tarwn/BuildWarningReportGenerator.ps1

## BuildWarningReportGenerator.ps1
Param
(
    [parameter(Mandatory=$true)][string]
    $BuildLogPath,

    [parameter(Mandatory=$true)][string]
    $BuildCheckoutDirectoryPath,

    [parameter()][string]
    $BuildArtifactRepositoryUrl
)

<#
BuildWarningReportGenerator.ps1
Processes an MSBuild log, and creates a report of build warnings; integrates with TeamCity

Local Test:
.\BuildWarningReportGenerator.ps1 -BuildLogPath "<path to build log directory>\BuildLog.log" -BuildCheckoutDirectoryPath "<path to build checkout directory>\" -BuildArtifactRepositoryUrl "http://<server:port>/repository/download/<build configuration id>/"
#>

Write-Host
Write-Host "================================================================================"
Write-Host $MyInvocation.MyCommand.Name
Write-Host


Add-Type -AssemblyName System.Web
Add-Type -TypeDefinition @"
using System.Text.RegularExpressions;
public class BuildWarning
{
    public string Solution { get; private set; }
    public string Project { get; private set; }
    public string WarningMessage { get; private set; }
    public string WarningCode { get; private set; }
    public string Key { get; private set; }
    public bool IsNew { get; set; }

    private static readonly Regex warningMessageKeyRegex = new Regex(@"^(?<before>.*)\([0-9,]+\)(?<after>: warning .*)$");

    public BuildWarning(string solution, string project, string warningMessage, string warningCode)
    {
        Solution = solution;
        Project = project;
        WarningMessage = warningMessage;
        WarningCode = warningCode;

        var match = warningMessageKeyRegex.Match(WarningMessage);
        Key = Solution + "|" + Project + "|" + match.Groups["before"].Value + match.Groups["after"].Value;
    }
}
"@


Write-Host "============================================================"
Write-Host "Getting warnings"
Write-Host

[string] $sln
[System.Collections.Generic.Dictionary``2[int,string]] $projectStack = New-Object "System.Collections.Generic.Dictionary``2[int,string]"
[System.Collections.Generic.List``1[BuildWarning]] $warnings = New-Object "System.Collections.Generic.List``1[BuildWarning]"
[System.Collections.Generic.List``1[string]] $projWarningKeys = New-Object "System.Collections.Generic.List``1[string]"
Foreach ($line in Get-Content -ErrorAction Stop $BuildLogPath)
{
    if ($line -match '^(?<leadingSpace> +)(?<content>\S.*)$')
    {
        [int] $i = $matches['leadingSpace'].Length / 4
        [string] $content = $matches['content']

        if ($content -match '^Project .* is building ".*\\(?<solution>.*\.sln)" .*$')
        {
            $sln = $matches['solution']
            $warnings += New-Object BuildWarning($sln, "", "", "")
        }
        elseif ($content -match '^Project .* is building ".*\\(?<project>.*?)" .*$')
        {
            $projectStack[$i] = $matches['project']
            if ($projectStack[$i].EndsWith("tmp_proj"))
            {
                $projectStack[$i] = $projectStack[$i-1]
            }
            #$warnings += New-Object BuildWarning("", $projectStack[$i], "") # for troubleshooting
            $projWarningKeys.Clear()
        }
        elseif ($content -match '^(?<warningMessage>.*warning (?<warningCode>\w*): .*)$')
        {
            [BuildWarning] $newWarning = New-Object BuildWarning($sln, $projectStack[$i-1], $matches['warningMessage'], $matches['warningCode'])
            # avoid duplicates
            if ( -not $projWarningKeys.Contains($newWarning.Key))
            {
                $warnings += $newWarning
                $projWarningKeys.Add($newWarning.Key)
            }
        }
    }
}

[System.Int32] $warningCount = $warnings | where { $_.WarningMessage -ne "" } | measure | % { $_.Count }
Write-Host "$warningCount warnings"

