106 lines
4.5 KiB
C
106 lines
4.5 KiB
C
// Protocol Buffers - Google's data interchange format
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// Copyright 2014 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "protobuf.h"
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// -----------------------------------------------------------------------------
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// Global map from upb {msg,enum}defs to wrapper Descriptor/EnumDescriptor
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// instances.
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// -----------------------------------------------------------------------------
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// This is a hash table from def objects (encoded by converting pointers to
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// Ruby integers) to MessageDef/EnumDef instances (as Ruby values).
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VALUE upb_def_to_ruby_obj_map;
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void add_def_obj(const void* def, VALUE value) {
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rb_hash_aset(upb_def_to_ruby_obj_map, ULL2NUM((intptr_t)def), value);
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}
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VALUE get_def_obj(const void* def) {
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return rb_hash_aref(upb_def_to_ruby_obj_map, ULL2NUM((intptr_t)def));
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}
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// -----------------------------------------------------------------------------
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// Utilities.
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// -----------------------------------------------------------------------------
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// Raises a Ruby error if |status| is not OK, using its error message.
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void check_upb_status(const upb_status* status, const char* msg) {
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if (!upb_ok(status)) {
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rb_raise(rb_eRuntimeError, "%s: %s\n", msg, upb_status_errmsg(status));
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}
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}
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// String encodings: we look these up once, at load time, and then cache them
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// here.
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rb_encoding* kRubyStringUtf8Encoding;
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rb_encoding* kRubyStringASCIIEncoding;
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rb_encoding* kRubyString8bitEncoding;
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// -----------------------------------------------------------------------------
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// Initialization/entry point.
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// -----------------------------------------------------------------------------
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// This must be named "Init_protobuf_c" because the Ruby module is named
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// "protobuf_c" -- the VM looks for this symbol in our .so.
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void Init_protobuf_c() {
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VALUE google = rb_define_module("Google");
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VALUE protobuf = rb_define_module_under(google, "Protobuf");
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VALUE internal = rb_define_module_under(protobuf, "Internal");
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DescriptorPool_register(protobuf);
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Descriptor_register(protobuf);
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FieldDescriptor_register(protobuf);
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OneofDescriptor_register(protobuf);
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EnumDescriptor_register(protobuf);
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MessageBuilderContext_register(internal);
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OneofBuilderContext_register(internal);
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EnumBuilderContext_register(internal);
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Builder_register(internal);
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RepeatedField_register(protobuf);
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Map_register(protobuf);
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rb_define_singleton_method(protobuf, "encode", Google_Protobuf_encode, 1);
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rb_define_singleton_method(protobuf, "decode", Google_Protobuf_decode, 2);
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rb_define_singleton_method(protobuf, "encode_json",
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Google_Protobuf_encode_json, 1);
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rb_define_singleton_method(protobuf, "decode_json",
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Google_Protobuf_decode_json, 2);
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rb_define_singleton_method(protobuf, "deep_copy",
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Google_Protobuf_deep_copy, 1);
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kRubyStringUtf8Encoding = rb_utf8_encoding();
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kRubyStringASCIIEncoding = rb_usascii_encoding();
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kRubyString8bitEncoding = rb_ascii8bit_encoding();
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upb_def_to_ruby_obj_map = rb_hash_new();
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rb_gc_register_address(&upb_def_to_ruby_obj_map);
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}
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