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added gst_util_set_value_from_string.

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Original commit message from CVS:
added gst_util_set_value_from_string.
this could probably be refactored with gst_util_set_object_arg at a later date.
This commit is contained in:
Steve Baker 2002-03-03 18:41:25 +00:00
parent 80a3504797
commit e10f510ce2
2 changed files with 83 additions and 1 deletions
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82
gst/gstutils.c
View file

@ -247,6 +247,88 @@ gst_util_dump_mem (guchar * mem, guint size)
g_print ("\n");
}
/**
* gst_util_set_value_from_string:
* @value: the value to set
* @value_str: the string to get the value from
*
* Converts the string to the type of the value and
* sets the value with it.
*/
void
gst_util_set_value_from_string(GValue *value, const gchar *value_str)
{
g_return_if_fail(value != NULL);
g_return_if_fail(value_str != NULL);
GST_DEBUG(GST_CAT_PARAMS, "parsing '%s' to type %s\n", value_str, g_type_name(G_VALUE_TYPE(value)));
switch (G_VALUE_TYPE(value)) {
case G_TYPE_STRING:
g_value_set_string(value, g_strdup(value_str));
break;
case G_TYPE_ENUM:
case G_TYPE_INT: {
gint i;
sscanf (value_str, "%d", &i);
g_value_set_int(value, i);
break;
}
case G_TYPE_UINT: {
guint i;
sscanf (value_str, "%u", &i);
g_value_set_uint(value, i);
break;
}
case G_TYPE_LONG: {
glong i;
sscanf (value_str, "%ld", &i);
g_value_set_long(value, i);
break;
}
case G_TYPE_ULONG: {
gulong i;
sscanf (value_str, "%lu", &i);
g_value_set_ulong(value, i);
break;
}
case G_TYPE_BOOLEAN: {
gboolean i = FALSE;
if (!strncmp ("true", value_str, 4)) i = TRUE;
g_value_set_boolean(value, i);
break;
}
case G_TYPE_CHAR: {
gchar i;
sscanf (value_str, "%c", &i);
g_value_set_char(value, i);
break;
}
case G_TYPE_UCHAR: {
guchar i;
sscanf (value_str, "%c", &i);
g_value_set_uchar(value, i);
break;
}
case G_TYPE_FLOAT: {
gfloat i;
sscanf (value_str, "%f", &i);
g_value_set_float(value, i);
break;
}
case G_TYPE_DOUBLE: {
gfloat i;
sscanf (value_str, "%g", &i);
g_value_set_double(value, (gdouble)i);
break;
}
default:
break;
}
}
/**
* gst_util_set_object_arg:
* @object: the object to set the argument of

2
gst/gstutils.h
View file

@ -42,7 +42,7 @@ gdouble gst_util_get_double_arg (GObject *object, const gchar *argname);
const gchar* gst_util_get_string_arg (GObject *object, const gchar *argname);
gpointer gst_util_get_pointer_arg (GObject *object, const gchar *argname);
/*GtkWidget* gst_util_get_widget_property (GObject *object, const gchar *argname);*/
void gst_util_set_value_from_string(GValue *value, const gchar *value_str);
void gst_util_set_object_arg (GObject *object, const gchar *name, const gchar *value);
void gst_util_dump_mem (guchar *mem, guint size);