4 * BabelTrace - Array Type Converter
6 * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
19 #include <babeltrace/compiler.h>
20 #include <babeltrace/format.h>
24 struct definition
*_array_definition_new(struct declaration
*declaration
,
25 struct definition_scope
*parent_scope
,
26 GQuark field_name
, int index
, const char *root_name
);
28 void _array_definition_free(struct definition
*definition
);
30 int array_rw(struct stream_pos
*pos
, struct definition
*definition
)
32 struct definition_array
*array_definition
=
33 container_of(definition
, struct definition_array
, p
);
34 const struct declaration_array
*array_declaration
=
35 array_definition
->declaration
;
39 /* No need to align, because the first field will align itself. */
40 for (i
= 0; i
< array_declaration
->len
; i
++) {
41 struct definition
*field
=
42 g_ptr_array_index(array_definition
->elems
, i
);
43 ret
= generic_rw(pos
, field
);
51 void _array_declaration_free(struct declaration
*declaration
)
53 struct declaration_array
*array_declaration
=
54 container_of(declaration
, struct declaration_array
, p
);
56 free_declaration_scope(array_declaration
->scope
);
57 declaration_unref(array_declaration
->elem
);
58 g_free(array_declaration
);
61 struct declaration_array
*
62 array_declaration_new(size_t len
,
63 struct declaration
*elem_declaration
,
64 struct declaration_scope
*parent_scope
)
66 struct declaration_array
*array_declaration
;
67 struct declaration
*declaration
;
69 array_declaration
= g_new(struct declaration_array
, 1);
70 declaration
= &array_declaration
->p
;
71 array_declaration
->len
= len
;
72 declaration_ref(elem_declaration
);
73 array_declaration
->elem
= elem_declaration
;
74 array_declaration
->scope
= new_declaration_scope(parent_scope
);
75 declaration
->id
= CTF_TYPE_ARRAY
;
76 /* No need to align the array, the first element will align itself */
77 declaration
->alignment
= 1;
78 declaration
->declaration_free
= _array_declaration_free
;
79 declaration
->definition_new
= _array_definition_new
;
80 declaration
->definition_free
= _array_definition_free
;
82 return array_declaration
;
87 _array_definition_new(struct declaration
*declaration
,
88 struct definition_scope
*parent_scope
,
89 GQuark field_name
, int index
, const char *root_name
)
91 struct declaration_array
*array_declaration
=
92 container_of(declaration
, struct declaration_array
, p
);
93 struct definition_array
*array
;
97 array
= g_new(struct definition_array
, 1);
98 declaration_ref(&array_declaration
->p
);
99 array
->p
.declaration
= declaration
;
100 array
->declaration
= array_declaration
;
103 * Use INT_MAX order to ensure that all fields of the parent
104 * scope are seen as being prior to this scope.
106 array
->p
.index
= root_name
? INT_MAX
: index
;
107 array
->p
.name
= field_name
;
108 array
->p
.path
= new_definition_path(parent_scope
, field_name
, root_name
);
109 array
->p
.scope
= new_definition_scope(parent_scope
, field_name
, root_name
);
110 ret
= register_field_definition(field_name
, &array
->p
,
113 array
->string
= NULL
;
116 if (array_declaration
->elem
->id
== CTF_TYPE_INTEGER
) {
117 struct declaration_integer
*integer_declaration
=
118 container_of(array_declaration
->elem
, struct declaration_integer
, p
);
120 if (integer_declaration
->encoding
== CTF_STRING_UTF8
121 || integer_declaration
->encoding
== CTF_STRING_ASCII
) {
123 array
->string
= g_string_new("");
125 if (integer_declaration
->len
== CHAR_BIT
126 && integer_declaration
->p
.alignment
== CHAR_BIT
) {
132 array
->elems
= g_ptr_array_sized_new(array_declaration
->len
);
133 g_ptr_array_set_size(array
->elems
, array_declaration
->len
);
134 for (i
= 0; i
< array_declaration
->len
; i
++) {
135 struct definition
**field
;
139 str
= g_string_new("");
140 g_string_printf(str
, "[%u]", (unsigned int) i
);
141 name
= g_quark_from_string(str
->str
);
142 (void) g_string_free(str
, TRUE
);
144 field
= (struct definition
**) &g_ptr_array_index(array
->elems
, i
);
145 *field
= array_declaration
->elem
->definition_new(array_declaration
->elem
,
155 for (i
--; i
>= 0; i
--) {
156 struct definition
*field
;
158 field
= g_ptr_array_index(array
->elems
, i
);
159 field
->declaration
->definition_free(field
);
161 (void) g_ptr_array_free(array
->elems
, TRUE
);
162 free_definition_scope(array
->p
.scope
);
163 declaration_unref(array
->p
.declaration
);
169 void _array_definition_free(struct definition
*definition
)
171 struct definition_array
*array
=
172 container_of(definition
, struct definition_array
, p
);
176 (void) g_string_free(array
->string
, TRUE
);
178 for (i
= 0; i
< array
->elems
->len
; i
++) {
179 struct definition
*field
;
181 field
= g_ptr_array_index(array
->elems
, i
);
182 field
->declaration
->definition_free(field
);
184 (void) g_ptr_array_free(array
->elems
, TRUE
);
186 free_definition_scope(array
->p
.scope
);
187 declaration_unref(array
->p
.declaration
);
191 uint64_t array_len(struct definition_array
*array
)
194 return array
->string
->len
;
195 return array
->elems
->len
;
198 struct definition
*array_index(struct definition_array
*array
, uint64_t i
)
202 if (i
>= array
->elems
->len
)
204 return g_ptr_array_index(array
->elems
, i
);
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