user-accounts: Move non-shared function
The generate_username_choices function is only used in CcAddUserDialog
This commit is contained in:
Robert Ancell
parent
ffa54acdb9
commit
a41780267b
3 changed files with 237 additions and 231 deletions
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@ -383,6 +383,234 @@ local_name_entry_focus_out_event_cb (CcAddUserDialog *self)
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return FALSE;
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return FALSE;
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}
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}
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static void
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generate_username_choices (const gchar *name,
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GtkListStore *store)
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{
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gboolean in_use, same_as_initial;
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char *lc_name, *ascii_name, *stripped_name;
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char **words1;
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char **words2 = NULL;
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char **w1, **w2;
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char *c;
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char *unicode_fallback = "?";
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GString *first_word, *last_word;
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GString *item0, *item1, *item2, *item3, *item4;
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int len;
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int nwords1, nwords2, i;
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GHashTable *items;
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GtkTreeIter iter;
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gsize max_name_length;
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gtk_list_store_clear (store);
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ascii_name = g_convert_with_fallback (name, -1, "ASCII//TRANSLIT", "UTF-8",
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unicode_fallback, NULL, NULL, NULL);
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lc_name = g_ascii_strdown (ascii_name, -1);
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/* Remove all non ASCII alphanumeric chars from the name,
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* apart from the few allowed symbols.
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*
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* We do remove '.', even though it is usually allowed,
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* since it often comes in via an abbreviated middle name,
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* and the dot looks just wrong in the proposals then.
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*/
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stripped_name = g_strnfill (strlen (lc_name) + 1, '\0');
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i = 0;
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for (c = lc_name; *c; c++) {
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if (!(g_ascii_isdigit (*c) || g_ascii_islower (*c) ||
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*c == ' ' || *c == '-' || *c == '_' ||
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/* used to track invalid words, removed below */
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*c == '?') )
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continue;
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stripped_name[i] = *c;
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i++;
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}
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if (strlen (stripped_name) == 0) {
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g_free (ascii_name);
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g_free (lc_name);
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g_free (stripped_name);
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return;
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}
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/* we split name on spaces, and then on dashes, so that we can treat
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* words linked with dashes the same way, i.e. both fully shown, or
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* both abbreviated
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*/
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words1 = g_strsplit_set (stripped_name, " ", -1);
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len = g_strv_length (words1);
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/* The default item is a concatenation of all words without ? */
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item0 = g_string_sized_new (strlen (stripped_name));
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g_free (ascii_name);
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g_free (lc_name);
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g_free (stripped_name);
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/* Concatenate the whole first word with the first letter of each
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* word (item1), and the last word with the first letter of each
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* word (item2). item3 and item4 are symmetrical respectively to
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* item1 and item2.
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*
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* Constant 5 is the max reasonable number of words we may get when
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* splitting on dashes, since we can't guess it at this point,
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* and reallocating would be too bad.
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*/
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item1 = g_string_sized_new (strlen (words1[0]) + len - 1 + 5);
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item3 = g_string_sized_new (strlen (words1[0]) + len - 1 + 5);
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item2 = g_string_sized_new (strlen (words1[len - 1]) + len - 1 + 5);
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item4 = g_string_sized_new (strlen (words1[len - 1]) + len - 1 + 5);
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/* again, guess at the max size of names */
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first_word = g_string_sized_new (20);
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last_word = g_string_sized_new (20);
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nwords1 = 0;
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nwords2 = 0;
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for (w1 = words1; *w1; w1++) {
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if (strlen (*w1) == 0)
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continue;
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/* skip words with string '?', most likely resulting
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* from failed transliteration to ASCII
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*/
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if (strstr (*w1, unicode_fallback) != NULL)
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continue;
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nwords1++; /* count real words, excluding empty string */
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item0 = g_string_append (item0, *w1);
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words2 = g_strsplit_set (*w1, "-", -1);
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/* reset last word if a new non-empty word has been found */
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if (strlen (*words2) > 0)
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last_word = g_string_set_size (last_word, 0);
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for (w2 = words2; *w2; w2++) {
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if (strlen (*w2) == 0)
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continue;
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nwords2++;
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/* part of the first "toplevel" real word */
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if (nwords1 == 1) {
