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feat: close brackets automatically
自动关闭括号
This commit is contained in:
yanglbme
parent
da47016fd6
commit
5d13acb1e0
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@ -46,6 +46,7 @@ let app = new Vue({
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lineNumbers: false,
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lineWrapping: true,
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styleActiveLine: true,
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autoCloseBrackets: true,
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theme: this.currentEditorTheme,
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mode: 'text/x-markdown'
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}
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@ -98,7 +98,6 @@ let WxRenderer = function (opts) {
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styleMapping = this.buildTheme(this.opts.theme);
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let renderer = new marked.Renderer();
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FuriganaMD.register(renderer);
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renderer.heading = (text, level) => {
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switch (level) {
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@ -128,7 +128,7 @@
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<script src="libs/scripts/prettify.min.js"></script>
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<script src="libs/scripts/index.js"></script>
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<script src="libs/scripts/jquery.min.js"></script>
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<script src="libs/scripts/FuriganaMD.js"></script>
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<script src="libs/scripts/closebrackets.js"></script>
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<script src="assets/scripts/sync-scroll.js"></script>
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<script src="assets/scripts/themes/default-theme.js"></script>
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@ -1,241 +0,0 @@
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/**
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* 注音功能来自于：https://github.com/amclees/furigana-markdown
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* 详见上述文档
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global.FuriganaMD = factory());
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}(this, (function () {
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'use strict';
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// This function escapes special characters for use in a regex constructor.
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function escapeForRegex(string) {
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return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
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}
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function emptyStringFilter(block) {
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return block !== '';
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}
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const kanjiRange = '\\u4e00-\\u9faf';
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const kanjiBlockRegex = new RegExp(`[${kanjiRange}]+`, 'g');
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const nonKanjiBlockRegex = new RegExp(`[^${kanjiRange}]+`, 'g');
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const kanaWithAnnotations = '\\u3041-\\u3095\\u3099-\\u309c\\u3081-\\u30fa\\u30fc';
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const furiganaSeperators = '.．。・';
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const seperatorRegex = new RegExp(`[${furiganaSeperators}]`, 'g');
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const singleKanjiRegex = new RegExp(`^[${kanjiRange}]$`);
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function isKanji(character) {
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return character.match(singleKanjiRegex);
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}
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const innerRegexString = '(?:[^\\u0000-\\u007F]|\\w)+';
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let regexList = [];
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let previousFuriganaForms = '';
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function updateRegexList(furiganaForms) {
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previousFuriganaForms = furiganaForms;
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let formArray = furiganaForms.split('|');
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if (formArray.length === 0) {
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formArray = ['[]:^:()'];
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}
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regexList = formArray.map(form => {
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let furiganaComponents = form.split(':');
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if (furiganaComponents.length !== 3) {
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furiganaComponents = ['[]', '^', '()'];
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}
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const mainBrackets = furiganaComponents[0];
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const seperator = furiganaComponents[1];
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const furiganaBrackets = furiganaComponents[2];
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return new RegExp(
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escapeForRegex(mainBrackets[0]) +
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'(' + innerRegexString + ')' +
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escapeForRegex(mainBrackets[1]) +
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escapeForRegex(seperator) +
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escapeForRegex(furiganaBrackets[0]) +
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'(' + innerRegexString + ')' +
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escapeForRegex(furiganaBrackets[1]),
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'g'
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);
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});
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}
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let autoRegexList = [];
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let previousAutoBracketSets = '';
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function updateAutoRegexList(autoBracketSets) {
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previousAutoBracketSets = autoBracketSets;
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autoRegexList = autoBracketSets.split('|').map(brackets => {
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/*
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Sample built regex:
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/(^|[^\u4e00-\u9faf]|)([\u4e00-\u9faf]+)([\u3041-\u3095\u3099-\u309c\u3081-\u30fa\u30fc]*)【((?:[^【】\u4e00-\u9faf]|w)+)】/g
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*/
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return new RegExp(
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`(^|[^${kanjiRange}]|)` +
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`([${kanjiRange}]+)` +
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`([${kanaWithAnnotations}]*)` +
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escapeForRegex(brackets[0]) +
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`((?:[^${escapeForRegex(brackets)}\\u0000-\\u007F]|\\w|[${furiganaSeperators}])+)` +
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escapeForRegex(brackets[1]),
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'g'
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);
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});
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}
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let replacementTemplate = '';
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let replacementBrackets = '';
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function updateReplacementTemplate(furiganaFallbackBrackets) {
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if (furiganaFallbackBrackets.length !== 2) {
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furiganaFallbackBrackets = '【】';
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}
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replacementBrackets = furiganaFallbackBrackets;
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replacementTemplate = `<ruby>$1<rp>${furiganaFallbackBrackets[0]}</rp><rt style="line-height:1;font-size:10px;">$2</rt><rp>${furiganaFallbackBrackets[1]}</rp></ruby>`;
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}
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updateReplacementTemplate('【】');
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function addFurigana(text, options) {
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if (options.furiganaForms !== previousFuriganaForms) {
