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1 /*
2  * Copyright © 2009 Dan Nicholson
3  * Copyright © 2012 Intel Corporation
4  * Copyright © 2012 Ran Benita <ran234@gmail.com>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the next
14  * paragraph) shall be included in all copies or substantial portions of the
15  * Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23  * DEALINGS IN THE SOFTWARE.
24  *
25  * Authors: Dan Nicholson <dbn.lists@gmail.com>
26  *          Ran Benita <ran234@gmail.com>
27  *          Daniel Stone <daniel@fooishbar.org>
28  */
29 
30 #include "xkbcomp-priv.h"
31 #include "rules.h"
32 
33 static bool
compile_keymap_file(struct xkb_keymap * keymap,XkbFile * file)34 compile_keymap_file(struct xkb_keymap *keymap, XkbFile *file)
35 {
36     if (file->file_type != FILE_TYPE_KEYMAP) {
37         log_err(keymap->ctx,
38                 "Cannot compile a %s file alone into a keymap\n",
39                 xkb_file_type_to_string(file->file_type));
40         return false;
41     }
42 
43     if (!CompileKeymap(file, keymap, MERGE_OVERRIDE)) {
44         log_err(keymap->ctx,
45                 "Failed to compile keymap\n");
46         return false;
47     }
48 
49     return true;
50 }
51 
52 static bool
text_v1_keymap_new_from_names(struct xkb_keymap * keymap,const struct xkb_rule_names * rmlvo)53 text_v1_keymap_new_from_names(struct xkb_keymap *keymap,
54                               const struct xkb_rule_names *rmlvo)
55 {
56     bool ok;
57     struct xkb_component_names kccgst;
58     XkbFile *file;
59 
60     log_dbg(keymap->ctx,
61             "Compiling from RMLVO: rules '%s', model '%s', layout '%s', "
62             "variant '%s', options '%s'\n",
63             rmlvo->rules, rmlvo->model, rmlvo->layout, rmlvo->variant,
64             rmlvo->options);
65 
66     ok = xkb_components_from_rules(keymap->ctx, rmlvo, &kccgst);
67     if (!ok) {
68         log_err(keymap->ctx,
69                 "Couldn't look up rules '%s', model '%s', layout '%s', "
70                 "variant '%s', options '%s'\n",
71                 rmlvo->rules, rmlvo->model, rmlvo->layout, rmlvo->variant,
72                 rmlvo->options);
73         return false;
74     }
75 
76     log_dbg(keymap->ctx,
77             "Compiling from KcCGST: keycodes '%s', types '%s', "
78             "compat '%s', symbols '%s'\n",
79             kccgst.keycodes, kccgst.types, kccgst.compat, kccgst.symbols);
80 
81     file = XkbFileFromComponents(keymap->ctx, &kccgst);
82 
83     free(kccgst.keycodes);
84     free(kccgst.types);
85     free(kccgst.compat);
86     free(kccgst.symbols);
87 
88     if (!file) {
89         log_err(keymap->ctx,
90                 "Failed to generate parsed XKB file from components\n");
91         return false;
92     }
93 
94     ok = compile_keymap_file(keymap, file);
95     FreeXkbFile(file);
96     return ok;
97 }
98 
99 static bool
text_v1_keymap_new_from_string(struct xkb_keymap * keymap,const char * string,size_t len)100 text_v1_keymap_new_from_string(struct xkb_keymap *keymap,
101                                const char *string, size_t len)
102 {
103     bool ok;
104     XkbFile *xkb_file;
105 
106     xkb_file = XkbParseString(keymap->ctx, string, len, "(input string)", NULL);
107     if (!xkb_file) {
108         log_err(keymap->ctx, "Failed to parse input xkb string\n");
109         return NULL;
110     }
111 
112     ok = compile_keymap_file(keymap, xkb_file);
113     FreeXkbFile(xkb_file);
114     return ok;
115 }
116 
117 static bool
text_v1_keymap_new_from_file(struct xkb_keymap * keymap,FILE * file)118 text_v1_keymap_new_from_file(struct xkb_keymap *keymap, FILE *file)
119 {
120     bool ok;
121     XkbFile *xkb_file;
122 
123     xkb_file = XkbParseFile(keymap->ctx, file, "(unknown file)", NULL);
124     if (!xkb_file) {
125         log_err(keymap->ctx, "Failed to parse input xkb file\n");
126         return false;
127     }
128 
129     ok = compile_keymap_file(keymap, xkb_file);
130     FreeXkbFile(xkb_file);
131     return ok;
132 }
133 
134 const struct xkb_keymap_format_ops text_v1_keymap_format_ops = {
135     .keymap_new_from_names = text_v1_keymap_new_from_names,
136     .keymap_new_from_string = text_v1_keymap_new_from_string,
137     .keymap_new_from_file = text_v1_keymap_new_from_file,
138     .keymap_get_as_string = text_v1_keymap_get_as_string,
139 };
140