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item1 = g_string_append (item1, *w2);
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first_word = g_string_append (first_word, *w2);
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}
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else {
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item1 = g_string_append_unichar (item1,
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g_utf8_get_char (*w2));
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item3 = g_string_append_unichar (item3,
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g_utf8_get_char (*w2));
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}
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/* not part of the last "toplevel" word */
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if (w1 != words1 + len - 1) {
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item2 = g_string_append_unichar (item2,
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g_utf8_get_char (*w2));
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item4 = g_string_append_unichar (item4,
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g_utf8_get_char (*w2));
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}
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/* always save current word so that we have it if last one reveals empty */
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last_word = g_string_append (last_word, *w2);
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}
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g_strfreev (words2);
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}
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item2 = g_string_append (item2, last_word->str);
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item3 = g_string_append (item3, first_word->str);
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item4 = g_string_prepend (item4, last_word->str);
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max_name_length = get_username_max_length ();
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g_string_truncate (first_word, max_name_length);
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g_string_truncate (last_word, max_name_length);
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g_string_truncate (item0, max_name_length);
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g_string_truncate (item1, max_name_length);
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g_string_truncate (item2, max_name_length);
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g_string_truncate (item3, max_name_length);
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g_string_truncate (item4, max_name_length);
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items = g_hash_table_new (g_str_hash, g_str_equal);
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in_use = is_username_used (item0->str);
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if (!in_use && !g_ascii_isdigit (item0->str[0])) {
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, item0->str, -1);
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g_hash_table_insert (items, item0->str, item0->str);
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}
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in_use = is_username_used (item1->str);
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same_as_initial = (g_strcmp0 (item0->str, item1->str) == 0);
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if (!same_as_initial && nwords2 > 0 && !in_use && !g_ascii_isdigit (item1->str[0])) {
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, item1->str, -1);
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g_hash_table_insert (items, item1->str, item1->str);
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}
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/* if there's only one word, would be the same as item1 */
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if (nwords2 > 1) {
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/* add other items */
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in_use = is_username_used (item2->str);
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if (!in_use && !g_ascii_isdigit (item2->str[0]) &&
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!g_hash_table_lookup (items, item2->str)) {
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, item2->str, -1);
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g_hash_table_insert (items, item2->str, item2->str);
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}
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in_use = is_username_used (item3->str);
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if (!in_use && !g_ascii_isdigit (item3->str[0]) &&
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!g_hash_table_lookup (items, item3->str)) {
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, item3->str, -1);
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g_hash_table_insert (items, item3->str, item3->str);
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}
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in_use = is_username_used (item4->str);
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if (!in_use && !g_ascii_isdigit (item4->str[0]) &&
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!g_hash_table_lookup (items, item4->str)) {
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, item4->str, -1);
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g_hash_table_insert (items, item4->str, item4->str);
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}
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/* add the last word */
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in_use = is_username_used (last_word->str);
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if (!in_use && !g_ascii_isdigit (last_word->str[0]) &&
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!g_hash_table_lookup (items, last_word->str)) {
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, last_word->str, -1);
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g_hash_table_insert (items, last_word->str, last_word->str);
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}
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/* ...and the first one */
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in_use = is_username_used (first_word->str);
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if (!in_use && !g_ascii_isdigit (first_word->str[0]) &&
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!g_hash_table_lookup (items, first_word->str)) {
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, 0, first_word->str, -1);
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g_hash_table_insert (items, first_word->str, first_word->str);
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}
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}
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g_hash_table_destroy (items);
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g_strfreev (words1);
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g_string_free (first_word, TRUE);
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g_string_free (last_word, TRUE);
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g_string_free (item0, TRUE);
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g_string_free (item1, TRUE);
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g_string_free (item2, TRUE);
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g_string_free (item3, TRUE);
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g_string_free (item4, TRUE);
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}
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static void
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static void
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local_name_entry_changed_cb (CcAddUserDialog *self)
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local_name_entry_changed_cb (CcAddUserDialog *self)
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{
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{
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@ -336,9 +336,13 @@ clear_entry_validation_error (GtkEntry *entry)
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* result in failure when running useradd. We could check UT_NAMESIZE instead,
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* result in failure when running useradd. We could check UT_NAMESIZE instead,
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* but that is nonstandard. Better to use POSIX utmpx.
