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

/*
 * 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];
}
Commit	Line	Data
24a3136a DS	1	/*
	2	* python-complements.c
	3	*
	4	* Babeltrace Python module complements, required for Python bindings
	5	*
	6	* Copyright 2012 EfficiOS Inc.
	7	*
	8	* Author: Danny Serres <danny.serres@efficios.com>
	9	*
	10	* Permission is hereby granted, free of charge, to any person obtaining a copy
	11	* of this software and associated documentation files (the "Software"), to deal
	12	* in the Software without restriction, including without limitation the rights
	13	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	14	* copies of the Software, and to permit persons to whom the Software is
	15	* furnished to do so, subject to the following conditions:
	16	*
	17	* The above copyright notice and this permission notice shall be included in
	18	* all copies or substantial portions of the Software.
	19	*/
	20
	21	#include "python-complements.h"
	22
	23	/* FILE functions
	24	----------------------------------------------------
	25	*/
	26
	27	FILE _bt_file_open(char file_path, char *mode)
	28	{
	29	FILE *fp = stdout;
	30	if (file_path != NULL)
	31	fp = fopen(file_path, mode);
	32	return fp;
	33	}
	34
	35	void _bt_file_close(FILE *fp)
	36	{
	37	if (fp != NULL)
	38	fclose(fp);
	39	}
	40
	41
	42	/* List-related functions
	43	----------------------------------------------------
	44	*/
	45
	46	/* ctf-field-list */
	47	struct definition **_bt_python_field_listcaller(
	48	const struct bt_ctf_event *ctf_event,
	49	const struct definition *scope)
	50	{
	51	struct definition **list;
	52	unsigned int count;
	53	int ret;
	54
	55	ret = bt_ctf_get_field_list(ctf_event, scope,
	56	(const struct definition * const **)&list, &count);
	57
	58	if (ret < 0) /* For python to know an error occured */
	59	list = NULL;
	60	else /* For python to know the end is reached */
	61	list[count] = NULL;
	62
	63	return list;
	64	}
65
66	struct definition *_bt_python_field_one_from_list(
67	struct definition **list, int index)
68	{
69	return list[index];
70	}
71
72	/* event_decl_list */
73	struct bt_ctf_event_decl **_bt_python_event_decl_listcaller(
74	int handle_id, struct bt_context *ctx)
75	{
76	struct bt_ctf_event_decl **list;
77	unsigned int count;
78	int ret;
79
80	ret = bt_ctf_get_event_decl_list(handle_id, ctx,
81	(struct bt_ctf_event_decl * const **)&list, &count);
82
83	if (ret < 0) /* For python to know an error occured */
84	list = NULL;
85	else /* For python to know the end is reached */
86	list[count] = NULL;
87
88	return list;
89	}
90
91	struct bt_ctf_event_decl *_bt_python_decl_one_from_list(
92	struct bt_ctf_event_decl **list, int index)
93	{
94	return list[index];
95	}
96
97	/* decl_fields */
98	struct bt_ctf_field_decl **_by_python_field_decl_listcaller(
99	struct bt_ctf_event_decl *event_decl,
100	enum bt_ctf_scope scope)
101	{
102	struct bt_ctf_field_decl **list;
103	unsigned int count;
104	int ret;
105
106	ret = bt_ctf_get_decl_fields(event_decl, scope,
107	(const struct bt_ctf_field_decl * const **)&list, &count);
108
109	if (ret < 0) /* For python to know an error occured */
110	list = NULL;
111	else /* For python to know the end is reached */
112	list[count] = NULL;
113
114	return list;
115	}
116
117	struct bt_ctf_field_decl *_bt_python_field_decl_one_from_list(
118	struct bt_ctf_field_decl **list, int index)
119	{
120	return list[index];
121	}