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
|
load 'lib/mail/parsers.rb'
# RFC 6532 extensions rely on RFC 3629 UTF-8 chars
rule 'lib/mail/parsers/rfc5234_abnf_core_rules.rl' => 'lib/mail/parsers/rfc3629_utf8.rl'
# All RFC 5322 parsers depend on ABNF core rules
rule %r|rfc5322_.+\.rl\z| => 'lib/mail/parsers/rfc5234_abnf_core_rules.rl'
# RFC 5322 parser depends on its submodules
file 'lib/mail/parsers/rfc5322.rl' => FileList['lib/mail/parsers/rfc5322_*.rl']
# Ruby parsers depend on Ragel parser definitions
# (remove -L to include line numbers for debugging)
rule %r|_parser\.rb\z| => '%X.rl' do |t|
sh "ragel -s -R -L -F1 -o #{t.name} #{t.source}"
sh "bundle exec rufo --simple-exit #{t.name}"
end
# Dot files for Ragel parsers
rule %r|/_parser\.dot\z/| => '.rl' do |t|
sh "ragel -s -V -o #{t.name} #{t.source}"
end
rule %r|/_parser\.svg\z/| => '.dot' do |t|
sh "dot -v -Tsvg -Goverlap=scale -o #{t.name} #{t.source}"
end
desc "Generate Ruby parsers from Ragel definitions"
namespace :ragel do
ragel_parsers = FileList['lib/mail/parsers/*_parser.rl']
task :generate => ragel_parsers.ext('.rb')
task :svg => ragel_parsers.ext('.svg')
end
task :ragel => 'ragel:generate'
|
