ࣗݾհ
w େೳ࢙BLBJEPOL
w ͯͳͱ͍͏ձࣾͰɺ1FSMΛॻ͍͍ͯ·͢ɻ
ژ͔Βདྷ·ͨ͠
w ࠓͷ݄·Ͱલ৬Ͱ3VCZΛॻ͍͍ͯ·ͨ͠ɻ
3VCZྺ͙Β͍
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લճͷϥʂ
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1FSM͍ͷࠃͷ3VCZJTU
w
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1FSM͔Β3VCZ
w
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ࠓͷ
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DQBOpMFΛ
requires 'Plack';
...
on test => sub {
requires 'Test2', '1.302138';
...
}
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DQBOpMFΛ3VCZͰʜʜʁ
$ ruby -cw cpanfile
Syntax OK
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͍ͭ͜ʜʜಈͧ͘ʜʜʂ
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ͱ͍͏Ͱ͢
w ΑΖ͓͘͠ئ͍͠·͢
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DQBOpMFͱ
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DQBOpMFͱ
w ϓϩδΣΫτͰ͏$1"/ϞδϡʔϧͷҰཡΛॻ͘ͷ
w 3VCZͰ͍͏(FNpMF HFNpMFSC
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DQBOpMFͷTZOUBY
# requires Ͱ ͍͍ͨ CPAN Module ΛฒΔ
requires 'Plack';
...
# ಛఆͷ env ͰͷΈ͍͍ͨͷ on Ͱ sub Λ͢
on test => sub {
# ୈ2ҾͰόʔδϣϯݻఆ͍ͯ͠Δ߹͋Δ
requires 'Test2', '1.302138';
...
}
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DQBOpMFͷTZOUBY
w 3VCZతʹ͜ͷDQBOpMFͲͷΑ͏ʹύʔε͞ΕΔ͔
w ৄ͘͠SVCZEVNQ QBSTFUSFFDQBOpMFΛ࣮ߦ
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DQBOpMFͷTZOUBYJO3VCZ
w ͜ͷߦ3VCZͰಈ͘͜ͱ͕໌ന
w SFRVJSFTϝιουʹจࣈྻͷҾΛ͍ͯ͠Δ
w ߦͷηϛίϩϯ͕͋ͬͯͳ͍
requires 'Plack';
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DQBOpMFͷTZOUBYJO3VCZ
w ίον
w ͜ΕΛ͏ͪΐͬͱ͚ͩΧοίΛิ͢Δͱ
on test => sub {
requires 'Test2', '1.302138';
}
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DQBOpMFͷTZOUBYJO3VCZ
w ίον
w ͜ΕΛ͏ͪΐͬͱ͚ͩΧοίΛิ͢Δͱ
on({
test => sub { requires 'Test2', '1.302138'; }
})
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DQBOpMFͷTZOUBYJO3VCZ
w POϝιουʹϋογϡΛ͍ͯ͠Δ
on({
test => sub { requires 'Test2', '1.302138'; }
})
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DQBOpMFͷTZOUBYJO3VCZ
w ϋογϡͷΩʔUFTUϝιου
on({
test => sub { requires 'Test2', '1.302138'; }
})
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DQBOpMFͷTZOUBYJO3VCZ
w ϋογϡͷΩʔUFTUϝιου
w ϋογϡͷόϦϡʔTVCϝιουʹϒϩοΫΛͨ͠ͷ
on({
test => sub { requires 'Test2', '1.302138'; }
})
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DQBOpMFͷTZOUBYJO3VCZ
w ϋογϡͷΩʔUFTUϝιου
w ϋογϡͷόϦϡʔTVCϝιουʹϒϩοΫΛͨ͠ͷ
w ϒϩοΫͷதSFRVJSFTϝιουʹҾΛͨ͠ͷ
on({
test => sub { requires 'Test2', '1.302138'; }
