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tag: fix compilation of new licenses code with GLib versions < 2.28

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Add local g_variant_lookup_value() fallback for now when compiling
against older GLib versions.
This commit is contained in:
Tim-Philipp Müller 2011-08-10 15:06:59 +01:00
parent 3e34c2da1c
commit 12ab3c9204
1 changed files with 58 additions and 0 deletions
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58
gst-libs/gst/tag/licenses.c
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@ -114,6 +114,64 @@ gst_tag_get_license_translations_dictionary (void)
#endif
#ifdef ENABLE_NLS
#if !GLIB_CHECK_VERSION(2,28,0)
static GVariant *
gst_g_variant_lookup_value (GVariant * dictionary, const gchar * key,
const GVariantType * expected_type)
{
GVariantIter iter;
GVariant *entry;
GVariant *value;
GST_ERROR ("here, using fallback");
g_assert (g_variant_is_of_type (dictionary, G_VARIANT_TYPE ("a{s*}")));
g_assert (expected_type != NULL);
g_variant_iter_init (&iter, dictionary);
while ((entry = g_variant_iter_next_value (&iter))) {
GVariant *entry_key;
gboolean matches;
entry_key = g_variant_get_child_value (entry, 0);
matches = strcmp (g_variant_get_string (entry_key, NULL), key) == 0;
g_variant_unref (entry_key);
if (matches)
break;
g_variant_unref (entry);
}
if (entry == NULL)
return NULL;
value = g_variant_get_child_value (entry, 1);
g_variant_unref (entry);
if (g_variant_is_of_type (value, G_VARIANT_TYPE_VARIANT)) {
GVariant *tmp;
tmp = g_variant_get_variant (value);
g_variant_unref (value);
if (expected_type && !g_variant_is_of_type (tmp, expected_type)) {
g_variant_unref (tmp);
tmp = NULL;
}
value = tmp;
}
g_assert (value == NULL || g_variant_is_of_type (value, expected_type));
return value;
}
#define g_variant_lookup_value gst_g_variant_lookup_value
#endif /* !GLIB_CHECK_VERSION(2,28,0) */
static gboolean
gst_variant_lookup_string_value (GVariant * dict, const gchar * lang,
const gchar ** translation)