Gbk contribute to jiongxingnsstringconvertencoding development by creating an account on github. Objectivec library to encodedecode a json web token ducreynaobjectivecjwtsimple. Feb 03, 2011 the greenhilited statement might be wrong. Hey, im trying to make a few of my classes nscoding compliant and i am having trouble encoding arrays with. But thankfully theres a lowerlevel api we can use which, thanks to the magic of objectivec categories, we can tack on to nsstring. In files where you want to use base32 encoding decoding, simply include the header file and use one of the provided nsdata or nsstring additions. Simple categories for nsdata and nsstring to support encoding them as ascii85. How to convert a nsstring to utf8 format string in iphone sdk. Adding a base64 decoding category to nsstring base64 is a common encoding used by many third party services to convert binary data to ascii for safe transport over the internet.
It is well known that objective c does have a little overhead when compared to c language that it extends because of the smalltalk style messaging that goes on behind the scenes. Aug 31, 2010 it encodes the spaces as %20, which is just as acceptable as encoding them as a plus. Nsstring stringbyreplacingpercentescapesusingencoding. Returns a string created by using a given format string as a template into which the remaining argument values are substituted according to the current locale. Adding a hex encoding category to nsdata in this recipe, we will add a hex encoding method to the nsdata class by creating a category on the nsdata class. Json accelerator macapplication for convert json to daramodel for objective c.
I am new to objectivec and try to convert a malformed utf8 encoded nsstring to a wellformed one using the example on apples docs. In short, its completely broken, which is frustrating. Encoding and decoding a string using nsdata base64. Any other encoding should be specified in the data itself. An nsstring object encodes a unicodecompliant text string, represented as a sequence of utf16 code units. Browse other questions tagged objective c xcode iphonesdk3. Jul 20, 2018 from article ios nsurlsession tutorial you have learnt how to create nsurlsession and related tasks to implement related network task such as send request, download file, upload file etc. Therefore, you should copy the c string if it needs to be stored outside of the memory context in which you use this property.
Returns nil if the initialization fails for some reason for example if data does not represent valid data for encoding. Objective c library to encodedecode a json web token ducreyna objective c jwtsimple. By continuing to use pastebin, you agree to our use of cookies as described in the cookies policy. Initializes the receiver, a newly allocated nsstring object, by converting the data in a given c string from the default c string encoding into the unicode character encoding.
Basic objective c class objects such as nsstring, nsarray, nsdictionary, nsset, nsdate, nsnumber, and nsdata can be archived and restored in the manner just described. Im trying to convert some special characters like a,o,u. Nonlossyascii is not one of the canonical encodings, so converting the bytes to a string under the assumption there are no invalid nonlossyascii chars might be wrong. Text comes down to the wire as an nsdata instance in which the wire could be a network condition or a file io action.
Convert dic to string for get api with nsdictionary. Additional encodings are defined in string programming guide for core foundation see cfstring encoding ext. Objectivec parse json string to object memory lack. Objectivec parse json string to object json is a data structure like an xml, but json file size in most situation is small than an xml file. Getting selection from cocoa and objectivec cookbook book.
Encoding conversion options specifies an external representation with a byteorder mark, if necessary, to indicate endianness. In files where you want to use base64 encoding decoding, simply include the header file and use one of the provided nsdata or nsstring additions. Here is the code i have written to convert the above. How to convert a nsstring to utf in the quoted printable form using ios sdk. Sending a post request with arguments using nsurlsession in objectivec.
Browse other questions tagged ios objective c swift ios7 ios8 or ask your own. The returned object may be different from the original receiver. Either you go with reloadcell technique or cell updates via beginupdate and endupdate. May 04, 2017 bridging beetween swift and objective c.
This c string is a pointer to a structure inside the string object, which may have a lifetime shorter than the string object and will certainly not have a longer lifetime. Special considerations only 8bit encodings are supported, as encodings that have a greater width, such as utf16, may include a null byte in a single unit, which would result in the premature termination of the c string. Objectivec language encoding and decoding a string using. These categories adopt the rfc 1924 ascii85 character set. All lengths, character indexes, and ranges are expressed in terms of 16bit platformendian values, with index values starting at 0 an nsstring object can be initialized from or written to a c buffer, an nsdata object, or the contents of an nsurl. Hit api and get responce and convert response in datamodel. In this post well measure the performance of the nsstring stringwithformat. Dec 11, 2017 base32 additions for objective c on mac os x and ios usage. Objective c library to encodedecode a json web token ducreyna objectivecjwtsimple. That includes nested objects as well, such as an array containing a string or even other array objects. Objectivec how can i convert byte array to nsstring. Nsstringencoding foundation apple developer documentation. An nsstring object can be initialized from or written to a c buffer, an nsdata object, or the contents of an nsurl. The cfstring encoding value is written as an ascii string containing an unsigned 32bit decimal integer and is not terminated by a null character.