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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
#pragma once
namespace nall {
struct string_pascal {
using type = string_pascal;
string_pascal(const char* text = nullptr) {
if(text && *text) {
u32 size = strlen(text);
_data = memory::allocate<char>(sizeof(u32) + size + 1);
((u32*)_data)[0] = size;
memory::copy(_data + sizeof(u32), text, size);
_data[sizeof(u32) + size] = 0;
}
}
string_pascal(const string& text) {
if(text.size()) {
_data = memory::allocate<char>(sizeof(u32) + text.size() + 1);
((u32*)_data)[0] = text.size();
memory::copy(_data + sizeof(u32), text.data(), text.size());
_data[sizeof(u32) + text.size()] = 0;
}
}
string_pascal(const string_pascal& source) { operator=(source); }
string_pascal(string_pascal&& source) { operator=(move(source)); }
~string_pascal() {
if(_data) memory::free(_data);
}
explicit operator bool() const { return _data; }
operator const char*() const { return _data ? _data + sizeof(u32) : nullptr; }
operator string() const { return _data ? string{_data + sizeof(u32)} : ""; }
auto operator=(const string_pascal& source) -> type& {
if(this == &source) return *this;
if(_data) { memory::free(_data); _data = nullptr; }
if(source._data) {
u32 size = source.size();
_data = memory::allocate<char>(sizeof(u32) + size);
memory::copy(_data, source._data, sizeof(u32) + size);
}
return *this;
}
auto operator=(string_pascal&& source) -> type& {
if(this == &source) return *this;
if(_data) memory::free(_data);
_data = source._data;
source._data = nullptr;
return *this;
}
auto operator==(string_view source) const -> bool {
return size() == source.size() && memory::compare(data(), source.data(), size()) == 0;
}
auto operator!=(string_view source) const -> bool {
return size() != source.size() || memory::compare(data(), source.data(), size()) != 0;
}
auto data() const -> char* {
if(!_data) return nullptr;
return _data + sizeof(u32);
}
auto size() const -> u32 {
if(!_data) return 0;
return ((u32*)_data)[0];
}
protected:
char* _data = nullptr;
};
}
|
