1/*
2 * Copyright (C) 2017 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#include "HidLog.h"
17#include "HidParser.h"
18#include "TestHidDescriptor.h"
19#include <errno.h>
20
21using HidUtil::HidParser;
22
23bool doParse() {
24    HidParser hidParser;
25    bool ret = true;
26
27    for (const TestHidDescriptor *p = gDescriptorArray; ; ++p) {
28        if (p->data == nullptr || p->len == 0) {
29            break;
30        }
31        const char *name = p->name != nullptr ? p->name : "unnamed";
32        bool parseResult = hidParser.parse(p->data, p->len);
33
34        if (parseResult) {
35            LOG_V << name << "  filtered tree: " << LOG_ENDL;
36            LOG_V << *(hidParser.getTree());
37        } else {
38            ret = false;
39            LOG_E << name << " parsing error!" << LOG_ENDL;
40        }
41    }
42    return ret;
43}
44
45bool doParseAndFilter() {
46    HidParser hidParser;
47    bool ret = true;
48
49    for (const TestHidDescriptor *p = gDescriptorArray; ; ++p) {
50        if (p->data == nullptr || p->len == 0) {
51            break;
52        }
53        const char *name = p->name != nullptr ? p->name : "unnamed";
54        bool parseResult = hidParser.parse(p->data, p->len);
55
56        if (parseResult) {
57            hidParser.filterTree();
58            LOG_V << name << "  filtered tree: " << LOG_ENDL;
59            LOG_V << *(hidParser.getTree());
60        } else {
61            ret = false;
62            LOG_E << name << " parsing error!" << LOG_ENDL;
63        }
64    }
65    return ret;
66}
67
68bool doDigest() {
69    HidParser hidParser;
70    bool ret = true;
71
72    // value from HID sensor usage page spec
73    std::unordered_set<unsigned int> interestedUsage = {
74        0x200073, // accelerometer 3d
75        0x200076, // gyro 3d
76        0x200083, // mag 3d
77        0x20008a, // device orientation (rotation vector)
78    };
79
80    for (const TestHidDescriptor *p = gDescriptorArray; ; ++p) {
81        if (p->data == nullptr || p->len == 0) {
82            break;
83        }
84        const char *name = p->name != nullptr ? p->name : "unnamed";
85        bool parseResult = hidParser.parse(p->data, p->len);
86
87        if (!parseResult) {
88            LOG_E << name << " parsing error!" << LOG_ENDL;
89            ret = false;
90            continue;
91        }
92
93        hidParser.filterTree();
94        LOG_V << name << "  digest: " << LOG_ENDL;
95        HidParser::DigestVector digestVector = hidParser.generateDigest(interestedUsage);
96        LOG_V << digestVector;
97    }
98    return ret;
99}
100
101void printUsage(char *argv0) {
102    LOG_V << "Usage: " << argv0 << " test_name" << LOG_ENDL;
103    LOG_V << "  test_name can be parse, parse_filter, digest." << LOG_ENDL;
104}
105
106int main(int argc, char* argv[]) {
107    int ret;
108
109    if (argc != 2) {
110        LOG_E << "Error: need param" << LOG_ENDL;
111        printUsage(argv[0]);
112        return -EINVAL;
113    }
114
115    if (strcmp(argv[1], "parse") == 0) {
116        ret = doParse() ? 0 : 1;
117    } else if (strcmp(argv[1], "parse_filter") == 0) {
118        ret = doParseAndFilter() ? 0 : 1;
119    } else if (strcmp(argv[1], "digest") == 0) {
120        ret = doDigest() ? 0 : 1;
121    } else {
122        LOG_E << "Error: unknown test name" << LOG_ENDL;
123        printUsage(argv[0]);
124        ret = -ENOENT;
125    }
126
127    return ret;
128}
129