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-rw-r--r--addressbook/backend/pas/pas-backend-file.c1238
1 files changed, 0 insertions, 1238 deletions
diff --git a/addressbook/backend/pas/pas-backend-file.c b/addressbook/backend/pas/pas-backend-file.c
deleted file mode 100644
index 56a0fd4652..0000000000
--- a/addressbook/backend/pas/pas-backend-file.c
+++ /dev/null
@@ -1,1238 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Author:
- * Nat Friedman (nat@helixcode.com)
- *
- * Copyright 2000, Helix Code, Inc.
- */
-
-#include "config.h"
-#include <gtk/gtksignal.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <time.h>
-#ifdef HAVE_DB_185_H
-#include <db_185.h>
-#else
-#include <db.h>
-#endif
-
-#include "pas-backend-file.h"
-#include "pas-book.h"
-#include "pas-card-cursor.h"
-#include <ebook/e-card.h>
-#include <e-util/e-sexp.h>
-
-#define PAS_BACKEND_FILE_VERSION_NAME "PAS-DB-VERSION"
-#define PAS_BACKEND_FILE_VERSION "0.1"
-
-static PASBackendClass *pas_backend_file_parent_class;
-typedef struct _PASBackendFileCursorPrivate PASBackendFileCursorPrivate;
-typedef struct _PASBackendFileBookView PASBackendFileBookView;
-typedef struct _PASBackendFileSearchContext PASBackendFileSearchContext;
-
-struct _PASBackendFilePrivate {
- GList *clients;
- gboolean loaded;
- char *uri;
- DB *file_db;
- GList *book_views;
-};
-
-struct _PASBackendFileCursorPrivate {
- PASBackend *backend;
- PASBook *book;
-
- GList *elements;
- guint32 num_elements;
-};
-
-struct _PASBackendFileBookView {
- PASBookView *book_view;
- gchar *search;
- ESExp *search_sexp;
- PASBackendFileSearchContext *search_context;
-};
-
-struct _PASBackendFileSearchContext {
- ECard *ecard;
-};
-
-static long
-get_length(PASCardCursor *cursor, gpointer data)
-{
- PASBackendFileCursorPrivate *cursor_data = (PASBackendFileCursorPrivate *) data;
-
- return cursor_data->num_elements;
-}
-
-static char *
-get_nth(PASCardCursor *cursor, long n, gpointer data)
-{
- PASBackendFileCursorPrivate *cursor_data = (PASBackendFileCursorPrivate *) data;
- GList *nth_item = g_list_nth(cursor_data->elements, n);
-
- return g_strdup((char*)nth_item->data);
-}
-
-static void
-cursor_destroy(GtkObject *object, gpointer data)
-{
- CORBA_Environment ev;
- Evolution_Book corba_book;
- PASBackendFileCursorPrivate *cursor_data = (PASBackendFileCursorPrivate *) data;
-
- corba_book = bonobo_object_corba_objref(BONOBO_OBJECT(cursor_data->book));
-
- CORBA_exception_init(&ev);
-
- Evolution_Book_unref(corba_book, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_warning("cursor_destroy: Exception unreffing "
- "corba book.\n");
- }
-
- CORBA_exception_free(&ev);
-
- g_list_foreach(cursor_data->elements, (GFunc)g_free, NULL);
- g_list_free (cursor_data->elements);
-
- g_free(cursor_data);
-}
-
-static void
-view_destroy(GtkObject *object, gpointer data)
-{
- CORBA_Environment ev;
- Evolution_Book corba_book;
- PASBook *book = (PASBook *)data;
- PASBackendFile *bf;
- GList *list;
-
- bf = PAS_BACKEND_FILE(pas_book_get_backend(book));
- 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);
- g_list_free_1(list);
- break;
- }
- }
-
- corba_book = bonobo_object_corba_objref(BONOBO_OBJECT(book));
-
- CORBA_exception_init(&ev);
-
- Evolution_Book_unref(corba_book, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_warning("view_destroy: Exception unreffing "
- "corba book.\n");
- }
-
- CORBA_exception_free(&ev);
-}
-
-static void
-string_to_dbt(const char *str, DBT *dbt)
-{
- dbt->data = (void*)str;
- dbt->size = strlen (str) + 1;
-}
-
-static char *
-pas_backend_file_create_unique_id (char *vcard)
-{
- /* use a 32 counter and the 32 bit timestamp to make an id.