})
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DQBOpMFͷTZOUBYJO3VCZ
w ͜͜·Ͱ͔ΕධՁͰ͖Δʂʂʂʂʂʂʁ
on({
test => sub { requires 'Test2', '1.302138'; }
})
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3VCZͰDQBOpMFΛධՁ͢Δ
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3VCZͰDQBOpMFΛධՁ͢Δ
w SFRVJSFTPSҾΛड͚औΔϝιου
requires ‘Plack';
requires 'Test2', '1.302138';
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3VCZͰDQBOpMFΛධՁ͢Δ
w SFRVJSFTPSҾΛड͚औΔϝιου
w ͱΓ͋͑ͣͲΜͳϞδϡʔϧΛ͍͍͔͔ͨΔΑ͏ʹɺΠϯελ
ϯεมʹͰ٧Ί͓ͯ͜͏
@requires = []
def requires(module_name, version = nil)
@requires << [module_name, version]
end
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3VCZͰDQBOpMFΛධՁ͢Δ
w POϋογϡΛҾʹऔΔϝιου
on({
test => sub { requires 'Test2', '1.302138'; }
})
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3VCZͰDQBOpMFΛධՁ͢Δ
w POϋογϡΛҾʹऔΔϝιου
w ͱΓࣺ͋͑ͣͯΕ͍͍͔ͳɻɻ
w ͋ͱͰ͏Α͏ʹվળ͠·͢ ޙड़
def on(_hash)
# nop
end
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3VCZͰDQBOpMFΛධՁ͢Δ
w UFTUϋογϡͷΩʔ
on({
test => sub { requires 'Test2', '1.302138'; }
})
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3VCZͰDQBOpMFΛධՁ͢Δ
w UFTUϋογϡͷΩʔ
w ͳͷͰɺจࣈྻͷlUFTUzͰฦ͓͚ͯ͠ྑ͍
w Կฦ͞ͳͯ͘OJM͕ΩʔʹͳΔ͚ͩͰ͢
def test
"test"
end
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3VCZͰDQBOpMFΛධՁ͢Δ
w TVCϒϩοΫΛड͚औΔϝιου
on({
test => sub { requires 'Test2', '1.302138'; }
})
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3VCZͰDQBOpMFΛධՁ͢Δ
w TVCϒϩοΫΛड͚औΔϝιου
w ZJFME͠·͢
def sub
yield
end
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3VCZͰDQBOpMFΛධՁ͢Δ
w TVCϒϩοΫΛड͚औΔϝιου
w ZJFME͠·͢
w ༨ஊ
POΛ༗ޮʹ͏ͨΊʹԆධՁͤ͞ΔͷͰMBNCEBͰแΉ
def sub
-> { yield }
end
def on(hash)
hash.each do |env, sub|
sub.call
end
end
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3VCZͰDQBOpMFΛධՁ͢Δ
w ͋ͱ࣮ߦ͢Δ͚ͩʂʂʂ
w σϞ
eval File.read("./cpanfile")
pp @requires
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3VCZͰDQBOpMFΛධՁ͢Δ
w ͋ͱ࣮ߦ͢Δ͚ͩʂʂʂ
$ ruby cpanfile_parser.rb
[["Plack", nil], ["Test2", "1.302138"]]
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DQBOpMFΛධՁͰ͖ΔͱԿ
͕Ͱ͖Δ͔
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DQBOpMFΛධՁͰ͖ΔͱԿ͕Ͱ͖Δ͔
w %FQFOEBCPUΛ࡞Δ͜ͱ͕Ͱ͖Δ
w ϓϩδΣΫτ͕ґଘ͍ͯ͠ΔϥΠϒϥϦͷҰཡදࣔ
w ࠷৽όʔδϣϯΑΓݹ͍όʔδϣϯͰݻఆ͍ͯͨ͠ΒܯࠂΛग़͢
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DQBOpMFΛධՁͰ͖ΔͱԿ͕Ͱ͖Δ͔
w %FQFOEBCPUΛ࡞Δ͜ͱ͕Ͱ͖Δ
w ϓϩδΣΫτ͕ґଘ͍ͯ͠ΔϥΠϒϥϦͷҰཡදࣔ
w ࠷৽όʔδϣϯΑΓݹ͍όʔδϣϯͰݻఆ͍ͯͨ͠ΒܯࠂΛग़͢
w ͱ͍͏Θ͚Ͱ࡞Γ·ͨ͠ EFNP