ps/Modules/Cole.PowerShell.Developer/Public/ConvertFrom-SlnFile.ps1

function ConvertFrom-SlnFile {
<#
.SYNOPSIS
    Reads in a solution file and returns a useful output object
#>
    [CmdletBinding()]
    [OutputType([object])]
    param (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        $Path
    )

    $logLead = (Get-LogLeadName)

    if (!(Test-Path -Path $Path)) {
        Write-Warning "$logLead : Can not find the file specified at [$Path]. Please verify it exists and is accessible."
        return
    }

    if (!$Path.EndsWith('.sln')) {
        if ((Get-Item -Path $Path).PSIsContainer) {
            $paths = (Get-ChildItem -Path (Join-Path $Path "*.sln" -Recurse))
            $pathsCount = $paths.Count
            if ($pathsCount -gt 0) {
                $Path = $paths[0]
                if ($pathsCount -eq 1) {
                    Write-Host "$logLead : Found the following file under the specified folder. Using this file [$Path]."
                } else {
                    Write-Host "$logLead : Found $($pathsCount) paths in subfolder. Will process only the first record at [$Path]."
                }
            } else {
                Write-Warning "$logLead : Found no sln folders in file. Can not do anything. Returning null."
                return $null
            }
        } else {
            Write-Warning "$logLead : Path [$Path] does not end with [.sln] and is not a folder, may not parse properly"
        }
    }

    $solutionPath = (Split-Path -Path $Path -Parent)

    $lines = (Get-Content -Path $Path)

    if ($lines.Count -eq 0) {
        Write-Error "$logLead : No contents found in [$Path]. Can not continue."
        return $null
    }

    $solutionFile = @{ Projects = @(); }

    $parsingProject = $false
    $parsingProjectSection = $false
    $parsingGlobal = $false
    $currentProject = @{ Name = ''; Type = ''; Path = ''; Guid = ''; }
    foreach ($line in $lines) {
        $line = $line.Trim()
        if ($line.StartsWith('#') -or [string]::IsNullOrWhiteSpace($line)) {
            # Skip the comment and blank lines, we don't care
        } elseif ($line.StartsWith("Project(")) {
            # Parse project line
            $parsingProject = $true
            # example line
            # Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Alkami.Admin.FicoScore", "Alkami.Admin.FicoScore\Alkami.Admin.FicoScore.csproj", "{E1475E57-C4FB-401E-9404-1B48BD473C5C}"
            # Project(clsid) = projectName, projectPath (from solution root), projectGuid
            $splits = $line -split ','
            if ($splits.Count -ne 3) {
                Write-Warning "$logLead : An unexpected (found: $($splits.Count), expected: 3) number of segments were found for this line [$line]. Expected format: [Project(clsid) = projectName, projectPath, projectGuid]. Will attempt to process."
            }
            $projectClsidAndName = $splits[0].Trim().Replace('"','').Replace('{','').Replace('}','')
            $projectRelativePath = $splits[1].Trim().Replace('"','')
            $projectGuid = $splits[2].Trim().Replace('"','').Replace('{','').Replace('}','')

            $projectClsidAndNameSplits = $projectClsidAndName -split('=')
            $projectClsid = $projectClsidAndNameSplits[0].Trim().Replace('Project(','').Replace(')','')
            $projectName = $projectClsidAndNameSplits[1].Trim()
            $projectType = (Get-DotNetProjectFileTypeFromGuid -ProjectTypeGuid $projectClsid)

            if ($projectType -eq 'Solution Folder') {
                # there is no path here
            } else {
                # there is a path here
                $fullProjectPath = (Join-Path -Path $solutionPath -ChildPath $projectRelativePath)
                $currentProject.Path = $fullProjectPath
            }
            $currentProject.Name = $projectName
            $currentProject.Guid = $projectGuid
            $currentProject.Type = $projectType
        } elseif ($line.StartsWith("EndProject")) {
            # End parsing a project
            if (![string]::IsNullOrWhiteSpace($currentProject.Name)) {
                $solutionFile.Projects += $currentProject
            }
            $parsingProject = $false
            $currentProject = @{ Name = ''; Type = ''; Path = ''; Guid = ''; }
        } elseif ($line -eq "Global") {
            # Start parsing global configuration data
            $parsingGlobal = $true
        } elseif ($line -eq "EndGlobal") {
            # End parsing global configuration data
            $parsingGlobal = $false
        } elseif ($line.StartsWith("VisualStudioVersion")) {
            # Parse global configuration data
            $solutionFile.VisualStudioVersion = $line.Split('=')[0].Trim()
        } elseif ($line.StartsWith("MinimumVisualStudioVersion")) {
            # Parse global configuration data
            $solutionFile.MinimumVisualStudioVersion = $line.Split('=')[0].Trim()
        } elseif ($line.StartsWith("Microsoft Visual Studio Solution File")) {
            # Parse global configuration data
            $solutionFile.SolutionFileVersion = $line.Split(',')[1].Trim()
        } elseif ($parsingProject) {
            # Parse project information
            if ($line.StartsWith('ProjectSection')) {
                $parsingProjectSection = $true
                $currentProject.ProjectFiles = @()
            } elseif ($line.StartsWith('EndProjectSection')) {
                $parsingProjectSection = $false
            } elseif ($parsingProjectSection) {
                $splits = $line -split '='
                
                $currentProject.ProjectFiles += @{ Name = $splits[0].Trim(); Value = $splits[1].Trim(); }
            } else {
                Write-Host "$logLead : Not sure how to parse this projectSection line`r`n`t$line"
            }
        } elseif ($parsingGlobal) {
            # Parse global configuration data
            # TODO: I don't need this information right now
            # Still here in case I decide one day I want to capture it
        } else {
            Write-Host "$logLead : Not sure how to parse this line`r`n`t$line"
        }
    }

    return $solutionFile
}