- it's doubtful 2^32 id's will be created in a second, so we
- should be okay. */
- static guint c = 0;
- return g_strdup_printf ("pas-id-%08lX%08X", time(NULL), c++);
-}
-
-static gboolean
-compare_email (ECard *ecard, const char *str,
- char *(*compare)(const char*, const char*))
-{
- ECardList *prop_list;
- ECardIterator *iter;
- gboolean truth = FALSE;
-
- gtk_object_get(GTK_OBJECT(ecard),
- "email", &prop_list, NULL);
-
- iter = e_card_list_get_iterator(prop_list);
-
- while (e_card_iterator_is_valid(iter)) {
-
- if (compare((char*)e_card_iterator_get(iter), str)) {
- truth = TRUE;
- break;
- }
- else {
- e_card_iterator_next(iter);
- }
- }
-
- gtk_object_unref (GTK_OBJECT(iter));
-
- return truth;
-}
-
-static gboolean
-compare_phone (ECard *ecard, const char *str,
- char *(*compare)(const char*, const char*))
-{
- ECardList *prop_list;
- ECardIterator *iter;
- gboolean truth = FALSE;
-
- gtk_object_get(GTK_OBJECT(ecard),
- "phone", &prop_list, NULL);
-
- iter = e_card_list_get_iterator(prop_list);
-
- while (e_card_iterator_is_valid(iter)) {
- ECardPhone *phone = (ECardPhone*)e_card_iterator_get(iter);
- if (compare(phone->number, str)) {
- truth = TRUE;
- break;
- }
- else {
- e_card_iterator_next(iter);
- }
- }
-
- gtk_object_unref (GTK_OBJECT(iter));
-
- return truth;
-}
-
-static gboolean
-compare_address (ECard *ecard, const char *str,
- char *(*compare)(const char*, const char*))
-{
- g_warning("address searching not implemented\n");
- return FALSE;
-}
-
-static struct prop_info {
- const char *query_prop;
- const char *ecard_prop;
-#define PROP_TYPE_NORMAL 0x01
-#define PROP_TYPE_LIST 0x02
-#define PROP_TYPE_LISTITEM 0x03
- int prop_type;
- gboolean (*list_compare)(ECard *ecard, const char *str,
- char *(*compare)(const char*, const char*));
-
-} prop_info_table[] = {
- /* query prop, ecard prop, type, list compare function */
- { "file_as", "file_as", PROP_TYPE_NORMAL, NULL },
- { "full_name", "full_name", PROP_TYPE_NORMAL, NULL },
- { "url", "url", PROP_TYPE_NORMAL, NULL },
- { "mailer", "mailer", PROP_TYPE_NORMAL, NULL },
- { "org", "org", PROP_TYPE_NORMAL, NULL },
- { "org_unit", "org_unit", PROP_TYPE_NORMAL, NULL },
- { "office", "office", PROP_TYPE_NORMAL, NULL },
- { "title", "title", PROP_TYPE_NORMAL, NULL },
- { "role", "role", PROP_TYPE_NORMAL, NULL },
- { "manager", "manager", PROP_TYPE_NORMAL, NULL },
- { "assistant", "assistant", PROP_TYPE_NORMAL, NULL },
- { "nickname", "nickname", PROP_TYPE_NORMAL, NULL },
- { "spouse", "spouse", PROP_TYPE_NORMAL, NULL },
- { "email", "email", PROP_TYPE_LIST, compare_email },
- { "phone", "phone", PROP_TYPE_LIST, compare_phone },
- { "address", "address", PROP_TYPE_LIST, compare_address },
- { "note", "note", PROP_TYPE_NORMAL, NULL },
-};
-static int num_prop_infos = sizeof(prop_info_table) / sizeof(prop_info_table[0]);
-
-static ESExpResult *
-entry_compare(PASBackendFileSearchContext *ctx, struct _ESExp *f,
- int argc, struct _ESExpResult **argv,
- char *(*compare)(const char*, const char*))
-{
- ESExpResult *r;
- int truth = FALSE;
-
- if (argc == 2
- && argv[0]->type == ESEXP_RES_STRING
- && argv[1]->type == ESEXP_RES_STRING) {
- char *propname;
- struct prop_info *info = NULL;
- int i;
-
