first commit based on psycopg2 2.9 version

psycopg/microprotocols.h

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+/* microprotocols.c - definitions for minimalist and non-validating protocols
+ *
+ * Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
+ * Copyright (C) 2020-2021 The Psycopg Team
+ *
+ * This file is part of psycopg.
+ *
+ * psycopg2 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link this program with the OpenSSL library (or with
+ * modified versions of OpenSSL that use the same license as OpenSSL),
+ * and distribute linked combinations including the two.
+ *
+ * You must obey the GNU Lesser General Public License in all respects for
+ * all of the code used other than OpenSSL.
+ *
+ * psycopg2 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 Lesser General Public
+ * License for more details.
+ */
+
+#ifndef PSYCOPG_MICROPROTOCOLS_H
+#define PSYCOPG_MICROPROTOCOLS_H 1
+
+#include "psycopg/connection.h"
+#include "psycopg/cursor.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** adapters registry **/
+
+extern HIDDEN PyObject *psyco_adapters;
+
+/** the names of the three mandatory methods **/
+
+#define MICROPROTOCOLS_GETQUOTED_NAME "getquoted"
+#define MICROPROTOCOLS_GETSTRING_NAME "getstring"
+#define MICROPROTOCOLS_GETBINARY_NAME "getbinary"
+
+/** exported functions **/
+
+/* used by module.c to init the microprotocols system */
+HIDDEN RAISES_NEG int microprotocols_init(PyObject *dict);
+HIDDEN RAISES_NEG int microprotocols_add(
+    PyTypeObject *type, PyObject *proto, PyObject *cast);
+
+HIDDEN PyObject *microprotocols_adapt(
+    PyObject *obj, PyObject *proto, PyObject *alt);
+HIDDEN PyObject *microprotocol_getquoted(
+    PyObject *obj, connectionObject *conn);
+
+HIDDEN PyObject *
+    psyco_microprotocols_adapt(cursorObject *self, PyObject *args);
+#define psyco_microprotocols_adapt_doc \
+    "adapt(obj, protocol, alternate) -> object -- adapt obj to given protocol"
+
+#endif /* !defined(PSYCOPG_MICROPROTOCOLS_H) */