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<hr><h1>dbus-address.c</h1><div class="fragment"><pre>00001 <font class="comment">/* -*- mode: C; c-file-style: "gnu" -*- */</font>
00002 <font class="comment">/* dbus-address.c Server address parser.</font>
00003 <font class="comment"> *</font>
00004 <font class="comment"> * Copyright (C) 2003 CodeFactory AB</font>
00005 <font class="comment"> *</font>
00006 <font class="comment"> * Licensed under the Academic Free License version 2.0</font>
00007 <font class="comment"> * </font>
00008 <font class="comment"> * This program is free software; you can redistribute it and/or modify</font>
00009 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00010 <font class="comment"> * the Free Software Foundation; either version 2 of the License, or</font>
00011 <font class="comment"> * (at your option) any later version.</font>
00012 <font class="comment"> *</font>
00013 <font class="comment"> * This program is distributed in the hope that it will be useful,</font>
00014 <font class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00015 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</font>
00016 <font class="comment"> * GNU General Public License for more details.</font>
00017 <font class="comment"> * </font>
00018 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00019 <font class="comment"> * along with this program; if not, write to the Free Software</font>
00020 <font class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</font>
00021 <font class="comment"> *</font>
00022 <font class="comment"> */</font>
00023
00024 <font class="preprocessor">#include <config.h></font>
00025 <font class="preprocessor">#include "dbus-address.h"</font>
00026 <font class="preprocessor">#include "dbus-internals.h"</font>
00027 <font class="preprocessor">#include "dbus-list.h"</font>
00028 <font class="preprocessor">#include "dbus-string.h"</font>
00029
<a name="l00041"></a><a class="code" href="structDBusAddressEntry.html">00041</a> <font class="keyword">struct </font><a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a>
00042 {
<a name="l00043"></a><a class="code" href="structDBusAddressEntry.html#m0">00043</a> <a class="code" href="structDBusString.html">DBusString</a> <a class="code" href="structDBusAddressEntry.html#m0">method</a>;
<a name="l00045"></a><a class="code" href="structDBusAddressEntry.html#m1">00045</a> <a class="code" href="structDBusList.html">DBusList</a> *<a class="code" href="structDBusAddressEntry.html#m1">keys</a>;
<a name="l00046"></a><a class="code" href="structDBusAddressEntry.html#m2">00046</a> <a class="code" href="structDBusList.html">DBusList</a> *<a class="code" href="structDBusAddressEntry.html#m2">values</a>;
00047 };
00048 <font class="comment">/* End of internals */</font>
00050
00051 <font class="keyword">static</font> <font class="keywordtype">void</font>
00052 dbus_address_entry_free (<a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> *entry)
00053 {
00054 <a class="code" href="structDBusList.html">DBusList</a> *link;
00055
00056 _dbus_string_free (&entry-><a class="code" href="structDBusAddressEntry.html#m0">method</a>);
00057
00058 link = _dbus_list_get_first_link (&entry-><a class="code" href="structDBusAddressEntry.html#m1">keys</a>);
00059 <font class="keywordflow">while</font> (link != NULL)
00060 {
00061 _dbus_string_free (link-><a class="code" href="structDBusList.html#m2">data</a>);
00062 dbus_free (link-><a class="code" href="structDBusList.html#m2">data</a>);
00063
00064 link = _dbus_list_get_next_link (&entry-><a class="code" href="structDBusAddressEntry.html#m1">keys</a>, link);
00065 }
00066 _dbus_list_clear (&entry-><a class="code" href="structDBusAddressEntry.html#m1">keys</a>);
00067
00068 link = _dbus_list_get_first_link (&entry-><a class="code" href="structDBusAddressEntry.html#m2">values</a>);
