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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
extern crate bincode;
use bincode::{deserialize, deserialize_from, serialize};
use std::fs;
use std::io::prelude::*;
use std::io::SeekFrom;
pub struct BinaryReader {
file: fs::File,
}
impl BinaryReader {
pub fn new(filepath: &str) -> BinaryReader {
let file = fs::File::open(filepath);
if !file.is_ok() {
panic!("Failed to open file: {}", filepath);
}
let file = file.unwrap();
BinaryReader { file: file }
}
pub fn seek_to(&mut self, position: u64) -> u64 {
self.file.seek(SeekFrom::Start(position)).unwrap()
}
pub fn get_cur_pos(&mut self) -> u64 {
self.file.seek(SeekFrom::Current(0)).unwrap()
}
pub fn read_string(&mut self) -> String {
deserialize_from(&self.file).unwrap()
}
pub fn read_u64(&mut self) -> u64 {
let mut buffer: Vec<u8> = vec![0; 8];
self.file.read(&mut buffer).unwrap();
let value: u64 = deserialize(&buffer).unwrap();
value
}
pub fn read_i64(&mut self) -> i64 {
let mut buffer: Vec<u8> = vec![0; 8];
self.file.read(&mut buffer).unwrap();
let value: i64 = deserialize(&buffer).unwrap();
value
}
pub fn read_u32(&mut self) -> u32 {
let mut buffer: Vec<u8> = vec![0; 4];
self.file.read(&mut buffer).unwrap();
let value: u32 = deserialize(&buffer).unwrap();
value
}
pub fn read_i32(&mut self) -> i32 {
let mut buffer: Vec<u8> = vec![0; 4];
self.file.read(&mut buffer).unwrap();
let value: i32 = deserialize(&buffer).unwrap();
value
}
pub fn read_u16(&mut self) -> u16 {
let mut buffer: Vec<u8> = vec![0; 2];
self.file.read(&mut buffer).unwrap();
let value: u16 = deserialize(&buffer).unwrap();
value
}
pub fn read_i16(&mut self) -> i16 {
let mut buffer: Vec<u8> = vec![0; 2];
self.file.read(&mut buffer).unwrap();
let value: i16 = deserialize(&buffer).unwrap();
value
}
pub fn read_u8(&mut self) -> u8 {
let mut buffer: Vec<u8> = vec![0; 1];
self.file.read(&mut buffer).unwrap();
let value: u8 = deserialize(&buffer).unwrap();
value
}
pub fn read_i8(&mut self) -> i8 {
let mut buffer: Vec<u8> = vec![0; 1];
self.file.read(&mut buffer).unwrap();
let value: i8 = deserialize(&buffer).unwrap();
value
}
}
pub struct BinaryWriter {
file: fs::File,
}
impl BinaryWriter {
pub fn new(filepath: &str) -> BinaryWriter {
let file = fs::File::open(filepath);
if !file.is_ok() {
panic!("Failed to open file: {}", filepath);
}
let file = file.unwrap();
BinaryWriter { file: file }
}
pub fn seek_to(&mut self, position: u64) -> u64 {
self.file.seek(SeekFrom::Start(position)).unwrap()
}
pub fn get_cur_pos(&mut self) -> u64 {
self.file.seek(SeekFrom::Current(0)).unwrap()
}
pub fn write_string(&mut self, value: String) {
let data: Vec<u8> = serialize(&value).unwrap();
self.file.write(&data).unwrap();
}
pub fn write_u64(&mut self, value: u64) {
let data: Vec<u8> = serialize(&value).unwrap();
self.file.write(&data).unwrap();
}
pub fn write_i64(&mut self, value: i64) {
let data: Vec<u8> = serialize(&value).unwrap();
self.file.write(&data).unwrap();
}
pub fn write_u32(&mut self, value: u32) {
let data: Vec<u8> = serialize(&value).unwrap();
self.file.write(&data).unwrap();
}
pub fn write_i32(&mut self, value: i32) {
let data: Vec<u8> = serialize(&value).unwrap();
self.file.write(&data).unwrap();
}
pub fn write_u16(&mut self, value: u16) {
let data: Vec<u8> = serialize(&value).unwrap();
self.file.write(&data).unwrap();
}
pub fn write_i16(&mut self, value: i16) {
let data: Vec<u8> = serialize(&value).unwrap();
self.file.write(&data).unwrap();
}
pub fn write_u8(&mut self, value: u8) {
let data: Vec<u8> = serialize(&value).unwrap();
self.file.write(&data).unwrap();
}
pub fn write_i8(&mut self, value: i8) {
let data: Vec<u8> = serialize(&value).unwrap();
self.file.write(&data).unwrap();
}
}