68 lines
3.0 KiB
Markdown
68 lines
3.0 KiB
Markdown
# CLAUDE.md
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This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
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## Project Overview
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DrillTools (钻带处理工具) is a Windows desktop application for processing PCB drill tape files. It parses drill tape data, displays tool information (tool number, diameter, hole count, parameters), and supports reordering tools with various sorting methods.
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## Build & Run
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```bash
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dotnet build # Build the project
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dotnet build -c Release # Build in Release mode
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dotnet publish # Publish as single-file exe (win-x86)
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```
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Target: .NET 6.0, WPF, x86 only. No external NuGet dependencies.
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No test framework is configured. Do not write unit tests for this project.
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## Architecture
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**MVVM pattern** with three windows:
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- **MainWindow** — primary UI for loading, viewing, and reordering drill tape tools
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- **ToolDetailWindow** — displays detailed tool parameters
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- **ToolReorderConfirmationWindow** — confirmation dialog for reorder operations
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**Key files:**
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| File | Role |
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| `MainWindowViewModel.cs` (~2400 lines) | Central business logic: tool management, drill tape parsing/generation, sort seed management, reference tape comparison |
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| `DrillTapeProcessor.cs` | Core drill tape parsing engine (`DrillTools.Integration` namespace) |
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| `ToolItem.cs` | Data model for drill tools (implements `INotifyPropertyChanged`) |
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| `SlotHoleCalculator.cs` | Geometry calculations for slot hole counts and positions |
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| `DragDropHelper.cs` | WPF ListView drag-drop with visual insertion indicator |
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**Namespaces:** `DrillTools` (UI/models), `DrillTools.Integration` (parsing logic).
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## Drill Tape Format
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The app parses a specific PCB drill tape format:
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```
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M48 ← Header start
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T01C0.799H05000Z+0.000S060.00 ← Tool definitions (Txx=tool#, C=diameter, rest=machine params)
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T02C0.656H01500Z+0.150S070.00
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% ← Header end / data start
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T01 ← Active tool
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X-167525Y013500 ← Hole coordinates
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X-069659Y016450G85X-094159Y016450 ← Slot hole (start G85 end)
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M30 ← End of file
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```
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Supported file extensions: `.txt`, `.drl`, `.dr2`, `.dpin`
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**Tool types by diameter suffix digit:** 0/8/9=Drill, 1=Slot, 2/6=EA Slot, 3=Dust Slot, 4=Deburr, 5=NonStandard, 7=Special.
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## Important Technical Details
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- **File encoding**: ANSI/GB2312 (code page 936) — drill tape files use this encoding, not UTF-8
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- **Encrypted file reading**: Uses `cmd.exe /c type` to read drill tape files (some files are "encrypted" and cannot be read directly via standard file I/O)
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- **Slot hole calculation**: Uses CAM350 standard tolerance (0.0127mm) for computing hole counts along slot paths
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- **Backup strategy**: Creates `.bak` files when saving modified drill tape data
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- **Command-line support**: App accepts a file path argument to auto-load a drill tape file on startup
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- **Documentation**: All docs under `Docs/` are in Chinese (Simplified). The UI is also in Chinese.
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