helpers/Convert-SPClientMemberAccessExpression.ps1
#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 Split-SPClientExpressionString -InputString $InputString -Separator '.' | 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 } } |