¶Ô±ÈÐÂÎļþ |
| | |
| | | 'use strict' |
| | | |
| | | /** |
| | | * @fileoverview html è§£æå¨ |
| | | */ |
| | | // é
ç½® |
| | | const config = { |
| | | // ä¿¡ä»»çæ ç¾ï¼ä¿ææ ç¾åä¸åï¼ |
| | | trustTags: makeMap('a,abbr,ad,audio,b,blockquote,br,code,col,colgroup,dd,del,dl,dt,div,em,fieldset,h1,h2,h3,h4,h5,h6,hr,i,img,ins,label,legend,li,ol,p,q,ruby,rt,source,span,strong,sub,sup,table,tbody,td,tfoot,th,thead,tr,title,ul,video'), |
| | | // å级æ ç¾ï¼è½¬ä¸º divï¼å
¶ä»çéä¿¡ä»»æ ç¾è½¬ä¸º spanï¼ |
| | | blockTags: makeMap('address,article,aside,body,caption,center,cite,footer,header,html,nav,pre,section'), |
| | | // è¦ç§»é¤çæ ç¾ |
| | | ignoreTags: makeMap('area,base,canvas,embed,frame,head,iframe,input,link,map,meta,param,rp,script,source,style,textarea,title,track,wbr'), |
| | | // èªéåçæ ç¾ |
| | | voidTags: makeMap('area,base,br,col,circle,ellipse,embed,frame,hr,img,input,line,link,meta,param,path,polygon,rect,source,track,use,wbr'), |
| | | // html å®ä½ |
| | | entities: { |
| | | lt: '<', |
| | | gt: '>', |
| | | quot: '"', |
| | | apos: "'", |
| | | ensp: '\u2002', |
| | | emsp: '\u2003', |
| | | nbsp: '\xA0', |
| | | semi: ';', |
| | | ndash: 'â', |
| | | mdash: 'â', |
| | | middot: '·', |
| | | lsquo: 'â', |
| | | rsquo: 'â', |
| | | ldquo: 'â', |
| | | rdquo: 'â', |
| | | bull: 'â¢', |
| | | hellip: 'â¦' |
| | | }, |
| | | // é»è®¤çæ ç¾æ ·å¼ |
| | | tagStyle: { |
| | | // #ifndef APP-PLUS-NVUE |
| | | address: 'font-style:italic', |
| | | big: 'display:inline;font-size:1.2em', |
| | | caption: 'display:table-caption;text-align:center', |
| | | center: 'text-align:center', |
| | | cite: 'font-style:italic', |
| | | dd: 'margin-left:40px', |
| | | mark: 'background-color:yellow', |
| | | pre: 'font-family:monospace;white-space:pre', |
| | | s: 'text-decoration:line-through', |
| | | small: 'display:inline;font-size:0.8em', |
| | | u: 'text-decoration:underline' // #endif |
| | | |
| | | } |
| | | } |
| | | const { windowWidth } = uni.getSystemInfoSync() |
| | | const blankChar = makeMap(' ,\r,\n,\t,\f') |
| | | let idIndex = 0 // #ifdef H5 || APP-PLUS |
| | | |
| | | config.ignoreTags.iframe = void 0 |
| | | config.trustTags.iframe = true |
| | | config.ignoreTags.embed = void 0 |
| | | config.trustTags.embed = true // #endif |
| | | // #ifdef APP-PLUS-NVUE |
| | | |
| | | config.ignoreTags.source = void 0 |
| | | config.ignoreTags.style = void 0 // #endif |
| | | |
| | | /** |
| | | * @description å建 map |
| | | * @param {String} str éå·åé |
| | | */ |
| | | |
| | | function makeMap(str) { |
| | | const map = Object.create(null) |
| | | const list = str.split(',') |
| | | |
| | | for (let i = list.length; i--;) { |
| | | map[list[i]] = true |
| | | } |
| | | |
| | | return map |
| | | } |
| | | /** |
| | | * @description è§£ç html å®ä½ |
| | | * @param {String} str è¦è§£ç çå符串 |
| | | * @param {Boolean} amp è¦ä¸è¦è§£ç & |
| | | * @returns {String} è§£ç åçå符串 |
| | | */ |
| | | |
| | | function decodeEntity(str, amp) { |
| | | let i = str.indexOf('&') |
| | | |
| | | while (i != -1) { |
| | | const j = str.indexOf(';', i + 3) |
| | | let code = void 0 |
| | | if (j == -1) break |
| | | |
| | | if (str[i + 1] == '#') { |
| | | // { å½¢å¼çå®ä½ |
| | | code = parseInt((str[i + 2] == 'x' ? '0' : '') + str.substring(i + 2, j)) |
| | | if (!isNaN(code)) str = str.substr(0, i) + String.fromCharCode(code) + str.substr(j + 1) |
| | | } else { |
| | | // å½¢å¼çå®ä½ |
| | | code = str.substring(i + 1, j) |
| | | if (config.entities[code] || code == 'amp' && amp) str = str.substr(0, i) + (config.entities[code] || '&') + str.substr(j + 1) |
| | | } |
| | | |
| | | i = str.indexOf('&', i + 1) |
| | | } |
| | | |
| | | return str |
| | | } |
| | | /** |
| | | * @description html è§£æå¨ |
| | | * @param {Object} vm ç»ä»¶å®ä¾ |
| | | */ |
| | | |
| | | function parser(vm) { |
| | | this.options = vm || {} |
| | | this.tagStyle = Object.assign(config.tagStyle, this.options.tagStyle) |
| | | this.imgList = vm.imgList || [] |
| | | this.plugins = vm.plugins || [] |
| | | this.attrs = Object.create(null) |
| | | this.stack = [] |
| | | this.nodes = [] |
| | | } |
| | | /** |
| | | * @description æ§è¡è§£æ |
| | | * @param {String} content è¦è§£æçææ¬ |
| | | */ |
| | | |
| | | parser.prototype.parse = function (content) { |
| | | // æä»¶å¤ç |
| | | for (let i = this.plugins.length; i--;) { |
| | | if (this.plugins[i].onUpdate) content = this.plugins[i].onUpdate(content, config) || content |
