utils: add new tool xash-clang-format, a wrapper around clang-format that adds our formatting extensions

utils/xash-clang-format/tests/test_config.c

@@ -0,0 +1,77 @@
+#include <stdio.h>
+#include "xcf.h"
+
+static int run_case( const char *label, const char *yaml, qboolean expect )
+{
+	xcf_config_t cfg;
+
+	ParseConfigText( yaml, &cfg );
+
+	if( cfg.collapse_parens != expect )
+	{
+		fprintf( stderr, "[%s] collapse_parens=%d, expected %d\n  yaml:\n%s\n",
+			label, cfg.collapse_parens, expect, yaml );
+		return 0;
+	}
+	return 1;
+}
+
+int main( void )
+{
+	int n = 0;
+
+	if( !run_case( "empty", "", false ))
+		return ++n;
+
+	xcf_config_t cfg2;
+
+	ParseConfigText( NULL, &cfg2 );
+	if( cfg2.collapse_parens )
+		return ++n;
+
+	if( !run_case( "explicit true",
+			"# XashCollapseParens: true\n", true ))
+		return ++n;
+
+	if( !run_case( "explicit false",
+			"# XashCollapseParens: false\n", false ))
+		return ++n;
+
+	if( !run_case( "leading ws",
+			"   # XashCollapseParens: true\n", true ))
+		return ++n;
+
+	if( !run_case( "tabs",
+			"#\tXashCollapseParens\t:\ttrue\n", true ))
+		return ++n;
+
+	if( !run_case( "unrelated key",
+			"# SomeOtherKey: true\nIndentWidth: 4\n", false ))
+		return ++n;
+
+	if( !run_case( "in larger config",
+			"---\n"
+			"Language: Cpp\n"
+			"# XashCollapseParens: true\n"
+			"IndentWidth: 4\n",
+			true ))
+		return ++n;
+
+	if( !run_case( "junk value",
+			"# XashCollapseParens: maybe\n", false ))
+		return ++n;
+
+	if( !run_case( "no colon",
+			"# XashCollapseParens true\n", false ))
+		return ++n;
+
+	if( !run_case( "last wins",
+			"# XashCollapseParens: false\n# XashCollapseParens: true\n", true ))
+		return ++n;
+
+	if( !run_case( "no trailing nl",
+			"# XashCollapseParens: true", true ))
+		return ++n;
+
+	return 0;
+}