1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // https://developers.google.com/protocol-buffers/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 #ifndef RUBY_PROTOBUF_CONVERT_H_ 32 #define RUBY_PROTOBUF_CONVERT_H_ 33 34 #include <ruby/ruby.h> 35 36 #include "protobuf.h" 37 #include "ruby-upb.h" 38 39 // Converts |ruby_val| to a upb_MessageValue according to |type_info|. 40 // 41 // The |arena| parameter indicates the lifetime of the container where this 42 // value will be assigned. It is used as follows: 43 // - If type is string or bytes, the string data will be copied into |arena|. 44 // - If type is message, and we need to auto-construct a message due to implicit 45 // conversions (eg. Time -> Google::Protobuf::Timestamp), the new message 46 // will be created in |arena|. 47 // - If type is message and the Ruby value is a message instance, we will fuse 48 // the message's arena into |arena|, to ensure that this message outlives the 49 // container. 50 upb_MessageValue Convert_RubyToUpb(VALUE ruby_val, const char *name, 51 TypeInfo type_info, upb_Arena *arena); 52 53 // Converts |upb_val| to a Ruby VALUE according to |type_info|. This may involve 54 // creating a Ruby wrapper object. 55 // 56 // The |arena| parameter indicates the arena that owns the lifetime of 57 // |upb_val|. Any Ruby wrapper object that is created will reference |arena| 58 // and ensure it outlives the wrapper. 59 VALUE Convert_UpbToRuby(upb_MessageValue upb_val, TypeInfo type_info, 60 VALUE arena); 61 62 // Creates a deep copy of |msgval| in |arena|. 63 upb_MessageValue Msgval_DeepCopy(upb_MessageValue msgval, TypeInfo type_info, 64 upb_Arena *arena); 65 66 // Returns true if |val1| and |val2| are equal. Their type is given by 67 // |type_info|. 68 bool Msgval_IsEqual(upb_MessageValue val1, upb_MessageValue val2, 69 TypeInfo type_info); 70 71 // Returns a hash value for the given upb_MessageValue. 72 uint64_t Msgval_GetHash(upb_MessageValue val, TypeInfo type_info, 73 uint64_t seed); 74 75 #endif // RUBY_PROTOBUF_CONVERT_H_ 76