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* but that is nonstandard. Better to use POSIX utmpx.
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*/
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*/
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#define MAXNAMELEN (sizeof (((struct utmpx *)NULL)->ut_user))
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gsize
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get_username_max_length (void)
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{
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return sizeof (((struct utmpx *)NULL)->ut_user);
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}
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static gboolean
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gboolean
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is_username_used (const gchar *username)
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is_username_used (const gchar *username)
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{
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{
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struct passwd *pwent;
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struct passwd *pwent;
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@ -397,7 +401,7 @@ is_valid_username (const gchar *username, gchar **tip)
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} else {
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} else {
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empty = FALSE;
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empty = FALSE;
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in_use = is_username_used (username);
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in_use = is_username_used (username);
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too_long = strlen (username) > MAXNAMELEN;
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too_long = strlen (username) > get_username_max_length ();
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}
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}
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valid = TRUE;
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valid = TRUE;
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@ -437,228 +441,3 @@ is_valid_username (const gchar *username, gchar **tip)
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return valid;
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return valid;
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}
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}
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void
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generate_username_choices (const gchar *name,
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GtkListStore *store)
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{
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gboolean in_use, same_as_initial;
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char *lc_name, *ascii_name, *stripped_name;
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char **words1;
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char **words2 = NULL;
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char **w1, **w2;
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char *c;
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char *unicode_fallback = "?";
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GString *first_word, *last_word;
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GString *item0, *item1, *item2, *item3, *item4;
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int len;
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int nwords1, nwords2, i;
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GHashTable *items;
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GtkTreeIter iter;
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gtk_list_store_clear (store);
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ascii_name = g_convert_with_fallback (name, -1, "ASCII//TRANSLIT", "UTF-8",
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unicode_fallback, NULL, NULL, NULL);
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lc_name = g_ascii_strdown (ascii_name, -1);
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/* Remove all non ASCII alphanumeric chars from the name,
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* apart from the few allowed symbols.
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*
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* We do remove '.', even though it is usually allowed,
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* since it often comes in via an abbreviated middle name,
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* and the dot looks just wrong in the proposals then.
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*/
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stripped_name = g_strnfill (strlen (lc_name) + 1, '\0');
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i = 0;
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for (c = lc_name; *c; c++) {
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if (!(g_ascii_isdigit (*c) || g_ascii_islower (*c) ||
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*c == ' ' || *c == '-' || *c == '_' ||
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/* used to track invalid words, removed below */
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*c == '?') )
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continue;
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stripped_name[i] = *c;
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i++;
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}
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if (strlen (stripped_name) == 0) {
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g_free (ascii_name);
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g_free (lc_name);
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g_free (stripped_name);
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return;
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}
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/* we split name on spaces, and then on dashes, so that we can treat
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* words linked with dashes the same way, i.e. both fully shown, or
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* both abbreviated
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*/
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words1 = g_strsplit_set (stripped_name, " ", -1);
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len = g_strv_length (words1);
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/* The default item is a concatenation of all words without ? */
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item0 = g_string_sized_new (strlen (stripped_name));
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g_free (ascii_name);
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g_free (lc_name);
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g_free (stripped_name);
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/* Concatenate the whole first word with the first letter of each
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* word (item1), and the last word with the first letter of each
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* word (item2). item3 and item4 are symmetrical respectively to
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* item1 and item2.
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*
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* Constant 5 is the max reasonable number of words we may get when
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* splitting on dashes, since we can't guess it at this point,
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* and reallocating would be too bad.
