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path: root/addressbook/backend/ebook/e-destination.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/*
 * e-destination.c
 *
 * Copyright (C) 2001 Ximian, Inc.
 *
 * Developed by Jon Trowbridge <trow@ximian.com>
 */

/*
 * 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 <config.h>
#include "e-destination.h"

#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <gtk/gtkobject.h>
#include <libgnome/gnome-defs.h>
#include <libgnome/gnome-i18n.h>
#include "e-book.h"
#include "e-book-util.h"
#include <gal/widgets/e-unicode.h>
#include <gnome-xml/parser.h>
#include <gnome-xml/xmlmemory.h>


struct _EDestinationPrivate {

    gchar *card_uri;
    ECard *card;
    gint card_email_num;

    gchar *name;
    gchar *email;
    gchar *addr;

    gboolean html_mail_override;
    gboolean wants_html_mail;

    GList *list_dests;
};

static void e_destination_clear_card    (EDestination *);
static void e_destination_clear_strings (EDestination *);

static GtkObjectClass *parent_class;

static void
e_destination_destroy (GtkObject *obj)
{
    EDestination *dest = E_DESTINATION (obj);

    e_destination_clear (dest);
    g_free (dest->priv);

    if (parent_class->destroy)
        parent_class->destroy (obj);
}

static void
e_destination_class_init (EDestinationClass *klass)
{
    GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass);

    parent_class = GTK_OBJECT_CLASS (gtk_type_class (GTK_TYPE_OBJECT));

    object_class->destroy = e_destination_destroy;
}

static void
e_destination_init (EDestination *dest)
{
    dest->priv = g_new0 (struct _EDestinationPrivate, 1);
}

GtkType
e_destination_get_type (void)
{
    static GtkType dest_type = 0;

    if (!dest_type) {
        GtkTypeInfo dest_info = {
            "EDestination",
            sizeof (EDestination),
            sizeof (EDestinationClass),
            (GtkClassInitFunc) e_destination_class_init,
            (GtkObjectInitFunc) e_destination_init,
            NULL, NULL, /* reserved */
            (GtkClassInitFunc) NULL
        };

        dest_type = gtk_type_unique (gtk_object_get_type (), &dest_info);
    }

    return dest_type;
}

EDestination *
e_destination_new (void)
{
    return E_DESTINATION (gtk_type_new (E_TYPE_DESTINATION));
}

EDestination *
e_destination_copy (EDestination *dest)
{
    EDestination *new_dest;
    GList *iter;

    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), NULL);

    new_dest = e_destination_new ();

    new_dest->priv->card_uri       = g_strdup (dest->priv->card_uri);
    new_dest->priv->name           = g_strdup (dest->priv->name);
    new_dest->priv->email          = g_strdup (dest->priv->email);
    new_dest->priv->addr           = g_strdup (dest->priv->addr);
    new_dest->priv->card_email_num = dest->priv->card_email_num;

    new_dest->priv->card     = dest->priv->card;
    if (new_dest->priv->card)
        gtk_object_ref (GTK_OBJECT (new_dest->priv->card));

    new_dest->priv->html_mail_override = dest->priv->html_mail_override;
    new_dest->priv->wants_html_mail    = dest->priv->wants_html_mail;

    for (iter = dest->priv->list_dests; iter != NULL; iter = g_list_next (iter)) {
        new_dest->priv->list_dests = g_list_append (new_dest->priv->list_dests,
                                e_destination_copy (E_DESTINATION (iter->data)));
    }

    return new_dest;
}

static void
e_destination_clear_card (EDestination *dest)
{
    g_free (dest->priv->card_uri);
    dest->priv->card_uri = NULL;

    if (dest->priv->card)
        gtk_object_unref (GTK_OBJECT (dest->priv->card));
    dest->priv->card = NULL;

    dest->priv->card_email_num = -1;

    g_list_foreach (dest->priv->list_dests, (GFunc) gtk_object_unref, NULL);
    g_list_free (dest->priv->list_dests);
    dest->priv->list_dests = NULL;
}

static void
e_destination_clear_strings (EDestination *dest)
{
    g_free (dest->priv->name);
    dest->priv->name = NULL;

    g_free (dest->priv->email);
    dest->priv->email = NULL;

