/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* pas-backend-card-sexp.c
* Copyright 1999, 2000, 2001, Ximian, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License, version 2, as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "pas-backend-card-sexp.h"
#include <string.h>
#include <e-util/e-sexp.h>
#include <ebook/e-card-simple.h>
#include <gal/widgets/e-unicode.h>
static GtkObjectClass *parent_class;
typedef struct _SearchContext SearchContext;
struct _PASBackendCardSExpPrivate {
ESExp *search_sexp;
SearchContext *search_context;
};
struct _SearchContext {
ECardSimple *card;
};
static gboolean
compare_email (ECardSimple *card, const char *str,
char *(*compare)(const char*, const char*))
{
int i;
for (i = E_CARD_SIMPLE_EMAIL_ID_EMAIL; i < E_CARD_SIMPLE_EMAIL_ID_LAST; i ++) {
const char *email = e_card_simple_get_email (card, i);
if (email && compare(email, str))
return TRUE;
}
return FALSE;
}
static gboolean
compare_phone (ECardSimple *card, const char *str,
char *(*compare)(const char*, const char*))
{
int i;
for (i = E_CARD_SIMPLE_PHONE_ID_ASSISTANT; i < E_CARD_SIMPLE_PHONE_ID_LAST; i ++) {
const ECardPhone *phone = e_card_simple_get_phone (card, i);
if (phone && compare(phone->number, str))
return TRUE;
}
return FALSE;
}
static gboolean
compare_name (ECardSimple *card, const char *str,
char *(*compare)(const char*, const char*))
{
const char *name;
name = e_card_simple_get_const (card, E_CARD_SIMPLE_FIELD_FULL_NAME);
if (name && compare (name, str))
return TRUE;
name = e_card_simple_get_const (card, E_CARD_SIMPLE_FIELD_FAMILY_NAME);
if (name && compare (name, str))
return TRUE;
return FALSE;
}
static gboolean
compare_address (ECardSimple *card, const char *str,
char *(*compare)(const char*, const char*))
{
g_warning("address searching not implemented\n");
return FALSE;
}
static gboolean
compare_category (ECardSimple *card, const char *str,
char *(*compare)(const char*, const char*))
{
EList *categories;
EIterator *iterator;
ECard *ecard;
gboolean ret_val = FALSE;
gtk_object_get (GTK_OBJECT (card),
"card", &ecard,
NULL);
gtk_object_get (GTK_OBJECT (ecard),
"category_list", &categories,
NULL);
for (iterator = e_list_get_iterator(categories); e_iterator_is_valid (iterator); e_iterator_next (iterator)) {
const char *category = e_iterator_get (iterator);
if (compare(category, str)) {
ret_val = TRUE;
break;
}
}
gtk_object_unref (GTK_OBJECT (iterator));
e_card_free_empty_lists (ecard);
return ret_val;
}
static gboolean
compare_arbitrary (ECardSimple *card, const char *str,
char *(*compare)(const char*, const char*))
{
EList *list;
EIterator *iterator;
ECard *ecard;
gboolean ret_val = FALSE;
gtk_object_get (GTK_OBJECT (card),
"card", &ecard,
NULL);
gtk_object_get (GTK_OBJECT (ecard),
"arbitrary", &list,
NULL);
for (iterator = e_list_get_iterator(list); e_iterator_is_valid (iterator); e_iterator_next (iterator)) {
const ECardArbitrary *arbitrary = e_iterator_get (iterator);
if (compare(arbitrary->key, str)) {
ret_val = TRUE;
break;
}
}
gtk_object_unref (GTK_OBJECT (iterator));
e_card_free_empty_lists (ecard);
return ret_val;
}
static struct prop_info {
ECardSimpleField field_id;
const char *query_prop;
const char *ecard_prop;
#define PROP_TYPE_NORMAL 0x01
#define PROP_TYPE_LIST 0x02
#define PROP_TYPE_LISTITEM 0x03
#define PROP_TYPE_ID 0x04
int prop_type;
gboolean (*list_compare)(ECardSimple *ecard, const char *str,
char *(*compare)(const char*, const char*));
} prop_info_table[] = {
#define NORMAL_PROP(f,q,e) {f, q, e, PROP_TYPE_NORMAL, NULL}
#define ID_PROP {0, "id", NULL, PROP_TYPE_ID, NULL}
#define LIST_PROP(q,e,c) {0, q, e, PROP_TYPE_LIST, c}
/* query prop, ecard prop, type, list compare function */
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_FILE_AS, "file_as", "file_as" ),
LIST_PROP ( "full_name", "full_name", compare_name), /* not really a list, but we need to compare both full and surname */
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_URL, "url", "url" ),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_MAILER, "mailer", "mailer"),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_ORG, "org", "org"),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_ORG_UNIT, "org_unit", "org_unit"),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_OFFICE, "office", "office"),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_TITLE, "title", "title"),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_ROLE, "role", "role"),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_MANAGER, "manager", "manager"),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_ASSISTANT, "assistant", "assistant"),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_NICKNAME, "nickname", "nickname"),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_SPOUSE, "spouse", "spouse" ),
NORMAL_PROP ( E_CARD_SIMPLE_FIELD_NOTE, "note", "note"),
ID_PROP,
LIST_PROP ( "email", "email", compare_email ),
LIST_PROP ( "phone", "phone", compare_phone ),
LIST_PROP ( "address", "address", compare_address ),