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*/
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item1 = g_string_sized_new (strlen (words1[0]) + len - 1 + 5);
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item3 = g_string_sized_new (strlen (words1[0]) + len - 1 + 5);
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item2 = g_string_sized_new (strlen (words1[len - 1]) + len - 1 + 5);
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item4 = g_string_sized_new (strlen (words1[len - 1]) + len - 1 + 5);
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/* again, guess at the max size of names */
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first_word = g_string_sized_new (20);
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last_word = g_string_sized_new (20);
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||||||
nwords1 = 0;
|
|
||||||
nwords2 = 0;
|
|
||||||
for (w1 = words1; *w1; w1++) {
|
|
||||||
if (strlen (*w1) == 0)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
/* skip words with string '?', most likely resulting
|
|
||||||
* from failed transliteration to ASCII
|
|
||||||
*/
|
|
||||||
if (strstr (*w1, unicode_fallback) != NULL)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
nwords1++; /* count real words, excluding empty string */
|
|
||||||
|
|
||||||
item0 = g_string_append (item0, *w1);
|
|
||||||
|
|
||||||
words2 = g_strsplit_set (*w1, "-", -1);
|
|
||||||
/* reset last word if a new non-empty word has been found */
|
|
||||||
if (strlen (*words2) > 0)
|
|
||||||
last_word = g_string_set_size (last_word, 0);
|
|
||||||
|
|
||||||
for (w2 = words2; *w2; w2++) {
|
|
||||||
if (strlen (*w2) == 0)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
nwords2++;
|
|
||||||
|
|
||||||
/* part of the first "toplevel" real word */
|
|
||||||
if (nwords1 == 1) {
|
|
||||||
item1 = g_string_append (item1, *w2);
|
|
||||||
first_word = g_string_append (first_word, *w2);
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
item1 = g_string_append_unichar (item1,
|
|
||||||
g_utf8_get_char (*w2));
|
|
||||||
item3 = g_string_append_unichar (item3,
|
|
||||||
g_utf8_get_char (*w2));
|
|
||||||
}
|
|
||||||
|
|
||||||
/* not part of the last "toplevel" word */
|
|
||||||
if (w1 != words1 + len - 1) {
|
|
||||||
item2 = g_string_append_unichar (item2,
|
|
||||||
g_utf8_get_char (*w2));
|
|
||||||
item4 = g_string_append_unichar (item4,
|
|
||||||
g_utf8_get_char (*w2));
|
|
||||||
}
|
|
||||||
|
|
||||||
/* always save current word so that we have it if last one reveals empty */
|
|
||||||
last_word = g_string_append (last_word, *w2);
|
|
||||||
}
|
|
||||||
|
|
||||||
g_strfreev (words2);
|
|
||||||
}
|
|
||||||
item2 = g_string_append (item2, last_word->str);
|
|
||||||
item3 = g_string_append (item3, first_word->str);
|
|
||||||
item4 = g_string_prepend (item4, last_word->str);
|
|
||||||
|
|
||||||
g_string_truncate (first_word, MAXNAMELEN);
|
|
||||||
g_string_truncate (last_word, MAXNAMELEN);
|
|
||||||
|
|
||||||
g_string_truncate (item0, MAXNAMELEN);
|
|
||||||
g_string_truncate (item1, MAXNAMELEN);
|
|
||||||
g_string_truncate (item2, MAXNAMELEN);
|
|
||||||
g_string_truncate (item3, MAXNAMELEN);
|
|
||||||
g_string_truncate (item4, MAXNAMELEN);
|
|
||||||
|
|
||||||
items = g_hash_table_new (g_str_hash, g_str_equal);
|
|
||||||
|
|
||||||
in_use = is_username_used (item0->str);
|
|
||||||
if (!in_use && !g_ascii_isdigit (item0->str[0])) {
|
|
||||||
gtk_list_store_append (store, &iter);
|
|
||||||
gtk_list_store_set (store, &iter, 0, item0->str, -1);
|
|
||||||
g_hash_table_insert (items, item0->str, item0->str);
|
|
||||||
}
|
|
||||||
|
|
||||||
in_use = is_username_used (item1->str);
|
|
||||||
