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<hr><h1>dbus-gidl.c</h1><div class="fragment"><pre>00001 <font class="comment">/* -*- mode: C; c-file-style: "gnu" -*- */</font>
00002 <font class="comment">/* dbus-gidl.c data structure describing an interface, to be generated from IDL</font>
00003 <font class="comment"> * or something</font>
00004 <font class="comment"> *</font>
00005 <font class="comment"> * Copyright (C) 2003 Red Hat, Inc.</font>
00006 <font class="comment"> *</font>
00007 <font class="comment"> * Licensed under the Academic Free License version 2.0</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This program is free software; you can redistribute it and/or modify</font>
00010 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00011 <font class="comment"> * the Free Software Foundation; either version 2 of the License, or</font>
00012 <font class="comment"> * (at your option) any later version.</font>
00013 <font class="comment"> *</font>
00014 <font class="comment"> * This program is distributed in the hope that it will be useful,</font>
00015 <font class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00016 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</font>
00017 <font class="comment"> * GNU General Public License for more details.</font>
00018 <font class="comment"> *</font>
00019 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00020 <font class="comment"> * along with this program; if not, write to the Free Software</font>
00021 <font class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</font>
00022 <font class="comment"> *</font>
00023 <font class="comment"> */</font>
00024
00025 <font class="preprocessor">#include "dbus-gidl.h"</font>
00026
00027 <font class="preprocessor">#ifndef DOXYGEN_SHOULD_SKIP_THIS</font>
00028 <font class="preprocessor"></font>
00029 <font class="keyword">struct </font>BaseInfo
00030 {
00031 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> refcount : 28;
00032 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> type : 4;
00033 <font class="keywordtype">char</font> *name;
00034 };
00035
00036 <font class="keyword">struct </font>NodeInfo
00037 {
00038 BaseInfo base;
00039 GSList *interfaces;
00040 GSList *nodes;
00041 };
00042
00043 <font class="keyword">struct </font>InterfaceInfo
00044 {
00045 BaseInfo base;
00046 <font class="comment">/* Since we have BaseInfo now these could be one list */</font>
00047 GSList *methods;
00048 GSList *signals;
00049 };
00050
00051 <font class="keyword">struct </font>MethodInfo
00052 {
00053 BaseInfo base;
00054 GSList *args;
00055 };
00056
00057 <font class="keyword">struct </font>SignalInfo
00058 {
00059 BaseInfo base;
00060 GSList *args;
00061 };
00062
00063 <font class="keyword">struct </font>ArgInfo
00064 {
00065 BaseInfo base;
00066 <font class="keywordtype">int</font> type;
00067 ArgDirection direction;
00068 };
00069
00070 BaseInfo *
00071 base_info_ref (BaseInfo *info)
00072 {
00073 g_return_val_if_fail (info != NULL, NULL);
00074 g_return_val_if_fail (info->refcount > 0, NULL);
00075
00076 info->refcount += 1;
00077
00078 <font class="keywordflow">return</font> info;
00079 }
00080
00081 <font class="keyword">static</font> <font class="keywordtype">void</font>
00082 base_info_free (<font class="keywordtype">void</font> *ptr)
00083 {
00084 BaseInfo *info;
00085
00086 info = ptr;
00087
00088 g_free (info->name);
00089 g_free (info);
00090 }
00091
00092 <font class="keywordtype">void</font>
00093 base_info_unref (BaseInfo *info)
00094 {
00095 g_return_if_fail (info != NULL);
00096 g_return_if_fail (info->refcount > 0);
00097
