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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
// **************************************************************************
#ifndef ZSTRING_H_INCLUDED
#define ZSTRING_H_INCLUDED
#include "string_base.h"
#ifdef ZEN_LINUX
#include <cstring> //strcmp
#endif
#ifndef NDEBUG
namespace z_impl
{
void leakCheckerInsert(const void* ptr, size_t size);
void leakCheckerRemove(const void* ptr);
}
#endif //NDEBUG
class AllocatorFreeStoreChecked
{
public:
static void* allocate(size_t size) //throw std::bad_alloc
{
void* ptr = zen::AllocatorOptimalSpeed::allocate(size);
#ifndef NDEBUG
z_impl::leakCheckerInsert(ptr, size); //test Zbase for memory leaks
#endif
return ptr;
}
static void deallocate(void* ptr)
{
#ifndef NDEBUG
z_impl::leakCheckerRemove(ptr); //check for memory leaks
#endif
zen::AllocatorOptimalSpeed::deallocate(ptr);
}
static size_t calcCapacity(size_t length) { return zen::AllocatorOptimalSpeed::calcCapacity(length); }
};
//############################## helper functions #############################################
#ifdef ZEN_WIN //Windows encodes Unicode as UTF-16 wchar_t
typedef wchar_t Zchar;
#define Zstr(x) L ## x
const Zchar FILE_NAME_SEPARATOR = L'\\';
#elif defined ZEN_LINUX || defined ZEN_MAC //Linux uses UTF-8
typedef char Zchar;
#define Zstr(x) x
const Zchar FILE_NAME_SEPARATOR = '/';
#endif
//"The reason for all the fuss above" - Loki/SmartPtr
//a high-performance string for interfacing with native OS APIs and multithreaded contexts
typedef zen::Zbase<Zchar, zen::StorageRefCountThreadSafe, AllocatorFreeStoreChecked> Zstring;
//Compare filepaths: Windows does NOT distinguish between upper/lower-case, while Linux DOES
template <template <class, class> class SP, class AP>
int cmpFileName(const zen::Zbase<Zchar, SP, AP>& lhs, const zen::Zbase<Zchar, SP, AP>& rhs);
struct LessFilename //case-insensitive on Windows, case-sensitive on Linux
{
template <template <class, class> class SP, class AP>
bool operator()(const zen::Zbase<Zchar, SP, AP>& lhs, const zen::Zbase<Zchar, SP, AP>& rhs) const { return cmpFileName(lhs, rhs) < 0; }
};
struct EqualFilename //case-insensitive on Windows, case-sensitive on Linux
{
template <template <class, class> class SP, class AP>
bool operator()(const zen::Zbase<Zchar, SP, AP>& lhs, const zen::Zbase<Zchar, SP, AP>& rhs) const { return cmpFileName(lhs, rhs) == 0; }
};
#if defined ZEN_WIN || defined ZEN_MAC
template <template <class, class> class SP, class AP>
void makeUpper(zen::Zbase<Zchar, SP, AP>& str);
#endif
inline
Zstring appendSeparator(Zstring path) //support rvalue references!
{
return endsWith(path, FILE_NAME_SEPARATOR) ? path : (path += FILE_NAME_SEPARATOR);
}
//################################# inline implementation ########################################
namespace z_impl
{
#if defined ZEN_WIN || defined ZEN_MAC
int compareFilenamesNoCase(const Zchar* lhs, const Zchar* rhs, size_t sizeLhs, size_t sizeRhs);
void makeFilenameUpperCase(Zchar* str, size_t size);
#endif
}
template <template <class, class> class SP, class AP> inline
int cmpFileName(const zen::Zbase<Zchar, SP, AP>& lhs, const zen::Zbase<Zchar, SP, AP>& rhs)
{
#if defined ZEN_WIN || defined ZEN_MAC
return z_impl::compareFilenamesNoCase(lhs.data(), rhs.data(), lhs.length(), rhs.length());
#elif defined ZEN_LINUX
return std::strcmp(lhs.c_str(), rhs.c_str()); //POSIX filepaths don't have embedded 0
//#elif defined ZEN_MAC
// return ::strcasecmp(lhs.c_str(), rhs.c_str()); //locale-dependent!
#endif
}
#if defined ZEN_WIN || defined ZEN_MAC
template <template <class, class> class SP, class AP> inline
void makeUpper(zen::Zbase<Zchar, SP, AP>& str)
{
z_impl::makeFilenameUpperCase(str.begin(), str.length());
}
#endif
namespace std
{
template<> inline
void swap(Zstring& rhs, Zstring& lhs)
{
rhs.swap(lhs);
}
}
#endif //ZSTRING_H_INCLUDED
|
