src/unit.h

   1 /*
   2  * Copyright (C) 1987-2008 Sun Microsystems, Inc. All Rights Reserved.
   3  * Copyright (C) 2008-2011 Robert Ancell.
   4  *
   5  * This program is free software: you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License as published by the Free Software
   7  * Foundation, either version 2 of the License, or (at your option) any later
   8  * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
   9  * license.
  10  */
  11
  12 #ifndef UNIT_H
  13 #define UNIT_H
  14
  15 #include <glib-object.h>
  16 #include "mp.h"
  17
  18 G_BEGIN_DECLS
  19
  20 #define UNIT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), unit_get_type(), Unit))
  21
  22 typedef struct UnitPrivate UnitPrivate;
  23
  24 typedef struct
  25 {
  26     GObject parent_instance;
  27     UnitPrivate *priv;
  28 } Unit;
  29
  30 typedef struct
  31 {
  32     GObjectClass parent_class;
  33 } UnitClass;
  34
  35 GType unit_get_type(void);
  36
  37 Unit *unit_new(const gchar *name,
  38                const gchar *display_name,
  39                const gchar *format,
  40                const gchar *from_function,
  41                const gchar *to_function,
  42                const gchar *symbols);
  43
  44 const gchar *unit_get_name(Unit *unit);
  45
  46 const gchar *unit_get_display_name(Unit *unit);
  47
  48 gboolean unit_matches_symbol(Unit *unit, const gchar *symbol);
  49
  50 const GList *unit_get_symbols(Unit *unit);
  51
  52 gboolean unit_convert_from(Unit *unit, const MPNumber *x, MPNumber *z);
  53
  54 gboolean unit_convert_to(Unit *unit, const MPNumber *x, MPNumber *z);
  55
  56 gchar *unit_format(Unit *unit, MPNumber *x);
  57
  58 G_END_DECLS
  59
  60 #endif /* UNIT_H */