From 79d1bf30a49e1fd1ef1f8b743a9aff84d104fb89 Mon Sep 17 00:00:00 2001 From: syuilo Date: Thu, 21 Jun 2018 01:21:57 +0900 Subject: リモートユーザーのHTMLで表現されたプロフィールをMFMに変換するように MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/text/parse/core/syntax-highlighter.ts | 341 ------------------------------ 1 file changed, 341 deletions(-) delete mode 100644 src/text/parse/core/syntax-highlighter.ts (limited to 'src/text/parse/core') diff --git a/src/text/parse/core/syntax-highlighter.ts b/src/text/parse/core/syntax-highlighter.ts deleted file mode 100644 index 3fb7a3b73d..0000000000 --- a/src/text/parse/core/syntax-highlighter.ts +++ /dev/null @@ -1,341 +0,0 @@ -function escape(text: string) { - return text - .replace(/>/g, '>') - .replace(/ k[0].toUpperCase() + k.substr(1))) - .concat(_keywords.map(k => k.toUpperCase())) - .sort((a, b) => b.length - a.length); - -const symbols = [ - '=', - '+', - '-', - '*', - '/', - '%', - '~', - '^', - '&', - '|', - '>', - '<', - '!', - '?' -]; - -type Token = { - html: string - next: number -}; - -type Element = (code: string, i: number, source: string) => (Token | null); - -const elements: Element[] = [ - // comment - code => { - if (code.substr(0, 2) != '//') return null; - const match = code.match(/^\/\/(.+?)(\n|$)/); - if (!match) return null; - const comment = match[0]; - return { - html: `${escape(comment)}`, - next: comment.length - }; - }, - - // block comment - code => { - const match = code.match(/^\/\*([\s\S]+?)\*\//); - if (!match) return null; - return { - html: `${escape(match[0])}`, - next: match[0].length - }; - }, - - // string - code => { - if (!/^['"`]/.test(code)) return null; - const begin = code[0]; - let str = begin; - let thisIsNotAString = false; - for (let i = 1; i < code.length; i++) { - const char = code[i]; - if (char == '\\') { - str += char; - str += code[i + 1] || ''; - i++; - continue; - } else if (char == begin) { - str += char; - break; - } else if (char == '\n' || i == (code.length - 1)) { - thisIsNotAString = true; - break; - } else { - str += char; - } - } - if (thisIsNotAString) { - return null; - } else { - return { - html: `${escape(str)}`, - next: str.length - }; - } - }, - - // regexp - code => { - if (code[0] != '/') return null; - let regexp = ''; - let thisIsNotARegexp = false; - for (let i = 1; i < code.length; i++) { - const char = code[i]; - if (char == '\\') { - regexp += char; - regexp += code[i + 1] || ''; - i++; - continue; - } else if (char == '/') { - break; - } else if (char == '\n' || i == (code.length - 1)) { - thisIsNotARegexp = true; - break; - } else { - regexp += char; - } - } - - if (thisIsNotARegexp) return null; - if (regexp == '') return null; - if (regexp[0] == ' ' && regexp[regexp.length - 1] == ' ') return null; - - return { - html: `/${escape(regexp)}/`, - next: regexp.length + 2 - }; - }, - - // label - code => { - if (code[0] != '@') return null; - const match = code.match(/^@([a-zA-Z_-]+?)\n/); - if (!match) return null; - const label = match[0]; - return { - html: `${label}`, - next: label.length - }; - }, - - // number - (code, i, source) => { - const prev = source[i - 1]; - if (prev && /[a-zA-Z]/.test(prev)) return null; - if (!/^[\-\+]?[0-9\.]+/.test(code)) return null; - const match = code.match(/^[\-\+]?[0-9\.]+/)[0]; - if (match) { - return { - html: `${match}`, - next: match.length - }; - } else { - return null; - } - }, - - // nan - (code, i, source) => { - const prev = source[i - 1]; - if (prev && /[a-zA-Z]/.test(prev)) return null; - if (code.substr(0, 3) == 'NaN') { - return { - html: `NaN`, - next: 3 - }; - } else { - return null; - } - }, - - // method - code => { - const match = code.match(/^([a-zA-Z_-]+?)\(/); - if (!match) return null; - - if (match[1] == '-') return null; - - return { - html: `${match[1]}`, - next: match[1].length - }; - }, - - // property - (code, i, source) => { - const prev = source[i - 1]; - if (prev != '.') return null; - - const match = code.match(/^[a-zA-Z0-9_-]+/); - if (!match) return null; - - return { - html: `${match[0]}`, - next: match[0].length - }; - }, - - // keyword - (code, i, source) => { - const prev = source[i - 1]; - if (prev && /[a-zA-Z]/.test(prev)) return null; - - const match = keywords.filter(k => code.substr(0, k.length) == k)[0]; - if (match) { - if (/^[a-zA-Z]/.test(code.substr(match.length))) return null; - return { - html: `${match}`, - next: match.length - }; - } else { - return null; - } - }, - - // symbol - code => { - const match = symbols.filter(s => code[0] == s)[0]; - if (match) { - return { - html: `${match}`, - next: 1 - }; - } else { - return null; - } - } -]; - -// specify lang is todo -export default (source: string, lang?: string) => { - let code = source; - let html = ''; - - let i = 0; - - function push(token: Token) { - html += token.html; - code = code.substr(token.next); - i += token.next; - } - - while (code != '') { - const parsed = elements.some(el => { - const e = el(code, i, source); - if (e) { - push(e); - return true; - } else { - return false; - } - }); - - if (!parsed) { - push({ - html: escape(code[0]), - next: 1 - }); - } - } - - return html; -}; -- cgit v1.2.3-freya