1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/branches/gmyth-0.1b/src/gmyth_stringlist.c Tue Feb 06 00:33:35 2007 +0000
1.3 @@ -0,0 +1,390 @@
1.4 +/**
1.5 + * GMyth Library
1.6 + *
1.7 + * @file gmyth/gmyth_stringlist.c
1.8 + *
1.9 + * @brief <p> This component contains functions for dealing with the stringlist
1.10 + * format of the mythprotocol.
1.11 + *
1.12 + * Copyright (C) 2006 INdT - Instituto Nokia de Tecnologia.
1.13 + * @author Hallyson Luiz de Morais Melo <hallyson.melo@indt.org.br>
1.14 + *
1.15 + *//*
1.16 + *
1.17 + * This program is free software; you can redistribute it and/or modify
1.18 + * it under the terms of the GNU Lesser General Public License as published by
1.19 + * the Free Software Foundation; either version 2 of the License, or
1.20 + * (at your option) any later version.
1.21 + *
1.22 + * This program is distributed in the hope that it will be useful,
1.23 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.24 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.25 + * GNU General Public License for more details.
1.26 + *
1.27 + * You should have received a copy of the GNU Lesser General Public License
1.28 + * along with this program; if not, write to the Free Software
1.29 + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1.30 + */
1.31 +
1.32 +#ifdef HAVE_CONFIG_H
1.33 +#include "config.h"
1.34 +#endif
1.35 +
1.36 +#include "gmyth_stringlist.h"
1.37 +
1.38 +#include "gmyth_debug.h"
1.39 +
1.40 +static void gmyth_string_list_class_init (GMythStringListClass *klass);
1.41 +static void gmyth_string_list_init (GMythStringList *object);
1.42 +
1.43 +static void gmyth_string_list_dispose (GObject *object);
1.44 +static void gmyth_string_list_finalize (GObject *object);
1.45 +
1.46 +G_DEFINE_TYPE(GMythStringList, gmyth_string_list, G_TYPE_OBJECT)
1.47 +
1.48 +static void
1.49 +gmyth_string_list_class_init (GMythStringListClass *klass)
1.50 +{
1.51 + GObjectClass *gobject_class;
1.52 +
1.53 + gobject_class = (GObjectClass *) klass;
1.54 +
1.55 + gobject_class->dispose = gmyth_string_list_dispose;
1.56 + gobject_class->finalize = gmyth_string_list_finalize;
1.57 +}
1.58 +
1.59 +static void
1.60 +gmyth_string_list_init (GMythStringList *gmyth_string_list)
1.61 +{
1.62 + gmyth_string_list->glist = NULL;
1.63 +}
1.64 +
1.65 +static void
1.66 +gmyth_string_list_dispose (GObject *object)
1.67 +{
1.68 + GMythStringList *gmyth_string_list = GMYTH_STRING_LIST(object);
1.69 +
1.70 + if (gmyth_string_list->glist)
1.71 + gmyth_string_list_clear_all(gmyth_string_list);
1.72 +
1.73 + G_OBJECT_CLASS (gmyth_string_list_parent_class)->dispose (object);
1.74 +}
1.75 +
1.76 +static void
1.77 +gmyth_string_list_finalize (GObject *object)
1.78 +{
1.79 + //GMythStringList *gmyth_string_list = GMYTH_STRING_LIST(object);
1.80 +
1.81 + g_signal_handlers_destroy (object);
1.82 +
1.83 + G_OBJECT_CLASS (gmyth_string_list_parent_class)->finalize (object);
1.84 +}
1.85 +
1.86 +/** Creates a new instance of GStringList.
1.87 + *
1.88 + * @return a new instance of GStringList.
1.89 + */
1.90 +GMythStringList *
1.91 +gmyth_string_list_new ()
1.92 +{
1.93 + GMythStringList *gmyth_string_list = GMYTH_STRING_LIST (g_object_new (GMYTH_STRING_LIST_TYPE, NULL));
1.94 + return gmyth_string_list;
1.95 +}
1.96 +
1.97 +/** Appends a guint64 to the string list.
1.98 + *
1.99 + * @param strlist The GMythStringList instance.
1.100 + * @param value The guint64 to be appended.
1.101 + *
1.102 + * @return The appended guint64 converted to a GString object.
