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#include "pugixml.hpp"
#include <iostream>
#include <cstring>
int main()
{
// tag::decl[]
const char source[] = "<mesh name='sphere'><bounds>0 0 1 1</bounds></mesh>";
size_t size = sizeof(source);
// end::decl[]
pugi::xml_document doc;
{
// tag::load_buffer[]
// You can use load_buffer to load document from immutable memory block:
pugi::xml_parse_result result = doc.load_buffer(source, size);
// end::load_buffer[]
std::cout << "Load result: " << result.description() << ", mesh name: " << doc.child("mesh").attribute("name").value() << std::endl;
}
{
// tag::load_buffer_inplace_begin[]
// You can use load_buffer_inplace to load document from mutable memory block; the block's lifetime must exceed that of document
char* buffer = new char[size];
memcpy(buffer, source, size);
// The block can be allocated by any method; the block is modified during parsing
pugi::xml_parse_result result = doc.load_buffer_inplace(buffer, size);
// end::load_buffer_inplace_begin[]
std::cout << "Load result: " << result.description() << ", mesh name: " << doc.child("mesh").attribute("name").value() << std::endl;
// tag::load_buffer_inplace_end[]
// You have to destroy the block yourself after the document is no longer used
delete[] buffer;
// end::load_buffer_inplace_end[]
}
{
// tag::load_buffer_inplace_own[]
// You can use load_buffer_inplace_own to load document from mutable memory block and to pass the ownership of this block
// The block has to be allocated via pugixml allocation function - using i.e. operator new here is incorrect
char* buffer = static_cast<char*>(pugi::get_memory_allocation_function()(size));
memcpy(buffer, source, size);
// The block will be deleted by the document
pugi::xml_parse_result result = doc.load_buffer_inplace_own(buffer, size);
// end::load_buffer_inplace_own[]
std::cout << "Load result: " << result.description() << ", mesh name: " << doc.child("mesh").attribute("name").value() << std::endl;
}
{
// tag::load_string[]
// You can use load to load document from null-terminated strings, for example literals:
pugi::xml_parse_result result = doc.load_string("<mesh name='sphere'><bounds>0 0 1 1</bounds></mesh>");
// end::load_string[]
std::cout << "Load result: " << result.description() << ", mesh name: " << doc.child("mesh").attribute("name").value() << std::endl;
}
}
// vim:et
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