Node.js 如何在DOMParser上覆盖node/xmldom errorHandler?
我使用并希望检查XML文件上的语法错误。 文档中写道,有必要在DOMParser的构造函数上覆盖locator+errorHandler 但我找不到任何地方的代码示例,如何在节点上下文中使用这些代码 文件说明:Node.js 如何在DOMParser上覆盖node/xmldom errorHandler?,node.js,xmldom,Node.js,Xmldom,我使用并希望检查XML文件上的语法错误。 文档中写道,有必要在DOMParser的构造函数上覆盖locator+errorHandler 但我找不到任何地方的代码示例,如何在节点上下文中使用这些代码 文件说明: //errorHandler is supported new DOMParser({ /** * locator is always need for error position info */ locator:{}, /** * you
//errorHandler is supported
new DOMParser({
/**
* locator is always need for error position info
*/
locator:{},
/**
* you can override the errorHandler for xml parser
* @link http://www.saxproject.org/apidoc/org/xml/sax/ErrorHandler.html
*/
errorHandler:{warning:function(w){console.warn(w)},error:callback,fatalError:callback}
//only callback model
//errorHandler:function(level,msg){console.log(level,msg)}
})
这是可运行代码:
var DOMParser = require('xmldom').DOMParser;
let mylocator = {};
let parseLog = {errorLevel: 0};
let parser = new DOMParser({
locator: mylocator,
errorHandler: {
warning: (msg) => {manageXmlParseError(msg,1,parseLog)},
error: (msg) => {manageXmlParseError(msg,2,parseLog)},
fatalError: (msg) => {manageXmlParseError(msg,3,parseLog)},
},
});
function manageXmlParseError(msg,errorLevel,errorLog){
if( (errorLog.errorLevel == null) || (errorLog.errorLevel < errorLevel)){
errorLog.errorLevel = errorLevel;
}
if(errorLog[errorLevel.toString()] == null){
errorLog[errorLevel.toString()] = [];
}
errorLog[errorLevel.toString()].push(msg);
}
var doc = parser.parseFromString(
'<xml xmlns="a" xmlns:c="./lite">\n'+
'\t<child>test</child>\n'+
'\t<child22><<</child>\n'+
'\t<child/>\n'+
'</xml>'
,'text/xml');
console.info("parsestatus ==> " + parseLog.errorLevel + "\nlocator:" + mylocator.columnNumber + "/" + mylocator.lineNumber );
var-DOMParser=require('xmldom').DOMParser;
设mylocator={};
让parseLog={errorLevel:0};
let parser=new DOMParser({
定位器:mylocator,
错误处理程序:{
警告:(msg)=>{manageXmlParseError(msg,1,parseLog)},
错误:(msg)=>{manageXmlParseError(msg,2,parseLog)},
fatalError:(msg)=>{manageXmlParseError(msg,3,parseLog)},
},
});
函数manageXmlParseError(消息、错误级别、错误日志){
如果((errorLog.errorLevel==null)| |(errorLog.errorLevel