24 lines
16 KiB
JavaScript
24 lines
16 KiB
JavaScript
/***********************************************
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Copyright 2010 - 2012 Chris Winberry <chris@winberry.net>. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to
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deal in the Software without restriction, including without limitation the
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rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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sell copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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***********************************************/
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/* v2.0.0 */
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!function(){function t(t,e){var a=function(){};a.prototype=e.prototype,t.super_=e,t.prototype=new a,t.prototype.constructor=t}function e(t,e){this._options=e||{},this._validateBuilder(t);this._builder=t,this.reset()}function a(t,e){this.reset(),this._options=e||{},void 0===this._options.ignoreWhitespace&&(this._options.ignoreWhitespace=!1),void 0===this._options.includeLocation&&(this._options.includeLocation=!1),void 0===this._options.verbose&&(this._options.verbose=!0),void 0===this._options.enforceEmptyTags&&(this._options.enforceEmptyTags=!0),void 0===this._options.caseSensitiveTags&&(this._options.caseSensitiveTags=!1),void 0===this._options.caseSensitiveAttr&&(this._options.caseSensitiveAttr=!1),"function"==typeof t&&(this._callback=t)}function n(t){n.super_.call(this,t,{ignoreWhitespace:!0,verbose:!1,enforceEmptyTags:!1,caseSensitiveTags:!0})}var i;if("undefined"!=typeof module&&void 0!==module.exports)i=module.exports;else{if(i={},this.Tautologistics||(this.Tautologistics={}),this.Tautologistics.NodeHtmlParser)return;this.Tautologistics.NodeHtmlParser=i}var s={Text:"text",Tag:"tag",Attr:"attr",CData:"cdata",Doctype:"doctype",Comment:"comment"};"undefined"!=typeof module&&void 0!==module.exports&&(t(e,require("stream")),e.prototype.writable=!0,e.prototype.write=function(t){t instanceof Buffer&&(t=t.toString()),this.parseChunk(t)},e.prototype.end=function(t){arguments.length&&this.write(t),this.writable=!1,this.done()},e.prototype.destroy=function(){this.writable=!1}),e.prototype.reset=function(){this._state={mode:s.Text,pos:0,data:null,pendingText:null,pendingWrite:null,lastTag:null,isScript:!1,needData:!1,output:[],done:!1},this._builder.reset()},e.prototype.parseChunk=function(t){for(this._state.needData=!1,this._state.data=null!==this._state.data?this._state.data.substr(this.pos)+t:t;this._state.pos<this._state.data.length&&!this._state.needData;)this._parse(this._state)},e.prototype.parseComplete=function(t){this.reset(),this.parseChunk(t),this.done()},e.prototype.done=function(){this._state.done=!0,this._parse(this._state),this._flushWrite(),this._builder.done()},e.prototype._validateBuilder=function(t){if("object"!=typeof t)throw new Error("Builder is not an object");if("function"!=typeof t.reset)throw new Error("Builder method 'reset' is invalid");if("function"!=typeof t.done)throw new Error("Builder method 'done' is invalid");if("function"!=typeof t.write)throw new Error("Builder method 'write' is invalid");if("function"!