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Format Code - Xojo IDE Script

Format's the code in the current editor of the Xojo IDE. For example, badly formatted code:

DIM i as Integer= 10
iF i<18    then
  SayHello  ("Howdy"  , "World"  )
end if

Automagically becomes:

Dim i As Integer = 10
If i < 18 Then
  SayHello("Howdy", "World")
End If    

It also does some other semi-format tasks, for example it expands common short-hand assignments:

appleCount += applesInDeliveryTruck
appleCount -= applesAteWhileUnloading
appleCount *= bushelsInTruck
appleCount /= peopleHelpingToUnload

Automagically becomes:

appleCount = appleCount + applesInDeliveryTruck
appleCount = appleCount - applesAteWhileUnloading
appleCount = appleCount * bushelsInTruck
appleCount = appleCount / peopleHelpingToUnload

Installation

Copy Scripts/Format Code.xojo_script to the Scripts directory of your Xojo Installation. To run unit testing, simply open Format Code Unit Test.xojo_project and click the menu item File > IDE Scripts > Format Code - Test.xojo_script.

Bleeding Edge Installation

If you are keeping up with the bleeding edge Format Code development via git, you may wish to clone the repository, then create symbolic links instead of copying the script each update. An example for OS X at the time of this writing:

$ cd $HOME/development
$ git clone https://github.com/jcowgar/xojo-format-code.git
$ cd xojo-format-code
$ git checkout develop
$ ln -s Format\ Code.xojo_script /Applications/Xojo\ 2015\ Release\ 2.2/Scripts/

Now when a new commit is pushed or release made, simply:

$ cd $HOME/development/xojo-format-code
$ git pull

and you will be running the bleeding edge.

Creating a Shortcut

On OS X you can use the System Preferences to create a shortcut to execute the Format Code script.

  1. Load System Preferences
  2. Select Keyboard
  3. Select the Shortcuts tab
  4. Select App Shortcuts
  5. Click the + button
  6. Choose Application Xojo
  7. Enter File->IDE Scripts->Format Code.xojo_script into the Menu Title
  8. Choose a keyboard shortcut (I use Ctrl+F for Format)

Options

Users can set options to control various aspects of Format Code. Options can be set one of two ways,

  1. Change configuration settings at the top of Format Code.xojo_script: This will enable your preferences to be applied across multiple projects w/o change. It does not allow for custom settings per project and each time you update Format Code.xojo_script you will have to re-apply your custom settings.
  2. Create a module named FormatCodePreferences and add constants with the same names as the variables in the script. This allows you to have per-project settings and be able to update Format Code.xojo_script easily. This module does not have to contain all, or any, of the preferences but any preference that is found in the module will override any preference set manually in the Format Code.xojo_script file.

You can also use both options, #1 to provide defaults to simple projects and #2 to override those defaults for specific projects.

When setting options via the FormatCodePreferences, the CaseConversion constant can be numeric (1, 2, 3) or a string, "kTitleCase", "kLowerCase", "kUpperCase" and boolean constants can be a boolean value or a string, "Yes" or "True"

CaseConversion: The capitalization of keywords

byREF

Would become:

ByRef // If CaseConversion = kTitleCase
byref // If CaseConversion = kLowerCase
BYREF // If CaseConversion = kUpperCase

PadParensInner: Inner parenthesis padding

Add ( 1 ,  Abs(something ) )

Would become:

Add(1, Abs(something))     // If PadParens = False
Add( 1, Abs( something ) ) // If PadParens = True

PadParensOuter: Outer parenthesis padding

Add  ( 1 , Abs ( something    ) )

Would become:

Add(1, Abs(something))   // If PadParensOuter = False
Add (1, Abs (something)) // If PadParensOuter = True

PadOperators: Operator padding

a   = 10   + 5

Would become:

a=10+5     // If PadOperators = False
a = 10 + 5 // If PadOperators = True

PadComma: Comma padding

Add(10,   5)

Would become:

Add(10,5)  // If PadComma = False
Add(10, 5) // If PadComma = True

Keywords

A user definable array lists all the keywords that you wish to have case conversion performed on. The array comes with all the keywords of the Xojo language already defined.

KeywordsToTitleCase

A user definable array defined in the FormatCodePreferences module delimited by commas. All items will be converted to TitleCase regardless of any case conversion setting.

KeywordsToUpperCase

A user definable array defined in the FormatCodePreferences module delimited by commas. All items will be converted to UPPERCASE regardless of any case conversion setting.

KeywordsToLowerCase

A user definable array defined in the FormatCodePreferences module delimited by commas. All items will be converted to lowercase regardless of any case conversion setting.

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Code formatter written in XojoScript for Xojo

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