00069 <font class="keywordflow">while</font> (link != NULL)
00070 {
00071 _dbus_string_free (link-><a class="code" href="structDBusList.html#m2">data</a>);
00072 dbus_free (link-><a class="code" href="structDBusList.html#m2">data</a>);
00073
00074 link = _dbus_list_get_next_link (&entry-><a class="code" href="structDBusAddressEntry.html#m2">values</a>, link);
00075 }
00076 _dbus_list_clear (&entry-><a class="code" href="structDBusAddressEntry.html#m2">values</a>);
00077
00078 dbus_free (entry);
00079 }
00080
00094 <font class="keywordtype">void</font>
<a name="l00095"></a><a class="code" href="group__DBusAddress.html#a0">00095</a> dbus_address_entries_free (<a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> **entries)
00096 {
00097 <font class="keywordtype">int</font> i;
00098
00099 <font class="keywordflow">for</font> (i = 0; entries[i] != NULL; i++)
00100 dbus_address_entry_free (entries[i]);
00101 dbus_free (entries);
00102 }
00103
00104 <font class="keyword">static</font> <a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> *
00105 create_entry (<font class="keywordtype">void</font>)
00106 {
00107 <a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> *entry;
00108
00109 entry = dbus_new0 (<a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a>, 1);
00110
00111 <font class="keywordflow">if</font> (entry == NULL)
00112 <font class="keywordflow">return</font> NULL;
00113
00114 <font class="keywordflow">if</font> (!_dbus_string_init (&entry-><a class="code" href="structDBusAddressEntry.html#m0">method</a>))
00115 {
00116 dbus_free (entry);
00117 <font class="keywordflow">return</font> NULL;
00118 }
00119
00120 <font class="keywordflow">return</font> entry;
00121 }
00122
00130 <font class="keyword">const</font> <font class="keywordtype">char</font> *
<a name="l00131"></a><a class="code" href="group__DBusAddress.html#a2">00131</a> dbus_address_entry_get_method (<a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> *entry)
00132 {
00133 <font class="keywordflow">return</font> _dbus_string_get_const_data (&entry-><a class="code" href="structDBusAddressEntry.html#m0">method</a>);
00134 }
00135
00143 <font class="keyword">const</font> <font class="keywordtype">char</font> *
<a name="l00144"></a><a class="code" href="group__DBusAddress.html#a3">00144</a> dbus_address_entry_get_value (<a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> *entry,
00145 <font class="keyword">const</font> <font class="keywordtype">char</font> *key)
00146 {
00147 <a class="code" href="structDBusList.html">DBusList</a> *values, *keys;
00148
00149 keys = _dbus_list_get_first_link (&entry-><a class="code" href="structDBusAddressEntry.html#m1">keys</a>);
00150 values = _dbus_list_get_first_link (&entry-><a class="code" href="structDBusAddressEntry.html#m2">values</a>);
00151
00152 <font class="keywordflow">while</font> (keys != NULL)
00153 {
00154 _dbus_assert (values != NULL);
00155
00156 <font class="keywordflow">if</font> (_dbus_string_equal_c_str (keys-><a class="code" href="structDBusList.html#m2">data</a>, key))
00157 <font class="keywordflow">return</font> _dbus_string_get_const_data (values-><a class="code" href="structDBusList.html#m2">data</a>);
00158
00159 keys = _dbus_list_get_next_link (&entry-><a class="code" href="structDBusAddressEntry.html#m1">keys</a>, keys);
00160 values = _dbus_list_get_next_link (&entry-><a class="code" href="structDBusAddressEntry.html#m2">values</a>, values);
00161 }
00162
00163 <font class="keywordflow">return</font> NULL;
00164 }
00165
00182 dbus_bool_t
<a name="l00183"></a><a class="code" href="group__DBusAddress.html#a4">00183</a> dbus_parse_address (<font class="keyword">const</font> <font class="keywordtype">char</font> *address,
00184 <a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> ***entry,