    g_free (dest->priv->addr);
    dest->priv->addr = NULL;
}

void
e_destination_clear (EDestination *dest)
{
    g_return_if_fail (dest && E_IS_DESTINATION (dest));

    e_destination_clear_card (dest);
    e_destination_clear_strings (dest);
}

gboolean
e_destination_is_empty (EDestination *dest)
{
    struct _EDestinationPrivate *p;
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), TRUE);
    p = dest->priv;

    return !(p->card != NULL
         || (p->card_uri && *p->card_uri)
         || (p->name && *p->name)
         || (p->email && *p->email)
         || (p->addr && *p->addr)
         || (p->list_dests != NULL));
}

void
e_destination_set_card (EDestination *dest, ECard *card, gint email_num)
{
    g_return_if_fail (dest && E_IS_DESTINATION (dest));
    g_return_if_fail (card && E_IS_CARD (card));

    e_destination_clear (dest);

    dest->priv->card = card;
    gtk_object_ref (GTK_OBJECT (dest->priv->card));

    dest->priv->card_email_num = email_num;
}

void
e_destination_set_card_uri (EDestination *dest, const gchar *uri, gint email_num)
{
    g_return_if_fail (dest && E_IS_DESTINATION (dest));
    g_return_if_fail (uri != NULL);
    
    g_free (dest->priv->card_uri);
    dest->priv->card_uri = g_strdup (uri);
    dest->priv->card_email_num = email_num;

    /* If we already have a card, remove it unless it's uri matches the one
       we just set. */
    if (dest->priv->card && strcmp (uri, e_card_get_uri (dest->priv->card))) {
        gtk_object_unref (GTK_OBJECT (dest->priv->card));
        dest->priv->card = NULL;
    }
}

void
e_destination_set_name (EDestination *dest, const gchar *name)
{
    g_return_if_fail (dest && E_IS_DESTINATION (dest));
    g_return_if_fail (name != NULL);

    g_free (dest->priv->name);
    dest->priv->name = g_strdup (name);

    if (dest->priv->addr) {
        g_free (dest->priv->addr);
        dest->priv->addr = NULL;
    }
}

void
e_destination_set_email (EDestination *dest, const gchar *email)
{
    g_return_if_fail (dest && E_IS_DESTINATION (dest));
    g_return_if_fail (email != NULL);

    g_free (dest->priv->email);
    dest->priv->email = g_strdup (email);

    if (dest->priv->addr) {
        g_free (dest->priv->addr);
        dest->priv->addr = NULL;
    }
}


/* This function takes a free-form string and tries to do something
   intelligent with it. */
void
e_destination_set_string (EDestination *dest, const gchar *str)
{
    gchar *name = NULL;
    gchar *email = NULL;
    gchar *lt, *gt;

    g_return_if_fail (dest && E_IS_DESTINATION (dest));
    g_return_if_fail (str != NULL);

    /* This turned out to be an overly-clever approach... */
#if 0
    /* Look for something of the form Jane Smith <jane@assbarn.com> */
    if ( (lt = strrchr (str, '<')) && (gt = strrchr (str, '>')) && lt+1 < gt) {
        name  = g_strndup (str, lt-str);
        email = g_strndup (lt+1, gt-lt-1);

        /* I love using goto.  It makes me feel so wicked. */
        goto finished;
    }

    /* If it contains '@', assume it is an e-mail address. */
    if (strchr (str, '@')) {
        email = g_strdup (str);
        goto finished;
    }

    /* If we contain whitespace, that is very suggestive of being a name. */
    if (strchr (str, ' ')) {
        name = g_strdup (str);
        goto finished;
    }
#endif

    /* Default: Just treat it as a name address. */
    name = g_strdup (str);

 finished:
    if (name) {
        g_message ("name: [%s]", name);
        if (*name)
            e_destination_set_name (dest, name);
        g_free (name);
    }

    if (email) {
        g_message ("email: [%s]", email);
        if (*email)
            e_destination_set_email (dest, email);
        g_free (email);
    }
}

void
e_destination_set_html_mail_pref (EDestination *dest, gboolean x)
{
    g_return_if_fail (dest && E_IS_DESTINATION (dest));

    dest->priv->html_mail_override = TRUE;
    dest->priv->wants_html_mail = x;
}

gboolean
e_destination_contains_card (const EDestination *dest)
{
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), FALSE);
    return dest->priv->card != NULL;
}

gboolean
e_destination_from_card (const EDestination *dest)
{
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), FALSE);
    return dest->priv->card != NULL || dest->priv->card_uri != NULL;
}


typedef struct _UseCard UseCard;
struct _UseCard {
    EDestination *dest;
    EDestinationCardCallback cb;
    gpointer closure;
};

static void
use_card_cb (ECard *card, gpointer closure)
{
    UseCard *uc = (UseCard *) closure;

    if (card != NULL && uc->dest->priv->card == NULL) {

        uc->dest->priv->card = card;
        gtk_object_ref (GTK_OBJECT (uc->dest->priv->card));