- propname = argv[0]->value.string;
-
- for (i = 0; i < num_prop_infos; i ++) {
- if (!strcmp (prop_info_table[i].query_prop, propname)) {
- info = &prop_info_table[i];
- break;
- }
- }
-
- if (info) {
- if (info->prop_type == PROP_TYPE_NORMAL) {
- char *prop = NULL;
- /* searches where the query's property
- maps directly to an ecard property */
-
- gtk_object_get(GTK_OBJECT(ctx->ecard),
- info->ecard_prop, &prop, NULL);
-
- if (prop && compare(prop, argv[1]->value.string)) {
- truth = TRUE;
- }
- if ((!prop) && compare("", argv[1]->value.string)) {
- truth = TRUE;
- }
- }
- else if (info->prop_type == PROP_TYPE_LIST) {
- /* the special searches that match any of the list elements */
- truth = info->list_compare (ctx->ecard, argv[1]->value.string, compare);
- }
- }
-
- }
- r = e_sexp_result_new(ESEXP_RES_BOOL);
- r->value.bool = truth;
-
- return r;
-}
-
-static ESExpResult *
-func_contains(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data)
-{
- PASBackendFileSearchContext *ctx = data;
-
- return entry_compare (ctx, f, argc, argv, strstr);
-}
-
-static char *
-is_helper (const char *s1, const char *s2)
-{
- if (!strcmp(s1, s2))
- return (char*)s1;
- else
- return NULL;
-}
-
-static ESExpResult *
-func_is(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data)
-{
- PASBackendFileSearchContext *ctx = data;
-
- return entry_compare (ctx, f, argc, argv, is_helper);
-}
-
-static char *
-endswith_helper (const char *s1, const char *s2)
-{
- char *p;
- if ((p = strstr(s1, s2))
- && (strlen(p) == strlen(s2)))
- return p;
- else
- return NULL;
-}
-
-static ESExpResult *
-func_endswith(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data)
-{
- PASBackendFileSearchContext *ctx = data;
-
- return entry_compare (ctx, f, argc, argv, endswith_helper);
-}
-
-static char *
-beginswith_helper (const char *s1, const char *s2)
-{
- char *p;
- if ((p = strstr(s1, s2))
- && (p == s1))
- return p;
- else
- return NULL;
-}
-
-static ESExpResult *
-func_beginswith(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data)
-{
- PASBackendFileSearchContext *ctx = data;
-
- return entry_compare (ctx, f, argc, argv, beginswith_helper);
-}
-
-/* '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 },
- { "is", func_is, 0 },
- { "beginswith", func_beginswith, 0 },
- { "endswith", func_endswith, 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));
-
- e_sexp_result_free(r);
-
- 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;
-
- if (!bf->priv->loaded)
- return;
-
- view->search_sexp = e_sexp_new();
- view->search_context = g_new0(PASBackendFileSearchContext, 1);
-
- for(i=0;i<sizeof(symbols)/sizeof(symbols[0]);i++) {
- if (symbols[i].type == 1) {
- e_sexp_add_ifunction(view->search_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)) {
- 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 char *
-do_create(PASBackend *backend,
- char *vcard_req,
- char **vcard_ptr)
-{
- PASBackendFile *bf = PAS_BACKEND_FILE (backend);
- DB *db = bf->priv->file_db;
- DBT id_dbt, vcard_dbt;
- int db_error;
- char *id;
- ECard *card;
- char *vcard;
- char *ret_val;
-
- id = pas_backend_file_create_unique_id (vcard_req);
-
- string_to_dbt (id, &id_dbt);
-
- card = e_card_new(vcard_req);