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updateRegexList(options.furiganaForms);
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}
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if (options.furiganaFallbackBrackets !== replacementBrackets) {
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updateReplacementTemplate(options.furiganaFallbackBrackets);
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}
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regexList.forEach(regex => {
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text = text.replace(regex, (match, wordText, furiganaText, offset, mainText) => {
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if (match.indexOf('\\') === -1 && mainText[offset - 1] !== '\\') {
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if ((!options.furiganaPatternMatching) || wordText.search(kanjiBlockRegex) === -1 || wordText[0].search(kanjiBlockRegex) === -1) {
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return replacementTemplate.replace('$1', wordText).replace('$2', furiganaText);
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} else {
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let originalFuriganaText = (' ' + furiganaText).slice(1);
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let nonKanji = wordText.split(kanjiBlockRegex).filter(emptyStringFilter);
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let kanji = wordText.split(nonKanjiBlockRegex).filter(emptyStringFilter);
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let replacementText = '';
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let lastUsedKanjiIndex = 0;
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if (nonKanji.length === 0) {
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return replacementTemplate.replace('$1', wordText).replace('$2', furiganaText);
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}
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nonKanji.forEach((currentNonKanji, index) => {
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if (furiganaText === undefined) {
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if (index < kanji.length) {
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replacementText += kanji[index];
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}
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replacementText += currentNonKanji;
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return;
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}
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let splitFurigana = furiganaText.split(new RegExp(escapeForRegex(currentNonKanji) + '(.*)')).filter(emptyStringFilter);
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lastUsedKanjiIndex = index;
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replacementText += replacementTemplate.replace('$1', kanji[index]).replace('$2', splitFurigana[0]);
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replacementText += currentNonKanji;
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furiganaText = splitFurigana[1];
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});
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if (furiganaText !== undefined && lastUsedKanjiIndex + 1 < kanji.length) {
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replacementText += replacementTemplate.replace('$1', kanji[lastUsedKanjiIndex + 1]).replace('$2', furiganaText);
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} else if (furiganaText !== undefined) {
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return replacementTemplate.replace('$1', wordText).replace('$2', originalFuriganaText);
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} else if (lastUsedKanjiIndex + 1 < kanji.length) {
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replacementText += kanji[lastUsedKanjiIndex + 1];
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}
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return replacementText;
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}
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} else {
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return match;
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}
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});
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});
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if (!options.furiganaStrictMode) {
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if (options.furiganaAutoBracketSets !== previousAutoBracketSets) {
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updateAutoRegexList(options.furiganaAutoBracketSets);
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}
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autoRegexList.forEach(regex => {
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text = text.replace(regex, (match, preWordTerminator, wordKanji, wordKanaSuffix, furiganaText, offset, mainText) => {
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if (match.indexOf('\\') === -1) {
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if (options.furiganaPatternMatching) {
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let rubies = [];
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let furigana = furiganaText;
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let stem = (' ' + wordKanaSuffix).slice(1);
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for (let i = furiganaText.length - 1; i >= 0; i--) {
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if (wordKanaSuffix.length === 0) {
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furigana = furiganaText.substring(0, i + 1);
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break;
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}
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if (furiganaText[i] !== wordKanaSuffix.slice(-1)) {
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furigana = furiganaText.substring(0, i + 1);
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break;
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}
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wordKanaSuffix = wordKanaSuffix.slice(0, -1);
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}
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if (furiganaSeperators.split('').reduce(
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(noSeperator, seperator) => {
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return noSeperator && (furigana.indexOf(seperator) === -1);
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},
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true
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)) {
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rubies = [replacementTemplate.replace('$1', wordKanji).replace('$2', furigana)];
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} else {
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let kanaParts = furigana.split(seperatorRegex);
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let kanji = wordKanji.split('');
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if (kanaParts.length === 0 || kanaParts.length > kanji.length) {
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rubies = [replacementTemplate.replace('$1', wordKanji).replace('$2', furigana)];
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} else {
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for (let i = 0; i < kanaParts.length - 1; i++) {
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if (kanji.length === 0) {
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break;
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}
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rubies.push(replacementTemplate.replace('$1', kanji.shift()).replace('$2', kanaParts[i]));
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}
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let lastKanaPart = kanaParts.pop();
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rubies.push(replacementTemplate.replace('$1', kanji.join('')).replace('$2', lastKanaPart));
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}
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}
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return preWordTerminator + rubies.join('') + stem;
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} else {
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return preWordTerminator + replacementTemplate.replace('$1', wordKanji).replace('$2', furiganaText) + wordKanaSuffix;
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}
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} else {
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return match;
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}
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});
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});
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}
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return text;
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}
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function handleEscapedSpecialBrackets(text) {
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// By default 【 and 】 cannot be escaped in markdown, this will remove backslashes from in front of them to give that effect.
