Commit | Line | Data |
---|---|---|
d06d03db | 1 | /* |
ccd7e1c8 | 2 | * array.c |
d06d03db | 3 | * |
ccd7e1c8 | 4 | * BabelTrace - Array Type Converter |
d06d03db | 5 | * |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
d06d03db | 9 | * |
ccd7e1c8 MD |
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: | |
d06d03db | 16 | * |
ccd7e1c8 MD |
17 | * The above copyright notice and this permission notice shall be included in |
18 | * all copies or substantial portions of the Software. | |
c462e188 MD |
19 | * |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
d06d03db MD |
27 | */ |
28 | ||
29 | #include <babeltrace/compiler.h> | |
4c8bfb7e | 30 | #include <babeltrace/format.h> |
3122e6f0 | 31 | #include <babeltrace/types.h> |
0f980a35 | 32 | #include <inttypes.h> |
d06d03db | 33 | |
c054553d | 34 | static |
ecc54f11 | 35 | struct bt_definition *_array_definition_new(struct bt_declaration *declaration, |
05c749e5 | 36 | struct definition_scope *parent_scope, |
98df1c9f | 37 | GQuark field_name, int index, const char *root_name); |
c054553d | 38 | static |
0d69b916 | 39 | void _array_definition_free(struct bt_definition *definition); |
c054553d | 40 | |
0d69b916 | 41 | int bt_array_rw(struct bt_stream_pos *pos, struct bt_definition *definition) |
d06d03db | 42 | { |
d11e9c49 | 43 | struct definition_array *array_definition = |
e1151715 | 44 | container_of(definition, struct definition_array, p); |
d11e9c49 MD |
45 | const struct declaration_array *array_declaration = |
46 | array_definition->declaration; | |
c054553d | 47 | uint64_t i; |
c5e74408 | 48 | int ret; |
d06d03db | 49 | |
d11e9c49 | 50 | /* No need to align, because the first field will align itself. */ |
f6625916 | 51 | for (i = 0; i < array_declaration->len; i++) { |
0d69b916 | 52 | struct bt_definition *field = |
b1a2f580 MD |
53 | g_ptr_array_index(array_definition->elems, i); |
54 | ret = generic_rw(pos, field); | |
c5e74408 MD |
55 | if (ret) |
56 | return ret; | |
d06d03db | 57 | } |
c5e74408 | 58 | return 0; |
d06d03db MD |
59 | } |
60 | ||
c054553d | 61 | static |
ecc54f11 | 62 | void _array_declaration_free(struct bt_declaration *declaration) |
d06d03db | 63 | { |
f6625916 MD |
64 | struct declaration_array *array_declaration = |
65 | container_of(declaration, struct declaration_array, p); | |
c054553d | 66 | |
becd02a1 | 67 | bt_free_declaration_scope(array_declaration->scope); |
e6b4b4f4 | 68 | bt_declaration_unref(array_declaration->elem); |
f6625916 | 69 | g_free(array_declaration); |
d06d03db MD |
70 | } |
71 | ||
f6625916 | 72 | struct declaration_array * |
dcaa2e7d | 73 | bt_array_declaration_new(size_t len, |
ecc54f11 | 74 | struct bt_declaration *elem_declaration, |
f6625916 | 75 | struct declaration_scope *parent_scope) |
d06d03db | 76 | { |
f6625916 | 77 | struct declaration_array *array_declaration; |
ecc54f11 | 78 | struct bt_declaration *declaration; |
d06d03db | 79 | |
f6625916 MD |
80 | array_declaration = g_new(struct declaration_array, 1); |
81 | declaration = &array_declaration->p; | |
82 | array_declaration->len = len; | |
e6b4b4f4 | 83 | bt_declaration_ref(elem_declaration); |
f6625916 | 84 | array_declaration->elem = elem_declaration; |
becd02a1 | 85 | array_declaration->scope = bt_new_declaration_scope(parent_scope); |
9a19a512 | 86 | declaration->id = BT_CTF_TYPE_ID_ARRAY; |
470f467f | 87 | declaration->alignment = elem_declaration->alignment; |