- e_card_set_id(card, id);
- vcard = e_card_get_vcard(card);
-
- string_to_dbt (vcard, &vcard_dbt);
-
- db_error = db->put (db, &id_dbt, &vcard_dbt, 0);
-
- if (0 == db_error) {
- db_error = db->sync (db, 0);
- if (db_error != 0)
- g_warning ("db->sync failed.\n");
- ret_val = id;
-
- }
- else {
- ret_val = NULL;
- }
-
- gtk_object_unref(GTK_OBJECT(card));
- card = NULL;
-
- if (vcard_ptr && ret_val)
- *vcard_ptr = vcard;
- else
- g_free (vcard);
-
- return ret_val;
-}
-
-static void
-pas_backend_file_process_create_card (PASBackend *backend,
- PASBook *book,
- PASRequest *req)
-{
- char *id;
- char *vcard;
- GList *list;
- PASBackendFile *bf = PAS_BACKEND_FILE (backend);
-
- id = do_create(backend, req->vcard, &vcard);
- if (id) {
- for (list = bf->priv->book_views; list; list = g_list_next(list)) {
- PASBackendFileBookView *view = list->data;
- if (vcard_matches_search (view, vcard))
- pas_book_view_notify_add_1 (view->book_view, vcard);
- }
-
- pas_book_respond_create (
- book,
- Evolution_BookListener_Success,
- id);
- g_free(vcard);
- g_free(id);
- }
- else {
- /* XXX need a different call status for this case, i
- think */
- pas_book_respond_create (
- book,
- Evolution_BookListener_CardNotFound,
- "");
- }
-
- g_free(req->vcard);
-}
-
-static void
-pas_backend_file_process_remove_card (PASBackend *backend,
- PASBook *book,
- PASRequest *req)
-{
- PASBackendFile *bf = PAS_BACKEND_FILE (backend);
- DB *db = bf->priv->file_db;
- DBT id_dbt, vcard_dbt;
- int db_error;
- GList *list;
- char *vcard_string;
-
- string_to_dbt (req->id, &id_dbt);
-
- 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;
- }
-
- 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;
- }
-
- db_error = db->sync (db, 0);
- if (db_error != 0)
- g_warning ("db->sync failed.\n");
-
-
- 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);
-
- g_free (req->id);
-}
-
-static void
-pas_backend_file_process_modify_card (PASBackend *backend,
- PASBook *book,
- PASRequest *req)
-{
- PASBackendFile *bf = PAS_BACKEND_FILE (backend);
- DB *db = bf->priv->file_db;
- DBT id_dbt, vcard_dbt;
- int db_error;
- 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);
-
- /* 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_modify (
- 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);
-
- if (0 == db_error) {
- db_error = db->sync (db, 0);
- if (db_error != 0)
- g_warning ("db->sync failed.\n");
-
- for (list = bf->priv->book_views; list; list = g_list_next(list)) {
- PASBackendFileBookView *view = list->data;
- 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 (
- book,
- Evolution_BookListener_Success);
- }
- else {
- pas_book_respond_modify (
- book,
- Evolution_BookListener_CardNotFound);
- }
-
- g_free(old_vcard_string);
-
- gtk_object_unref(GTK_OBJECT(card));
- g_free (req->vcard);
-}
-
-static void
-pas_backend_file_build_all_cards_list(PASBackend *backend,
- PASBackendFileCursorPrivate *cursor_data)
-{
- PASBackendFile *bf = PAS_BACKEND_FILE (backend);
- DB *db = bf->priv->file_db;
- int db_error;
- DBT id_dbt, vcard_dbt;
-
- cursor_data->elements = NULL;
-
- 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)) {
-
- cursor_data->elements = g_list_append(cursor_data->elements,
