How to write CUI application in Go

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2014/06/17 hikarie.go How to write CUI application in Go by @k0kubun

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ɾRails app engineer ɾGithub, Twitter: ɹ@k0kubun Έͳ͞ΜɺॳΊ·ͯ͠ Takashi Kokubun

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ಥવͰ͕͢

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օ͞Μ͸ීஈGoͰ ԿΛॻ͍͍ͯ·͔͢ʁ

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ࢲ͸ɺ

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scheme interpreter

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Twitter client

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peco (just contribution)

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TETRIS

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CUI

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Why do I write CUI application in Go?

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Because

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I work with Terminal, !

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I work with Terminal, I love Terminal,

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I work with Terminal, I love Terminal, I live in Terminal.

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And

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Go is Fast

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I love to use fast CUI app

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That's all.

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ࢲͷߟ͑

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ͱΓ͋͑ͣGoͰ ॻ͍ͱ͚͹଎ͦ͏ ࢲͷߟ͑

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Α͠ॻ͍ͯΈΑ͏

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No content

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ΧʔιϧҠಈͰ͖Δ Α͏ʹ͍ͨ͠

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r := buﬁo.NewReader(os.Stdin) buf, _ := r.ReadString('\n') ...

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ɾɾɾʁ

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EnterΩʔԡ͢·Ͱ Ωʔೖྗड͚औΕͳ͍

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ࠔͬͨ

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ΊͬͪΌάάͬͨ ΊͬͪΌίʔυړͬͨ

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݁Ռ

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mattn/http-gonsole uses go-readline

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ɾgo-readline ɹɾGNU readlineґଘ(໘౗), GPL ɹɾUTF-8ରԠͯ͠Δ, WindowsՄ ɾgo.linenoise ɹɾ1100ߦͷCͷίʔυ, BSD ɹɾUTF-8ରԠͯ͠ͳ͍…, Windowsແཧ readlineܥͷϥΠϒϥϦ࢖͍·͠ΐ͏ ͳΜ͔Ϗϧυࣦഊͨ͠Γ͢ΔͷͰద౰ͳϑΥʔΫ୳͔ࣗ͢෼Ͱ௚͢

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΋ͬͱॻ͍ͯΈΑ͏

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No content

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Ͳ͏͢Μͩ͜Ε ผʹจࣈΛೖྗ͍ͨ͠Θ͚͡Όͳ͍

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linenoiseͷίʔυಡΜͰΈΔ͔ ͕࢖ͬͯΔ΍ͭ ͨͬͨͷ1100ߦʂ

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linenoiseͷίʔυಡΜͰΈΔ͔ ͜Μͳ΋ͷʹ 3ສߦ΋ॻ͘ඞཁ͕ ͋Δͷ͔ʁ ͔͍͍ͬ͜

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݁Ռ

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#include tcsetattr()

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termiosͷcgoόΠϯσΟϯάॻ͍ͨ k0kubun/go-termios ॻ͍͔ͯΒؾ͍͚ͮͨͲdavecheneyͷ github.com/pkg/term ྑ͛͞

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Ͱ΋ϙʔλϏϦςΟ௿͍ Windows? ͪΐͬͱฉ͍ͨ ͜ͱͳ͍Ͱ͢Ͷ

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·ͨίʔυړͬͨ

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lestrrat/peco uses termbox-go

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ɾWindowsରԠͯ͠ΔͬΆ͍ ɾେମͷΩʔೖྗ൑ఆͰ͖Δ ɾ࠲ඪࢦఆ͍ͯ͠Ζ͍Ζॻ͚Δ termbox-goྑ͍Ͱ͢