Babeltrace python binding

[babeltrace.git] / bindings / python / python-complements.c

diff --git a/bindings/python/python-complements.c b/bindings/python/python-complements.c
new file mode 100644 (file)
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+++ b/bindings/python/python-complements.c
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+/*
+ * python-complements.c
+ *
+ * Babeltrace Python module complements, required for Python bindings
+ *
+ * Copyright 2012 EfficiOS Inc.
+ *
+ * Author: Danny Serres <danny.serres@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+
+#include "python-complements.h"
+
+/* FILE functions
+   ----------------------------------------------------
+*/
+
+FILE *_bt_file_open(char *file_path, char *mode)
+{
+       FILE *fp = stdout;
+       if (file_path != NULL)
+               fp = fopen(file_path, mode);
+       return fp;
+}
+
+void _bt_file_close(FILE *fp)
+{
+       if (fp != NULL)
+               fclose(fp);
+}
+
+
+/* List-related functions
+   ----------------------------------------------------
+*/
+
+/* ctf-field-list */
+struct definition **_bt_python_field_listcaller(
+               const struct bt_ctf_event *ctf_event,
+               const struct definition *scope)
+{
+       struct definition **list;
+       unsigned int count;
+       int ret;
+
+       ret = bt_ctf_get_field_list(ctf_event, scope,
+               (const struct definition * const **)&list, &count);
+
+       if (ret < 0)    /* For python to know an error occured */
+               list = NULL;
+       else            /* For python to know the end is reached */
+               list[count] = NULL;
+
+       return list;
+}
+
+struct definition *_bt_python_field_one_from_list(
+               struct definition **list, int index)
+{
+       return list[index];
+}
+
+/* event_decl_list */
+struct bt_ctf_event_decl **_bt_python_event_decl_listcaller(
+               int handle_id, struct bt_context *ctx)
+{
+       struct bt_ctf_event_decl **list;
+       unsigned int count;
+       int ret;
+
+       ret = bt_ctf_get_event_decl_list(handle_id, ctx,
+               (struct bt_ctf_event_decl * const **)&list, &count);
+
+       if (ret < 0)    /* For python to know an error occured */
+               list = NULL;
+       else            /* For python to know the end is reached */
+               list[count] = NULL;
+
+       return list;
+}
+
+struct bt_ctf_event_decl *_bt_python_decl_one_from_list(
+               struct bt_ctf_event_decl **list, int index)
+{
+       return list[index];
+}
+
+/* decl_fields */
+struct bt_ctf_field_decl **_by_python_field_decl_listcaller(
+               struct bt_ctf_event_decl *event_decl,
+               enum bt_ctf_scope scope)
+{
+       struct bt_ctf_field_decl **list;
+       unsigned int count;
+       int ret;
+
+       ret = bt_ctf_get_decl_fields(event_decl, scope,
+               (const struct bt_ctf_field_decl * const **)&list, &count);
+
+       if (ret < 0)    /* For python to know an error occured */
+               list = NULL;
+       else            /* For python to know the end is reached */
+               list[count] = NULL;
+
+       return list;
+}
+
+struct bt_ctf_field_decl *_bt_python_field_decl_one_from_list(
+               struct bt_ctf_field_decl **list, int index)
+{
+       return list[index];
+}