00185 <font class="keywordtype">int</font> *array_len,
00186 <a class="code" href="structDBusError.html">DBusError</a> *error)
00187 {
00188 <a class="code" href="structDBusString.html">DBusString</a> str;
00189 <font class="keywordtype">int</font> pos, end_pos, len, i;
00190 <a class="code" href="structDBusList.html">DBusList</a> *entries, *link;
00191 <a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> **entry_array;
00192
00193 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00194
00195 _dbus_string_init_const (&str, address);
00196
00197 entries = NULL;
00198 pos = 0;
00199 len = _dbus_string_get_length (&str);
00200
00201 <font class="keywordflow">while</font> (pos < len)
00202 {
00203 <a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> *entry;
00204
00205 <font class="keywordtype">int</font> found_pos;
00206
00207 entry = create_entry ();
00208 <font class="keywordflow">if</font> (!entry)
00209 {
00210 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00211
00212 <font class="keywordflow">goto</font> error;
00213 }
00214
00215 <font class="comment">/* Append the entry */</font>
00216 <font class="keywordflow">if</font> (!_dbus_list_append (&entries, entry))
00217 {
00218 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00219 dbus_address_entry_free (entry);
00220 <font class="keywordflow">goto</font> error;
00221 }
00222
00223 <font class="comment">/* Look for a semi-colon */</font>
00224 <font class="keywordflow">if</font> (!_dbus_string_find (&str, pos, <font class="stringliteral">";"</font>, &end_pos))
00225 end_pos = len;
00226
00227 <font class="comment">/* Look for the colon : */</font>
00228 <font class="keywordflow">if</font> (!_dbus_string_find_to (&str, pos, end_pos, <font class="stringliteral">":"</font>, &found_pos))
00229 {
00230 dbus_set_error (error, DBUS_ERROR_BAD_ADDRESS, <font class="stringliteral">"Address does not contain a colon"</font>);
00231 <font class="keywordflow">goto</font> error;
00232 }
00233
00234 <font class="keywordflow">if</font> (!_dbus_string_copy_len (&str, pos, found_pos - pos, &entry-><a class="code" href="structDBusAddressEntry.html#m0">method</a>, 0))
00235 {
00236 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00237 <font class="keywordflow">goto</font> error;
00238 }
00239
00240 pos = found_pos + 1;
00241
00242 <font class="keywordflow">while</font> (pos < end_pos)
00243 {
00244 <font class="keywordtype">int</font> comma_pos, equals_pos;
00245
00246 <font class="keywordflow">if</font> (!_dbus_string_find_to (&str, pos, end_pos, <font class="stringliteral">","</font>, &comma_pos))
00247 comma_pos = end_pos;
00248
00249 <font class="keywordflow">if</font> (!_dbus_string_find_to (&str, pos, comma_pos, <font class="stringliteral">"="</font>, &equals_pos) ||
00250 equals_pos == pos || equals_pos + 1 == comma_pos)
00251 {
00252 dbus_set_error (error, DBUS_ERROR_BAD_ADDRESS,
00253 <font class="stringliteral">"'=' character not found or has no value following it"</font>);
00254 <font class="keywordflow">goto</font> error;
00255 }
00256 <font class="keywordflow">else</font>
00257 {
00258 <a class="code" href="structDBusString.html">DBusString</a> *key;
00259 <a class="code" href="structDBusString.html">DBusString</a> *value;
00260
00261 key = dbus_new0 (<a class="code" href="structDBusString.html">DBusString</a>, 1);
00262
00263 <font class="keywordflow">if</font> (!key)
00264 {
00265 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00266 <font class="keywordflow">goto</font> error;
00267 }
00268
00269 value = dbus_new0 (<a class="code" href="structDBusString.html">DBusString</a>, 1);
00270 <font class="keywordflow">if</font> (!value)
00271 {
00272 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00273 dbus_free (key);
00274 <font class="keywordflow">goto</font> error;
00275 }
00276
