angular-xml-editor
Version:
XML editor component for Angular
227 lines (226 loc) • 26.6 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
import { XmlToolbox } from '../xmlToolbox.class';
import { Xml2htmlAttributeWorker } from './xml2htmlAttributeWorker.class';
export class Xml2html {
/**
* @param {?} rules
*/
constructor(rules) {
this.rules = rules;
this.attributeWorker = new Xml2htmlAttributeWorker(rules);
}
/**
* @param {?} node
* @return {?}
*/
static getTagNameFromNode(node) {
/** @type {?} */
const elem = /** @type {?} */ (node);
/** @type {?} */
let name = '';
if (elem) {
name = elem.getAttribute(Xml2html.DataTagName);
}
if (name === undefined || name === null || name === '') {
throw new Error(`node has no DataTagName attribute ${XmlToolbox.GetNodeDebugContext(node)}`);
}
return name;
}
/**
* @param {?} node
* @return {?}
*/
static isFloatingElement(node) {
/** @type {?} */
const elem = /** @type {?} */ (node);
if (elem && elem.classList) {
return elem.classList.contains(Xml2html.FloatingTagClassName);
}
return false;
}
/**
* @param {?} node
* @return {?}
*/
static isNoClosingElement(node) {
/** @type {?} */
const elem = /** @type {?} */ (node);
if (elem && elem.classList) {
return elem.classList.contains(Xml2html.NoClosingTagClassName);
}
return false;
}
/**
* @param {?} xml
* @return {?}
*/
ToHtml(xml) {
if (xml === '' || xml === undefined || xml === null) {
return '';
}
// alert(xml);
// remove newline / carriage return
xml = xml.replace(/\n/g, '');
xml = xml.replace(/\r/g, '');
// remove whitespace (tabs) before tags
xml = xml.replace(/[\t]+\</g, '<');
// remove whitespace between tags
xml = xml.replace(/\>[\t]+\</g, '><');
// remove whitespace after tags
xml = xml.replace(/\>[\t]+$/g, '>');
/** @type {?} */
const domparser = new DOMParser();
/** @type {?} */
const domdoc = domparser.parseFromString(xml, 'text/xml');
/** @type {?} */
const targetDocument = new Document();
if (domdoc.documentElement === null) {
return '';
}
/** @type {?} */
const body = this.GetHtmlElementFromXmlElement(domdoc.documentElement, targetDocument);
if (body && body.nodeType === Node.ELEMENT_NODE) {
/** @type {?} */
const html = (/** @type {?} */ (body)).outerHTML;
return html;
}
else {
throw new Error(`root node ${XmlToolbox.GetNodeDebugContext(body)} is no element`);
}
}
/**
* @param {?} ruleElem
* @return {?}
*/
createNewElementHtml(ruleElem) {
/** @type {?} */
const elem = this.createNewElementByName(ruleElem.tagName);
return elem.outerHTML;
}
/**
* @param {?} tagName
* @return {?}
*/
createNewElementByName(tagName) {
/** @type {?} */
const tempDoc = new Document();
/** @type {?} */
const newElement = tempDoc.createElement('div');
/** @type {?} */
const rule = this.rules.ruleElements.get(tagName);
if (rule && rule.floating === true) {
newElement.classList.add(Xml2html.FloatingTagClassName);
}
// visualize closing tag or not?
if (rule && rule.empty === true) {
newElement.classList.add(Xml2html.NoClosingTagClassName);
}
newElement.setAttribute(Xml2html.DataTagName, tagName);
return newElement;
}
/**
* @param {?} node
* @param {?} targetDocument
* @return {?}
*/
GetHtmlElementFromXmlElement(node, targetDocument) {
switch (node.nodeType) {
case Node.ELEMENT_NODE: // element node
/** @type {?} */
const asElement = /** @type {?} */ (node);
/** @type {?} */
const nodeName = asElement.nodeName;
/** @type {?} */
let newElement = targetDocument.createElement('div');
/** @type {?} */
const rule = this.rules.ruleElements.get(nodeName);
if (rule && rule.floating) {
newElement.classList.add(Xml2html.FloatingTagClassName);
}
// visualize closing tag or not?
