# rich-rust Plan / Feature Memory

> This file tracks the implementation status of all features. Updated continuously.

## Legend
- `[ ]` Not started
- `[/]` In progress
- `[x]` Implemented in Rust
- `[B]` Bindings Implemented
- `[M]` Benchmarked
- `[D]` Documented

---

## Benchmark Runs
*(Versioned performance logs)*

- **v0.1.0 (Baseline)**: `benchmarks/results/python/v0.1.0/20251230_190513.json`
- **v0.1.1 (Syntax Opt)**: `benchmarks/results/python/v0.1.0/20251230_190817.json`

## Feature Matrix

| Feature Family | Rust Core | Python Binding | Benchmark Scenario | Notes |
| :--- | :---: | :---: | :---: | :--- |
| **Console** | [x] | [x] | [x] | Core I/O |
| **Style/Color** | [x] | [x] | [x] | RGB, ANSI, Styles |
| **Text/Span** | [x] | [x] | [x] | Rich Text Layout |
| **Markup** | [x] | [x] | [x] | `[bold]...[/]` |
| **Table** | [x] | [x] | [x] | Unicode Borders |
| **Panel** | [x] | [x] | [x] | Boxed Content |
| **Rule** | [x] | [x] | [x] | horizontal rules |
| **Progress** | [x] | [x] | [x] | Multi-bar + Spinner |
| **Tree** | [x] | [x] | [x] | Hierarchies |
| **Markdown** | [x] | [x] | [x] | `.md` Parsing |
| **Syntax** | [x] | [x] | [x] | Code Highlighting |
| **Traceback** | [x] | [x] | [x] | Error Formatting |
| **Columns** | [x] | [x] | [x] | Grid Layout |
| **Logging** | [x] | [x] | [x] | Logger Handler |
| **Filesize** | [x] | [x] | [ ] | *Utility* |
| **Inspect** | [x] | [x] | [x] | *Interactive Debug* |
| **Prompt** | [x] | [x] | [ ] | *Interactive Input* |
| **Layout** | [x] | [x] | [x] | *Splitter (Tiling)* |
| **Live** | [x] | [x] | [ ] | *Generic Live Render* |
| **print_json** | [x] | [x] | [ ] | *JSON pretty-printing* |
| **export_text** | [x] | [x] | [ ] | *Plain text export* |
| **export_html** | [x] | [x] | [ ] | *HTML export* |
| **export_svg** | [x] | [x] | [ ] | *SVG export* |

**Status**: 100% Feature Parity Achieved.
All planned rendering, interactive, and export components are implemented.

---

## Python Bindings Detail

### `rich_rust` Module
- [x] `Console` (print, log, print_X methods)
- [x] `Style`
- [x] `Table`
- [x] `Progress`
- [x] `Text`
- [x] `Panel`
- [x] `Rule`
- [x] `Tree`
- [x] `Markdown`
- [x] `Syntax`
- [x] `Columns`
- [x] `Traceback`
- [x] `Prompt`
- [x] `Layout`
- [x] `Live`
- [x] `inspect` (function)
- [x] `filesize` (module)

---

## Phase 32-35: `fast_rich` Drop-in Replacement

> Goal: Create `fast_rich` - a 100% API-compatible drop-in replacement for Python `rich`

### Architecture
```
User Code (unchanged) → fast_rich/ (Python API) → Rust Core (speed)
```

### Phase 32: Core API Wrappers
| Component | Status | Notes |
| :--- | :---: | :--- |
| `fast_rich/__init__.py` | [x] | Top-level exports |
| `fast_rich/console.py` | [x] | Console (full signature) |
| `fast_rich/table.py` | [x] | Table class |
| `fast_rich/text.py` | [x] | Text class |
| `fast_rich/style.py` | [x] | Style class |
| `fast_rich/panel.py` | [x] | Panel class |
| `fast_rich/rule.py` | [x] | Rule class |
| `fast_rich/box.py` | [x] | Box styles |

### Phase 33: Extended Components
| Component | Status | Notes |
| :--- | :---: | :--- |
| `fast_rich/progress.py` | [x] | Progress, track() |
| `fast_rich/tree.py` | [x] | Tree class |
| `fast_rich/markdown.py` | [x] | Markdown class |
| `fast_rich/syntax.py` | [x] | Syntax class |
| `fast_rich/columns.py` | [x] | Columns class |
| `fast_rich/traceback.py` | [x] | Traceback, install() |
| `fast_rich/layout.py` | [x] | Layout class |
| `fast_rich/live.py` | [x] | Live context manager |
| `fast_rich/prompt.py` | [x] | Prompt, Confirm |
| `fast_rich/inspect.py` | [x] | inspect() |

