Xcode source automatic formatting

Question

As a C  developer  I have become highly dependent on the automatic formatting in Visual Studio 2008   Specifically  I will use the CTRL   K   D keyboard shortcut to force things back into shape after my sloppy implementation    I am now trying to learn Objective-C and am missing certain features in Xcode  but probably none are quite as painful as the formatting shortcut   My Google searches have yielded nothing built in  though it seems there are some hacks   Am I missing something or does this feature not exist natively in Xcode

User · Answer

Swift - https   github com nicklockwood SwiftFormat  It provides Xcode Extension as well as CLI option

User · Answer

Well I was searching for an easy way  And find out on medium   First to copy the json text and validate it on jsonlint or something similar  Then to copy from jsonlint  already the json is formatted  And paste the code on Xcode with preserving the format  shortcut shift   option   command   v

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You can also have a look at https   github com octo-online Xcode-formatter which is a formatter based on Uncrustify and integrated into Xcode  Works like a charm

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I suggest using ClangFormat  In order to install  please follow these steps    Install Alcatraz package manager for XCode Supports Xcode 5   amp  OS X 10 9  After installation restart XCode  Open XCode -  Window Menu -  Package Manager Search  find  ClangFormat  and install it  After installation again restart XCode  Now at XCode menu you can use Edit -  Clang Format submenu for formatting    You can choose different types of formatting  Also by enabling Format On Save you can gain auto-format capability

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I d like to recommend two options worth considering  Both quite new and evolving   ClangFormat-Xcode  free  - on each cmd s file is reformatted to specific style and saved  easy to deploy within team     An Xcode plug-in to format your code using Clang s format tools  by    travisjeffery       With clang-format you can use Clang to format your code to styles such   as LLVM  Google  Chromium  Mozilla  WebKit  or your own configuration    Objective-Clean  paid  didn t try it yet  - app raising build errors if predefined style rules are violated - possibly quite hard to use within the team  so I didn t try it out      With very minimal setup  you can get Xcode to use our App to enforce   your rules  If you are ever caught violating one of your rules  Xcode   will throw a build error and take you right to the offending line

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My personal fav PrettyC wantabe is uncrustify  http   uncrustify sourceforge net   It s got a few billion options however so I also suggest you download UniversalIndentGUI macx   also on sourceforge  a GUI someone wrote to help set the options the way you like them   You can then add this custom user script to uncrustify the selected text       bin sh     uncrustify  echo -n      PBXSelection       usr local bin uncrustify -q -c  usr local share uncrustify geo uncrustify cfg -l oc   lt  amp 0 echo -n      PBXSelection

User · Answer

You can use Command   A to select all content and next Ctrl   I to format the selected content

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First  Examine XCode Preferences  Indentation  section  You can customize things quite a bit there     For more fine grained control  refer to the XCode User Defaults document from apple   May require a developer login to view    For example  I was able to disable the  indent on paste  by entering the following in terminal   defaults write com apple XCODE PBXIndentOnPaste No   to read back your setting   defaults read com apple XCODE PBXIndentOnPaste

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If your Xcode version 3 x   you should use  User Script  With Uncrustify   here this a Example      bin sh  echo -n      PBXSelection       YOURPATH TO UNCRUSTIFY uncrustify -q -c  YOURPATH TO UNCRUSTIFY CONFIG CodeFormatConfig cfg -l OC  echo -n      PBXSelection        add above to your Xcode  User Script    if Xcode version 4 x   I think you should read this blog   Code Formatting in Xcode 4   In this way   used the  Apple Services    but it s not good enough   cause too slow experience  does anyone has the same thing     why apple drop  user script       xD

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Unfortunately  Xcode doesn t have anything nearly as extensive as VS or Jalopy for Eclipse available  There are SOME disparate features  such as Structure  gt  Re-Indent as well as the auto-formatting used when you paste code into your source file  I am totally with you  though  there definitely should be something in there to help with formatting issues

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I also feel xcode should have this function  So I made an extension to do it  Swimat  Simple install by brew cask install swimat   You can give it a try  see https   github com Jintin Swimat for more information

