blob: 35793fcf5514c68bd5245285aa7ed045f43d1880 (
plain)
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
|
=begin
Feed2Imap - RSS/Atom Aggregator uploading to an IMAP Server
Copyright (c) 2005 Lucas Nussbaum <lucas@lucas-nussbaum.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
=end
require 'feed2imap/sgml-parser'
# this class provides a simple SGML parser that removes HTML tags
class HTML2TextParser < SGMLParser
attr_reader :savedata
def initialize(verbose = false)
@savedata = ''
@pre = false
@href = nil
@links = []
super(verbose)
end
def handle_data(data)
# let's remove all CR
data.gsub!(/\n/, '') if not @pre
@savedata << data
end
def unknown_starttag(tag, attrs)
case tag
when 'p'
@savedata << "\n\n"
when 'br'
@savedata << "\n"
when 'b'
@savedata << '*'
when 'u'
@savedata << '_'
when 'i'
@savedata << '/'
when 'pre'
@savedata << "\n\n"
@pre = true
when 'a'
# find href in args
@href = nil
attrs.each do |a|
if a[0] == 'href'
@href = a[1]
end
end
if @href
@links << @href.gsub(/^("|'|)(.*)("|')$/,'\2')
end
end
end
def close
super
if @links.length > 0
@savedata << "\n\n"
@links.each_index do |i|
@savedata << "[#{i+1}] #{@links[i]}\n"
end
end
end
def unknown_endtag(tag)
case tag
when 'b'
@savedata << '*'
when 'u'
@savedata << '_'
when 'i'
@savedata << '/'
when 'pre'
@savedata << "\n\n"
@pre = false
when 'a'
if @href
@savedata << "[#{@links.length}]"
@href = nil
end
end
end
end
|