00098 <font class="comment">/* This is sort of bizarre, BaseInfo was tacked on later */</font>
00099
00100 <font class="keywordflow">switch</font> (info->type)
00101 {
00102 <font class="keywordflow">case</font> INFO_TYPE_NODE:
00103 node_info_unref ((NodeInfo*) info);
00104 <font class="keywordflow">break</font>;
00105 <font class="keywordflow">case</font> INFO_TYPE_INTERFACE:
00106 interface_info_unref ((InterfaceInfo*) info);
00107 <font class="keywordflow">break</font>;
00108 <font class="keywordflow">case</font> INFO_TYPE_SIGNAL:
00109 signal_info_unref ((SignalInfo*) info);
00110 <font class="keywordflow">break</font>;
00111 <font class="keywordflow">case</font> INFO_TYPE_METHOD:
00112 method_info_unref ((MethodInfo*) info);
00113 <font class="keywordflow">break</font>;
00114 <font class="keywordflow">case</font> INFO_TYPE_ARG:
00115 arg_info_unref ((ArgInfo*) info);
00116 <font class="keywordflow">break</font>;
00117 }
00118 }
00119
00120 InfoType
00121 base_info_get_type (BaseInfo *info)
00122 {
00123 <font class="keywordflow">return</font> info->type;
00124 }
00125
00126 <font class="keyword">const</font> <font class="keywordtype">char</font>*
00127 base_info_get_name (BaseInfo *info)
00128 {
00129 <font class="keywordflow">return</font> info->name;
00130 }
00131
00132 <font class="keywordtype">void</font>
00133 base_info_set_name (BaseInfo *info,
00134 <font class="keyword">const</font> <font class="keywordtype">char</font> *name)
00135 {
00136 <font class="keywordtype">char</font> *old;
00137
00138 old = info->name;
00139 info->name = g_strdup (name);
00140 g_free (old);
00141 }
00142
00143 GType
00144 base_info_get_gtype (<font class="keywordtype">void</font>)
00145 {
00146 <font class="keyword">static</font> GType our_type = 0;
00147
00148 <font class="keywordflow">if</font> (our_type == 0)
00149 our_type = g_boxed_type_register_static (<font class="stringliteral">"BaseInfo"</font>,
00150 (GBoxedCopyFunc) base_info_ref,
00151 (GBoxedFreeFunc) base_info_unref);
00152
00153 <font class="keywordflow">return</font> our_type;
00154 }
00155
00156 <font class="keyword">static</font> <font class="keywordtype">void</font>
00157 free_interface_list (GSList **interfaces_p)
00158 {
00159 GSList *tmp;
00160 tmp = *interfaces_p;
00161 <font class="keywordflow">while</font> (tmp != NULL)
00162 {
00163 interface_info_unref (tmp->data);
00164 tmp = tmp->next;
00165 }
00166 g_slist_free (*interfaces_p);
00167 *interfaces_p = NULL;
00168 }
00169
00170 <font class="keyword">static</font> <font class="keywordtype">void</font>
00171 free_node_list (GSList **nodes_p)
00172 {
00173 GSList *tmp;
00174 tmp = *nodes_p;
00175 <font class="keywordflow">while</font> (tmp != NULL)
00176 {
00177 node_info_unref (tmp->data);
00178 tmp = tmp->next;
00179 }
00180 g_slist_free (*nodes_p);
00181 *nodes_p = NULL;
00182 }
00183
00184 <font class="keyword">static</font> <font class="keywordtype">void</font>
00185 free_method_list (GSList **methods_p)
00186 {
00187 GSList *tmp;
00188 tmp = *methods_p;
00189 <font class="keywordflow">while</font> (tmp != NULL)
00190 {
00191 method_info_unref (tmp->data);
00192 tmp = tmp->next;
00193 }
00194 g_slist_free (*methods_p);
00195 *methods_p = NULL;
00196 }
00197
00198 <font class="keyword">static</font> <font class="keywordtype">void</font>
00199 free_signal_list (GSList **signals_p)
00200 {
00201 GSList *tmp;
00202 tmp = *signals_p;
00203 <font class="keywordflow">while</font> (tmp != NULL)
00204 {
00205 signal_info_unref (tmp->data);
00206 tmp = tmp->next;
00207 }
00208 g_slist_free (*signals_p);
00209 *signals_p = NULL;
00210 }
00211
00212 NodeInfo*
00213 node_info_new (<font class="keyword">const</font> <font class="keywordtype">char</font> *name)
