From b38e49dcfa8c8cf11b4586ce93784ce7523b5f48 Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 9 Jun 2021 10:57:58 -0700
Subject: [PATCH] [subset] add get/set user data methods to subset input.

---
 src/hb-subset-input.cc | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/hb-subset.h        | 10 ++++++++++
 2 files changed, 52 insertions(+)

diff --git a/src/hb-subset-input.cc b/src/hb-subset-input.cc
index f56d8a468..8917f87f0 100644
--- a/src/hb-subset-input.cc
+++ b/src/hb-subset-input.cc
@@ -378,3 +378,45 @@ hb_subset_input_get_no_prune_unicode_ranges (hb_subset_input_t *subset_input)
   return subset_input->no_prune_unicode_ranges;
 }
 
+/**
+ * hb_subset_input_set_user_data: (skip)
+ * @face: A subset input object
+ * @key: The user-data key to set
+ * @data: A pointer to the user data
+ * @destroy: (nullable): A callback to call when @data is not needed anymore
+ * @replace: Whether to replace an existing data with the same key
+ *
+ * Attaches a user-data key/data pair to the given subset input object.
+ *
+ * Return value: %true if success, %false otherwise
+ *
+ * Since: REPLACE
+ **/
+hb_bool_t
+hb_subset_input_set_user_data (hb_subset_input_t  *input,
+                               hb_user_data_key_t *key,
+                               void *              data,
+                               hb_destroy_func_t   destroy,
+                               hb_bool_t           replace)
+{
+  return hb_object_set_user_data (input, key, data, destroy, replace);
+}
+
+/**
+ * hb_subset_input_get_user_data: (skip)
+ * @face: A subset input object
+ * @key: The user-data key to query
+ *
+ * Fetches the user data associated with the specified key,
+ * attached to the specified subset input object.
+ *
+ * Return value: (transfer none): A pointer to the user data
+ *
+ * Since: REPLACE
+ **/
+void *
+hb_subset_input_get_user_data (const hb_subset_input_t *input,
+                               hb_user_data_key_t     *key)
+{
+  return hb_object_get_user_data (input, key);
+}
diff --git a/src/hb-subset.h b/src/hb-subset.h
index 1df8cfbbf..786dd1af5 100644
--- a/src/hb-subset.h
+++ b/src/hb-subset.h
@@ -121,6 +121,16 @@ hb_subset_input_get_no_prune_unicode_ranges (hb_subset_input_t *subset_input);
 HB_EXTERN hb_face_t *
 hb_subset (hb_face_t *source, const hb_subset_input_t *input);
 
+HB_EXTERN hb_bool_t
+hb_subset_input_set_user_data (hb_subset_input_t  *input,
+                               hb_user_data_key_t *key,
+                               void *              data,
+                               hb_destroy_func_t   destroy,
+                               hb_bool_t           replace);
+
+HB_EXTERN void *
+hb_subset_input_get_user_data (const hb_subset_input_t *input,
+                               hb_user_data_key_t      *key);
 
 HB_END_DECLS