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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
use clap::ArgMatches;
use chrono::offset::fixed::FixedOffset;
use chrono::naive::date::NaiveDate;
use glob::glob;
use std::process;
use std::str::FromStr;
use std::path::PathBuf;
use std::io::{ self, Write, BufWriter, BufRead, BufReader };
use std::fs::File;
use std::error::Error;
use ilc::context::Context;
use ilc::format::{ self, Encode, Decode };
use ::chain;
pub mod freq;
pub fn error(e: Box<Error>) -> ! {
let _ = writeln!(&mut io::stderr(), "Error: {}", e);
let mut e = e.cause();
while let Some(err) = e {
let _ = writeln!(&mut io::stderr(), "\t{}", err);
e = err.cause();
}
process::exit(1)
}
pub fn die(s: &str) -> ! {
let _ = writeln!(&mut io::stderr(), "Aborting: {}", s);
process::exit(1)
}
pub fn force_decoder(s: Option<&str>) -> Box<Decode> {
let inf = match s {
Some(s) => s,
None => die("You didn't specify the input format")
};
match format::decoder(&inf) {
Some(d) => d,
None => die(&format!("The format `{}` is unknown to me", inf))
}
}
pub fn force_encoder<'a>(s: Option<&str>) -> Box<Encode> {
let outf = match s {
Some(s) => s,
None => die("You didn't specify the output format")
};
match format::encoder(&outf) {
Some(e) => e,
None => die(&format!("The format `{}` is unknown to me", outf))
}
}
pub fn build_context(args: &ArgMatches) -> Context {
Context {
timezone: FixedOffset::west(args.value_of("timezone").and_then(|s| s.parse().ok()).unwrap_or(0)),
override_date: args.value_of("date").and_then(|d| NaiveDate::from_str(&d).ok()),
channel: args.value_of("channel").map(str::to_owned).clone()
}
}
pub fn build_input(args: &ArgMatches) -> Box<BufRead> {
let input_files = args.values_of("input_files");
if input_files.map(|files| files.count() > 0).unwrap_or(false) {
let input_files: Vec<PathBuf> = if let Some(iter) = args.values_of("input_files") {
iter.flat_map(|p| {
match glob(p) {
Ok(paths) => paths,
Err(e) => die(&format!("{}", e.msg))
}
}).filter_map(Result::ok).collect()
} else { Vec::new() };
/*if args.flag_infer_date {
if input_files.len() > 1 { die("Too many input files, can't infer date") }
if let Some(date) = input_files.iter().next()
.map(PathBuf::as_path)
.and_then(Path::file_stem)
.and_then(OsStr::to_str)
.and_then(|s: &str| NaiveDate::from_str(s).ok()) {
context.override_date = Some(date);
}
}*/
Box::new(BufReader::new(chain::Chain::new(input_files.iter().map(|p| File::open(p).unwrap()).collect())))
} else {
Box::new(BufReader::new(io::stdin()))
}
}
pub fn build_output(args: &ArgMatches) -> Box<Write> {
if let Some(out) = args.value_of("output_file") {
match File::create(out) {
Ok(f) => Box::new(BufWriter::new(f)),
Err(e) => error(Box::new(e))
}
} else {
Box::new(BufWriter::new(io::stdout()))
}
}
pub struct Environment<'a>(pub &'a ArgMatches<'a>);
impl<'a> Environment<'a> {
pub fn context(&self) -> Context { build_context(self.0) }
pub fn input(&self) -> Box<BufRead> { build_input(self.0) }
pub fn output(&self) -> Box<Write> { build_output(self.0) }
pub fn decoder(&self) -> Box<Decode> { force_decoder(self.0.value_of("input_format")) }
pub fn encoder(&self) -> Box<Encode> { force_encoder(self.0.value_of("output_format")) }
}
pub mod parse {
use clap::ArgMatches;
use super::*;
pub fn parse(args: &ArgMatches) {
let env = Environment(args);
let (context, mut decoder, mut input) = (env.context(), env.decoder(), env.input());
for e in decoder.decode(&context, &mut input) {
match e {
Err(e) => { println!("Foo!"); error(Box::new(e)) },
_ => ()
}
}
}
}
pub mod convert {
use clap::ArgMatches;
use super::*;
pub fn convert(args: &ArgMatches) {
let env = Environment(args);
let (context, mut decoder, mut input, encoder, mut output) =
(env.context(), env.decoder(), env.input(), env.encoder(), env.output());
for e in decoder.decode(&context, &mut input) {
match e {
Ok(e) => { let _ = encoder.encode(&context, &mut output, &e); },
Err(e) => error(Box::new(e))
}
}
}
}
pub mod seen {
use clap::ArgMatches;
use ilc::event::Event;
use ilc::format::{ self, Encode };
use super::*;
pub fn seen(args: &ArgMatches) {
let env = Environment(args);
let (context, mut decoder, mut input, mut output) = (env.context(), env.decoder(), env.input(), env.output());
let nick = args.value_of("nick").expect("Required argument <nick> not present");
let mut last: Option<Event> = None;
for e in decoder.decode(&context, &mut input) {
let m = match e {
Ok(m) => m,
Err(err) => error(Box::new(err))
};
if m.ty.involves(nick)
&& last.as_ref().map_or(true, |last| m.time.as_timestamp() > last.time.as_timestamp()) { last = Some(m) }
}
let encoder = format::weechat3::Weechat3;
if let Some(ref m) = last {
let _ = encoder.encode(&context, &mut output, m);
}
}
}
pub mod sort {
use clap::ArgMatches;
use ilc::event::Event;
use super::*;
pub fn sort(args: &ArgMatches) {
let env = Environment(args);
let (context, mut decoder, mut input, encoder, mut output) =
(env.context(), env.decoder(), env.input(), env.encoder(), env.output());
let mut events: Vec<Event> = decoder.decode(&context, &mut input)
.flat_map(Result::ok)
.collect();
events.sort_by(|a, b| a.time.cmp(&b.time));
for e in events {
let _ = encoder.encode(&context, &mut output, &e);
}
}
}
pub mod dedup {
use clap::ArgMatches;
use ilc::event::NoTimeHash;
use ::ageset::AgeSet;
use super::*;
pub fn dedup(args: &ArgMatches) {
let env = Environment(args);
let (context, mut decoder, mut input, encoder, mut output) =
(env.context(), env.decoder(), env.input(), env.encoder(), env.output());
let mut backlog = AgeSet::new();
for e in decoder.decode(&context, &mut input) {
if let Ok(e) = e {
let newest_event = e.clone();
backlog.prune(move |a: &NoTimeHash| {
let age = newest_event.time.as_timestamp() - a.0.time.as_timestamp();
age > 5000
});
// write `e` if it's a new event
let n = NoTimeHash(e);
if !backlog.contains(&n) {
let _ = encoder.encode(&context, &mut output, &n.0);
backlog.push(n);
}
}
}
}
}
|