if (rule && rule.empty) {
newElement.classList.add(Xml2html.NoClosingTagClassName);
}
newElement.setAttribute(Xml2html.DataTagName, nodeName);
/** @type {?} */
const children = asElement.childNodes;
if (children.length === 0) {
newElement.appendChild(targetDocument.createTextNode('')); // to prevent non closing tags
}
else {
for (let i = 0; i < children.length; ++i) {
/** @type {?} */
const childAsHtml = this.GetHtmlElementFromXmlElement(children[i], targetDocument);
if (childAsHtml !== undefined) {
newElement.appendChild(childAsHtml);
}
}
}
// insert attributes
this.attributeWorker.writeAllXmlAttributesToHtml(asElement, newElement);
return newElement;
case Node.TEXT_NODE: // text node
/** @type {?} */
const content = (/** @type {?} */ (node)).textContent;
if (content.length > 0) {
return targetDocument.createTextNode(content);
}
else {
return undefined;
}
case Node.COMMENT_NODE:
// create element node
newElement = targetDocument.createElement('div');
newElement.classList.add(Xml2html.CommentTagClassName);
newElement.setAttribute(Xml2html.DataTagName, 'comment');
newElement.textContent = (/** @type {?} */ (node)).textContent;
return newElement;
/* yet not implemented types */
case Node.PROCESSING_INSTRUCTION_NODE:
console.warn(`nodeType "PROCESSING_INSTRUCTION_NODE" ${XmlToolbox.GetNodeDebugContext(node)} not implemented yet`);
return undefined;
case Node.DOCUMENT_NODE:
throw new Error(`nodeType "Node.DOCUMENT_NODE" ${XmlToolbox.GetNodeDebugContext(node)} not implemented yet`);
case Node.DOCUMENT_TYPE_NODE:
throw new Error(`nodeType "Node.DOCUMENT_NODE" ${XmlToolbox.GetNodeDebugContext(node)} not implemented yet`);
case Node.DOCUMENT_FRAGMENT_NODE:
throw new Error(`nodeType "Node.DOCUMENT_FRAGMENT_NODE" ${XmlToolbox.GetNodeDebugContext(node)} not implemented yet`);
/* Depreached node types */
case Node.ATTRIBUTE_NODE:
throw new Error(`nodeType "Node.ATTRIBUTE_NODE" ${XmlToolbox.GetNodeDebugContext(node)} is depreached`);
case Node.CDATA_SECTION_NODE:
throw new Error(`nodeType "Node.CDATA_SECTION_NODE" ${XmlToolbox.GetNodeDebugContext(node)} is depreached`);
case Node.ENTITY_REFERENCE_NODE:
throw new Error(`nodeType "Node.ENTITY_REFERENCE_NODE" ${XmlToolbox.GetNodeDebugContext(node)} is depreached`);
case Node.ENTITY_NODE:
throw new Error(`nodeType "Node.ENTITY_NODE" ${XmlToolbox.GetNodeDebugContext(node)} is depreached`);
case Node.NOTATION_NODE:
throw new Error(`nodeType "Node.NOTATION_NODE" ${XmlToolbox.GetNodeDebugContext(node)} is depreached`);
default:
// tslint:disable-next-line:max-line-length
throw new Error(`unknown xmlElement nodeType ${node.nodeType} in value: ${XmlToolbox.GetNodeDebugContext(node)}`);
}
}
}
Xml2html.DataTagName = 'data-tagname';
Xml2html.NoClosingTagClassName = 'xmlTagNoClosing';
Xml2html.FloatingTagClassName = 'floating';
Xml2html.CommentTagClassName = 'comment';
if (false) {
/** @type {?} */
Xml2html.DataTagName;
/** @type {?} */
Xml2html.NoClosingTagClassName;
/** @type {?} */
Xml2html.FloatingTagClassName;
/** @type {?} */
Xml2html.CommentTagClassName;
/** @type {?} */
Xml2html.prototype.attributeWorker;
/** @type {?} */
Xml2html.prototype.rules;
}