LIST_PROP ( "category", "category", compare_category ),
LIST_PROP ( "arbitrary", "arbitrary", compare_arbitrary )
};
static int num_prop_infos = sizeof(prop_info_table) / sizeof(prop_info_table[0]);
static ESExpResult *
entry_compare(SearchContext *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;
gboolean any_field;
propname = argv[0]->value.string;
any_field = !strcmp(propname, "x-evolution-any-field");
for (i = 0; i < num_prop_infos; i ++) {
if (any_field
|| !strcmp (prop_info_table[i].query_prop, propname)) {
info = &prop_info_table[i];
if (info->prop_type == PROP_TYPE_NORMAL) {
char *prop = NULL;
/* searches where the query's property
maps directly to an ecard property */
prop = e_card_simple_get (ctx->card, info->field_id);
if (prop && compare(prop, argv[1]->value.string)) {
truth = TRUE;
}
if ((!prop) && compare("", argv[1]->value.string)) {
truth = TRUE;
}
g_free (prop);
} else if (info->prop_type == PROP_TYPE_LIST) {
/* the special searches that match any of the list elements */
truth = info->list_compare (ctx->card, argv[1]->value.string, compare);
} else if (info->prop_type == PROP_TYPE_ID) {
const char *prop = NULL;
/* searches where the query's property
maps directly to an ecard property */
prop = e_card_get_id (ctx->card->card);
if (prop && compare(prop, argv[1]->value.string)) {
truth = TRUE;
}
if ((!prop) && compare("", argv[1]->value.string)) {
truth = TRUE;
}
}
/* if we're looking at all fields and find a match,
or if we're just looking at this one field,
break. */
if ((any_field && truth)
|| !any_field)
break;
}
}
}
r = e_sexp_result_new(f, ESEXP_RES_BOOL);
r->value.bool = truth;
return r;
}
static ESExpResult *
func_contains(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data)
{
SearchContext *ctx = data;
return entry_compare (ctx, f, argc, argv, (char *(*)(const char*, const char*)) e_utf8_strstrcase);
}
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)
{
SearchContext *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 = (char*)e_utf8_strstrcase(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)
{
SearchContext *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 = (char*)e_utf8_strstrcase(s1, s2))
&& (p == s1))
return p;
else
return NULL;
}
static ESExpResult *
func_beginswith(struct _ESExp *f, int argc, struct _ESExpResult **argv, void *data)
{
SearchContext *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 },
};
gboolean
pas_backend_card_sexp_match_vcard (PASBackendCardSExp *sexp, const char *vcard)
{
ECard *card;
ESExpResult *r;
gboolean retval;
card = e_card_new ((char*)vcard);
sexp->priv->search_context->card = e_card_simple_new (card);
gtk_object_unref(GTK_OBJECT(card));
/* if it's not a valid vcard why is it in our db? :) */
if (!sexp->priv->search_context->card)
return FALSE;
r = e_sexp_eval(sexp->priv->search_sexp);
retval = (r && r->type == ESEXP_RES_BOOL && r->value.bool);
gtk_object_unref(GTK_OBJECT(sexp->priv->search_context->card));
e_sexp_result_free(sexp->priv->search_sexp, r);
return retval;
}
/**
* pas_backend_card_sexp_new:
*/
PASBackendCardSExp *
pas_backend_card_sexp_new (const char *text)
{
PASBackendCardSExp *sexp = gtk_type_new (pas_backend_card_sexp_get_type ());
int esexp_error;
int i;
sexp->priv->search_sexp = e_sexp_new();
for(i=0;i<sizeof(symbols)/sizeof(symbols[0]);i++) {
if (symbols[i].type == 1) {
e_sexp_add_ifunction(sexp->priv->search_sexp, 0, symbols[i].name,
(ESExpIFunc *)symbols[i].func, sexp->priv->search_context);
} else {
e_sexp_add_function(sexp->priv->search_sexp, 0, symbols[i].name,
symbols[i].func, sexp->priv->search_context);
}
}
e_sexp_input_text(sexp->priv->search_sexp, text, strlen(text));
esexp_error = e_sexp_parse(sexp->priv->search_sexp);
if (esexp_error == -1) {
gtk_object_unref (GTK_OBJECT (sexp));
sexp = NULL;
}
return sexp;
}
static void
pas_backend_card_sexp_destroy (GtkObject *object)
{
PASBackendCardSExp *sexp = PAS_BACKEND_CARD_SEXP (object);
e_sexp_unref(sexp->priv->search_sexp);
g_free (sexp->priv->search_context);
g_free (sexp->priv);
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
pas_backend_card_sexp_class_init (PASBackendCardSExpClass *klass)
{
GtkObjectClass *object_class = (GtkObjectClass *) klass;
parent_class = gtk_type_class (gtk_object_get_type ());
/* Set the virtual methods. */
object_class->destroy = pas_backend_card_sexp_destroy;
}
static void
pas_backend_card_sexp_init (PASBackendCardSExp *sexp)
{
PASBackendCardSExpPrivate *priv;
priv = g_new0 (PASBackendCardSExpPrivate, 1);
sexp->priv = priv;
priv->search_context = g_new (SearchContext, 1);
}
/**
* pas_backend_card_sexp_get_type:
*/
GtkType
pas_backend_card_sexp_get_type (void)
{
static GtkType type = 0;
if (! type) {
GtkTypeInfo info = {
"PASBackendCardSExp",
sizeof (PASBackendCardSExp),
sizeof (PASBackendCardSExpClass),
(GtkClassInitFunc) pas_backend_card_sexp_class_init,
(GtkObjectInitFunc) pas_backend_card_sexp_init,
NULL, /* reserved 1 */
NULL, /* reserved 2 */
(GtkClassInitFunc) NULL
};
type = gtk_type_unique (gtk_object_get_type (), &info);
}
return type;
}