same_as_initial = (g_strcmp0 (item0->str, item1->str) == 0);
|
|
||||||
if (!same_as_initial && nwords2 > 0 && !in_use && !g_ascii_isdigit (item1->str[0])) {
|
|
||||||
gtk_list_store_append (store, &iter);
|
|
||||||
gtk_list_store_set (store, &iter, 0, item1->str, -1);
|
|
||||||
g_hash_table_insert (items, item1->str, item1->str);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* if there's only one word, would be the same as item1 */
|
|
||||||
if (nwords2 > 1) {
|
|
||||||
/* add other items */
|
|
||||||
in_use = is_username_used (item2->str);
|
|
||||||
if (!in_use && !g_ascii_isdigit (item2->str[0]) &&
|
|
||||||
!g_hash_table_lookup (items, item2->str)) {
|
|
||||||
gtk_list_store_append (store, &iter);
|
|
||||||
gtk_list_store_set (store, &iter, 0, item2->str, -1);
|
|
||||||
g_hash_table_insert (items, item2->str, item2->str);
|
|
||||||
}
|
|
||||||
|
|
||||||
in_use = is_username_used (item3->str);
|
|
||||||
if (!in_use && !g_ascii_isdigit (item3->str[0]) &&
|
|
||||||
!g_hash_table_lookup (items, item3->str)) {
|
|
||||||
gtk_list_store_append (store, &iter);
|
|
||||||
gtk_list_store_set (store, &iter, 0, item3->str, -1);
|
|
||||||
g_hash_table_insert (items, item3->str, item3->str);
|
|
||||||
}
|
|
||||||
|
|
||||||
in_use = is_username_used (item4->str);
|
|
||||||
if (!in_use && !g_ascii_isdigit (item4->str[0]) &&
|
|
||||||
!g_hash_table_lookup (items, item4->str)) {
|
|
||||||
gtk_list_store_append (store, &iter);
|
|
||||||
gtk_list_store_set (store, &iter, 0, item4->str, -1);
|
|
||||||
g_hash_table_insert (items, item4->str, item4->str);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* add the last word */
|
|
||||||
in_use = is_username_used (last_word->str);
|
|
||||||
if (!in_use && !g_ascii_isdigit (last_word->str[0]) &&
|
|
||||||
!g_hash_table_lookup (items, last_word->str)) {
|
|
||||||
gtk_list_store_append (store, &iter);
|
|
||||||
gtk_list_store_set (store, &iter, 0, last_word->str, -1);
|
|
||||||
g_hash_table_insert (items, last_word->str, last_word->str);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* ...and the first one */
|
|
||||||
in_use = is_username_used (first_word->str);
|
|
||||||
if (!in_use && !g_ascii_isdigit (first_word->str[0]) &&
|
|
||||||
!g_hash_table_lookup (items, first_word->str)) {
|
|
||||||
gtk_list_store_append (store, &iter);
|
|
||||||
gtk_list_store_set (store, &iter, 0, first_word->str, -1);
|
|
||||||
g_hash_table_insert (items, first_word->str, first_word->str);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
g_hash_table_destroy (items);
|
|
||||||
g_strfreev (words1);
|
|
||||||
g_string_free (first_word, TRUE);
|
|
||||||
g_string_free (last_word, TRUE);
|
|
||||||
g_string_free (item0, TRUE);
|
|
||||||
g_string_free (item1, TRUE);
|
|
||||||
g_string_free (item2, TRUE);
|
|
||||||
g_string_free (item3, TRUE);
|
|
||||||
g_string_free (item4, TRUE);
|
|
||||||
}
|
|
||||||
|
|
|
||||||
|
|
@ -37,11 +37,10 @@ void set_entry_validation_error (GtkEntry *entry,
|
||||||
const gchar *text);
|
const gchar *text);
|
||||||
void clear_entry_validation_error (GtkEntry *entry);
|
void clear_entry_validation_error (GtkEntry *entry);
|
||||||
|
|
||||||
|
gsize get_username_max_length (void);
|
||||||
|
gboolean is_username_used (const gchar *username);
|
||||||
gboolean is_valid_name (const gchar *name);
|
gboolean is_valid_name (const gchar *name);
|
||||||
gboolean is_valid_username (const gchar *name,
|
gboolean is_valid_username (const gchar *name,
|
||||||
gchar **tip);
|
gchar **tip);
|
||||||
|
|
||||||
void generate_username_choices (const gchar *name,
|
|
||||||
GtkListStore *store);
|
|
||||||
|
|
||||||
G_END_DECLS
|
G_END_DECLS
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue