From 208e0a1a6fb120ae447711859b545efe6c1b6e48 Mon Sep 17 00:00:00 2001 From: William Brawner Date: Sat, 4 May 2024 10:37:33 -0600 Subject: [PATCH] Use MD4C to convert markdown to HTML --- .gitmodules | 3 + app/build.gradle.kts | 1 + app/src/main/assets/highlight.css | 9 - app/src/main/assets/highlight.js | 1207 --------- app/src/main/assets/markdown.js | 14 - app/src/main/assets/marked-highlight.js | 96 - app/src/main/assets/marked.js | 2408 ----------------- .../simplemarkdown/MarkdownViewModel.kt | 1 - .../wbrawner/simplemarkdown/ui/MainScreen.kt | 48 +- .../simplemarkdown/ui/MarkdownInfoScreen.kt | 2 +- .../{MarkdownPreview.kt => MarkdownText.kt} | 59 +- md4k/.gitignore | 2 + md4k/CMakeLists.txt | 18 + md4k/build.gradle.kts | 41 + md4k/consumer-rules.pro | 0 md4k/lib/md4c | 1 + md4k/proguard-rules.pro | 21 + md4k/src/main/AndroidManifest.xml | 4 + md4k/src/main/cpp/md4k.c | 41 + md4k/src/main/java/com/wbrawner/md4k/MD4K.kt | 12 + settings.gradle.kts | 2 +- 21 files changed, 188 insertions(+), 3802 deletions(-) create mode 100644 .gitmodules delete mode 100644 app/src/main/assets/highlight.css delete mode 100644 app/src/main/assets/highlight.js delete mode 100644 app/src/main/assets/markdown.js delete mode 100644 app/src/main/assets/marked-highlight.js delete mode 100644 app/src/main/assets/marked.js rename app/src/main/java/com/wbrawner/simplemarkdown/ui/{MarkdownPreview.kt => MarkdownText.kt} (50%) create mode 100644 md4k/.gitignore create mode 100644 md4k/CMakeLists.txt create mode 100644 md4k/build.gradle.kts create mode 100644 md4k/consumer-rules.pro create mode 160000 md4k/lib/md4c create mode 100644 md4k/proguard-rules.pro create mode 100644 md4k/src/main/AndroidManifest.xml create mode 100644 md4k/src/main/cpp/md4k.c create mode 100644 md4k/src/main/java/com/wbrawner/md4k/MD4K.kt diff --git a/.gitmodules b/.gitmodules new file mode 100644 index 0000000..b216eb6 --- /dev/null +++ b/.gitmodules @@ -0,0 +1,3 @@ +[submodule "md4k/lib/md4c"] + path = md4k/lib/md4c + url = https://github.com/mity/md4c diff --git a/app/build.gradle.kts b/app/build.gradle.kts index a0ce213..59500a4 100644 --- a/app/build.gradle.kts +++ b/app/build.gradle.kts @@ -111,6 +111,7 @@ play { } dependencies { + implementation(project(":md4k")) implementation("androidx.compose.material3:material3-window-size-class-android:1.2.0") val navigationVersion = "2.7.2" implementation("androidx.navigation:navigation-fragment-ktx:$navigationVersion") diff --git a/app/src/main/assets/highlight.css b/app/src/main/assets/highlight.css deleted file mode 100644 index a75ea91..0000000 --- a/app/src/main/assets/highlight.css +++ /dev/null @@ -1,9 +0,0 @@ -/*! - Theme: Default - Description: Original highlight.js style - Author: (c) Ivan Sagalaev - Maintainer: @highlightjs/core-team - Website: https://highlightjs.org/ - License: see project LICENSE - Touched: 2021 -*/pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}.hljs{background:#f3f3f3;color:#444}.hljs-comment{color:#697070}.hljs-punctuation,.hljs-tag{color:#444a}.hljs-tag .hljs-attr,.hljs-tag .hljs-name{color:#444}.hljs-attribute,.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-name,.hljs-selector-tag{font-weight:700}.hljs-deletion,.hljs-number,.hljs-quote,.hljs-selector-class,.hljs-selector-id,.hljs-string,.hljs-template-tag,.hljs-type{color:#800}.hljs-section,.hljs-title{color:#800;font-weight:700}.hljs-link,.hljs-operator,.hljs-regexp,.hljs-selector-attr,.hljs-selector-pseudo,.hljs-symbol,.hljs-template-variable,.hljs-variable{color:#ab5656}.hljs-literal{color:#695}.hljs-addition,.hljs-built_in,.hljs-bullet,.hljs-code{color:#397300}.hljs-meta{color:#1f7199}.hljs-meta .hljs-string{color:#38a}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700} \ No newline at end of file diff --git a/app/src/main/assets/highlight.js b/app/src/main/assets/highlight.js deleted file mode 100644 index cf57240..0000000 --- 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}; - } - - if (!options || typeof options.highlight !== 'function') { - throw new Error('Must provide highlight function'); - } - - if (typeof options.langPrefix !== 'string') { - options.langPrefix = 'language-'; - } - - return { - async: !!options.async, - walkTokens(token) { - if (token.type !== 'code') { - return; - } - - const lang = getLang(token); - - if (options.async) { - return Promise.resolve(options.highlight(token.text, lang)).then(updateToken(token)); - } - - const code = options.highlight(token.text, lang); - if (code instanceof Promise) { - throw new Error('markedHighlight is not set to async but the highlight function is async. Set the async option to true on markedHighlight to await the async highlight function.'); - } - updateToken(token)(code); - }, - renderer: { - code(code, infoString, escaped) { - const lang = (infoString || '').match(/\S*/)[0]; - const classAttr = lang - ? ` class="${options.langPrefix}${escape(lang)}"` - : ''; - code = code.replace(/\n$/, ''); - return `
${escaped ? code : escape(code, true)}\n
`; - } - } - }; - } - - function getLang(token) { - return (token.lang || '').match(/\S*/)[0]; - } - - function updateToken(token) { - return (code) => { - if (typeof code === 'string' && code !== token.text) { - token.escaped = true; - token.text = code; - } - }; - } - - // copied from marked helpers - const escapeTest = /[&<>"']/; - const escapeReplace = new RegExp(escapeTest.source, 'g'); - const escapeTestNoEncode = /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/; - const escapeReplaceNoEncode = new RegExp(escapeTestNoEncode.source, 'g'); - const escapeReplacements = { - '&': '&', - '<': '<', - '>': '>', - '"': '"', - "'": ''' - }; - const getEscapeReplacement = (ch) => escapeReplacements[ch]; - function escape(html, encode) { - if (encode) { - if (escapeTest.test(html)) { - return html.replace(escapeReplace, getEscapeReplacement); - } - } else { - if (escapeTestNoEncode.test(html)) { - return html.replace(escapeReplaceNoEncode, getEscapeReplacement); - } - } - - return html; - } - - exports.markedHighlight = markedHighlight; - -})); diff --git a/app/src/main/assets/marked.js b/app/src/main/assets/marked.js deleted file mode 100644 index 4398664..0000000 --- a/app/src/main/assets/marked.js +++ /dev/null @@ -1,2408 +0,0 @@ -/** - * marked v9.0.0 - a markdown parser - * Copyright (c) 2011-2023, Christopher Jeffrey. (MIT Licensed) - * https://github.com/markedjs/marked - */ - -/** - * DO NOT EDIT THIS FILE - * The code in this file is generated from files in ./src/ - */ - -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : - typeof define === 'function' && define.amd ? define(['exports'], factory) : - (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.marked = {})); -})(this, (function (exports) { 'use strict'; - - /** - * Gets the original marked default options. - */ - function _getDefaults() { - return { - async: false, - breaks: false, - extensions: null, - gfm: true, - hooks: null, - pedantic: false, - renderer: null, - silent: false, - tokenizer: null, - walkTokens: null - }; - } - exports.defaults = _getDefaults(); - function changeDefaults(newDefaults) { - exports.defaults = newDefaults; - } - - /** - * Helpers - */ - const escapeTest = /[&<>"']/; - const escapeReplace = new RegExp(escapeTest.source, 'g'); - const escapeTestNoEncode = /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/; - const escapeReplaceNoEncode = new RegExp(escapeTestNoEncode.source, 'g'); - const escapeReplacements = { - '&': '&', - '<': '<', - '>': '>', - '"': '"', - "'": ''' - }; - const getEscapeReplacement = (ch) => escapeReplacements[ch]; - function escape(html, encode) { - if (encode) { - if (escapeTest.test(html)) { - return html.replace(escapeReplace, getEscapeReplacement); - } - } - else { - if (escapeTestNoEncode.test(html)) { - return html.replace(escapeReplaceNoEncode, getEscapeReplacement); - } - } - return html; - } - const unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig; - function unescape(html) { - // explicitly match decimal, hex, and named HTML entities - return html.replace(unescapeTest, (_, n) => { - n = n.toLowerCase(); - if (n === 'colon') - return ':'; - if (n.charAt(0) === '#') { - return n.charAt(1) === 'x' - ? String.fromCharCode(parseInt(n.substring(2), 16)) - : String.fromCharCode(+n.substring(1)); - } - return ''; - }); - } - const caret = /(^|[^\[])\^/g; - function edit(regex, opt) { - regex = typeof regex === 'string' ? regex : regex.source; - opt = opt || ''; - const obj = { - replace: (name, val) => { - val = typeof val === 'object' && 'source' in val ? val.source : val; - val = val.replace(caret, '$1'); - regex = regex.replace(name, val); - return obj; - }, - getRegex: () => { - return new RegExp(regex, opt); - } - }; - return obj; - } - function cleanUrl(href) { - try { - href = encodeURI(href).replace(/%25/g, '%'); - } - catch (e) { - return null; - } - return href; - } - const noopTest = { exec: () => null }; - function splitCells(tableRow, count) { - // ensure that every cell-delimiting pipe has a space - // before it to distinguish it from an escaped pipe - const row = tableRow.replace(/\|/g, (match, offset, str) => { - let escaped = false; - let curr = offset; - while (--curr >= 0 && str[curr] === '\\') - escaped = !escaped; - if (escaped) { - // odd number of slashes means | is escaped - // so we leave it alone - return '|'; - } - else { - // add space before unescaped | - return ' |'; - } - }), cells = row.split(/ \|/); - let i = 0; - // First/last cell in a row cannot be empty if it has no leading/trailing pipe - if (!cells[0].trim()) { - cells.shift(); - } - if (cells.length > 0 && !cells[cells.length - 1].trim()) { - cells.pop(); - } - if (count) { - if (cells.length > count) { - cells.splice(count); - } - else { - while (cells.length < count) - cells.push(''); - } - } - for (; i < cells.length; i++) { - // leading or trailing whitespace is ignored per the gfm spec - cells[i] = cells[i].trim().replace(/\\\|/g, '|'); - } - return cells; - } - /** - * Remove trailing 'c's. Equivalent to str.replace(/c*$/, ''). - * /c*$/ is vulnerable to REDOS. - * - * @param str - * @param c - * @param invert Remove suffix of non-c chars instead. Default falsey. - */ - function rtrim(str, c, invert) { - const l = str.length; - if (l === 0) { - return ''; - } - // Length of suffix matching the invert condition. - let suffLen = 0; - // Step left until we fail to match the invert condition. - while (suffLen < l) { - const currChar = str.charAt(l - suffLen - 1); - if (currChar === c && !invert) { - suffLen++; - } - else if (currChar !== c && invert) { - suffLen++; - } - else { - break; - } - } - return str.slice(0, l - suffLen); - } - function findClosingBracket(str, b) { - if (str.indexOf(b[1]) === -1) { - return -1; - } - let level = 0; - for (let i = 0; i < str.length; i++) { - if (str[i] === '\\') { - i++; - } - else if (str[i] === b[0]) { - level++; - } - else if (str[i] === b[1]) { - level--; - if (level < 0) { - return i; - } - } - } - return -1; - } - - function outputLink(cap, link, raw, lexer) { - const href = link.href; - const title = link.title ? escape(link.title) : null; - const text = cap[1].replace(/\\([\[\]])/g, '$1'); - if (cap[0].charAt(0) !== '!') { - lexer.state.inLink = true; - const token = { - type: 'link', - raw, - href, - title, - text, - tokens: lexer.inlineTokens(text) - }; - lexer.state.inLink = false; - return token; - } - return { - type: 'image', - raw, - href, - title, - text: escape(text) - }; - } - function indentCodeCompensation(raw, text) { - const matchIndentToCode = raw.match(/^(\s+)(?:```)/); - if (matchIndentToCode === null) { - return text; - } - const indentToCode = matchIndentToCode[1]; - return text - .split('\n') - .map(node => { - const matchIndentInNode = node.match(/^\s+/); - if (matchIndentInNode === null) { - return node; - } - const [indentInNode] = matchIndentInNode; - if (indentInNode.length >= indentToCode.length) { - return node.slice(indentToCode.length); - } - return node; - }) - .join('\n'); - } - /** - * Tokenizer - */ - class _Tokenizer { - options; - // TODO: Fix this rules type - rules; - lexer; - constructor(options) { - this.options = options || exports.defaults; - } - space(src) { - const cap = this.rules.block.newline.exec(src); - if (cap && cap[0].length > 0) { - return { - type: 'space', - raw: cap[0] - }; - } - } - code(src) { - const cap = this.rules.block.code.exec(src); - if (cap) { - const text = cap[0].replace(/^ {1,4}/gm, ''); - return { - type: 'code', - raw: cap[0], - codeBlockStyle: 'indented', - text: !this.options.pedantic - ? rtrim(text, '\n') - : text - }; - } - } - fences(src) { - const cap = this.rules.block.fences.exec(src); - if (cap) { - const raw = cap[0]; - const text = indentCodeCompensation(raw, cap[3] || ''); - return { - type: 'code', - raw, - lang: cap[2] ? cap[2].trim().replace(this.rules.inline._escapes, '$1') : cap[2], - text - }; - } - } - heading(src) { - const cap = this.rules.block.heading.exec(src); - if (cap) { - let text = cap[2].trim(); - // remove trailing #s - if (/#$/.test(text)) { - const trimmed = rtrim(text, '#'); - if (this.options.pedantic) { - text = trimmed.trim(); - } - else if (!trimmed || / $/.test(trimmed)) { - // CommonMark requires space before trailing #s - text = trimmed.trim(); - } - } - return { - type: 'heading', - raw: cap[0], - depth: cap[1].length, - text, - tokens: this.lexer.inline(text) - }; - } - } - hr(src) { - const cap = this.rules.block.hr.exec(src); - if (cap) { - return { - type: 'hr', - raw: cap[0] - }; - } - } - blockquote(src) { - const cap = this.rules.block.blockquote.exec(src); - if (cap) { - const text = cap[0].replace(/^ *>[ \t]?/gm, ''); - const top = this.lexer.state.top; - this.lexer.state.top = true; - const tokens = this.lexer.blockTokens(text); - this.lexer.state.top = top; - return { - type: 'blockquote', - raw: cap[0], - tokens, - text - }; - } - } - list(src) { - let cap = this.rules.block.list.exec(src); - if (cap) { - let bull = cap[1].trim(); - const isordered = bull.length > 1; - const list = { - type: 'list', - raw: '', - ordered: isordered, - start: isordered ? +bull.slice(0, -1) : '', - loose: false, - items: [] - }; - bull = isordered ? `\\d{1,9}\\${bull.slice(-1)}` : `\\${bull}`; - if (this.options.pedantic) { - bull = isordered ? bull : '[*+-]'; - } - // Get next list item - const itemRegex = new RegExp(`^( {0,3}${bull})((?:[\t ][^\\n]*)?(?:\\n|$))`); - let raw = ''; - let itemContents = ''; - let endsWithBlankLine = false; - // Check if current bullet point can start a new List Item - while (src) { - let endEarly = false; - if (!(cap = itemRegex.exec(src))) { - break; - } - if (this.rules.block.hr.test(src)) { // End list if bullet was actually HR (possibly move into itemRegex?) - break; - } - raw = cap[0]; - src = src.substring(raw.length); - let line = cap[2].split('\n', 1)[0].replace(/^\t+/, (t) => ' '.repeat(3 * t.length)); - let nextLine = src.split('\n', 1)[0]; - let indent = 0; - if (this.options.pedantic) { - indent = 2; - itemContents = line.trimStart(); - } - else { - indent = cap[2].search(/[^ ]/); // Find first non-space char - indent = indent > 4 ? 1 : indent; // Treat indented code blocks (> 4 spaces) as having only 1 indent - itemContents = line.slice(indent); - indent += cap[1].length; - } - let blankLine = false; - if (!line && /^ *$/.test(nextLine)) { // Items begin with at most one blank line - raw += nextLine + '\n'; - src = src.substring(nextLine.length + 1); - endEarly = true; - } - if (!endEarly) { - const nextBulletRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:[*+-]|\\d{1,9}[.)])((?:[ \t][^\\n]*)?(?:\\n|$))`); - const hrRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}((?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$)`); - const fencesBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}(?:\`\`\`|~~~)`); - const headingBeginRegex = new RegExp(`^ {0,${Math.min(3, indent - 1)}}#`); - // Check if following lines should be included in List Item - while (src) { - const rawLine = src.split('\n', 1)[0]; - nextLine = rawLine; - // Re-align to follow commonmark nesting rules - if (this.options.pedantic) { - nextLine = nextLine.replace(/^ {1,4}(?=( {4})*[^ ])/g, ' '); - } - // End list item if found code fences - if (fencesBeginRegex.test(nextLine)) { - break; - } - // End list item if found start of new heading - if (headingBeginRegex.test(nextLine)) { - break; - } - // End list item if found start of new bullet - if (nextBulletRegex.test(nextLine)) { - break; - } - // Horizontal rule found - if (hrRegex.test(src)) { - break; - } - if (nextLine.search(/[^ ]/) >= indent || !nextLine.trim()) { // Dedent if possible - itemContents += '\n' + nextLine.slice(indent); - } - else { - // not enough indentation - if (blankLine) { - break; - } - // paragraph continuation unless last line was a different block level element - if (line.search(/[^ ]/) >= 4) { // indented code block - break; - } - if (fencesBeginRegex.test(line)) { - break; - } - if (headingBeginRegex.test(line)) { - break; - } - if (hrRegex.test(line)) { - break; - } - itemContents += '\n' + nextLine; - } - if (!blankLine && !nextLine.trim()) { // Check if current line is blank - blankLine = true; - } - raw += rawLine + '\n'; - src = src.substring(rawLine.length + 1); - line = nextLine.slice(indent); - } - } - if (!list.loose) { - // If the previous item ended with a blank line, the list is loose - if (endsWithBlankLine) { - list.loose = true; - } - else if (/\n *\n *$/.test(raw)) { - endsWithBlankLine = true; - } - } - let istask = null; - let ischecked; - // Check for task list items - if (this.options.gfm) { - istask = /^\[[ xX]\] /.exec(itemContents); - if (istask) { - ischecked = istask[0] !== '[ ] '; - itemContents = itemContents.replace(/^\[[ xX]\] +/, ''); - } - } - list.items.push({ - type: 'list_item', - raw, - task: !!istask, - checked: ischecked, - loose: false, - text: itemContents, - tokens: [] - }); - list.raw += raw; - } - // Do not consume newlines at end of final item. Alternatively, make itemRegex *start* with any newlines to simplify/speed up endsWithBlankLine logic - list.items[list.items.length - 1].raw = raw.trimEnd(); - list.items[list.items.length - 1].text = itemContents.trimEnd(); - list.raw = list.raw.trimEnd(); - // Item child tokens handled here at end because we needed to have the final item to trim it first - for (let i = 0; i < list.items.length; i++) { - this.lexer.state.top = false; - list.items[i].tokens = this.lexer.blockTokens(list.items[i].text, []); - if (!list.loose) { - // Check if list should be loose - const spacers = list.items[i].tokens.filter(t => t.type === 'space'); - const hasMultipleLineBreaks = spacers.length > 0 && spacers.some(t => /\n.*\n/.test(t.raw)); - list.loose = hasMultipleLineBreaks; - } - } - // Set all items to loose if list is loose - if (list.loose) { - for (let i = 0; i < list.items.length; i++) { - list.items[i].loose = true; - } - } - return list; - } - } - html(src) { - const cap = this.rules.block.html.exec(src); - if (cap) { - const token = { - type: 'html', - block: true, - raw: cap[0], - pre: cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style', - text: cap[0] - }; - return token; - } - } - def(src) { - const cap = this.rules.block.def.exec(src); - if (cap) { - const tag = cap[1].toLowerCase().replace(/\s+/g, ' '); - const href = cap[2] ? cap[2].replace(/^<(.*)>$/, '$1').replace(this.rules.inline._escapes, '$1') : ''; - const title = cap[3] ? cap[3].substring(1, cap[3].length - 1).replace(this.rules.inline._escapes, '$1') : cap[3]; - return { - type: 'def', - tag, - raw: cap[0], - href, - title - }; - } - } - table(src) { - const cap = this.rules.block.table.exec(src); - if (cap) { - const item = { - type: 'table', - raw: cap[0], - header: splitCells(cap[1]).map(c => { - return { text: c, tokens: [] }; - }), - align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), - rows: cap[3] && cap[3].trim() ? cap[3].replace(/\n[ \t]*$/, '').split('\n') : [] - }; - if (item.header.length === item.align.length) { - let l = item.align.length; - let i, j, k, row; - for (i = 0; i < l; i++) { - const align = item.align[i]; - if (align) { - if (/^ *-+: *$/.test(align)) { - item.align[i] = 'right'; - } - else if (/^ *:-+: *$/.test(align)) { - item.align[i] = 'center'; - } - else if (/^ *:-+ *$/.test(align)) { - item.align[i] = 'left'; - } - else { - item.align[i] = null; - } - } - } - l = item.rows.length; - for (i = 0; i < l; i++) { - item.rows[i] = splitCells(item.rows[i], item.header.length).map(c => { - return { text: c, tokens: [] }; - }); - } - // parse child tokens inside headers and cells - // header child tokens - l = item.header.length; - for (j = 0; j < l; j++) { - item.header[j].tokens = this.lexer.inline(item.header[j].text); - } - // cell child tokens - l = item.rows.length; - for (j = 0; j < l; j++) { - row = item.rows[j]; - for (k = 0; k < row.length; k++) { - row[k].tokens = this.lexer.inline(row[k].text); - } - } - return item; - } - } - } - lheading(src) { - const cap = this.rules.block.lheading.exec(src); - if (cap) { - return { - type: 'heading', - raw: cap[0], - depth: cap[2].charAt(0) === '=' ? 1 : 2, - text: cap[1], - tokens: this.lexer.inline(cap[1]) - }; - } - } - paragraph(src) { - const cap = this.rules.block.paragraph.exec(src); - if (cap) { - const text = cap[1].charAt(cap[1].length - 1) === '\n' - ? cap[1].slice(0, -1) - : cap[1]; - return { - type: 'paragraph', - raw: cap[0], - text, - tokens: this.lexer.inline(text) - }; - } - } - text(src) { - const cap = this.rules.block.text.exec(src); - if (cap) { - return { - type: 'text', - raw: cap[0], - text: cap[0], - tokens: this.lexer.inline(cap[0]) - }; - } - } - escape(src) { - const cap = this.rules.inline.escape.exec(src); - if (cap) { - return { - type: 'escape', - raw: cap[0], - text: escape(cap[1]) - }; - } - } - tag(src) { - const cap = this.rules.inline.tag.exec(src); - if (cap) { - if (!this.lexer.state.inLink && /^/i.test(cap[0])) { - this.lexer.state.inLink = false; - } - if (!this.lexer.state.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { - this.lexer.state.inRawBlock = true; - } - else if (this.lexer.state.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) { - this.lexer.state.inRawBlock = false; - } - return { - type: 'html', - raw: cap[0], - inLink: this.lexer.state.inLink, - inRawBlock: this.lexer.state.inRawBlock, - block: false, - text: cap[0] - }; - } - } - link(src) { - const cap = this.rules.inline.link.exec(src); - if (cap) { - const trimmedUrl = cap[2].trim(); - if (!this.options.pedantic && /^$/.test(trimmedUrl))) { - return; - } - // ending angle bracket cannot be escaped - const rtrimSlash = rtrim(trimmedUrl.slice(0, -1), '\\'); - if ((trimmedUrl.length - rtrimSlash.length) % 2 === 0) { - return; - } - } - else { - // find closing parenthesis - const lastParenIndex = findClosingBracket(cap[2], '()'); - if (lastParenIndex > -1) { - const start = cap[0].indexOf('!') === 0 ? 5 : 4; - const linkLen = start + cap[1].length + lastParenIndex; - cap[2] = cap[2].substring(0, lastParenIndex); - cap[0] = cap[0].substring(0, linkLen).trim(); - cap[3] = ''; - } - } - let href = cap[2]; - let title = ''; - if (this.options.pedantic) { - // split pedantic href and title - const link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href); - if (link) { - href = link[1]; - title = link[3]; - } - } - else { - title = cap[3] ? cap[3].slice(1, -1) : ''; - } - href = href.trim(); - if (/^$/.test(trimmedUrl))) { - // pedantic allows starting angle bracket without ending angle bracket - href = href.slice(1); - } - else { - href = href.slice(1, -1); - } - } - return outputLink(cap, { - href: href ? href.replace(this.rules.inline._escapes, '$1') : href, - title: title ? title.replace(this.rules.inline._escapes, '$1') : title - }, cap[0], this.lexer); - } - } - reflink(src, links) { - let cap; - if ((cap = this.rules.inline.reflink.exec(src)) - || (cap = this.rules.inline.nolink.exec(src))) { - let link = (cap[2] || cap[1]).replace(/\s+/g, ' '); - link = links[link.toLowerCase()]; - if (!link) { - const text = cap[0].charAt(0); - return { - type: 'text', - raw: text, - text - }; - } - return outputLink(cap, link, cap[0], this.lexer); - } - } - emStrong(src, maskedSrc, prevChar = '') { - let match = this.rules.inline.emStrong.lDelim.exec(src); - if (!match) - return; - // _ can't be between two alphanumerics. \p{L}\p{N} includes non-english alphabet/numbers as well - if (match[3] && prevChar.match(/[\p{L}\p{N}]/u)) - return; - const nextChar = match[1] || match[2] || ''; - if (!nextChar || !prevChar || this.rules.inline.punctuation.exec(prevChar)) { - // unicode Regex counts emoji as 1 char; spread into array for proper count (used multiple times below) - const lLength = [...match[0]].length - 1; - let rDelim, rLength, delimTotal = lLength, midDelimTotal = 0; - const endReg = match[0][0] === '*' ? this.rules.inline.emStrong.rDelimAst : this.rules.inline.emStrong.rDelimUnd; - endReg.lastIndex = 0; - // Clip maskedSrc to same section of string as src (move to lexer?) - maskedSrc = maskedSrc.slice(-1 * src.length + lLength); - while ((match = endReg.exec(maskedSrc)) != null) { - rDelim = match[1] || match[2] || match[3] || match[4] || match[5] || match[6]; - if (!rDelim) - continue; // skip single * in __abc*abc__ - rLength = [...rDelim].length; - if (match[3] || match[4]) { // found another Left Delim - delimTotal += rLength; - continue; - } - else if (match[5] || match[6]) { // either Left or Right Delim - if (lLength % 3 && !((lLength + rLength) % 3)) { - midDelimTotal += rLength; - continue; // CommonMark Emphasis Rules 9-10 - } - } - delimTotal -= rLength; - if (delimTotal > 0) - continue; // Haven't found enough closing delimiters - // Remove extra characters. *a*** -> *a* - rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal); - const raw = [...src].slice(0, lLength + match.index + rLength + 1).join(''); - // Create `em` if smallest delimiter has odd char count. *a*** - if (Math.min(lLength, rLength) % 2) { - const text = raw.slice(1, -1); - return { - type: 'em', - raw, - text, - tokens: this.lexer.inlineTokens(text) - }; - } - // Create 'strong' if smallest delimiter has even char count. **a*** - const text = raw.slice(2, -2); - return { - type: 'strong', - raw, - text, - tokens: this.lexer.inlineTokens(text) - }; - } - } - } - codespan(src) { - const cap = this.rules.inline.code.exec(src); - if (cap) { - let text = cap[2].replace(/\n/g, ' '); - const hasNonSpaceChars = /[^ ]/.test(text); - const hasSpaceCharsOnBothEnds = /^ /.test(text) && / $/.test(text); - if (hasNonSpaceChars && hasSpaceCharsOnBothEnds) { - text = text.substring(1, text.length - 1); - } - text = escape(text, true); - return { - type: 'codespan', - raw: cap[0], - text - }; - } - } - br(src) { - const cap = this.rules.inline.br.exec(src); - if (cap) { - return { - type: 'br', - raw: cap[0] - }; - } - } - del(src) { - const cap = this.rules.inline.del.exec(src); - if (cap) { - return { - type: 'del', - raw: cap[0], - text: cap[2], - tokens: this.lexer.inlineTokens(cap[2]) - }; - } - } - autolink(src) { - const cap = this.rules.inline.autolink.exec(src); - if (cap) { - let text, href; - if (cap[2] === '@') { - text = escape(cap[1]); - href = 'mailto:' + text; - } - else { - text = escape(cap[1]); - href = text; - } - return { - type: 'link', - raw: cap[0], - text, - href, - tokens: [ - { - type: 'text', - raw: text, - text - } - ] - }; - } - } - url(src) { - let cap; - if (cap = this.rules.inline.url.exec(src)) { - let text, href; - if (cap[2] === '@') { - text = escape(cap[0]); - href = 'mailto:' + text; - } - else { - // do extended autolink path validation - let prevCapZero; - do { - prevCapZero = cap[0]; - cap[0] = this.rules.inline._backpedal.exec(cap[0])[0]; - } while (prevCapZero !== cap[0]); - text = escape(cap[0]); - if (cap[1] === 'www.') { - href = 'http://' + cap[0]; - } - else { - href = cap[0]; - } - } - return { - type: 'link', - raw: cap[0], - text, - href, - tokens: [ - { - type: 'text', - raw: text, - text - } - ] - }; - } - } - inlineText(src) { - const cap = this.rules.inline.text.exec(src); - if (cap) { - let text; - if (this.lexer.state.inRawBlock) { - text = cap[0]; - } - else { - text = escape(cap[0]); - } - return { - type: 'text', - raw: cap[0], - text - }; - } - } - } - - /** - * Block-Level Grammar - */ - // Not all rules are defined in the object literal - // @ts-expect-error - const block = { - newline: /^(?: *(?:\n|$))+/, - code: /^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/, - fences: /^ {0,3}(`{3,}(?=[^`\n]*(?:\n|$))|~{3,})([^\n]*)(?:\n|$)(?:|([\s\S]*?)(?:\n|$))(?: {0,3}\1[~`]* *(?=\n|$)|$)/, - hr: /^ {0,3}((?:-[\t ]*){3,}|(?:_[ \t]*){3,}|(?:\*[ \t]*){3,})(?:\n+|$)/, - heading: /^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/, - blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/, - list: /^( {0,3}bull)([ \t][^\n]+?)?(?:\n|$)/, - html: '^ {0,3}(?:' // optional indentation - + '<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:[^\\n]*\\n+|$)' // (1) - + '|comment[^\\n]*(\\n+|$)' // (2) - + '|<\\?[\\s\\S]*?(?:\\?>\\n*|$)' // (3) - + '|\\n*|$)' // (4) - + '|\\n*|$)' // (5) - + '|)[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (6) - + '|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) open tag - + '|(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)' // (7) closing tag - + ')', - def: /^ {0,3}\[(label)\]: *(?:\n *)?([^<\s][^\s]*|<.*?>)(?:(?: +(?:\n *)?| *\n *)(title))? *(?:\n+|$)/, - table: noopTest, - lheading: /^((?:(?!^bull ).|\n(?!\n|bull ))+?)\n {0,3}(=+|-+) *(?:\n+|$)/, - // regex template, placeholders will be replaced according to different paragraph - // interruption rules of commonmark and the original markdown spec: - _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html|table| +\n)[^\n]+)*)/, - text: /^[^\n]+/ - }; - block._label = /(?!\s*\])(?:\\.|[^\[\]\\])+/; - block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/; - block.def = edit(block.def) - .replace('label', block._label) - .replace('title', block._title) - .getRegex(); - block.bullet = /(?:[*+-]|\d{1,9}[.)])/; - block.listItemStart = edit(/^( *)(bull) */) - .replace('bull', block.bullet) - .getRegex(); - block.list = edit(block.list) - .replace(/bull/g, block.bullet) - .replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))') - .replace('def', '\\n+(?=' + block.def.source + ')') - .getRegex(); - block._tag = 'address|article|aside|base|basefont|blockquote|body|caption' - + '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption' - + '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe' - + '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option' - + '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr' - + '|track|ul'; - block._comment = /|$)/; - block.html = edit(block.html, 'i') - .replace('comment', block._comment) - .replace('tag', block._tag) - .replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/) - .getRegex(); - block.lheading = edit(block.lheading) - .replace(/bull/g, block.bullet) // lists can interrupt - .getRegex(); - block.paragraph = edit(block._paragraph) - .replace('hr', block.hr) - .replace('heading', ' {0,3}#{1,6} ') - .replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs - .replace('|table', '') - .replace('blockquote', ' {0,3}>') - .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n') - .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt - .replace('html', ')|<(?:script|pre|style|textarea|!--)') - .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks - .getRegex(); - block.blockquote = edit(block.blockquote) - .replace('paragraph', block.paragraph) - .getRegex(); - /** - * Normal Block Grammar - */ - block.normal = { ...block }; - /** - * GFM Block Grammar - */ - block.gfm = { - ...block.normal, - table: '^ *([^\\n ].*\\|.*)\\n' // Header - + ' {0,3}(?:\\| *)?(:?-+:? *(?:\\| *:?-+:? *)*)(?:\\| *)?' // Align - + '(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells - }; - block.gfm.table = edit(block.gfm.table) - .replace('hr', block.hr) - .replace('heading', ' {0,3}#{1,6} ') - .replace('blockquote', ' {0,3}>') - .replace('code', ' {4}[^\\n]') - .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n') - .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt - .replace('html', ')|<(?:script|pre|style|textarea|!--)') - .replace('tag', block._tag) // tables can be interrupted by type (6) html blocks - .getRegex(); - block.gfm.paragraph = edit(block._paragraph) - .replace('hr', block.hr) - .replace('heading', ' {0,3}#{1,6} ') - .replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs - .replace('table', block.gfm.table) // interrupt paragraphs with table - .replace('blockquote', ' {0,3}>') - .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n') - .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt - .replace('html', ')|<(?:script|pre|style|textarea|!--)') - .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks - .getRegex(); - /** - * Pedantic grammar (original John Gruber's loose markdown specification) - */ - block.pedantic = { - ...block.normal, - html: edit('^ *(?:comment *(?:\\n|\\s*$)' - + '|<(tag)[\\s\\S]+? *(?:\\n{2,}|\\s*$)' // closed tag - + '|\\s]*)*?/?> *(?:\\n{2,}|\\s*$))') - .replace('comment', block._comment) - .replace(/tag/g, '(?!(?:' - + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub' - + '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)' - + '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b') - .getRegex(), - def: /^ *\[([^\]]+)\]: *]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/, - heading: /^(#{1,6})(.*)(?:\n+|$)/, - fences: noopTest, - lheading: /^(.+?)\n {0,3}(=+|-+) *(?:\n+|$)/, - paragraph: edit(block.normal._paragraph) - .replace('hr', block.hr) - .replace('heading', ' *#{1,6} *[^\n]') - .replace('lheading', block.lheading) - .replace('blockquote', ' {0,3}>') - .replace('|fences', '') - .replace('|list', '') - .replace('|html', '') - .getRegex() - }; - /** - * Inline-Level Grammar - */ - // Not all rules are defined in the object literal - // @ts-expect-error - const inline = { - escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/, - autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/, - url: noopTest, - tag: '^comment' - + '|^' // self-closing tag - + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag - + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. - + '|^' // declaration, e.g. - + '|^', - link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/, - reflink: /^!?\[(label)\]\[(ref)\]/, - nolink: /^!?\[(ref)\](?:\[\])?/, - reflinkSearch: 'reflink|nolink(?!\\()', - emStrong: { - lDelim: /^(?:\*+(?:((?!\*)[punct])|[^\s*]))|^_+(?:((?!_)[punct])|([^\s_]))/, - // (1) and (2) can only be a Right Delimiter. (3) and (4) can only be Left. (5) and (6) can be either Left or Right. - // | Skip orphan inside strong | Consume to delim | (1) #*** | (2) a***#, a*** | (3) #***a, ***a | (4) ***# | (5) #***# | (6) a***a - rDelimAst: /^[^_*]*?__[^_*]*?\*[^_*]*?(?=__)|[^*]+(?=[^*])|(?!\*)[punct](\*+)(?=[\s]|$)|[^punct\s](\*+)(?!\*)(?=[punct\s]|$)|(?!\*)[punct\s](\*+)(?=[^punct\s])|[\s](\*+)(?!\*)(?=[punct])|(?!\*)[punct](\*+)(?!\*)(?=[punct])|[^punct\s](\*+)(?=[^punct\s])/, - rDelimUnd: /^[^_*]*?\*\*[^_*]*?_[^_*]*?(?=\*\*)|[^_]+(?=[^_])|(?!_)[punct](_+)(?=[\s]|$)|[^punct\s](_+)(?!_)(?=[punct\s]|$)|(?!_)[punct\s](_+)(?=[^punct\s])|[\s](_+)(?!_)(?=[punct])|(?!_)[punct](_+)(?!_)(?=[punct])/ // ^- Not allowed for _ - }, - code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/, - br: /^( {2,}|\\)\n(?!\s*$)/, - del: noopTest, - text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\`^|~'; - inline.punctuation = edit(inline.punctuation, 'u').replace(/punctuation/g, inline._punctuation).getRegex(); - // sequences em should skip over [title](link), `code`, - inline.blockSkip = /\[[^[\]]*?\]\([^\(\)]*?\)|`[^`]*?`|<[^<>]*?>/g; - inline.anyPunctuation = /\\[punct]/g; - inline._escapes = /\\([punct])/g; - inline._comment = edit(block._comment).replace('(?:-->|$)', '-->').getRegex(); - inline.emStrong.lDelim = edit(inline.emStrong.lDelim, 'u') - .replace(/punct/g, inline._punctuation) - .getRegex(); - inline.emStrong.rDelimAst = edit(inline.emStrong.rDelimAst, 'gu') - .replace(/punct/g, inline._punctuation) - .getRegex(); - inline.emStrong.rDelimUnd = edit(inline.emStrong.rDelimUnd, 'gu') - .replace(/punct/g, inline._punctuation) - .getRegex(); - inline.anyPunctuation = edit(inline.anyPunctuation, 'gu') - .replace(/punct/g, inline._punctuation) - .getRegex(); - inline._escapes = edit(inline._escapes, 'gu') - .replace(/punct/g, inline._punctuation) - .getRegex(); - inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/; - inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/; - inline.autolink = edit(inline.autolink) - .replace('scheme', inline._scheme) - .replace('email', inline._email) - .getRegex(); - inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/; - inline.tag = edit(inline.tag) - .replace('comment', inline._comment) - .replace('attribute', inline._attribute) - .getRegex(); - inline._label = /(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/; - inline._href = /<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/; - inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/; - inline.link = edit(inline.link) - .replace('label', inline._label) - .replace('href', inline._href) - .replace('title', inline._title) - .getRegex(); - inline.reflink = edit(inline.reflink) - .replace('label', inline._label) - .replace('ref', block._label) - .getRegex(); - inline.nolink = edit(inline.nolink) - .replace('ref', block._label) - .getRegex(); - inline.reflinkSearch = edit(inline.reflinkSearch, 'g') - .replace('reflink', inline.reflink) - .replace('nolink', inline.nolink) - .getRegex(); - /** - * Normal Inline Grammar - */ - inline.normal = { ...inline }; - /** - * Pedantic Inline Grammar - */ - inline.pedantic = { - ...inline.normal, - strong: { - start: /^__|\*\*/, - middle: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/, - endAst: /\*\*(?!\*)/g, - endUnd: /__(?!_)/g - }, - em: { - start: /^_|\*/, - middle: /^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/, - endAst: /\*(?!\*)/g, - endUnd: /_(?!_)/g - }, - link: edit(/^!?\[(label)\]\((.*?)\)/) - .replace('label', inline._label) - .getRegex(), - reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/) - .replace('label', inline._label) - .getRegex() - }; - /** - * GFM Inline Grammar - */ - inline.gfm = { - ...inline.normal, - escape: edit(inline.escape).replace('])', '~|])').getRegex(), - _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/, - url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/, - _backpedal: /(?:[^?!.,:;*_'"~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_'"~)]+(?!$))+/, - del: /^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/, - text: /^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\ { - return leading + ' '.repeat(tabs.length); - }); - } - let token; - let lastToken; - let cutSrc; - let lastParagraphClipped; - while (src) { - if (this.options.extensions - && this.options.extensions.block - && this.options.extensions.block.some((extTokenizer) => { - if (token = extTokenizer.call({ lexer: this }, src, tokens)) { - src = src.substring(token.raw.length); - tokens.push(token); - return true; - } - return false; - })) { - continue; - } - // newline - if (token = this.tokenizer.space(src)) { - src = src.substring(token.raw.length); - if (token.raw.length === 1 && tokens.length > 0) { - // if there's a single \n as a spacer, it's terminating the last line, - // so move it there so that we don't get unecessary paragraph tags - tokens[tokens.length - 1].raw += '\n'; - } - else { - tokens.push(token); - } - continue; - } - // code - if (token = this.tokenizer.code(src)) { - src = src.substring(token.raw.length); - lastToken = tokens[tokens.length - 1]; - // An indented code block cannot interrupt a paragraph. - if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) { - lastToken.raw += '\n' + token.raw; - lastToken.text += '\n' + token.text; - this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; - } - else { - tokens.push(token); - } - continue; - } - // fences - if (token = this.tokenizer.fences(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // heading - if (token = this.tokenizer.heading(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // hr - if (token = this.tokenizer.hr(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // blockquote - if (token = this.tokenizer.blockquote(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // list - if (token = this.tokenizer.list(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // html - if (token = this.tokenizer.html(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // def - if (token = this.tokenizer.def(src)) { - src = src.substring(token.raw.length); - lastToken = tokens[tokens.length - 1]; - if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) { - lastToken.raw += '\n' + token.raw; - lastToken.text += '\n' + token.raw; - this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; - } - else if (!this.tokens.links[token.tag]) { - this.tokens.links[token.tag] = { - href: token.href, - title: token.title - }; - } - continue; - } - // table (gfm) - if (token = this.tokenizer.table(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // lheading - if (token = this.tokenizer.lheading(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // top-level paragraph - // prevent paragraph consuming extensions by clipping 'src' to extension start - cutSrc = src; - if (this.options.extensions && this.options.extensions.startBlock) { - let startIndex = Infinity; - const tempSrc = src.slice(1); - let tempStart; - this.options.extensions.startBlock.forEach((getStartIndex) => { - tempStart = getStartIndex.call({ lexer: this }, tempSrc); - if (typeof tempStart === 'number' && tempStart >= 0) { - startIndex = Math.min(startIndex, tempStart); - } - }); - if (startIndex < Infinity && startIndex >= 0) { - cutSrc = src.substring(0, startIndex + 1); - } - } - if (this.state.top && (token = this.tokenizer.paragraph(cutSrc))) { - lastToken = tokens[tokens.length - 1]; - if (lastParagraphClipped && lastToken.type === 'paragraph') { - lastToken.raw += '\n' + token.raw; - lastToken.text += '\n' + token.text; - this.inlineQueue.pop(); - this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; - } - else { - tokens.push(token); - } - lastParagraphClipped = (cutSrc.length !== src.length); - src = src.substring(token.raw.length); - continue; - } - // text - if (token = this.tokenizer.text(src)) { - src = src.substring(token.raw.length); - lastToken = tokens[tokens.length - 1]; - if (lastToken && lastToken.type === 'text') { - lastToken.raw += '\n' + token.raw; - lastToken.text += '\n' + token.text; - this.inlineQueue.pop(); - this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text; - } - else { - tokens.push(token); - } - continue; - } - if (src) { - const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0); - if (this.options.silent) { - console.error(errMsg); - break; - } - else { - throw new Error(errMsg); - } - } - } - this.state.top = true; - return tokens; - } - inline(src, tokens = []) { - this.inlineQueue.push({ src, tokens }); - return tokens; - } - /** - * Lexing/Compiling - */ - inlineTokens(src, tokens = []) { - let token, lastToken, cutSrc; - // String with links masked to avoid interference with em and strong - let maskedSrc = src; - let match; - let keepPrevChar, prevChar; - // Mask out reflinks - if (this.tokens.links) { - const links = Object.keys(this.tokens.links); - if (links.length > 0) { - while ((match = this.tokenizer.rules.inline.reflinkSearch.exec(maskedSrc)) != null) { - if (links.includes(match[0].slice(match[0].lastIndexOf('[') + 1, -1))) { - maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex); - } - } - } - } - // Mask out other blocks - while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) { - maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex); - } - // Mask out escaped characters - while ((match = this.tokenizer.rules.inline.anyPunctuation.exec(maskedSrc)) != null) { - maskedSrc = maskedSrc.slice(0, match.index) + '++' + maskedSrc.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex); - } - while (src) { - if (!keepPrevChar) { - prevChar = ''; - } - keepPrevChar = false; - // extensions - if (this.options.extensions - && this.options.extensions.inline - && this.options.extensions.inline.some((extTokenizer) => { - if (token = extTokenizer.call({ lexer: this }, src, tokens)) { - src = src.substring(token.raw.length); - tokens.push(token); - return true; - } - return false; - })) { - continue; - } - // escape - if (token = this.tokenizer.escape(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // tag - if (token = this.tokenizer.tag(src)) { - src = src.substring(token.raw.length); - lastToken = tokens[tokens.length - 1]; - if (lastToken && token.type === 'text' && lastToken.type === 'text') { - lastToken.raw += token.raw; - lastToken.text += token.text; - } - else { - tokens.push(token); - } - continue; - } - // link - if (token = this.tokenizer.link(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // reflink, nolink - if (token = this.tokenizer.reflink(src, this.tokens.links)) { - src = src.substring(token.raw.length); - lastToken = tokens[tokens.length - 1]; - if (lastToken && token.type === 'text' && lastToken.type === 'text') { - lastToken.raw += token.raw; - lastToken.text += token.text; - } - else { - tokens.push(token); - } - continue; - } - // em & strong - if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // code - if (token = this.tokenizer.codespan(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // br - if (token = this.tokenizer.br(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // del (gfm) - if (token = this.tokenizer.del(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // autolink - if (token = this.tokenizer.autolink(src)) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // url (gfm) - if (!this.state.inLink && (token = this.tokenizer.url(src))) { - src = src.substring(token.raw.length); - tokens.push(token); - continue; - } - // text - // prevent inlineText consuming extensions by clipping 'src' to extension start - cutSrc = src; - if (this.options.extensions && this.options.extensions.startInline) { - let startIndex = Infinity; - const tempSrc = src.slice(1); - let tempStart; - this.options.extensions.startInline.forEach((getStartIndex) => { - tempStart = getStartIndex.call({ lexer: this }, tempSrc); - if (typeof tempStart === 'number' && tempStart >= 0) { - startIndex = Math.min(startIndex, tempStart); - } - }); - if (startIndex < Infinity && startIndex >= 0) { - cutSrc = src.substring(0, startIndex + 1); - } - } - if (token = this.tokenizer.inlineText(cutSrc)) { - src = src.substring(token.raw.length); - if (token.raw.slice(-1) !== '_') { // Track prevChar before string of ____ started - prevChar = token.raw.slice(-1); - } - keepPrevChar = true; - lastToken = tokens[tokens.length - 1]; - if (lastToken && lastToken.type === 'text') { - lastToken.raw += token.raw; - lastToken.text += token.text; - } - else { - tokens.push(token); - } - continue; - } - if (src) { - const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0); - if (this.options.silent) { - console.error(errMsg); - break; - } - else { - throw new Error(errMsg); - } - } - } - return tokens; - } - } - - /** - * Renderer - */ - class _Renderer { - options; - constructor(options) { - this.options = options || exports.defaults; - } - code(code, infostring, escaped) { - const lang = (infostring || '').match(/^\S*/)?.[0]; - code = code.replace(/\n$/, '') + '\n'; - if (!lang) { - return '