1.103 + */
1.104 +GString*
1.105 +gmyth_string_list_append_int ( GMythStringList *strlist, const gint value )
1.106 +{
1.107 + GString *tmp_str = g_string_new ("");
1.108 +
1.109 + g_string_printf (tmp_str, "%d", value);
1.110 +
1.111 + gmyth_string_list_append_string (strlist, tmp_str);
1.112 +
1.113 + return tmp_str;
1.114 +}
1.115 +
1.116 +/** Appends a guint64 to the string list.
1.117 + *
1.118 + * @param strlist The GMythStringList instance.
1.119 + * @param value The guint64 to be appended.
1.120 + *
1.121 + * @return The appended guint64 converted to a GString object.
1.122 + */
1.123 +GString*
1.124 +gmyth_string_list_append_uint64 ( GMythStringList *strlist, const guint64 value)
1.125 +{
1.126 + GString *tmp_str1 = g_string_new ("");
1.127 + GString *tmp_str2 = g_string_new ("");
1.128 + gmyth_debug ( "value = %llu.\n", value);
1.129 +
1.130 + gulong l2 = ( (guint64)value & 0xffffffff );
1.131 + gulong l1 = ( (guint64)value >> 32 );
1.132 +
1.133 + /* high order part of guint64 value */
1.134 + g_string_printf (tmp_str1, "%lu", l1);
1.135 +
1.136 + gmyth_debug( "[%s] uint64 (high) = %s\n", __FUNCTION__, tmp_str1->str );
1.137 +
1.138 + //gmyth_string_list_append_string (strlist, tmp_str1);
1.139 + strlist->glist = g_list_append( strlist->glist, tmp_str1 );
1.140 +
1.141 + /* low order part of guint64 value */
1.142 + g_string_printf (tmp_str2, "%lu", l2);
1.143 +
1.144 + gmyth_debug( "[%s] uint64 (low) = %s\n", __FUNCTION__, tmp_str2->str );
1.145 +
1.146 + strlist->glist = g_list_append( strlist->glist, tmp_str2 );
1.147 +
1.148 + //gmyth_string_list_append_string (strlist, tmp_str2);
1.149 +
1.150 + return tmp_str2;
1.151 +}
1.152 +
1.153 +/** Appends a gint64 to the string list.
1.154 + *
1.155 + * @param strlist The GMythStringList instance.
1.156 + * @param value The gint64 to be appended.
1.157 + *
1.158 + * @return The appended gint64 converted to a GString object.
1.159 + */
1.160 +GString*
1.161 +gmyth_string_list_append_int64 ( GMythStringList *strlist, const gint64 value)
1.162 +{
1.163 + GString *tmp_str1 = g_string_new ("");
1.164 + GString *tmp_str2 = g_string_new ("");
1.165 + gmyth_debug ( "value = %lld.\n", value );
1.166 +
1.167 + glong l2 = ( (gint64)value & 0xffffffff );
1.168 + glong l1 = ( (gint64)value >> 32 );
1.169 +
1.170 + /* high order part of gint64 value */
1.171 + g_string_printf (tmp_str1, "%ld", l1);
1.172 +
1.173 + gmyth_debug( "[%s] int64 (high) = %s\n", __FUNCTION__, tmp_str1->str );
1.174 +
1.175 + //gmyth_string_list_append_string (strlist, tmp_str1);
1.176 + strlist->glist = g_list_append( strlist->glist, tmp_str1 );
1.177 +
1.178 + /* low order part of gint64 value */
1.179 + g_string_printf (tmp_str2, "%ld", l2);
1.180 +
1.181 + gmyth_debug( "[%s] int64 (low) = %s\n", __FUNCTION__, tmp_str2->str );
1.182 +
1.183 + strlist->glist = g_list_append( strlist->glist, tmp_str2 );
1.184 +
1.185 + return tmp_str2;
1.186 +}
1.187 +
1.188 +/** Appends a char array to the string list.
1.189 + *
1.190 + * @param strlist The GMythStringList instance.
1.191 + * @param value The char array to be appended.
1.192 + *
1.193 + * @return The appended char array converted to a GString object.
1.194 + */
1.195 +GString*
1.196 +gmyth_string_list_append_char_array ( GMythStringList *strlist, const gchar* value )
1.197 +{
1.198 + GString *tmp_str = NULL;
1.199 +
1.200 + g_return_val_if_fail( strlist != NULL, NULL );
1.201 +
1.202 + tmp_str = g_string_new (value);
1.203 +
1.204 + g_return_val_if_fail( tmp_str != NULL, NULL );
1.205 +
1.206 + gmyth_string_list_append_string (strlist, tmp_str);
1.207 +
1.208 + return tmp_str;
1.209 +}
1.210 +
1.211 +/** Appends a string to the string list.
