Update powershell.rb

Style changes requested by Jneen, Fixes for Attributes highlighting.

lib/rouge/lexers/powershell.rb

@@ -3,41 +3,83 @@
 module Rouge
   module Lexers
     load_const :Shell, 'shell.rb'
-  
-      class Powershell < Shell
-      title 'powershell'
-      desc 'powershell'
-      tag 'powershell'
-      aliases 'posh'
-      filenames '*.ps1', '*.psm1', '*.psd1'
-      mimetypes 'text/plain'
+    class Powershell < Shell
+    title 'powershell'
+    desc 'powershell'
+    tag 'powershell'
+    aliases 'posh'
+    filenames '*.ps1', '*.psm1', '*.psd1'
+    mimetypes 'text/plain'
       ATTRIBUTES = %w(
-      CmdletBinding ConfirmImpact DefaultParameterSetName HelpURI SupportsPaging SupportsShouldProcess PositionalBinding
-      )
-	  
+      CmdletBinding ConfirmImpact DefaultParameterSetName HelpURI SupportsPaging
+      SupportsShouldProcess PositionalBinding
+      ).join('|')
+  
       KEYWORDS = %w(
-      Begin Exit Process Break Filter Return Catch Finally Sequence Class For Switch Continue ForEach Throw Data From Trap Define Function Try Do If Until DynamicParam In Using Else InlineScript Var ElseIf Parallel While End Param Workflow 
+      Begin Exit Process Break Filter Return Catch Finally Sequence Class For 
+      Switch Continue ForEach Throw Data From Trap Define Function Try Do If 
+      Until DynamicParam In Using Else InlineScript Var ElseIf Parallel While 
+      End Param Workflow 
       ).join('|')
-    
+  
       KEYWORDS_TYPE = %w(
-        bool byte char decimal double float int long object sbyte
-        short string uint ulong ushort
+      bool byte char decimal double float int long object sbyte
+      short string uint ulong ushort
       ).join('|')
-    
+  
       OPERATORS = %w(
-        -split -isplit -csplit -join -is -isnot -as -eq -ieq -ceq -ne -ine -cne -gt -igt -cgt -ge -ige -cge -lt -ilt -clt -le -ile -cle -like -ilike -clike -notlike -inotlike -cnotlike -match -imatch -cmatch -notmatch -inotmatch -cnotmatch -contains -icontains -ccontains -notcontains -inotcontains -cnotcontains -replace -ireplace -creplace -band -bor -bxor -and -or -xor \. & = \+= -= \*= \/= %= 
+      -split -isplit -csplit -join -is -isnot -as -eq -ieq -ceq -ne -ine -cne
+      -gt -igt -cgt -ge -ige -cge -lt -ilt -clt -le -ile -cle -like -ilike 
+      -clike -notlike -inotlike -cnotlike -match -imatch -cmatch -notmatch 
+      -inotmatch -cnotmatch -contains -icontains -ccontains -notcontains 
+      -inotcontains -cnotcontains -replace -ireplace -creplace -band -bor 
+      -bxor -and -or -xor \. & = \+= -= \*= \/= %= 
       ).join('|')
       BUILTINS = %w(
-    Add-Content Add-History Add-Member Add-PSSnapin Clear-Content Clear-Item Clear-Item Property Clear-Variable Compare-Object ConvertFrom-SecureString Convert-Path ConvertTo-Html ConvertTo-SecureString Copy-Item Copy-ItemProperty Export-Alias Export-Clixml Export-Console Export-Csv ForEach-Object Format-Custom Format-List Format-Table Format-Wide Get-Acl Get-Alias Get-AuthenticodeSignature Get-ChildItem Get-Command Get-Content Get-Credential Get-Culture Get-Date Get-EventLog Get-ExecutionPolicy Get-Help Get-History Get-Host Get-Item Get-ItemProperty Get-Location Get-Member Get-PfxCertificate Get-Process Get-PSDrive Get-PSProvider Get-PSSnapin Get-Service Get-TraceSource Get-UICulture Get-Unique Get-Variable Get-WmiObject Group-Object Import-Alias Import-Clixml Import-Csv Invoke-Expression Invoke-History Invoke-Item Join-Path Measure-Command Measure-Object Move-Item Move-ItemProperty New-Alias New-Item New-ItemProperty New-Object New-PSDrive New-Service New-TimeSpan New-Variable Out-Default Out-File Out-Host Out-Null Out-Printer Out-String Pop-Location Push-Location Read-Host Remove-Item Remove-ItemProperty Remove-PSDrive Remove-PSSnapin Remove-Variable Rename-Item Rename-ItemProperty Resolve-Path Restart-Service Resume-Service Select-Object Select-String Set-Acl Set-Alias Set-AuthenticodeSignature Set-Content Set-Date Set-ExecutionPolicy Set-Item Set-ItemProperty Set-Location Set-PSDebug Set-Service