Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Goで軽量マークアップ言語のパーサーを書く / Writing a parser with Go
Search
aereal
April 29, 2017
Programming
0
1.5k
Goで軽量マークアップ言語のパーサーを書く / Writing a parser with Go
そうだGo、京都 (
https://go-kyoto.connpass.com/event/55599/
) で発表した資料です。
aereal
April 29, 2017
Tweet
Share
More Decks by aereal
See All by aereal
盆栽転じて家具となる / Bonsai and Furnitures
aereal
0
4.9k
How to send distibuted traces to Datadog using build own OpenTelemetry-Lambda distribution
aereal
3
280
好きな技術《コト》で、 生きていく技術 / life with what you like
aereal
5
4k
qron: Cloud Native Cron Alternativeの今
aereal
2
2.7k
自動作曲入門 / introduction to programatic music composition
aereal
1
530k
はてなブログ タグとCDK / The epic of AWS CDK and Hatena Blog Tag
aereal
2
200k
はてなブログ タグの技術選択 / The technical details of Hatena Blog Tag
aereal
3
200k
ブログサービスのHTTPS化を支えたAWSで作るピタゴラスイッチ / The construction of large scale TLS certificates management system with AWS
aereal
3
400k
AWSではてなブログの常時HTTPS配信をバーンとやる話 / The Epic of migration from HTTP to HTTPS on Hatena Blog with AWS
aereal
14
18k
Other Decks in Programming
See All in Programming
Prompt Engineeringの再定義「Context Engineering」とは
htsuruo
0
100
「次に何を学べばいいか分からない」あなたへ──若手エンジニアのための学習地図
panda_program
3
650
Git Sync を超える!OSS で実現する CDK Pull 型デプロイ / Deploying CDK with PipeCD in Pull-style
tkikuc
4
470
CDK引数設計道場100本ノック
badmintoncryer
2
580
Startups on Rails in Past, Present and Future–Irina Nazarova, RailsConf 2025
irinanazarova
0
300
What's new in Adaptive Android development
fornewid
0
110
No Install CMS戦略 〜 5年先を見据えたフロントエンド開発を考える / no_install_cms
rdlabo
0
350
The Evolution of Enterprise Java with Jakarta EE 11 and Beyond
ivargrimstad
0
500
状態遷移図を書こう / Sequence Chart vs State Diagram
orgachem
PRO
3
270
テストから始めるAgentic Coding 〜Claude Codeと共に行うTDD〜 / Agentic Coding starts with testing
rkaga
17
6.1k
[Codecon - 2025] Como não odiar seus testes
camilacampos
0
100
Googleの新しいコーディングAIエージェントJulesを使ってみた
tonionagauzzi
0
130
Featured
See All Featured
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
31
1.3k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
357
30k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
10
990
YesSQL, Process and Tooling at Scale
rocio
173
14k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
8
370
We Have a Design System, Now What?
morganepeng
53
7.7k
Faster Mobile Websites
deanohume
308
31k
Facilitating Awesome Meetings
lara
54
6.5k
Making the Leap to Tech Lead
cromwellryan
134
9.4k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
34
3.1k
Transcript
GoͰܰྔϚʔΫΞοϓݴޠ ͷύʔαʔΛॻ͘ id:aereal
ܰྔϚʔΫΞοϓݴޠͱ • ҎԼ LML = Lightweight Markup Language • HTMLXMLͱϓϨʔϯςΩετͷதؒ
• Markdown, Textile, ͯͳه๏, etc.
ܰྔϚʔΫΞοϓݴޠͱ • ҎԼ LML = Lightweight Markup Language • HTMLXMLͱϓϨʔϯςΩετͷதؒ
• Markdown, Textile, ͯͳه๏, etc.