1.212 + *
1.213 + * @param strlist The GMythStringList instance.
1.214 + * @param value The string to be appended.
1.215 + *
1.216 + * @return The appended string itself.
1.217 + */
1.218 +GString*
1.219 +gmyth_string_list_append_string ( GMythStringList *strlist, GString *value )
1.220 +{
1.221 + g_return_val_if_fail( strlist != NULL, NULL );
1.222 +
1.223 + strlist->glist = g_list_append (strlist->glist, value);
1.224 +
1.225 + return value;
1.226 +}
1.227 +
1.228 +/** Gets an integer value from the string list at the given position.
1.229 + *
1.230 + * @param strlist The GMythStringList instance.
1.231 + * @param index the integer position in the list, starting with zero.
1.232 + * @return The integer value.
1.233 + */
1.234 +gint
1.235 +gmyth_string_list_get_int ( GMythStringList *strlist, const gint index )
1.236 +{
1.237 + //TODO: Create static method check_index()
1.238 + GString *tmp_str = NULL;
1.239 +
1.240 + g_return_val_if_fail( strlist != NULL, 0 );
1.241 +
1.242 + tmp_str = (GString *) g_list_nth_data (strlist->glist, index);
1.243 +
1.244 + g_return_val_if_fail( tmp_str != NULL && tmp_str->str != NULL, 0 );
1.245 +
1.246 + return (gint) ( /* 0x00000000ffffffffL & (gint64)*/g_ascii_strtoull ( tmp_str->str, NULL, 10 ) );
1.247 +}
1.248 +
1.249 +/** Gets a guint64 value from the string list at the given position.
1.250 + * According to the Mythtv protocol, the 64 bits value is formed by
1.251 + * two strings.
1.252 + *
1.253 + * @param strlist The GMythStringList instance.
1.254 + * @param index the index of the first string forming the 64 bits value.
1.255 + * Index starts with zero.
1.256 + * @return The guint64 value.
1.257 + */
1.258 +guint64
1.259 +gmyth_string_list_get_uint64 ( GMythStringList *strlist, const gint index )
1.260 +{
1.261 + //TODO: Create static method check_index()
1.262 + guint64 ret_value = 0;
1.263 + guint64 l2 = 0;
1.264 +
1.265 + g_return_val_if_fail( strlist != NULL, 0 );
1.266 +
1.267 + const GString *tmp_str1 = (GString *) g_list_nth_data (strlist->glist, index);
1.268 + const GString *tmp_str2 = (GString *) g_list_nth_data (strlist->glist, index+1);
1.269 +
1.270 + if ( tmp_str1 != NULL )
1.271 + gmyth_debug ( "[%s] seek high bytes = %s\n", __FUNCTION__, tmp_str1->str );
1.272 + if ( tmp_str2 == NULL || strlen( tmp_str2->str ) > 0 ) {
1.273 + } else {
1.274 + gmyth_debug ( "[%s] seek low bytes = %s\n", __FUNCTION__, tmp_str2->str );
1.275 + }
1.276 +
1.277 + guint64 l1 = ( (guint64)g_ascii_strtoull (tmp_str1->str, NULL, 10) /*& 0xffffffff*/ );
1.278 + if ( tmp_str2 != NULL && tmp_str2->str != NULL && strlen(tmp_str2->str) > 0 ) {
1.279 + l2 = ( (guint64)g_ascii_strtoull (tmp_str2->str, NULL, 10) /*& 0xffffffff*/ );
1.280 + } else {
1.281 + l2 = l1;
1.282 + l1 = 0;
1.283 + }
1.284 +
1.285 + gmyth_debug ( "[%s]\t[l1 == %llu, l2 == %llu]\n", __FUNCTION__, l1, l2 );
1.286 +
1.287 + ret_value = ((guint64)(l2) /*& 0xffffffff*/) | ((guint64)l1 << 32);
1.288 +
1.289 + gmyth_debug( "[%s] returning uint64 value = %llu\n", __FUNCTION__, ret_value );
1.290 +
1.291 + return ret_value;
1.292 +}
1.293 +
1.294 +/** Gets a gint64 value from the string list at the given position.
1.295 + * According to the Mythtv protocol, the 64 bits value is formed by
1.296 + * two strings.
