Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/blenlib/BLI_uuid.h

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+/* SPDX-FileCopyrightText: 2023 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+/** \file
+ * \ingroup bli
+ *
+ * Functions for generating and handling UUID structs according to RFC4122.
+ *
+ * Note that these are true UUIDs, not to be confused with the "session uuid" defined in
+ * `BLI_session_uid.h`.
+ */
+#include "DNA_uuid_types.h"
+
+#include "BLI_compiler_attrs.h"
+#include "BLI_string_ref.hh"
+
+#include <initializer_list>
+#include <iosfwd>
+#include <string>
+
+namespace blender {
+
+/**
+ * UUID generator for random (version 4) UUIDs. See RFC4122 section 4.4.
+ * This function is not thread-safe. */
+bUUID BLI_uuid_generate_random();
+
+/**
+ * Return the UUID nil value, consisting of all-zero fields.
+ */
+bUUID BLI_uuid_nil();
+
+/** Return true only if this is the nil UUID. */
+bool BLI_uuid_is_nil(bUUID uuid);
+
+/** Compare two UUIDs, return true only if they are equal. */
+bool BLI_uuid_equal(bUUID uuid1, bUUID uuid2);
+
+/**
+ * Format UUID as string.
+ * The buffer must be at least 37 bytes (36 bytes for the UUID + terminating 0).
+ * Use `UUID_STRING_SIZE` from DNA_uuid_types.h if you want to use a constant for this.
+ */
+void BLI_uuid_format(char *buffer, bUUID uuid) ATTR_NONNULL();
+
+/**
+ * Parse a string as UUID.
+ * The string MUST be in the format `xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx`,
+ * as produced by #BLI_uuid_format().
+ *
+ * Return true if the string could be parsed, and false otherwise. In the latter case, the UUID may
+ * have been partially updated.
+ */
+bool BLI_uuid_parse_string(bUUID *uuid, const char *buffer) ATTR_NONNULL();
+
+/** Output the UUID as formatted ASCII string, see #BLI_uuid_format(). */
+std::ostream &operator<<(std::ostream &stream, bUUID uuid);
+
+class UUID : public bUUID {
+ public:
+  /**
+   * Default constructor, used with `bUUID value{};`, will initialize to the nil UUID.
+   */
+  UUID() = default;
+
+  /** Initialize from the bUUID DNA struct. */
+  UUID(const bUUID &struct_uuid);
+
+  /** Initialize from 11 integers, 5 for the regular fields and 6 for the `node` array. */
+  UUID(std::initializer_list<uint32_t> field_values);
+
+  /** Initialize by parsing the string; undefined behavior when the string is invalid. */
+  explicit UUID(StringRefNull string_formatted_uuid);
+
+  /** Return the UUID as formatted ASCII string, see #BLI_uuid_format(). */
+  std::string str() const;
+
+  uint64_t hash() const;
+};  // namespace blender
+
+bool operator==(UUID uuid1, UUID uuid2);
+bool operator!=(UUID uuid1, UUID uuid2);
+
+/**
+ * Lexicographic comparison of the UUIDs.
+ * Equivalent to string comparison on the formatted UUIDs. */
+bool operator<(UUID uuid1, UUID uuid2);
+
+}  // namespace blender