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2.7 KiB
2 lines
2.7 KiB
5 years ago
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/*! Project:无, Create:FWS 2020.01.08 21:48, Update:FWS 2020.01.08 21:48 */
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"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var node_1=require("./node");exports.Node=node_1.Node,exports.Element=node_1.Element,exports.DataNode=node_1.DataNode,exports.NodeWithChildren=node_1.NodeWithChildren;var reWhitespace=/\s+/g,defaultOpts={normalizeWhitespace:!1,withStartIndices:!1,withEndIndices:!1},DomHandler=function(){function t(t,e,o){this.dom=[],this._done=!1,this._tagStack=[],this._lastNode=null,this._parser=null,"function"==typeof e&&(o=e,e=defaultOpts),"object"==typeof t&&(e=t,t=undefined),this._callback=t||null,this._options=e||defaultOpts,this._elementCB=o||null}return t.prototype.onparserinit=function(t){this._parser=t},t.prototype.onreset=function(){this.dom=[],this._done=!1,this._tagStack=[],this._lastNode=null,this._parser=this._parser||null},t.prototype.onend=function(){this._done||(this._done=!0,this._parser=null,this.handleCallback(null))},t.prototype.onerror=function(t){this.handleCallback(t)},t.prototype.onclosetag=function(){this._lastNode=null;var t=this._tagStack.pop();t&&this._parser&&(this._options.withEndIndices&&(t.endIndex=this._parser.endIndex),this._elementCB&&this._elementCB(t))},t.prototype.onopentag=function(t,e){var o=new node_1.Element(t,e);this.addNode(o),this._tagStack.push(o)},t.prototype.ontext=function(t){var e=this._options.normalizeWhitespace,o=this._lastNode;if(o&&"text"===o.type)e?o.data=(o.data+t).replace(reWhitespace," "):o.data+=t;else{e&&(t=t.replace(reWhitespace," "));var n=new node_1.DataNode("text",t);this.addNode(n),this._lastNode=n}},t.prototype.oncomment=function(t){if(this._lastNode&&"comment"===this._lastNode.type)return void(this._lastNode.data+=t);var e=new node_1.DataNode("comment",t);this.addNode(e),this._lastNode=e},t.prototype.oncommentend=function(){this._lastNode=null},t.prototype.oncdatastart=function(){var t=new node_1.DataNode("text",""),e=new node_1.NodeWithChildren("cdata",[t]);this.addNode(e),t.parent=e,this._lastNode=t},t.prototype.oncdataend=function(){this._lastNode=null},t.prototype.onprocessinginstruction=function(t,e){var o=new node_1.ProcessingInstruction(t,e);this.addNode(o)},t.prototype.handleCallback=function(t){if("function"==typeof this._callback)this._callback(t,this.dom);else if(t)throw t},t.prototype.addNode=function(t){var e=this._tagStack[this._tagStack.length-1],o=e?e.children:this.dom,n=o[o.length-1];this._parser&&(this._options.withStartIndices&&(t.startIndex=this._parser.startIndex),this._options.withEndIndices&&(t.endIndex=this._parser.endIndex)),o.push(t),n&&(t.prev=n,n.next=t),e&&(t.parent=e),this._lastNode=null},t.prototype.addDataNode=function(t){this.addNode(t),this._lastNode=t},t}();exports.DomHandler=DomHandler,exports["default"]=DomHandler;
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