| | | } |
| | | |
| | | new lexer(this).parse(content) // åºæ æªéåçæ ç¾ |
| | | |
| | | while (this.stack.length) { |
| | | this.popNode() |
| | | } |
| | | |
| | | return this.nodes |
| | | } |
| | | /** |
| | | * @description å°æ ç¾æ´é²åºæ¥ï¼ä¸è¢« rich-text å
å«ï¼ |
| | | */ |
| | | |
| | | parser.prototype.expose = function () { |
| | | // #ifndef APP-PLUS-NVUE |
| | | for (let i = this.stack.length; i--;) { |
| | | const item = this.stack[i] |
| | | if (item.name == 'a' || item.c) return |
| | | item.c = 1 |
| | | } // #endif |
| | | } |
| | | /** |
| | | * @description å¤çæä»¶ |
| | | * @param {Object} node è¦å¤ççæ ç¾ |
| | | * @returns {Boolean} æ¯å¦è¦ç§»é¤æ¤æ ç¾ |
| | | */ |
| | | |
| | | parser.prototype.hook = function (node) { |
| | | for (let i = this.plugins.length; i--;) { |
| | | if (this.plugins[i].onParse && this.plugins[i].onParse(node, this) == false) return false |
| | | } |
| | | |
| | | return true |
| | | } |
| | | /** |
| | | * @description å°é¾æ¥æ¼æ¥ä¸ä¸»åå |
| | | * @param {String} url éè¦æ¼æ¥ç龿¥ |
| | | * @returns {String} æ¼æ¥åç龿¥ |
| | | */ |
| | | |
| | | parser.prototype.getUrl = function (url) { |
| | | const { domain } = this.options |
| | | |
| | | if (url[0] == '/') { |
| | | // // å¼å¤´çè¡¥å
åè®®å |
| | | if (url[1] == '/') url = `${domain ? domain.split('://')[0] : 'http'}:${url}` // å¦åè¡¥å
æ´ä¸ªåå |
| | | else if (domain) url = domain + url |
| | | } else if (domain && !url.includes('data:') && !url.includes('://')) url = `${domain}/${url}` |
| | | |
| | | return url |
| | | } |
| | | /** |
| | | * @description è§£ææ ·å¼è¡¨ |
| | | * @param {Object} node æ ç¾ |
| | | * @returns {Object} |
| | | */ |
| | | |
| | | parser.prototype.parseStyle = function (node) { |
| | | const { attrs } = node |
| | | const list = (this.tagStyle[node.name] || '').split(';').concat((attrs.style || '').split(';')) |
| | | const styleObj = {} |
| | | let tmp = '' |
| | | |
| | | if (attrs.id) { |
| | | // æ´é²éç¹ |
| | | if (this.options.useAnchor) this.expose(); else if (node.name != 'img' && node.name != 'a' && node.name != 'video' && node.name != 'audio') attrs.id = void 0 |
| | | } // è½¬æ¢ width å height 屿§ |
| | | |
| | | if (attrs.width) { |
| | | styleObj.width = parseFloat(attrs.width) + (attrs.width.includes('%') ? '%' : 'px') |
| | | attrs.width = void 0 |
| | | } |
| | | |
| | | if (attrs.height) { |
| | | styleObj.height = parseFloat(attrs.height) + (attrs.height.includes('%') ? '%' : 'px') |
| | | attrs.height = void 0 |
| | | } |
| | | |
| | | for (let i = 0, len = list.length; i < len; i++) { |
| | | const info = list[i].split(':') |
| | | if (info.length < 2) continue |
| | | const key = info.shift().trim().toLowerCase() |
| | | let value = info.join(':').trim() // å
¼å®¹æ§ç css ä¸å缩 |
| | | |
| | | if (value[0] == '-' && value.lastIndexOf('-') > 0 || value.includes('safe')) tmp += ';'.concat(key, ':').concat(value) // éå¤çæ ·å¼è¿è¡è¦ç |
| | | else if (!styleObj[key] || value.includes('import') || !styleObj[key].includes('import')) { |
| | | // å¡«å
龿¥ |
| | | if (value.includes('url')) { |
| | | let j = value.indexOf('(') + 1 |
| | | |
| | | if (j) { |
| | | while (value[j] == '"' || value[j] == "'" || blankChar[value[j]]) { |
| | | j++ |
| | | } |
| | | |
| | | value = value.substr(0, j) + this.getUrl(value.substr(j)) |
| | | } |
| | | } // è½¬æ¢ rpxï¼rich-text å
é¨ä¸æ¯æ rpxï¼ |
| | | else if (value.includes('rpx')) { |
| | | value = value.replace(/[0-9.]+\s*rpx/g, ($) => `${parseFloat($) * windowWidth / 750}px`) |
| | | } |
| | | |
| | | styleObj[key] = value |
| | | } |
| | | } |
| | | |
| | | node.attrs.style = tmp |
| | | return styleObj |
| | | } |
| | | /** |
| | | * @description è§£æå°æ ç¾å |
| | | * @param {String} name æ ç¾å |
| | | * @private |
| | | */ |
| | | |
| | | parser.prototype.onTagName = function (name) { |
| | | this.tagName = this.xml ? name : name.toLowerCase() |
| | | if (this.tagName == 'svg') this.xml = true // svg æ ç¾å
大å°åææ |
| | | } |
| | | /** |
| | | * @description è§£æå°å±æ§å |
| | | * @param {String} name 屿§å |
| | | * @private |
| | | */ |
| | | |
| | | parser.prototype.onAttrName = function (name) { |
| | | name = this.xml ? name : name.toLowerCase() |
| | | |
| | | if (name.substr(0, 5) == 'data-') { |
| | | // data-src èªå¨è½¬ä¸º src |
| | | if (name == 'data-src' && !this.attrs.src) this.attrName = 'src' // a å img æ ç¾ä¿ç data- ç屿§ï¼å¯ä»¥å¨ imgtap å linktap äºä»¶ä¸ä½¿ç¨ |