# Set TeamCity status/statistic"
Write-Host
Write-Host "##teamcity[buildStatus text='{build.status.text}; Build warnings: $warningCount']"
Write-Host "##teamcity[buildStatisticValue key='buildWarnings' value='$warningCount']"


Write-Host
Write-Host "============================================================"
Write-Host "Writing warnings file"
Write-Host

# file output
[string] $warningFileRelativePath = Join-Path $BuildCheckoutDirectoryPath "BuildWarnings.txt"
Write-Host ("Writing " + $warningFileRelativePath)
$stream = [System.IO.StreamWriter] (Join-Path (pwd) $warningFileRelativePath )
$stream.WriteLine("#Build Warnings")
$stream.WriteLine("#" + $warningCount + " warnings")
$stream.WriteLine("#Generated " + (Get-Date -format g))
$stream.WriteLine("#====================================")
$warnings | where { $_.WarningMessage -ne "" } | Sort-Object Key | foreach { $stream.WriteLine($_.Key) }
$stream.Close()

# Publish as artifact (needs to be visible to allow guest download)
Write-Host ("##teamcity[publishArtifacts 'BuildWarnings.txt => BuildWarnings.zip']")


# Getting previous warnings
if (-not [string]::IsNullOrEmpty($BuildArtifactRepositoryUrl)) {

    Write-Host
    Write-Host "============================================================"
    Write-Host "Getting previous warnings, determining new/old"
    Write-Host

    [System.Collections.ArrayList] $previousWarnings = @()

    # Retrieve prior warnings; first try last completed build (even if tests failed build, still use that list of warnings)
    [string] $previousWarningsUrl = $BuildArtifactRepositoryUrl + ".lastFinished/BuildWarnings.zip!BuildWarnings.txt?guest=1"
    Write-Host ("Retrieving " + $previousWarningsUrl)
    try
    {
        $previousWarnings = ((new-object Net.WebClient).DownloadString($previousWarningsUrl)) -split "`r`n"
    }
    catch
    {
        Write-Host $Error

        # Retrieve prior warnings (if lastFinished not found, try lastSuccessful)
        $previousWarningsUrl = $BuildArtifactRepositoryUrl + ".lastSuccessful/BuildWarnings.zip!BuildWarnings.txt?guest=1"
        Write-Host ("Retrieving " + $previousWarningsUrl)
        try
        {
            $previousWarnings = ((new-object Net.WebClient).DownloadString($previousWarningsUrl)) -split "`r`n"
        }
        catch
        {
            Write-Host $Error
        }
    }

    # Remove header block and trailing blank line
    $previousWarnings = $previousWarnings | where { -not $_.StartsWith("#") -and $_ -ne "" }

    Write-Host ("Previous warnings: " + $previousWarnings.Count)


    # Mark New warnings, count new/old
    $warnings | where { $previousWarnings -notcontains $_.Key } | % { $_.IsNew = $true }
    [int] $newCount = $warnings | where { $_.WarningMessage -ne "" -and $_.IsNew } | measure | % { $_.Count }
    [int] $oldCount = $warningCount - $newCount
    Write-Host
    Write-Host ("Of the " + $warningCount + " current warnings, " + $newCount + " are new, " + $oldCount + " are old")


    # Amend TeamCity status
    Write-Host
    Write-Host ("##teamcity[buildStatus text='{build.status.text}; Build warnings: $warningCount (+" + $newCount + "/-" + ($previousWarnings.Count - $oldCount) + ")']")
}


Write-Host
Write-Host "============================================================"
Write-Host "Writing warnings report"
Write-Host

