Untitled

class SimpleXMLParser {
    parse(xml: string): any {
        // Remove XML declaration
        xml = xml.replace(/<\?xml.*?\?>/, '').trim();
        return this.parseNode(xml);
    }

    private parseNode(xml: string): any {
        const obj: any = {};
        let tagName = this.getTagName(xml);
        let content = this.getTagContent(xml, tagName);
        console.log(tagName, content)

        // Process inner tags recursively
        while (content.includes('<')) {
            const innerTag = this.getTagName(content);
            const innerContent = this.getTagContent(content, innerTag);

            if (!obj[innerTag]) {
                obj[innerTag] = [];
            }

            obj[innerTag].push(this.parseNode(`<${innerTag}>${innerContent}</${innerTag}>`));

            content = content.replace(`<${innerTag}>${innerContent}</${innerTag}>`, '').trim();
        }

        if (!content.includes('<')) {
            obj['_text'] = content;
        }

        return obj;
    }

    private getTagName(xml: string): string {
        const match = xml.match(/^<([\w-]+)>/);
        return match ? match[1] : '';
    }

    private getTagContent(xml: string, tagName: string): string {
        const regex = new RegExp(`<${tagName}>(.*?)</${tagName}>`, 's');
        const match = xml.match(regex);
        return match ? match[1].trim() : '';
    }
}

// Example usage
const xmlString = `
<note>
    <to>Tove</to>
    <from>Jani</from>
    <heading>Reminder</heading>
    <body>Don't forget me this weekend!</body>
</note>
`;

const parser = new SimpleXMLParser();
const result = parser.parse(xmlString);
//console.log(result);
Editor is loading...