Squashed 'libs/protobuf/' content from commit fcd3b9a85

git-subtree-dir: libs/protobuf
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php/ext/google/protobuf/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 PHP_PROTOBUF_MAP_H_
+#define PHP_PROTOBUF_MAP_H_
+
+#include <php.h>
+
+#include "def.h"
+#include "php-upb.h"
+
+void Map_ModuleInit();
+
+typedef struct {
+  upb_CType key_type;
+  TypeInfo val_type;
+} MapField_Type;
+
+MapField_Type MapType_Get(const upb_FieldDef *f);
+
+// Gets a upb_Map* for the PHP object |val|:
+//  * If |val| is a RepeatedField object, we first check its type and verify
+//    that that the elements have the correct type for |f|. If so, we return the
+//    wrapped upb_Map*. We also make sure that this map's arena is fused to
+//    |arena|, so the returned upb_Map is guaranteed to live as long as
+//    |arena|.
+//  * If |val| is a PHP Map, we attempt to create a new upb_Map using
+//    |arena| and add all of the PHP elements to it.
+//
+// If an error occurs, we raise a PHP error and return NULL.
+upb_Map *MapField_GetUpbMap(zval *val, MapField_Type type, upb_Arena *arena);
+
+// Creates a PHP MapField object for the given upb_Map* and |f| and returns it
+// in |val|. The PHP object will keep a reference to this |arena| to ensure the
+// underlying array data stays alive.
+//
+// If |map| is NULL, this will return a PHP null object.
+void MapField_GetPhpWrapper(zval *val, upb_Map *arr, MapField_Type type,
+                            zval *arena);
+
+bool MapEq(const upb_Map *m1, const upb_Map *m2, MapField_Type type);
+
+#endif  // PHP_PROTOBUF_MAP_H_