From 467a428552be04aa70c9c9ed860e226f400834ef Mon Sep 17 00:00:00 2001 From: Chris Toshok Date: Mon, 10 Apr 2000 22:09:27 +0000 Subject: change the empty search string ("") to the valid (contains "full_name" * addressbook/gui/minicard/e-minicard-view.c (get_view): change the empty search string ("") to the valid (contains "full_name" ""). * wombat/Makefile.am (wombat_LDADD): reorder so libeutil.la comes after libpas (since it uses the sexp stuff now.) * addressbook/backend/pas/Makefile.am (INCLUDES): add -I$(top_srcdir)/addressbook/backend/ebook * addressbook/backend/pas/pas-backend-file.c (view_destroy): free the search context and unref the sexp. (string_to_dbt): save the zero byte of strings, so we don't have to g_strndup everywhere. (func_contains): new function, implementing the (contains) search function. (vcard_matches_search): generic predicate to tell whether or not a vcard entry matches the current book view. (pas_backend_file_search): rip some of this code out of get_book_view (the portion building the list of cards) and make it use the e-sexp stuff. (pas_backend_file_process_create_card): use vcard_matches_search to only notify if the card will appear in the view. (pas_backend_file_process_remove_card): use vcard_matches_search to only notify if the card will be removed from the view. (pas_backend_file_process_modify_card): use vcard_matches_search to notify if the modified card was added, removed, or changed in the view. svn path=/trunk/; revision=2382 --- addressbook/backend/pas/Makefile.am | 1 + addressbook/backend/pas/pas-backend-file.c | 287 +++++++++++++++++++++-------- 2 files changed, 210 insertions(+), 78 deletions(-) (limited to 'addressbook/backend/pas') diff --git a/addressbook/backend/pas/Makefile.am b/addressbook/backend/pas/Makefile.am index 62207b5963..dc2c4b5beb 100644 --- a/addressbook/backend/pas/Makefile.am +++ b/addressbook/backend/pas/Makefile.am @@ -24,6 +24,7 @@ INCLUDES = \ -I.. \ -I$(top_builddir) \ -I$(includedir) \ + -I$(top_srcdir)/e-util \ -I$(top_srcdir)/addressbook/backend/ebook \ $(GNOME_INCLUDEDIR) diff --git a/addressbook/backend/pas/pas-backend-file.c b/addressbook/backend/pas/pas-backend-file.c index 6981f006b0..632bfe285b 100644 --- a/addressbook/backend/pas/pas-backend-file.c +++ b/addressbook/backend/pas/pas-backend-file.c @@ -20,6 +20,7 @@ #include #include #include +#include #define PAS_BACKEND_FILE_VERSION_NAME "PAS-DB-VERSION" #define PAS_BACKEND_FILE_VERSION "0.1" @@ -27,6 +28,7 @@ static PASBackendClass *pas_backend_file_parent_class; typedef struct _PASBackendFileCursorPrivate PASBackendFileCursorPrivate; typedef struct _PASBackendFileBookView PASBackendFileBookView; +typedef struct _PASBackendFileSearchContext PASBackendFileSearchContext; struct _PASBackendFilePrivate { GList *clients; @@ -44,8 +46,14 @@ struct _PASBackendFileCursorPrivate { }; struct _PASBackendFileBookView { - PASBookView *book_view; - gchar *search; + PASBookView *book_view; + gchar *search; + ESExp *search_sexp; + PASBackendFileSearchContext *search_context; +}; + +struct _PASBackendFileSearchContext { + ECard *ecard; }; static long @@ -104,6 +112,8 @@ view_destroy(GtkObject *object, gpointer data) for (list = bf->priv->book_views; list; list = g_list_next(list)) { PASBackendFileBookView *view = list->data; if (view->book_view == PAS_BOOK_VIEW(object)) { + gtk_object_unref((GtkObject *)view->search_sexp); + g_free (view->search_context); g_free (view->search); g_free (view); bf->priv->book_views = g_list_remove_link(bf->priv->book_views, list); @@ -130,7 +140,7 @@ static void string_to_dbt(const char *str, DBT *dbt) { dbt->data = (void*)str; - dbt->size = strlen (str); + dbt->size = strlen (str) + 1; } static char * @@ -143,6 +153,134 @@ pas_backend_file_create_unique_id (char *vcard) return g_strdup_printf ("pas-id-%08lX%08X", time(NULL), c++); } +static ESExpResult * +func_contains(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data) +{ + ESExpResult *r; + PASBackendFileSearchContext *ctx = data; + int truth = FALSE; + + if (argc>1 + && argv[0]->type == ESEXP_RES_STRING) { + char *propname, *prop = NULL; + + propname = argv[0]->value.string; + + if (!strcasecmp(propname, "full_name")) + gtk_object_get(GTK_OBJECT(ctx->ecard), + "full_name", &prop, NULL); + else if (!strcasecmp(propname, "url")) + gtk_object_get(GTK_OBJECT(ctx->ecard), + "url", &prop, NULL); + else if (!strcasecmp(propname, "mailer")) + gtk_object_get(GTK_OBJECT(ctx->ecard), + "mailer", &prop, NULL); + + if (prop) { + if (argv[1]->type == ESEXP_RES_STRING + && strstr(prop, argv[1]->value.string)) { + truth = TRUE; + } + } + } + r = e_sexp_result_new(ESEXP_RES_BOOL); + r->value.bool = truth; + + return r; +} + +/* 'builtin' functions */ +static struct { + char *name; + ESExpFunc *func; + int type; /* set to 1 if a function can perform shortcut evaluation, or + doesn't execute everything, 0 otherwise */ +} symbols[] = { + { "contains", func_contains, 0 }, +}; + +static gboolean +vcard_matches_search (PASBackendFileBookView *view, char *vcard_string) +{ + ESExpResult *r; + gboolean retval; + + view->search_context->ecard = e_card_new (vcard_string); + + /* if it's not a valid vcard why is it in our db? :) */ + if (!view->search_context->ecard) + return FALSE; + + r = e_sexp_eval(view->search_sexp); + + retval = (r && r->type == ESEXP_RES_BOOL && r->value.bool); + + gtk_object_unref(GTK_OBJECT(view->search_context->ecard)); + + return retval; +} + +static void +pas_backend_file_search (PASBackendFile *bf, + PASBook *book, + PASBackendFileBookView *view) +{ + int db_error = 0; + GList *cards = NULL; + DB *db = bf->priv->file_db; + DBT id_dbt, vcard_dbt; + int i; + + view->search_sexp = e_sexp_new(); + view->search_context = g_new0(PASBackendFileSearchContext, 1); + + for(i=0;isearch_sexp, 0, symbols[i].name, + (ESExpIFunc *)symbols[i].func, view->search_context); + } else { + e_sexp_add_function(view->search_sexp, 0, symbols[i].name, + symbols[i].func, view->search_context); + } + } + + e_sexp_input_text(view->search_sexp, view->search, strlen(view->search)); + e_sexp_parse(view->search_sexp); + + db_error = db->seq(db, &id_dbt, &vcard_dbt, R_FIRST); + + while (db_error == 0) { + + /* don't include the version in the list of cards */ + if (id_dbt.size != strlen(PAS_BACKEND_FILE_VERSION_NAME + 1) + || strcmp (id_dbt.data, PAS_BACKEND_FILE_VERSION_NAME)) { + char *vcard_string = vcard_dbt.data; + + /* check if the vcard matches the search sexp */ + + if (vcard_matches_search (view, vcard_string)) { + printf ("card matches!