| | | else if (this.tagName == 'img' || this.tagName == 'a') this.attrName = name // å©ä½çç§»é¤ä»¥åå°å¤§å° |
| | | else this.attrName = void 0 |
| | | } else { |
| | | this.attrName = name |
| | | this.attrs[name] = 'T' // boolean å屿§ç¼ºç设置 |
| | | } |
| | | } |
| | | /** |
| | | * @description è§£æå°å±æ§å¼ |
| | | * @param {String} val 屿§å¼ |
| | | * @private |
| | | */ |
| | | |
| | | parser.prototype.onAttrVal = function (val) { |
| | | const name = this.attrName || '' // é¨å屿§è¿è¡å®ä½è§£ç |
| | | |
| | | if (name == 'style' || name == 'href') this.attrs[name] = decodeEntity(val, true) // æ¼æ¥ä¸»åå |
| | | else if (name.includes('src')) this.attrs[name] = this.getUrl(decodeEntity(val, true)); else if (name) this.attrs[name] = val |
| | | } |
| | | /** |
| | | * @description è§£æå°æ ç¾å¼å§ |
| | | * @param {Boolean} selfClose æ¯å¦æèªéåæ è¯ /> |
| | | * @private |
| | | */ |
| | | |
| | | parser.prototype.onOpenTag = function (selfClose) { |
| | | // æ¼è£
node |
| | | const node = Object.create(null) |
| | | node.name = this.tagName |
| | | node.attrs = this.attrs |
| | | this.attrs = Object.create(null) |
| | | const { attrs } = node |
| | | const parent = this.stack[this.stack.length - 1] |
| | | const siblings = parent ? parent.children : this.nodes |
| | | const close = this.xml ? selfClose : config.voidTags[node.name] // è½¬æ¢ embed æ ç¾ |
| | | |
| | | if (node.name == 'embed') { |
| | | // #ifndef H5 || APP-PLUS |
| | | const src = attrs.src || '' // æç
§åç¼åå type å° embed 转为 video æ audio |
| | | |
| | | if (src.includes('.mp4') || src.includes('.3gp') || src.includes('.m3u8') || (attrs.type || '').includes('video')) node.name = 'video'; else if (src.includes('.mp3') || src.includes('.wav') || src.includes('.aac') || src.includes('.m4a') || (attrs.type || '').includes('audio')) node.name = 'audio' |
| | | if (attrs.autostart) attrs.autoplay = 'T' |
| | | attrs.controls = 'T' // #endif |
| | | // #ifdef H5 || APP-PLUS |
| | | |
| | | this.expose() // #endif |
| | | } // #ifndef APP-PLUS-NVUE |
| | | // å¤çé³è§é¢ |
| | | |
| | | if (node.name == 'video' || node.name == 'audio') { |
| | | // 设置 id 以便è·å context |
| | | if (node.name == 'video' && !attrs.id) attrs.id = `v${idIndex++}` // 没æè®¾ç½® controls 乿²¡æè®¾ç½® autoplay çèªå¨è®¾ç½® controls |
| | | |
| | | if (!attrs.controls && !attrs.autoplay) attrs.controls = 'T' // ç¨æ°ç»å卿æå¯ç¨ç source |
| | | |
| | | node.src = [] |
| | | |
| | | if (attrs.src) { |
| | | node.src.push(attrs.src) |
| | | attrs.src = void 0 |
| | | } |
| | | |
| | | this.expose() |
| | | } // #endif |
| | | // å¤çèªéåæ ç¾ |
| | | |
| | | if (close) { |
| | | if (!this.hook(node) || config.ignoreTags[node.name]) { |
| | | // éè¿ base æ ç¾è®¾ç½®ä¸»åå |
| | | if (node.name == 'base' && !this.options.domain) this.options.domain = attrs.href // #ifndef APP-PLUS-NVUE |
| | | // 设置 source æ ç¾ï¼ä»
ç¶èç¹ä¸º video æ audio æ¶ææï¼ |
| | | else if (node.name == 'source' && parent && (parent.name == 'video' || parent.name == 'audio') && attrs.src) parent.src.push(attrs.src) // #endif |
| | | |
| | | return |
| | | } // è§£æ style |
| | | |
| | | const styleObj = this.parseStyle(node) // å¤çå¾ç |
| | | |
| | | if (node.name == 'img') { |
| | | if (attrs.src) { |
| | | // æ è®° webp |
| | | if (attrs.src.includes('webp')) node.webp = 'T' // data url å¾çå¦ææ²¡æè®¾ç½® original-src é»è®¤ä¸ºä¸å¯é¢è§çå°å¾ç |
| | | |
| | | if (attrs.src.includes('data:') && !attrs['original-src']) attrs.ignore = 'T' |
| | | |
| | | if (!attrs.ignore || node.webp || attrs.src.includes('cloud://')) { |
| | | for (let i = this.stack.length; i--;) { |
| | | const item = this.stack[i] |
| | | |
| | | if (item.name == 'a') { |
| | | node.a = item.attrs |
| | | break |
| | | } // #ifndef H5 || APP-PLUS |
| | | |
| | | const style = item.attrs.style || '' |
| | | |
| | | if (style.includes('flex:') && !style.includes('flex:0') && !style.includes('flex: 0') && (!styleObj.width || !styleObj.width.includes('%'))) { |
| | | styleObj.width = '100% !important' |
| | | styleObj.height = '' |
| | | |
| | | for (let j = i + 1; j < this.stack.length; j++) { |
| | | this.stack[j].attrs.style = (this.stack[j].attrs.style || '').replace('inline-', '') |
| | | } |
| | | } else if (style.includes('flex') && styleObj.width == '100%') { |
| | | for (let _j = i + 1; _j < this.stack.length; _j++) { |
| | | const _style = this.stack[_j].attrs.style || '' |
| | | |
| | | if (!_style.includes(';width') && !_style.includes(' width') && _style.indexOf('width') != 0) { |
