1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "AnimationParser.h"
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <cutils/klog.h>
#include "animation.h"
#define LOGE(x...) do { KLOG_ERROR("charger", x); } while (0)
#define LOGW(x...) do { KLOG_WARNING("charger", x); } while (0)
#define LOGV(x...) do { KLOG_DEBUG("charger", x); } while (0)
namespace android {
// Lines consisting of only whitespace or whitespace followed by '#' can be ignored.
bool can_ignore_line(const char* str) {
for (int i = 0; str[i] != '\0' && str[i] != '#'; i++) {
if (!isspace(str[i])) return false;
}
return true;
}
bool remove_prefix(const std::string& line, const char* prefix, const char** rest) {
const char* str = line.c_str();
int start;
char c;
std::string format = base::StringPrintf(" %s%%n%%c", prefix);
if (sscanf(str, format.c_str(), &start, &c) != 1) {
return false;
}
*rest = &str[start];
return true;
}
bool parse_text_field(const char* in, animation::text_field* field) {
int* x = &field->pos_x;
int* y = &field->pos_y;
int* r = &field->color_r;
int* g = &field->color_g;
int* b = &field->color_b;
int* a = &field->color_a;
int start = 0, end = 0;
if (sscanf(in, "c c %d %d %d %d %n%*s%n", r, g, b, a, &start, &end) == 4) {
*x = CENTER_VAL;
*y = CENTER_VAL;
} else if (sscanf(in, "c %d %d %d %d %d %n%*s%n", y, r, g, b, a, &start, &end) == 5) {
*x = CENTER_VAL;
} else if (sscanf(in, "%d c %d %d %d %d %n%*s%n", x, r, g, b, a, &start, &end) == 5) {
*y = CENTER_VAL;
} else if (sscanf(in, "%d %d %d %d %d %d %n%*s%n", x, y, r, g, b, a, &start, &end) != 6) {
return false;
}
if (end == 0) return false;
field->font_file.assign(&in[start], end - start);
return true;
}
bool parse_animation_desc(const std::string& content, animation* anim) {
static constexpr const char* animation_prefix = "animation: ";
static constexpr const char* fail_prefix = "fail: ";
static constexpr const char* clock_prefix = "clock_display: ";
static constexpr const char* percent_prefix = "percent_display: ";
static constexpr const char* frame_prefix = "frame: ";
std::vector<animation::frame> frames;
for (const auto& line : base::Split(content, "\n")) {
animation::frame frame;
const char* rest;
if (can_ignore_line(line.c_str())) {
continue;
} else if (remove_prefix(line, animation_prefix, &rest)) {
int start = 0, end = 0;
if (sscanf(rest, "%d %d %n%*s%n", &anim->num_cycles, &anim->first_frame_repeats,
&start, &end) != 2 ||
end == 0) {
LOGE("Bad animation format: %s\n", line.c_str());
return false;
} else {
anim->animation_file.assign(&rest[start], end - start);
}
} else if (remove_prefix(line, fail_prefix, &rest)) {
anim->fail_file.assign(rest);
} else if (remove_prefix(line, clock_prefix, &rest)) {
if (!parse_text_field(rest, &anim->text_clock)) {
LOGE("Bad clock_display format: %s\n", line.c_str());
return false;
}
} else if (remove_prefix(line, percent_prefix, &rest)) {
if (!parse_text_field(rest, &anim->text_percent)) {
LOGE("Bad percent_display format: %s\n", line.c_str());
return false;
}
} else if (sscanf(line.c_str(), " frame: %d %d %d",
&frame.disp_time, &frame.min_level, &frame.max_level) == 3) {
frames.push_back(std::move(frame));
} else {
LOGE("Malformed animation description line: %s\n", line.c_str());
return false;
}
}
if (anim->animation_file.empty() || frames.empty()) {
LOGE("Bad animation description. Provide the 'animation: ' line and at least one 'frame: ' "
"line.\n");
return false;
}
anim->num_frames = frames.size();
anim->frames = new animation::frame[frames.size()];
std::copy(frames.begin(), frames.end(), anim->frames);
return true;
}
} // namespace android
|
