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bin/gems/google-protobuf-4.29.3-x86_64-linux/ext/google/protobuf_c/defs.h

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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file or at
+// https://developers.google.com/open-source/licenses/bsd
+
+#ifndef RUBY_PROTOBUF_DEFS_H_
+#define RUBY_PROTOBUF_DEFS_H_
+
+#include "protobuf.h"
+#include "ruby-upb.h"
+
+// -----------------------------------------------------------------------------
+// TypeInfo
+// -----------------------------------------------------------------------------
+
+// This bundles a upb_CType and msgdef/enumdef when appropriate. This is
+// convenient for functions that need type information but cannot necessarily
+// assume a upb_FieldDef will be available.
+//
+// For example, Google::Protobuf::Map and Google::Protobuf::RepeatedField can
+// be constructed with type information alone:
+//
+//   # RepeatedField will internally store the type information in a TypeInfo.
+//   Google::Protobuf::RepeatedField.new(:message, FooMessage)
+
+typedef struct {
+  upb_CType type;
+  union {
+    const upb_MessageDef* msgdef;  // When type == kUpb_CType_Message
+    const upb_EnumDef* enumdef;    // When type == kUpb_CType_Enum
+  } def;
+} TypeInfo;
+
+static inline TypeInfo TypeInfo_get(const upb_FieldDef* f) {
+  TypeInfo ret = {upb_FieldDef_CType(f), {NULL}};
+  switch (ret.type) {
+    case kUpb_CType_Message:
+      ret.def.msgdef = upb_FieldDef_MessageSubDef(f);
+      break;
+    case kUpb_CType_Enum:
+      ret.def.enumdef = upb_FieldDef_EnumSubDef(f);
+      break;
+    default:
+      break;
+  }
+  return ret;
+}
+
+TypeInfo TypeInfo_FromClass(int argc, VALUE* argv, int skip_arg,
+                            VALUE* type_class, VALUE* init_arg);
+
+static inline TypeInfo TypeInfo_from_type(upb_CType type) {
+  TypeInfo ret = {type};
+  assert(type != kUpb_CType_Message && type != kUpb_CType_Enum);
+  return ret;
+}
+
+// -----------------------------------------------------------------------------
+// Other utilities
+// -----------------------------------------------------------------------------
+
+VALUE Descriptor_DefToClass(const upb_MessageDef* m);
+
+// Returns the underlying msgdef, enumdef, or symtab (respectively) for the
+// given Descriptor, EnumDescriptor, or DescriptorPool Ruby object.
+const upb_EnumDef* EnumDescriptor_GetEnumDef(VALUE enum_desc_rb);
+const upb_DefPool* DescriptorPool_GetSymtab(VALUE desc_pool_rb);
+const upb_MessageDef* Descriptor_GetMsgDef(VALUE desc_rb);
+
+// Returns a upb field type for the given Ruby symbol
+// (eg. :float => kUpb_CType_Float).
+upb_CType ruby_to_fieldtype(VALUE type);
+
+// The singleton generated pool (a DescriptorPool object).
+extern VALUE generated_pool;
+
+// Call at startup to register all types in this module.
+void Defs_register(VALUE module);
+
+#endif  // RUBY_PROTOBUF_DEFS_H_