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return text.replace(/\\([【】])/g, '$1');
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}
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let FuriganaMD = {};
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FuriganaMD.register = function (renderer) {
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renderer.text = function (text) {
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let options = {
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furigana: true,
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furiganaForms: "()::{}",
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furiganaFallbackBrackets: "{}",
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furiganaStrictMode: false,
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furiganaAutoBracketSets: "{}",
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furiganaPatternMatching: true,
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};
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// console.log('override text render',text);
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// console.log('after add',addFurigana(text, options));
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return handleEscapedSpecialBrackets(addFurigana(text, options));
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};
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};
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return FuriganaMD;
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})));
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191
libs/scripts/closebrackets.js
Normal file
191
libs/scripts/closebrackets.js
Normal file
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@ -0,0 +1,191 @@
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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var defaults = {
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pairs: "()[]{}''\"\"",
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closeBefore: ")]}'\":;>",
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triples: "",
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explode: "[]{}"
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};
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var Pos = CodeMirror.Pos;
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CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
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if (old && old != CodeMirror.Init) {
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cm.removeKeyMap(keyMap);
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cm.state.closeBrackets = null;
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}
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if (val) {
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ensureBound(getOption(val, "pairs"))
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cm.state.closeBrackets = val;
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cm.addKeyMap(keyMap);
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}
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});
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function getOption(conf, name) {
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if (name == "pairs" && typeof conf == "string") return conf;
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if (typeof conf == "object" && conf[name] != null) return conf[name];
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return defaults[name];
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}
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var keyMap = {Backspace: handleBackspace, Enter: handleEnter};
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function ensureBound(chars) {
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for (var i = 0; i < chars.length; i++) {
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var ch = chars.charAt(i), key = "'" + ch + "'"
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if (!keyMap[key]) keyMap[key] = handler(ch)
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}
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}
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ensureBound(defaults.pairs + "`")
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function handler(ch) {
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return function(cm) { return handleChar(cm, ch); };
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}
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function getConfig(cm) {
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var deflt = cm.state.closeBrackets;
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if (!deflt || deflt.override) return deflt;
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var mode = cm.getModeAt(cm.getCursor());
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return mode.closeBrackets || deflt;
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}
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function handleBackspace(cm) {
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var conf = getConfig(cm);
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if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;
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var pairs = getOption(conf, "pairs");
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var ranges = cm.listSelections();
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for (var i = 0; i < ranges.length; i++) {
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if (!ranges[i].empty()) return CodeMirror.Pass;
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var around = charsAround(cm, ranges[i].head);
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if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
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}
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for (var i = ranges.length - 1; i >= 0; i--) {
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var cur = ranges[i].head;
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cm.replaceRange("", Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1), "+delete");
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}
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}
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function handleEnter(cm) {
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var conf = getConfig(cm);
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var explode = conf && getOption(conf, "explode");
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if (!explode || cm.getOption("disableInput")) return CodeMirror.Pass;
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var ranges = cm.listSelections();
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for (var i = 0; i < ranges.length; i++) {
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if (!ranges[i].empty()) return CodeMirror.Pass;
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var around = charsAround(cm, ranges[i].head);