GoͰͯͳه๏ͷ ύʔαʔΛॻ͘ id:aereal
ࣗݾհ • id:aereal • Twitter: aereal • GitHub: aereal •
גࣜձࣾͯͳ ΞϓϦέʔγϣϯΤϯδχΞ
!͓͜ͱΘΓ! • ࠓճհ͢Δͯͳه๏ύʔαʔ ϓϥΠϕʔτϫʔΫͰ͢ • ͯͳͷαʔϏεʹ࠾༻͞ΕΔ͔ͳͲ ͯ͢ະఆͰ͢
ࢀߟใ • ͜ͷࢿྉͰհ͢Δใͯ͢ 2017gokyoto ͱ ͍͏λάΛ͚ͭͯϒοΫϚʔΫ͍ͯ͠·͢ • http://b.hatena.ne.jp/aereal/2017gokyoto/
ͯͳه๏ͱ • ͯͳ͕ఏڙ͢ΔαʔϏεͷҰ෦Ͱ͑ΔLML • ͯͳϒϩάɺͯͳμΠΞϦʔ • org-modeͱͪΐͬͱࣅ͍ͯΔ
ͯͳه๏ͷྫ * ݟग़͠1 ** ݟग़͠2 - Ruby - Perl -
Go + ى + ঝ + స + ݁
ͳͥύʔαʔΛॻ͘? • طʹಈ͍͍ͯΔͷʹखΛՃ͑ΔͷͰμϝ? • ͳͥͯͳه๏? • ͳͥGoͰ?
Ϟνϕʔγϣϯ • طଘͷ࣮ʹखΛՃ͑ΔͷΉ͔͍ͣ͠ • ͯͳه๏Λύʔε͍ͨ͠χʔζ͋Δ! • Go͕ॻ͖͔ͨͬͨ
طଘͷ࣮ʹखΛՃ͑Δͷ Ή͔͍ͣ͠ • ܗࣜతͳఆ͕ٛͳ͍ = ಈ͘ίʔυ͕༷ • ਖ਼نදݱ
ͯͳه๏Λύʔε͍ͨ͠ χʔζ͋Δ! • ͯͳάϧʔϓͰීஈ͔Βॻ͍͍ͯΔ • ͯͳϒϩάͰهΛॻ͘ͷ͕झຯ • →ͯͳه๏ʹৗతʹ৮Ε͍ͯΔ • Markdownͷม
(...)
Go͕ॻ͖͔ͨͬͨ • ීஈPerlJavaScriptɺͨ·ʹScala • ۀͱҟͳΔίϯςΩετͰίʔυΛॻ͖͔ͨͬͨ
ͪΐ͏Ͳ͍͍ඪ • Ͱ͖Δ͜ͱɺΓ͍ͨ͜ͱɺؔ৺ͷ͋Δ͜ͱ͕ ͍͍͔Μ͡ʹόϥϯε͞Ε͍ͯΔ • WebͱςΩετϓϩηογϯά • খඪΛੵΈॏͶ͍͚ͯΔ • ʮࠓ͜ͷه๏ΛՃ͠Α͏ʯ
108͋Δͯͳه๏ύʔαʔ • ͯͳμΠΞϦʔ • ͯͳάϧʔϓ • Text-Hatena (CPAN) • Text-Xatena
• chris4403/WikiTextConverter • ...