f6625916 MD |
88 | declaration->declaration_free = _array_declaration_free; |
89 | declaration->definition_new = _array_definition_new; | |
90 | declaration->definition_free = _array_definition_free; | |
91 | declaration->ref = 1; | |
92 | return array_declaration; | |
d06d03db | 93 | } |
c054553d MD |
94 | |
95 | static | |
0d69b916 | 96 | struct bt_definition * |
ecc54f11 | 97 | _array_definition_new(struct bt_declaration *declaration, |
05c749e5 | 98 | struct definition_scope *parent_scope, |
98df1c9f | 99 | GQuark field_name, int index, const char *root_name) |
c054553d | 100 | { |
f6625916 MD |
101 | struct declaration_array *array_declaration = |
102 | container_of(declaration, struct declaration_array, p); | |
e1151715 | 103 | struct definition_array *array; |
98df1c9f MD |
104 | int ret; |
105 | int i; | |
c054553d | 106 | |
e1151715 | 107 | array = g_new(struct definition_array, 1); |
e6b4b4f4 | 108 | bt_declaration_ref(&array_declaration->p); |
f6625916 MD |
109 | array->p.declaration = declaration; |
110 | array->declaration = array_declaration; | |
c054553d | 111 | array->p.ref = 1; |
98df1c9f MD |
112 | /* |
113 | * Use INT_MAX order to ensure that all fields of the parent | |
114 | * scope are seen as being prior to this scope. | |
115 | */ | |
116 | array->p.index = root_name ? INT_MAX : index; | |
b1a2f580 | 117 | array->p.name = field_name; |
2b77e6a6 JD |
118 | array->p.path = bt_new_definition_path(parent_scope, field_name, root_name); |
119 | array->p.scope = bt_new_definition_scope(parent_scope, field_name, root_name); | |
120 | ret = bt_register_field_definition(field_name, &array->p, | |
98df1c9f MD |
121 | parent_scope); |
122 | assert(!ret); | |
81dee1bb MD |
123 | array->string = NULL; |
124 | array->elems = NULL; | |
125 | ||
9a19a512 | 126 | if (array_declaration->elem->id == BT_CTF_TYPE_ID_INTEGER) { |
81dee1bb MD |
127 | struct declaration_integer *integer_declaration = |
128 | container_of(array_declaration->elem, struct declaration_integer, p); | |
129 | ||
130 | if (integer_declaration->encoding == CTF_STRING_UTF8 | |
131 | || integer_declaration->encoding == CTF_STRING_ASCII) { | |
132 | ||
133 | array->string = g_string_new(""); | |
81dee1bb MD |
134 | } |
135 | } | |
136 | ||
b1a2f580 MD |
137 | array->elems = g_ptr_array_sized_new(array_declaration->len); |
138 | g_ptr_array_set_size(array->elems, array_declaration->len); | |
0f980a35 | 139 | for (i = 0; i < array_declaration->len; i++) { |
0d69b916 | 140 | struct bt_definition **field; |
0f980a35 MD |
141 | GString *str; |
142 | GQuark name; | |
143 | ||
144 | str = g_string_new(""); | |
98df1c9f | 145 | g_string_printf(str, "[%u]", (unsigned int) i); |
0f980a35 MD |
146 | name = g_quark_from_string(str->str); |
147 | (void) g_string_free(str, TRUE); | |
148 | ||
0d69b916 | 149 | field = (struct bt_definition **) &g_ptr_array_index(array->elems, i); |
b1a2f580 | 150 | *field = array_declaration->elem->definition_new(array_declaration->elem, |
a35173fe | 151 | array->p.scope, |
98df1c9f MD |
152 | name, i, NULL); |
153 | if (!*field) | |
154 | goto error; | |
0f980a35 | 155 | } |
81dee1bb | 156 | |
c054553d | 157 | return &array->p; |
98df1c9f MD |
158 | |
159 | error: | |
160 | for (i--; i >= 0; i--) { | |
0d69b916 | 161 | struct bt_definition *field; |
98df1c9f MD |
162 | |
163 | field = g_ptr_array_index(array->elems, i); | |
