Squashed 'libs/protobuf/' content from commit fcd3b9a85

git-subtree-dir: libs/protobuf
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ruby/ext/google/protobuf_c/map.h

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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef RUBY_PROTOBUF_MAP_H_
+#define RUBY_PROTOBUF_MAP_H_
+
+#include <ruby/ruby.h>
+
+#include "protobuf.h"
+#include "ruby-upb.h"
+
+// Returns a Ruby wrapper object for the given map, which will be created if
+// one does not exist already.
+VALUE Map_GetRubyWrapper(upb_Map *map, upb_CType key_type, TypeInfo value_type,
+                         VALUE arena);
+
+// Gets the underlying upb_Map for this Ruby map object, which must have
+// key/value type that match |field|. If this is not a map or the type doesn't
+// match, raises an exception.
+const upb_Map *Map_GetUpbMap(VALUE val, const upb_FieldDef *field,
+                             upb_Arena *arena);
+
+// Implements #inspect for this map by appending its contents to |b|.
+void Map_Inspect(StringBuilder *b, const upb_Map *map, upb_CType key_type,
+                 TypeInfo val_type);
+
+// Returns a new Hash object containing the contents of this Map.
+VALUE Map_CreateHash(const upb_Map *map, upb_CType key_type, TypeInfo val_info);
+
+// Returns a deep copy of this Map object.
+VALUE Map_deep_copy(VALUE obj);
+
+// Ruby class of Google::Protobuf::Map.
+extern VALUE cMap;
+
+// Call at startup to register all types in this module.
+void Map_register(VALUE module);
+
+#endif  // RUBY_PROTOBUF_MAP_H_