- g_strdup(vcard_dbt.data));
-
- }
-
- db_error = db->seq(db, &id_dbt, &vcard_dbt, R_NEXT);
-
- }
-
- if (db_error == -1) {
- g_warning ("pas_backend_file_build_all_cards_list: error building list\n");
- }
- else {
- cursor_data->num_elements = g_list_length (cursor_data->elements);
- }
-}
-
-static void
-pas_backend_file_process_get_cursor (PASBackend *backend,
- PASBook *book,
- 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;
- PASBackendFileCursorPrivate *cursor_data;
- PASCardCursor *cursor;
- Evolution_Book corba_book;
-
- cursor_data = g_new(PASBackendFileCursorPrivate, 1);
- cursor_data->backend = backend;
- cursor_data->book = book;
-
- pas_backend_file_build_all_cards_list(backend, cursor_data);
-
- corba_book = bonobo_object_corba_objref(BONOBO_OBJECT(book));
-
- CORBA_exception_init(&ev);
-
- Evolution_Book_ref(corba_book, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_warning("pas_backend_file_process_get_cursor: Exception reffing "
- "corba book.\n");
- }
-
- CORBA_exception_free(&ev);
-
- cursor = pas_card_cursor_new(get_length,
- get_nth,
- cursor_data);
-
- gtk_signal_connect(GTK_OBJECT(cursor), "destroy",
- GTK_SIGNAL_FUNC(cursor_destroy), cursor_data);
-
- pas_book_respond_get_cursor (
- book,
- (db_error == 0
- ? Evolution_BookListener_Success
- : Evolution_BookListener_CardNotFound),
- cursor);
-}
-
-static void
-pas_backend_file_process_get_book_view (PASBackend *backend,
- PASBook *book,
- PASRequest *req)
-{
- PASBackendFile *bf = PAS_BACKEND_FILE (backend);
- CORBA_Environment ev;
- PASBookView *book_view;
- Evolution_Book corba_book;
- PASBackendFileBookView *view;
-
- g_return_if_fail (req->listener != NULL);
-
- corba_book = bonobo_object_corba_objref(BONOBO_OBJECT(book));
-
- CORBA_exception_init(&ev);
-
- Evolution_Book_ref(corba_book, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_warning("pas_backend_file_process_get_book_view: Exception reffing "
- "corba book.\n");
- }
-
- CORBA_exception_free(&ev);
-
- book_view = pas_book_view_new (req->listener);
-
- gtk_signal_connect(GTK_OBJECT(book_view), "destroy",
- GTK_SIGNAL_FUNC(view_destroy), book);
-
- pas_book_respond_get_book_view (book,
- (book_view != NULL
- ? Evolution_BookListener_Success
- : Evolution_BookListener_CardNotFound /* XXX */),
- book_view);
-
- 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);
-
- g_free(req->search);
-}
-
-static void
-pas_backend_file_process_check_connection (PASBackend *backend,
- PASBook *book,
- PASRequest *req)
-{
- PASBackendFile *bf = PAS_BACKEND_FILE (backend);
-
- pas_book_report_connection (book, bf->priv->file_db != NULL);
-}
-
-static char *
-pas_backend_file_extract_path_from_uri (const char *uri)
-{
- g_assert (strncasecmp (uri, "file:", 5) == 0);
-
- return g_strdup (uri + 5);
-}
-
-static gboolean
-can_write (PASBackend *backend)
-{
- PASBackendFile *bf = PAS_BACKEND_FILE (backend);
- char *path = pas_backend_file_extract_path_from_uri (bf->priv->uri);
- gboolean retval;
-
- retval = (access (path, W_OK) != -1);
-
- g_free (path);
-
- return retval;
-}
-
-static gboolean
-pas_backend_file_can_write (PASBook *book)
-{
- PASBackend* backend = pas_book_get_backend (book);
-
- return can_write(backend);