    }

    if (uc->cb) {
        uc->cb (uc->dest, uc->dest->priv->card, uc->closure);
    }

    /* We held a copy of the destination during the callback. */
    gtk_object_unref (GTK_OBJECT (uc->dest));
    g_free (uc);
}

void
e_destination_use_card (EDestination *dest, EDestinationCardCallback cb, gpointer closure)
{
    g_return_if_fail (dest && E_IS_DESTINATION (dest));

    if (dest->priv->card) {

        if (cb) {
            cb (dest, dest->priv->card, closure);
        }

    } else if (dest->priv->card_uri) {

        UseCard *uc = g_new (UseCard, 1);
        uc->dest = dest;
        /* Hold a reference to the destination during the callback. */
        gtk_object_ref (GTK_OBJECT (uc->dest));
        uc->cb = cb;
        uc->closure = closure;
        e_card_load_uri (dest->priv->card_uri, use_card_cb, uc);
    }
}

ECard *
e_destination_get_card (const EDestination *dest)
{
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), NULL);

    return dest->priv->card;
}

const gchar *
e_destination_get_card_uri (const EDestination *dest)
{
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), NULL);
    
    if (dest->priv->card_uri)
        return dest->priv->card_uri;
    
    if (dest->priv->card)
        return e_card_get_uri (dest->priv->card);

    return NULL;
}

gint
e_destination_get_email_num (const EDestination *dest)
{
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), -1);

    if (dest->priv->card == NULL && dest->priv->card_uri == NULL)
        return -1;

    return dest->priv->card_email_num;
}

const gchar *
e_destination_get_name (const EDestination *dest)
{
    struct _EDestinationPrivate *priv;
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), NULL);

    priv = (struct _EDestinationPrivate *)dest->priv; /* cast out const */
    
    if (priv->name == NULL && priv->card != NULL)
        priv->name = e_card_name_to_string (priv->card->name);
    
    return priv->name;
    
}

const gchar *
e_destination_get_email (const EDestination *dest)
{
    struct _EDestinationPrivate *priv;

    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), NULL);

    priv = (struct _EDestinationPrivate *)dest->priv; /* cast out const */

    if (priv->email == NULL) {

        if (priv->card) { /* Pull the address out of the card. */

            EIterator *iter = e_list_get_iterator (priv->card->email);
            gint n = priv->card_email_num;

            if (n >= 0) {
                while (n > 0) {
                    e_iterator_next (iter);
                    --n;
                }

                if (e_iterator_is_valid (iter)) {
                    gconstpointer ptr = e_iterator_get (iter);
                    priv->email = g_strdup ((gchar *) ptr);
                }
            }

        } else if (priv->name) {
            gchar *lt = strchr (priv->name, '<');
            gchar *gt = strchr (priv->name, '>');
            
            if (lt && gt && lt+1 < gt) {
                priv->email = g_strndup (lt+1, gt-lt-1);
            }
        }
    }

    return priv->email;
}

const gchar *
e_destination_get_address (const EDestination *dest)
{
    struct _EDestinationPrivate *priv;
        
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), NULL);

    priv = (struct _EDestinationPrivate *)dest->priv; /* cast out const */
    
    if (priv->addr == NULL) {

        if (e_destination_is_evolution_list (dest)) {

            gchar **strv = g_new0 (gchar *, g_list_length (priv->list_dests) + 1);
            gint i = 0;
            GList *iter = dest->priv->list_dests;

            while (iter) {
                EDestination *list_dest = E_DESTINATION (iter->data);
                if (! e_destination_is_empty (list_dest)) {
                    strv[i] = (gchar *) e_destination_get_address (list_dest);
                    ++i;
                }
                iter = g_list_next (iter);
            }

            priv->addr = g_strjoinv (", ", strv);

            g_message ("List address is [%s]", priv->addr);

            g_free (strv);