Set-TraceSource Set-Variable Sort-Object Split-Path Start-Service Start-Sleep Start-Transcript Stop-Process Stop-Service Stop-Transcript Suspend-Service Tee-Object Test-Path Trace-Command Update-FormatData Update-TypeData Where-Object Write-Debug Write-Error Write-Host Write-Output Write-Progress Write-Verbose Write-Warning ac asnp cat cd chdir clc clear clhy cli clp cls clv cnsn compare copy cp cpi cpp curl cvpa dbp del diff dir dnsn ebp echo epal epcsv epsn erase etsn exsn fc fl foreach ft fw gal gbp gc gci gcm gcs gdr ghy gi gjb gl gm gmo gp gps group gsn gsnp gsv gu gv gwmi h history icm iex ihy ii ipal ipcsv ipmo ipsn irm ise iwmi iwr kill lp ls man md measure mi mount move mp mv nal ndr ni nmo npssc nsn nv ogv oh popd ps pushd pwd r rbp rcjb rcsn rd rdr ren ri rjb rm rmdir rmo rni rnp rp rsn rsnp rujb rv rvpa rwmi sajb sal saps sasv sbp sc select set shcm si sl sleep sls sort sp spjb spps spsv start sujb sv swmi tee trcm type wget where wjb write \% \?
+      Add-Content Add-History Add-Member Add-PSSnapin Clear-Content Clear-Item 
+      Clear-Item Property Clear-Variable Compare-Object ConvertFrom-SecureString
+      Convert-Path ConvertTo-Html ConvertTo-SecureString Copy-Item 
+      Copy-ItemProperty Export-Alias Export-Clixml Export-Console Export-Csv 
+      ForEach-Object Format-Custom Format-List Format-Table Format-Wide Get-Acl 
+      Get-Alias Get-AuthenticodeSignature Get-ChildItem Get-Command Get-Content 
+      Get-Credential Get-Culture Get-Date Get-EventLog Get-ExecutionPolicy 
+      Get-Help Get-History Get-Host Get-Item Get-ItemProperty Get-Location 
+      Get-Member Get-PfxCertificate Get-Process Get-PSDrive Get-PSProvider 
+      Get-PSSnapin Get-Service Get-TraceSource Get-UICulture Get-Unique 
+      Get-Variable Get-WmiObject Group-Object Import-Alias Import-Clixml 
+      Import-Csv Invoke-Expression Invoke-History Invoke-Item Join-Path 
+      Measure-Command Measure-Object Move-Item Move-ItemProperty New-Alias 
+      New-Item New-ItemProperty New-Object New-PSDrive New-Service New-TimeSpan 
+      New-Variable Out-Default Out-File Out-Host Out-Null Out-Printer Out-String 
+      Pop-Location Push-Location Read-Host Remove-Item Remove-ItemProperty 
+      Remove-PSDrive Remove-PSSnapin Remove-Variable Rename-Item 
+      Rename-ItemProperty Resolve-Path Restart-Service Resume-Service 
+      Select-Object Select-String Set-Acl Set-Alias Set-AuthenticodeSignature 
+      Set-Content Set-Date Set-ExecutionPolicy Set-Item Set-ItemProperty 
+      Set-Location Set-PSDebug Set-Service Set-TraceSource Set-Variable 
+      Sort-Object Split-Path Start-Service Start-Sleep Start-Transcript 
+      Stop-Process Stop-Service Stop-Transcript Suspend-Service Tee-Object 
+      Test-Path Trace-Command Update-FormatData Update-TypeData Where-Object 
+      Write-Debug Write-Error Write-Host Write-Output Write-Progress 
+      Write-Verbose Write-Warning ac asnp cat cd chdir clc clear clhy cli clp 
+      cls clv cnsn compare copy cp cpi cpp curl cvpa dbp del diff dir dnsn ebp 
+      echo epal epcsv epsn erase etsn exsn fc fl foreach ft fw gal gbp gc gci 
+      gcm gcs gdr ghy gi gjb gl gm gmo gp gps group gsn gsnp gsv gu gv gwmi h 
+      history icm iex ihy ii ipal ipcsv ipmo ipsn irm ise iwmi iwr kill lp ls 
+      man md measure mi mount move mp mv nal ndr ni nmo npssc nsn nv ogv oh popd
+      ps pushd pwd r rbp rcjb rcsn rd rdr ren ri rjb rm rmdir rmo rni rnp rp rsn
+      rsnp rujb rv rvpa rwmi sajb sal saps sasv sbp sc select set shcm si sl 
+      sleep sls sort sp spjb spps spsv start sujb sv swmi tee trcm type wget 
+      where wjb write \% \?
       ).join('|')
       prepend :basic do
         rule %r(<#[\s,\S]*?#>)m, Comment::Multiline
         rule /#.*$/, Comment::Single
         rule /\b(#{OPERATORS})\s*\b/i, Operator
-		rule /\b(#{ATTRIBUTES})\s*\b/i, Name::Attribute
+        rule /\b(#{ATTRIBUTES})\s*\b/i, Name::Attribute
         rule /\b(#{KEYWORDS})\s*\b/i, Keyword
         rule /\b(#{KEYWORDS_TYPE})\s*\b/i, Keyword::Type
         rule /\bcase\b/, Keyword, :case