tracing: Add transaction tag methods

include/sentry.h

@@ -1275,6 +1275,32 @@ SENTRY_EXPERIMENTAL_API void sentry_transaction_set_sampled(
 SENTRY_EXPERIMENTAL_API void sentry_transaction_remove_sampled(
     sentry_value_t transaction);
 
+/**
+ * Sets a tag on a transaction to the given string value.
+ */
+SENTRY_EXPERIMENTAL_API void sentry_transaction_set_tag(
+    sentry_value_t transaction, const char *tag, const char *value);
+
+/**
+ * Removes a tag from a transaction. Returns 0 if the tag was successfully
+ * removed, 1 otherwise.
+ */
+SENTRY_EXPERIMENTAL_API int sentry_transaction_remove_tag(
+    sentry_value_t transaction, const char *tag);
+
+/**
+ * Sets the given key in a transaction's "data" section to the given value.
+ */
+SENTRY_EXPERIMENTAL_API void sentry_transaction_set_data(
+    sentry_value_t transaction, const char *key, sentry_value_t value);
+
+/**
+ * Removes a key from a transaction's "data" section. Returns 0 if the key was successfully
+ * removed, 1 otherwise.
+ */
+SENTRY_EXPERIMENTAL_API int sentry_transaction_remove_data(
+    sentry_value_t transaction, const char *key);
+
 #ifdef __cplusplus
 }
 #endif

src/sentry_value.c

@@ -1219,3 +1219,48 @@ sentry_event_value_add_stacktrace(sentry_value_t event, void **ips, size_t len)
 
     sentry_event_add_thread(event, thread);
 }
+
+void
+sentry_transaction_set_tag(sentry_value_t transaction, const char *tag, const char *value)
+{
+    sentry_value_t tags = sentry_value_get_by_key(transaction, "tags");
+    if (sentry_value_is_null(tags)) {
+        tags = sentry_value_new_object();
+        sentry_value_set_by_key(transaction, "tags", tags);
+    }
+    sentry_value_t value_str = sentry_value_new_string(value);
+    sentry_value_set_by_key(tags, tag, value_str);
+}
+
+int
+sentry_transaction_remove_tag(sentry_value_t transaction, const char *tag)
+{
+    sentry_value_t tags = sentry_value_get_by_key(transaction, "tags");
+    if (!sentry_value_is_null(tags)) {
+        return sentry_value_remove_by_key(tags, tag);
+    }
+
+    return 1;
+}
+
+void
+sentry_transaction_set_data(sentry_value_t transaction, const char *key, sentry_value_t value)
+{
+    sentry_value_t data = sentry_value_get_by_key(transaction, "data");
+    if (sentry_value_is_null(data)) {
+        data = sentry_value_new_object();
+        sentry_value_set_by_key(transaction, "data", data);
+    }
+    sentry_value_set_by_key(data, key, value);
+}
+
+int
+sentry_transaction_remove_data(sentry_value_t transaction, const char *key)
+{
+    sentry_value_t data = sentry_value_get_by_key(transaction, "data");
+    if (!sentry_value_is_null(data)) {
+        return sentry_value_remove_by_key(data, key);
+    }
+
+    return 1;
+}