blob: 67d5deec04acbb860374ce3cc60a036b2836a152 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#include "pugixml.hpp"
#include <iostream>
int main()
{
//[code_load_memory_decl
const char source[] = "<mesh name='sphere'><bounds>0 0 1 1</bounds></mesh>";
size_t size = sizeof(source);
//]
pugi::xml_document doc;
{
//[code_load_memory_buffer
// You can use load_buffer to load document from immutable memory block:
pugi::xml_parse_result result = doc.load_buffer(source, size);
//]
std::cout << "Load result: " << result.description() << ", mesh name: " << doc.child("mesh").attribute("name").value() << std::endl;
}
{
//[code_load_memory_buffer_inplace
// 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);
//<-
std::cout << "Load result: " << result.description() << ", mesh name: " << doc.child("mesh").attribute("name").value() << std::endl;
//->
// You have to destroy the block yourself after the document is no longer used
delete[] buffer;
//]
}
{
//[code_load_memory_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);
//]
std::cout << "Load result: " << result.description() << ", mesh name: " << doc.child("mesh").attribute("name").value() << std::endl;
}
{
//[code_load_memory_string
// You can use load to load document from null-terminated strings, for example literals:
pugi::xml_parse_result result = doc.load("<mesh name='sphere'><bounds>0 0 1 1</bounds></mesh>");
//]
std::cout << "Load result: " << result.description() << ", mesh name: " << doc.child("mesh").attribute("name").value() << std::endl;
}
}
// vim:et
|
