pcbjam/wasm/bindings/pcbnew_embind.cpp

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/*
* Embind bindings for KiCad WASM
* Exposes core PCBnew objects to JavaScript
*
* This provides a foundation for future Pyodide integration.
*
* Note: GetBoard() is not available when KICAD_SCRIPTING=OFF.
* These bindings expose the classes for use when a board reference
* is obtained through other means (e.g., from the UI).
*/
#ifdef __EMSCRIPTEN__
#include <emscripten/bind.h>
#include <board.h>
#include <footprint.h>
#include <pad.h>
#include <vector>
using namespace emscripten;
// Wrapper to return footprints as vector for JS iteration
std::vector<FOOTPRINT*> Board_GetFootprints(BOARD* board) {
if (!board) return {};
std::vector<FOOTPRINT*> result;
for (FOOTPRINT* fp : board->Footprints()) {
result.push_back(fp);
}
return result;
}
// Wrapper to return pads as vector
std::vector<PAD*> Footprint_GetPads(FOOTPRINT* fp) {
if (!fp) return {};
std::vector<PAD*> result;
for (PAD* pad : fp->Pads()) {
result.push_back(pad);
}
return result;
}
// Wrapper for GetFileName since it returns wxString
std::string Board_GetFileName(BOARD* board) {
if (!board) return "";
return board->GetFileName().ToStdString();
}
// Wrapper for footprint reference
std::string Footprint_GetReference(FOOTPRINT* fp) {
if (!fp) return "";
return fp->GetReference().ToStdString();
}
// Wrapper for footprint value
std::string Footprint_GetValue(FOOTPRINT* fp) {
if (!fp) return "";
return fp->GetValue().ToStdString();
}
// Wrapper for pad number
std::string Pad_GetNumber(PAD* pad) {
if (!pad) return "";
return pad->GetNumber().ToStdString();
}
// Wrapper for pad pin function
std::string Pad_GetPinFunction(PAD* pad) {
if (!pad) return "";
return pad->GetPinFunction().ToStdString();
}
EMSCRIPTEN_BINDINGS(pcbnew) {
// Register vector types for iteration
register_vector<FOOTPRINT*>("FootprintVector");
register_vector<PAD*>("PadVector");
// Helper functions that operate on pointers
// Note: GetBoard() not available - will be added when Pyodide integration is done
function("Board_GetFootprints", &Board_GetFootprints, allow_raw_pointers());
function("Board_GetFileName", &Board_GetFileName, allow_raw_pointers());
function("Footprint_GetPads", &Footprint_GetPads, allow_raw_pointers());
function("Footprint_GetReference", &Footprint_GetReference, allow_raw_pointers());
function("Footprint_GetValue", &Footprint_GetValue, allow_raw_pointers());
function("Pad_GetNumber", &Pad_GetNumber, allow_raw_pointers());
function("Pad_GetPinFunction", &Pad_GetPinFunction, allow_raw_pointers());
}
#endif