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
|
use std::io;
use std::path::PathBuf;
use clap::{Parser, Subcommand};
use time::OffsetDateTime;
use uuid::Uuid;
#[derive(Parser, Debug)]
#[clap(author, about, long_about = None)]
struct Cli {
#[clap(subcommand)]
command: Command,
}
#[derive(Subcommand, Debug)]
enum Command {
/// Concatenates and prints streams
Cat { path: Vec<String> },
/// Changes storage CLSIDs
Chcls { clsid: Uuid, path: Vec<String> },
/// Lists storage contents
Ls {
#[clap(short, long)]
/// Lists in long format
long: bool,
#[clap(short, long)]
/// Includes . in output
all: bool,
path: Vec<String>,
},
}
fn split(path: &str) -> (PathBuf, PathBuf) {
let mut pieces = path.splitn(2, ':');
if let Some(piece1) = pieces.next() {
if let Some(piece2) = pieces.next() {
(PathBuf::from(piece1), PathBuf::from(piece2))
} else {
(PathBuf::from(piece1), PathBuf::new())
}
} else {
(PathBuf::new(), PathBuf::new())
}
}
fn list_entry(name: &str, entry: &cfb::Entry, long: bool) {
if !long {
println!("{}", entry.name());
return;
}
let length = if entry.len() >= 10_000_000_000 {
format!("{} GB", entry.len() / (1 << 30))
} else if entry.len() >= 100_000_000 {
format!("{} MB", entry.len() / (1 << 20))
} else if entry.len() >= 1_000_000 {
format!("{} kB", entry.len() / (1 << 10))
} else {
format!("{} B ", entry.len())
};
let last_modified = {
let timestamp = entry.created().max(entry.modified());
let datetime = OffsetDateTime::from(timestamp);
let (year, month, day) = datetime.to_calendar_date();
format!("{:04}-{:02}-{:02}", year, month as u8, day)
};
println!(
"{}{:08x} {:>10} {} {}",
if entry.is_storage() { '+' } else { '-' },
entry.state_bits(),
length,
last_modified,
name
);
if entry.is_storage() {
println!(" {}", entry.clsid().hyphenated());
}
}
fn main() {
let cli = Cli::parse();
match cli.command {
Command::Cat { path } => {
for path in path {
let (comp_path, inner_path) = split(&path);
let mut comp = cfb::open(&comp_path).unwrap();
let mut stream = comp.open_stream(inner_path).unwrap();
io::copy(&mut stream, &mut io::stdout()).unwrap();
}
}
Command::Chcls { clsid, path } => {
for path in path {
let (comp_path, inner_path) = split(&path);
let mut comp = cfb::open(&comp_path).unwrap();
comp.set_storage_clsid(inner_path, clsid).unwrap();
comp.flush().unwrap();
}
}
Command::Ls { long, all, path } => {
for path in path {
let (comp_path, inner_path) = split(&path);
let comp = cfb::open(&comp_path).unwrap();
let entry = comp.entry(&inner_path).unwrap();
if entry.is_stream() {
list_entry(entry.name(), &entry, long);
} else {
if all {
list_entry(".", &entry, long);
}
for subentry in comp.read_storage(&inner_path).unwrap() {
list_entry(subentry.name(), &subentry, long);
}
}
}
}
}
}
|