        } else {

            const gchar *name     = e_destination_get_name (dest);
            const gchar *email    = e_destination_get_email (dest);
        
            if (email) { /* If this isn't set, we return NULL */
                        
                if (name) {

                    gchar *lt = strchr (name, '<');
                    gchar *namecpy = lt ? g_strndup (name, lt-name) : g_strdup (name);
                    gboolean needs_quotes = (strchr (namecpy, '.') != NULL);

                    g_strstrip (namecpy);
                    
                    priv->addr = g_strdup_printf ("%s%s%s <%s>",
                                      needs_quotes ? "\"" : "",
                                      namecpy,
                                      needs_quotes ? "\"" : "",
                                      email);
                    g_free (namecpy);
                
                } else {
                    
                    priv->addr = g_strdup (email);
                    
                }

            } else {
                
                /* Just use the name, which is the best we can do. */
                priv->addr = g_strdup (name);

            }
        }
    }
    
    return priv->addr;
}

const gchar *
e_destination_get_textrep (const EDestination *dest)
{
    const gchar *txt;

    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), NULL);

    txt = e_destination_get_name (dest);
    if (txt)
        return txt;

    txt = e_destination_get_email (dest);
    if (txt)
        return txt;

    return "";
}

gboolean
e_destination_is_evolution_list (const EDestination *dest)
{
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), FALSE);

    if (dest->priv->list_dests == NULL
        && dest->priv->card != NULL
        && dest->priv->card->email != NULL
        && e_card_evolution_list (dest->priv->card)) {

        EIterator *iter = e_list_get_iterator (dest->priv->card->email);
        e_iterator_reset (iter);
        while (e_iterator_is_valid (iter)) {
            const gchar *dest_xml = (const gchar *) e_iterator_get (iter);
            EDestination *list_dest = e_destination_import (dest_xml);
            if (list_dest)
                dest->priv->list_dests = g_list_append (dest->priv->list_dests, list_dest);
            e_iterator_next (iter);
        }
    }

    return dest->priv->list_dests != NULL;
}

gboolean
e_destination_get_html_mail_pref (const EDestination *dest)
{
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), FALSE);

    if (dest->priv->html_mail_override || dest->priv->card == NULL)
        return dest->priv->wants_html_mail;

    return dest->priv->card->wants_html;
}

gchar *
e_destination_get_address_textv (EDestination **destv)
{
    gint i, j, len = 0;
    gchar **strv;
    gchar *str;
    g_return_val_if_fail (destv, NULL);

    while (destv[len]) {
        g_return_val_if_fail (E_IS_DESTINATION (destv[len]), NULL);
        ++len;
    }

    strv = g_new0 (gchar *, len+1);
    for (i = 0, j = 0; destv[i]; ++i) {

        if (! e_destination_is_empty (destv[i])) {
            const gchar *addr = e_destination_get_address (destv[i]);
            strv[j++] = addr ? (gchar *) addr : "";
        }
    }

    str = g_strjoinv (", ", strv);

    g_free (strv);

    return str;
}

xmlNodePtr
e_destination_xml_encode (const EDestination *dest)
{
    xmlNodePtr dest_node;
    const gchar *str;

    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), NULL);

    dest_node = xmlNewNode (NULL, "destination");

    str = e_destination_get_name (dest);
    if (str)
        xmlNewTextChild (dest_node, NULL, "name", str);

    if (! e_destination_is_evolution_list (dest)) {

        str = e_destination_get_email (dest);
        if (str)
            xmlNewTextChild (dest_node, NULL, "email", str);