[string] $warningReportRelativePath = Join-Path $BuildCheckoutDirectoryPath "BuildWarningReport.html"
Write-Host ("Writing " + $warningReportRelativePath)
$stream = [System.IO.StreamWriter] (Join-Path (pwd) $warningReportRelativePath )
$stream.WriteLine("<!DOCTYPE html>
<html>
<head>
    <!-- relies on TeamCity's jQuery - another option would be to use a CDN -->
    <script src=`"/js/jquery/jquery-1.11.1.min.js`"></script>

    <style>
        body {
            font: 82%/1.5em `"Helvetica Neue`", Arial, sans-serif;
            text-rendering: optimizeLegibility;
        }
        span.filter {
            display: inline-block;
            background-color: #FC0;
            white-space: nowrap;
            padding:  1px 6px 0px 4px;
            border: 1px solid white;
            border-radius: 6px;
        }
        span.filter > input[type=checkbox] { vertical-align: top; }
        span.filter.outline { border-color: black; }
        span.filter.red { background-color: #F30; }
        span.filter.gray { background-color: #CCC; }
        li.warning.new { color: #F30; }
        span.filter.hide, .hide-wc, .hide-state { display: none; }
    </style>

    <script type=`"text/javascript`">

        function refreshTree() {

            // Show all filtered-out projects and collapsed solutions/projects
            `$('li.sln, li.proj, li > ul').show();

            // Hide projects with 0 warnings (based on current filter)
            if (!`$('#showAllSolutions').prop('checked'))
                `$('li.sln, li.proj').each(function( index ) {
                    `$(this).toggle(`$(this).find('ul li.warning:visible').length > 0);
                });

            // Update counts (based on current filter)
            `$('li.sln, li.proj').each(function( index ) {
                `$(this).find('label').html(`$(this).find('label').attr('data-value') + ' (' + `$(this).find('ul li.warning:visible').length + ')');
            });

            // Re-collapse collapsed projects
            `$('li.collapsed > ul').hide();

        }

        `$(document).ready(function() {

            // If JS is supported, show filters and initialize counts
            `$('.hide').removeClass('hide');
            refreshTree();

            // Setup handler for new/old filters
            `$('span.filter > input[type=checkbox][data-warning-state]').change(function() {
                `$('.' + `$(this).attr('data-warning-state')).toggleClass('hide-state', !`$(this).prop('checked'));
                refreshTree();
            });

            // Setup handler for 'all/none' checkbox
            `$('#allCodes').change(function() {
                var checked = `$(this).prop('checked');
                `$('span.filter > input[type=checkbox][data-code]').prop('checked', checked);
                `$('li[data-code]').toggleClass('hide-wc', !checked);
                refreshTree();
            });

            // Setup click handlers for filters, to show/hide warnings
            `$('span.filter > input[type=checkbox][data-code]').change(function() {
                `$('li[data-code=' + `$(this).attr('data-code') + ']').toggleClass('hide-wc', !`$(this).prop('checked'));

                // setup 'all/none' checkbox
                var checkedCount = `$('span.filter > input[data-code]:checked').length;
                var uncheckedCount = `$('span.filter > input[data-code]:not(:checked)').length;
                `$('#allCodes').prop('checked', (uncheckedCount == 0));
                `$('#allCodes').prop('indeterminate', (checkedCount > 0 && uncheckedCount > 0));

                refreshTree();
            });


            `$('#expandAll').click(function() {
                `$('li.collapsed').removeClass('collapsed');
                refreshTree();
            });
            `$('#collapseAll').click(function() {
                `$('li.sln, li.proj').addClass('collapsed');
                refreshTree();
            });


            `$('#showAllSolutions').change(function() {
                refreshTree();
            });

            // Setup click handler for Solution/Project headers, to collapse/expand
            `$('li > label').click(function() {
                `$(this).parent().toggleClass('collapsed');
                refreshTree();
            });

            // Setup click handler for warning, to highlight the corresponding filter
            `$('li.warning').click(function(ev) {
                `$('.outline').removeClass('outline');
                `$('span.filter > input[data-code=' + `$(this).attr('data-code') + ']').parent().addClass('outline');
                ev.stopPropagation();
            });
            // Setup click handler for document, to remove highlight
            `$(document).click(function() {
                `$('.outline').removeClass('outline');
            });

        });

    </script>

</head>
<body>
  <h1>Build Warnings ($warningCount)</h1>")

# Filters
if ($warningCount -gt 0)
{
    $stream.WriteLine("  <div>")
    if (($newCount -gt 0) -and ($oldCount -gt 0))
    {
        $stream.WriteLine("    <span class='filter hide red'><input type='checkbox' checked='checked' data-warning-state='new' />New ($newCount)</span>")
        $stream.WriteLine("    <span class='filter hide gray'><input type='checkbox' checked='checked' data-warning-state='old' />Old ($oldCount)</span>")
    }
    $stream.WriteLine("    <span class='filter hide'><input type='checkbox' checked='checked' id='allCodes' /></span>")
    $warnings | Group-Object WarningCode | where { $_.Name -ne "" } | sort Count -Descending | foreach { "<span class='filter hide'><input type='checkbox' checked='checked' data-code='$($_.Name)'/>$($_.Name) ($($_.Count))</span>" } | foreach { $stream.WriteLine("    " + $_) }
    $stream.WriteLine("    <span class='filter hide gray' title='Expand all solutions and projects' id='expandAll'>Expand All</span>")
    $stream.WriteLine("    <span class='filter hide gray' title='Collapse all solutions and projects' id='collapseAll'>Collapse All</span>")
    $stream.WriteLine("    <span class='filter hide gray' title='Show solutions with no warnings'><input type='checkbox' id='showAllSolutions' />Show All Solutions</span>")
    $stream.WriteLine("  </div>")
}

# Warnings hierarchy
$stream.WriteLine("  <ul>")
[string] $currSln = ""
[string] $currProj = ""
foreach ($warning in $warnings)
{
    # for troubleshooting
    #$stream.WriteLine("    <!-- $currSln|$currProj - $("$($warning.IsNew)|$($warning.Key)")-->")

    # Check solution/project, open new list if necessary
    if ($currProj -ne $warning.Project -or $currSln -ne $warning.Solution)
    {
        if ($currProj -ne "")
        {
            $stream.WriteLine("          </ul>")
            $stream.WriteLine("        </li>")
            $currProj = ""
        }
        if ($currSln -ne $warning.Solution)
        {
            if ($currSln -ne "")
            {
                $stream.WriteLine("      </ul>")
                $stream.WriteLine("    </li>")
            }
            $stream.WriteLine("    <li class='sln collapsed'>")
            $stream.WriteLine("      <label data-value=`"$($warning.Solution)`">$($warning.Solution)</label>")
            $stream.WriteLine("      <ul>")
            $currSln = $warning.Solution
        }
        if ($warning.Project -ne "")
        {
            $stream.WriteLine("        <li class='proj collapsed'>")
            $stream.WriteLine("          <label data-value=`"$($warning.Project)`">$($warning.Project)</label>")
            $stream.WriteLine("          <ul>")
            $currProj = $warning.Project
        }
    }

    # Write list item
    if ($warning.WarningMessage -ne "")
    {
        $stream.WriteLine("            <li class='warning $(if ($warning.IsNew) { "new" } else { "old" })' data-code='$($warning.WarningCode)'>$([System.Web.HttpUtility]::HtmlEncode($warning.WarningMessage))</li>")
    }
}
$stream.WriteLine("
          </ul>
        </li>
      </ul>
    </li>
  </ul>

  <div>$(Get-Date -format g)</div>

</body>
</html>")
$stream.Close()

# Publish as artifact
Write-Host ("##teamcity[publishArtifacts 'BuildWarningReport.html => .teamcity/BuildWarningReport.zip']")


Write-Host
Write-Host "Complete"
	Param
	(
	[parameter(Mandatory=$true)][string]
	$BuildLogPath,

