woltlab-compiler
Version:
A compiler for WoltLab-Package Archives and WoltLab-Package Components
87 lines • 3.22 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const xmldom_1 = require("xmldom");
/**
* Provides utilities for the xml-serialization.
*/
class XML {
/**
* Creates a new xml-document.
*
* @param tagName
* The name of the tag of the `documentElement`.
*/
static CreateDocument(tagName) {
let result = new xmldom_1.DOMParser().parseFromString(`<${tagName} />`);
result.insertBefore(result.createProcessingInstruction("xml", 'version="1.0" encoding="UTF-8"'), result.documentElement);
return result;
}
/**
* Formats xml-code.
*
* @param xml
* The xml-code to format.
*
* @returns
* Formatted xml-code.
*/
static Format(xml) {
let document = new xmldom_1.DOMParser().parseFromString(xml);
let children = [];
for (let i = 0; i < document.childNodes.length; i++) {
children.push(document.childNodes.item(i));
}
if (children.length > 0) {
for (let child of children) {
if (child !== document.firstChild) {
document.insertBefore(document.createTextNode("\n"), child);
}
}
}
this.FormatElement(document.documentElement);
return new xmldom_1.XMLSerializer().serializeToString(document);
}
/**
* Formats an element.
*
* @param element
* The element to format.
*
* @param indent
* The indentation of the element itself.
*/
static FormatElement(element, indent = "") {
let innerIndent = `${" ".repeat(4)}${indent}`;
if (element.childNodes.length > 0) {
let children = [];
for (let i = 0; i < element.childNodes.length; i++) {
children.push(element.childNodes.item(i));
}
for (let child of children) {
switch (child.nodeType) {
case element.ELEMENT_NODE:
case element.PROCESSING_INSTRUCTION_NODE:
case element.COMMENT_NODE:
case element.DOCUMENT_NODE:
case element.DOCUMENT_TYPE_NODE:
element.insertBefore(element.ownerDocument.createTextNode(`\n${innerIndent}`), child);
if (child.nodeType === element.ELEMENT_NODE) {
this.FormatElement(child, `${innerIndent}`);
}
break;
case element.TEXT_NODE:
if ((children.length > 1) && child.textContent.trim().length === 0) {
element.removeChild(child);
}
}
}
if (children.length > 0 &&
element.lastChild.nodeType !== element.CDATA_SECTION_NODE &&
element.lastChild.nodeType !== element.TEXT_NODE) {
element.appendChild(element.ownerDocument.createTextNode(`\n${indent}`));
}
}
}
}
exports.XML = XML;
//# sourceMappingURL=XML.js.map