Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/src/shared/ppapi_proxy/object_serialize.h

+/*
+ * Copyright 2010 The Native Client Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can
+ * be found in the LICENSE file.
+ */
+
+#ifndef NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_OBJECT_SERIALIZE_H_
+#define NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_OBJECT_SERIALIZE_H_
+
+#include "ppapi/c/pp_var.h"
+
+struct NaClSrpcChannel;
+
+namespace ppapi_proxy {
+
+const uint32_t kMaxVarSize = 64 * 1024;
+
+// Serialize one PP_Var to the location given in "bytes", using no more
+// than "*length" bytes .  If successful, "*length" reflects the number of
+// bytes written and true is returned.  Otherwise returns false.
+bool SerializeTo(const PP_Var* var, char* bytes, uint32_t* length);
+
+// Serialize a vector of "argc" PP_Vars to a buffer to be allocated by new[].
+// If successful, the address of a buffer is returned and "*length" is set
+// to the number of bytes allocated.  Otherwise, NULL is returned.
+char* Serialize(const PP_Var* vars, uint32_t argc, uint32_t* length);
+
+// Deserialize a vector "bytes" of "length" bytes containing "argc" PP_Vars
+// into the vector of PP_Vars pointed to by "vars".  Returns true if
+// successful, or false otherwise.
+bool DeserializeTo(NaClSrpcChannel* channel,
+                   char* bytes,
+                   uint32_t length,
+                   uint32_t argc,
+                   PP_Var* vars);
+
+}  // namespace ppapi_proxy
+
+#endif  // NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_OBJECT_SERIALIZE_H_