1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 | 32× 371× 371× 371× 371× 66× 18× 18× 18× 66× 2× 2× 2× 2× 2× 2× 64× 64× 64× 64× 64× 64× 64× 64× 64× 64× 64× 64× 64× 64× 64× 6× 58× 64× 64× 64× 247× 247× 107× 18× 18× 140× 22× 22× 64× 40× 40× 40× 2× 2× 2× 2× 2× 2× 64× 66× 66× 1× 371× 371× 50× 26× 371× | import { DefaultDOMElement } from '../dom' import { platform } from '../util' import { Document, HTMLImporter, JSONConverter } from '../model' const INLINENODES = ['a','b','big','i','small','tt','abbr','acronym','cite','code','dfn','em','kbd','strong','samp','time','var','bdo','br','img','map','object','q','script','span','sub','sup','button','input','label','select','textarea'].reduce((m,n)=>{m[n]=true;return m}, {}) /** Import HTML from clipboard. Used for inter-application copy'n'paste. @internal */ export default class ClipboardImporter extends HTMLImporter { constructor(config) { super(_withCatchAllConverter(config)) // disabling warnings about default importers this.IGNORE_DEFAULT_WARNINGS = true Object.assign(config, { trimWhitespaces: true, REMOVE_INNER_WS: true }) // ATTENTION: this is only here so we can enfore windows conversion // mode from within tests this._isWindows = platform.isWindows } /** Parses HTML and applies some sanitization/normalization. */ importDocument(html) { if (this._isWindows) { // Under windows we can exploit <!--StartFragment--> and <!--EndFragment--> // to have an easier life let match = /<!--StartFragment-->(.*)<!--EndFragment-->/.exec(html) Eif (match) { html = match[1] } } // when copying from a substance editor we store JSON in a script tag in the head // If the import fails e.g. because the schema is incompatible // we fall back to plain HTML import if (html.search(/script id=.substance-clipboard./)>=0) { let htmlDoc = DefaultDOMElement.parseHTML(html) let substanceData = htmlDoc.find('#substance-clipboard') Eif (substanceData) { let jsonStr = substanceData.textContent try { return this.importFromJSON(jsonStr) } finally { // nothing } } } let htmlDoc = DefaultDOMElement.parseHTML(html) let body = htmlDoc.find('body') body = this._sanitizeBody(body) Iif (!body) { console.warn('Invalid HTML.') return null } this._wrapIntoParagraph(body) this.reset() this.convertBody(body) const doc = this.state.doc return doc } _sanitizeBody(body) { body = this._fixupGoogleDocsBody(body) // Remove <meta> element body.findAll('meta').forEach(el => el.remove()) return body } _fixupGoogleDocsBody(body) { Iif (!body) return // Google Docs has a strange convention to use a bold tag as // container for the copied elements // HACK: we exploit the fact that this element has an id with a // specific format, e.g., id="docs-internal-guid-5bea85da-43dc-fb06-e327-00c1c6576cf7" let bold = body.find('b') if (bold && /^docs-internal/.exec(bold.id)) { return bold } return body } _wrapIntoParagraph(body) { let childNodes = body.getChildNodes() let shouldWrap = false for (let i = 0; i < childNodes.length; i++) { const c = childNodes[i] if (c.isTextNode()) { if (!(/^\s+$/.exec(c.textContent))) { shouldWrap = true break } } else if (INLINENODES[c.tagName]) { shouldWrap = true break } } if (shouldWrap) { let p = body.createElement('p') p.append(childNodes) body.append(p) } } importFromJSON(jsonStr) { this.reset() let doc = this.getDocument() let jsonData = JSON.parse(jsonStr) let converter = new JSONConverter() converter.importDocument(doc, jsonData) return doc } /** Converts all children of a given body element. @param {String} body body element of given HTML document */ convertBody(body) { this.convertContainer(body.childNodes, Document.SNIPPET_ID) } /** Creates substance document to paste. @return {Document} the document instance */ _createDocument() { let emptyDoc = super._createDocument() return emptyDoc.createSnippet() } } function _withCatchAllConverter(config) { let defaultTextType = config.schema.getDefaultTextType() config.converters = config.converters.concat([{ type: defaultTextType, matchElement: function(el) { return el.is('div') }, import: function(el, node, converter) { node.content = converter.annotatedText(el, [node.id, 'content']) } }]) return config } |