| | | styleObj.width = '' |
| | | break |
| | | } |
| | | } |
| | | } else if (style.includes('inline-block')) { |
| | | if (styleObj.width && styleObj.width[styleObj.width.length - 1] == '%') { |
| | | item.attrs.style += `;max-width:${styleObj.width}` |
| | | styleObj.width = '' |
| | | } else item.attrs.style += ';max-width:100%' |
| | | } // #endif |
| | | |
| | | item.c = 1 |
| | | } |
| | | |
| | | attrs.i = this.imgList.length.toString() |
| | | |
| | | let _src = attrs['original-src'] || attrs.src // #ifndef H5 || MP-ALIPAY || APP-PLUS || MP-360 |
| | | |
| | | if (this.imgList.includes(_src)) { |
| | | // 妿æéå¤ç龿¥å对ååè¿è¡éæºå¤§å°å忢é¿å
é¢è§æ¶éä½ |
| | | let _i = _src.indexOf('://') |
| | | |
| | | if (_i != -1) { |
| | | _i += 3 |
| | | |
| | | let newSrc = _src.substr(0, _i) |
| | | |
| | | for (; _i < _src.length; _i++) { |
| | | if (_src[_i] == '/') break |
| | | newSrc += Math.random() > 0.5 ? _src[_i].toUpperCase() : _src[_i] |
| | | } |
| | | |
| | | newSrc += _src.substr(_i) |
| | | _src = newSrc |
| | | } |
| | | } // #endif |
| | | |
| | | this.imgList.push(_src) // #ifdef H5 || APP-PLUS |
| | | |
| | | if (this.options.lazyLoad) { |
| | | attrs['data-src'] = attrs.src |
| | | attrs.src = void 0 |
| | | } // #endif |
| | | } |
| | | } |
| | | |
| | | if (styleObj.display == 'inline') styleObj.display = '' // #ifndef APP-PLUS-NVUE |
| | | |
| | | if (attrs.ignore) { |
| | | styleObj['max-width'] = styleObj['max-width'] || '100%' |
| | | attrs.style += ';-webkit-touch-callout:none' |
| | | } // #endif |
| | | // 设置ç宽度è¶
åºå±å¹ï¼ä¸ºé¿å
åå½¢ï¼é«åº¦è½¬ä¸ºèªå¨ |
| | | |
| | | if (parseInt(styleObj.width) > windowWidth) styleObj.height = void 0 // è®°å½æ¯å¦è®¾ç½®äºå®½é« |
| | | |
| | | if (styleObj.width) { |
| | | if (styleObj.width.includes('auto')) styleObj.width = ''; else { |
| | | node.w = 'T' |
| | | if (styleObj.height && !styleObj.height.includes('auto')) node.h = 'T' |
| | | } |
| | | } |
| | | } else if (node.name == 'svg') { |
| | | siblings.push(node) |
| | | this.stack.push(node) |
| | | this.popNode() |
| | | return |
| | | } |
| | | |
| | | for (const key in styleObj) { |
| | | if (styleObj[key]) attrs.style += ';'.concat(key, ':').concat(styleObj[key].replace(' !important', '')) |
| | | } |
| | | |
| | | attrs.style = attrs.style.substr(1) || void 0 |
| | | } else { |
| | | if (node.name == 'pre' || (attrs.style || '').includes('white-space') && attrs.style.includes('pre')) this.pre = node.pre = true |
| | | node.children = [] |
| | | this.stack.push(node) |
| | | } // å å
¥èç¹æ |
| | | |
| | | siblings.push(node) |
| | | } |
| | | /** |
| | | * @description è§£æå°æ ç¾ç»æ |
| | | * @param {String} name æ ç¾å |
| | | * @private |
| | | */ |
| | | |
| | | parser.prototype.onCloseTag = function (name) { |
| | | // 便¬¡åºæ å°å¹é
ä¸ºæ¢ |
| | | name = this.xml ? name : name.toLowerCase() |
| | | let i |
| | | |
| | | for (i = this.stack.length; i--;) { |
| | | if (this.stack[i].name == name) break |
| | | } |
| | | |
| | | if (i != -1) { |
| | | while (this.stack.length > i) { |
| | | this.popNode() |
| | | } |
| | | } else if (name == 'p' || name == 'br') { |
| | | const siblings = this.stack.length ? this.stack[this.stack.length - 1].children : this.nodes |
| | | siblings.push({ |
| | | name, |
| | | attrs: {} |
| | | }) |
| | | } |
| | | } |
| | | /** |
| | | * @description å¤çæ ç¾åºæ |
| | | * @private |
| | | */ |
| | | |
| | | parser.prototype.popNode = function () { |
| | | const node = this.stack.pop() |
| | | let { attrs } = node |
| | | const { children } = node |
| | | const parent = this.stack[this.stack.length - 1] |
| | | const siblings = parent ? parent.children : this.nodes |
| | | |
| | | if (!this.hook(node) || config.ignoreTags[node.name]) { |
| | | // è·åæ é¢ |
| | | if (node.name == 'title' && children.length && children[0].type == 'text' && this.options.setTitle) { |
| | | uni.setNavigationBarTitle({ |
| | | title: children[0].text |
| | | }) |
| | | } |
| | | siblings.pop() |
| | | return |
| | | } |
| | | |
| | | if (node.pre) { |
| | | // æ¯å¦å并空ç½ç¬¦æ è¯ |
| | | node.pre = this.pre = void 0 |
| | | |
| | | for (let i = this.stack.length; i--;) { |
| | | if (this.stack[i].pre) this.pre = true |
| | | } |
| | | } |
| | | |
| | | const styleObj = {} // è½¬æ¢ svg |
| | | |
| | | if (node.name == 'svg') { |
| | | // #ifndef APP-PLUS-NVUE |
| | | let src = '' |
| | | const { style } = attrs |