-}
-
-static gboolean
-pas_backend_file_can_write_card (PASBook *book,
- const char *id)
-{
- PASBackend* backend = pas_book_get_backend (book);
-
- return can_write(backend);
-}
-
-static void
-pas_backend_file_process_client_requests (PASBook *book)
-{
- PASBackend *backend;
- PASRequest *req;
-
- backend = pas_book_get_backend (book);
-
- req = pas_book_pop_request (book);
- if (req == NULL)
- return;
-
- switch (req->op) {
- case CreateCard:
- pas_backend_file_process_create_card (backend, book, req);
- break;
-
- case RemoveCard:
- pas_backend_file_process_remove_card (backend, book, req);
- break;
-
- case ModifyCard:
- pas_backend_file_process_modify_card (backend, book, req);
- break;
-
- case CheckConnection:
- pas_backend_file_process_check_connection (backend, book, req);
- break;
-
- case GetCursor:
- pas_backend_file_process_get_cursor (backend, book, req);
- break;
-
- case GetBookView:
- pas_backend_file_process_get_book_view (backend, book, req);
- break;
- }
-
- g_free (req);
-}
-
-static void
-pas_backend_file_book_destroy_cb (PASBook *book, gpointer data)
-{
- PASBackendFile *backend;
-
- backend = PAS_BACKEND_FILE (data);
-
- pas_backend_remove_client (PAS_BACKEND (backend), book);
-}
-
-static char *
-pas_backend_file_get_vcard (PASBook *book, const char *id)
-{
- PASBackendFile *bf;
- DBT id_dbt, vcard_dbt;
- DB *db;
- int db_error;
-
- bf = PAS_BACKEND_FILE (pas_book_get_backend (book));
- db = bf->priv->file_db;
-
- string_to_dbt (id, &id_dbt);
-
- db_error = db->get (db, &id_dbt, &vcard_dbt, 0);
- if (db_error == 0) {
- /* success */
- return g_strdup (vcard_dbt.data);
- }
- else if (db_error == 1) {
- /* key was not in file */
- return g_strdup (""); /* XXX */
- }
- else /* if (db_error < 0)*/ {
- /* error */
- return g_strdup (""); /* XXX */
- }
-}
-
-static gboolean
-pas_backend_file_upgrade_db (PASBackendFile *bf, char *old_version)
-{
- if (!strcmp (old_version, "0.0")) {
- /* 0.0 is the same as 0.1, we just need to add the version */
- DB *db = bf->priv->file_db;
- DBT version_name_dbt, version_dbt;
- int db_error;
-
- string_to_dbt (PAS_BACKEND_FILE_VERSION_NAME, &version_name_dbt);
- string_to_dbt (PAS_BACKEND_FILE_VERSION, &version_dbt);
-
- db_error = db->put (db, &version_name_dbt, &version_dbt, 0);
- if (db_error == 0)
- return TRUE;
- else
- return FALSE;
- }
- else {
- g_warning ("unsupported version '%s' found in PAS backend file\n",
- old_version);
- return FALSE;
- }
-}
-
-static gboolean
-pas_backend_file_maybe_upgrade_db (PASBackendFile *bf)
-{
- DB *db = bf->priv->file_db;
- DBT version_name_dbt, version_dbt;
- int db_error;
- char *version;
- gboolean ret_val = TRUE;
-
- string_to_dbt (PAS_BACKEND_FILE_VERSION_NAME, &version_name_dbt);
-
- db_error = db->get (db, &version_name_dbt, &version_dbt, 0);
- if (db_error == 0) {
- /* success */
- version = g_strdup (version_dbt.data);
- }
- else {
- /* key was not in file */
- version = g_strdup ("0.0");
- }
-
- if (strcmp (version, PAS_BACKEND_FILE_VERSION))
- ret_val = pas_backend_file_upgrade_db (bf, version);
-
- g_free (version);
-
- return ret_val;
-}
-
-#define INITIAL_VCARD "BEGIN:VCARD\n\
-X-EVOLUTION-FILE-AS:Helix Code, Inc.\n\