00277 <font class="keywordflow">if</font> (!_dbus_string_init (key))
00278 {
00279 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00280 dbus_free (key);
00281 dbus_free (value);
00282
00283 <font class="keywordflow">goto</font> error;
00284 }
00285
00286 <font class="keywordflow">if</font> (!_dbus_string_init (value))
00287 {
00288 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00289 _dbus_string_free (key);
00290
00291 dbus_free (key);
00292 dbus_free (value);
00293 <font class="keywordflow">goto</font> error;
00294 }
00295
00296 <font class="keywordflow">if</font> (!_dbus_string_copy_len (&str, pos, equals_pos - pos, key, 0))
00297 {
00298 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00299 _dbus_string_free (key);
00300 _dbus_string_free (value);
00301
00302 dbus_free (key);
00303 dbus_free (value);
00304 <font class="keywordflow">goto</font> error;
00305 }
00306
00307 <font class="keywordflow">if</font> (!_dbus_string_copy_len (&str, equals_pos + 1, comma_pos - equals_pos - 1, value, 0))
00308 {
00309 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00310 _dbus_string_free (key);
00311 _dbus_string_free (value);
00312
00313 dbus_free (key);
00314 dbus_free (value);
00315 <font class="keywordflow">goto</font> error;
00316 }
00317
00318 <font class="keywordflow">if</font> (!_dbus_list_append (&entry-><a class="code" href="structDBusAddressEntry.html#m1">keys</a>, key))
00319 {
00320 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00321 _dbus_string_free (key);
00322 _dbus_string_free (value);
00323
00324 dbus_free (key);
00325 dbus_free (value);
00326 <font class="keywordflow">goto</font> error;
00327 }
00328
00329 <font class="keywordflow">if</font> (!_dbus_list_append (&entry-><a class="code" href="structDBusAddressEntry.html#m2">values</a>, value))
00330 {
00331 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00332 _dbus_string_free (value);
00333
00334 dbus_free (value);
00335 <font class="keywordflow">goto</font> error;
00336 }
00337 }
00338
00339 pos = comma_pos + 1;
00340 }
00341
00342 pos = end_pos + 1;
00343 }
00344
00345 *array_len = _dbus_list_get_length (&entries);
00346
00347 entry_array = dbus_new (<a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> *, *array_len + 1);
00348
00349 <font class="keywordflow">if</font> (!entry_array)
00350 {
00351 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00352
00353 <font class="keywordflow">goto</font> error;
00354 }
00355
00356 entry_array [*array_len] = NULL;
00357
00358 link = _dbus_list_get_first_link (&entries);
00359 i = 0;
00360 <font class="keywordflow">while</font> (link != NULL)
00361 {
00362 entry_array[i] = link-><a class="code" href="structDBusList.html#m2">data</a>;
00363 i++;
00364 link = _dbus_list_get_next_link (&entries, link);
00365 }
00366
00367 _dbus_list_clear (&entries);
00368 *entry = entry_array;
00369
00370 <font class="keywordflow">return</font> TRUE;
00371
00372 error:
00373
00374 link = _dbus_list_get_first_link (&entries);
00375 <font class="keywordflow">while</font> (link != NULL)
00376 {
00377 dbus_address_entry_free (link-><a class="code" href="structDBusList.html#m2">data</a>);
00378 link = _dbus_list_get_next_link (&entries, link);
00379 }
00380
00381 _dbus_list_clear (&entries);
00382
00383 <font class="keywordflow">return</font> FALSE;
00384
00385 }
00386
00387 <font class="comment">/* End of public API */</font>
00389
00390 <font class="preprocessor">#ifdef DBUS_BUILD_TESTS</font>
00391 <font class="preprocessor"></font><font class="preprocessor">#include "dbus-test.h"</font>
00392
00393 dbus_bool_t
00394 _dbus_address_test (<font class="keywordtype">void</font>)
00395 {
00396 <a class="code" href="structDBusAddressEntry.html">DBusAddressEntry</a> **entries;
00397 <font class="keywordtype">int</font> len;
