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
|
require 'code/extensions/basic'
class Directory
@@filter = nil
BAD_TIME = Time.at(1)
def initialize(path, allow_delay=false)
@path = path
@pos = 0
@files = []
@file_size = 0
@pointed_file = nil
@sort_time = BAD_TIME
@width = 1000
@read = false
@free_space = nil
@empty = true
@scheduled = false
refresh
end
def inspect
"<Directory: #{path}>"
end
alias to_s inspect
def read_dir
@mtime = File.mtime(@path)
log @path
files = Dir.new(@path).to_a rescue []
if Option.show_hidden
files -= ['.', '..']
else
files.reject!{|x| x[0] == ?. or x == 'lost+found'}
end
if @@filter
files.reject!{|x| x !~ @@filter}
end
if files.empty?
files = ['.']
end
@files_raw = files.map{|bn| File.join(@path, bn)}
files.map!{|basename| Entry.new(@path, basename)}
@files = files
end
attr_reader(:path, :files, :pos, :width, :files_raw,
:file_size, :read, :sort_time)
attr_accessor(:scheduled)
def self.filter=(x)
@@filter = Regexp.new(x, Regexp::IGNORECASE) rescue nil
end
def self.filter() @@filter end
def schedule_resort() @sort_time = BAD_TIME end
def scheduled?() @scheduled end
def read?() @read end
def pos=(x)
@pos = x
make_sure_cursor_is_in_range()
@pointed_file = @files_raw[x]
resize
end
def make_sure_cursor_is_in_range()
if @files.size <= 1 or @pos < 0
@pos = 0
elsif @pos > @files.size - 1
@pos = @files.size - 1
end
end
def find_file(x)
x = File.basename(x)
files.each_with_index do |file, i|
if file.basename == x
self.pos = i
end
end
end
def empty?()
Dir.entries(@path).size <= 2
end
def restore()
for f in @files
f.marked = false
end
end
def pointed_file=(x)
if @files_raw.include?(x)
@pointed_file = x
@pos = @files_raw.index(x)
else
self.pos = 0
end
resize
end
def free_space()
if @free_space then return @free_space end
@free_space = 0
out = `df -Pk #{~path}`
out = out[out.index("\n")+1, out.index("\n", out.index("\n"))]
if out =~ /^[^\s]+ \s+ \d+ \s+ \d+ \s+ (\d+) \s+/x
@free_space = $1.to_i * 1024
end
@free_space
end
def size() @files.size end
def resize()
pos = Fm.get_offset(self, lines)
if @files.empty?
@width = 0
else
@width = 0
@files[pos, lines-2].each_with_index do |fn, ix|
ix += pos
sz = fn.displayname.size + fn.infostring.size + 2
@width = sz + 3 if @width < sz
end
# @width = @files[pos,lines-2].map{|x| File.basename(x).size}.max
end
end
def get_file_info()
@file_size = 0
@files.each do |f|
f.refresh
@file_size += f.size if f.file?
end
@read = true
schedule_resort
end
def refresh(info=false)
oldfile = @pointed_file
if File.mtime(@path) != @mtime
read_dir
end
if info
log("getting file info of #{@path}")
get_file_info
end
sort_if_needed
if @files.include? oldfile
self.pointed_file = oldfile
end
end
def schedule()
Scheduler << self
end
def refresh!()
oldfile = @pointed_file
read_dir
get_file_info
sort
if @files.include? oldfile
self.pointed_file = oldfile
end
end
def sort_if_needed
if @sort_time < Fm.sort_time
sort
end
end
def sort_sub(x, y)
case Option.sort
when :ext
x.ext <=> y.ext
when :type
x.ext.filetype <=> y.ext.filetype
when :size
x.size <=> y.size
when :ctime
x.ctime <=> y.ctime
when :mtime
x.mtime <=> y.mtime
when :name, Object
x.basename <=> y.basename
end
end
def sort()
@sort_time = Time.now
files = @files.sort {|x,y|
if Option.list_dir_first
if x.dir?
if y.dir? then sort_sub(x, y) else -1 end
else
if y.dir? then 1 else sort_sub(x, y) end
end
else
sort_sub(x, y)
end
}
files.reverse! if Option.sort_reverse
@files_raw = files.map{|x| x.to_s}
@files = files
end
def changed?
File.mtime(@path) != @mtime
end
end
|