helpers/Convert-SPClientMemberAccessExpression.ps1
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#Requires -Version 3.0 # Convert-SPClientMemberAccessExpression.ps1 # # Copyright (c) 2017 karamem0 # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in all # copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # SOFTWARE. function Convert-SPClientMemberAccessExpression { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [string] $InputString, [Parameter(Mandatory = $true)] [System.Linq.Expressions.Expression] $Expression ) process { $Expr = $Expression $Type = $Expression.Type if ($InputString -ne '*') { $Splits = Split-SPClientExpressionString -InputString $InputString -Separator '.' $Splits | ForEach-Object { if (Test-GenericSubclassOf -InputType $Type -TestType 'Microsoft.SharePoint.Client.ClientObjectCollection`1') { $Expr = Convert-SPClientIncludeExpression -InputString $_ -Expression $Expr } else { $Prop = $Type.GetProperty($_) if ($Prop -eq $null) { throw "Cannot convert expression because '$($Type)' has no member named '$($_)'." } $Expr = [System.Linq.Expressions.Expression]::Property($Expr, $Prop) $Type = $Prop.PropertyType } } } Write-Output $Expr } } |