	[parameter(Mandatory=$true)][string]
	$BuildCheckoutDirectoryPath,

	[parameter()][string]
	$BuildArtifactRepositoryUrl
	)

	<#
	BuildWarningReportGenerator.ps1
	Processes an MSBuild log, and creates a report of build warnings; integrates with TeamCity

	Local Test:
	.\BuildWarningReportGenerator.ps1 -BuildLogPath "<path to build log directory>\BuildLog.log" -BuildCheckoutDirectoryPath "<path to build checkout directory>\" -BuildArtifactRepositoryUrl "http://<server:port>/repository/download/<build configuration id>/"
	#>

	Write-Host
	Write-Host "================================================================================"
	Write-Host $MyInvocation.MyCommand.Name
	Write-Host



	Add-Type -AssemblyName System.Web
	Add-Type -TypeDefinition @"
	using System.Text.RegularExpressions;
	public class BuildWarning
	{
	public string Solution { get; private set; }
	public string Project { get; private set; }
	public string WarningMessage { get; private set; }
	public string WarningCode { get; private set; }
	public string Key { get; private set; }
	public bool IsNew { get; set; }

	private static readonly Regex warningMessageKeyRegex = new Regex(@"^(?<before>.)\([0-9,]+\)(?<after>: warning .)$");

	public BuildWarning(string solution, string project, string warningMessage, string warningCode)
	{
	Solution = solution;
	Project = project;
	WarningMessage = warningMessage;
	WarningCode = warningCode;

	var match = warningMessageKeyRegex.Match(WarningMessage);
	Key = Solution + "\|" + Project + "\|" + match.Groups["before"].Value + match.Groups["after"].Value;
	}
	}
	"@



	Write-Host "============================================================"
	Write-Host "Getting warnings"
	Write-Host

	[string] $sln
	[System.Collections.Generic.Dictionary``2[int,string]] $projectStack = New-Object "System.Collections.Generic.Dictionary``2[int,string]"
	[System.Collections.Generic.List``1[BuildWarning]] $warnings = New-Object "System.Collections.Generic.List``1[BuildWarning]"
	[System.Collections.Generic.List``1[string]] $projWarningKeys = New-Object "System.Collections.Generic.List``1[string]"
	Foreach ($line in Get-Content -ErrorAction Stop $BuildLogPath)
	{
	if ($line -match '^(?<leadingSpace> +)(?<content>\S.*)$')
	{
	[int] $i = $matches['leadingSpace'].Length / 4
	[string] $content = $matches['content']

	if ($content -match '^Project .* is building ".\\(?<solution>.\.sln)" .*$')
	{
	$sln = $matches['solution']
	$warnings += New-Object BuildWarning($sln, "", "", "")
	}
	elseif ($content -match '^Project .* is building ".\\(?<project>.?)" .*$')
	{
	$projectStack[$i] = $matches['project']
	if ($projectStack[$i].EndsWith("tmp_proj"))
	{
	$projectStack[$i] = $projectStack[$i-1]
	}
	#$warnings += New-Object BuildWarning("", $projectStack[$i], "") # for troubleshooting
	$projWarningKeys.Clear()
	}
	elseif ($content -match '^(?<warningMessage>.warning (?<warningCode>\w): .*)$')
	{
	[BuildWarning] $newWarning = New-Object BuildWarning($sln, $projectStack[$i-1], $matches['warningMessage'], $matches['warningCode'])
	# avoid duplicates
	if ( -not $projWarningKeys.Contains($newWarning.Key))
	{
	$warnings += $newWarning
	$projWarningKeys.Add($newWarning.Key)
	}
	}
	}
	}

	[System.Int32] $warningCount = $warnings \| where { $_.WarningMessage -ne "" } \| measure \| % { $_.Count }
	Write-Host "$warningCount warnings"