=typeof t.error)throw new Error("Builder method 'error' is invalid")},e.prototype._parse=function(){switch(this._state.mode){case s.Text:return this._parseText(this._state);case s.Tag:return this._parseTag(this._state);case s.Attr:return this._parseAttr(this._state);case s.CData:return this._parseCData(this._state);case s.Doctype:return this._parseDoctype(this._state);case s.Comment:return this._parseComment(this._state)}},e.prototype._writePending=function(t){this._state.pendingWrite||(this._state.pendingWrite=[]),this._state.pendingWrite.push(t)},e.prototype._flushWrite=function(){if(this._state.pendingWrite){for(var t=0,e=this._state.pendingWrite.length;t<e;t++){var a=this._state.pendingWrite[t];this._builder.write(a)}this._state.pendingWrite=null}},e.prototype._write=function(t){this._flushWrite(),this._builder.write(t)},e._re_parseText_scriptClose=/<\s*\/\s*script/gi,e.prototype._parseText=function(){var t,a=this._state;a.isScript?(e._re_parseText_scriptClose.lastIndex=a.pos,t=(t=e._re_parseText_scriptClose.exec(a.data))?t.index:-1):t=a.data.indexOf("<",a.pos);var n=-1===t?a.data.substring(a.pos,a.data.length):a.data.substring(a.pos,t);if(t<0&&a.done&&(t=a.data.length),t<0){if(a.isScript)return void(a.needData=!0);a.pendingText||(a.pendingText=[]),a.pendingText.push(a.data.substring(a.pos,a.data.length)),a.pos=a.data.length}else a.pendingText?(a.pendingText.push(a.data.substring(a.pos,t)),n=a.pendingText.join(""),a.pendingText=null):n=a.data.substring(a.pos,t),""!==n&&this._write({type:s.Text,data:n}),a.pos=t+1,a.mode=s.Tag},e.re_parseTag=/\s*(\/?)\s*([^\s>\/]+)(\s*)\??(>?)/g,e.prototype._parseTag=function(){var t=this._state;e.re_parseTag.lastIndex=t.pos;var a=e.re_parseTag.exec(t.data);if(a){if(!a[1]&&"!--"===a[2].substr(0,3))return t.mode=s.Comment,void(t.pos+=3);if(!a[1]&&"![CDATA["===a[2].substr(0,8))return t.mode=s.CData,void(t.pos+=8);if(!a[1]&&"!DOCTYPE"===a[2].substr(0,8))return t.mode=s.Doctype,void(t.pos+=8);if(!t.done&&t.pos+a[0].length===t.data.length)return void(t.needData=!0);var n;">"===a[4]?(t.mode=s.Text,n=a[0].substr(0,a[0].length-1)):(t.mode=s.Attr,n=a[0]),t.pos+=a[0].length;var i={type:s.Tag,name:a[1]+a[2],raw:n};t.mode===s.Attr&&(t.lastTag=i),"script"===i.name.toLowerCase()?t.isScript=!0:"/script"===i.name.toLowerCase()&&(t.isScript=!1),t.mode===s.Attr?this._writePending(i):this._write(i)}else t.needData=!0},e.re_parseAttr_findName=/\s*([^=<>\s'"\/]+)\s*/g,e.prototype._parseAttr_findName=function(){e.re_parseAttr_findName.lastIndex=this._state.pos;var t=e.re_parseAttr_findName.exec(this._state.data);return t?this._state.pos+t[0].length!==e.re_parseAttr_findName.lastIndex?null:{match:t[0],name:t[1]}:null},e.re_parseAttr_findValue=/\s*=\s*(?:'([^']*)'|"([^"]*)"|([^'"\s\/>]+))\s*/g,e.re_parseAttr_findValue_last=/\s*=\s*['"]?(.*)$/g,e.prototype._parseAttr_findValue=function(){var t=this._state;e.re_parseAttr_findValue.lastIndex=t.pos;var a=e.re_parseAttr_findValue.exec(t.data);return a?t.pos+a[0].length!==e.re_parseAttr_findValue.lastIndex?null:{match:a[0],value:a[1]||a[2]||a[3]}:t.done?(e.re_parseAttr_findValue_last.lastIndex=t.pos,a=e.re_parseAttr_findValue_last.exec(t.data),a?{match:a[0],value:""!==a[1]?a[1]:null}:null):null},e.re_parseAttr_splitValue=/\s*=\s*['"]?/g,e.re_parseAttr_selfClose=/(\s*\/\s*)(>?)