Apple's suite of functions in CoreFoundation for string-handling. Toll-free bridged with NSString
Questions tagged [cfstring]
107 questions
178
votes
8 answers
How to convert CFStringRef to NSString?
NSString *aNSString;
CFStringRef aCFString;
aCFString = CFStringCreateWithCString(NULL, [aNSString UTF8String], NSUTF8StringEncoding);
aCFString = CFXMLCreateStringByUnescapingEntities(NULL, aCFString, NULL);
How can I get a new NSString from…
papr
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44
votes
5 answers
How to convert a swift String to CFString
How can i create a CFString from a native swift String or NSString in swift
let path:String = NSBundle.mainBundle().pathForResource(name.stringByDeletingPathExtension, ofType:"pdf")
let string:CFString = ??? path
let url:CFURLRef =…
loopmasta
- 1,693
- 3
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11
votes
4 answers
Convert from CFURLRef or CFStringRef to std::string
How can I convert a CFURLRef to a C++ std::string?
I also can convert from the CFURLRef to a CFStringRef by:
CFStringRef CFURLGetString ( CFURLRef anURL );
But now I have the same problem. How can I convert the CFStringRef to a std::string?
3ef9g
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9
votes
2 answers
How to get an array of sentences using CFStringTokenizer?
I've created an string tokenizer like this:
stringTokenizer = CFStringTokenizerCreate(
NULL
, (CFStringRef)str
, CFRangeMake(0, [str length])
,…
openfrog
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9
votes
1 answer
[CFString release]: message sent to deallocated instance
I've been struggling with a strange problem for two days now. I went through every related question on SO but none solved the issue. I'm working on Xcode5. I'm using ARC and CoreData.
On iOS7 (simulator):
`[CFString release]: message sent to…
Francesco
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- 5
- 11
8
votes
2 answers
How do I print a CFStringRef in a DTrace action?
I have a DTrace probe catching calls to a function, and one of the function's arguments is a CFStringRef. This is private structure that holds a pointer to a unicode string. But the CFStringRef is not itself a char*, so normal DTrace methods like…
TALlama
- 16,017
- 8
- 38
- 47
7
votes
2 answers
How to convert NSString path to CFURLRef (for iOS 3.1)?
I display a PDF in a UIScrollView. To do so I use:
myDocumentRef = CGPDFDocumentCreateWithURL((CFURLRef)[[NSBundle mainBundle] URLForResource:@"salonMap" withExtension:@"pdf"]);
Now, I try to make it work on an IOS 3.1 (NSBundle…
kheraud
- 5,048
- 7
- 46
- 75
5
votes
2 answers
Convert a CFStringRef to a C string?
Hello lovely computer people:
I would like to convert the following CFStringRef into a CString. Any idea how?
recordFilePath = (CFStringRef)[NSTemporaryDirectory() stringByAppendingPathComponent: @"recordedFile.wav"];
Thanks!
EDIT 1
DarkDust…
Eric Brotto
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5
votes
1 answer
Cannot assign a value of type '[CFString]' to a value of type '[String]'
I just downloaded the new Xcode 7 beta 5 and I cannot find a way to resolve this error. It keeps highlighting the line "pickker.mediaTypes = [kUTTypeImage]" and says "Cannot assign a value of type '[CFString]' to a value of type '[String]'"
if…
Matthew Smith
- 51
- 2
5
votes
2 answers
How to convert Unmanaged to NSString?
My application is dealing with contacts data.
The phone label is retrieved as following
let locPhoneLabel : NSString = (ABMultiValueCopyLabelAtIndex(phones, numberIndex) != nil) ? ABMultiValueCopyLabelAtIndex(phones,…
Colateral
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4
votes
2 answers
CFString objects being declared by [NSBundle mainBundle]
I am working on performance improvement of my ios cocos2d game. I was checking memory allocations of the app with the help of Instruments tool when I noticed one thing. There are too many CFString objects being declared and held by [NSBundle…
Aqueel
- 1,246
- 3
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4
votes
1 answer
I want to pass a variable in CFSTR?
In following coding, i want to pass variable via CFSTR, how can I ?
ABMutableMultiValueRef address = ABMultiValueCreateMutable(kABDictionaryPropertyType);
// Set up keys and values for the dictionary.
CFStringRef keys[5];
CFStringRef…
Chatar Veer Suthar
- 15,541
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4
votes
2 answers
CFDictionaryGetValue can't invoke with CFStringRef
I am trying to implement the CFDictionaryGetValue() as shown in this appledoc listing 3:
server = CFDictionaryGetValue(credentialDict, kSecAttrServer);
userName = CFDictionaryGetValue(credentialDict, kSecAttrAccount);
password =…
tnek316
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- 1
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4
votes
2 answers
How to create a CFDictionary in an OS X target?
According to documentation CFDictionaryCreate is used to instantiate CFDictionary in swift.
func CFDictionaryCreate(_ allocator: CFAllocator!,
_ keys: UnsafeMutablePointer>,
_ values:…
PovilasB
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- 1
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- 25
4
votes
0 answers
How to get format name from AVCaptureDeviceFormat in swift?
Here my code in objective-c
for (AVCaptureDeviceFormat *format in [device formats]) {
CFStringRef formatName = CMFormatDescriptionGetExtension([format formatDescription], kCMFormatDescriptionExtension_FormatName);
}
I need this code in…
iosLearner
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