96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
#include "mainwindow.h"
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#include "./ui_mainwindow.h"
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#include "finder.h"
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#include "linear_finder.h"
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#include "parallel_finder.h"
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#include "timer.h"
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#include "word_list_generator.h"
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#include <thread>
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent), ui(new Ui::MainWindow) {
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ui->setupUi(this);
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ui->resultView->setModel(&result_model_);
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ui->searchAlgorithmSelector->setModel(&search_algorithms_);
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setupAlgorithmSelector();
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generateWordList();
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}
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MainWindow::~MainWindow() { delete ui; }
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void MainWindow::setupAlgorithmSelector() {
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search_algorithms_.appendRow(new QStandardItem("Linear search"));
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search_algorithms_.appendRow(new QStandardItem("Parallel search"));
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}
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void MainWindow::generateWordList() {
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Timer timer;
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word_list_ = WordListGenerator().generate();
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timer.stop();
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std::stringstream status_message;
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status_message << "generated " << word_list_.size() << " words in " << timer;
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ui->mainStatusBar->showMessage(QString::fromStdString(status_message.str()));
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QStringList words;
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for (auto word : word_list_) {
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words.append(QString::fromStdString(word));
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}
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result_model_.setStringList(words);
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}
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void MainWindow::search(const QString &search_term) {
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if (search_term.isEmpty()) {
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result_model_.setStringList(QStringList());
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ui->mainStatusBar->clearMessage();
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return;
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}
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Timer timer;
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const auto finder = createSelectedFinder();
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const auto results = finder->find_prefix(search_term.toStdString());
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timer.stop();
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std::stringstream status_message;
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status_message << "search took " << timer << ", found " << results.size()
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<< " results";
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ui->mainStatusBar->showMessage(QString::fromStdString(status_message.str()));
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showResults(results);
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}
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std::unique_ptr<Finder> MainWindow::createSelectedFinder() const {
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auto selectedFinder = ui->searchAlgorithmSelector->currentIndex();
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switch (selectedFinder) {
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case 0:
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default:
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return std::make_unique<LinearFinder>(word_list_);
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case 1:
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return std::make_unique<ParallelFinder>(
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word_list_, std::thread::hardware_concurrency());
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}
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}
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void MainWindow::showResults(const std::vector<const std::string *> &results) {
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QStringList ui_results;
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for (auto word : results) {
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ui_results.append(QString::fromStdString(*word));
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}
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result_model_.setStringList(ui_results);
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}
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void MainWindow::on_searchInput_textChanged(const QString &search_term) {
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search(search_term);
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}
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void MainWindow::on_searchAlgorithmSelector_currentIndexChanged(int) {
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search(ui->searchInput->displayText());
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}
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