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authorJeffrey Stedfast <fejj@helixcode.com>2000-09-22 12:36:44 +0800
committerJeffrey Stedfast <fejj@src.gnome.org>2000-09-22 12:36:44 +0800
commit0d39d588a7da56bca9c195615d765edd572b3a41 (patch)
tree3cd283cda547a91358bd719bee085c84cb7f42e7 /mail/message-list.c
parent99575765f4a4b9d69f56906bac1d144503179050 (diff)
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New comparison function for email addresses. (subject_compare): New
2000-09-22 Jeffrey Stedfast <fejj@helixcode.com> * message-list.c (address_compare): New comparison function for email addresses. (subject_compare): New comparison function for message subjects. (message_list_init_header): Updated to use the new compare funcs. svn path=/trunk/; revision=5546
Diffstat (limited to 'mail/message-list.c')
-rw-r--r--mail/message-list.c165
1 files changed, 162 insertions, 3 deletions
diff --git a/mail/message-list.c b/mail/message-list.c
index d33e11bc8f..32ad726cef 100644
--- a/mail/message-list.c
+++ b/mail/message-list.c
@@ -16,6 +16,9 @@
#include <camel/camel-exception.h>
#include <camel/camel-folder.h>
+#include <string.h>
+#include <ctype.h>
+
#include "message-list.h"
#include "message-thread.h"
#include "mail-threads.h"
@@ -105,6 +108,162 @@ static struct {
{ NULL, NULL }
};
+typedef struct {
+ char *name;
+ char *address;
+} InternetAddress;
+
+
+static InternetAddress *
+internet_address_new_from_string (const gchar *string)
+{
+ /* We have 3 possibilities...
+ 1. "Jeffrey Stedfast" <fejj@helixcode.com>
+ 2. fejj@helixcode.com
+ 3. <fejj@helixcode.com> (Jeffrey Stedfast)
+ */
+ InternetAddress *ia;
+ gchar *name = NULL, *address = NULL;
+ gchar *ptr, *padding = NULL;
+ gboolean in_quotes = FALSE;
+ gboolean name_first = FALSE;
+
+ g_return_val_if_fail (string != NULL, NULL);
+ g_return_val_if_fail (*string != '\0', NULL);
+
+ /* look for padding between parts... */
+ for (ptr = (gchar *) string; *ptr; ptr++) {
+ if (*ptr == '"') {
+ in_quotes = !in_quotes;
+ name_first = TRUE;
+ } else if (!in_quotes && isspace (*ptr)) {
+ padding = ptr;
+ break;
+ }
+ }
+
+ if (padding) {
+ padding--;
+ /* we have a type-one or a type-three address */
+ if (name_first) {
+ name = g_strndup (string, (gint) (padding - string));
+ g_strstrip (name);
+
+ /* strip off the quotes */
+ if (*name) {
+ *(name + strlen (name) - 1) = '\0';
+ memmove (name, name + 1, strlen (name) - 1);
+ } else {
+ g_free (name);
+ name = NULL;
+ }
+
+ address = strchr (padding, '<');
+ if (address) {
+ address++;
+ for (ptr = address; *ptr && *ptr != '>'; ptr++);
+
+ address = g_strndup (address, (gint) (ptr - address));
+ }
+ } else {
+ address = g_strndup (string, (gint) (padding - string));
+ g_strstrip (address);
+
+ /* strip off the braces */
+ if (*address) {
+ *(address + strlen (address) - 1) = '\0';
+ memmove (address, address + 1, strlen (address) - 1);
+ } else {
+ g_free (address);
+ address = NULL;
+ }
+
+ name = strchr (padding, '(');
+ if (name) {
+ name++;
+ in_quotes = FALSE;
+ ptr = name;
+
+ while (*ptr) {
+ if (*ptr == '"')
+ in_quotes = !in_quotes;
+ else if (!in_quotes && *ptr == ')')
+ break;
+ }
+
+ name = g_strndup (name, (gint) (ptr - name));
+ }
+ }
+ } else {
+ /* we have a type-two address */
+ address = g_strdup (string);
+ }
+
+ if (!address) {
+ /* the address is the most important part! */
+ g_free (name);
+ return NULL;
+ }
+
+ ia = g_new (InternetAddress, 1);
+ ia->name = name;
+ ia->address = address;
+
+ return ia;
+}
+
+static void
+internet_address_destroy (InternetAddress *ia)
+{
+ g_return_if_fail (ia != NULL);
+
+ g_free (ia->name);
+ g_free (ia->address);
+ g_free (ia);
+}
+
+static gint
+address_compare (gconstpointer address1, gconstpointer address2)
+{
+ InternetAddress *ia1, *ia2;
+ gint retval;
+
+ ia1 = internet_address_new_from_string ((const char *) address1);
+ ia2 = internet_address_new_from_string ((const char *) address2);
+
+ if (!ia1->name || !ia2->name) {
+ /* if one or the other doesn't have a name we should compare addresses */
+ retval = g_strcasecmp (ia1->address, ia2->address);
+ } else {
+ /* FIXME: compare last names...then first names if last names are the same? */
+ retval = g_strcasecmp (ia1->name, ia2->name);
+ }
+
+ internet_address_destroy (ia1);
+ internet_address_destroy (ia2);
+
+ return retval;
+}
+
+static gint
+subject_compare (gconstpointer subject1, gconstpointer subject2)
+{
+ char *sub1;
+ char *sub2;
+
+ /* trim off any "Re:"'s at the beginning of subject1 */
+ sub1 = (char *) subject1;
+ while (!g_strncasecmp (sub1, "Re:", 3))
+ sub1 += 3;
+
+ /* trim off any "Re:"'s at the beginning of subject2 */
+ sub2 = (char *) subject2;
+ while (!g_strncasecmp (sub2, "Re:", 3))
+ sub2 += 3;
+
+ return g_strcasecmp (sub1, sub2);
+}
+
/* Gets the CamelMessageInfo for the message displayed at the given
* view row.
*/
@@ -722,14 +881,14 @@ message_list_init_header (MessageList *message_list)
COL_FROM, _("From"),
COL_FROM_EXPANSION, COL_FROM_WIDTH_MIN,
message_list->render_text,
- g_str_compare, TRUE);
+ address_compare, TRUE);
message_list->table_cols [COL_SUBJECT] =
e_table_col_new (
COL_SUBJECT, _("Subject"),
COL_SUBJECT_EXPANSION, COL_SUBJECT_WIDTH_MIN,
message_list->render_tree,
- g_str_compare, TRUE);
+ subject_compare, TRUE);
message_list->table_cols [COL_SENT] =
e_table_col_new (
@@ -750,7 +909,7 @@ message_list_init_header (MessageList *message_list)
COL_TO, _("To"),
COL_TO_EXPANSION, COL_TO_WIDTH_MIN,
message_list->render_text,
- g_str_compare, TRUE);
+ address_compare, TRUE);
message_list->table_cols [COL_SIZE] =
e_table_col_new (