| | | attrs.style = '' |
| | | attrs.xmlns = 'http://www.w3.org/2000/svg'; |
| | | |
| | | (function traversal(node) { |
| | | src += `<${node.name}` |
| | | |
| | | for (let item in node.attrs) { |
| | | const val = node.attrs[item] |
| | | |
| | | if (val) { |
| | | if (item == 'viewbox') item = 'viewBox' |
| | | src += ' '.concat(item, '="').concat(val, '"') |
| | | } |
| | | } |
| | | |
| | | if (!node.children) src += '/>'; else { |
| | | src += '>' |
| | | |
| | | for (let _i2 = 0; _i2 < node.children.length; _i2++) { |
| | | traversal(node.children[_i2]) |
| | | } |
| | | |
| | | src += `</${node.name}>` |
| | | } |
| | | }(node)) |
| | | |
| | | node.name = 'img' |
| | | node.attrs = { |
| | | src: `data:image/svg+xml;utf8,${src.replace(/#/g, '%23')}`, |
| | | style, |
| | | ignore: 'T' |
| | | } |
| | | node.children = void 0 // #endif |
| | | |
| | | this.xml = false |
| | | return |
| | | } // #ifndef APP-PLUS-NVUE |
| | | // è½¬æ¢ align 屿§ |
| | | |
| | | if (attrs.align) { |
| | | if (node.name == 'table') { |
| | | if (attrs.align == 'center') styleObj['margin-inline-start'] = styleObj['margin-inline-end'] = 'auto'; else styleObj.float = attrs.align |
| | | } else styleObj['text-align'] = attrs.align |
| | | |
| | | attrs.align = void 0 |
| | | } // è½¬æ¢ font æ ç¾ç屿§ |
| | | |
| | | if (node.name == 'font') { |
| | | if (attrs.color) { |
| | | styleObj.color = attrs.color |
| | | attrs.color = void 0 |
| | | } |
| | | |
| | | if (attrs.face) { |
| | | styleObj['font-family'] = attrs.face |
| | | attrs.face = void 0 |
| | | } |
| | | |
| | | if (attrs.size) { |
| | | let size = parseInt(attrs.size) |
| | | |
| | | if (!isNaN(size)) { |
| | | if (size < 1) size = 1; else if (size > 7) size = 7 |
| | | styleObj['font-size'] = ['xx-small', 'x-small', 'small', 'medium', 'large', 'x-large', 'xx-large'][size - 1] |
| | | } |
| | | |
| | | attrs.size = void 0 |
| | | } |
| | | } // #endif |
| | | // ä¸äºç¼è¾å¨çèªå¸¦ class |
| | | |
| | | if ((attrs.class || '').includes('align-center')) styleObj['text-align'] = 'center' |
| | | Object.assign(styleObj, this.parseStyle(node)) |
| | | |
| | | if (parseInt(styleObj.width) > windowWidth) { |
| | | styleObj['max-width'] = '100%' |
| | | styleObj['box-sizing'] = 'border-box' |
| | | } // #ifndef APP-PLUS-NVUE |
| | | |
| | | if (config.blockTags[node.name]) node.name = 'div' // æªç¥æ ç¾è½¬ä¸º spanï¼é¿å
æ æ³æ¾ç¤º |
| | | else if (!config.trustTags[node.name] && !this.xml) node.name = 'span' |
| | | if (node.name == 'a' || node.name == 'ad' // #ifdef H5 || APP-PLUS |
| | | || node.name == 'iframe' // #endif |
| | | ) this.expose() // #ifdef APP-PLUS |
| | | else if (node.name == 'video') { |
| | | let str = '<video style="width:100%;height:100%"' // 空ç½å¾å ä½ |
| | | |
| | | if (!attrs.poster && !attrs.autoplay) attrs.poster = "data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'/>" |
| | | |
| | | for (const item in attrs) { |
| | | if (attrs[item]) str += ` ${item}="${attrs[item]}"` |
| | | } |
| | | |
| | | if (this.options.pauseVideo) str += ' onplay="for(var e=document.getElementsByTagName(\'video\'),t=0;t<e.length;t++)e[t]!=this&&e[t].pause()"' |
| | | str += '>' |
| | | |
| | | for (let _i3 = 0; _i3 < node.src.length; _i3++) { |
| | | str += `<source src="${node.src[_i3]}">` |
| | | } |
| | | |
| | | str += '</video>' |
| | | node.html = str |
| | | } // #endif |
| | | // å表å¤ç |
| | | else if ((node.name == 'ul' || node.name == 'ol') && node.c) { |
| | | const types = { |
| | | a: 'lower-alpha', |
| | | A: 'upper-alpha', |
| | | i: 'lower-roman', |
| | | I: 'upper-roman' |
| | | } |
| | | |
| | | if (types[attrs.type]) { |
| | | attrs.style += `;list-style-type:${types[attrs.type]}` |
| | | attrs.type = void 0 |
| | | } |
| | | |
| | | for (let _i4 = children.length; _i4--;) { |
| | | if (children[_i4].name == 'li') children[_i4].c = 1 |
| | | } |
| | | } // è¡¨æ ¼å¤ç |
| | | else if (node.name == 'table') { |
| | | // cellpaddingãcellspacingãborder è¿å 个常ç¨è¡¨æ ¼å±æ§éè¦éè¿è½¬æ¢å®ç° |
| | | let padding = parseFloat(attrs.cellpadding) |
| | | let spacing = parseFloat(attrs.cellspacing) |
| | | const border = parseFloat(attrs.border) |
| | | |
| | | if (node.c) { |
| | | // padding å spacing é»è®¤ 2 |
| | | if (isNaN(padding)) padding = 2 |
| | | if (isNaN(spacing)) spacing = 2 |
| | | } |
| | | |
| | | if (border) attrs.style += `;border:${border}px solid gray` |
| | | |
| | | if (node.flag && node.c) { |
