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cssprovider: Have a section on import error

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When loading a nonexisting CSS file using
gtk_css_provider_load_from_file() or gtk_css_provider_load_from_path()
we would emit the error using a NULL scanner. Don't do that, because
we'll have a NULL section in that case and error handlers don't like
that.

Testcase attached.

https://bugzilla.redhat.com/show_bug.cgi?id=1277959
This commit is contained in:
Benjamin Otte 2015-11-16 17:36:50 +01:00
parent 81cb57b260
commit 0a4e88b79b
2 changed files with 27 additions and 8 deletions
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22
gtk/gtkcssprovider.c
View File

@ -1943,6 +1943,9 @@ gtk_css_provider_error (GtkCssProvider *provider,
GError *error;
va_list args;
gtk_internal_return_if_fail (GTK_IS_CSS_PROVIDER (provider));
gtk_internal_return_if_fail (scanner != NULL);
va_start (args, format);
error = g_error_new_valist (domain, code, format, args);
va_end (args);
@ -2725,21 +2728,24 @@ gtk_css_provider_load_internal (GtkCssProvider *css_provider,
}
else
{
GtkCssSection *section;
if (parent)
section = gtk_css_section_ref (parent->section);
else
section = _gtk_css_section_new_for_file (GTK_CSS_SECTION_DOCUMENT, file);
scanner = gtk_css_scanner_new (css_provider,
parent,
parent ? parent->section : NULL,
file,
"");
gtk_css_scanner_push_section (scanner, GTK_CSS_SECTION_DOCUMENT);
gtk_css_provider_error (css_provider,
parent,
scanner,
GTK_CSS_PROVIDER_ERROR,
GTK_CSS_PROVIDER_ERROR_IMPORT,
"Failed to import: %s",
load_error->message);
gtk_css_section_unref (section);
gtk_css_scanner_pop_section (scanner, GTK_CSS_SECTION_DOCUMENT);
gtk_css_scanner_destroy (scanner);
}
}

13
testsuite/gtk/cssprovider.c
View File

@ -50,6 +50,18 @@ G_GNUC_END_IGNORE_DEPRECATIONS;
g_object_unref (provider);
}
static void
test_section_load_nonexisting_file (void)
{
GtkCssProvider *provider;
provider = gtk_css_provider_new ();
g_signal_connect (provider, "parsing-error",
G_CALLBACK (assert_section_is_not_null), NULL);
gtk_css_provider_load_from_path (provider, "this/path/does/absolutely/not/exist.css", NULL);
g_object_unref (provider);
}
int
main (int argc, char *argv[])
{
@ -58,6 +70,7 @@ main (int argc, char *argv[])
g_test_add_func ("/cssprovider/section-in-load-from-data", test_section_in_load_from_data);
g_test_add_func ("/cssprovider/section-in-style-property", test_section_in_style_property);
g_test_add_func ("/cssprovider/load-nonexisting-file", test_section_load_nonexisting_file);
return g_test_run ();
}