'
-                    + (escaped ? code : escape(code, true))
-                    + '
\n'; - } - return '
'
-                + (escaped ? code : escape(code, true))
-                + '
\n'; - } - blockquote(quote) { - return `
\n${quote}
\n`; - } - html(html, block) { - return html; - } - heading(text, level, raw) { - // ignore IDs - return `${text}\n`; - } - hr() { - return '
\n'; - } - list(body, ordered, start) { - const type = ordered ? 'ol' : 'ul'; - const startatt = (ordered && start !== 1) ? (' start="' + start + '"') : ''; - return '<' + type + startatt + '>\n' + body + '\n'; - } - listitem(text, task, checked) { - return `
  • ${text}
    • \n`; - } - checkbox(checked) { - return ''; - } - paragraph(text) { - return `

    ${text}

    \n`; - } - table(header, body) { - if (body) - body = `${body}`; - return '\n' - + '\n' - + header - + '\n' - + body - + '
    \n'; - } - tablerow(content) { - return `\n${content}\n`; - } - tablecell(content, flags) { - const type = flags.header ? 'th' : 'td'; - const tag = flags.align - ? `<${type} align="${flags.align}">` - : `<${type}>`; - return tag + content + `\n`; - } - /** - * span level renderer - */ - strong(text) { - return `${text}`; - } - em(text) { - return `${text}`; - } - codespan(text) { - return `${text}`; - } - br() { - return '
    '; - } - del(text) { - return `${text}`; - } - link(href, title, text) { - const cleanHref = cleanUrl(href); - if (cleanHref === null) { - return text; - } - href = cleanHref; - let out = '    '; - return out; - } - image(href, title, text) { - const cleanHref = cleanUrl(href); - if (cleanHref === null) { - return text; - } - href = cleanHref; - let out = `${text} 0 && item.tokens[0].type === 'paragraph') { - item.tokens[0].text = checkbox + ' ' + item.tokens[0].text; - if (item.tokens[0].tokens && item.tokens[0].tokens.length > 0 && item.tokens[0].tokens[0].type === 'text') { - item.tokens[0].tokens[0].text = checkbox + ' ' + item.tokens[0].tokens[0].text; - } - } - else { - item.tokens.unshift({ - type: 'text', - text: checkbox + ' ' - }); - } - } - else { - itemBody += checkbox + ' '; - } - } - itemBody += this.parse(item.tokens, loose); - body += this.renderer.listitem(itemBody, task, !!checked); - } - out += this.renderer.list(body, ordered, start); - continue; - } - case 'html': { - const htmlToken = token; - out += this.renderer.html(htmlToken.text, htmlToken.block); - continue; - } - case 'paragraph': { - const paragraphToken = token; - out += this.renderer.paragraph(this.parseInline(paragraphToken.tokens)); - continue; - } - case 'text': { - let textToken = token; - let body = textToken.tokens ? this.parseInline(textToken.tokens) : textToken.text; - while (i + 1 < tokens.length && tokens[i + 1].type === 'text') { - textToken = tokens[++i]; - body += '\n' + (textToken.tokens ? this.parseInline(textToken.tokens) : textToken.text); - } - out += top ? this.renderer.paragraph(body) : body; - continue; - } - default: { - const errMsg = 'Token with "' + token.type + '" type was not found.'; - if (this.options.silent) { - console.error(errMsg); - return ''; - } - else { - throw new Error(errMsg); - } - } - } - } - return out; - } - /** - * Parse Inline Tokens - */ - parseInline(tokens, renderer) { - renderer = renderer || this.renderer; - let out = ''; - for (let i = 0; i < tokens.length; i++) { - const token = tokens[i]; - // Run any renderer extensions - if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) { - const ret = this.options.extensions.renderers[token.type].call({ parser: this }, token); - if (ret !== false || !['escape', 'html', 'link', 'image', 'strong', 'em', 'codespan', 'br', 'del', 'text'].includes(token.type)) { - out += ret || ''; - continue; - } - } - switch (token.type) { - case 'escape': { - const escapeToken = token; - out += renderer.text(escapeToken.text); - break; - } - case 'html': { - const tagToken = token; - out += renderer.html(tagToken.text); - break; - } - case 'link': { - const linkToken = token; - out += renderer.link(linkToken.href, linkToken.title, this.parseInline(linkToken.tokens, renderer)); - break; - } - case 'image': { - const imageToken = token; - out += renderer.image(imageToken.href, imageToken.title, imageToken.text); - break; - } - case 'strong': { - const strongToken = token; - out += renderer.strong(this.parseInline(strongToken.tokens, renderer)); - break; - } - case 'em': { - const emToken = token; - out += renderer.em(this.parseInline(emToken.tokens, renderer)); - break; - } - case 'codespan': { - const codespanToken = token; - out += renderer.codespan(codespanToken.text); - break; - } - case 'br': { - out += renderer.br(); - break; - } - case 'del': { - const delToken = token; - out += renderer.del(this.parseInline(delToken.tokens, renderer)); - break; - } - case 'text': { - const textToken = token; - out += renderer.text(textToken.text); - break; - } - default: { - const errMsg = 'Token with "' + token.type + '" type was not found.'; - if (this.options.silent) { - console.error(errMsg); - return ''; - } - else { - throw new Error(errMsg); - } - } - } - } - return out; - } - } - - class _Hooks { - options; - constructor(options) { - this.options = options || exports.defaults; - } - static passThroughHooks = new Set([ - 'preprocess', - 'postprocess' - ]); - /** - * Process markdown before marked - */ - preprocess(markdown) { - return markdown; - } - /** - * Process HTML after marked is finished - */ - postprocess(html) { - return html; - } - } - - class Marked { - defaults = _getDefaults(); - options = this.setOptions; - parse = this.#parseMarkdown(_Lexer.lex, _Parser.parse); - parseInline = this.#parseMarkdown(_Lexer.lexInline, _Parser.parseInline); - Parser = _Parser; - parser = _Parser.parse; - Renderer = _Renderer; - TextRenderer = _TextRenderer; - Lexer = _Lexer; - lexer = _Lexer.lex; - Tokenizer = _Tokenizer; - Hooks = _Hooks; - constructor(...args) { - this.use(...args); - } - /** - * Run callback for every token - */ - walkTokens(tokens, callback) { - let values = []; - for (const token of tokens) { - values = values.concat(callback.call(this, token)); - switch (token.type) { - case 'table': { - const tableToken = token; - for (const cell of tableToken.header) { - values = values.concat(this.walkTokens(cell.tokens, callback)); - } - for (const row of tableToken.rows) { - for (const cell of row) { - values = values.concat(this.walkTokens(cell.tokens, callback)); - } - } - break; - } - case 'list': { - const listToken = token; - values = values.concat(this.walkTokens(listToken.items, callback)); - break; - } - default: { - const genericToken = token; - if (this.defaults.extensions?.childTokens?.[genericToken.type]) { - this.defaults.extensions.childTokens[genericToken.type].forEach((childTokens) => { - values = values.concat(this.walkTokens(genericToken[childTokens], callback)); - }); - } - else if (genericToken.tokens) { - values = values.concat(this.walkTokens(genericToken.tokens, callback)); - } - } - } - } - return values; - } - use(...args) { - const extensions = this.defaults.extensions || { renderers: {}, childTokens: {} }; - args.forEach((pack) => { - // copy options to new object - const opts = { ...pack }; - // set async to true if it was set to true before - opts.async = this.defaults.async || opts.async || false; - // ==-- Parse "addon" extensions --== // - if (pack.extensions) { - pack.extensions.forEach((ext) => { - if (!ext.name) { - throw new Error('extension name required'); - } - if ('renderer' in ext) { // Renderer extensions - const prevRenderer = extensions.renderers[ext.name]; - if (prevRenderer) { - // Replace extension with func to run new extension but fall back if false - extensions.renderers[ext.name] = function (...args) { - let ret = ext.renderer.apply(this, args); - if (ret === false) { - ret = prevRenderer.apply(this, args); - } - return ret; - }; - } - else { - extensions.renderers[ext.name] = ext.renderer; - } - } - if ('tokenizer' in ext) { // Tokenizer Extensions - if (!ext.level || (ext.level !== 'block' && ext.level !