| | | // æ colspan æ rowspan ä¸å«æé¾æ¥çè¡¨æ ¼éè¿ grid å¸å±å®ç° |
| | | styleObj.display = 'grid' |
| | | |
| | | if (spacing) { |
| | | styleObj['grid-gap'] = `${spacing}px` |
| | | styleObj.padding = `${spacing}px` |
| | | } // æ é´éçæ
åµä¸é¿å
è¾¹æ¡éå |
| | | else if (border) attrs.style += ';border-left:0;border-top:0' |
| | | |
| | | const width = [] |
| | | // è¡¨æ ¼çå宽 |
| | | const trList = [] |
| | | // tr å表 |
| | | const cells = [] |
| | | // ä¿åæ°çåå
æ ¼ |
| | | const map = {}; // 被åå¹¶åå
æ ¼å ç¨çæ ¼å |
| | | |
| | | (function traversal(nodes) { |
| | | for (let _i5 = 0; _i5 < nodes.length; _i5++) { |
| | | if (nodes[_i5].name == 'tr') trList.push(nodes[_i5]); else traversal(nodes[_i5].children || []) |
| | | } |
| | | }(children)) |
| | | |
| | | for (let row = 1; row <= trList.length; row++) { |
| | | let col = 1 |
| | | |
| | | for (let j = 0; j < trList[row - 1].children.length; j++, col++) { |
| | | const td = trList[row - 1].children[j] |
| | | |
| | | if (td.name == 'td' || td.name == 'th') { |
| | | // è¿ä¸ªæ ¼å被ä¸é¢çåå
æ ¼å ç¨ï¼ååå·++ |
| | | while (map[`${row}.${col}`]) { |
| | | col++ |
| | | } |
| | | |
| | | let _style2 = td.attrs.style || '' |
| | | const start = _style2.indexOf('width') ? _style2.indexOf(';width') : 0 // æååº td ç宽度 |
| | | |
| | | if (start != -1) { |
| | | let end = _style2.indexOf(';', start + 6) |
| | | |
| | | if (end == -1) end = _style2.length |
| | | if (!td.attrs.colspan) width[col] = _style2.substring(start ? start + 7 : 6, end) |
| | | _style2 = _style2.substr(0, start) + _style2.substr(end) |
| | | } |
| | | |
| | | _style2 += (border ? ';border:'.concat(border, 'px solid gray') + (spacing ? '' : ';border-right:0;border-bottom:0') : '') + (padding ? ';padding:'.concat(padding, 'px') : '') // å¤çååå¹¶ |
| | | |
| | | if (td.attrs.colspan) { |
| | | _style2 += ';grid-column-start:'.concat(col, ';grid-column-end:').concat(col + parseInt(td.attrs.colspan)) |
| | | if (!td.attrs.rowspan) _style2 += ';grid-row-start:'.concat(row, ';grid-row-end:').concat(row + 1) |
| | | col += parseInt(td.attrs.colspan) - 1 |
| | | } // å¤çè¡åå¹¶ |
| | | |
| | | if (td.attrs.rowspan) { |
| | | _style2 += ';grid-row-start:'.concat(row, ';grid-row-end:').concat(row + parseInt(td.attrs.rowspan)) |
| | | if (!td.attrs.colspan) _style2 += ';grid-column-start:'.concat(col, ';grid-column-end:').concat(col + 1) // è®°å½ä¸æ¹åå
æ ¼è¢«å ç¨ |
| | | |
| | | for (let k = 1; k < td.attrs.rowspan; k++) { |
| | | map[`${row + k}.${col}`] = 1 |
| | | } |
| | | } |
| | | |
| | | if (_style2) td.attrs.style = _style2 |
| | | cells.push(td) |
| | | } |
| | | } |
| | | |
| | | if (row == 1) { |
| | | let temp = '' |
| | | |
| | | for (let _i6 = 1; _i6 < col; _i6++) { |
| | | temp += `${width[_i6] ? width[_i6] : 'auto'} ` |
| | | } |
| | | |
| | | styleObj['grid-template-columns'] = temp |
| | | } |
| | | } |
| | | |
| | | node.children = cells |
| | | } else { |
| | | // 没æä½¿ç¨åå¹¶åå
æ ¼çè¡¨æ ¼éè¿ table å¸å±å®ç° |
| | | if (node.c) styleObj.display = 'table' |
| | | if (!isNaN(spacing)) styleObj['border-spacing'] = `${spacing}px` |
| | | |
| | | if (border || padding) { |
| | | // éå |
| | | (function traversal(nodes) { |
| | | for (let _i7 = 0; _i7 < nodes.length; _i7++) { |
| | | const _td = nodes[_i7] |
| | | |
| | | if (_td.name == 'th' || _td.name == 'td') { |
| | | if (border) _td.attrs.style = 'border:'.concat(border, 'px solid gray;').concat(_td.attrs.style || '') |
| | | if (padding) _td.attrs.style = 'padding:'.concat(padding, 'px;').concat(_td.attrs.style || '') |
| | | } else if (_td.children) traversal(_td.children) |
| | | } |
| | | }(children)) |
| | | } |
| | | } // ç»è¡¨æ ¼æ·»å ä¸ä¸ªåç¬çæ¨ªåæ»å¨å± |
| | | |
| | | if (this.options.scrollTable && !(attrs.style || '').includes('inline')) { |
| | | const table = { ...node } |
| | | node.name = 'div' |
| | | node.attrs = { |
| | | style: 'overflow:auto' |
| | | } |
| | | node.children = [table] |
| | | attrs = table.attrs |
| | | } |
| | | } else if ((node.name == 'td' || node.name == 'th') && (attrs.colspan || attrs.rowspan)) { |
| | | for (let _i8 = this.stack.length; _i8--;) { |
| | | if (this.stack[_i8].name == 'table') { |
| | | this.stack[_i8].flag = 1 // æç¤ºå«æåå¹¶åå
æ ¼ |
| | | |
| | | break |
| | | } |
| | | } |
| | | } // è½¬æ¢ ruby |
| | | else if (node.name == 'ruby') { |
| | | node.name = 'span' |
| | | |
| | | for (let _i9 = 0; _i9 < children.length - 1; _i9++) { |
