glib/goption.h

   1 /* goption.h - Option parser
   2  *
   3  *  Copyright (C) 2004  Anders Carlsson <andersca@gnome.org>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifndef __G_OPTION_H__
  22 #define __G_OPTION_H__
  23
  24 #include <glib/gerror.h>
  25 #include <glib/gquark.h>
  26
  27 G_BEGIN_DECLS
  28
  29 typedef struct _GOptionContext GOptionContext;
  30 typedef struct _GOptionGroup   GOptionGroup;
  31 typedef struct _GOptionEntry   GOptionEntry;
  32
  33 typedef enum
  34 {
  35   G_OPTION_FLAG_HIDDEN          = 1 << 0,
  36   G_OPTION_FLAG_IN_MAIN         = 1 << 1,
  37   G_OPTION_FLAG_REVERSE         = 1 << 2,
  38   G_OPTION_FLAG_NO_ARG          = 1 << 3,
  39   G_OPTION_FLAG_FILENAME        = 1 << 4,
  40   G_OPTION_FLAG_OPTIONAL_ARG    = 1 << 5,
  41   G_OPTION_FLAG_NOALIAS         = 1 << 6
  42 } GOptionFlags;
  43
  44 typedef enum
  45 {
  46   G_OPTION_ARG_NONE,
  47   G_OPTION_ARG_STRING,
  48   G_OPTION_ARG_INT,
  49   G_OPTION_ARG_CALLBACK,
  50   G_OPTION_ARG_FILENAME,
  51   G_OPTION_ARG_STRING_ARRAY,
  52   G_OPTION_ARG_FILENAME_ARRAY,
  53   G_OPTION_ARG_DOUBLE
  54 } GOptionArg;
  55
  56 typedef gboolean (*GOptionArgFunc) (const gchar    *option_name,
  57                                     const gchar    *value,
  58                                     gpointer        data,
  59                                     GError        **error);
  60
  61 typedef gboolean (*GOptionParseFunc) (GOptionContext *context,
  62                                       GOptionGroup   *group,
  63                                       gpointer        data,
  64                                       GError        **error);
  65
  66 typedef void (*GOptionErrorFunc) (GOptionContext *context,
  67                                   GOptionGroup   *group,
  68                                   gpointer        data,
  69                                   GError        **error);
  70
  71 #define G_OPTION_ERROR (g_option_error_quark ())
  72
  73 typedef enum
  74 {
  75   G_OPTION_ERROR_UNKNOWN_OPTION,
  76   G_OPTION_ERROR_BAD_VALUE,
  77   G_OPTION_ERROR_FAILED
  78 } GOptionError;
  79
  80 GQuark g_option_error_quark (void);
  81
  82
  83 struct _GOptionEntry
  84 {
  85   const gchar *long_name;
  86   gchar        short_name;
  87   gint         flags;
  88
  89   GOptionArg   arg;
  90   gpointer     arg_data;
  91
  92   const gchar *description;
  93   const gchar *arg_description;
  94 };
  95
  96 #define G_OPTION_REMAINING ""
  97
  98 GOptionContext *g_option_context_new              (const gchar         *parameter_string);
  99 void            g_option_context_free             (GOptionContext      *context);
 100 void            g_option_context_set_help_enabled (GOptionContext      *context,
 101                                                    gboolean             help_enabled);
 102 gboolean        g_option_context_get_help_enabled (GOptionContext      *context);
 103 void            g_option_context_set_ignore_unknown_options (GOptionContext *context,
 104                                                              gboolean        ignore_unknown);
 105 gboolean        g_option_context_get_ignore_unknown_options (GOptionContext *context);
 106
 107 void            g_option_context_add_main_entries (GOptionContext      *context,
 108                                                    const GOptionEntry  *entries,
 109                                                    const gchar         *translation_domain);
 110 gboolean        g_option_context_parse            (GOptionContext      *context,
 111                                                    gint                *argc,
 112                                                    gchar             ***argv,
 113                                                    GError             **error);
 114
 115 void          g_option_context_add_group      (GOptionContext *context,
 116                                                GOptionGroup   *group);
 117 void          g_option_context_set_main_group (GOptionContext *context,
 118                                                GOptionGroup   *group);
 119 GOptionGroup *g_option_context_get_main_group (GOptionContext *context);
 120
 121
 122 GOptionGroup *g_option_group_new                    (const gchar        *name,
 123                                                      const gchar        *description,
 124                                                      const gchar        *help_description,
 125                                                      gpointer            user_data,
 126                                                      GDestroyNotify      destroy);
 127 void          g_option_group_set_parse_hooks        (GOptionGroup       *group,
 128                                                      GOptionParseFunc    pre_parse_func,
 129                                                      GOptionParseFunc    post_parse_func);
 130 void          g_option_group_set_error_hook         (GOptionGroup       *group,
 131                                                      GOptionErrorFunc    error_func);
 132 void          g_option_group_free                   (GOptionGroup       *group);
 133 void          g_option_group_add_entries            (GOptionGroup       *group,
 134                                                      const GOptionEntry *entries);
 135 void          g_option_group_set_translate_func     (GOptionGroup       *group,
 136                                                      GTranslateFunc      func,
 137                                                      gpointer            data,
 138                                                      GDestroyNotify      destroy_notify);
 139 void          g_option_group_set_translation_domain (GOptionGroup       *group,
 140                                                      const gchar        *domain);
 141
 142
 143 G_END_DECLS
 144
 145 #endif /* __G_OPTION_H__ */