00214 {
00215 NodeInfo *info;
00216
00217 <font class="comment">/* name can be NULL */</font>
00218
00219 info = g_new0 (NodeInfo, 1);
00220 info->base.refcount = 1;
00221 info->base.name = g_strdup (name);
00222 info->base.type = INFO_TYPE_NODE;
00223
00224 <font class="keywordflow">return</font> info;
00225 }
00226
00227 NodeInfo *
00228 node_info_ref (NodeInfo *info)
00229 {
00230 info->base.refcount += 1;
00231
00232 <font class="keywordflow">return</font> info;
00233 }
00234
00235 <font class="keywordtype">void</font>
00236 node_info_unref (NodeInfo *info)
00237 {
00238 info->base.refcount -= 1;
00239 <font class="keywordflow">if</font> (info->base.refcount == 0)
00240 {
00241 free_interface_list (&info->interfaces);
00242 free_node_list (&info->nodes);
00243 base_info_free (info);
00244 }
00245 }
00246
00247 <font class="keyword">const</font> <font class="keywordtype">char</font>*
00248 node_info_get_name (NodeInfo *info)
00249 {
00250 <font class="keywordflow">return</font> info->base.name;
00251 }
00252
00253 GSList*
00254 node_info_get_interfaces (NodeInfo *info)
00255 {
00256 <font class="keywordflow">return</font> info->interfaces;
00257 }
00258
00259 <font class="keywordtype">void</font>
00260 node_info_add_interface (NodeInfo *info,
00261 InterfaceInfo *interface)
00262 {
00263 interface_info_ref (interface);
00264 info->interfaces = g_slist_append (info->interfaces, interface);
00265 }
00266
00267 GSList*
00268 node_info_get_nodes (NodeInfo *info)
00269 {
00270 <font class="keywordflow">return</font> info->nodes;
00271 }
00272
00273 <font class="keywordtype">void</font>
00274 node_info_add_node (NodeInfo *info,
00275 NodeInfo *node)
00276 {
00277 node_info_ref (node);
00278 info->nodes = g_slist_append (info->nodes, node);
00279 }
00280
00281 InterfaceInfo*
00282 interface_info_new (<font class="keyword">const</font> <font class="keywordtype">char</font> *name)
00283 {
00284 InterfaceInfo *info;
00285
00286 info = g_new0 (InterfaceInfo, 1);
00287 info->base.refcount = 1;
00288 info->base.name = g_strdup (name);
00289 info->base.type = INFO_TYPE_INTERFACE;
00290
00291 <font class="keywordflow">return</font> info;
00292 }
00293
00294 InterfaceInfo *
00295 interface_info_ref (InterfaceInfo *info)
00296 {
00297 info->base.refcount += 1;
00298
00299 <font class="keywordflow">return</font> info;
00300 }
00301
00302 <font class="keywordtype">void</font>
00303 interface_info_unref (InterfaceInfo *info)
00304 {
00305 info->base.refcount -= 1;
00306 <font class="keywordflow">if</font> (info->base.refcount == 0)
00307 {
00308 free_method_list (&info->methods);
00309 free_signal_list (&info->signals);
00310 base_info_free (info);
00311 }
00312 }
00313
00314 <font class="keyword">const</font> <font class="keywordtype">char</font>*
00315 interface_info_get_name (InterfaceInfo *info)
00316 {
00317 <font class="keywordflow">return</font> info->base.name;
00318 }
00319
00320 GSList*
00321 interface_info_get_methods (InterfaceInfo *info)
00322 {
00323 <font class="keywordflow">return</font> info->methods;
00324 }
00325
00326 GSList*
00327 interface_info_get_signals (InterfaceInfo *info)
00328 {
00329 <font class="keywordflow">return</font> info->signals;
00330 }
00331
00332 <font class="keywordtype">void</font>
00333 interface_info_add_method (InterfaceInfo *info,
00334 MethodInfo *method)
00335 {
00336 method_info_ref (method);
00337 info->methods = g_slist_append (info->methods, method);
00338 }
00339
00340 <font class="keywordtype">void</font>
00341 interface_info_add_signal (InterfaceInfo *info,
00342 SignalInfo *signal)
00343 {
00344 signal_info_ref (signal);
