-move templating library into exchange.git

2 files changed, 66 insertions, 0 deletions

diff --git a/src/include/Makefile.am b/src/include/Makefile.am
index 5cb1698cc..a535986cb 100644
--- a/src/include/Makefile.am
+++ b/src/include/Makefile.am
@@ -26,6 +26,7 @@ talerinclude_HEADERS = \
   taler_pq_lib.h \
   taler_signatures.h \
   taler_sq_lib.h \
+  taler_templating_lib.h \
   taler_twister_testing_lib.h
 
 EXTRA_DIST = \
diff --git a/src/include/taler_templating_lib.h b/src/include/taler_templating_lib.h
new file mode 100644
index 000000000..bad200f50
--- /dev/null
+++ b/src/include/taler_templating_lib.h
@@ -0,0 +1,65 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2020, 2022 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify it under the
+  terms of the GNU General Public License as published by the Free Software
+  Foundation; either version 3, or (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License along with
+  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file taler_templating_lib.h
+ * @brief logic to load and complete HTML templates
+ * @author Christian Grothoff
+ */
+#ifndef TALER_TEMPLATING_LIB_H
+#define TALER_TEMPLATING_LIB_H
+
+#include <microhttpd.h>
+
+
+/**
+ * Load a @a template and substitute using @a root, returning
+ * the result to the @a connection with the given
+ * @a http_status code.
+ *
+ * @param connection the connection we act upon
+ * @param http_status code to use on success
+ * @param template basename of the template to load
+ * @param instance_id instance ID, used to compute static files URL
+ * @param taler_uri value for "Taler:" header to set, or NULL
+ * @param root JSON object to pass as the root context
+ * @return #GNUNET_OK on success (reply queued), #GNUNET_NO if an error was queued,
+ *         #GNUNET_SYSERR on failure (to queue an error)
+ */
+enum GNUNET_GenericReturnValue
+TALER_TEMPLATING_reply (struct MHD_Connection *connection,
+                        unsigned int http_status,
+                        const char *template,
+                        const char *instance_id,
+                        const char *taler_uri,
+                        json_t *root);
+
+/**
+ * Preload templates.
+ *
+ * @param subsystem name of the subsystem, "merchant" or "exchange"
+ * @return #GNUNET_OK on success
+ */
+enum GNUNET_GenericReturnValue
+TALER_TEMPLATING_init (const char *subsystem);
+
+
+/**
+ * Nicely shut down templating subsystem.
+ */
+void
+TALER_TEMPLATING_done (void);
+
+#endif