\n"); + cards = g_list_append (cards, strdup(vcard_string)); + } + } + + db_error = db->seq(db, &id_dbt, &vcard_dbt, R_NEXT); + } + + if (db_error == -1) { + g_warning ("pas_backend_file_search: error building list\n"); + } + else { + pas_book_view_notify_add (view->book_view, cards); + } + + /* + ** It's fine to do this now since the data has been handed off. + */ + g_list_foreach (cards, (GFunc)g_free, NULL); + g_list_free (cards); +} + static void pas_backend_file_process_create_card (PASBackend *backend, PASBook *book, @@ -164,8 +302,6 @@ pas_backend_file_process_create_card (PASBackend *backend, card = e_card_new(req->vcard); e_card_set_id(card, id); vcard = e_card_get_vcard(card); - gtk_object_unref(GTK_OBJECT(card)); - card = NULL; string_to_dbt (vcard, &vcard_dbt); @@ -174,8 +310,8 @@ pas_backend_file_process_create_card (PASBackend *backend, if (0 == db_error) { for (list = bf->priv->book_views; list; list = g_list_next(list)) { PASBackendFileBookView *view = list->data; - /* if (card matches view->search) */ - pas_book_view_notify_add_1 (view->book_view, req->vcard); + if (vcard_matches_search (view, vcard)) + pas_book_view_notify_add_1 (view->book_view, req->vcard); } pas_book_respond_create ( @@ -199,6 +335,9 @@ pas_backend_file_process_create_card (PASBackend *backend, g_free (id); g_free (vcard); g_free (req->vcard); + + gtk_object_unref(GTK_OBJECT(card)); + card = NULL; } static void @@ -208,34 +347,45 @@ pas_backend_file_process_remove_card (PASBackend *backend, { PASBackendFile *bf = PAS_BACKEND_FILE (backend); DB *db = bf->priv->file_db; - DBT id_dbt; + DBT id_dbt, vcard_dbt; int db_error; GList *list; + char *vcard_string; string_to_dbt (req->id, &id_dbt); - db_error = db->del (db, &id_dbt, 0); - - if (0 == db_error) { - for (list = bf->priv->book_views; list; list = g_list_next(list)) { - PASBackendFileBookView *view = list->data; - /* if (card matches view->search) */ - pas_book_view_notify_remove (view->book_view, req->id); - } - + db_error = db->get (db, &id_dbt, &vcard_dbt, 0); + if (0 != db_error) { pas_book_respond_remove ( - book, - Evolution_BookListener_Success); - - db_error = db->sync (db, 0); - if (db_error != 0) - g_warning ("db->sync failed.\n"); + book, + Evolution_BookListener_CardNotFound); + g_free (req->id); + return; } - else { + + db_error = db->del (db, &id_dbt, 0); + if (0 != db_error) { pas_book_respond_remove ( book, Evolution_BookListener_CardNotFound); + g_free (req->id); + return; + } + + vcard_string = vcard_dbt.data; + for (list = bf->priv->book_views; list; list = g_list_next(list)) { + PASBackendFileBookView *view = list->data; + if (vcard_matches_search (view, vcard_string)) + pas_book_view_notify_remove (view->book_view, req->id); } + + pas_book_respond_remove ( + book, + Evolution_BookListener_Success); + + db_error = db->sync (db, 0); + if (db_error != 0) + g_warning ("db->sync failed.\n"); g_free (req->id); } @@ -252,11 +402,25 @@ pas_backend_file_process_modify_card (PASBackend *backend, GList *list; ECard *card; char *id; + char *old_vcard_string; + /* create a new ecard from the request data */ card = e_card_new(req->vcard); id = e_card_get_id(card); - string_to_dbt (id, &id_dbt); + string_to_dbt (id, &id_dbt); + + /* get the old ecard - the one that's presently in the db */ + db_error = db->get (db, &id_dbt, &vcard_dbt, 0); + if (0 != db_error) { + pas_book_respond_remove ( + book, + Evolution_BookListener_CardNotFound); + g_free (req->id); + return; + } + old_vcard_string = g_strdup(vcard_dbt.data); + string_to_dbt (req->vcard, &vcard_dbt); db_error = db->put (db, &id_dbt, &vcard_dbt, 0); @@ -264,13 +428,16 @@ pas_backend_file_process_modify_card (PASBackend *backend, if (0 == db_error) { for (list = bf->priv->book_views; list; list = g_list_next(list)) { PASBackendFileBookView *view = list->data; - /* if (card matches view->search) */ - pas_book_view_notify_change_1 (view->book_view, req->vcard); - /* else if (card changes to match view->search ) - pas_book_view_notify_add_1 (view->book_view, req->vcard); - else if (card