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if (!around || explode.indexOf(around) % 2 != 0) return CodeMirror.Pass;
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}
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cm.operation(function() {
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var linesep = cm.lineSeparator() || "\n";
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cm.replaceSelection(linesep + linesep, null);
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cm.execCommand("goCharLeft");
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ranges = cm.listSelections();
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for (var i = 0; i < ranges.length; i++) {
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var line = ranges[i].head.line;
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cm.indentLine(line, null, true);
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cm.indentLine(line + 1, null, true);
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}
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});
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}
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function contractSelection(sel) {
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var inverted = CodeMirror.cmpPos(sel.anchor, sel.head) > 0;
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return {anchor: new Pos(sel.anchor.line, sel.anchor.ch + (inverted ? -1 : 1)),
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head: new Pos(sel.head.line, sel.head.ch + (inverted ? 1 : -1))};
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}
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function handleChar(cm, ch) {
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var conf = getConfig(cm);
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if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;
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var pairs = getOption(conf, "pairs");
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var pos = pairs.indexOf(ch);
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if (pos == -1) return CodeMirror.Pass;
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var closeBefore = getOption(conf,"closeBefore");
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var triples = getOption(conf, "triples");
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var identical = pairs.charAt(pos + 1) == ch;
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var ranges = cm.listSelections();
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var opening = pos % 2 == 0;
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var type;
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for (var i = 0; i < ranges.length; i++) {
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var range = ranges[i], cur = range.head, curType;
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var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1));
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if (opening && !range.empty()) {
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curType = "surround";
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} else if ((identical || !opening) && next == ch) {
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if (identical && stringStartsAfter(cm, cur))
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curType = "both";
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else if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch)
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curType = "skipThree";
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else
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curType = "skip";
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} else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 &&
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cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch) {
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if (cur.ch > 2 && /\bstring/.test(cm.getTokenTypeAt(Pos(cur.line, cur.ch - 2)))) return CodeMirror.Pass;
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curType = "addFour";
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} else if (identical) {
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var prev = cur.ch == 0 ? " " : cm.getRange(Pos(cur.line, cur.ch - 1), cur)
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if (!CodeMirror.isWordChar(next) && prev != ch && !CodeMirror.isWordChar(prev)) curType = "both";
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else return CodeMirror.Pass;
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} else if (opening && (next.length === 0 || /\s/.test(next) || closeBefore.indexOf(next) > -1)) {
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curType = "both";
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} else {
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return CodeMirror.Pass;
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}
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if (!type) type = curType;
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else if (type != curType) return CodeMirror.Pass;
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}
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var left = pos % 2 ? pairs.charAt(pos - 1) : ch;
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var right = pos % 2 ? ch : pairs.charAt(pos + 1);
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cm.operation(function() {
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if (type == "skip") {
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cm.execCommand("goCharRight");
|
||||
} else if (type == "skipThree") {
|
||||
for (var i = 0; i < 3; i++)
|
||||
cm.execCommand("goCharRight");
|
||||
} else if (type == "surround") {
|
||||
var sels = cm.getSelections();
|
||||
for (var i = 0; i < sels.length; i++)
|
||||
sels[i] = left + sels[i] + right;
|
||||
cm.replaceSelections(sels, "around");
|
||||
sels = cm.listSelections().slice();
|
||||
for (var i = 0; i < sels.length; i++)
|
||||
sels[i] = contractSelection(sels[i]);
|
||||
cm.setSelections(sels);
|
||||
} else if (type == "both") {
|
||||
cm.replaceSelection(left + right, null);
|
||||
cm.triggerElectric(left + right);
|
||||
cm.execCommand("goCharLeft");
|
||||
} else if (type == "addFour") {
|
||||
cm.replaceSelection(left + left + left + left, "before");
|
||||
cm.execCommand("goCharRight");
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function charsAround(cm, pos) {
|
||||
var str = cm.getRange(Pos(pos.line, pos.ch - 1),
|
||||
Pos(pos.line, pos.ch + 1));
|
||||
return str.length == 2 ? str : null;
|
||||
}
|
||||
|
||||
function stringStartsAfter(cm, pos) {
|
||||
var token = cm.getTokenAt(Pos(pos.line, pos.ch + 1))
|
||||
return /\bstring/.test(token.type) && token.start == pos.ch &&
|
||||
(pos.ch == 0 || !/\bstring/.test(cm.getTokenTypeAt(pos)))
|
||||
}
|
||||
});
|
||||
Loading…
Reference in New Issue
Block a user