cleanup
[babeltrace.git] / types / array.c
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d06d03db 1/*
ccd7e1c8 2 * array.c
d06d03db 3 *
ccd7e1c8 4 * BabelTrace - Array Type Converter
d06d03db 5 *
c054553d 6 * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
d06d03db 7 *
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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:
d06d03db 14 *
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15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
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17 */
18
19#include <babeltrace/compiler.h>
4c8bfb7e 20#include <babeltrace/format.h>
0f980a35 21#include <inttypes.h>
d06d03db 22
c054553d 23static
f6625916 24struct definition *_array_definition_new(struct declaration *declaration,
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25 struct definition_scope *parent_scope,
26 GQuark field_name, int index);
c054553d 27static
e1151715 28void _array_definition_free(struct definition *definition);
c054553d 29
d11e9c49 30void array_rw(struct stream_pos *pos, struct definition *definition)
d06d03db 31{
d11e9c49 32 struct definition_array *array_definition =
e1151715 33 container_of(definition, struct definition_array, p);
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34 const struct declaration_array *array_declaration =
35 array_definition->declaration;
c054553d 36 uint64_t i;
d06d03db 37
d11e9c49 38 /* No need to align, because the first field will align itself. */
f6625916 39 for (i = 0; i < array_declaration->len; i++) {
0f980a35 40 struct definition *elem =
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41 g_array_index(array_definition->elems, struct field, i).definition;
42 generic_rw(pos, elem);
d06d03db 43 }
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44}
45
c054553d 46static
f6625916 47void _array_declaration_free(struct declaration *declaration)
d06d03db 48{
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49 struct declaration_array *array_declaration =
50 container_of(declaration, struct declaration_array, p);
c054553d 51
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52 free_declaration_scope(array_declaration->scope);
53 declaration_unref(array_declaration->elem);
54 g_free(array_declaration);
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55}
56
f6625916 57struct declaration_array *
ab4cf058 58 array_declaration_new(size_t len,
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59 struct declaration *elem_declaration,
60 struct declaration_scope *parent_scope)
d06d03db 61{
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62 struct declaration_array *array_declaration;
63 struct declaration *declaration;
d06d03db 64
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65 array_declaration = g_new(struct declaration_array, 1);
66 declaration = &array_declaration->p;
67 array_declaration->len = len;
68 declaration_ref(elem_declaration);
69 array_declaration->elem = elem_declaration;
70 array_declaration->scope = new_declaration_scope(parent_scope);
71 declaration->id = CTF_TYPE_ARRAY;
d06d03db 72 /* No need to align the array, the first element will align itself */
f6625916 73 declaration->alignment = 1;
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74 declaration->declaration_free = _array_declaration_free;
75 declaration->definition_new = _array_definition_new;
76 declaration->definition_free = _array_definition_free;
77 declaration->ref = 1;
78 return array_declaration;
d06d03db 79}
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80
81static
e1151715 82struct definition *
f6625916 83 _array_definition_new(struct declaration *declaration,
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84 struct definition_scope *parent_scope,
85 GQuark field_name, int index)
c054553d 86{
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87 struct declaration_array *array_declaration =
88 container_of(declaration, struct declaration_array, p);
e1151715 89 struct definition_array *array;
0f980a35 90 uint64_t i;
c054553d 91
e1151715 92 array = g_new(struct definition_array, 1);
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93 declaration_ref(&array_declaration->p);
94 array->p.declaration = declaration;
95 array->declaration = array_declaration;
c054553d 96 array->p.ref = 1;
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97 array->p.index = index;
98 array->scope = new_definition_scope(parent_scope, field_name);
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99 array->elems = g_array_sized_new(FALSE, TRUE, sizeof(struct field),
100 array_declaration->len);
101 g_array_set_size(array->elems, array_declaration->len);
102 for (i = 0; i < array_declaration->len; i++) {
103 struct field *field;
104 GString *str;
105 GQuark name;
106
107 str = g_string_new("");
108 g_string_printf(str, "[%" PRIu64 "]", i);
109 name = g_quark_from_string(str->str);
110 (void) g_string_free(str, TRUE);
111
112 field = &g_array_index(array->elems, struct field, i);
113 field->name = name;
114 field->definition = array_declaration->elem->definition_new(array_declaration->elem,
115 array->scope,
116 name, i);
117 }
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118 return &array->p;
119}
120
121static
e1151715 122void _array_definition_free(struct definition *definition)
c054553d 123{
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124 struct definition_array *array =
125 container_of(definition, struct definition_array, p);
0f980a35 126 uint64_t i;
c054553d 127
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128 for (i = 0; i < array->elems->len; i++) {
129 struct field *field;
130
131 field = &g_array_index(array->elems, struct field, i);
132 field->definition->declaration->definition_free(field->definition);
133 }
134 (void) g_array_free(array->elems, TRUE);
e1151715 135 free_definition_scope(array->scope);
f6625916 136 declaration_unref(array->p.declaration);
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137 g_free(array);
138}
0f980a35 139
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140uint64_t array_len(struct definition_array *array)
141{
142 return array->elems->len;
143}
144
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145struct definition *array_index(struct definition_array *array, uint64_t i)
146{
147 if (i >= array->elems->len)
148 return NULL;
149 return g_array_index(array->elems, struct field, i).definition;
150}
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