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       1                 :            : /*
       2                 :            :  * gnome-keyring
       3                 :            :  *
       4                 :            :  * Copyright (C) 2011 Collabora Ltd
       5                 :            :  *
       6                 :            :  * This program is free software; you can redistribute it and/or modify
       7                 :            :  * it under the terms of the GNU Lesser General Public License as
       8                 :            :  * published by the Free Software Foundation; either version 2.1 of
       9                 :            :  * the License, or (at your option) any later version.
      10                 :            :  *
      11                 :            :  * This program is distributed in the hope that it will be useful, but
      12                 :            :  * WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14                 :            :  * Lesser General Public License for more details.
      15                 :            :  *
      16                 :            :  * You should have received a copy of the GNU Lesser General Public
      17                 :            :  * License along with this program; if not, see <http://www.gnu.org/licenses/>.
      18                 :            :  *
      19                 :            :  * Author: Stef Walter <stefw@collabora.co.uk>
      20                 :            :  */
      21                 :            : 
      22                 :            : #include "config.h"
      23                 :            : 
      24                 :            : #include "gcr-util.h"
      25                 :            : 
      26                 :            : #include <string.h>
      27                 :            : 
      28                 :            : /**
      29                 :            :  * _gcr_util_parse_lines:
      30                 :            :  * @string: The string to parse lines from, will be modified
      31                 :            :  * @last_line: Whether or not we should run for last line or not
      32                 :            :  * @callback: Call for each line
      33                 :            :  * @user_data: Data for callback
      34                 :            :  *
      35                 :            :  * Calls callback for each line. If last_line, also sends the remainder
      36                 :            :  * data that comes after the last line break. \n and \r\n are line separators.
      37                 :            :  * Neither are included in data passed to callback.
      38                 :            :  */
      39                 :            : void
      40                 :          9 : _gcr_util_parse_lines (GString *string, gboolean last_line,
      41                 :            :                        GcrLineCallback callback, gpointer user_data)
      42                 :            : {
      43                 :            :         gchar *ptr;
      44                 :            :         gchar *prev;
      45                 :            : 
      46         [ -  + ]:          9 :         g_return_if_fail (string);
      47         [ -  + ]:          9 :         g_return_if_fail (callback);
      48                 :            : 
      49                 :            :         /* Print all stderr lines as messages */
      50         [ +  + ]:         24 :         while ((ptr = strchr (string->str, '\n')) != NULL) {
      51                 :         15 :                 *ptr = '\0';
      52         [ +  + ]:         15 :                 if (ptr != string->str) {
      53                 :         13 :                         prev = ptr - 1;
      54         [ +  + ]:         13 :                         if (*prev == '\r')
      55                 :          3 :                                 *prev = '\0';
      56                 :            :                 }
      57                 :            : 
      58                 :         15 :                 (callback) (string->str, user_data);
      59                 :         15 :                 g_string_erase (string, 0, ptr - string->str + 1);
      60                 :            :         }
      61                 :            : 
      62   [ +  +  +  - ]:          9 :         if (last_line && string->len) {
      63                 :          2 :                 (callback) (string->str, user_data);
      64                 :          2 :                 g_string_erase (string, 0, string->len);
      65                 :            :         }
      66                 :            : }