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feat: add post processor support to console app

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Load IPostProcessor plugin DLLs from Posts/ directory (same convention
as the WinForms app) and run them after nesting via --post <name>.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
AJ Isaacs
2026-03-23 01:51:45 -04:00
parent 0246073b31
commit 7e4040ba08
1 changed files with 122 additions and 0 deletions
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122
OpenNest.Console/Program.cs
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@@ -7,6 +7,7 @@ using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading;
return NestConsole.Run(args);
@@ -20,6 +21,12 @@ static class NestConsole
if (options == null)
return 0; // --help was requested
if (options.ListPosts)
{
ListPostProcessors(options);
return 0;
}
if (options.InputFiles.Count == 0)
{
PrintUsage();
@@ -68,6 +75,7 @@ static class NestConsole
PrintResults(success, plate, elapsed);
Save(nest, options);
PostProcess(nest, options);
return options.CheckOverlaps && overlapCount > 0 ? 1 : 0;
}
@@ -120,6 +128,18 @@ static class NestConsole
case "--engine" when i + 1 < args.Length:
NestEngineRegistry.ActiveEngineName = args[++i];
break;
case "--post" when i + 1 < args.Length:
o.PostName = args[++i];
break;
case "--post-output" when i + 1 < args.Length:
o.PostOutput = args[++i];
break;
case "--posts-dir" when i + 1 < args.Length:
o.PostsDir = args[++i];
break;
case "--list-posts":
o.ListPosts = true;
break;
case "--help":
case "-h":
PrintUsage();
@@ -382,6 +402,100 @@ static class NestConsole
Console.WriteLine($"Saved: {outputFile}");
}
static string ResolvePostsDir(Options options)
{
if (options.PostsDir != null)
return options.PostsDir;
var exePath = Assembly.GetEntryAssembly()?.Location
?? typeof(NestConsole).Assembly.Location;
return Path.Combine(Path.GetDirectoryName(exePath), "Posts");
}
static List<IPostProcessor> LoadPostProcessors(string postsDir)
{
var processors = new List<IPostProcessor>();
if (!Directory.Exists(postsDir))
return processors;
foreach (var file in Directory.GetFiles(postsDir, "*.dll"))
{
try
{
var assembly = Assembly.LoadFrom(file);
foreach (var type in assembly.GetTypes())
{
if (!typeof(IPostProcessor).IsAssignableFrom(type) || type.IsInterface || type.IsAbstract)
continue;
if (Activator.CreateInstance(type) is IPostProcessor processor)
processors.Add(processor);
}
}
catch (Exception ex)
{
Console.Error.WriteLine($"Warning: failed to load post processor from {Path.GetFileName(file)}: {ex.Message}");
}
}
return processors;
}
static void ListPostProcessors(Options options)
{
var postsDir = ResolvePostsDir(options);
var processors = LoadPostProcessors(postsDir);
if (processors.Count == 0)
{
Console.WriteLine($"No post processors found in: {postsDir}");
return;
}
Console.WriteLine($"Post processors ({postsDir}):");
foreach (var p in processors)
Console.WriteLine($" {p.Name,-30} {p.Description}");
}
static void PostProcess(Nest nest, Options options)
{
if (options.PostName == null)
return;
var postsDir = ResolvePostsDir(options);
var processors = LoadPostProcessors(postsDir);
var post = processors.FirstOrDefault(p =>
p.Name.Equals(options.PostName, StringComparison.OrdinalIgnoreCase));
if (post == null)
{
Console.Error.WriteLine($"Error: post processor '{options.PostName}' not found");
if (processors.Count > 0)
Console.Error.WriteLine($"Available: {string.Join(", ", processors.Select(p => p.Name))}");
else
Console.Error.WriteLine($"No post processors found in: {postsDir}");
return;
}
var outputFile = options.PostOutput;
if (outputFile == null)
{
var firstInput = options.InputFiles[0];
outputFile = Path.Combine(
Path.GetDirectoryName(firstInput),
$"{Path.GetFileNameWithoutExtension(firstInput)}.cnc");
}
post.Post(nest, outputFile);
Console.WriteLine($"Post: {post.Name} -> {outputFile}");
}
static void PrintUsage()
{
Console.Error.WriteLine("Usage: OpenNest.Console <input-files...> [options]");
@@ -407,6 +521,10 @@ static class NestConsole
Console.Error.WriteLine(" --check-overlaps Run overlap detection after fill (exit code 1 if found)");
Console.Error.WriteLine(" --no-save Skip saving output file");
Console.Error.WriteLine(" --no-log Skip writing debug log file");
Console.Error.WriteLine(" --post <name> Run a post processor after nesting");
Console.Error.WriteLine(" --post-output <path> Output file for post processor (default: <input>.cnc)");
Console.Error.WriteLine(" --posts-dir <path> Directory containing post processor DLLs (default: Posts/)");
Console.Error.WriteLine(" --list-posts List available post processors and exit");
Console.Error.WriteLine(" -h, --help Show this help");
}
@@ -425,5 +543,9 @@ static class NestConsole
public bool KeepParts;
public bool AutoNest;
public string TemplateFile;
public string PostName;
public string PostOutput;
public string PostsDir;
public bool ListPosts;
}
}