Files
essim/doc
François 7d307dad57 Export command (CSV + ODS), file dialog, error modal, path persistence.
New user-facing features:
- `export connections <file>` writes a tabular dump of every wire pair:
  connection, transform, left/right module/part/pin/signal/type/suspect,
  mixed-types flag. Dispatch on extension: `.csv` (flat file) or `.ods`
  (one sheet per connection). Any other extension shows an error and
  writes nothing.
- Bare `export` (or dashboard `[x]`, or palette `export`) opens an
  interactive file-picker dialog with a CSV/ODS toggle at the top.
  Picking a filter rewrites the filename's extension. Last-used
  directory and filename are remembered per-call-site.
- Two new CLI flags on the binary: `--source FILE` to run a script at
  boot, `--restore FILE` to restore a snapshot at boot. Combinable.

Reusable infrastructure:
- `OdsWriter` (`src/imports/ods_writer.{hpp,cpp}`): minimal .ods writer
  using libzip + pugixml (already in the build for the importer).
  Multi-sheet workbook of string cells. ~180 lines, no new dep.
- Generic file-picker dialog (`screen_filedialog.cpp`): one Modal
  reused for any "pick a path" interaction via
  `OpenFileDialog(title, persist_key, default_filename, filters, cb)`.
  Validates the picked extension against the filter whitelist;
  unknown ones stay in the dialog with a status message. Persists
  (dir, filename) per `persist_key`.
- Generic error modal (`screen_error.cpp`, `ShowError(msg)`): centred
  red-titled popup, dismissable with Esc/Enter. Used by the export
  failures (open-for-write, ODS save, unknown extension/kind);
  ready for adoption elsewhere.
- Per-key path persistence (`SaveLastUsed`/`LoadLastUsed` in
  `shell.cpp`): two-line file per key under the user-data dir.
- `UserDataDir()` extracted from the history path helper so the new
  per-key persistence shares the same XDG/AppData logic.
- New help-screen topic "Export"; user-facing `doc/user/analysis.md`
  gains an "Exporting" section; `DESIGN.md` gains a generics
  section covering the dialog / error modal / persistence / ODS
  writer; `DumpCommandsMd` now respects the `hidden` flag (the
  `connect` alias no longer appears in the auto-gen reference).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-16 12:03:39 +02:00
..
2025-04-21 18:19:37 +02:00

essim documentation

Auto-generated API reference and high-level design notes for the essim system digital twin.

Layout

  • user/user-facing docs (hand-written intro/tutorial
  • api/developer-facing API reference (Doxygen XML → custom Markdown emitter). Browse classes and files directly in gitea's Markdown renderer. Top page: api/index.md.
  • ../DESIGN.md — implementation notes: domain conventions, TUI flow, gotchas. Hand-maintained.
  • classes.puml — PlantUML class diagram for the domain model. Render with plantuml classes.puml for a PNG/SVG.
  • Doxyfile.in / gen_api_md.py — the toolchain (templated Doxygen config + custom XML→Markdown emitter).

Regenerating the API reference

The Markdown tree under doc/api/ is committed so it's readable directly on gitea. After substantive code changes, regenerate it:

# 1. Tooling (once): Doxygen, plus a Python 3 interpreter (already on Arch).
pacman -S doxygen

# 2. Configure once (or after editing doc/Doxyfile.in):
cmake -S . -B build

# 3. Regenerate:
cmake --build build --target doc

# 4. Review and commit the updated doc/api/ tree:
git add doc/api/
git status doc/api/

Pipeline:

src/**/*.{hpp,cpp}  ──┐
README.md            ─┼─► doxygen ─► build/doc/xml/  ─► gen_api_md.py ─► doc/api/
DESIGN.md            ─┘            (Doxyfile.in)

(built essim) ────────► essim --commands-md ──────────────────────────► doc/user/commands.md

doc/user/index.md and doc/user/scripting.md are hand-written; only doc/user/commands.md is regenerated. The doc target depends on the essim binary so a stale build is rebuilt before the dump is taken.

If either Doxygen or Python 3 is missing at CMake-configure time the doc target is silently disabled (the regular build still works) and a status line is emitted in the CMake log telling you which one to install.

Why a custom emitter rather than doxybook2 / moxygen

  • doxybook2 is not packaged in Arch / AUR and gets stale upstream.
  • moxygen drags Node into a pure-C++ project.
  • The emitter is one Python file (gen_api_md.py, ~330 lines) with zero external dependencies — easy to read, easy to tweak, robust to Doxygen version changes (the XML schema is stable).

Tailor the output by editing gen_api_md.py directly: add columns to the class table, change the source-link format, group sections differently, etc.

Comment style

The codebase uses standard Doxygen markers:

  • /// for single-line briefs.
  • /** … */ for multi-line blocks.
  • @param, @return, @brief (or @short) tags inside blocks.
  • @throws for exceptions a function may raise.

JAVADOC_AUTOBRIEF = YES is set so the first sentence of a multi-line comment counts as the brief description without needing an explicit @brief tag.