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45fb71949a
Wed Mar 14 18:46:54 2001 Tim Janik <timj@gtk.org>
* gscanner.[hc]: removed archaic gpointer derived_data; relict and
added a GData member instead.
* glist.[hc]: added g_list_remove_all().
* gslist.[hc]: added g_slist_remove_all().
Sat Mar 17 23:18:36 2001 Tim Janik <timj@gtk.org>
* gobject.c (g_object_get_property): minor bug-fix.
* gbsearcharray.[hc]: provide a macro for static initialization and
functions g_bsearch_array_new() and g_bsearch_array_destroy() for
dynamic allocations.
* gboxed.c: introduce G_TYPE_GSTRING, boxed type for GString.
* gclosure.[hc]: naming corrections.
Fri Mar 9 16:42:08 2001 Tim Janik <timj@gtk.org>
* gvaluetypes.[hc]: moved g_strdup_value_contents() into this file as
a public function (was static in gobject.c before). it's a bit odd
to have that function here, especially since it requires extra includes,
but then it doesn't very well fit somewhere else either.
* gparamspecs.c: added default/max/min checks to param spec creation
functions.
151 lines
5.3 KiB
C
151 lines
5.3 KiB
C
/* GObject - GLib Type, Object, Parameter and Signal Library
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* Copyright (C) 1998-1999, 2000-2001 Tim Janik and Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* gvaluecollector.h: GValue varargs stubs
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*/
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#ifndef __G_VALUE_COLLECTOR_H__
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#define __G_VALUE_COLLECTOR_H__
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G_BEGIN_DECLS
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/* we may want to add aggregate types here some day, if requested
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* by users. the basic C types are covered already, everything
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* smaller than an int is promoted to an integer and floats are
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* always promoted to doubles for varargs call constructions.
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*/
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enum /*< skip >*/
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{
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G_VALUE_COLLECT_INT = 'i',
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G_VALUE_COLLECT_LONG = 'l',
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G_VALUE_COLLECT_DOUBLE = 'd',
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G_VALUE_COLLECT_POINTER = 'p'
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};
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/* vararg union holding actuall values collected
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*/
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union _GTypeCValue
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{
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gint v_int;
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glong v_long;
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gdouble v_double;
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gpointer v_pointer;
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};
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/* G_VALUE_COLLECT() collects a variable argument value
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* from a va_list. we have to implement the varargs collection as a
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* macro, because on some systems va_list variables cannot be passed
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* by reference.
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* value is supposed to be initialized according to the value
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* type to be collected.
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* var_args is the va_list variable and may be evaluated multiple times.
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* __error is a gchar** variable that will be modified to hold a g_new()
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* allocated error messages if something fails.
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*/
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#define G_VALUE_COLLECT(value, var_args, flags, __error) \
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G_STMT_START { \
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GValue *_value = (value); \
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guint _flags = (flags); \
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GType _value_type = G_VALUE_TYPE (_value); \
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GTypeValueTable *_vtable = g_type_value_table_peek (_value_type); \
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gchar *_collect_format = _vtable->collect_format; \
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GTypeCValue _cvalues[G_VALUE_COLLECT_FORMAT_MAX_LENGTH] = { { 0, }, }; \
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guint _n_values = 0; \
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\
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if (_vtable->value_free) \
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_vtable->value_free (_value); \
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_value->g_type = _value_type; /* value_meminit() from gvalue.c */ \
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memset (_value->data, 0, sizeof (_value->data)); \
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while (*_collect_format) \
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{ \
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GTypeCValue *_cvalue = _cvalues + _n_values++; \
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\
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switch (*_collect_format++) \
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{ \
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case G_VALUE_COLLECT_INT: \
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_cvalue->v_int = va_arg ((var_args), gint); \
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break; \
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case G_VALUE_COLLECT_LONG: \
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_cvalue->v_long = va_arg ((var_args), glong); \
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break; \
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case G_VALUE_COLLECT_DOUBLE: \
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_cvalue->v_double = va_arg ((var_args), gdouble); \
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break; \
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case G_VALUE_COLLECT_POINTER: \
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_cvalue->v_pointer = va_arg ((var_args), gpointer); \
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break; \
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default: \
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g_assert_not_reached (); \
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} \
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} \
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*(__error) = _vtable->collect_value (_value, \
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_n_values, \
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_cvalues, \
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_flags); \
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} G_STMT_END
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/* G_VALUE_LCOPY() collects a value's variable argument
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* locations from a va_list. usage is analogous to G_VALUE_COLLECT().
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*/
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#define G_VALUE_LCOPY(value, var_args, flags, __error) \
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G_STMT_START { \
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const GValue *_value = (value); \
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guint _flags = (flags); \
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GType _value_type = G_VALUE_TYPE (_value); \
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GTypeValueTable *_vtable = g_type_value_table_peek (_value_type); \
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gchar *_lcopy_format = _vtable->lcopy_format; \
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GTypeCValue _cvalues[G_VALUE_COLLECT_FORMAT_MAX_LENGTH] = { { 0, }, }; \
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guint _n_values = 0; \
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\
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while (*_lcopy_format) \
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{ \
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GTypeCValue *_cvalue = _cvalues + _n_values++; \
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\
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switch (*_lcopy_format++) \
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{ \
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case G_VALUE_COLLECT_INT: \
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_cvalue->v_int = va_arg ((var_args), gint); \
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break; \
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case G_VALUE_COLLECT_LONG: \
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_cvalue->v_long = va_arg ((var_args), glong); \
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break; \
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case G_VALUE_COLLECT_DOUBLE: \
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_cvalue->v_double = va_arg ((var_args), gdouble); \
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break; \
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case G_VALUE_COLLECT_POINTER: \
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_cvalue->v_pointer = va_arg ((var_args), gpointer); \
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break; \
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default: \
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g_assert_not_reached (); \
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} \
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} \
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*(__error) = _vtable->lcopy_value (_value, \
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_n_values, \
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_cvalues, \
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_flags); \
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} G_STMT_END
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#define G_VALUE_COLLECT_FORMAT_MAX_LENGTH (8)
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G_END_DECLS
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#endif /* __G_VALUE_COLLECTOR_H__ */
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