-LABEL;WORK;QUOTED-PRINTABLE:101 Rogers St. Ste. 214=0ACambridge, MA 02142=0AUSA\n\
-TEL;WORK;VOICE:(617) 679-1984\n\
-TEL;WORK;FAX:(617) 679-1949\n\
-EMAIL;INTERNET:hello@helixcode.com\n\
-URL:http://www.helixcode.com/\n\
-ORG:Helix Code, Inc.;\n\
-NOTE:Welcome to the Helix Code Addressbook.\n\
-END:VCARD"
-
-static gboolean
-pas_backend_file_load_uri (PASBackend *backend,
- const char *uri)
-{
- PASBackendFile *bf = PAS_BACKEND_FILE (backend);
- char *filename;
-
- g_assert (bf->priv->loaded == FALSE);
-
- filename = pas_backend_file_extract_path_from_uri (uri);
-
- bf->priv->file_db = dbopen (filename, O_RDWR, 0666, DB_HASH, NULL);
- if (bf->priv->file_db == NULL) {
- bf->priv->file_db = dbopen (filename, O_RDWR | O_CREAT, 0666, DB_HASH, NULL);
-
- if (bf->priv->file_db) {
- char *id;
- id = do_create(backend, INITIAL_VCARD, NULL);
- g_free (id);
- }
- }
-
- g_free (filename);
-
- if (bf->priv->file_db != NULL) {
- if (pas_backend_file_maybe_upgrade_db (bf))
- bf->priv->loaded = TRUE;
- /* XXX what if we fail to upgrade it? */
-
- g_free(bf->priv->uri);
- bf->priv->uri = g_strdup (uri);
- } else
- return FALSE;
-
- return TRUE;
-}
-
-/* Get_uri handler for the addressbook file backend */
-static const char *
-pas_backend_file_get_uri (PASBackend *backend)
-{
- PASBackendFile *bf;
-
- bf = PAS_BACKEND_FILE (backend);
-
- g_return_val_if_fail (bf->priv->loaded, NULL);
- g_assert (bf->priv->uri != NULL);
-
- return bf->priv->uri;
-}
-
-static gboolean
-pas_backend_file_add_client (PASBackend *backend,
- Evolution_BookListener listener)
-{
- PASBackendFile *bf;
- PASBook *book;
-
- g_assert (backend != NULL);
- g_assert (PAS_IS_BACKEND_FILE (backend));
-
- bf = PAS_BACKEND_FILE (backend);
-
- book = pas_book_new (
- backend, listener,
- pas_backend_file_get_vcard,
- pas_backend_file_can_write,
- pas_backend_file_can_write_card);
-
- if (!book) {
- if (!bf->priv->clients)
- pas_backend_last_client_gone (backend);
-
- return FALSE;
- }
-
- gtk_signal_connect (GTK_OBJECT (book), "destroy",
- pas_backend_file_book_destroy_cb, backend);
-
- gtk_signal_connect (GTK_OBJECT (book), "requests_queued",
- pas_backend_file_process_client_requests, NULL);
-
- bf->priv->clients = g_list_prepend (
- bf->priv->clients, book);
-
- if (bf->priv->loaded) {
- pas_book_respond_open (
- book, Evolution_BookListener_Success);
- } else {
- /* Open the book. */
- pas_book_respond_open (
- book, Evolution_BookListener_Success);
- }
-
- return TRUE;
-}
-
-static void
-pas_backend_file_remove_client (PASBackend *backend,
- PASBook *book)
-{
- PASBackendFile *bf;
- GList *l;
- PASBook *lbook;
-
- g_return_if_fail (backend != NULL);
- g_return_if_fail (PAS_IS_BACKEND_FILE (backend));
- g_return_if_fail (book != NULL);
- g_return_if_fail (PAS_IS_BOOK (book));
-
- bf = PAS_BACKEND_FILE (backend);
-
- /* Find the book in the list of clients */
-
- for (l = bf->priv->clients; l; l = l->next) {
- lbook = PAS_BOOK (l->data);
-
- if (lbook == book)
- break;
- }
-
- g_assert (l != NULL);
-
- /* Disconnect */
-
- bf->priv->clients = g_list_remove_link (bf->priv->clients, l);
- g_list_free_1 (l);
-
- /* When all clients go away, notify the parent factory about it so that
- * it may decide whether to kill the backend or not.
