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
|
#!/usr/bin/env ruby -w
# Usage: generate-command-help.r [path/to/commands.json]
# or: generate-commands-json.py | generate-command-help.rb -
#
# Defaults to downloading commands.json from the redis-doc repo if not provided
# or STDINed.
GROUPS = [
"generic",
"string",
"list",
"set",
"sorted-set",
"hash",
"pubsub",
"transactions",
"connection",
"server",
"scripting",
"hyperloglog",
"cluster",
"geo",
"stream",
"bitmap"
].freeze
GROUPS_BY_NAME = Hash[*
GROUPS.each_with_index.map do |n,i|
[n,i]
end.flatten
].freeze
def argument arg
if "block" == arg["type"]
name = arg["arguments"].map do |entry|
argument entry
end.join " "
elsif "oneof" == arg["type"]
name = arg["arguments"].map do |entry|
argument entry
end.join "|"
elsif "pure-token" == arg["type"]
name = nil # prepended later
else
name = arg["name"].is_a?(Array) ? arg["name"].join(" ") : arg["name"]
end
if arg["multiple"]
name = "#{name} [#{name} ...]"
end
if arg["token"]
name = [arg["token"], name].compact.join " "
end
if arg["optional"]
name = "[#{name}]"
end
name
end
def arguments command
return "" unless command["arguments"]
command["arguments"].map do |arg|
argument arg
end.join " "
end
def commands
return @commands if @commands
require "rubygems"
require "net/http"
require "net/https"
require "json"
require "uri"
if ARGV.length > 0
if ARGV[0] == '-'
data = STDIN.read
elsif FileTest.exist? ARGV[0]
data = File.read(ARGV[0])
else
raise Exception.new "File not found: #{ARGV[0]}"
end
else
url = URI.parse "https://raw.githubusercontent.com/redis/redis-doc/master/commands.json"
client = Net::HTTP.new url.host, url.port
client.use_ssl = true
response = client.get url.path
if !response.is_a?(Net::HTTPSuccess)
response.error!
return
else
data = response.body
end
end
@commands = JSON.parse(data)
end
def generate_groups
GROUPS.map do |n|
"\"#{n}\""
end.join(",\n ");
end
def generate_commands
commands.to_a.sort do |x,y|
x[0] <=> y[0]
end.map do |key, command|
group = GROUPS_BY_NAME[command["group"]]
if group.nil?
STDERR.puts "Please update groups array in #{__FILE__}"
raise "Unknown group #{command["group"]}"
end
ret = <<-SPEC
{ "#{key}",
"#{arguments(command)}",
"#{command["summary"]}",
#{group},
"#{command["since"]}" }
SPEC
ret.strip
end.join(",\n ")
end
# Write to stdout
puts <<-HELP_H
/* Automatically generated by #{__FILE__}, do not edit. */
#ifndef __REDIS_HELP_H
#define __REDIS_HELP_H
static char *commandGroups[] = {
#{generate_groups}
};
struct commandHelp {
char *name;
char *params;
char *summary;
int group;
char *since;
} commandHelp[] = {
#{generate_commands}
};
#endif
HELP_H
|
