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
|
module WikiCloth
class WikiBuffer::Link < WikiBuffer
def initialize(data="",options={})
super(data,options)
@in_quotes = false
@checktrailing = false
end
def internal_link
@internal_link ||= false
end
def to_html
link_handler = @options[:link_handler]
unless self.internal_link || params[0].strip !~ /^\s*((([a-z]+):\/\/|mailto:)|[\?\/])(.*)/
if $1.downcase == "mailto:"
return link_handler.external_link("#{params[0]}".strip, $4)
elsif params.length > 1
return link_handler.external_link("#{params[0]}".strip, params.last.strip)
else
return link_handler.external_link("#{params[0]}".strip)
end
else
case
when !self.internal_link
return "[#{params[0]}]"
when params[0] =~ /^:(.*)/
return link_handler.link_for(params[0],params[1])
when params[0] =~ /^\s*([^\]\s:]+)\s*:(.*)$/
return link_handler.link_for_resource($1,$2,params[1..-1])
else
return "" if params[0].blank? && params[1].blank?
return link_handler.link_for(params[0],params[1])
end
end
end
def eof()
self.current_param = self.data
end
protected
def internal_link=(val)
@internal_link = (val == true ? true : false)
end
def new_char()
case
when @checktrailing && current_char !~ /\w/
self.current_param = self.data
self.data = current_char == '{' ? "" : current_char
return false
# check if this link is internal or external
when previous_char.blank? && current_char == '['
self.internal_link = true
# Marks the beginning of another paramater for
# the current object
when current_char == '|' && self.internal_link == true && @in_quotes == false
self.current_param = self.data
self.data = ""
self.params << ""
# URL label
when current_char == ' ' && self.internal_link == false && params[1].nil? && !self.data.blank?
self.current_param = self.data
self.data = ""
self.params << ""
# end of link
when current_char == ']' && ((previous_char == ']' && self.internal_link == true) || self.internal_link == false) && @in_quotes == false
self.current_param = self.data
if self.internal_link == true
self.data.chop!.rstrip!
self.params << "" unless self.params.size > 1
@checktrailing = true
else
self.data = ""
return false
end
else
self.data += current_char unless current_char == ' ' && self.data.blank?
end
return true
end
end
end
|
