aboutsummaryrefslogtreecommitdiffstats
path: root/addressbook/backend/pas/pas-backend-card-sexp.c
blob: a1b1fb6d356fe9e3e027064826f280babb0af6b6 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

#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_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 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" ),
    NORMAL_PROP ( E_CARD_SIMPLE_FIELD_FULL_NAME, "full_name",  "full_name" ),
    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 ),
};
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 = 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)
{
    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 = strstr(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;
}