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
|
# frozen_string_literal: true
# IntervalSetParser parses a string that represents an interval set
# in a syntax that's specific to a package type.
module SemverDialects
module IntervalSetParser
# parse parses a string and returns an IntervalSet.
# The string is expected to be in a syntax that's specific the given package type.
def self.parse(typ, interval_set_string)
IntervalSet.new.tap do |set|
translate(typ, interval_set_string).each do |interval_str|
set << IntervalParser.parse(typ, interval_str)
end
end
end
def self.translate(typ, interval_set_string)
case typ
when 'maven'
translate_maven(interval_set_string)
when 'npm'
translate_npm(interval_set_string)
when 'conan'
translate_conan(interval_set_string)
when 'nuget'
translate_nuget(interval_set_string)
when 'go'
translate_go(interval_set_string)
when 'gem'
translate_gem(interval_set_string)
when 'pypi'
translate_pypi(interval_set_string)
when 'packagist'
translate_packagist(interval_set_string)
when 'cargo'
translate_cargo(interval_set_string)
else
raise UnsupportedPackageTypeError, typ
end
end
def self.translate_npm(interval_set_string)
interval_set_string.split('||').map do |item|
add_missing_operator(single_space_after_operator(item.strip.gsub(/&&/, ' ')))
end
end
def self.translate_conan(interval_set_string)
translate_npm(interval_set_string)
end
def self.translate_go(interval_set_string)
translate_gem(interval_set_string)
end
def self.translate_gem(interval_set_string)
interval_set_string.split('||').map do |item|
add_missing_operator(single_space_after_operator(item.strip.gsub(/\s+/, ' ')))
end
end
def self.translate_packagist(interval_set_string)
translate_pypi(interval_set_string)
end
def self.translate_pypi(interval_set_string)
interval_set_string.split('||').map do |item|
add_missing_operator(single_space_after_operator(comma_to_space(item)))
end
end
def self.translate_nuget(interval_set_string)
translate_maven(interval_set_string)
end
def self.translate_maven(interval_set_string)
lexing_maven_interval_set_string(interval_set_string).map { |item| translate_mvn_version_item(item) }
end
def self.translate_cargo(interval_set_string)
translate_npm(interval_set_string)
end
def self.add_missing_operator(interval_set_string)
starts_with_operator?(interval_set_string) ? interval_set_string : "=#{interval_set_string}"
end
def self.single_space_after_operator(interval_set_string)
interval_set_string.gsub(/([>=<]+) +/, '\1').gsub(/\s+/, ' ')
end
def self.starts_with_operator?(version_item)
version_item.match(/^[=><]/) ? true : false
end
def self.comma_to_space(interval_set_string)
interval_set_string.strip.gsub(/,/, ' ')
end
def self.lexing_maven_interval_set_string(interval_set_string)
open = false
substring = ''
ret = []
interval_set_string.each_char do |c|
case c
when '(', '['
if open
puts "malformed maven version string #{interval_set_string}"
exit(-1)
else
unless substring.empty?
ret << substring
substring = ''
end
open = true
substring += c
end
when ')', ']'
if !open
puts "malformed maven version string #{interval_set_string}"
exit(-1)
else
open = false
substring += c
ret << substring
substring = ''
end
when ','
substring += c if open
when ' '
# nothing to do
substring += ''
else
substring += c
end
end
if open
puts "malformed maven version string #{interval_set_string}"
exit(-1)
end
ret << substring unless substring.empty?
ret
end
def self.parenthesized?(version_item)
version_item.match(/^[(\[]/) && version_item.match(/[\])]$/)
end
def self.translate_mvn_version_item(version_item)
content = ''
parens_pattern = ''
if parenthesized?(version_item)
content = version_item[1, version_item.size - 2]
parens_pattern = version_item[0] + version_item[version_item.size - 1]
# special case -- unversal version range
return '=*' if content.strip == ','
else
# according to the doc, if there is a plain version string in maven, it means 'starting from version x'
# https://docs.oracle.com/middleware/1212/core/MAVEN/maven_version.htm#MAVEN8903
content = "#{version_item},"
parens_pattern = '[)'
end
args = content.split(',')
first_non_empty_arg = args.find(&:range_present?)
if content.start_with?(',')
# {,y}
case parens_pattern
when '[]'
"<=#{first_non_empty_arg}"
when '()'
"<#{first_non_empty_arg}"
when '[)'
"<#{first_non_empty_arg}"
else
# par_pattern == "(]"
"<=#{first_non_empty_arg}"
end
elsif content.end_with?(',')
# {x,}
case parens_pattern
when '[]'
">=#{first_non_empty_arg}"
when '()'
">#{first_non_empty_arg}"
when '[)'
">=#{first_non_empty_arg}"
else
# par_pattern == "(]"
">#{first_non_empty_arg}"
end
elsif content[','].nil?
# [x,x]
"=#{content}"
else
case parens_pattern
when '[]'
">=#{args[0]} <=#{args[1]}"
when '()'
">#{args[0]} <#{args[1]}"
when '[)'
">=#{args[0]} <#{args[1]}"
else
# par_pattern == "(]"
">#{args[0]} <=#{args[1]}"
end
end
end
end
end
|
