libxml_wrapper.h File Reference

Wrapper for managing XML documents and elements using libxml2. More...

#include <iostream>
#include <libxml/parser.h>
#include <memory>
#include <span>
#include <stdexcept>
#include <string>
#include <string_view>
#include "core/logging.h"
#include "libxml/globals.h"
#include "libxml/xmlstring.h"

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Classes
class	XmlException
	Exception class for handling XML-related errors. More...
class	XmlElement
	Class representing a node in an XML document. More...
class	XmlDocument
	Class for managing XML documents. More...

Functions
void	mergeXmlDocuments (const XmlDocument &mainDoc, const XmlDocument &includedDoc)
	Merge two XML documents.
void	removeIncludeElements (const XmlDocument &doc)
	Remove "include" elements from the XML document.

Detailed Description

Wrapper for managing XML documents and elements using libxml2.

This header file provides classes and functions to simplify handling XML documents and elements using the libxml2 library. It includes basic functionality for manipulating XML nodes, attributes, content, and validation using DTD and XSD schemas.

Definition in file libxml_wrapper.h.

Function Documentation

mergeXmlDocuments()

void mergeXmlDocuments	(	const XmlDocument &	mainDoc,
		const XmlDocument &	includedDoc
	)

Merge two XML documents.

Parameters

mainDoc	The main XML document.
includedDoc	The XML document to include.

Definition at line 83 of file libxml_wrapper.cpp.

{
    const XmlElement main_root = mainDoc.getRootElement();
    const XmlElement included_root = includedDoc.getRootElement();
 
    for (xmlNodePtr child = included_root.getNode()->children; child; child = child->next)
    {
        if (child->type == XML_ELEMENT_NODE)
        {
            xmlNodePtr new_node = xmlCopyNode(child, 1);
            xmlAddChild(main_root.getNode(), new_node);
        }
    }
}

References XmlElement::getNode(), and XmlDocument::getRootElement().

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removeIncludeElements()

void removeIncludeElements

(

const XmlDocument &

doc

)

Remove "include" elements from the XML document.

Parameters

doc	The XML document from which to remove the "include" elements.

Definition at line 98 of file libxml_wrapper.cpp.

{
    const XmlElement root = doc.getRootElement();
 
    while (true)
    {
        if (XmlElement include_element = root.childElement("include", 0); include_element.isValid())
        {
            xmlUnlinkNode(include_element.getNode());
            xmlFreeNode(include_element.getNode());
        }
        else
        {
            break;
        }
    }
}

References XmlElement::childElement(), and XmlDocument::getRootElement().

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