_buildTools/New-MarkdownDoc.ps1
<#
The MIT License (MIT) Copyright (c) 2015 Objectivity Bespoke Software Specialists 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 New-MarkdownDocModule { <# .SYNOPSIS Generates markdown documentation for each public function from given module. .PARAMETER ModuleName Module to scan. .PARAMETER OutputPath Base output path. .PARAMETER GitBaseUrl Base Git url to generate links to source files. .EXAMPLE New-MarkdownDocModule -ModuleName 'PSCI.build' -OutputPath '..\PSCI.wiki' #> [CmdletBinding()] [OutputType([void])] param( [Parameter(Mandatory=$true)] [string] $ModuleName, [Parameter(Mandatory=$true)] [string] $OutputPath, [Parameter(Mandatory=$false)] [string] $GitBaseUrl = 'https://github.com/ObjectivityBSS/PSCI/tree/master' ) $outputBasePath = Join-Path $OutputPath -ChildPath "api\$ModuleName" if ((Test-Path -Path $outputBasePath)) { Write-Log -Info "Deleting directory '$outputBasePath'" Remove-Item -Path $outputBasePath -Recurse -Force } [void](New-Item -Path $outputBasePath -ItemType Directory -Force) $outputIndexString = New-Object -TypeName System.Text.StringBuilder $modulePath = Get-PSCIModulePath -ModuleName $ModuleName $readmePath = Join-Path -Path $modulePath -ChildPath 'readme.txt' [void]($OutputIndexString.Append("## Module $ModuleName`r`n")) if ((Test-Path -Path $readmePath)) { $readmeContents = Get-Content -Path $readmePath -ReadCount 0 | Out-String [void]($outputIndexString.Append($readmeContents)) } $functionsToDocument = Get-AllFunctionsFromModule -ModuleName $ModuleName foreach ($funcInfo in $functionsToDocument) { $outputString = Generate-MarkdownForFunction -FunctionInfo $funcInfo -OutputIndexString $outputIndexString -ModuleName $moduleName -GitBaseUrl $GitBaseUrl $outputFilePath = Join-Path -Path $outputBasePath -ChildPath "$($funcInfo.FunctionName).md" $outputString.ToString() | Out-File -FilePath $outputFilePath } $outputIndexPath = Join-Path -Path $outputBasePath -ChildPath "$ModuleName.md" $outputIndexString.ToString() | Out-File -FilePath $OutputIndexPath } function New-MarkdownDocDirectory { <# .SYNOPSIS Generates markdown documentation for each function from given directory. .PARAMETER Path Path to scan. .PARAMETER OutputPath Base output path. .PARAMETER GitBaseUrl Base Git url to generate links to source files. .EXAMPLE New-MarkdownDocDirectory -Path 'BuiltinSteps' -OutputPath '..\PSCI.wiki' #> [CmdletBinding()] [OutputType([void])] param( [Parameter(Mandatory=$true)] [string] $Path, [Parameter(Mandatory=$true)] [string] $OutputPath, [Parameter(Mandatory=$false)] [string] $GitBaseUrl = 'https://github.com/ObjectivityBSS/PSCI/tree/master' ) $dirName = Split-Path -Path $Path -Leaf $outputBasePath = Join-Path $OutputPath -ChildPath "api\$dirName" if ((Test-Path -Path $outputBasePath)) { Write-Log -Info "Deleting directory '$outputBasePath'" Remove-Item -Path $outputBasePath -Recurse -Force } [void](New-Item -Path $outputBasePath -ItemType Directory -Force) $outputIndexString = New-Object -TypeName System.Text.StringBuilder $moduleName = Split-Path -Path $Path -Leaf $readmePath = Join-Path -Path $Path -ChildPath 'readme.txt' [void]($OutputIndexString.Append("## $moduleName`r`n")) if ((Test-Path -Path $readmePath)) { $readmeContents = Get-Content -Path $readmePath -ReadCount 0 | Out-String [void]($outputIndexString.Append($readmeContents)) } $functionsToDocument = Get-AllFunctionsFromDirectory -Path $Path foreach ($funcInfo in $functionsToDocument) { $outputString = Generate-MarkdownForFunction -FunctionInfo $funcInfo -OutputIndexString $outputIndexString -GitBaseUrl $GitBaseUrl $outputFilePath = Join-Path -Path $outputBasePath -ChildPath "$($funcInfo.FunctionName).md" $outputString.ToString() | Out-File -FilePath $outputFilePath } $outputIndexPath = Join-Path -Path $outputBasePath -ChildPath "$dirName.md" $outputIndexString.ToString() | Out-File -FilePath $OutputIndexPath } function Escape-Markdown { <# .SYNOPSIS Escapes special characters for markdown. .PARAMETER String String to escape. .EXAMPLE Escape-Markdown -String '<test>' #> [CmdletBinding()] [OutputType([void])] param( [Parameter(Mandatory=$true)] [string] $String ) return $String -replace '([^\\])<', '$1\<' ` -replace '([^\\])>', '$1\>' } function Get-AllFunctionsFromModule { <# .SYNOPSIS Gets all public functions from given module. .PARAMETER ModuleName Module name. .EXAMPLE $functionsToDocument = Get-AllFunctionsFromModule -ModuleName $ModuleName #> [CmdletBinding()] [OutputType([object[]])] param( [Parameter(Mandatory=$true)] [string] $ModuleName ) Write-Log -Info "Getting functions from $ModuleName" $modulePath = Get-PSCIModulePath -ModuleName $ModuleName $allPs1Files = Get-ChildItem -Path $modulePath -Include "*.ps1" -Recurse | Select-Object -ExpandProperty FullName $result = New-Object -TypeName System.Collections.ArrayList foreach ($ps1File in $allPs1Files) { $funcName = (Split-Path -Path $ps1File -Leaf).Replace('.ps1', '') $cmd = Get-Command -Module $ModuleName -Name $funcName -ErrorAction SilentlyContinue if ($cmd) { $help = Get-Help -Name $funcName -ErrorAction SilentlyContinue [void]($result.Add([PSCustomObject]@{ FunctionName = $funcName Path = $ps1File Command = $cmd Help = $help })) } } return $result.ToArray() } function Get-AllFunctionsFromDirectory { <# .SYNOPSIS Gets all functions from given directory. .PARAMETER Path Path to directory. .EXAMPLE $functionsToDocument = Get-AllFunctionsFromDirectory -Path 'c:\MyModule' #> [CmdletBinding()] [OutputType([object[]])] param( [Parameter(Mandatory=$true)] [string] $Path ) $allPs1Files = Get-ChildItem -Path $Path -Include "*.ps1" -Recurse | Select-Object -ExpandProperty FullName $result = New-Object -TypeName System.Collections.ArrayList foreach ($ps1File in $allPs1Files) { . $ps1File $funcName = (Split-Path -Path $ps1File -Leaf).Replace('.ps1', '') $cmd = Get-Command -Name $funcName -ErrorAction SilentlyContinue if (!$cmd) { throw "Cannot get command for function '$funcName'" } $help = $null # Get-Help does not work well for Configurations... we need to trick it it's a function if ($cmd.CommandType -eq 'Configuration') { $contents = Get-Content -Path $ps1File -ReadCount 0 | Out-String if ($contents -match '(?smi){.*(<#.*\.SYNOPSIS.*#>)') { $synopsis = $Matches[1] $cmdText = "function $($cmd.Name) {`r`n$synopsis`r`n}" Invoke-Expression $cmdText $help = Get-Help -Name $funcName -ErrorAction SilentlyContinue } } if (!$help) { $help = Get-Help -Name $funcName -ErrorAction SilentlyContinue } [void]($result.Add([PSCustomObject]@{ FunctionName = $funcName Path = $ps1File Command = $cmd Help = $help })) } return $result.ToArray() } function Generate-MarkdownForFunction { <# .SYNOPSIS Generates markdown for specified function. .PARAMETER FunctionInfo FunctionInfo object as created by Get-AllFunctionsFrom* function. .PARAMETER OutputIndexString String builder for index markdown. .PARAMETER ModulePath Name of the module the function belongs to. .PARAMETER GitBaseUrl Base Git url to generate links to source files. .EXAMPLE $outputString = Generate-MarkdownForFunction -FunctionInfo $funcInfo -OutputIndexString $outputIndexString -ModulePath $modulePath -GitBaseUrl $GitBaseUrl #> [CmdletBinding()] [OutputType([string])] param( [Parameter(Mandatory=$true)] [object] $FunctionInfo, [Parameter(Mandatory=$true)] [object] $OutputIndexString, [Parameter(Mandatory=$false)] [string] $ModuleName, [Parameter(Mandatory=$false)] [string] $GitBaseUrl ) $funcName = $FunctionInfo.FunctionName $help = $FunctionInfo.Help $psciBasePathSlash = (Get-PSCIModulePath) -ireplace '\\', '/' if ($ModuleName) { $modulePath = Get-PSCIModulePath -ModuleName $ModuleName } else { $ModuleName = Split-Path -Path (Split-Path -Path $FunctionInfo.Path -Parent) -Leaf } $arrParameterProperties = @( 'DefaultValue', 'PipelineInput', 'Required' ) Write-Log -Info "Generating markdown for $funcName" if ($modulePath) { $funcRelativeLocation = (Split-Path -Path $FunctionInfo.Path -Parent).Replace("$modulePath\", '') if ($funcRelativeLocation -ne $Global:currentRelativeLocation) { [void]($OutputIndexString.Append("`r`n### $funcRelativeLocation`r`n")) $Global:currentRelativeLocation = $funcRelativeLocation } } $outputString = New-Object -TypeName System.Text.StringBuilder [void]($OutputIndexString.Append("* [[$funcName]]")) [void]($outputString.Append("## $funcName`r`n")) $gitLink = ($FunctionInfo.Path -ireplace '\\', '/').Replace($psciBasePathSlash, $GitBaseUrl) [void]($outputString.Append("[[$ModuleName]] -\> [$funcName.ps1]($gitLink)`r`n")) if ($help.Synopsis) { [void]($OutputIndexString.Append(" - $($help.Synopsis)`r`n")) [void]($outputString.Append("### Synopsis`r`n")) [void]($outputString.Append("$($help.Synopsis)`r`n")) } else { [void]($outputIndexString.Append("`r`n")) } if ($help.Syntax) { [void]($outputString.Append("### Syntax`r`n")) $syntax = ($help.Syntax | Out-String -Width 80).Trim() [void]($outputString.Append("``````PowerShell`r`n$syntax`r`n```````r`n")) } if ($help.Description) { [void]($outputString.Append("### Description`r`n")) [void]($outputString.Append("$($help.Description.Text)`r`n`r`n")) } if ($help.Parameters) { [void]($outputString.Append("### Parameters`r`n")) foreach ($item in $help.Parameters.Parameter) { [void]($outputString.Append("#### -$($item.Name)\<$($item.Type.Name)\>")) if ($item.defaultValue) { [void]($outputString.Append(" (default: $($item.defaultValue))")) } [void]($outputString.Append("`r`n")) if ($item.Description.Text) { $escapedDescription = Escape-Markdown -String $item.Description.Text [void]($outputString.Append($escapedDescription)) [void]($outputString.Append("`r`n")) } [void]($outputString.Append("`r`n<!---->`r`n")) $validateSetAttributes = $FunctionInfo.Command.Parameters.$($item.Name).Attributes | Where-Object { $_.TypeId.FullName -eq 'System.Management.Automation.ValidateSetAttribute' } if ($validateSetAttributes) { $validateSetStr = ($validateSetAttributes.ValidValues -replace '^$', '\<empty\>') -join ', ' if ($validateSetStr.StartsWith(',')) { $validateSetStr = '$null' + $validateSetStr } [void]($outputString.Append("- **Valid values**: $validateSetStr`r`n")) } foreach ($arrParamProperty in $arrParameterProperties){ if ($item.$arrParamProperty){ [void]($outputString.Append("- **$arrParamProperty**: $($item.$arrParamProperty)`r`n")) } } [void]($outputString.Append("`r`n")) } } if ($help.Examples) { [void]($outputString.Append("### Examples`r`n")) foreach ($item in $help.Examples.Example) { $example = $item.title.Replace("--------------------------","").Replace("EXAMPLE","Example") [void]($outputString.Append("`r`n#### $example`r`n")) if ($item.Code) { [void]($outputString.Append("``````PowerShell`r`n")) # if code starts with ``` it means it special case - we need to put remarks inside ```. See https://connect.microsoft.com/PowerShell/feedbackdetail/view/952833. if (!$item.Code.StartsWith('```')) { [void]($outputString.Append("$($item.Code)`r`n")) [void]($outputString.Append("```````r`n")) } } if ($item.Remarks) { foreach ($remark in $item.Remarks.Text) { if ($remark -and $remark.Trim()) { [void]($outputString.Append("$($remark.Trim())`r`n")) } } } } } return $outputString.ToString() } |