	# Set TeamCity status/statistic"
	Write-Host
	Write-Host "##teamcity[buildStatus text='{build.status.text}; Build warnings: $warningCount']"
	Write-Host "##teamcity[buildStatisticValue key='buildWarnings' value='$warningCount']"



	Write-Host
	Write-Host "============================================================"
	Write-Host "Writing warnings file"
	Write-Host

	# file output
	[string] $warningFileRelativePath = Join-Path $BuildCheckoutDirectoryPath "BuildWarnings.txt"
	Write-Host ("Writing " + $warningFileRelativePath)
	$stream = [System.IO.StreamWriter] (Join-Path (pwd) $warningFileRelativePath )
	$stream.WriteLine("#Build Warnings")
	$stream.WriteLine("#" + $warningCount + " warnings")
	$stream.WriteLine("#Generated " + (Get-Date -format g))
	$stream.WriteLine("#====================================")
	$warnings \| where { $_.WarningMessage -ne "" } \| Sort-Object Key \| foreach { $stream.WriteLine($_.Key) }
	$stream.Close()

	# Publish as artifact (needs to be visible to allow guest download)
	Write-Host ("##teamcity[publishArtifacts 'BuildWarnings.txt => BuildWarnings.zip']")



	# Getting previous warnings
	if (-not [string]::IsNullOrEmpty($BuildArtifactRepositoryUrl)) {

	Write-Host
	Write-Host "============================================================"
	Write-Host "Getting previous warnings, determining new/old"
	Write-Host

	[System.Collections.ArrayList] $previousWarnings = @()

	# Retrieve prior warnings; first try last completed build (even if tests failed build, still use that list of warnings)
	[string] $previousWarningsUrl = $BuildArtifactRepositoryUrl + ".lastFinished/BuildWarnings.zip!BuildWarnings.txt?guest=1"
	Write-Host ("Retrieving " + $previousWarningsUrl)
	try
	{
	$previousWarnings = ((new-object Net.WebClient).DownloadString($previousWarningsUrl)) -split "`r`n"
	}
	catch
	{
	Write-Host $Error

	# Retrieve prior warnings (if lastFinished not found, try lastSuccessful)
	$previousWarningsUrl = $BuildArtifactRepositoryUrl + ".lastSuccessful/BuildWarnings.zip!BuildWarnings.txt?guest=1"
	Write-Host ("Retrieving " + $previousWarningsUrl)
	try
	{
	$previousWarnings = ((new-object Net.WebClient).DownloadString($previousWarningsUrl)) -split "`r`n"
	}
	catch
	{
	Write-Host $Error
	}
	}

	# Remove header block and trailing blank line
	$previousWarnings = $previousWarnings \| where { -not $_.StartsWith("#") -and $_ -ne "" }

	Write-Host ("Previous warnings: " + $previousWarnings.Count)


	# Mark New warnings, count new/old
	$warnings \| where { $previousWarnings -notcontains $_.Key } \| % { $_.IsNew = $true }
	[int] $newCount = $warnings \| where { $_.WarningMessage -ne "" -and $_.IsNew } \| measure \| % { $_.Count }
	[int] $oldCount = $warningCount - $newCount
	Write-Host
	Write-Host ("Of the " + $warningCount + " current warnings, " + $newCount + " are new, " + $oldCount + " are old")


	# Amend TeamCity status
	Write-Host
	Write-Host ("##teamcity[buildStatus text='{build.status.text}; Build warnings: $warningCount (+" + $newCount + "/-" + ($previousWarnings.Count - $oldCount) + ")']")
	}



	Write-Host
	Write-Host "============================================================"
	Write-Host "Writing warnings report"
	Write-Host

	[string] $warningReportRelativePath = Join-Path $BuildCheckoutDirectoryPath "BuildWarningReport.html"
	Write-Host ("Writing " + $warningReportRelativePath)
	$stream = [System.IO.StreamWriter] (Join-Path (pwd) $warningReportRelativePath )
	$stream.WriteLine("<!DOCTYPE html>
	<html>
	<head>
	<!-- relies on TeamCity's jQuery - another option would be to use a CDN -->
	<script src=`"/js/jquery/jquery-1.11.1.min.js`"></script>

