From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 27 Dec 2025 12:03:39 -0800
Subject: Initial commit

---
 contrib/SDL-3.2.8/src/dialog/SDL_dialog_utils.h | 59 +++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 contrib/SDL-3.2.8/src/dialog/SDL_dialog_utils.h

(limited to 'contrib/SDL-3.2.8/src/dialog/SDL_dialog_utils.h')

diff --git a/contrib/SDL-3.2.8/src/dialog/SDL_dialog_utils.h b/contrib/SDL-3.2.8/src/dialog/SDL_dialog_utils.h
new file mode 100644
index 0000000..1343dd7
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/dialog/SDL_dialog_utils.h
@@ -0,0 +1,59 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+/* The following are utility functions to help implementations.
+   They are ordered by scope largeness, decreasing. All implementations
+   should use them, as they check for invalid filters. Where they are unused,
+   the validate_* function further down below should be used. */
+
+/* Transform the name given in argument into something viable for the engine.
+   Useful if there are special characters to avoid on certain platforms (such
+   as "|" with Zenity). */
+typedef char *(NameTransform)(const char * name);
+
+// Converts all the filters into a single string.
+// <prefix>[filter]{<separator>[filter]...}<suffix>
+char *convert_filters(const SDL_DialogFileFilter *filters, int nfilters,
+                      NameTransform ntf, const char *prefix,
+                      const char *separator, const char *suffix,
+                      const char *filt_prefix, const char *filt_separator,
+                      const char *filt_suffix, const char *ext_prefix,
+                      const char *ext_separator, const char *ext_suffix);
+
+// Converts one filter into a single string.
+// <prefix>[filter name]<separator>[filter extension list]<suffix>
+char *convert_filter(SDL_DialogFileFilter filter, NameTransform ntf,
+                     const char *prefix, const char *separator,
+                     const char *suffix, const char *ext_prefix,
+                     const char *ext_separator, const char *ext_suffix);
+
+// Converts the extension list of a filter into a single string.
+// <prefix>[extension]{<separator>[extension]...}<suffix>
+char *convert_ext_list(const char *list, const char *prefix,
+                       const char *separator, const char *suffix);
+
+/* Must be used if convert_* functions aren't used */
+// Returns an error message if there's a problem, NULL otherwise
+const char *validate_filters(const SDL_DialogFileFilter *filters,
+                             int nfilters);
+
+const char *validate_list(const char *list);
-- 
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