changes to not match view->search ) - pas_book_view_notify_remove (view->book_view, id); - */ + gboolean old_match, new_match; + + old_match = vcard_matches_search (view, old_vcard_string); + new_match = vcard_matches_search (view, req->vcard); + if (old_match && new_match) + pas_book_view_notify_change_1 (view->book_view, req->vcard); + else if (new_match) + pas_book_view_notify_add_1 (view->book_view, req->vcard); + else /* if (old_match) */ + pas_book_view_notify_remove (view->book_view, id); } pas_book_respond_modify ( @@ -307,12 +474,12 @@ pas_backend_file_build_all_cards_list(PASBackend *backend, while (db_error == 0) { /* don't include the version in the list of cards */ - if (id_dbt.size != strlen(PAS_BACKEND_FILE_VERSION_NAME) - || strncmp (id_dbt.data, PAS_BACKEND_FILE_VERSION_NAME, id_dbt.size)) { + if (id_dbt.size != strlen(PAS_BACKEND_FILE_VERSION_NAME + 1) + || strcmp (id_dbt.data, PAS_BACKEND_FILE_VERSION_NAME)) { cursor_data->elements = g_list_append(cursor_data->elements, - g_strndup(vcard_dbt.data, - vcard_dbt.size)); + g_strdup(vcard_dbt.data)); + } db_error = db->seq(db, &id_dbt, &vcard_dbt, R_NEXT); @@ -383,15 +550,10 @@ pas_backend_file_process_get_book_view (PASBackend *backend, PASRequest *req) { PASBackendFile *bf = PAS_BACKEND_FILE (backend); - DB *db = bf->priv->file_db; - DBT id_dbt, vcard_dbt; CORBA_Environment ev; - int db_error = 0; PASBookView *book_view; Evolution_Book corba_book; - GList *cards = NULL; PASBackendFileBookView *view; - g_return_if_fail (req->listener != NULL); @@ -414,49 +576,18 @@ pas_backend_file_process_get_book_view (PASBackend *backend, GTK_SIGNAL_FUNC(view_destroy), book); pas_book_respond_get_book_view (book, - (view != NULL + (book_view != NULL ? Evolution_BookListener_Success : Evolution_BookListener_CardNotFound /* XXX */), book_view); - /* - ** no reason to not iterate through the file now and notify - ** the listener of all the cards. - */ - - db_error = db->seq(db, &id_dbt, &vcard_dbt, R_FIRST); - - while (db_error == 0) { - - /* don't include the version in the list of cards */ - if (id_dbt.size != strlen(PAS_BACKEND_FILE_VERSION_NAME) - || strncmp (id_dbt.data, PAS_BACKEND_FILE_VERSION_NAME, id_dbt.size)) { - - cards = g_list_append(cards, - g_strndup(vcard_dbt.data, - vcard_dbt.size)); - } - - db_error = db->seq(db, &id_dbt, &vcard_dbt, R_NEXT); - } - - if (db_error == -1) { - g_warning ("pas_backend_file_process_get_book_view: error building list\n"); - } - else { - pas_book_view_notify_add (book_view, cards); - } - - /* - ** It's fine to do this now since the data has been handed off. - */ - g_list_foreach (cards, (GFunc)g_free, NULL); - g_list_free (cards); - view = g_new(PASBackendFileBookView, 1); view->book_view = book_view; view->search = g_strdup(req->search); + bf->priv->book_views = g_list_prepend(bf->priv->book_views, view); + + pas_backend_file_search (bf, book, view); } static void @@ -536,7 +667,7 @@ pas_backend_file_get_vcard (PASBook *book, const char *id) db_error = db->get (db, &id_dbt, &vcard_dbt, 0); if (db_error == 0) { /* success */ - return g_strndup (vcard_dbt.data, vcard_dbt.size); + return g_strdup (vcard_dbt.data); } else if (db_error == 1) { /* key was not in file */ @@ -595,7 +726,7 @@ pas_backend_file_maybe_upgrade_db (PASBackendFile *bf) db_error = db->get (db, &version_name_dbt, &version_dbt, 0); if (db_error == 0) { /* success */ - version = g_strndup (version_dbt.data, version_dbt.size); + version = g_strdup (version_dbt.data); } else { /* key was not in file */ -- cgit v1.2.3