User · Answer

Cmd A   Ctrl I  Or Cmd A And then Right Click  Goto Structure -  Re-Indent

User · Answer

In xcode  you can use this shortcut to Re-indent your source code Go to file  which has indent issues  and follow this    Cmd   A to select all source codes  Ctrl   I to re-indent   Hope this helps

User · Answer

CTRL   i  that s it    no COMMAND   i

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This only works for languages with are not whitespace delineated  but my solution is to remove all whitespace except for spaces  then add a newline after characters that usually delineate EOL  e g  replace     with    n   then do the ubiquitous   i solution    I use Python    Example code  just replace the filenames   python -c  import re  open outfile  w   write re sub    t n r      open infile  read    replace        n   replace        n   replace        n       It  s not perfect  Example  for loops   but I like it

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That s Ctrl   i   Or for low-tech  cut and then paste   It ll reformat on paste

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Consider buying yourself a license for AppCode  an intelligent Objective-C IDE that helps iOS OS X developers  AppCode is fully compatible with Xcode  but goes beyond Xcode in adding powerful features   AppCode an Objective-C variant of the Intellij IDEA IDE from JetBrains  They are also authors of popular ReSharper extension to Visual Studio  which main purpose from here seems like a desperate attempt to bring a touch of IDEA experience to a Microsoft product   AppCode is using its own code analyser which gives close-to-perfect refactoring and code navigation support  There is an ability to re-indent and completely reformat code also  although I still keep missing a couple of formatting settings in hard cases  but mostly it works well    You might try the trial version  of course

User · Answer

You could try that XCode plugin https   github com benoitsan BBUncrustifyPlugin-Xcode  Just clone github repository  open plugin project in XCode and run it  It will be installed automatically  Restart Xode before using formatter plugin   Don t forget to install uncrustify util before  Homebrew  for exmaple  brew install uncrustify   P S  You can turn on  after save formatting  feature at Edit   Format Code   BBUncrustifyPlugin  Preferences   Format On Save  Hope this will be useful for u  -

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We can use Xcode Formatter which uses uncrustify to easily format your source code as your team exactly wants to be     Installation The recommended way is to clone GitHub project or download it from https   github com octo-online Xcode-formatter and add the CodeFormatter directory in your Xcode project to get       Xcode shortcut-based code formatting  a shortcut to format modified sources in the current workspace     automatic code formatting  add a build phase to your project to format current sources when application builds     all sources formatting  format all your code with one command line your formatting rules shared by project  edit and use a same configuration file with your project dev team 1   How to setup the code formatter for  your project Install uncrustify The simplest way is to use brew    brew install uncrustify  To install brew     ruby    e      curl    fsSkl raw github com mxcl homebrew go      Check that uncrustify is located in  usr local bin   which uncrustify  If your uncrustify version is lower than 0 60  you might have to install it manually since modern Objective-C syntax has been added recently  Add CodeFormatter directory beside your  xcodeproj file  Check that your Xcode application is named  Xcode   default name  You can see this name in the Applications  directory  or your custom Xcode installation directory   Be carefull if you have multiple instances of Xcode on your mac  ensure that project s one is actually named  Xcode    Why this   This name is used to find currently opened Xcode files  See CodeFormatter Uncrustify opened Xcode sources workflow appleScript   Install the automator service Uncrustify opened Xcode sources workflow Copy this file to your   Library Services  folder  create this folder if needed  Be careful   by double-clicking the  workflow file  you will install it but the file will be removed  Be sure to leave a copy of it for other users   How to format opened files when building the project Add a build phase  run script  containing the following line   sh CodeFormatter scripts formatOpendSources sh  How to format files in command line  To format currently opened files  use formatOpenedSources sh    sh CodeFormatter scripts formatOpendSources sh  To format all files  use formatAllSources sh    sh CodeFormatter scripts formatAllSources sh PATH  PATH must be replaced by your sources path   E g  if project name is TestApp then the command will be   sh CodeFormatter scripts formatAllSources sh TestApp  it will look for all files in the project and will format all the files as configured in uncrustify objective c cfg file   How to change formatter   s rules  Edit CodeFormatter uncrustify objective c cfg open with TextEdit

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