fast-xml-parser
Version:
Validate XML, Parse XML, Build XML without C/C++ based libraries
1 lines • 32.9 kB
JavaScript
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n=[];let i=!1,s=!1;"\ufeff"===t[0]&&(t=t.substr(1));for(let r=0;r<t.length;r++)if("<"===t[r]&&"?"===t[r+1]){if(r+=2,r=u(t,r),r.err)return r}else{if("<"!==t[r]){if(l(t[r]))continue;return m("InvalidChar","char '"+t[r]+"' is not expected.",N(t,r))}{let o=r;if(r++,"!"===t[r]){r=d(t,r);continue}{let a=!1;"/"===t[r]&&(a=!0,r++);let h="";for(;r<t.length&&">"!==t[r]&&" "!==t[r]&&"\t"!==t[r]&&"\n"!==t[r]&&"\r"!==t[r];r++)h+=t[r];if(h=h.trim(),"/"===h[h.length-1]&&(h=h.substring(0,h.length-1),r--),!b(h)){let e;return e=0===h.trim().length?"Invalid space after '<'.":"Tag '"+h+"' is an invalid name.",m("InvalidTag",e,N(t,r))}const p=c(t,r);if(!1===p)return m("InvalidAttr","Attributes for '"+h+"' have open quote.",N(t,r));let f=p.value;if(r=p.index,"/"===f[f.length-1]){const n=r-f.length;f=f.substring(0,f.length-1);const s=g(f,e);if(!0!==s)return m(s.err.code,s.err.msg,N(t,n+s.err.line));i=!0}else if(a){if(!p.tagClosed)return m("InvalidTag","Closing tag '"+h+"' doesn't have proper 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T={preserveOrder:!1,attributeNamePrefix:"@_",attributesGroupName:!1,textNodeName:"#text",ignoreAttributes:!0,removeNSPrefix:!1,allowBooleanAttributes:!1,parseTagValue:!0,parseAttributeValue:!1,trimValues:!0,cdataPropName:!1,numberParseOptions:{hex:!0,leadingZeros:!0,eNotation:!0},tagValueProcessor:function(t,e){return e},attributeValueProcessor:function(t,e){return e},stopNodes:[],alwaysCreateTextNode:!1,isArray:()=>!1,commentPropName:!1,unpairedTags:[],processEntities:!0,htmlEntities:!1,ignoreDeclaration:!1,ignorePiTags:!1,transformTagName:!1,transformAttributeName:!1,updateTag:function(t,e,n){return t},captureMetaData:!1,maxNestedTags:100,strictReservedNames:!0};function w(t){return"boolean"==typeof t?{enabled:t,maxEntitySize:1e4,maxExpansionDepth:10,maxTotalExpansions:1e3,maxExpandedLength:1e5,allowedTags:null,tagFilter:null}:"object"==typeof t&&null!==t?{enabled:!1!==t.enabled,maxEntitySize:t.maxEntitySize??1e4,maxExpansionDepth:t.maxExpansionDepth??10,maxTotalExpansions:t.maxTotalExpansions??1e3,maxExpandedLength:t.maxExpandedLength??1e5,allowedTags:t.allowedTags??null,tagFilter:t.tagFilter??null}:w(!0)}const v=function(t){const e=Object.assign({},T,t);return e.processEntities=w(e.processEntities),e};let O;O="function"!=typeof Symbol?"@@xmlMetadata":Symbol("XML Node Metadata");class I{constructor(t){this.tagname=t,this.child=[],this[":@"]=Object.create(null)}add(t,e){"__proto__"===t&&(t="#__proto__"),this.child.push({[t]:e})}addChild(t,e){"__proto__"===t.tagname&&(t.tagname="#__proto__"),t[":@"]&&Object.keys(t[":@"]).length>0?this.child.push({[t.tagname]:t.child,":@":t[":@"]}):this.child.push({[t.tagname]:t.child}),void 0!==e&&(this.child[this.child.length-1][O]={startIndex:e})}static getMetaDataSymbol(){return O}}class P{constructor(t){this.suppressValidationErr=!t,this.options=t}readDocType(t,e){const n=Object.create(null);if("O"!==t[e+3]||"C"!==t[e+4]||"T"!==t[e+5]||"Y"!==t[e+6]||"P"!==t[e+7]||"E"!