/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* Evolution Conduits - Pilot Map routines * * Copyright (C) 2000 Helix Code, Inc. * * Authors: JP Rosevear * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ #include "e-pilot-map.h" #include /* memset(), strcmp() */ #include #include #include #include #include typedef struct { char *uid; gboolean archived; } EPilotMapPidNode; typedef struct { guint32 pid; gboolean archived; } EPilotMapUidNode; static void map_set_node_timet (xmlNodePtr node, const char *name, time_t t) { char *tstring; tstring = g_strdup_printf ("%ld", t); xmlSetProp (node, name, tstring); } static void map_sax_start_element (void *data, const xmlChar *name, const xmlChar **attrs) { EPilotMap *map = (EPilotMap *)data; if (!strcmp (name, "PilotMap")) { while (attrs && *attrs != NULL) { const xmlChar **val = attrs; val++; if (!strcmp (*attrs, "timestamp")) map->since = (time_t)strtoul (*val, NULL, 0); attrs = ++val; } } if (!strcmp (name, "map")) { const char *uid = NULL; guint32 pid = 0; gboolean archived = FALSE; while (attrs && *attrs != NULL) { const xmlChar **val = attrs; val++; if (!strcmp (*attrs, "uid")) uid = *val; if (!strcmp (*attrs, "pilot_id")) pid = strtoul (*val, NULL, 0); if (!strcmp (*attrs, "archived")) archived = strtoul (*val, NULL, 0)== 1 ? TRUE : FALSE; attrs = ++val; } if (uid && pid != 0) e_pilot_map_insert (map, pid, uid, archived); } } static void map_write_foreach (gpointer key, gpointer value, gpointer data) { xmlNodePtr root = data; xmlNodePtr mnode; unsigned long *pid = key; EPilotMapPidNode *pnode = value; char *pidstr; mnode = xmlNewChild (root, NULL, "map", NULL); pidstr = g_strdup_printf ("%lu", *pid); xmlSetProp (mnode, "pilot_id", pidstr); g_free (pidstr); xmlSetProp (mnode, "uid", pnode->uid); if (pnode->archived) xmlSetProp (mnode, "archived", "1"); else xmlSetProp (mnode, "archived", "0"); } gboolean e_pilot_map_pid_is_archived (EPilotMap *map, guint32 pid) { EPilotMapPidNode *pnode; pnode = g_hash_table_lookup (map->pid_map, &pid); if (pnode == NULL) return FALSE; return pnode->archived; } gboolean e_pilot_map_uid_is_archived (EPilotMap *map, const char *uid) { EPilotMapUidNode *unode; unode = g_hash_table_lookup (map->uid_map, uid); if (unode == NULL) return FALSE; return unode->archived; } void e_pilot_map_insert (EPilotMap *map, guint32 pid, const char *uid, gboolean archived) { char *new_uid; guint32 *new_pid = g_new (guint32, 1); EPilotMapPidNode *pnode = g_new0 (EPilotMapPidNode, 1); EPilotMapUidNode *unode = g_new0 (EPilotMapUidNode, 1); *new_pid = pid; new_uid = g_strdup (uid); pnode->uid = new_uid; pnode->archived = archived; unode->pid = pid; unode->archived = archived; g_hash_table_insert (map->pid_map, new_pid, pnode); g_hash_table_insert (map->uid_map, new_uid, unode); } void e_pilot_map_remove_by_pid (EPilotMap *map, guint32 pid) { EPilotMapPidNode *pnode; EPilotMapUidNode *unode; pnode = g_hash_table_lookup (map->pid_map, &pid); if (!pnode) return; unode = g_hash_table_lookup (map->uid_map, pnode->uid); g_hash_table_remove (map->pid_map, &pid); g_hash_table_remove (map->uid_map, pnode->uid); g_free (pnode); g_free (unode); } void e_pilot_map_remove_by_uid (EPilotMap *map, const char *uid) { EPilotMapPidNode *pnode; EPilotMapUidNode *unode; unode = g_hash_table_lookup (map->uid_map, uid); if (!unode) return; pnode = g_hash_table_lookup (map->pid_map, &unode->pid); g_hash_table_remove (map->uid_map, uid); g_hash_table_remove (map->pid_map, &unode->pid); g_free (unode); g_free (pnode); } guint32 e_pilot_map_lookup_pid (EPilotMap *map, const char *uid) { EPilotMapUidNode *unode = NULL; unode = g_hash_table_lookup (map->uid_map, uid); if (unode == NULL) return 0; return unode->pid; } const char * e_pilot_map_lookup_uid (EPilotMap *map, guint32 pid) { EPilotMapPidNode *pnode = NULL; pnode = g_hash_table_lookup (map->pid_map, &pid); if (pnode == NULL) return NULL; return pnode->uid; } int e_pilot_map_read (const char *filename, EPilotMap **map) { xmlSAXHandler handler; EPilotMap *new_map = g_new0 (EPilotMap, 1); *map = NULL; memset (&handler, 0, sizeof (xmlSAXHandler)); handler.startElement = map_sax_start_element; new_map->pid_map = g_hash_table_new (g_int_hash, g_int_equal); new_map->uid_map = g_hash_table_new (g_str_hash, g_str_equal); if (g_file_exists (filename)) { if (xmlSAXUserParseFile (&handler, new_map, filename) < 0) { g_free (new_map); return -1; } } *map = new_map; return 0; } int e_pilot_map_write (const char *filename, EPilotMap *map) { xmlDocPtr doc; int ret; g_return_val_if_fail (map != NULL, -1); doc = xmlNewDoc ("1.0"); if (doc == NULL) { g_warning ("Pilot map file could not be created\n"); return -1; } doc->root = xmlNewDocNode(doc, NULL, "PilotMap", NULL); map->since = time (NULL); map_set_node_timet (doc->root, "timestamp", map->since); g_hash_table_foreach (map->pid_map, map_write_foreach, doc->root); /* Write the file */ xmlSetDocCompressMode (doc, 0); ret = xmlSaveFile (filename, doc); if (ret < 0) { g_warning ("Pilot map file '%s' could not be saved\n", filename); return -1; } xmlFreeDoc (doc); return 0; } void e_pilot_map_destroy (EPilotMap *map) { g_hash_table_destroy (map->pid_map); g_hash_table_destroy (map->uid_map); g_free (map); }