[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).

1 files changed, 27 insertions, 0 deletions

diff --git a/thirdparty/icu4c/common/localsvc.h b/thirdparty/icu4c/common/localsvc.h
new file mode 100644
index 0000000000..3364019513
--- /dev/null
+++ b/thirdparty/icu4c/common/localsvc.h
@@ -0,0 +1,27 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+***************************************************************************
+*   Copyright (C) 2006 International Business Machines Corporation        *
+*   and others. All rights reserved.                                      *
+***************************************************************************
+*/
+
+#ifndef LOCALSVC_H
+#define LOCALSVC_H
+
+#include "unicode/utypes.h"
+
+#if defined(U_LOCAL_SERVICE_HOOK) && U_LOCAL_SERVICE_HOOK
+/**
+ * Prototype for user-supplied service hook. This function is expected to return
+ * a type of factory object specific to the requested service.
+ * 
+ * @param what service-specific string identifying the specific user hook
+ * @param status error status
+ * @return a service-specific hook, or NULL on failure.
+ */
+U_CAPI void* uprv_svc_hook(const char *what, UErrorCode *status);
+#endif
+
+#endif