StringListParser.ps1
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function RegExParser { param ( [Parameter(Mandatory)] [string]$string, [Parameter(Mandatory)] [string]$RegExPattern, [Parameter(Mandatory)] [int]$MatchGroup ) $retval = New-Object System.Collections.Generic.List[System.String] #$RegExPattern = [regex]::new('<(a|link|Link|A).*href\s*=\s*\"(.*?)\".*>') $Pattern = [regex]::new($RegExPattern) foreach($match in $Pattern.Matches($string)) { $retval.Add([string]$match.Groups[4].Value) } [string[]] $retval return } function LinkListReprocessing { param ( [Parameter(Mandatory)] [object[]] $LinkList, [Parameter()] [bool]$RemoveEmpty = $true, [Parameter()] [bool]$RemoveHashTag = $true, [Parameter()] [bool]$PreventDupes = $true, [Parameter()] [string]$RelativeToAbsoluteUrl = $null ) $retval = New-Object System.Collections.Generic.List[System.String] [uri]$uri = $null if ($null -ne $RelativeToAbsoluteUrl) { $uri = [uri]::new($RelativeToAbsoluteUrl) } for ($i = 0; $i -lt $LinkList.Count; $i++) { if($RemoveEmpty -and [string]::IsNullOrEmpty($LinkList[$i])) { continue; } if($RemoveHashTag -and $LinkList[$i].StartsWith("#")) { continue; } if ($null -ne $uri) { if ($LinkList[$i].StartsWith("/")) { $LinkList[$i] = $uri.Scheme+"://"+$uri.Host+$LinkList[$i] } } if($PreventDupes -and ($retval.Contains($LinkList[$i]) -eq $true)) { continue; } $retval.Add($LinkList[$i]) } [System.Collections.Generic.List[System.String]] $retval return } function LinkListFilter { param ( [Parameter(Mandatory)] [object[]] $LinkList, [Parameter(Mandatory)] [string[]]$Endings ) $retval = New-Object System.Collections.Generic.List[System.String] for ($i = 0; $i -lt $LinkList.Count; $i++) { $uriitem = [uri]::new($LinkList[$i]) $max = $uriitem.Segments.Count-1 $lastsegment = $uriitem.Segments[$max] for ($j = 0; $j -lt $Endings.Count; $j++) { if ($lastsegment.EndsWith($Endings[$j])) { $retval.Add($LinkList[$i]) } } } [System.Collections.Generic.List[System.String]] $retval return } function LinkListMustContain { param ( [Parameter(Mandatory)] [object[]] $LinkList, [Parameter(Mandatory)] [string[]]$Contain ) $retval = New-Object System.Collections.Generic.List[System.String] for ($i = 0; $i -lt $LinkList.Count; $i++) { $uriitem = [uri]::new($LinkList[$i]) $lastsegment = $uriitem.Segments[$uriitem.Segments.Count-1] [bool]$allcontain = $true for ($j = 0; $j -lt $Contain.Count; $j++) { if ($lastsegment.Contains($Contain[$j])) { $allcontain = $allcontain -and $true } else { $allcontain = $allcontain -and $false } } if ($allcontain) { $retval.Add($LinkList[$i]) } } [System.Collections.Generic.List[System.String]] $retval return } function FetchStdLink { param ( [Parameter(Mandatory)] [string] $url, [Parameter(Mandatory)] [string[]]$Contain ) [string]$url = "https://github.com/microsoft/winget-cli/releases/latest" $html = DownloadString -url $url [string[]]$rest = RegExParser -string $html -RegExPattern '<(a|A)(.*?)href(.*?)=\"(.*?)\"(.*?)>' -MatchGroup 4 [string[]]$rest = LinkListReprocessing -LinkList $rest -RelativeToAbsoluteUrl $url [string[]]$rest = LinkListFilter -LinkList $rest -Endings @(".zip",".exe",".ps1",".cmd",".bat",".msixbundle") [string[]]$rest = LinkListMustContain -LinkList $rest -Contain $Contain [string[]]$rest[0] return } |