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/* Fo
* fo-libfo-module.c: Formatting object that is module of possible fo:libfo
*
* Copyright (C) 2003 Sun Microsystems
* Copyright (C) 2007 Menteith Consulting Ltd
*
* See COPYING for the status of this software.
*/
#include "fo-libfo-module-private.h"
#include "fo-libfo.h"
enum {
PROP_0
};
static void fo_libfo_module_base_init (FoLibfoModuleClass *klass);
static gint _version_default (void);
static const gchar * _version_string_default (void);
static const LibfoVersionInfo * _version_info_default (void);
GType
fo_libfo_module_get_type (void)
{
static GType object_type = 0;
if (!object_type)
{
static const GTypeInfo object_info =
{
sizeof (FoLibfoModuleClass),
(GBaseInitFunc) fo_libfo_module_base_init,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) NULL,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (FoLibfoModule),
0, /* n_preallocs */
NULL, /* instance_init */
NULL /* value_table */
};
object_type = g_type_register_static (FO_TYPE_OBJECT,
"FoLibfoModule",
&object_info,
G_TYPE_FLAG_ABSTRACT);
}
return object_type;
}
/**
* fo_libfo_module_base_init:
* @klass: #FoLibfoModuleClass base class object to initialise.
*
* Implements #GBaseInitFunc for #FoLibfoModuleClass.
**/
void
fo_libfo_module_base_init (FoLibfoModuleClass *klass)
{
klass->version = _version_default;
klass->version_string = _version_string_default;
klass->version_info = _version_info_default;
}
gint
_version_default ()
{
return 0;
}
/**
* fo_libfo_module_version_from_name:
* @name: Registered #FoObject type name, e.g., "FoDocCairo"
*
* Gets the runtime version of the library underlying the
* #FoLibfoModule implementation.
*
* This function just returns what the underlying library provides, if
* anything, so version numbers can only meaningfully be compared
* against version numbers of the same library implementation.
*
* Returns: Library version, or 0 if the underlying library does not
* make its version number available at runtime
**/
gint
fo_libfo_module_version_from_name (const gchar *name)
{
g_return_val_if_fail (name != NULL, 0);
gint version = 0;
GType type = g_type_from_name (name);
if (g_type_is_a (type, fo_libfo_module_get_type ()))
{
gpointer klass = g_type_class_ref (type);
version =
((FoLibfoModuleClass *) klass)->version ();
g_type_class_unref (klass);
}
return version;
}
const gchar *
_version_string_default ()
{
return NULL;
}
/**
* fo_libfo_module_version_string_from_name:
* @name: Registered #FoObject type name, e.g., "FoDocCairo"
*
* Gets the runtime version of the library underlying the
* #FoLibfoModule implementation as a human-readable string.
*
* The string is likely to be of the form "X.Y.Z", e.g., "1.0.0", but
* this function just returns what the underlying library provides, so
* nothing is guaranteed.
*
* Returns: Library version, or %NULL if the underlying library does
* not make its version number available at runtime
**/
const gchar *
fo_libfo_module_version_string_from_name (const gchar *name)
{
g_return_val_if_fail (name != NULL, NULL);
const gchar *version = NULL;
GType type = g_type_from_name (name);
if (g_type_is_a (type, fo_libfo_module_get_type ()))
{
gpointer klass = g_type_class_ref (type);
version =
((FoLibfoModuleClass *) klass)->version_string ();
g_type_class_unref (klass);
}
return version;
}
const LibfoVersionInfo *
_version_info_default ()
{
return NULL;
}
/**
* fo_libfo_module_version_info_from_name:
* @name: Registered #FoObject type name, e.g., "FoDocCairo"
*
* Gets the #LibfoVersionInfo for
*
* Returns:
**/
const LibfoVersionInfo *
fo_libfo_module_version_info_from_name (const gchar *name)
{
g_return_val_if_fail (name != NULL, NULL);
const LibfoVersionInfo *version_info = NULL;
GType type = g_type_from_name (name);
if (g_type_is_a (type, fo_libfo_module_get_type ()))
{
gpointer klass = g_type_class_ref (type);
version_info =
((FoLibfoModuleClass *) klass)->version_info ();
g_type_class_unref (klass);
}
return version_info;
}
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