| | | if (children[_i9].type == 'text' && children[_i9 + 1].name == 'rt') { |
| | | children[_i9] = { |
| | | name: 'div', |
| | | attrs: { |
| | | style: 'display:inline-block' |
| | | }, |
| | | children: [{ |
| | | name: 'div', |
| | | attrs: { |
| | | style: 'font-size:50%;text-align:start' |
| | | }, |
| | | children: children[_i9 + 1].children |
| | | }, children[_i9]] |
| | | } |
| | | children.splice(_i9 + 1, 1) |
| | | } |
| | | } |
| | | } else if (node.c) { |
| | | node.c = 2 |
| | | |
| | | for (let _i10 = node.children.length; _i10--;) { |
| | | if (!node.children[_i10].c || node.children[_i10].name == 'table') node.c = 1 |
| | | } |
| | | } |
| | | if ((styleObj.display || '').includes('flex') && !node.c) { |
| | | for (let _i11 = children.length; _i11--;) { |
| | | const _item = children[_i11] |
| | | |
| | | if (_item.f) { |
| | | _item.attrs.style = (_item.attrs.style || '') + _item.f |
| | | _item.f = void 0 |
| | | } |
| | | } |
| | | } // flex å¸å±æ¶é¨åæ ·å¼éè¦æåå° rich-text å¤å± |
| | | |
| | | const flex = parent && (parent.attrs.style || '').includes('flex') // #ifdef MP-WEIXIN |
| | | // æ£æ¥åºç¡åºçæ¬ virtualHost æ¯å¦å¯ç¨ |
| | | && !(node.c && wx.getNFCAdapter) // #endif |
| | | // #ifndef MP-WEIXIN || MP-QQ || MP-BAIDU || MP-TOUTIAO |
| | | && !node.c // #endif |
| | | |
| | | if (flex) node.f = ';max-width:100%' // #endif |
| | | |
| | | for (const key in styleObj) { |
| | | if (styleObj[key]) { |
| | | const val = ';'.concat(key, ':').concat(styleObj[key].replace(' !important', '')) // #ifndef APP-PLUS-NVUE |
| | | |
| | | if (flex && (key.includes('flex') && key != 'flex-direction' || key == 'align-self' || styleObj[key][0] == '-' || key == 'width' && val.includes('%'))) { |
| | | node.f += val |
| | | if (key == 'width') attrs.style += ';width:100%' |
| | | } else // #endif |
| | | { attrs.style += val } |
| | | } |
| | | } |
| | | |
| | | attrs.style = attrs.style.substr(1) || void 0 |
| | | } |
| | | /** |
| | | * @description è§£æå°ææ¬ |
| | | * @param {String} text ææ¬å
容 |
| | | */ |
| | | |
| | | parser.prototype.onText = function (text) { |
| | | if (!this.pre) { |
| | | // å并空ç½ç¬¦ |
| | | let trim = '' |
| | | let flag |
| | | |
| | | for (let i = 0, len = text.length; i < len; i++) { |
| | | if (!blankChar[text[i]]) trim += text[i]; else { |
| | | if (trim[trim.length - 1] != ' ') trim += ' ' |
| | | if (text[i] == '\n' && !flag) flag = true |
| | | } |
| | | } // å»é¤å«ææ¢è¡ç¬¦ç空串 |
| | | |
| | | if (trim == ' ' && flag) return |
| | | text = trim |
| | | } |
| | | |
| | | const node = Object.create(null) |
| | | node.type = 'text' |
| | | node.text = decodeEntity(text) |
| | | |
| | | if (this.hook(node)) { |
| | | const siblings = this.stack.length ? this.stack[this.stack.length - 1].children : this.nodes |
| | | siblings.push(node) |
| | | } |
| | | } |
| | | /** |
| | | * @description html è¯æ³åæå¨ |
| | | * @param {Object} handler é«å±å¤çå¨ |
| | | */ |
| | | |
| | | function lexer(handler) { |
| | | this.handler = handler |
| | | } |
| | | /** |
| | | * @description æ§è¡è§£æ |
| | | * @param {String} content è¦è§£æçææ¬ |
| | | */ |
| | | |
| | | lexer.prototype.parse = function (content) { |
| | | this.content = content || '' |
| | | this.i = 0 // æ è®°è§£æä½ç½® |
| | | |
| | | this.start = 0 // æ è®°ä¸ä¸ªåè¯çå¼å§ä½ç½® |
| | | |
| | | this.state = this.text // å½åç¶æ |
| | | |
| | | for (let len = this.content.length; this.i != -1 && this.i < len;) { |
| | | this.state() |
| | | } |
| | | } |
| | | /** |
| | | * @description æ£æ¥æ ç¾æ¯å¦éå |
| | | * @param {String} method 妿éåè¦è¿è¡çæä½ |
| | | * @returns {Boolean} æ¯å¦éå |
| | | * @private |
| | | */ |
| | | |
| | | lexer.prototype.checkClose = function (method) { |
| | | const selfClose = this.content[this.i] == '/' |
| | | |
| | | if (this.content[this.i] == '>' || selfClose && this.content[this.i + 1] == '>') { |
| | | if (method) this.handler[method](this.content.substring(this.start, this.i)) |
| | | this.i += selfClose ? 2 : 1 |
| | | this.start = this.i |
| | | this.handler.onOpenTag(selfClose) |
| | | |
| | | if (this.handler.tagName == 'script') { |
| | | this.i = this.content.indexOf('</', this.i) |
| | | |
| | | if (this.i != -1) { |
| | | this.i += 2 |
| | | this.start = this.i |
| | | } |
| | | |
| | | this.state = this.endTag |
| | | } else this.state = this.text |
| | | |
| | | return true |
| | | } |
| | | |
| | | return false |
| | | } |
| | | /** |
| | | * @description ææ¬ç¶æ |
| | | * @private |
