XML Canonicalization: as an option, allow parsing eol's into the document model (as PCDATA holding those) about pugixml HOT 2 CLOSED

#include "pugixml.hpp"

#include <stdio.h>

void display(pugi::xml_node node, int depth = 0)
{
        for (int i = 0; i < depth; ++i)
                printf(".");

        if (node.type() == pugi::node_element)
        {
                printf("element %s", node.name());
        }
        else if (node.type() == pugi::node_pcdata)
        {
                printf("pcdata ");

                for (const char* str = node.value(); *str; ++str)
                        printf("0x%02X ", (unsigned char)*str);
        }

        printf("\n");

        for (pugi::xml_node child : node.children())
                display(child, depth + 1);
}

int main()
{
        const char* xml = R"(
<doc>
<sub>
text
</sub>
</doc>
)";

        pugi::xml_document doc;
        pugi::xml_parse_result res = doc.load_string(xml, pugi::parse_default | pugi::parse_ws_pcdata);

        printf("%s\n", res.description());
        display(doc);
}