Designer generator

desinger-generator.ps1

function Convert-Everything([string] $rootDir, [string[]]$languages)
{
    $resources = "$rootDir"
    $neutralStrings = "$resources/strings.xml"
 
    # generate appresources.designer.cs file
    Write-DesignerFile $neutralStrings $neutralResx | Out-File -FilePath 'AppResources.Designer.cs'
    
    # generate neutral appresources.resx
    Convert-StringsToResX $neutralStrings $neutralResx | Out-File -FilePath 'AppResources.resx' -encoding utf8

    # generate appresources.{language}.resx for each language 
    $languages | foreach { 
          $lng = $_
          Convert-StringsToResX "$rootDir/strings.$lng.xml" "$rootDir/windows.$lng.resx" $false | Out-File -FilePath "AppResources.$lng.resx" -encoding utf8
    }
}

function Write-DesignerFile([string] $neutralResource)
{
    [xml]$neutralXml = Get-Content -Path $neutralResource

    Write-DesignerHeader

    # iterate over regular strings
    $nodes = $neutralXml.SelectNodes("/resources/string")
    foreach ($node in $nodes) 
    {
        Write-DesignerProperty $node.name $node.InnerText
    }

    # iterate over plural forms
    $nodes = $neutralXml.SelectNodes("/resources/plurals")
    foreach ($node in $nodes) 
    {
        foreach ($item in $node.SelectNodes("item")) 
        { 
	  # each plural form has a name and quantity, merge those to create a new Resx key - e.g. 'oranges_few', 'orangers_one' etc.
          Write-DesignerProperty "$($node.name)_$($item.quantity)" $item.InnerXml
        }

        Write-PluralMethod $node.name
    }
    Write-DesignerFooter
}

function Write-PluralMethod([string] $name) 
{
    # convert snake_case to TitleCase and append "WithCount(int count)"
    $camel = ($name -csplit '_' | foreach { (Get-Culture).TextInfo.ToTitleCase($_) }) -join ''
    Write-Output "        public string $($camel)WithCount(int count) {
            var key = `"`";
	    switch (count)
            {
                case 1: # one is one
                  key = `"$($name)_one`"; 
                  break;
                case var c when (c < 5): # less than 5 is few
                  key = `"$($name)_few`"; 
                  break;
                default: # 5 and more is other
                  key = `"$($name)_other`"; 
                  break;
            };
            return string.Format(ResourceManager.GetString(key, this.resourceCulture), count);
        }
"
}

function Write-DesignerProperty([string] $name, [string] $value) 
{
    # putting the default (english) value into the documentation comment helps you while writing code and looking for a specific phrase
    $val = $value -replace '\\"', '""' -replace "`n"," " -replace "`r"," "
    # convert snake_case into TitleCase
    $title = ($name -csplit '_' | foreach { (Get-Culture).TextInfo.ToTitleCase($_) }) -join ''
    Write-Output "        /// <summary>
        /// $val
        /// </summary>
        public string $title => ResourceManager.GetString(`"$name`", this.resourceCulture);
"
}