hash_wasm.cpp

#include <emscripten/bind.h>
#include <sstream>
#include "Hashtable.h"

using namespace emscripten;

// Wrapper class to expose Hashtable with JS-friendly methods
class HashtableWrapper {
private:
    Hashtable* table;

public:
    HashtableWrapper() {
        table = new Hashtable();
    }

    HashtableWrapper(int capacity) {
        table = new Hashtable(capacity);
    }

    ~HashtableWrapper() {
        delete table;
    }

    void insert(int value) {
        table->insert(value);
    }

    void remove(int value) {
        table->remove(value);
    }

    bool contains(int value) {
        return table->contains(value);
    }

    int indexOf(int value) {
        return table->indexOf(value);
    }

    int size() {
        return table->size();
    }

    int capacity() {
        return table->capacity();
    }

    bool empty() {
        return table->empty();
    }

    void clear() {
        table->clear();
    }

    double getLoadFactorThreshold() {
        return table->getLoadFactorThreshold();
    }
};

EMSCRIPTEN_BINDINGS(hash_module) {
    class_<HashtableWrapper>("Hashtable")
        .constructor<>()
        .constructor<int>()
        .function("insert", &HashtableWrapper::insert)
        .function("remove", &HashtableWrapper::remove)
        .function("contains", &HashtableWrapper::contains)
        .function("indexOf", &HashtableWrapper::indexOf)
        .function("size", &HashtableWrapper::size)
        .function("capacity", &HashtableWrapper::capacity)
        .function("empty", &HashtableWrapper::empty)
        .function("clear", &HashtableWrapper::clear)
        .function("getLoadFactorThreshold", &HashtableWrapper::getLoadFactorThreshold);
}