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
|
require 'rdoc/ri/ri_paths'
require 'rdoc/ri/ri_cache'
require 'rdoc/ri/ri_util'
require 'rdoc/ri/ri_reader'
require 'rdoc/ri/ri_formatter'
require 'rdoc/ri/ri_options'
######################################################################
class RiDriver
def initialize
@options = RI::Options.instance
args = ARGV
if ENV["RI"]
args = ENV["RI"].split.concat(ARGV)
end
@options.parse(args)
paths = @options.paths || RI::Paths::PATH
if paths.empty?
$stderr.puts "No ri documentation found in:"
[ RI::Paths::SYSDIR, RI::Paths::SITEDIR, RI::Paths::HOMEDIR].each do |d|
$stderr.puts " #{d}"
end
$stderr.puts "\nWas rdoc run to create documentation?"
exit 1
end
@ri_reader = RI::RiReader.new(RI::RiCache.new(paths))
@display = @options.displayer
end
######################################################################
# If the list of matching methods contains exactly one entry, or
# if it contains an entry that exactly matches the requested method,
# then display that entry, otherwise display the list of
# matching method names
def report_method_stuff(requested_method_name, methods)
if methods.size == 1
method = @ri_reader.get_method(methods[0])
@display.display_method_info(method)
else
entries = methods.find_all {|m| m.name == requested_method_name}
if entries.size == 1
method = @ri_reader.get_method(entries[0])
@display.display_method_info(method)
else
@display.display_method_list(methods)
end
end
end
######################################################################
def report_class_stuff(namespaces)
if namespaces.size == 1
klass = @ri_reader.get_class(namespaces[0])
@display.display_class_info(klass, @ri_reader)
else
# entries = namespaces.find_all {|m| m.full_name == requested_class_name}
# if entries.size == 1
# klass = @ri_reader.get_class(entries[0])
# @display.display_class_info(klass, @ri_reader)
# else
@display.display_class_list(namespaces)
# end
end
end
######################################################################
def get_info_for(arg)
desc = NameDescriptor.new(arg)
namespaces = @ri_reader.top_level_namespace
for class_name in desc.class_names
namespaces = @ri_reader.lookup_namespace_in(class_name, namespaces)
if namespaces.empty?
raise RiError.new("Nothing known about #{arg}")
end
end
# at this point, if we have multiple possible namespaces, but one
# is an exact match for our requested class, prune down to just it
full_class_name = desc.full_class_name
entries = namespaces.find_all {|m| m.full_name == full_class_name}
namespaces = entries if entries.size == 1
if desc.method_name.nil?
report_class_stuff(namespaces)
else
methods = @ri_reader.find_methods(desc.method_name,
desc.is_class_method,
namespaces)
if methods.empty?
raise RiError.new("Nothing known about #{arg}")
else
report_method_stuff(desc.method_name, methods)
end
end
end
######################################################################
def process_args
if @options.list_classes
classes = @ri_reader.full_class_names
@display.list_known_classes(classes)
elsif @options.list_names
names = @ri_reader.all_names
@display.list_known_names(names)
else
if ARGV.size.zero?
@display.display_usage
else
begin
ARGV.each do |arg|
get_info_for(arg)
end
rescue RiError => e
$stderr.puts(e.message)
exit(1)
end
end
end
end
end # class RiDriver
|