    } else {

        GList *iter = dest->priv->list_dests;
        while (iter) {
            EDestination *list_dest = E_DESTINATION (iter->data);
            xmlNodePtr list_node = xmlNewNode (NULL, "list_entry");
            
            str = e_destination_get_name (list_dest);
            if (str)
                xmlNewTextChild (list_node, NULL, "name", str);
            
            str = e_destination_get_email (list_dest);
            if (str)
                xmlNewTextChild (list_node, NULL, "email", str);

            xmlAddChild (dest_node, list_node);
            
            iter = g_list_next (iter);
        }

        xmlNewProp (dest_node, "is_list", "yes");
    }

    str = e_destination_get_card_uri (dest);
    if (str) {
        gchar buf[16];
        xmlNodePtr uri_node = xmlNewTextChild (dest_node, NULL, "card_uri", str);
        g_snprintf (buf, 16, "%d", e_destination_get_email_num (dest));
        xmlNewProp (uri_node, "email_num", buf);
    }

    xmlNewProp (dest_node, "html_mail", e_destination_get_html_mail_pref (dest) ? "yes" : "no");

    return dest_node;
}

gboolean
e_destination_xml_decode (EDestination *dest, xmlNodePtr node)
{
    gchar *name = NULL, *email = NULL, *card_uri = NULL;
    gint email_num = -1;
    gboolean html_mail = FALSE;
    gboolean is_list = FALSE;
    gchar *tmp;
    GList *list_dests = NULL;

    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), FALSE);
    g_return_val_if_fail (node != NULL, FALSE);

    if (strcmp (node->name, "destination"))
        return FALSE;

    tmp = xmlGetProp (node, "html_mail");
    if (tmp) {
        html_mail = !strcmp (tmp, "yes");
        xmlFree (tmp);
    }

    tmp = xmlGetProp (node, "is_list");
    if (tmp) {
        is_list = !strcmp (tmp, "yes");
        xmlFree (tmp);
    }

    node = node->xmlChildrenNode;
    while (node) {

        if (!strcmp (node->name, "name")) {
            
            tmp = xmlNodeGetContent (node);
            g_free (name);
            name = e_utf8_xml1_decode (tmp);
            xmlFree (tmp);

        } else if (!is_list && !strcmp (node->name, "email")) {

            tmp = xmlNodeGetContent (node);
            g_free (email);
            email = e_utf8_xml1_decode (tmp);
            xmlFree (tmp);

        } else if (is_list && !strcmp (node->name, "list_entry")) {

            xmlNodePtr subnode = node->xmlChildrenNode;
            gchar *list_name = NULL, *list_email = NULL;
            
            while (subnode) {

                if (!strcmp (subnode->name, "name")) {

                    tmp = xmlNodeGetContent (subnode);
                    g_free (list_name);
                    list_name = e_utf8_xml1_decode (tmp);
                    xmlFree (tmp);

                } else if (!strcmp (subnode->name, "email")) {
                    
                    tmp = xmlNodeGetContent (subnode);
                    g_free (list_email);
                    list_email = e_utf8_xml1_decode (tmp);
                    xmlFree (tmp);

                }

                subnode = subnode->next;
            }

            if (list_name || list_email) {
                EDestination *list_dest = e_destination_new ();
                if (list_name)
                    e_destination_set_name (list_dest, list_name);
                if (list_email)
                    e_destination_set_email (list_dest, list_email);

                list_dests = g_list_append (list_dests, list_dest);
                
            }

        } else if (!strcmp (node->name, "card_uri")) {

            tmp = xmlNodeGetContent (node);
            g_free (card_uri);
            card_uri = e_utf8_xml1_decode (tmp);
            xmlFree (tmp);

            tmp = xmlGetProp (node, "email_num");
            email_num = atoi (tmp);
            xmlFree (tmp);

        }

        node = node->next;
    }

    e_destination_clear (dest);

    if (name)
        e_destination_set_name (dest, name);
    if (email)
        e_destination_set_email (dest, email);
    if (card_uri)
        e_destination_set_card_uri (dest, card_uri, email_num);
    if (list_dests)
        dest->priv->list_dests = list_dests;

    return TRUE;
}

/* FIXME: Make utf-8 safe */
static gchar *
null_terminate_and_remove_extra_whitespace (xmlChar *xml_in, gint size)
{
    gchar *xml;
    gchar *r, *w;
    gboolean skip_white = FALSE;

    if (xml_in == NULL || size <= 0) 
        return NULL;

    xml = g_strndup (xml_in, size);
    r = w = xml;

    while (*r) {
        if (*r == '\n' || *r == '\r') {
            skip_white = TRUE;
        } else {
            gboolean is_space = isspace (*r);

            *w = *r;

            if (! (skip_white && is_space))
                ++w;
            if (! is_space)
                skip_white = FALSE;
        }
        ++r;
    }

