cell),
+                     UnitCell *cell, char *methods)
+{
+	const char *probe;
+	probe = func(cell);
+	if ( probe != NULL ) {
+		if ( methods[0] != '\0' ) {
+			strcat(methods, ",");
+		}
+		strcat(methods, probe);
+	}
+}
+
+
+char *detect_indexing_methods(UnitCell *cell)
+{
+	char *methods;
+
+	methods = malloc(1024);
+	if ( methods == NULL ) return NULL;
+	methods[0] = '\0';
+
+	do_probe(mosflm_probe, cell, methods);
+	do_probe(dirax_probe, cell, methods);
+	do_probe(asdf_probe, cell, methods);
+	do_probe(xds_probe, cell, methods);
+	/* Don't automatically use Felix (yet) */
+	//do_probe(felix_probe, cell, methods);
+
+	if ( strlen(methods) == 0 ) {
+		free(methods);
+		return NULL;
+	}
+
+	return methods;
+}
diff --git a/libcrystfel/src/index.h b/libcrystfel/src/index.h
index ae5185db..4e1f1519 100644
--- a/libcrystfel/src/index.h
+++ b/libcrystfel/src/index.h
@@ -143,6 +143,8 @@ extern IndexingPrivate *setup_indexing(const char *methods, UnitCell *cell,
                                        IndexingFlags flags, const char *options,
                                        struct taketwo_options *ttopts);
 
+extern char *detect_indexing_methods(UnitCell *cell);
+
 extern void index_pattern(struct image *image, IndexingPrivate *ipriv);
 
 extern void index_pattern_2(struct image *image, IndexingPrivate *ipriv,