Add Chromium-only Blender WebEngine parity work

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

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+/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+/** \file
+ * \ingroup bli
+ * \brief A general argument parsing module.
+ */
+
+#include <stdarg.h> /* For `va_list`. */
+#include <stdbool.h>
+
+#include "BLI_compiler_attrs.h"
+
+namespace blender {
+
+struct bArgs;
+
+/**
+ * Returns the number of extra arguments consumed by the function.
+ * -  0 is normal value,
+ * - -1 stops parsing arguments, other negative indicates skip
+ */
+using BA_ArgCallback = int (*)(int argc, const char **argv, void *data);
+
+struct bArgs *BLI_args_create(int argc, const char **argv);
+void BLI_args_destroy(struct bArgs *ba);
+
+using bArgPrintFn = void (*)(void *user_data, const char *format, va_list args);
+void BLI_args_printf(struct bArgs *ba, const char *format, ...);
+void BLI_args_print_fn_set(struct bArgs *ba,
+                           ATTR_PRINTF_FORMAT(2, 0) bArgPrintFn print_fn,
+                           void *user_data);
+
+/** The pass to use for #BLI_args_add. */
+void BLI_args_pass_set(struct bArgs *ba, int current_pass);
+
+/**
+ * Pass starts at 1, -1 means valid all the time
+ * short_arg or long_arg can be null to specify no short or long versions
+ */
+void BLI_args_add(struct bArgs *ba,
+                  const char *short_arg,
+                  const char *long_arg,
+                  const char *doc,
+                  BA_ArgCallback cb,
+                  void *data);
+
+/**
+ * Short_case and long_case specify if those arguments are case specific
+ */
+void BLI_args_add_case(struct bArgs *ba,
+                       const char *short_arg,
+                       int short_case,
+                       const char *long_arg,
+                       int long_case,
+                       const char *doc,
+                       BA_ArgCallback cb,
+                       void *data);
+
+void BLI_args_parse(struct bArgs *ba, int pass, BA_ArgCallback default_cb, void *default_data);
+
+void BLI_args_print_arg_doc(struct bArgs *ba, const char *arg);
+void BLI_args_print_other_doc(struct bArgs *ba);
+
+bool BLI_args_has_other_doc(const struct bArgs *ba);
+
+void BLI_args_print(const struct bArgs *ba);
+
+}  // namespace blender