    *w = '\0';

    return xml;
}

gchar *
e_destination_export (const EDestination *dest)
{
    xmlNodePtr dest_node;
    xmlDocPtr  dest_doc;
    xmlChar   *buffer = NULL;
    gint       size = -1;
    gchar     *str;
    
    g_return_val_if_fail (dest && E_IS_DESTINATION (dest), NULL);

    dest_node = e_destination_xml_encode (dest);
    if (dest_node == NULL)
        return NULL;

    dest_doc = xmlNewDoc (XML_DEFAULT_VERSION);
    xmlDocSetRootElement (dest_doc, dest_node);

    xmlDocDumpMemory (dest_doc, &buffer, &size);
    xmlFreeDoc (dest_doc);

    str = null_terminate_and_remove_extra_whitespace (buffer, size);
    xmlFree (buffer);

    return str;
}

EDestination *
e_destination_import (const gchar *str)
{
    EDestination *dest = NULL;
    xmlDocPtr dest_doc;

    if (! (str && *str))
        return NULL;

    dest_doc = xmlParseMemory ((gchar *) str, strlen (str));
    if (dest_doc && dest_doc->xmlRootNode) {
        dest = e_destination_new ();
        if (! e_destination_xml_decode (dest, dest_doc->xmlRootNode)) {
            gtk_object_unref (GTK_OBJECT (dest));
            dest = NULL;
        }
    }
    xmlFreeDoc (dest_doc);

    return dest;
}

gchar *
e_destination_exportv (EDestination **destv)
{
    xmlDocPtr   destv_doc;
    xmlNodePtr  destv_node;
    xmlChar    *buffer = NULL;
    gint        size = -1;
    gchar      *str;
    gint        i;

    if (destv == NULL || *destv == NULL)
        return NULL;

    destv_doc  = xmlNewDoc (XML_DEFAULT_VERSION);
    destv_node = xmlNewNode (NULL, "destinations");
    xmlDocSetRootElement (destv_doc, destv_node);

    for (i=0; destv[i]; ++i) {
        if (! e_destination_is_empty (destv[i])) {
            xmlNodePtr dest_node = e_destination_xml_encode (destv[i]);
            if (dest_node)
                xmlAddChild (destv_node, dest_node);
        }
    }

    xmlDocDumpMemory (destv_doc, &buffer, &size);
    xmlFreeDoc (destv_doc);

    str = null_terminate_and_remove_extra_whitespace (buffer, size);
    xmlFree (buffer);

    return str;
}

EDestination **
e_destination_importv (const gchar *str)
{
    GList *dest_list = NULL, *iter;
    xmlDocPtr destv_doc;
    xmlNodePtr node;
    EDestination **destv = NULL;
    gint N;

    if (! (str && *str))
        return NULL;

    destv_doc = xmlParseMemory ((gchar *)str, strlen (str));
    node = destv_doc->xmlRootNode;

    if (strcmp (node->name, "destinations"))
        goto finished;

    node = node->xmlChildrenNode;
    
    while (node) {
        EDestination *dest;

        dest = e_destination_new ();
        if (e_destination_xml_decode (dest, node)) {
            dest_list = g_list_prepend (dest_list, dest);
        } else {
            gtk_object_unref (GTK_OBJECT (dest));
        }

        node = node->next;
    }

    N = g_list_length (dest_list);
    destv = g_new0 (EDestination *, N+1);
    
    /* We write the EDestinations into the list from back to front, to
       undo the reversal caused by using g_list_prepend instead of
       g_list_append. */
    iter = dest_list;
    while (iter != NULL) {
        destv[N-1] = E_DESTINATION (iter->data);
        iter = g_list_next (iter);
        --N;
    }

 finished:
    xmlFreeDoc (destv_doc);
    g_list_free (dest_list);

    return destv;
}

static void
touch_cb (EBook *book, const gchar *addr, ECard *card, gpointer closure)
{
    if (book != NULL && card != NULL) {
        e_card_touch (card);
        g_message ("Use score for \"%s\" is now %f", addr, e_card_get_use_score (card));
        e_book_commit_card (book, card, NULL, NULL);
    }
}

void
e_destination_touch (EDestination *dest)
{
    const gchar *email;

    g_return_if_fail (dest && E_IS_DESTINATION (dest));

    email = e_destination_get_email (dest);

    if (email) {
        e_book_query_address_locally (email, touch_cb, NULL);
    }
}