== 'inline')) { - throw new Error("extension level must be 'block' or 'inline'"); - } - const extLevel = extensions[ext.level]; - if (extLevel) { - extLevel.unshift(ext.tokenizer); - } - else { - extensions[ext.level] = [ext.tokenizer]; - } - if (ext.start) { // Function to check for start of token - if (ext.level === 'block') { - if (extensions.startBlock) { - extensions.startBlock.push(ext.start); - } - else { - extensions.startBlock = [ext.start]; - } - } - else if (ext.level === 'inline') { - if (extensions.startInline) { - extensions.startInline.push(ext.start); - } - else { - extensions.startInline = [ext.start]; - } - } - } - } - if ('childTokens' in ext && ext.childTokens) { // Child tokens to be visited by walkTokens - extensions.childTokens[ext.name] = ext.childTokens; - } - }); - opts.extensions = extensions; - } - // ==-- Parse "overwrite" extensions --== // - if (pack.renderer) { - const renderer = this.defaults.renderer || new _Renderer(this.defaults); - for (const prop in pack.renderer) { - const rendererFunc = pack.renderer[prop]; - const rendererKey = prop; - const prevRenderer = renderer[rendererKey]; - // Replace renderer with func to run extension, but fall back if false - renderer[rendererKey] = (...args) => { - let ret = rendererFunc.apply(renderer, args); - if (ret === false) { - ret = prevRenderer.apply(renderer, args); - } - return ret || ''; - }; - } - opts.renderer = renderer; - } - if (pack.tokenizer) { - const tokenizer = this.defaults.tokenizer || new _Tokenizer(this.defaults); - for (const prop in pack.tokenizer) { - const tokenizerFunc = pack.tokenizer[prop]; - const tokenizerKey = prop; - const prevTokenizer = tokenizer[tokenizerKey]; - // Replace tokenizer with func to run extension, but fall back if false - tokenizer[tokenizerKey] = (...args) => { - let ret = tokenizerFunc.apply(tokenizer, args); - if (ret === false) { - ret = prevTokenizer.apply(tokenizer, args); - } - return ret; - }; - } - opts.tokenizer = tokenizer; - } - // ==-- Parse Hooks extensions --== // - if (pack.hooks) { - const hooks = this.defaults.hooks || new _Hooks(); - for (const prop in pack.hooks) { - const hooksFunc = pack.hooks[prop]; - const hooksKey = prop; - const prevHook = hooks[hooksKey]; - if (_Hooks.passThroughHooks.has(prop)) { - hooks[hooksKey] = (arg) => { - if (this.defaults.async) { - return Promise.resolve(hooksFunc.call(hooks, arg)).then(ret => { - return prevHook.call(hooks, ret); - }); - } - const ret = hooksFunc.call(hooks, arg); - return prevHook.call(hooks, ret); - }; - } - else { - hooks[hooksKey] = (...args) => { - let ret = hooksFunc.apply(hooks, args); - if (ret === false) { - ret = prevHook.apply(hooks, args); - } - return ret; - }; - } - } - opts.hooks = hooks; - } - // ==-- Parse WalkTokens extensions --== // - if (pack.walkTokens) { - const walkTokens = this.defaults.walkTokens; - const packWalktokens = pack.walkTokens; - opts.walkTokens = function (token) { - let values = []; - values.push(packWalktokens.call(this, token)); - if (walkTokens) { - values = values.concat(walkTokens.call(this, token)); - } - return values; - }; - } - this.defaults = { ...this.defaults, ...opts }; - }); - return this; - } - setOptions(opt) { - this.defaults = { ...this.defaults, ...opt }; - return this; - } - #parseMarkdown(lexer, parser) { - return (src, options) => { - const origOpt = { ...options }; - const opt = { ...this.defaults, ...origOpt }; - // Show warning if an extension set async to true but the parse was called with async: false - if (this.defaults.async === true && origOpt.async === false) { - if (!opt.silent) { - console.warn('marked(): The async option was set to true by an extension. The async: false option sent to parse will be ignored.'); - } - opt.async = true; - } - const throwError = this.#onError(!!opt.silent, !!opt.async); - // throw error in case of non string input - if (typeof src === 'undefined' || src === null) { - return throwError(new Error('marked(): input parameter is undefined or null')); - } - if (typeof src !== 'string') { - return throwError(new Error('marked(): input parameter is of type ' - + Object.prototype.toString.call(src) + ', string expected')); - } - if (opt.hooks) { - opt.hooks.options = opt; - } - if (opt.async) { - return Promise.resolve(opt.hooks ? opt.hooks.preprocess(src) : src) - .then(src => lexer(src, opt)) - .then(tokens => opt.walkTokens ? Promise.all(this.walkTokens(tokens, opt.walkTokens)).then(() => tokens) : tokens) - .then(tokens => parser(tokens, opt)) - .then(html => opt.hooks ? opt.hooks.postprocess(html) : html) - .catch(throwError); - } - try { - if (opt.hooks) { - src = opt.hooks.preprocess(src); - } - const tokens = lexer(src, opt); - if (opt.walkTokens) { - this.walkTokens(tokens, opt.walkTokens); - } - let html = parser(tokens, opt); - if (opt.hooks) { - html = opt.hooks.postprocess(html); - } - return html; - } - catch (e) { - return throwError(e); - } - }; - } - #onError(silent, async) { - return (e) => { - e.message += '\nPlease report this to https://github.com/markedjs/marked.'; - if (silent) { - const msg = '

    An error occurred:

    '
-                        + escape(e.message + '', true)
-                        + '
    '; - if (async) { - return Promise.resolve(msg); - } - return msg; - } - if (async) { - return Promise.reject(e); - } - throw e; - }; - } - } - - const markedInstance = new Marked(); - function marked(src, opt) { - return markedInstance.parse(src, opt); - } - /** - * Sets the default options. - * - * @param options Hash of options - */ - marked.options = - marked.setOptions = function (options) { - markedInstance.setOptions(options); - marked.defaults = markedInstance.defaults; - changeDefaults(marked.defaults); - return marked; - }; - /** - * Gets the original marked default options. - */ - marked.getDefaults = _getDefaults; - marked.defaults = exports.defaults; - /** - * Use Extension - */ - marked.use = function (...args) { - markedInstance.use(...args); - marked.defaults = markedInstance.defaults; - changeDefaults(marked.defaults); - return marked; - }; - /** - * Run callback for every token - */ - marked.walkTokens = function (tokens, callback) { - return markedInstance.walkTokens(tokens, callback); - }; - /** - * Compiles markdown to HTML without enclosing `p` tag. - * - * @param src String of markdown source to be compiled - * @param options Hash of options - * @return String of compiled HTML - */ - marked.parseInline = markedInstance.parseInline; - /** - * Expose - */ - marked.Parser = _Parser; - marked.parser = _Parser.parse; - marked.Renderer = _Renderer; - marked.TextRenderer = _TextRenderer; - marked.Lexer = _Lexer; - marked.lexer = _Lexer.lex; - marked.Tokenizer = _Tokenizer; - marked.Hooks = _Hooks; - marked.parse = marked; - const options = marked.options; - const setOptions = marked.setOptions; - const use = marked.use; - const walkTokens = marked.walkTokens; - const parseInline = marked.parseInline; - const parse = marked; - const parser = _Parser.parse; - const lexer = _Lexer.lex; - - exports.Hooks = _Hooks; - exports.Lexer = _Lexer; - exports.Marked = Marked; - exports.Parser = _Parser; - exports.Renderer = _Renderer; - exports.TextRenderer = _TextRenderer; - exports.Tokenizer = _Tokenizer; - exports.getDefaults = _getDefaults; - exports.lexer = lexer; - exports.marked = marked; - exports.options = options; - exports.parse = parse; - exports.parseInline = parseInline; - exports.parser = parser; - exports.setOptions = setOptions; - exports.use = use; - exports.walkTokens = walkTokens; - -})); -//# sourceMappingURL=marked.umd.js.map diff --git a/app/src/main/java/com/wbrawner/simplemarkdown/MarkdownViewModel.kt b/app/src/main/java/com/wbrawner/simplemarkdown/MarkdownViewModel.kt index 1efe69f..603eda3 100644 --- a/app/src/main/java/com/wbrawner/simplemarkdown/MarkdownViewModel.kt +++ b/app/src/main/java/com/wbrawner/simplemarkdown/MarkdownViewModel.kt @@ -8,7 +8,6 @@ import com.wbrawner.simplemarkdown.utility.FileHelper import com.wbrawner.simplemarkdown.utility.Preference import com.wbrawner.simplemarkdown.utility.PreferenceHelper import kotlinx.coroutines.Dispatchers -import kotlinx.coroutines.coroutineScope import kotlinx.coroutines.flow.MutableStateFlow import kotlinx.coroutines.flow.asStateFlow import kotlinx.coroutines.launch diff --git a/app/src/main/java/com/wbrawner/simplemarkdown/ui/MainScreen.kt b/app/src/main/java/com/wbrawner/simplemarkdown/ui/MainScreen.kt index 0cb10b8..26b249c 100644 --- a/app/src/main/java/com/wbrawner/simplemarkdown/ui/MainScreen.kt +++ b/app/src/main/java/com/wbrawner/simplemarkdown/ui/MainScreen.kt @@ -300,7 +300,7 @@ private fun MainScreen( .width(1.dp) .background(color = MaterialTheme.colorScheme.primary) ) - MarkdownPreview( + MarkdownText( modifier = Modifier .fillMaxHeight() .weight(1f), @@ -362,7 +362,7 @@ private fun TabbedMarkdownEditor( enableReadability = enableReadability ) } else { - MarkdownPreview(modifier = Modifier.fillMaxSize(), markdown) + MarkdownText(modifier = Modifier.fillMaxSize(), markdown) } } } @@ -436,30 +436,34 @@ fun MarkdownTopAppBar( actions: (@Composable RowScope.() -> Unit)? = null ) { val coroutineScope = rememberCoroutineScope() - TopAppBar(title = { - Text(text = title, maxLines = 1, overflow = TextOverflow.Ellipsis) - }, navigationIcon = { - val (icon, contentDescription, onClick) = remember { - if (backAsUp) { - Triple(Icons.AutoMirrored.Filled.ArrowBack, "Go Back", goBack) - } else { - Triple( - Icons.Default.Menu, "Main Menu" - ) { - coroutineScope.launch { - if (drawerState?.isOpen == true) { - drawerState.close() - } else { - drawerState?.open() + TopAppBar( + title = { + Text(text = title, maxLines = 1, overflow = TextOverflow.Ellipsis) + }, + navigationIcon = { + val (icon, contentDescription, onClick) = remember { + if (backAsUp) { + Triple(Icons.AutoMirrored.Filled.ArrowBack, "Go Back", goBack) + } else { + Triple( + Icons.Default.Menu, "Main Menu" + ) { + coroutineScope.launch { + if (drawerState?.isOpen == true) { + drawerState.close() + } else { + drawerState?.open() + } } } } } - } - IconButton(onClick = { onClick() }) { - Icon(imageVector = icon, contentDescription = contentDescription) - } - }, actions = actions ?: {}) + IconButton(onClick = { onClick() }) { + Icon(imageVector = icon, contentDescription = contentDescription) + } + }, actions = actions ?: {}, + scrollBehavior = TopAppBarDefaults.enterAlwaysScrollBehavior() + ) } @Composable diff --git a/app/src/main/java/com/wbrawner/simplemarkdown/ui/MarkdownInfoScreen.kt b/app/src/main/java/com/wbrawner/simplemarkdown/ui/MarkdownInfoScreen.kt index 3a7c3ce..2eb5a7e 100644 --- a/app/src/main/java/com/wbrawner/simplemarkdown/ui/MarkdownInfoScreen.kt +++ b/app/src/main/java/com/wbrawner/simplemarkdown/ui/MarkdownInfoScreen.kt @@ -31,7 +31,7 @@ fun MarkdownInfoScreen( LaunchedEffect(file) { setMarkdown(context.assets.readAssetToString(file) ?: "Failed to load $file") } - MarkdownPreview( + MarkdownText( modifier = Modifier .fillMaxSize() .padding(paddingValues), diff --git a/app/src/main/java/com/wbrawner/simplemarkdown/ui/MarkdownPreview.kt b/app/src/main/java/com/wbrawner/simplemarkdown/ui/MarkdownText.kt similarity index 50% rename from app/src/main/java/com/wbrawner/simplemarkdown/ui/MarkdownPreview.kt rename to app/src/main/java/com/wbrawner/simplemarkdown/ui/MarkdownText.kt index 98bd070..5b93dc4 100644 --- a/app/src/main/java/com/wbrawner/simplemarkdown/ui/MarkdownPreview.kt +++ b/app/src/main/java/com/wbrawner/simplemarkdown/ui/MarkdownText.kt @@ -1,31 +1,36 @@ package com.wbrawner.simplemarkdown.ui -import android.content.Context import android.view.ViewGroup import android.webkit.WebView import androidx.compose.foundation.isSystemInDarkTheme import androidx.compose.material3.MaterialTheme import androidx.compose.runtime.Composable import androidx.compose.runtime.LaunchedEffect -import androidx.compose.runtime.getValue import androidx.compose.runtime.mutableStateOf import androidx.compose.runtime.remember -import androidx.compose.runtime.setValue import androidx.compose.ui.Modifier import androidx.compose.ui.graphics.Color import androidx.compose.ui.graphics.toArgb -import androidx.compose.ui.platform.LocalContext import androidx.compose.ui.viewinterop.AndroidView +import com.wbrawner.md4k.MD4K import com.wbrawner.simplemarkdown.BuildConfig import kotlinx.coroutines.Dispatchers import kotlinx.coroutines.withContext -import java.io.Reader -private const val container = "
    " +@Composable +fun MarkdownText(modifier: Modifier = Modifier, markdown: String) { + val (html, setHtml) = remember { mutableStateOf("") } + LaunchedEffect(markdown) { + withContext(Dispatchers.IO) { + setHtml(MD4K.toHtml(markdown)) + } + } + HtmlText(modifier = modifier, html = html) +} @OptIn(ExperimentalStdlibApi::class) @Composable -fun MarkdownPreview(modifier: Modifier = Modifier, markdown: String) { +fun HtmlText(html: String, modifier: Modifier = Modifier) { val materialColors = MaterialTheme.colorScheme val style = remember(isSystemInDarkTheme()) { """body { @@ -37,37 +42,10 @@ fun MarkdownPreview(modifier: Modifier = Modifier, markdown: String) { | color: #${materialColors.onSurfaceVariant.toArgb().toHexString().substring(2)}; |}""".trimMargin().wrapTag("style") } - var marked by remember { mutableStateOf("") } - var markedHighlight by remember { mutableStateOf("") } - var highlightJs by remember { mutableStateOf("") } - var highlightCss by remember { mutableStateOf("") } - var markdownJs by remember { mutableStateOf("") } - val markdownUpdateJs by remember(markdown) { - mutableStateOf( - "setMarkdown(`${ - markdown.replace( - "`", - "\\`" - ) - }`)".wrapTag("script") - ) - } - val context = LocalContext.current - LaunchedEffect(context) { - withContext(Dispatchers.IO) { - marked = context.assetToString("marked.js").wrapTag("script") - markedHighlight = context.assetToString("marked-highlight.js").wrapTag("script") - highlightJs = context.assetToString("highlight.js").wrapTag("script") - highlightCss = context.assetToString("highlight.css").wrapTag("style") - markdownJs = context.assetToString("markdown.js").wrapTag("script") - } - } + AndroidView( modifier = modifier, factory = { context -> - val content = - highlightCss + style + container + marked + markedHighlight + highlightJs + markdownJs + markdownUpdateJs - WebView(context).apply { WebView.setWebContentsDebuggingEnabled(BuildConfig.DEBUG) layoutParams = ViewGroup.LayoutParams( @@ -77,18 +55,13 @@ fun MarkdownPreview(modifier: Modifier = Modifier, markdown: String) { setBackgroundColor(Color.Transparent.toArgb()) isNestedScrollingEnabled = false settings.javaScriptEnabled = true - loadDataWithBaseURL(null, content, "text/html", "UTF-8", null) + loadDataWithBaseURL(null, style + html, "text/html", "UTF-8", null) } }, update = { webView -> - val content = - highlightCss + style + container + marked + markedHighlight + highlightJs + markdownJs + markdownUpdateJs - webView.loadDataWithBaseURL(null, content, "text/html", "UTF-8", null) + webView.loadDataWithBaseURL(null, style + html, "text/html", "UTF-8", null) } ) } -private fun String.wrapTag(tag: String) = "<$tag>$this" - -private fun Context.assetToString(fileName: String): String = - assets.open(fileName).reader().use(Reader::readText) \ No newline at end of file +private fun String.wrapTag(tag: String) = "<$tag>$this" \ No newline at end of file diff --git a/md4k/.gitignore b/md4k/.gitignore new file mode 100644 index 0000000..7607bd2 --- /dev/null +++ b/md4k/.gitignore @@ -0,0 +1,2 @@ +/build +/.cxx \ No newline at end of file diff --git a/md4k/CMakeLists.txt b/md4k/CMakeLists.txt new file mode 100644 index 0000000..5eb4b64 --- /dev/null +++ b/md4k/CMakeLists.txt @@ -0,0 +1,18 @@ +cmake_minimum_required(VERSION 3.22.1) + +project("md4k") + +add_subdirectory("lib/md4c") +set(BUILD_MD2HTML_EXECUTABLE OFF) + +add_library(${CMAKE_PROJECT_NAME} SHARED + src/main/cpp/md4k.c) + +target_link_libraries(${CMAKE_PROJECT_NAME} + md4c + md4c-html +) + +target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC + ${PROJECT_SOURCE_DIR}/lib/md4c/src +) \ No newline at end of file diff --git a/md4k/build.gradle.kts b/md4k/build.gradle.kts new file mode 100644 index 0000000..f364ed6 --- /dev/null +++ b/md4k/build.gradle.kts @@ -0,0 +1,41 @@ +plugins { + id("com.android.library") + id("org.jetbrains.kotlin.android") +} + +android { + namespace = "com.wbrawner.md4k" + compileSdk = 34 + + defaultConfig { + minSdk = 23 + + testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" + consumerProguardFiles("consumer-rules.pro") + externalNativeBuild { + cmake { + cppFlags("") + } + } + } + + buildTypes { + release { + isMinifyEnabled = false + proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro") + } + } + externalNativeBuild { + cmake { + path("CMakeLists.txt") + version = "3.22.1" + } + } + compileOptions { + sourceCompatibility = JavaVersion.VERSION_1_8 + targetCompatibility = JavaVersion.VERSION_1_8 + } + kotlinOptions { + jvmTarget = "1.8" + } +} diff --git a/md4k/consumer-rules.pro b/md4k/consumer-rules.pro new file mode 100644 index 0000000..e69de29 diff --git a/md4k/lib/md4c b/md4k/lib/md4c new file mode 160000 index 0000000..481fbfb --- /dev/null +++ b/md4k/lib/md4c @@ -0,0 +1 @@ +Subproject commit 481fbfbdf72daab2912380d62bb5f2187d438408 diff --git a/md4k/proguard-rules.pro b/md4k/proguard-rules.pro new file mode 100644 index 0000000..481bb43 --- /dev/null +++ b/md4k/proguard-rules.pro @@ -0,0 +1,21 @@ +# Add project specific ProGuard rules here. +# You can control the set of applied configuration files using the +# proguardFiles setting in build.gradle. +# +# For more details, see +# http://developer.android.com/guide/developing/tools/proguard.html + +# If your project uses WebView with JS, uncomment the following +# and specify the fully qualified class name to the JavaScript interface +# class: +#-keepclassmembers class fqcn.of.javascript.interface.for.webview { +# public *; +#} + +# Uncomment this to preserve the line number information for +# debugging stack traces. +#-keepattributes SourceFile,LineNumberTable + +# If you keep the line number information, uncomment this to +# hide the original source file name. +#-renamesourcefileattribute SourceFile \ No newline at end of file diff --git a/md4k/src/main/AndroidManifest.xml b/md4k/src/main/AndroidManifest.xml new file mode 100644 index 0000000..a5918e6 --- /dev/null +++ b/md4k/src/main/AndroidManifest.xml @@ -0,0 +1,4 @@ + + + + \ No newline at end of file diff --git a/md4k/src/main/cpp/md4k.c b/md4k/src/main/cpp/md4k.c new file mode 100644 index 0000000..7e9eb82 --- /dev/null +++ b/md4k/src/main/cpp/md4k.c @@ -0,0 +1,41 @@ +#include +#include "md4c.h" +#include "md4c-html.h" +#include +#include + +typedef struct { + char *data; + size_t length; +} HtmlBuffer; + +void process_output(const MD_CHAR *output, MD_SIZE size, void *userdata) { + HtmlBuffer *buffer = (HtmlBuffer *) userdata; + buffer->data = realloc(buffer->data, buffer->length + size); + memcpy(buffer->data + buffer->length, output, size); + buffer->length += size; +} + +jstring Java_com_wbrawner_md4k_MD4K_toHtml( + JNIEnv *env, + jobject this, + jstring markdown +) { + const char *nativeString = (*env)->GetStringUTFChars(env, markdown, NULL); + HtmlBuffer buffer; + buffer.data = malloc(0); + buffer.length = 0; + md_html( + nativeString, + strlen(nativeString), + &process_output, + &buffer, + MD_FLAG_PERMISSIVEAUTOLINKS | MD_FLAG_TABLES | MD_FLAG_STRIKETHROUGH | + MD_FLAG_TASKLISTS | MD_FLAG_LATEXMATHSPANS | MD_FLAG_WIKILINKS | MD_FLAG_UNDERLINE, + 0 + ); + (*env)->ReleaseStringUTFChars(env, markdown, nativeString); + jstring html = (*env)->NewStringUTF(env, buffer.data); + free(buffer.data); + return html; +} \ No newline at end of file diff --git a/md4k/src/main/java/com/wbrawner/md4k/MD4K.kt b/md4k/src/main/java/com/wbrawner/md4k/MD4K.kt new file mode 100644 index 0000000..4dd620e --- /dev/null +++ b/md4k/src/main/java/com/wbrawner/md4k/MD4K.kt @@ -0,0 +1,12 @@ +package com.wbrawner.md4k + +object MD4K { + + init { + System.loadLibrary("md4k") + } + + external fun toHtml(markdown: String): String +} + +fun String.toHtml() = MD4K.toHtml(this) \ No newline at end of file diff --git a/settings.gradle.kts b/settings.gradle.kts index 15a801b..cafa18d 100644 --- a/settings.gradle.kts +++ b/settings.gradle.kts @@ -1 +1 @@ -include(":app") +include(":app", ":md4k")