108͋Δͯͳه๏ύʔαʔ • ͦΕͧΕඍົʹ༷͕ҟͳΔ • ৽͘͠࡞ΒΕͨͷ΄ͲεʔύʔηοτͷఆٛΛ ࢼΈΔ͕͋Δ
ܗࣜతͳఆٛΛ༩͍͑ͨ • ࣮ͱఆٛΛૄʹ͍ͨ͠ • ఆ͚ٛͩΛࢀর͍ͨ͠ • ͤΊͯCommonMark͘Β͍ͷͷ…… • (ͱ͍࣮͑ͱϦϯΫͤ͞ΒΕΔ΄͏͕Α͍)
aereal/go-text-hatena https://github.com/aereal/go-text-hatena
࣮ͨ͠ه๏ • ݟग़͠ • Ϧετ • Ҿ༻ • HTTPه๏ (Ұ෦)
ࢦ͢ͱ͜Ζ • ϙʔλϒϧͰ͋Δ͜ͱ • ݴޠʹґΒͣར༻Ͱ͖Δ • ར༻ऀ͕ҙͷHTMLมϧʔϧΛద༻Ͱ͖Δ • ࣮ͱఆٛΛૄʹ •
ఆٛΛ੩తʹࢀরͰ͖Δ • ࣮ݴޠ (Go) ͷ͕ࣝͳͯ͘งғؾ௫ΊΔ
࣮ • GoͰೖग़ྗΛΠϯλʔϑΣʔεͱ͢ΔόΠφϦ • → ݴޠʹґΒͣར༻Ͱ͖Δ • ASTΛJSONͰग़ྗ͢Δ͚ͩ • →
ར༻ऀ͕ҙͷHTMLมϧʔϧΛద༻ (࣮) Ͱ͖Δ
࣮ • goyaccΛ͍YACCͰจ๏ఆٛ • → ఆٛΛ੩తʹࢀরͰ͖Δ (parser.go.y) • ࣮ݴޠ (Go)
ͷ͕ࣝͳͯ͘งғؾ௫ΊΔ
HTMLͷม • αʔϏεʹΑͬͯͲΕ͘Β͍HTMLͷೖྗΛ ڐ༰͢Δ͔ͷํ͕ҟͳΔ • ͯͳϒϩάࣗ༝͕ͩɺͯͳμΠΞϦʔ ϗϫΠτϦετܗࣜ • ηΩϡϦςΟ্ͷࣄ
มσϞ • aereal/sketch-hatena-notation-api
GoͰύʔαʔΛॻ͘
ͬͨπʔϧ • Go • goyacc • text/scanner
goyacc • yaccͷGo൛ • ࠷ۙ go tool ͔Β֎Εͨ • go
get golang.org/x/tools/cmd/goyacc
yacc • ύʔαʔδΣωϨʔλʔ • BNF • ఆٛʹରͯ͠ίʔϧόοΫΛॻ͍͍ͯ͘ • ؐݩͱΞΫγϣϯͱݺΕΔ •
शyacc͕͓͢͢Ί • ࣮ྫͱͯ͠ mattn/streeem ࢀߟʹͳΔ
yaccͷ͍͍ͱ͜Ζ • BNFʹΑΔఆٛͱɺؐݩ͢Δίʔυ͕Ͱ͖Δ • ݴޠDSLΛ͏ύʔαʔίϯϏωʔλʔΑΓ ଞͷਓʹݺΜͰΒ͍͍͢ؾ͕͢Δ
yaccͷඍົͳͱ͜Ζ • *.go.y ͰΤσΟλͷࢧԉ͕ड͚ΒΕͳ͍ • ͏·͍͜ͱઃఆͨ͠ΒͰ͖ͦ͏Ͱ͋Δ • ࣈ۟ղੳࣗͰؤுΔඞཁ͕͋Δ • GoͰ
text/scanner ͱ͍͏ඪ४ϥΠϒϥϦ͕ ͋ΔͷͰָͰ͖Δ
ίʔυΛಡΜͰΈΔ • lex.go • parser.go.y • parser_test.go
·ͱΊ
·ͱΊ • ͯͳه๏ύʔαʔΛGoͰॻ͍ͨ • Goʹgoyacctext/scannerͳͲ ߏจղੳࣈ۟ղੳͷͨΊͷπʔϧ͕ἧ͍ͬͯΔ
ࢀߟใ • ͜ͷࢿྉͰհ͢Δใͯ͢ 2017gokyoto ͱ ͍͏λάΛ͚ͭͯϒοΫϚʔΫ͍ͯ͠·͢ • http://b.hatena.ne.jp/aereal/2017gokyoto/