/** * @file object.c MSNObject API * * purple * * Purple is the legal property of its developers, whose names are too numerous * to list here. Please refer to the COPYRIGHT file distributed with this * source distribution. * * 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 "object.h" #include "debug.h" #define GET_STRING_TAG(field, id) \ if ((tag = strstr(str, id "=\"")) != NULL) \ { \ tag += strlen(id "=\""); \ c = strchr(tag, '"'); \ if (c != NULL) \ { \ if (obj->field != NULL) \ g_free(obj->field); \ obj->field = g_strndup(tag, c - tag); \ } \ } #define GET_INT_TAG(field, id) \ if ((tag = strstr(str, id "=\"")) != NULL) \ { \ char buf[16]; \ size_t offset; \ tag += strlen(id "=\""); \ c = strchr(tag, '"'); \ if (c != NULL) \ { \ memset(buf, 0, sizeof(buf)); \ offset = c - tag; \ if (offset >= sizeof(buf)) \ offset = sizeof(buf) - 1; \ strncpy(buf, tag, offset); \ obj->field = atoi(buf); \ } \ } static GList *local_objs; MsnObject * msn_object_new(void) { MsnObject *obj; obj = g_new0(MsnObject, 1); msn_object_set_type(obj, MSN_OBJECT_UNKNOWN); msn_object_set_friendly(obj, "AAA="); return obj; } MsnObject * msn_object_new_from_string(const char *str) { MsnObject *obj; char *tag, *c; g_return_val_if_fail(str != NULL, NULL); if (strncmp(str, " return NULL; obj = msn_object_new(); GET_STRING_TAG(creator, "Creator"); GET_INT_TAG(size, "Size"); GET_INT_TAG(type, "Type"); GET_STRING_TAG(location, "Location"); GET_STRING_TAG(friendly, "Friendly"); GET_STRING_TAG(sha1d, "SHA1D"); GET_STRING_TAG(sha1c, "SHA1C"); /* If we are missing any of the required elements then discard the object */ /* SHA1C is not always sent anymore */ if (obj->creator == NULL || obj->size == 0 || obj->type == 0 || obj->location == NULL || obj->friendly == NULL || obj->sha1d == NULL /*|| obj->sha1c == NULL*/) { purple_debug_error("msn", "Discarding invalid msnobj: '%s'\n", str); msn_object_destroy(obj); obj = NULL; } return obj; } void msn_object_destroy(MsnObject *obj) { g_return_if_fail(obj != NULL); g_free(obj->creator); g_free(obj->location); g_free(obj->friendly); g_free(obj->sha1d); g_free(obj->sha1c); purple_imgstore_unref(obj->img); if (obj->local) local_objs = g_list_remove(local_objs, obj); g_free(obj); } char * msn_object_to_string(const MsnObject *obj) { char *str; const char *sha1c; g_return_val_if_fail(obj != NULL, NULL); sha1c = msn_object_get_sha1c(obj); str = g_strdup_printf(" "Location=\"%s\" Friendly=\"%s\" SHA1D=\"%s\"" "%s%s%s/>", msn_object_get_creator(obj), msn_object_get_size(obj), msn_object_get_type(obj), msn_object_get_location(obj), msn_object_get_friendly(obj), msn_object_get_sha1d(obj), sha1c ? " SHA1C=\"" : "", sha1c ? sha1c : "", sha1c ? "\"" : ""); return str; } void msn_object_set_creator(MsnObject *obj, const char *creator) { g_return_if_fail(obj != NULL); if (obj->creator != NULL) g_free(obj->creator); obj->creator = (creator == NULL ? NULL : g_strdup(creator)); } void msn_object_set_size(MsnObject *obj, int size) { g_return_if_fail(obj != NULL); obj->size = size; } void msn_object_set_type(MsnObject *obj, MsnObjectType type) { g_return_if_fail(obj != NULL); obj->type = type; } void msn_object_set_location(MsnObject *obj, const char *location) { g_return_if_fail(obj != NULL); if (obj->location != NULL) g_free(obj->location); obj->location = (location == NULL ? NULL : g_strdup(location)); } void msn_object_set_friendly(MsnObject *obj, const char *friendly) { g_return_if_fail(obj != NULL); if (obj->friendly != NULL) g_free(obj->friendly); obj->friendly = (friendly == NULL ? NULL : g_strdup(friendly)); } void msn_object_set_sha1d(MsnObject *obj, const char *sha1d) { g_return_if_fail(obj != NULL); if (obj->sha1d != NULL) g_free(obj->sha1d); obj->sha1d = (sha1d == NULL ? NULL : g_strdup(sha1d)); } void msn_object_set_sha1c(MsnObject *obj, const char *sha1c) { g_return_if_fail(obj != NULL); if (obj->sha1c != NULL) g_free(obj->sha1c); obj->sha1c = (sha1c == NULL ? NULL : g_strdup(sha1c)); } const char * msn_object_get_creator(const MsnObject *obj) { g_return_val_if_fail(obj != NULL, NULL); return obj->creator; } int msn_object_get_size(const MsnObject *obj) { g_return_val_if_fail(obj != NULL, 0); return obj->size; } MsnObjectType msn_object_get_type(const MsnObject *obj) { g_return_val_if_fail(obj != NULL, MSN_OBJECT_UNKNOWN); return obj->type; } const char * msn_object_get_location(const MsnObject *obj) { g_return_val_if_fail(obj != NULL, NULL); return obj->location; } const char * msn_object_get_friendly(const MsnObject *obj) { g_return_val_if_fail(obj != NULL, NULL); return obj->friendly; } const char * msn_object_get_sha1d(const MsnObject *obj) { g_return_val_if_fail(obj != NULL, NULL); return obj->sha1d; } const char * msn_object_get_sha1c(const MsnObject *obj) { g_return_val_if_fail(obj != NULL, NULL); return obj->sha1c; } const char * msn_object_get_sha1(const MsnObject *obj) { g_return_val_if_fail(obj != NULL, NULL); if(obj->sha1c != NULL) { return obj->sha1c; } else { return obj->sha1d; } } static MsnObject * msn_object_find_local(const char *sha1) { GList *l; g_return_val_if_fail(sha1 != NULL, NULL); for (l = local_objs; l != NULL; l = l->next) { MsnObject *local_obj = l->data; if (!strcmp(msn_object_get_sha1(local_obj), sha1)) return local_obj; } return NULL; } void msn_object_set_local(MsnObject *obj) { g_return_if_fail(obj != NULL); obj->local = TRUE; local_objs = g_list_append(local_objs, obj); } void msn_object_set_image(MsnObject *obj, PurpleStoredImage *img) { g_return_if_fail(obj != NULL); g_return_if_fail(img != NULL); /* obj->local = TRUE; */ purple_imgstore_unref(obj->img); obj->img = purple_imgstore_ref(img); } PurpleStoredImage * msn_object_get_image(const MsnObject *obj) { MsnObject *local_obj; g_return_val_if_fail(obj != NULL, NULL); local_obj = msn_object_find_local(msn_object_get_sha1(obj)); if (local_obj != NULL) return local_obj->img; return NULL; }