00398 <a class="code" href="structDBusError.html">DBusError</a> error;
00399
00400 dbus_error_init (&error);
00401
00402 <font class="keywordflow">if</font> (!dbus_parse_address (<font class="stringliteral">"unix:path=/tmp/foo;debug:name=test,sliff=sloff;"</font>,
00403 &entries, &len, &error))
00404 _dbus_assert_not_reached (<font class="stringliteral">"could not parse address"</font>);
00405 _dbus_assert (len == 2);
00406 _dbus_assert (strcmp (dbus_address_entry_get_value (entries[0], <font class="stringliteral">"path"</font>), <font class="stringliteral">"/tmp/foo"</font>) == 0);
00407 _dbus_assert (strcmp (dbus_address_entry_get_value (entries[1], <font class="stringliteral">"name"</font>), <font class="stringliteral">"test"</font>) == 0);
00408 _dbus_assert (strcmp (dbus_address_entry_get_value (entries[1], <font class="stringliteral">"sliff"</font>), <font class="stringliteral">"sloff"</font>) == 0);
00409
00410 dbus_address_entries_free (entries);
00411
00412 <font class="comment">/* Different possible errors */</font>
00413 <font class="keywordflow">if</font> (dbus_parse_address (<font class="stringliteral">"foo"</font>, &entries, &len, &error))
00414 _dbus_assert_not_reached (<font class="stringliteral">"Parsed incorrect address."</font>);
00415 <font class="keywordflow">else</font>
00416 dbus_error_free (&error);
00417
00418 <font class="keywordflow">if</font> (dbus_parse_address (<font class="stringliteral">"foo:bar"</font>, &entries, &len, &error))
00419 _dbus_assert_not_reached (<font class="stringliteral">"Parsed incorrect address."</font>);
00420 <font class="keywordflow">else</font>
00421 dbus_error_free (&error);
00422
00423 <font class="keywordflow">if</font> (dbus_parse_address (<font class="stringliteral">"foo:bar,baz"</font>, &entries, &len, &error))
00424 _dbus_assert_not_reached (<font class="stringliteral">"Parsed incorrect address."</font>);
00425 <font class="keywordflow">else</font>
00426 dbus_error_free (&error);
00427
00428 <font class="keywordflow">if</font> (dbus_parse_address (<font class="stringliteral">"foo:bar=foo,baz"</font>, &entries, &len, &error))
00429 _dbus_assert_not_reached (<font class="stringliteral">"Parsed incorrect address."</font>);
00430 <font class="keywordflow">else</font>
00431 dbus_error_free (&error);
00432
00433 <font class="keywordflow">if</font> (dbus_parse_address (<font class="stringliteral">"foo:bar=foo;baz"</font>, &entries, &len, &error))
00434 _dbus_assert_not_reached (<font class="stringliteral">"Parsed incorrect address."</font>);
00435 <font class="keywordflow">else</font>
00436 dbus_error_free (&error);
00437
00438 <font class="keywordflow">if</font> (dbus_parse_address (<font class="stringliteral">"foo:=foo"</font>, &entries, &len, &error))
00439 _dbus_assert_not_reached (<font class="stringliteral">"Parsed incorrect address."</font>);
00440 <font class="keywordflow">else</font>
00441 dbus_error_free (&error);
00442
00443 <font class="keywordflow">if</font> (dbus_parse_address (<font class="stringliteral">"foo:foo="</font>, &entries, &len, &error))
00444 _dbus_assert_not_reached (<font class="stringliteral">"Parsed incorrect address."</font>);
00445 <font class="keywordflow">else</font>
00446 dbus_error_free (&error);
00447
00448 <font class="keywordflow">if</font> (dbus_parse_address (<font class="stringliteral">"foo:foo,bar=baz"</font>, &entries, &len, &error))
00449 _dbus_assert_not_reached (<font class="stringliteral">"Parsed incorrect address."</font>);
00450 <font class="keywordflow">else</font>
00451 dbus_error_free (&error);
00452
00453 <font class="keywordflow">return</font> TRUE;
00454 }
00455
00456 <font class="preprocessor">#endif</font>
</pre></div><hr><address align="right"><small>Generated on Wed Jun 9 05:01:24 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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