	<style>
	body {
	font: 82%/1.5em `"Helvetica Neue`", Arial, sans-serif;
	text-rendering: optimizeLegibility;
	}
	span.filter {
	display: inline-block;
	background-color: #FC0;
	white-space: nowrap;
	padding: 1px 6px 0px 4px;
	border: 1px solid white;
	border-radius: 6px;
	}
	span.filter > input[type=checkbox] { vertical-align: top; }
	span.filter.outline { border-color: black; }
	span.filter.red { background-color: #F30; }
	span.filter.gray { background-color: #CCC; }
	li.warning.new { color: #F30; }
	span.filter.hide, .hide-wc, .hide-state { display: none; }
	</style>

	<script type=`"text/javascript`">

	function refreshTree() {

	// Show all filtered-out projects and collapsed solutions/projects
	`$('li.sln, li.proj, li > ul').show();

	// Hide projects with 0 warnings (based on current filter)
	if (!`$('#showAllSolutions').prop('checked'))
	`$('li.sln, li.proj').each(function( index ) {
	`$(this).toggle(`$(this).find('ul li.warning:visible').length > 0);
	});

	// Update counts (based on current filter)
	`$('li.sln, li.proj').each(function( index ) {
	`$(this).find('label').html(`$(this).find('label').attr('data-value') + ' (' + `$(this).find('ul li.warning:visible').length + ')');
	});

	// Re-collapse collapsed projects
	`$('li.collapsed > ul').hide();

	}

	`$(document).ready(function() {

	// If JS is supported, show filters and initialize counts
	`$('.hide').removeClass('hide');
	refreshTree();

	// Setup handler for new/old filters
	`$('span.filter > input[type=checkbox][data-warning-state]').change(function() {
	`$('.' + `$(this).attr('data-warning-state')).toggleClass('hide-state', !`$(this).prop('checked'));
	refreshTree();
	});

	// Setup handler for 'all/none' checkbox
	`$('#allCodes').change(function() {
	var checked = `$(this).prop('checked');
	`$('span.filter > input[type=checkbox][data-code]').prop('checked', checked);
	`$('li[data-code]').toggleClass('hide-wc', !checked);
	refreshTree();
	});

	// Setup click handlers for filters, to show/hide warnings
	`$('span.filter > input[type=checkbox][data-code]').change(function() {
	`$('li[data-code=' + `$(this).attr('data-code') + ']').toggleClass('hide-wc', !`$(this).prop('checked'));

	// setup 'all/none' checkbox
	var checkedCount = `$('span.filter > input[data-code]:checked').length;
	var uncheckedCount = `$('span.filter > input[data-code]:not(:checked)').length;
	`$('#allCodes').prop('checked', (uncheckedCount == 0));
	`$('#allCodes').prop('indeterminate', (checkedCount > 0 && uncheckedCount > 0));

	refreshTree();
	});


	`$('#expandAll').click(function() {
	`$('li.collapsed').removeClass('collapsed');
	refreshTree();
	});
	`$('#collapseAll').click(function() {
	`$('li.sln, li.proj').addClass('collapsed');
	refreshTree();
	});


	`$('#showAllSolutions').change(function() {
	refreshTree();
	});

	// Setup click handler for Solution/Project headers, to collapse/expand
	`$('li > label').click(function() {
	`$(this).parent().toggleClass('collapsed');
	refreshTree();
	});

	// Setup click handler for warning, to highlight the corresponding filter
	`$('li.warning').click(function(ev) {
	`$('.outline').removeClass('outline');
	`$('span.filter > input[data-code=' + `$(this).attr('data-code') + ']').parent().addClass('outline');
	ev.stopPropagation();
	});
	// Setup click handler for document, to remove highlight
	`$(document).click(function() {
	`$('.outline').removeClass('outline');
	});

