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
|
// **************************************************************************
// * 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 OSX_STRING_1873641732143214324
#define OSX_STRING_1873641732143214324
#include <CoreFoundation/CoreFoundation.h> //CFString
#include "zstring.h"
namespace osx
{
Zstring cfStringToZstring(const CFStringRef& cfStr);
CFStringRef createCFString (const char* utf8Str); //returns nullptr on error
CFMutableStringRef createMutableCFString(const char* utf8Str); //pass ownership! => ZEN_ON_SCOPE_EXIT(::CFRelease(utf8Str));
//################# implementation #####################
inline
Zstring cfStringToZstring(const CFStringRef& cfStr)
{
if (cfStr)
{
//perf: try to get away cheap:
if (const char* utf8Str = ::CFStringGetCStringPtr(cfStr, kCFStringEncodingUTF8))
return utf8Str;
CFIndex length = ::CFStringGetLength(cfStr);
if (length > 0)
{
CFIndex bufferSize = ::CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8);
Zstring buffer;
buffer.resize(bufferSize);
if (::CFStringGetCString(cfStr, &*buffer.begin(), bufferSize, kCFStringEncodingUTF8))
{
buffer.resize(zen::strLength(&*buffer.begin())); //caveat: memory consumption of returned string!
return buffer;
}
}
}
return Zstring();
}
inline
CFStringRef createCFString(const char* utf8Str)
{
//don't bother with CFStringCreateWithBytes: it's slightly slower, despite passing length info
return ::CFStringCreateWithCString(nullptr, //CFAllocatorRef alloc,
utf8Str, //const char *cStr,
kCFStringEncodingUTF8); //CFStringEncoding encoding
}
inline
CFMutableStringRef createMutableCFString(const char* utf8Str)
{
if (CFMutableStringRef strRef = ::CFStringCreateMutable(NULL, 0))
{
::CFStringAppendCString(strRef, utf8Str, kCFStringEncodingUTF8);
return strRef;
}
return nullptr;
}
}
#endif //OSX_STRING_1873641732143214324
|
