Imported Upstream version 0.13.2+dsfg1

libobs/callback/proc.h

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2013 Hugh Bailey <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#pragma once
+
+#include "../util/c99defs.h"
+
+#include "calldata.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Procedure handler
+ *
+ *   This handler is used to allow access to one or more procedures that can be
+ *   added and called without having to have direct access to declarations or
+ *   procedure callback pointers.
+ */
+
+struct proc_handler;
+typedef struct proc_handler proc_handler_t;
+typedef void (*proc_handler_proc_t)(void*, calldata_t*);
+
+EXPORT proc_handler_t *proc_handler_create(void);
+EXPORT void proc_handler_destroy(proc_handler_t *handler);
+
+EXPORT void proc_handler_add(proc_handler_t *handler, const char *decl_string,
+		proc_handler_proc_t proc, void *data);
+
+/**
+ * Calls a function in a procedure handler.  Returns false if the named
+ * procedure is not found.
+ */
+EXPORT bool proc_handler_call(proc_handler_t *handler, const char *name,
+		calldata_t *params);
+
+#ifdef __cplusplus
+}
+#endif