00345 info->signals = g_slist_append (info->signals, signal);
00346 }
00347
00348 <font class="keyword">static</font> <font class="keywordtype">void</font>
00349 free_arg_list (GSList **args_p)
00350 {
00351 GSList *tmp;
00352 tmp = *args_p;
00353 <font class="keywordflow">while</font> (tmp != NULL)
00354 {
00355 arg_info_unref (tmp->data);
00356 tmp = tmp->next;
00357 }
00358 g_slist_free (*args_p);
00359 *args_p = NULL;
00360 }
00361
00362 MethodInfo*
00363 method_info_new (<font class="keyword">const</font> <font class="keywordtype">char</font> *name)
00364 {
00365 MethodInfo *info;
00366
00367 info = g_new0 (MethodInfo, 1);
00368 info->base.refcount = 1;
00369 info->base.name = g_strdup (name);
00370 info->base.type = INFO_TYPE_METHOD;
00371
00372 <font class="keywordflow">return</font> info;
00373 }
00374
00375 MethodInfo *
00376 method_info_ref (MethodInfo *info)
00377 {
00378 info->base.refcount += 1;
00379
00380 <font class="keywordflow">return</font> info;
00381 }
00382
00383 <font class="keywordtype">void</font>
00384 method_info_unref (MethodInfo *info)
00385 {
00386 info->base.refcount -= 1;
00387 <font class="keywordflow">if</font> (info->base.refcount == 0)
00388 {
00389 free_arg_list (&info->args);
00390 base_info_free (info);
00391 }
00392 }
00393
00394 <font class="keyword">const</font> <font class="keywordtype">char</font>*
00395 method_info_get_name (MethodInfo *info)
00396 {
00397 <font class="keywordflow">return</font> info->base.name;
00398 }
00399
00400 GSList*
00401 method_info_get_args (MethodInfo *info)
00402 {
00403 <font class="keywordflow">return</font> info->args;
00404 }
00405
00406 <font class="keyword">static</font> <font class="keywordtype">int</font>
00407 args_sort_by_direction (<font class="keyword">const</font> <font class="keywordtype">void</font> *a,
00408 <font class="keyword">const</font> <font class="keywordtype">void</font> *b)
00409 {
00410 <font class="keyword">const</font> ArgInfo *arg_a = a;
00411 <font class="keyword">const</font> ArgInfo *arg_b = b;
00412
00413 <font class="keywordflow">if</font> (arg_a->direction == arg_b->direction)
00414 <font class="keywordflow">return</font> 0;
00415 <font class="keywordflow">else</font> <font class="keywordflow">if</font> (arg_a->direction == ARG_IN)
00416 <font class="keywordflow">return</font> -1; <font class="comment">/* in is less than out */</font>
00417 <font class="keywordflow">else</font>
00418 <font class="keywordflow">return</font> 1;
00419 }
00420
00421 <font class="keywordtype">void</font>
00422 method_info_add_arg (MethodInfo *info,
00423 ArgInfo *arg)
00424 {
00425 arg_info_ref (arg);
00426 info->args = g_slist_append (info->args, arg);
00427
00428 <font class="comment">/* Keep "in" args sorted before "out" and otherwise maintain</font>
00429 <font class="comment"> * stable order (g_slist_sort is stable, at least in sufficiently</font>
00430 <font class="comment"> * new glib)</font>
00431 <font class="comment"> */</font>
00432 info->args = g_slist_sort (info->args, args_sort_by_direction);
00433 }
00434
00435 SignalInfo*
00436 signal_info_new (<font class="keyword">const</font> <font class="keywordtype">char</font> *name)
00437 {
00438 SignalInfo *info;
00439
00440 info = g_new0 (SignalInfo, 1);
00441 info->base.refcount = 1;
00442 info->base.name = g_strdup (name);
00443 info->base.type = INFO_TYPE_SIGNAL;
00444
00445 <font class="keywordflow">return</font> info;
00446 }
00447
00448 SignalInfo *
00449 signal_info_ref (SignalInfo *info)
00450 {
00451 info->base.refcount += 1;
00452
00453 <font class="keywordflow">return</font> info;
00454 }
00455
00456 <font class="keywordtype">void</font>
