1 files changed, 116 insertions, 0 deletions
diff --git a/freebsd/contrib/libxo/libxo/xo_encoder.h b/freebsd/contrib/libxo/libxo/xo_encoder.h
new file mode 100644
index 00000000..f73552b1
--- /dev/null
+++ b/freebsd/contrib/libxo/libxo/xo_encoder.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2015, Juniper Networks, Inc.
+ * All rights reserved.
+ * This SOFTWARE is licensed under the LICENSE provided in the
+ * ../Copyright file. By downloading, installing, copying, or otherwise
+ * using the SOFTWARE, you agree to be bound by the terms of that
+ * LICENSE.
+ * Phil Shafer, August 2015
+ */
+
+/*
+ * NOTE WELL: This file is needed to software that implements an
+ * external encoder for libxo that allows libxo data to be encoded in
+ * new and bizarre formats.  General libxo code should _never_
+ * include this header file.
+ */
+
+#ifndef XO_ENCODER_H
+#define XO_ENCODER_H
+
+/*
+ * Expose libxo's memory allocation functions
+ */
+extern xo_realloc_func_t xo_realloc;
+extern xo_free_func_t xo_free;
+
+typedef unsigned xo_encoder_op_t;
+
+/* Encoder operations; names are in xo_encoder.c:xo_encoder_op_name() */
+#define XO_OP_UNKNOWN		0
+#define XO_OP_CREATE		1 /* Called when the handle is init'd */
+#define XO_OP_OPEN_CONTAINER	2
+#define XO_OP_CLOSE_CONTAINER	3
+#define XO_OP_OPEN_LIST		4
+#define XO_OP_CLOSE_LIST	5
+#define XO_OP_OPEN_LEAF_LIST	6
+#define XO_OP_CLOSE_LEAF_LIST	7
+#define XO_OP_OPEN_INSTANCE	8
+#define XO_OP_CLOSE_INSTANCE	9
+#define XO_OP_STRING		10 /* Quoted UTF-8 string */
+#define XO_OP_CONTENT		11 /* Other content */
+#define XO_OP_FINISH		12 /* Finish any pending output */
+#define XO_OP_FLUSH		13 /* Flush any buffered output */
+#define XO_OP_DESTROY		14 /* Clean up function */
+#define XO_OP_ATTRIBUTE		15 /* Attribute name/value */
+#define XO_OP_VERSION		16 /* Version string */
+
+#define XO_ENCODER_HANDLER_ARGS					\
+	xo_handle_t *xop __attribute__ ((__unused__)),		\
+	xo_encoder_op_t op __attribute__ ((__unused__)),	\
+	const char *name __attribute__ ((__unused__)),		\
+        const char *value __attribute__ ((__unused__)),		\
+	void *private __attribute__ ((__unused__))
+
+typedef int (*xo_encoder_func_t)(XO_ENCODER_HANDLER_ARGS);
+
+typedef struct xo_encoder_init_args_s {
+    unsigned xei_version;	   /* Current version */
+    xo_encoder_func_t xei_handler; /* Encoding handler */
+} xo_encoder_init_args_t;
+
+#define XO_ENCODER_VERSION	1 /* Current version */
+
+#define XO_ENCODER_INIT_ARGS \
+    xo_encoder_init_args_t *arg __attribute__ ((__unused__))
+
+typedef int (*xo_encoder_init_func_t)(XO_ENCODER_INIT_ARGS);
+/*
+ * Each encoder library must define a function named xo_encoder_init
+ * that takes the arguments defined in XO_ENCODER_INIT_ARGS.  It
+ * should return zero for success.
+ */
+#define XO_ENCODER_INIT_NAME_TOKEN xo_encoder_library_init
+#define XO_STRINGIFY(_x) #_x
+#define XO_STRINGIFY2(_x) XO_STRINGIFY(_x)
+#define XO_ENCODER_INIT_NAME XO_STRINGIFY2(XO_ENCODER_INIT_NAME_TOKEN)
+extern int XO_ENCODER_INIT_NAME_TOKEN (XO_ENCODER_INIT_ARGS);
+
+void
+xo_encoder_register (const char *name, xo_encoder_func_t func);
+
+void
+xo_encoder_unregister (const char *name);
+
+void *
+xo_get_private (xo_handle_t *xop);
+
+void
+xo_encoder_path_add (const char *path);
+
+void
+xo_set_private (xo_handle_t *xop, void *opaque);
+
+xo_encoder_func_t
+xo_get_encoder (xo_handle_t *xop);
+
+void
+xo_set_encoder (xo_handle_t *xop, xo_encoder_func_t encoder);
+
+int
+xo_encoder_init (xo_handle_t *xop, const char *name);
+
+xo_handle_t *
+xo_encoder_create (const char *name, xo_xof_flags_t flags);
+
+int
+xo_encoder_handle (xo_handle_t *xop, xo_encoder_op_t op,
+		   const char *name, const char *value);
+
+void
+xo_encoders_clean (void);
+
+const char *
+xo_encoder_op_name (xo_encoder_op_t op);
+
+#endif /* XO_ENCODER_H */