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1 /*
2  * Copyright (C) 2010 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <input/KeyCharacterMap.h>
18 #include <input/KeyLayoutMap.h>
19 #include <input/VirtualKeyMap.h>
20 #include <utils/PropertyMap.h>
21 #include <utils/String8.h>
22 
23 #include <stdarg.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 
28 using namespace android;
29 
30 static const char* kProgName = "validatekeymaps";
31 static bool gQuiet = false;
32 
33 enum FileType {
34     FILETYPE_UNKNOWN,
35     FILETYPE_KEYLAYOUT,
36     FILETYPE_KEYCHARACTERMAP,
37     FILETYPE_VIRTUALKEYDEFINITION,
38     FILETYPE_INPUTDEVICECONFIGURATION,
39 };
40 
log(const char * fmt,...)41 static void log(const char* fmt, ...) {
42     if (gQuiet) {
43         return;
44     }
45     va_list args;
46     va_start(args, fmt);
47     vfprintf(stdout, fmt, args);
48     va_end(args);
49 }
50 
error(const char * fmt,...)51 static void error(const char* fmt,  ...) {
52     va_list args;
53     va_start(args, fmt);
54     vfprintf(stderr, fmt, args);
55     va_end(args);
56 }
57 
usage()58 static void usage() {
59     error("Keymap Validation Tool\n\n");
60     error("Usage:\n");
61     error(
62         " %s [-q] [*.kl] [*.kcm] [*.idc] [virtualkeys.*] [...]\n"
63         "   Validates the specified key layouts, key character maps, \n"
64         "   input device configurations, or virtual key definitions.\n\n"
65         "   -q Quiet; do not write anything to standard out.\n",
66         kProgName);
67 }
68 
getFileType(const char * filename)69 static FileType getFileType(const char* filename) {
70     const char *extension = strrchr(filename, '.');
71     if (extension) {
72         if (strcmp(extension, ".kl") == 0) {
73             return FILETYPE_KEYLAYOUT;
74         }
75         if (strcmp(extension, ".kcm") == 0) {
76             return FILETYPE_KEYCHARACTERMAP;
77         }
78         if (strcmp(extension, ".idc") == 0) {
79             return FILETYPE_INPUTDEVICECONFIGURATION;
80         }
81     }
82 
83     if (strstr(filename, "virtualkeys.")) {
84         return FILETYPE_VIRTUALKEYDEFINITION;
85     }
86 
87     return FILETYPE_UNKNOWN;
88 }
89 
validateFile(const char * filename)90 static bool validateFile(const char* filename) {
91     log("Validating file '%s'...\n", filename);
92 
93     FileType fileType = getFileType(filename);
94     switch (fileType) {
95     case FILETYPE_UNKNOWN:
96         error("Supported file types: *.kl, *.kcm, virtualkeys.*\n\n");
97         return false;
98 
99     case FILETYPE_KEYLAYOUT: {
100         sp<KeyLayoutMap> map;
101         status_t status = KeyLayoutMap::load(String8(filename), &map);
102         if (status) {
103             error("Error %d parsing key layout file.\n\n", status);
104             return false;
105         }
106         break;
107     }
108 
109     case FILETYPE_KEYCHARACTERMAP: {
110         sp<KeyCharacterMap> map;
111         status_t status = KeyCharacterMap::load(String8(filename),
112                 KeyCharacterMap::FORMAT_ANY, &map);
113         if (status) {
114             error("Error %d parsing key character map file.\n\n", status);
115             return false;
116         }
117         break;
118     }
119 
120     case FILETYPE_INPUTDEVICECONFIGURATION: {
121         PropertyMap* map;
122         status_t status = PropertyMap::load(String8(filename), &map);
123         if (status) {
124             error("Error %d parsing input device configuration file.\n\n", status);
125             return false;
126         }
127         delete map;
128         break;
129     }
130 
131     case FILETYPE_VIRTUALKEYDEFINITION: {
132         VirtualKeyMap* map;
133         status_t status = VirtualKeyMap::load(String8(filename), &map);
134         if (status) {
135             error("Error %d parsing virtual key definition file.\n\n", status);
136             return false;
137         }
138         delete map;
139         break;
140     }
141     }
142 
143     log("No errors.\n\n");
144     return true;
145 }
146 
main(int argc,const char ** argv)147 int main(int argc, const char** argv) {
148     if (argc < 2) {
149         usage();
150         return 1;
151     }
152 
153     int result = 0;
154     for (int i = 1; i < argc; i++) {
155         if (i == 1 && !strcmp(argv[1], "-q")) {
156             gQuiet = true;
157             continue;
158         }
159         if (!validateFile(argv[i])) {
160             result = 1;
161         }
162     }
163 
164     if (result) {
165         error("Failed!\n");
166     } else {
167         log("Success.\n");
168     }
169     return result;
170 }
171