==t[e+8])throw new Error("Invalid Tag instead of DOCTYPE");{e+=9;let i=1,s=!1,r=!1,o="";for(;e<t.length;e++)if("<"!==t[e]||r)if(">"===t[e]){if(r?"-"===t[e-1]&&"-"===t[e-2]&&(r=!1,i--):i--,0===i)break}else"["===t[e]?s=!0:o+=t[e];else{if(s&&S(t,"!ENTITY",e)){let i,s;if(e+=7,[i,s,e]=this.readEntityExp(t,e+1,this.suppressValidationErr),-1===s.indexOf("&")){const t=i.replace(/[.\-+*:]/g,"\\.");n[i]={regx:RegExp(`&${t};`,"g"),val:s}}}else if(s&&S(t,"!ELEMENT",e)){e+=8;const{index:n}=this.readElementExp(t,e+1);e=n}else if(s&&S(t,"!ATTLIST",e))e+=8;else if(s&&S(t,"!NOTATION",e)){e+=9;const{index:n}=this.readNotationExp(t,e+1,this.suppressValidationErr);e=n}else{if(!S(t,"!--",e))throw new Error("Invalid DOCTYPE");r=!0}i++,o=""}if(0!==i)throw new Error("Unclosed DOCTYPE")}return{entities:n,i:e}}readEntityExp(t,e){e=A(t,e);let n="";for(;e<t.length&&!/\s/.test(t[e])&&'"'!==t[e]&&"'"!==t[e];)n+=t[e],e++;if(C(n),e=A(t,e),!this.suppressValidationErr){if("SYSTEM"===t.substring(e,e+6).toUpperCase())throw new Error("External entities are not supported");if("%"===t[e])throw new Error("Parameter entities are not supported")}let i="";if([e,i]=this.readIdentifierVal(t,e,"entity"),!1!==this.options.enabled&&this.options.maxEntitySize&&i.length>this.options.maxEntitySize)throw new Error(`Entity "${n}" size (${i.length}) exceeds maximum allowed size (${this.options.maxEntitySize})`);return[n,i,--e]}readNotationExp(t,e){e=A(t,e);let n="";for(;e<t.length&&!/\s/.test(t[e]);)n+=t[e],e++;!this.suppressValidationErr&&C(n),e=A(t,e);const i=t.substring(e,e+6).toUpperCase();if(!this.suppressValidationErr&&"SYSTEM"!==i&&"PUBLIC"!==i)throw new Error(`Expected SYSTEM or PUBLIC, found "${i}"`);e+=i.length,e=A(t,e);let s=null,r=null;if("PUBLIC"===i)[e,s]=this.readIdentifierVal(t,e,"publicIdentifier"),'"'!==t[e=A(t,e)]&&"'"!==t[e]||([e,r]=this.readIdentifierVal(t,e,"systemIdentifier"));else if("SYSTEM"===i&&([e,r]=this.readIdentifierVal(t,e,"systemIdentifier"),!this.suppressValidationErr&&!r))throw new Error("Missing mandatory system identifier for SYSTEM notation");return{notationName:n,publicIdentifier:s,systemIdentifier:r,index:--e}}readIdentifierVal(t,e,n){let i="";const s=t[e];if('"'!==s&&"'"!==s)throw new Error(`Expected quoted string, found "${s}"`);for(e++;e<t.length&&t[e]!==s;)i+=t[e],e++;if(t[e]!==s)throw new Error(`Unterminated ${n} value`);return[++e,i]}readElementExp(t,e){e=A(t,e);let n="";for(;e<t.length&&!/\s/.test(t[e]);)n+=t[e],e++;if(!this.suppressValidationErr&&!r(n))throw new Error(`Invalid element name: "${n}"`);let i="";if("E"===t[e=A(t,e)]&&S(t,"MPTY",e))e+=4;else if("A"===t[e]&&S(t,"NY",e))e+=2;else if("("===t[e]){for(e++;e<t.length&&")"!==t[e];)i+=t[e],e++;if(")"!==t[e])throw 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e;if(this.options=t,this.currentNode=null,this.tagsNodeStack=[],this.docTypeEntities={},this.lastEntities={apos:{regex:/&(apos|#39|#x27);/g,val:"'"},gt:{regex:/&(gt|#62|#x3E);/g,val:">"},lt:{regex:/&(lt|#60|#x3C);/g,val:"<"},quot:{regex:/&(quot|#34|#x22);/g,val:'"'}},this.ampEntity={regex:/&(amp|#38|#x26);/g,val:"&"},this.htmlEntities={space:{regex:/&(nbsp|#160);/g,val:" 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