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{ XmlRules } from '../xml-rules-check/xmlRules.class';\r\nimport { XmlToolbox } from '../xmlToolbox.class';\r\nimport { Xml2htmlAttributeWorker } from './xml2htmlAttributeWorker.class';\r\nimport { XmlRuleElement } from '../xml-rules-check/xmlRuleElement.class';\r\n\r\nexport class Xml2html {\r\n  private static DataTagName = 'data-tagname';\r\n  public static NoClosingTagClassName = 'xmlTagNoClosing';\r\n  public static FloatingTagClassName = 'floating';\r\n  public static CommentTagClassName = 'comment';\r\n\r\n  private attributeWorker: Xml2htmlAttributeWorker;\r\n\r\n  constructor(public rules: XmlRules) {\r\n    this.attributeWorker = new Xml2htmlAttributeWorker(rules);\r\n  }\r\n\r\n  static getTagNameFromNode(node: Node): string {\r\n    const elem = node as Element;\r\n    let name = '';\r\n    if (elem) {\r\n      name = elem.getAttribute(Xml2html.DataTagName);\r\n    }\r\n    if (name === undefined || name === null || name === '') {\r\n      throw new Error(`node has no DataTagName attribute ${XmlToolbox.GetNodeDebugContext(node)}`);\r\n    }\r\n    return name;\r\n  }\r\n\r\n  static isFloatingElement(node: Node): boolean {\r\n    const elem = node as Element;\r\n    if (elem && elem.classList) {\r\n      return elem.classList.contains(Xml2html.FloatingTagClassName);\r\n    }\r\n    return false;\r\n  }\r\n\r\n  static isNoClosingElement(node: Node): boolean {\r\n    const elem = node as Element;\r\n    if (elem && elem.classList) {\r\n      return elem.classList.contains(Xml2html.NoClosingTagClassName);\r\n    }\r\n    return false;\r\n  }\r\n\r\n  public ToHtml(xml: string): string {\r\n    if (xml === '' || xml === undefined || xml === null) {\r\n      return '';\r\n    }\r\n\r\n    // alert(xml);\r\n\r\n    // remove newline / carriage return\r\n    xml = xml.replace(/\\n/g, '');\r\n    xml = xml.replace(/\\r/g, '');\r\n    // remove whitespace (tabs) before tags\r\n    xml = xml.replace(/[\\t]+\\</g, '<');\r\n    // remove whitespace between tags\r\n    xml = xml.replace(/\\>[\\t]+\\</g, '><');\r\n    // remove whitespace after tags\r\n    xml = xml.replace(/\\>[\\t]+$/g, '>');\r\n\r\n    const domparser = new DOMParser();\r\n    const domdoc = domparser.parseFromString(xml, 'text/xml');\r\n\r\n    const targetDocument = new Document();\r\n\r\n    if (domdoc.documentElement === null) {\r\n      return '';\r\n    }\r\n\r\n    const body = this.GetHtmlElementFromXmlElement(domdoc.documentElement, targetDocument);\r\n    if (body && body.nodeType === Node.ELEMENT_NODE) {\r\n      const html = (body as Element).outerHTML;\r\n      return html;\r\n    } else {\r\n      throw new Error(`root node ${XmlToolbox.GetNodeDebugContext(body)} is no element`);\r\n    }\r\n  }\r\n\r\n  createNewElementHtml(ruleElem: XmlRuleElement): string {\r\n    const elem = this.createNewElementByName(ruleElem.tagName);\r\n    return elem.outerHTML;\r\n  }\r\n\r\n  public createNewElementByName(tagName: string): Element {\r\n    const tempDoc = new Document();\r\n    const newElement = tempDoc.createElement('div');\r\n    // floating element or not?\r\n    const rule = this.rules.ruleElements.get(tagName);\r\n    if (rule && rule.floating === true) {\r\n      newElement.classList.add(Xml2html.FloatingTagClassName);\r\n    }\r\n    // visualize closing tag or not?\r\n    if (rule && rule.empty === true) {\r\n      newElement.classList.add(Xml2html.NoClosingTagClassName);\r\n    }\r\n    newElement.setAttribute(Xml2html.DataTagName, tagName);\r\n    return newElement;\r\n  }\r\n\r\n  private GetHtmlElementFromXmlElement(node: Node, targetDocument: Document): Node {\r\n    switch (node.nodeType) {\r\n      case Node.ELEMENT_NODE: // element node\r\n        const asElement = node as Element;\r\n        const nodeName = asElement.nodeName;\r\n\r\n        // create element node\r\n        let newElement = targetDocument.createElement('div');\r\n\r\n        // floating element or not?