/* * Copyright (C) 1987-2008 Sun Microsystems, Inc. All Rights Reserved. * Copyright (C) 2008-2011 Robert Ancell. * * This program is free software: you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation, either version 2 of the License, or (at your option) any later * version. See http://www.gnu.org/copyleft/gpl.html the full text of the * license. */ #include <string.h> #include "unit-category.h" struct UnitCategoryPrivate { gchar *name; gchar *display_name; GList *units; }; G_DEFINE_TYPE (UnitCategory, unit_category, G_TYPE_OBJECT); UnitCategory * unit_category_new(const gchar *name, const gchar *display_name) { UnitCategory *category = g_object_new(unit_category_get_type(), NULL); category->priv->name = g_strdup(name); category->priv->display_name = g_strdup(display_name); return category; } const gchar * unit_category_get_name(UnitCategory *category) { g_return_val_if_fail (category != NULL, NULL); return category->priv->name; } const gchar * unit_category_get_display_name(UnitCategory *category) { g_return_val_if_fail (category != NULL, NULL); return category->priv->display_name; } void unit_category_add_unit(UnitCategory *category, Unit *unit) { g_return_if_fail (category != NULL); g_return_if_fail (unit != NULL); category->priv->units = g_list_append(category->priv->units, g_object_ref(unit)); } Unit * unit_category_get_unit_by_name(UnitCategory *category, const gchar *name) { GList *iter; g_return_val_if_fail (category != NULL, NULL); g_return_val_if_fail (name != NULL, NULL); for (iter = category->priv->units; iter; iter = iter->next) { Unit *unit = iter->data; if (strcmp(unit_get_name(unit), name) == 0) return unit; } return NULL; } Unit * unit_category_get_unit_by_symbol(UnitCategory *category, const gchar *symbol) { GList *iter; g_return_val_if_fail (category != NULL, NULL); g_return_val_if_fail (symbol != NULL, NULL); for (iter = category->priv->units; iter; iter = iter->next) { Unit *unit = iter->data; if (unit_matches_symbol(unit, symbol)) return unit; } return NULL; } const GList * unit_category_get_units(UnitCategory *category) { g_return_val_if_fail (category != NULL, NULL); return category->priv->units; } gboolean unit_category_convert(UnitCategory *category, const MPNumber *x, Unit *x_units, Unit *z_units, MPNumber *z) { MPNumber t; g_return_val_if_fail (category != NULL, FALSE); g_return_val_if_fail (x_units != NULL, FALSE); g_return_val_if_fail (z_units != NULL, FALSE); g_return_val_if_fail (z != NULL, FALSE); if (!unit_convert_from(x_units, x, &t)) return FALSE; if (!unit_convert_to(z_units, &t, z)) return FALSE; return TRUE; } static void unit_category_class_init(UnitCategoryClass *klass) { g_type_class_add_private(klass, sizeof(UnitCategoryPrivate)); } static void unit_category_init(UnitCategory *category) { category->priv = G_TYPE_INSTANCE_GET_PRIVATE(category, unit_category_get_type(), UnitCategoryPrivate); }