00457 signal_info_unref (SignalInfo *info)
00458 {
00459 info->base.refcount -= 1;
00460 <font class="keywordflow">if</font> (info->base.refcount == 0)
00461 {
00462 free_arg_list (&info->args);
00463 base_info_free (info);
00464 }
00465 }
00466
00467 <font class="keyword">const</font> <font class="keywordtype">char</font>*
00468 signal_info_get_name (SignalInfo *info)
00469 {
00470 <font class="keywordflow">return</font> info->base.name;
00471 }
00472
00473 GSList*
00474 signal_info_get_args (SignalInfo *info)
00475 {
00476 <font class="keywordflow">return</font> info->args;
00477 }
00478
00479 <font class="keywordtype">void</font>
00480 signal_info_add_arg (SignalInfo *info,
00481 ArgInfo *arg)
00482 {
00483 g_assert (arg->direction == ARG_OUT);
00484
00485 arg_info_ref (arg);
00486 info->args = g_slist_append (info->args, arg);
00487
00488 <font class="comment">/* signal args don't need sorting since only "out" is allowed */</font>
00489 }
00490
00491 ArgInfo*
00492 arg_info_new (<font class="keyword">const</font> <font class="keywordtype">char</font> *name,
00493 ArgDirection direction,
00494 <font class="keywordtype">int</font> type)
00495 {
00496 ArgInfo *info;
00497
00498 info = g_new0 (ArgInfo, 1);
00499 info->base.refcount = 1;
00500 info->base.type = INFO_TYPE_ARG;
00501
00502 <font class="comment">/* name can be NULL */</font>
00503 info->base.name = g_strdup (name);
00504 info->direction = direction;
00505 info->type = type;
00506
00507 <font class="keywordflow">return</font> info;
00508 }
00509
00510 ArgInfo *
00511 arg_info_ref (ArgInfo *info)
00512 {
00513 info->base.refcount += 1;
00514
00515 <font class="keywordflow">return</font> info;
00516 }
00517
00518 <font class="keywordtype">void</font>
00519 arg_info_unref (ArgInfo *info)
00520 {
00521 info->base.refcount -= 1;
00522 <font class="keywordflow">if</font> (info->base.refcount == 0)
00523 {
00524 base_info_free (info);
00525 }
00526 }
00527 <font class="keyword">const</font> <font class="keywordtype">char</font>*
00528 arg_info_get_name (ArgInfo *info)
00529 {
00530 <font class="keywordflow">return</font> info->base.name;
00531 }
00532
00533 <font class="keywordtype">int</font>
00534 arg_info_get_type (ArgInfo *info)
00535 {
00536 <font class="keywordflow">return</font> info->type;
00537 }
00538
00539 ArgDirection
00540 arg_info_get_direction (ArgInfo *info)
00541 {
00542 <font class="keywordflow">return</font> info->direction;
00543 }
00544
00545 <font class="preprocessor">#ifdef DBUS_BUILD_TESTS</font>
00546 <font class="preprocessor"></font>
00552 dbus_bool_t
00553 _dbus_gidl_test (<font class="keywordtype">void</font>)
00554 {
00555
00556 <font class="keywordflow">return</font> TRUE;
00557 }
00558
00559 <font class="preprocessor">#endif </font><font class="comment">/* DBUS_BUILD_TESTS */</font>
00560
00561 <font class="preprocessor">#endif </font><font class="comment">/* DOXYGEN_SHOULD_SKIP_THIS */</font>
</pre></div><hr><address align="right"><small>Generated on Wed Jun 9 05:01:25 2004 for D-BUS by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0
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distrib
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Mandriva
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2007.0
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x86_64
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media
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main-release
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by-pkgid
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926d2d1e3111287cee1b0a4fad4fb4f6
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