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Lesson 23 has been added
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‎otus-23/.gitignore

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/target
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/classes
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/checkouts
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profiles.clj
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pom.xml
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pom.xml.asc
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*.jar
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*.class
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/.lein-*
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/.nrepl-port
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/.prepl-port
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.hgignore
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.hg/

‎otus-23/README.md

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# outs-23
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Комбинаторные парсеры
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## Полезные ссылки
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- комбинаторный парсер на Clojure https://github.com/strojure/parsesso
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- комбинаторный парсер на Clojure https://github.com/rm-hull/jasentaa
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- instaparse https://github.com/Engelberg/instaparse
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- пример JSON на instaparse https://nextjournal.com/learn-ast-with-clojure/20210524
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- интересный пример на instaparse https://www.toomuchcode.org/blog/2015/11/14/insta-declarative-dsls/

‎otus-23/project.clj

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(defproject otus-23 "0.1.0-SNAPSHOT"
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:description "OTUS #23"
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:dependencies [[org.clojure/clojure "1.11.1"]
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[instaparse "1.4.12"]]
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:repl-options {:init-ns otus-23.core})

‎otus-23/resources/html.bnf

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document = (tag | spase)*
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<tag> = html-comment | html-tag
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html-comment = <comment-start> comment-content <comment-end>
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<comment-content> = #'.+?(?=-->)'
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<comment-start> = <'<!--'>
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<comment-end> = <'-->'>
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html-tag = tag-start (tag-self-close | (close-tag [spase] tag-content tag-close))
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<tag-start> = open-tag tag-name [spase attrs] [spase]
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tag-content = ([spase] (tag | text) [spase])*
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<tag-self-close> = <'/>' [spase]>
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<tag-close> = open-tag slash <tag-name> close-tag [spase]
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<open-tag> = <'<'>
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<close-tag> = <'>'>
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<tag-name> = #'[a-zA-Z0-9_-]+' | '!DOCTYPE' | '!doctype'
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attrs = (attr [spase])*
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<attr> = attr-w-value | attr-wo-value
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<attr-w-value> = attr-name <'='> attr-value
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<attr-wo-value> = attr-name
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<attr-name> = #'[a-zA-Z0-9_\-\:]+'
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<attr-value> = quot string quot
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text = #'[^<\n]+(?=<[\w\/])' | #'[^<]+(?=\n)'
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<spase> = <#'[ \t\n]+'>
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<word-with-digit> = #'[\w\d]+'
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<string> = #'[^"]*'
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<quot> = <'"'>
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<slash> = <'/'>

‎otus-23/resources/sample.html

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<html lang="en">
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<head>
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<meta charset="UTF-8"/>
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<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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<meta http-equiv="X-UA-Compatible" content="ie=edge"/>
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<title>My Website</title>
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<link rel="stylesheet" href="./style.css"/>
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<link rel="icon" href="./favicon.ico" type="image/x-icon"/>
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</head>
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<body>
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<main>
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<h1>Welcome to My Website</h1>
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</main>
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<script src="index.js"></script>
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</body>
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</html>

‎otus-23/resources/sample.json

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{
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"id": "0001",
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"type": "donut",
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"name": "Cake",
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"ppu": 0.55,
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"batters": {
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"batter": [
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{
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"id": "1001",
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"type": "Regular"
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},
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{
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"id": "1002",
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"type": "Chocolate"
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},
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{
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"id": "1003",
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"type": "Blueberry"
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},
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{
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"id": "1004",
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"type": "Devil's Food"
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}
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]
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},
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"topping": [
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{
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"id": "5001",
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"type": "None"
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},
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{
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"id": "5002",
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"type": "Glazed"
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},
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{
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"id": "5005",
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"type": "Sugar"
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},
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{
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"id": "5007",
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"type": "Powdered Sugar"
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},
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{
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"id": "5006",
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"type": "Chocolate with Sprinkles"
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},
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{
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"id": "5003",
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"type": "Chocolate"
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},
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{
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"id": "5004",
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"type": "Maple"
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}
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]
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}

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