- */
- if (!bf->priv->clients)
- pas_backend_last_client_gone (backend);
-}
-
-static gboolean
-pas_backend_file_construct (PASBackendFile *backend)
-{
- g_assert (backend != NULL);
- g_assert (PAS_IS_BACKEND_FILE (backend));
-
- if (! pas_backend_construct (PAS_BACKEND (backend)))
- return FALSE;
-
- return TRUE;
-}
-
-/**
- * pas_backend_file_new:
- */
-PASBackend *
-pas_backend_file_new (void)
-{
- PASBackendFile *backend;
-
- backend = gtk_type_new (pas_backend_file_get_type ());
-
- if (! pas_backend_file_construct (backend)) {
- gtk_object_unref (GTK_OBJECT (backend));
-
- return NULL;
- }
-
- return PAS_BACKEND (backend);
-}
-
-static void
-pas_backend_file_destroy (GtkObject *object)
-{
- PASBackendFile *bf;
-
- bf = PAS_BACKEND_FILE (object);
-
- g_free (bf->priv->uri);
-
- GTK_OBJECT_CLASS (pas_backend_file_parent_class)->destroy (object);
-}
-
-static void
-pas_backend_file_class_init (PASBackendFileClass *klass)
-{
- GtkObjectClass *object_class = (GtkObjectClass *) klass;
- PASBackendClass *parent_class;
-
- pas_backend_file_parent_class = gtk_type_class (pas_backend_get_type ());
-
- parent_class = PAS_BACKEND_CLASS (klass);
-
- /* Set the virtual methods. */
- parent_class->load_uri = pas_backend_file_load_uri;
- parent_class->get_uri = pas_backend_file_get_uri;
- parent_class->add_client = pas_backend_file_add_client;
- parent_class->remove_client = pas_backend_file_remove_client;
-
- object_class->destroy = pas_backend_file_destroy;
-}
-
-static void
-pas_backend_file_init (PASBackendFile *backend)
-{
- PASBackendFilePrivate *priv;
-
- priv = g_new0 (PASBackendFilePrivate, 1);
- priv->loaded = FALSE;
- priv->clients = NULL;
- priv->book_views = NULL;
- priv->uri = NULL;
-
- backend->priv = priv;
-}
-
-/**
- * pas_backend_file_get_type:
- */
-GtkType
-pas_backend_file_get_type (void)
-{
- static GtkType type = 0;
-
- if (! type) {
- GtkTypeInfo info = {
- "PASBackendFile",
- sizeof (PASBackendFile),
- sizeof (PASBackendFileClass),
- (GtkClassInitFunc) pas_backend_file_class_init,
- (GtkObjectInitFunc) pas_backend_file_init,
- NULL, /* reserved 1 */
- NULL, /* reserved 2 */
- (GtkClassInitFunc) NULL
- };
-
- type = gtk_type_unique (pas_backend_get_type (), &info);
- }
-
- return type;
-}