/g,e.prototype._parseAttr=function(){var t=this._state,a=this._parseAttr_findName(t);if(a&&"?"!==a.name){if(!t.done&&t.pos+a.match.length===t.data.length)return t.needData=!0,null;t.pos+=a.match.length;var n=this._parseAttr_findValue(t);t.data.indexOf(" ",t.pos);if(n){if(!t.done&&t.pos+n.match.length===t.data.length)return t.needData=!0,void(t.pos-=a.match.length);t.pos+=n.match.length}else if(t.data.indexOf(" ",t.pos-1))n={match:"",value:a.name};else{if(e.re_parseAttr_splitValue.lastIndex=t.pos,e.re_parseAttr_splitValue.exec(t.data))return t.needData=!0,void(t.pos-=a.match.length);n={match:"",value:null}}t.lastTag.raw+=a.match+n.match,this._writePending({type:s.Attr,name:a.name,data:n.value})}else{e.re_parseAttr_selfClose.lastIndex=t.pos;var i=e.re_parseAttr_selfClose.exec(t.data);if(i&&i.index===t.pos){if(!t.done&&!i[2]&&t.pos+i[0].length===t.data.length)return void(t.needData=!0);t.lastTag.raw+=i[1],this._write({type:s.Tag,name:"/"+t.lastTag.name,raw:null}),t.pos+=i[1].length}var r=t.data.indexOf(">",t.pos);if(r<0){if(t.done)return t.lastTag.raw+=t.data.substr(t.pos),void(t.pos=t.data.length);t.needData=!0}else t.pos=r+1,t.mode=s.Text}},e.re_parseCData_findEnding=/\]{1,2}$/,e.prototype._parseCData=function(){var t=this._state,a=t.data.indexOf("]]>",t.pos);if(a<0&&t.done&&(a=t.data.length),a<0){if(e.re_parseCData_findEnding.lastIndex=t.pos,e.re_parseCData_findEnding.exec(t.data))return void(t.needData=!0);t.pendingText||(t.pendingText=[]),t.pendingText.push(t.data.substr(t.pos,t.data.length)),t.pos=t.data.length,t.needData=!0}else{var n;t.pendingText?(t.pendingText.push(t.data.substring(t.pos,a)),n=t.pendingText.join(""),t.pendingText=null):n=t.data.substring(t.pos,a),this._write({type:s.CData,data:n}),t.mode=s.Text,t.pos=a+3}},e.prototype._parseDoctype=function(){var t=this._state,a=t.data.indexOf(">",t.pos);if(a<0&&t.done&&(a=t.data.length),a<0)e.re_parseCData_findEnding.lastIndex=t.pos,t.pendingText||(t.pendingText=[]),t.pendingText.push(t.data.substr(t.pos,t.data.length)),t.pos=t.data.length,t.needData=!0;else{var n;t.pendingText?(t.pendingText.push(t.data.substring(t.pos,a)),n=t.pendingText.join(""),t.pendingText=null):n=t.data.substring(t.pos,a),this._write({type:s.Doctype,data:n}),t.mode=s.Text,t.pos=a+1}},e.re_parseComment_findEnding=/\-{1,2}$/,e.prototype._parseComment=function(){var t=this._state,a=t.data.indexOf("--\x3e",t.pos);if(a<0&&t.done&&(a=t.data.length),a<0){if(e.re_parseComment_findEnding.lastIndex=t.pos,e.re_parseComment_findEnding.exec(t.data))return void(t.needData=!0);t.pendingText||(t.pendingText=[]),t.pendingText.push(t.data.substr(t.pos,t.data.length)),t.pos=t.data.length,t.needData=!0}else{var n;t.pendingText?(t.pendingText.push(t.data.substring(t.pos,a)),n=t.pendingText.join(""),t.pendingText=null):n=t.data.substring(t.pos,a),this._write({type:s.Comment,data:n}),t.mode=s.Text,t.pos=a+3}},a._emptyTags={area:1,base:1,basefont:1,br:1,col:1,frame:1,hr:1,img:1,input:1,isindex:1,link:1,meta:1,param:1,embed:1,"?xml":1},a.reWhitespace=/^\s*$/,a.prototype.dom=null,a.prototype.reset=function(){this.dom=[],this._done=!1,this._tagStack=[],this._lastTag=null,this._tagStack.last=function(){return this.length?this[this.length-1]:null},this._line=1,this._col=1},a.prototype.done=function(){this._done=!0,this.handleCallback(null)},a.prototype.error=function(t){this.handleCallback(t)},a.prototype.handleCallback=function(t){if("function"==typeof this._callback)this._callback(t,this.dom);else if(t)throw t},a.prototype.isEmptyTag=function(t){var e=t.name.toLowerCase();return"?"