1.297 + *
1.298 + * @param strlist The GMythStringList instance.
1.299 + * @param index the index of the first string forming the 64 bits value.
1.300 + * Index starts with zero.
1.301 + * @return The gint64 value.
1.302 + */
1.303 +gint64
1.304 +gmyth_string_list_get_int64 ( GMythStringList *strlist, const gint index )
1.305 +{
1.306 + //TODO: Create static method check_index()
1.307 + gint64 ret_value = 0;
1.308 + gint64 l2 = 0;
1.309 +
1.310 + g_return_val_if_fail( strlist != NULL, 0 );
1.311 +
1.312 + const GString *tmp_str1 = (GString *) g_list_nth_data (strlist->glist, index);
1.313 + const GString *tmp_str2 = (GString *) g_list_nth_data (strlist->glist, index+1);
1.314 +
1.315 + if ( tmp_str1 != NULL )
1.316 + gmyth_debug ( "[%s] seek high bytes = %s\n", __FUNCTION__, tmp_str1->str );
1.317 + if ( tmp_str2 == NULL || strlen( tmp_str2->str ) > 0 ) {
1.318 + } else {
1.319 + gmyth_debug ( "[%s] seek low bytes = %s\n", __FUNCTION__, tmp_str2->str );
1.320 + }
1.321 +
1.322 + gint64 l1 = ( (guint64)g_ascii_strtoull (tmp_str1->str, NULL, 10) /*& 0xffffffff*/ );
1.323 + if ( tmp_str2 != NULL && tmp_str2->str != NULL && strlen(tmp_str2->str) > 0 ) {
1.324 + l2 = ( (gint64)g_ascii_strtoull (tmp_str2->str, NULL, 10) /*& 0xffffffff*/ );
1.325 + } else {
1.326 + l2 = l1;
1.327 + l1 = 0;
1.328 + }
1.329 +
1.330 + gmyth_debug ( "[%s]\t[l1 == %lld, l2 == %lld]\n", __FUNCTION__, l1, l2 );
1.331 +
1.332 + ret_value = ((gint64)(l2) /*& 0xffffffff*/) | ((gint64)l1 << 32);
1.333 +
1.334 + gmyth_debug( "[%s] returning int64 value = %lld\n", __FUNCTION__, ret_value );
1.335 +
1.336 + return ret_value;
1.337 +}
1.338 +
1.339 +
1.340 +/** Gets a string from the string list at the given position.
1.341 + *
1.342 + * @param strlist The GMythStringList instance.
1.343 + * @param index the string position in the list, starting with zero.
1.344 + * @return A pointer to the string data.
1.345 + */
1.346 +GString*
1.347 +gmyth_string_list_get_string ( GMythStringList *strlist, const gint index )
1.348 +{
1.349 + if (!strlist || !(strlist->glist)) {
1.350 + g_warning ("%s received Null arguments", __FUNCTION__);
1.351 + return NULL;
1.352 + }
1.353 +
1.354 + return (GString *) g_list_nth_data (strlist->glist, index);
1.355 +}
1.356 +
1.357 +
1.358 +#if 0
1.359 +static void
1.360 +gmyth_string_list_clear_element( GString *str_elem, void *data_aux )
1.361 +{
1.362 + if ( str_elem != NULL ) {
1.363 + g_string_free( str_elem, TRUE );
1.364 + }
1.365 +}
1.366 +#endif
1.367 +
1.368 +/** Removes all strings from the string list.
1.369 + *
1.370 + * @param strlist The GMythStringList instance.
1.371 + */
1.372 +void
1.373 +gmyth_string_list_clear_all ( GMythStringList *strlist )
1.374 +{
1.375 + if ( strlist != NULL && strlist->glist ) {
1.376 + //g_list_foreach( strlist->glist, (GFunc)gmyth_string_list_clear_element, NULL );
1.377 + g_list_free (strlist->glist);
1.378 + strlist->glist = NULL;
1.379 + }
1.380 +}
1.381 +
1.382 +/** Retrieves the number of elements in the string list.
1.383 + *
1.384 + * @param strlist The GMythStringList instance.
1.385 + * @return the string list length.
1.386 + */
1.387 +gint
1.388 +gmyth_string_list_length ( GMythStringList *strlist )
1.389 +{
1.390 + g_return_val_if_fail( strlist != NULL && strlist->glist != NULL, 0 );
1.391 +
1.392 + return g_list_length (strlist->glist);
1.393 +}