1/*
2 INTEL CONFIDENTIAL
3 Copyright 2009 Intel Corporation All Rights Reserved.
4 The source code contained or described herein and all documents related to the source code ("Material") are owned by Intel Corporation or its suppliers or licensors. Title to the Material remains with Intel Corporation or its suppliers and licensors. The Material contains trade secrets and proprietary and confidential information of Intel or its suppliers and licensors. The Material is protected by worldwide copyright and trade secret laws and treaty provisions. No part of the Material may be used, copied, reproduced, modified, published, uploaded, posted, transmitted, distributed, or disclosed in any way without Intel’s prior express written permission.
5
6 No license under any patent, copyright, trade secret or other intellectual property right is granted to or conferred upon you by disclosure or delivery of the Materials, either expressly, by implication, inducement, estoppel or otherwise. Any license under such intellectual property rights must be express and approved by Intel in writing.
7 */
8
9#include <glib.h>
10
11#include "vbp_loader.h"
12#include "vbp_utils.h"
13
14/**
15 *
16 */
17uint32 vbp_open(uint32 parser_type, Handle *hcontext)
18{
19	vbp_context **ppcontext;
20	uint32 error;
21
22	if (NULL == hcontext)
23	{
24		return VBP_PARM;
25	}
26
27	*hcontext = NULL;  /* prepare for failure. */
28
29	ppcontext = (vbp_context **)hcontext;
30
31	/**
32	* TO DO:
33	* check if vbp context has been created.
34	*/
35
36	error = vbp_utils_create_context(parser_type, ppcontext);
37	if (VBP_OK != error)
38	{
39		ETRACE("Failed to create context: %d.", error);
40	}
41
42	return error;
43}
44
45/**
46 *
47 */
48uint32 vbp_close(Handle hcontext)
49{
50	uint32 error;
51
52	if (NULL == hcontext)
53	{
54		return VBP_PARM;
55	}
56
57	vbp_context *pcontext = (vbp_context *)hcontext;
58
59	if (MAGIC_NUMBER != pcontext->identifier)
60	{
61		/* not a valid vbp context. */
62		ETRACE("context is not initialized");
63		return VBP_INIT;
64	}
65	error = vbp_utils_destroy_context(pcontext);
66	if (VBP_OK != error)
67	{
68		ETRACE("Failed to destroy context: %d.", error);
69	}
70
71	return error;
72}
73
74
75/**
76 *
77 */
78uint32 vbp_parse(Handle hcontext, uint8 *data, uint32 size, uint8 init_data_flag)
79{
80	vbp_context *pcontext;
81	uint32 error = VBP_OK;
82
83	if ((NULL == hcontext) || (NULL == data) || (0 == size))
84	{
85		ETRACE("Invalid input parameters.");
86		return VBP_PARM;
87	}
88
89	pcontext = (vbp_context *)hcontext;
90
91	if (MAGIC_NUMBER != pcontext->identifier)
92	{
93		ETRACE("context is not initialized");
94		return VBP_INIT;
95	}
96
97	error = vbp_utils_parse_buffer(pcontext, data, size, init_data_flag);
98
99	if (VBP_OK != error)
100	{
101		ETRACE("Failed to parse buffer: %d.", error);
102	}
103	return error;
104}
105
106/**
107 *
108 */
109uint32 vbp_query(Handle hcontext, void **data)
110{
111	vbp_context *pcontext;
112	uint32 error = VBP_OK;
113
114	if ((NULL == hcontext) || (NULL == data))
115	{
116		ETRACE("Invalid input parameters.");
117		return VBP_PARM;
118	}
119
120	pcontext = (vbp_context *)hcontext;
121
122	if (MAGIC_NUMBER != pcontext->identifier)
123	{
124		ETRACE("context is not initialized");
125		return VBP_INIT;
126	}
127
128	error = vbp_utils_query(pcontext, data);
129
130	if (VBP_OK != error)
131	{
132		ETRACE("Failed to query parsing result: %d.", error);
133	}
134		return error;
135}
136
137/**
138 *
139 */
140uint32 vbp_flush(Handle hcontext)
141{
142	vbp_context *pcontext;
143	uint32 error = VBP_OK;
144
145	if (NULL == hcontext)
146	{
147		ETRACE("Invalid input parameters.");
148		return VBP_PARM;
149	}
150
151	pcontext = (vbp_context *)hcontext;
152
153	if (MAGIC_NUMBER != pcontext->identifier)
154	{
155		ETRACE("context is not initialized");
156		return VBP_INIT;
157	}
158
159	error = vbp_utils_flush(pcontext);
160
161	return error;
162}
163