	});

	</script>

	</head>
	<body>
	<h1>Build Warnings ($warningCount)</h1>")

	# Filters
	if ($warningCount -gt 0)
	{
	$stream.WriteLine(" <div>")
	if (($newCount -gt 0) -and ($oldCount -gt 0))
	{
	$stream.WriteLine(" <span class='filter hide red'><input type='checkbox' checked='checked' data-warning-state='new' />New ($newCount)</span>")
	$stream.WriteLine(" <span class='filter hide gray'><input type='checkbox' checked='checked' data-warning-state='old' />Old ($oldCount)</span>")
	}
	$stream.WriteLine(" <span class='filter hide'><input type='checkbox' checked='checked' id='allCodes' /></span>")
	$warnings \| Group-Object WarningCode \| where { $_.Name -ne "" } \| sort Count -Descending \| foreach { "<span class='filter hide'><input type='checkbox' checked='checked' data-code='$($_.Name)'/>$($_.Name) ($($_.Count))</span>" } \| foreach { $stream.WriteLine(" " + $_) }
	$stream.WriteLine(" <span class='filter hide gray' title='Expand all solutions and projects' id='expandAll'>Expand All</span>")
	$stream.WriteLine(" <span class='filter hide gray' title='Collapse all solutions and projects' id='collapseAll'>Collapse All</span>")
	$stream.WriteLine(" <span class='filter hide gray' title='Show solutions with no warnings'><input type='checkbox' id='showAllSolutions' />Show All Solutions</span>")
	$stream.WriteLine(" </div>")
	}

	# Warnings hierarchy
	$stream.WriteLine(" <ul>")
	[string] $currSln = ""
	[string] $currProj = ""
	foreach ($warning in $warnings)
	{
	# for troubleshooting
	#$stream.WriteLine(" <!-- $currSln\|$currProj - $("$($warning.IsNew)\|$($warning.Key)")-->")

	# Check solution/project, open new list if necessary
	if ($currProj -ne $warning.Project -or $currSln -ne $warning.Solution)
	{
	if ($currProj -ne "")
	{
	$stream.WriteLine(" </ul>")
	$stream.WriteLine(" </li>")
	$currProj = ""
	}
	if ($currSln -ne $warning.Solution)
	{
	if ($currSln -ne "")
	{
	$stream.WriteLine(" </ul>")
	$stream.WriteLine(" </li>")
	}
	$stream.WriteLine(" <li class='sln collapsed'>")
	$stream.WriteLine(" <label data-value=`"$($warning.Solution)`">$($warning.Solution)</label>")
	$stream.WriteLine(" <ul>")
	$currSln = $warning.Solution
	}
	if ($warning.Project -ne "")
	{
	$stream.WriteLine(" <li class='proj collapsed'>")
	$stream.WriteLine(" <label data-value=`"$($warning.Project)`">$($warning.Project)</label>")
	$stream.WriteLine(" <ul>")
	$currProj = $warning.Project
	}
	}

	# Write list item
	if ($warning.WarningMessage -ne "")
	{
	$stream.WriteLine(" <li class='warning $(if ($warning.IsNew) { "new" } else { "old" })' data-code='$($warning.WarningCode)'>$([System.Web.HttpUtility]::HtmlEncode($warning.WarningMessage))</li>")
	}
	}
	$stream.WriteLine("
	</ul>
	</li>
	</ul>
	</li>
	</ul>

	<div>$(Get-Date -format g)</div>

	</body>
	</html>")
	$stream.Close()

	# Publish as artifact
	Write-Host ("##teamcity[publishArtifacts 'BuildWarningReport.html => .teamcity/BuildWarningReport.zip']")



	Write-Host
	Write-Host "Complete"