NVAPIWrapper/generate_nvapi_interface_table.ps1 at main · terrymacdonald/NVAPIWrapper · GitHub

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param(
    [string]$HeaderPath = (Join-Path $PSScriptRoot "nvapi\\nvapi_interface.h"),
    [string]$OutputPath = (Join-Path $PSScriptRoot "NVAPIWrapper\\NVAPIInterfaceTable.g.cs")
)

if (-not (Test-Path $HeaderPath)) {
    throw "NVAPI interface header not found: $HeaderPath"
}

$lines = Get-Content -Path $HeaderPath
$inTable = $false
$entries = New-Object System.Collections.Generic.List[pscustomobject]

foreach ($line in $lines) {
    if (-not $inTable) {
        if ($line -match 'nvapi_interface_table\[\]\s*=') {
            $inTable = $true
        }
        continue
    }

    if ($line -match "^\\s*\\};") {
        $inTable = $false
        break
    }

    if ($line -match '\{\s*"([^"]+)"\s*,\s*(0x[0-9a-fA-F]+)\s*\}') {
        $entries.Add([pscustomobject]@{
            Name = $matches[1]
            Id = $matches[2]
        }) | Out-Null
    }
}

if ($entries.Count -eq 0) {
    throw "No entries found in nvapi_interface_table in $HeaderPath"
}

$outputLines = New-Object System.Collections.Generic.List[string]
$outputLines.Add("// <auto-generated>")
$outputLines.Add("// Generated by generate_nvapi_interface_table.ps1 from nvapi_interface.h.")
$outputLines.Add("// </auto-generated>")
$outputLines.Add("namespace NVAPIWrapper")
$outputLines.Add("{")
$outputLines.Add("    /// <summary>Managed copy of nvapi_interface_table for QueryInterface lookups.</summary>")
$outputLines.Add("    public static class NVAPIInterfaceTable")
$outputLines.Add("    {")
$outputLines.Add("        /// <summary>Entry in the NVAPI interface table.</summary>")
$outputLines.Add("        public readonly struct Entry")
$outputLines.Add("        {")
$outputLines.Add("            /// <summary>Create a new interface table entry.</summary>")
$outputLines.Add("            public Entry(string name, uint id)")
$outputLines.Add("            {")
$outputLines.Add("                Name = name;")
$outputLines.Add("                Id = id;")
$outputLines.Add("            }")
$outputLines.Add("")
$outputLines.Add("            /// <summary>NVAPI function name.</summary>")
$outputLines.Add("            public string Name { get; }")
$outputLines.Add("")
$outputLines.Add("            /// <summary>NVAPI function ID for QueryInterface.</summary>")
$outputLines.Add("            public uint Id { get; }")
$outputLines.Add("        }")
$outputLines.Add("")
$outputLines.Add("        /// <summary>All known NVAPI interface table entries.</summary>")
$outputLines.Add("        public static readonly Entry[] Entries = new Entry[]")
$outputLines.Add("        {")

foreach ($entry in $entries) {
    $idLiteral = $entry.Id.ToLowerInvariant() + "u"
    $nameLiteral = $entry.Name.Replace('"', '\"')
    $outputLines.Add("            new Entry(`"$nameLiteral`", $idLiteral),")
}

$outputLines.Add("        };")
$outputLines.Add("    }")
$outputLines.Add("}")

$outputDir = Split-Path -Path $OutputPath -Parent
if (-not (Test-Path $outputDir)) {
    New-Item -Path $outputDir -ItemType Directory | Out-Null
}

Set-Content -Path $OutputPath -Value $outputLines -Encoding ASCII
Write-Output "Generated: $OutputPath"