1 | /* Copyright 2015 Red Hat, Inc. |
2 | * |
3 | * GTK+ is free software; you can redistribute it and/or modify it |
4 | * under the terms of the GNU Lesser General Public License as |
5 | * published by the Free Software Foundation; either version 2 of the |
6 | * License, or (at your option) any later version. |
7 | * |
8 | * GLib is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 | * Lesser General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with GTK+; see the file COPYING. If not, |
15 | * see <http://www.gnu.org/licenses/>. |
16 | * |
17 | * Author: Matthias Clasen |
18 | */ |
19 | |
20 | #include <stdlib.h> |
21 | #include <string.h> |
22 | #include <errno.h> |
23 | |
24 | #include <glib/gi18n.h> |
25 | #include <glib/gprintf.h> |
26 | #include <glib/gstdio.h> |
27 | #include <gtk/gtk.h> |
28 | #include "gtkbuilderprivate.h" |
29 | #include "gtk-builder-tool.h" |
30 | |
31 | static GType |
32 | make_fake_type (const char *type_name, |
33 | const char *parent_name) |
34 | { |
35 | GType parent_type; |
36 | GTypeQuery query; |
37 | |
38 | parent_type = g_type_from_name (name: parent_name); |
39 | if (parent_type == G_TYPE_INVALID) |
40 | { |
41 | g_printerr (format: "Failed to lookup template parent type %s\n" , parent_name); |
42 | exit (status: 1); |
43 | } |
44 | |
45 | g_type_query (type: parent_type, query: &query); |
46 | return g_type_register_static_simple (parent_type, |
47 | type_name, |
48 | class_size: query.class_size, |
49 | NULL, |
50 | instance_size: query.instance_size, |
51 | NULL, |
52 | flags: 0); |
53 | } |
54 | |
55 | static void |
56 | do_validate_template (const char *filename, |
57 | const char *type_name, |
58 | const char *parent_name) |
59 | { |
60 | GType template_type; |
61 | GObject *object; |
62 | GtkBuilder *builder; |
63 | GError *error = NULL; |
64 | int ret; |
65 | |
66 | /* Only make a fake type if it doesn't exist yet. |
67 | * This lets us e.g. validate the GtkFileChooserWidget template. |
68 | */ |
69 | template_type = g_type_from_name (name: type_name); |
70 | if (template_type == G_TYPE_INVALID) |
71 | template_type = make_fake_type (type_name, parent_name); |
72 | |
73 | object = g_object_new (object_type: template_type, NULL); |
74 | if (!object) |
75 | { |
76 | g_printerr (format: "Failed to create an instance of the template type %s\n" , type_name); |
77 | exit (status: 1); |
78 | } |
79 | |
80 | builder = gtk_builder_new (); |
81 | ret = gtk_builder_extend_with_template (builder, object , template_type, buffer: " " , length: 1, error: &error); |
82 | if (ret) |
83 | ret = gtk_builder_add_from_file (builder, filename, error: &error); |
84 | g_object_unref (object: builder); |
85 | |
86 | if (ret == 0) |
87 | { |
88 | g_printerr (format: "%s\n" , error->message); |
89 | exit (status: 1); |
90 | } |
91 | } |
92 | |
93 | static gboolean |
94 | parse_template_error (const char *message, |
95 | char **class_name, |
96 | char **parent_name) |
97 | { |
98 | char *p; |
99 | |
100 | p = strstr (haystack: message, needle: "(class '" ); |
101 | if (p) |
102 | { |
103 | *class_name = g_strdup (str: p + strlen (s: "(class '" )); |
104 | p = strstr (haystack: *class_name, needle: "'" ); |
105 | if (p) |
106 | *p = '\0'; |
107 | } |
108 | p = strstr (haystack: message, needle: ", parent '" ); |
109 | if (p) |
110 | { |
111 | *parent_name = g_strdup (str: p + strlen (s: ", parent '" )); |
112 | p = strstr (haystack: *parent_name, needle: "'" ); |
113 | if (p) |
114 | *p = '\0'; |
115 | } |
116 | |
117 | return TRUE; |
118 | } |
119 | |
120 | static gboolean |
121 | validate_file (const char *filename) |
122 | { |
123 | GtkBuilder *builder; |
124 | GError *error = NULL; |
125 | int ret; |
126 | char *class_name = NULL; |
127 | char *parent_name = NULL; |
128 | |
129 | builder = gtk_builder_new (); |
130 | ret = gtk_builder_add_from_file (builder, filename, error: &error); |
131 | g_object_unref (object: builder); |
132 | |
133 | if (ret == 0) |
134 | { |
135 | if (g_error_matches (error, GTK_BUILDER_ERROR, code: GTK_BUILDER_ERROR_UNHANDLED_TAG) && |
136 | parse_template_error (message: error->message, class_name: &class_name, parent_name: &parent_name)) |
137 | { |
138 | do_validate_template (filename, type_name: class_name, parent_name); |
139 | } |
140 | else |
141 | { |
142 | g_printerr (format: "%s\n" , error->message); |
143 | return FALSE; |
144 | } |
145 | } |
146 | |
147 | return TRUE; |
148 | } |
149 | |
150 | void |
151 | do_validate (int *argc, const char ***argv) |
152 | { |
153 | int i; |
154 | |
155 | for (i = 1; i < *argc; i++) |
156 | { |
157 | if (!validate_file (filename: (*argv)[i])) |
158 | exit (status: 1); |
159 | } |
160 | } |
161 | |