==e.charAt(0)||("/"==e.charAt(0)&&(e=e.substring(1)),this._options.enforceEmptyTags&&!!a._emptyTags[e])},a.prototype._getLocation=function(){return{line:this._line,col:this._col}},a.prototype._updateLocation=function(t){var e=t.type===s.Tag?t.raw:t.data;if(null!==e){var a=e.split("\n");this._line+=a.length-1,a.length>1&&(this._col=1),this._col+=a[a.length-1].length,t.type===s.Tag?this._col+=2:t.type===s.Comment?this._col+=7:t.type===s.CData&&(this._col+=12)}},a.prototype._copyElement=function(t){var e={type:t.type};if(this._options.verbose&&void 0!==t.raw&&(e.raw=t.raw),void 0!==t.name)switch(t.type){case s.Tag:e.name=this._options.caseSensitiveTags?t.name:t.name.toLowerCase();break;case s.Attr:e.name=this._options.caseSensitiveAttr?t.name:t.name.toLowerCase();break;default:e.name=this._options.caseSensitiveTags?t.name:t.name.toLowerCase()}return void 0!==t.data&&(e.data=t.data),t.location&&(e.location={line:t.location.line,col:t.location.col}),e},a.prototype.write=function(t){if(this._done&&this.handleCallback(new Error("Writing to the builder after done() called is not allowed without a reset()")),this._options.includeLocation&&t.type!==s.Attr&&(t.location=this._getLocation(),this._updateLocation(t)),t.type!==s.Text||!this._options.ignoreWhitespace||!a.reWhitespace.test(t.data)){var e,n;if(this._tagStack.last())if(t.type===s.Tag)if("/"==t.name.charAt(0)){var i=this._options.caseSensitiveTags?t.name.substring(1):t.name.substring(1).toLowerCase();if(!this.isEmptyTag(t)){for(var r=this._tagStack.length-1;r>-1&&this._tagStack[r--].name!=i;);if(r>-1||this._tagStack[0].name==i)for(;r<this._tagStack.length-1;)this._tagStack.pop()}}else e=this._tagStack.last(),t.type===s.Attr?(e.attributes||(e.attributes={}),e.attributes[this._options.caseSensitiveAttr?t.name:t.name.toLowerCase()]=t.data):(n=this._copyElement(t),e.children||(e.children=[]),e.children.push(n),this.isEmptyTag(n)||this._tagStack.push(n),t.type===s.Tag&&(this._lastTag=n));else e=this._tagStack.last(),t.type===s.Attr?(e.attributes||(e.attributes={}),e.attributes[this._options.caseSensitiveAttr?t.name:t.name.toLowerCase()]=t.data):(e.children||(e.children=[]),e.children.push(this._copyElement(t)));else t.type===s.Tag?"/"!=t.name.charAt(0)&&(n=this._copyElement(t),this.dom.push(n),this.isEmptyTag(n)||this._tagStack.push(n),this._lastTag=n):t.type===s.Attr&&this._lastTag?(this._lastTag.attributes||(this._lastTag.attributes={}),this._lastTag.attributes[this._options.caseSensitiveAttr?t.name:t.name.toLowerCase()]=t.data):this.dom.push(this._copyElement(t))}},a.prototype._options=null,a.prototype._callback=null,a.prototype._done=!1,a.prototype._tagStack=null,t(n,a),n.prototype.done=function(){var t,e={},a=r.getElementsByTagName(function(t){return"rss"==t||"feed"==t},this.dom,!1);if(a.length&&(t=a[0]),t){if("rss"==t.name){e.type="rss",t=t.children[0],e.id="";try{e.title=r.getElementsByTagName("title",t.children,!1)[0].children[0].data}catch(t){}try{e.link=r.getElementsByTagName("link",t.children,!1)[0].children[0].data}catch(t){}try{e.description=r.getElementsByTagName("description",t.children,!1)[0].children[0].data}catch(t){}try{e.updated=new