Sources/Toolkits/Core/String/CFUString.mm
/* |
File: CFUString.mm |
Abstract: |
Utility toolkit for converting CF strings to STL strings or c-strings. |
Version: 1.2 |
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*/ |
#pragma mark - |
#pragma mark Headers |
// STL streams |
#import <string> |
// OpenGL string utilities |
#import "CFString.h" |
#pragma mark - |
#pragma mark Public - Utilities |
// Create a c-string from a CF string opaque reference |
GLchar *CF::StringCreateBufferCopy(CFStringRef pString) |
{ |
GLchar *pBuffer = nullptr; |
if(pString != nullptr) |
{ |
size_t nLength = CFStringGetLength(pString); |
if(nLength) |
{ |
static const size_t kSizeUniChar = sizeof(UniChar); |
// Even though we're requesting a c-string, the |
// buffer length must be equal to the length of |
// a UniChar buffer. |
size_t nSize = nLength * kSizeUniChar; |
try |
{ |
pBuffer = new char[nSize]; |
CFStringGetCString(pString, |
pBuffer, |
nSize, |
kCFStringEncodingUTF8); |
} // try |
catch(std::bad_alloc& ba) |
{ |
NSLog(@">> ERROR: CF String Create Buffer Copy - Failed allocating a buffer for copy: \"%s\"", ba.what()); |
} // catch |
} // if |
else |
{ |
NSLog(@">> ERROR: CF String Create Buffer Copy - CF String reference is zero length!"); |
} // else |
} // if |
return(pBuffer); |
} // CFStringCreateBufferCopy |
// Create a STL string from a CF string opaque reference |
std::string CF::StringCreateCStringCopy(CFStringRef pString) |
{ |
std::string buffer = ""; |
char *pBuffer = CF::StringCreateBufferCopy(pString); |
if(pBuffer != nullptr) |
{ |
buffer = pBuffer; |
delete [] pBuffer; |
} // if |
else |
{ |
NSLog(@">> ERROR: CF String Create String Copy - Failed allocating a buffer for string reference conversion!"); |
} // else |
return(buffer); |
} // CFStringCreateStringCopy |
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