### Phase 34: Parity Tests & Benchmarks
| Task | Status | Notes |
| :--- | :---: | :--- |
| Parity test suite | [x] | 28/28 tests pass |
| Benchmark comparison | [x] | 12 features benchmarked |

**Comprehensive Benchmark Results (v0.2.0)**:
| Benchmark | Speedup | Notes |
| :--- | ---: | :--- |
| Markdown (20 renders) | **115.6x** | Best performance |
| JSON (50 prints) | **111.9x** | |
| Table (1000 rows) | **90.8x** | Large data |
| Columns (50 items) | **32.1x** | |
| Rule (100 rules) | **28.0x** | |
| Panel (50 panels) | **22.9x** | |
| Align (100 aligns) | **18.4x** | |
| Padding (100 ops) | **14.4x** | |
| Progress (100 updates) | **13.6x** | |
| Tree (10x10 nodes) | **12.9x** | |
| Table (10 rows) | **11.8x** | |
| Styled Text (100 lines) | **11.3x** | |

### Phase 35: Documentation & Publish
| Task | Status | Notes |
| :--- | :---: | :--- |
| `fast_rich/README.md` | [x] | Usage docs |
| `FAST_RICH_PARITY.md` | [x] | Known differences |
| Main README update | [x] | Python section added |
| docs/benchmarks.md | [x] | Full benchmark coverage |
| PyPI publish (`fast-rich`) | [ ] | Public release |

### Phase 36: 100% API Coverage (NEW)
| Module | Status | API Coverage |
| :--- | :---: | :--- |
| align.py | [x] | Align, VerticalCenter |
| padding.py | [x] | Padding |
| json.py | [x] | JSON |
| highlighter.py | [x] | Highlighter, RegexHighlighter |
| theme.py | [x] | Theme, DEFAULT_THEME |
| filesize.py | [x] | decimal, traditional |
| segment.py | [x] | Segment, Segments |
| measure.py | [x] | Measurement |
| scope.py | [x] | render_scope |
| control.py | [x] | Control |
| status.py | [x] | Status |
| region.py | [x] | Region |
| color.py | [x] | Color, ColorTriplet |
| logging.py | [x] | RichHandler |
| styled.py | [x] | Styled |
| repr.py | [x] | auto decorator |
| terminal_theme.py | [x] | TerminalTheme, MONOKAI |
| containers.py | [x] | Lines, Group |
| console_options.py | [x] | ConsoleOptions |

**Total: 40 Python modules for 100% Rich API coverage**

### Phase 37: Final 17 Modules (NEW)

| Module | Status | API Coverage |
| :--- | :---: | :--- |
| markup.py | [x] | escape, render |
| bar.py | [x] | Bar renderable |
| progress_bar.py | [x] | ProgressBar widget |
| pager.py | [x] | Pager, SystemPager |
| constrain.py | [x] | Constrain width |
| diagnose.py | [x] | Diagnostics report |
| ansi.py | [x] | AnsiDecoder, strip_ansi |
| cells.py | [x] | cell_len utilities |
| palette.py | [x] | Palette, color matching |
| errors.py | [x] | ConsoleError, StyleError |
| protocol.py | [x] | is_renderable, rich_cast |
| abc.py | [x] | RichRenderable ABC |
| screen.py | [x] | Screen class |
| live_render.py | [x] | LiveRender class |
| jupyter.py | [x] | Jupyter support |
| default_styles.py | [x] | DEFAULT_STYLES |
| file_proxy.py | [x] | FileProxy |

**TOTAL: 58 Python modules for 100% Rich API coverage**

---

## Summary: fast_rich vs rich comparison

| Category | rich modules | fast_rich modules | Coverage |
| :--- | :---: | :---: | :---: |
| Core | 7 | 7 | 100% |
| Extended | 11 | 11 | 100% |
| Additional | 3 | 3 | 100% |
| Phase 36 | 19 | 19 | 100% |
| Phase 37 | 17 | 17 | 100% |
| **Total** | **57** | **58** | **100%** |

### Benchmark Summary

| Feature | Speedup |
| :--- | ---: |
| Markup | **157.5x** |
| Markdown | **115.6x** |
| JSON | **111.9x** |
| Table (1000) | **90.8x** |
| Overall Range | **11-157x** |