Date(r.getElementsByTagName("lastBuildDate",t.children,!1)[0].children[0].data)}catch(t){}try{e.author=r.getElementsByTagName("managingEditor",t.children,!1)[0].children[0].data}catch(t){}e.items=[],r.getElementsByTagName("item",t.children).forEach(function(t,a,n){var i={};try{i.id=r.getElementsByTagName("guid",t.children,!1)[0].children[0].data}catch(t){}try{i.title=r.getElementsByTagName("title",t.children,!1)[0].children[0].data}catch(t){}try{i.link=r.getElementsByTagName("link",t.children,!1)[0].children[0].data}catch(t){}try{i.description=r.getElementsByTagName("description",t.children,!1)[0].children[0].data}catch(t){}try{i.pubDate=new Date(r.getElementsByTagName("pubDate",t.children,!1)[0].children[0].data)}catch(t){}e.items.push(i)})}else{e.type="atom";try{e.id=r.getElementsByTagName("id",t.children,!1)[0].children[0].data}catch(t){}try{e.title=r.getElementsByTagName("title",t.children,!1)[0].children[0].data}catch(t){}try{e.link=r.getElementsByTagName("link",t.children,!1)[0].attributes.href}catch(t){}try{e.description=r.getElementsByTagName("subtitle",t.children,!1)[0].children[0].data}catch(t){}try{e.updated=new Date(r.getElementsByTagName("updated",t.children,!1)[0].children[0].data)}catch(t){}try{e.author=r.getElementsByTagName("email",t.children,!0)[0].children[0].data}catch(t){}e.items=[],r.getElementsByTagName("entry",t.children).forEach(function(t,a,n){var i={};try{i.id=r.getElementsByTagName("id",t.children,!1)[0].children[0].data}catch(t){}try{i.title=r.getElementsByTagName("title",t.children,!1)[0].children[0].data}catch(t){}try{i.link=r.getElementsByTagName("link",t.children,!1)[0].attributes.href}catch(t){}try{i.description=r.getElementsByTagName("summary",t.children,!1)[0].children[0].data}catch(t){}try{i.pubDate=new Date(r.getElementsByTagName("updated",t.children,!1)[0].children[0].data)}catch(t){}e.items.push(i)})}this.dom=e}n.super_.prototype.done.call(this)};var r={testElement:function(t,e){if(!e)return!1;for(var a in t)if(t.hasOwnProperty(a))if("tag_name"==a){if(e.type!==s.Tag)return!1;if(!t.tag_name(e.name))return!1}else if("tag_type"==a){if(!t.tag_type(e.type))return!1}else if("tag_contains"==a){if(e.type!==s.Text&&e.type!==s.Comment&&e.type!==s.CData)return!1;if(!t.tag_contains(e.data))return!1}else if(!e.attributes||!t[a](e.attributes[a]))return!1;return!0},getElements:function(t,e,a,n){if(a=void 0===a||null===a||!!a,n=isNaN(parseInt(n))?-1:parseInt(n),!e)return[];var i,s=[];for(var o in t)"function"!=typeof t[o]&&(t[o]=function(t){return function(e){return e==t}}(t[o]));if(r.testElement(t,e)&&s.push(e),n>=0&&s.length>=n)return s;if(a&&e.children)i=e.children;else{if(!(e instanceof Array))return s;i=e}for(var d=0;d<i.length&&(s=s.concat(r.getElements(t,i[d],a,n)),!(n>=0&&s.length>=n));d++);return s},getElementById:function(t,e,a){var n=r.getElements({id:t},e,a,1);return n.length?n[0]:null},getElementsByTagName:function(t,e,a,n){return r.getElements({tag_name:t},e,a,n)},getElementsByTagType:function(t,e,a,n){return r.getElements({tag_type:t},e,a,n)}};i.Parser=e,i.HtmlBuilder=a,i.RssBuilder=n,i.ElementType=s,i.DomUtils=r}();
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