| | | */ |
| | | |
| | | lexer.prototype.text = function () { |
| | | this.i = this.content.indexOf('<', this.i) // æ¥æ¾æè¿çæ ç¾ |
| | | |
| | | if (this.i == -1) { |
| | | // æ²¡ææ ç¾äº |
| | | if (this.start < this.content.length) this.handler.onText(this.content.substring(this.start, this.content.length)) |
| | | return |
| | | } |
| | | |
| | | const c = this.content[this.i + 1] |
| | | |
| | | if (c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z') { |
| | | // æ ç¾å¼å¤´ |
| | | if (this.start != this.i) this.handler.onText(this.content.substring(this.start, this.i)) |
| | | this.start = ++this.i |
| | | this.state = this.tagName |
| | | } else if (c == '/' || c == '!' || c == '?') { |
| | | if (this.start != this.i) this.handler.onText(this.content.substring(this.start, this.i)) |
| | | const next = this.content[this.i + 2] |
| | | |
| | | if (c == '/' && (next >= 'a' && next <= 'z' || next >= 'A' && next <= 'Z')) { |
| | | // æ ç¾ç»å°¾ |
| | | this.i += 2 |
| | | this.start = this.i |
| | | return this.state = this.endTag |
| | | } // å¤ç注é |
| | | |
| | | let end = '-->' |
| | | if (c != '!' || this.content[this.i + 2] != '-' || this.content[this.i + 3] != '-') end = '>' |
| | | this.i = this.content.indexOf(end, this.i) |
| | | |
| | | if (this.i != -1) { |
| | | this.i += end.length |
| | | this.start = this.i |
| | | } |
| | | } else this.i++ |
| | | } |
| | | /** |
| | | * @description æ ç¾åç¶æ |
| | | * @private |
| | | */ |
| | | |
| | | lexer.prototype.tagName = function () { |
| | | if (blankChar[this.content[this.i]]) { |
| | | // è§£æå°æ ç¾å |
| | | this.handler.onTagName(this.content.substring(this.start, this.i)) |
| | | |
| | | while (blankChar[this.content[++this.i]]) { |
| | | |
| | | } |
| | | |
| | | if (this.i < this.content.length && !this.checkClose()) { |
| | | this.start = this.i |
| | | this.state = this.attrName |
| | | } |
| | | } else if (!this.checkClose('onTagName')) this.i++ |
| | | } |
| | | /** |
| | | * @description 屿§åç¶æ |
| | | * @private |
| | | */ |
| | | |
| | | lexer.prototype.attrName = function () { |
| | | let c = this.content[this.i] |
| | | |
| | | if (blankChar[c] || c == '=') { |
| | | // è§£æå°å±æ§å |
| | | this.handler.onAttrName(this.content.substring(this.start, this.i)) |
| | | let needVal = c == '=' |
| | | const len = this.content.length |
| | | |
| | | while (++this.i < len) { |
| | | c = this.content[this.i] |
| | | |
| | | if (!blankChar[c]) { |
| | | if (this.checkClose()) return |
| | | |
| | | if (needVal) { |
| | | // çå·åéå°ç¬¬ä¸ä¸ªé空å符 |
| | | this.start = this.i |
| | | return this.state = this.attrVal |
| | | } |
| | | |
| | | if (this.content[this.i] == '=') needVal = true; else { |
| | | this.start = this.i |
| | | return this.state = this.attrName |
| | | } |
| | | } |
| | | } |
| | | } else if (!this.checkClose('onAttrName')) this.i++ |
| | | } |
| | | /** |
| | | * @description 屿§å¼ç¶æ |
| | | * @private |
| | | */ |
| | | |
| | | lexer.prototype.attrVal = function () { |
| | | const c = this.content[this.i] |
| | | const len = this.content.length // æåå·ç屿§ |
| | | |
| | | if (c == '"' || c == "'") { |
| | | this.start = ++this.i |
| | | this.i = this.content.indexOf(c, this.i) |
| | | if (this.i == -1) return |
| | | this.handler.onAttrVal(this.content.substring(this.start, this.i)) |
| | | } // 没æåå·ç屿§ |
| | | else { |
| | | for (; this.i < len; this.i++) { |
| | | if (blankChar[this.content[this.i]]) { |
| | | this.handler.onAttrVal(this.content.substring(this.start, this.i)) |
| | | break |
| | | } else if (this.checkClose('onAttrVal')) return |
| | | } |
| | | } |
| | | |
| | | while (blankChar[this.content[++this.i]]) { |
| | | |
| | | } |
| | | |
| | | if (this.i < len && !this.checkClose()) { |
| | | this.start = this.i |
| | | this.state = this.attrName |
| | | } |
| | | } |
| | | /** |
| | | * @description ç»ææ ç¾ç¶æ |
| | | * @returns {String} ç»æçæ ç¾å |
| | | * @private |
| | | */ |
| | | |
| | | lexer.prototype.endTag = function () { |
| | | const c = this.content[this.i] |
| | | |
| | | if (blankChar[c] || c == '>' || c == '/') { |
| | | this.handler.onCloseTag(this.content.substring(this.start, this.i)) |
| | | |
| | | if (c != '>') { |
| | | this.i = this.content.indexOf('>', this.i) |
| | | if (this.i == -1) return |
| | | } |
| | | |
| | | this.start = ++this.i |
| | | this.state = this.text |
| | | } else this.i++ |
| | | } |
| | | |
| | | module.exports = parser |