\r\n        const rule = this.rules.ruleElements.get(nodeName);\r\n        if (rule && rule.floating) {\r\n          newElement.classList.add(Xml2html.FloatingTagClassName);\r\n        }\r\n        // visualize closing tag or not?\r\n        if (rule && rule.empty) {\r\n          newElement.classList.add(Xml2html.NoClosingTagClassName);\r\n        }\r\n        newElement.setAttribute(Xml2html.DataTagName, nodeName);\r\n\r\n        // append child elements recursive\r\n        const children = asElement.childNodes;\r\n        if (children.length === 0) {\r\n          newElement.appendChild(targetDocument.createTextNode('')); // to prevent non closing tags\r\n        } else {\r\n          for (let i = 0; i < children.length; ++i) {\r\n            const childAsHtml = this.GetHtmlElementFromXmlElement(children[i], targetDocument);\r\n            if (childAsHtml !== undefined) {\r\n              newElement.appendChild(childAsHtml);\r\n            }\r\n          }\r\n        }\r\n\r\n        // insert attributes\r\n        this.attributeWorker.writeAllXmlAttributesToHtml(asElement, newElement);\r\n\r\n        return newElement;\r\n\r\n      case Node.TEXT_NODE: // text node\r\n        const content = (node as Element).textContent;\r\n        if (content.length > 0) {\r\n          return targetDocument.createTextNode(content);\r\n        } else {\r\n          return undefined;\r\n        }\r\n\r\n      case Node.COMMENT_NODE:\r\n        // create element node\r\n        newElement = targetDocument.createElement('div');\r\n        newElement.classList.add(Xml2html.CommentTagClassName);\r\n        newElement.setAttribute(Xml2html.DataTagName, 'comment');\r\n        newElement.textContent = (node as Element).textContent;\r\n        return newElement;\r\n\r\n      /* yet not implemented types */\r\n      case Node.PROCESSING_INSTRUCTION_NODE:\r\n        console.warn(`nodeType \"PROCESSING_INSTRUCTION_NODE\" ${XmlToolbox.GetNodeDebugContext(node)} not implemented yet`);\r\n        return undefined;\r\n\r\n      case Node.DOCUMENT_NODE:\r\n        throw new Error(`nodeType \"Node.DOCUMENT_NODE\" ${XmlToolbox.GetNodeDebugContext(node)} not implemented yet`);\r\n      case Node.DOCUMENT_TYPE_NODE:\r\n        throw new Error(`nodeType \"Node.DOCUMENT_NODE\" ${XmlToolbox.GetNodeDebugContext(node)} not implemented yet`);\r\n      case Node.DOCUMENT_FRAGMENT_NODE:\r\n        throw new Error(`nodeType \"Node.DOCUMENT_FRAGMENT_NODE\" ${XmlToolbox.GetNodeDebugContext(node)} not implemented yet`);\r\n\r\n      /* Depreached node types */\r\n      case Node.ATTRIBUTE_NODE:\r\n        throw new Error(`nodeType \"Node.ATTRIBUTE_NODE\" ${XmlToolbox.GetNodeDebugContext(node)} is depreached`);\r\n      case Node.CDATA_SECTION_NODE:\r\n        throw new Error(`nodeType \"Node.CDATA_SECTION_NODE\" ${XmlToolbox.GetNodeDebugContext(node)} is depreached`);\r\n      case Node.ENTITY_REFERENCE_NODE:\r\n        throw new Error(`nodeType \"Node.ENTITY_REFERENCE_NODE\" ${XmlToolbox.GetNodeDebugContext(node)} is depreached`);\r\n      case Node.ENTITY_NODE:\r\n        throw new Error(`nodeType \"Node.ENTITY_NODE\" ${XmlToolbox.GetNodeDebugContext(node)} is depreached`);\r\n      case Node.NOTATION_NODE:\r\n        throw new Error(`nodeType \"Node.NOTATION_NODE\" ${XmlToolbox.GetNodeDebugContext(node)} is depreached`);\r\n\r\n      default:\r\n        // tslint:disable-next-line:max-line-length\r\n        throw new Error(`unknown xmlElement nodeType ${node.nodeType} in value: ${XmlToolbox.GetNodeDebugContext(node)}`);\r\n    }\r\n  }\r\n}\r\n"]}