164 | field->declaration->definition_free(field); | |
165 | } | |
166 | (void) g_ptr_array_free(array->elems, TRUE); | |
2b77e6a6 | 167 | bt_free_definition_scope(array->p.scope); |
e6b4b4f4 | 168 | bt_declaration_unref(array->p.declaration); |
98df1c9f MD |
169 | g_free(array); |
170 | return NULL; | |
c054553d MD |
171 | } |
172 | ||
173 | static | |
0d69b916 | 174 | void _array_definition_free(struct bt_definition *definition) |
c054553d | 175 | { |
e1151715 MD |
176 | struct definition_array *array = |
177 | container_of(definition, struct definition_array, p); | |
0f980a35 | 178 | uint64_t i; |
c054553d | 179 | |
81dee1bb MD |
180 | if (array->string) |
181 | (void) g_string_free(array->string, TRUE); | |
182 | if (array->elems) { | |
183 | for (i = 0; i < array->elems->len; i++) { | |
0d69b916 | 184 | struct bt_definition *field; |
0f980a35 | 185 | |
81dee1bb MD |
186 | field = g_ptr_array_index(array->elems, i); |
187 | field->declaration->definition_free(field); | |
188 | } | |
189 | (void) g_ptr_array_free(array->elems, TRUE); | |
0f980a35 | 190 | } |
2b77e6a6 | 191 | bt_free_definition_scope(array->p.scope); |
e6b4b4f4 | 192 | bt_declaration_unref(array->p.declaration); |
c054553d MD |
193 | g_free(array); |
194 | } | |
0f980a35 | 195 | |
dcaa2e7d | 196 | uint64_t bt_array_len(struct definition_array *array) |
3838df27 | 197 | { |
81dee1bb MD |
198 | if (!array->elems) |
199 | return array->string->len; | |
3838df27 MD |
200 | return array->elems->len; |
201 | } | |
202 | ||
0d69b916 | 203 | struct bt_definition *bt_array_index(struct definition_array *array, uint64_t i) |
0f980a35 | 204 | { |
81dee1bb MD |
205 | if (!array->elems) |
206 | return NULL; | |
0f980a35 MD |
207 | if (i >= array->elems->len) |
208 | return NULL; | |
b1a2f580 | 209 | return g_ptr_array_index(array->elems, i); |
0f980a35 | 210 | } |
343c801f | 211 | |
0d69b916 | 212 | int bt_get_array_len(const struct bt_definition *field) |
8673030f JD |
213 | { |
214 | struct definition_array *array_definition; | |
215 | struct declaration_array *array_declaration; | |
216 | ||
217 | array_definition = container_of(field, struct definition_array, p); | |
218 | array_declaration = array_definition->declaration; | |
219 | ||
220 | return array_declaration->len; | |
221 | } | |
222 | ||
0d69b916 | 223 | GString *bt_get_char_array(const struct bt_definition *field) |
343c801f JD |
224 | { |
225 | struct definition_array *array_definition; | |
226 | struct declaration_array *array_declaration; | |
ecc54f11 | 227 | struct bt_declaration *elem; |
343c801f JD |
228 | |
229 | array_definition = container_of(field, struct definition_array, p); | |
230 | array_declaration = array_definition->declaration; | |
231 | elem = array_declaration->elem; | |
9a19a512 | 232 | if (elem->id == BT_CTF_TYPE_ID_INTEGER) { |
343c801f JD |
233 | struct declaration_integer *integer_declaration = |
234 | container_of(elem, struct declaration_integer, p); | |
235 | ||
236 | if (integer_declaration->encoding == CTF_STRING_UTF8 | |
237 | || integer_declaration->encoding == CTF_STRING_ASCII) { | |
238 | ||
239 | if (integer_declaration->len == CHAR_BIT | |
240 | && integer_declaration->p.alignment == CHAR_BIT) { | |
241 | ||
242 | return array_definition->string; | |
243 | } | |
244 | } | |
245 | } | |
246 | fprintf(stderr, "[warning] Extracting string\n"); | |
247 | return NULL; | |
248 | } |