seer/src/SeerFunctionBrowserWidget.cpp

#include "SeerFunctionBrowserWidget.h"
#include "SeerUtl.h"
#include <QtWidgets/QTreeWidget>
#include <QtWidgets/QTreeWidgetItemIterator>
#include <QtWidgets/QLabel>
#include <QtWidgets/QApplication>
#include <QtCore/QFileInfo>
#include <QtCore/Qt>
#include <QtCore/QMap>
#include <QtCore/QDebug>

SeerFunctionBrowserWidget::SeerFunctionBrowserWidget (QWidget* parent) : QWidget(parent) {

    // Construct the UI.
    setupUi(this);

    // Setup the widgets
    functionSearchLineEdit->setPlaceholderText("Search...");
    functionSearchLineEdit->setClearButtonEnabled(true);
    functionTreeWidget->setMouseTracking(true);
  //functionTreeWidget->resizeColumnToContents(0);
    functionTreeWidget->resizeColumnToContents(1);
    functionTreeWidget->resizeColumnToContents(2);
    functionTreeWidget->resizeColumnToContents(3);
    functionTreeWidget->resizeColumnToContents(4);
    functionTreeWidget->resizeColumnToContents(5);
    functionTreeWidget->clear();
    functionTreeWidget->setSortingEnabled(false);

    // Connect things.
    QObject::connect(functionTreeWidget,      &QTreeWidget::itemDoubleClicked,    this,  &SeerFunctionBrowserWidget::handleItemDoubleClicked);
    QObject::connect(functionSearchLineEdit,  &QLineEdit::returnPressed,          this,  &SeerFunctionBrowserWidget::handleSearchLineEdit);
}

SeerFunctionBrowserWidget::~SeerFunctionBrowserWidget () {
}

void SeerFunctionBrowserWidget::handleText (const QString& text) {

    QApplication::setOverrideCursor(Qt::BusyCursor);

    if (text.startsWith("^done,symbols={") && text.endsWith("}")) {

        functionTreeWidget->clear();
        functionTreeWidget->setSortingEnabled(false);
        functionTreeWidget->sortByColumn(-1, Qt::AscendingOrder);

        // -symbol-info-functions
        // ^done,symbols={
        //          debug=[
        //                  {
        //                      filename="elf-init.c",
        //                      fullname="/home/abuild/rpmbuild/BUILD/glibc-2.31/csu/elf-init.c",
        //                      symbols=[
        //                                  {
        //                                      line="95",
        //                                      name="__libc_csu_fini",
        //                                      type="void (void)",
        //                                      description="void __libc_csu_fini(void);"
        //                                  },
        //                                  {
        //                                      line="67",
        //                                      name="__libc_csu_init",
        //                                      type="void (int, char **, char **)",
        //                                      description="void __libc_csu_init(int, char **, char **);"
        //                                  }
        //                              ]
        //                  },
        //                  ...
        //                ]
        //              }

        QString debug_text = Seer::parseFirst(text, "debug=", '[', ']', false);

        QStringList filenames_list = Seer::parse(debug_text, "", '{', '}', false);

        for (const auto& filename_entry : filenames_list) {

            QString filename_text = Seer::parseFirst(filename_entry, "filename=", '"', '"', false);
            QString fullname_text = Seer::parseFirst(filename_entry, "fullname=", '"', '"', false);

            QString symbols_text = Seer::parseFirst(filename_entry, "symbols=", '[', ']', false);

            QStringList symbols_list = Seer::parse(symbols_text, "", '{', '}', false);

            for (const auto& symbol_entry : symbols_list) {

                QString line_text        = Seer::parseFirst(symbol_entry, "line=", '"', '"', false);
                QString name_text        = Seer::parseFirst(symbol_entry, "name=", '"', '"', false);
                QString type_text        = Seer::parseFirst(symbol_entry, "type=", '"', '"', false);
                QString description_text = Seer::parseFirst(symbol_entry, "type=", '"', '"', false);

                // Skip function entries that have no line number.
                if (line_text == "") {
                    continue;
                }

                // Add the function to the tree.
                QTreeWidgetItem* item = new QTreeWidgetItem;

                QFont f0 = item->font(0);
                f0.setBold(true);
                item->setFont(0,f0);

                item->setText(0, name_text);
                item->setText(1, filename_text);
                item->setText(2, line_text);
                item->setText(3, fullname_text);
                item->setText(4, type_text);
                item->setText(5, description_text);

                functionTreeWidget->addTopLevelItem(item);
            }
        }

    }else{
        // Ignore others.
    }

  //functionTreeWidget->resizeColumnToContents(0);
    functionTreeWidget->resizeColumnToContents(1);
    functionTreeWidget->resizeColumnToContents(2);
    functionTreeWidget->resizeColumnToContents(3);
    functionTreeWidget->resizeColumnToContents(4);
    functionTreeWidget->resizeColumnToContents(5);
    functionTreeWidget->sortByColumn(0, Qt::AscendingOrder);
    functionTreeWidget->setSortingEnabled(true);

    QApplication::restoreOverrideCursor();
}

void SeerFunctionBrowserWidget::handleItemDoubleClicked (QTreeWidgetItem* item, int column) {

    Q_UNUSED(column);

    emit selectedFile(item->text(1), item->text(3), item->text(2).toInt());
}

void SeerFunctionBrowserWidget::handleSearchLineEdit () {

    functionTreeWidget->clear();
    functionTreeWidget->setSortingEnabled(false);
    functionTreeWidget->sortByColumn(-1, Qt::AscendingOrder);

  //functionTreeWidget->resizeColumnToContents(0);
    functionTreeWidget->resizeColumnToContents(1);
    functionTreeWidget->resizeColumnToContents(2);
    functionTreeWidget->resizeColumnToContents(3);
    functionTreeWidget->resizeColumnToContents(4);
    functionTreeWidget->resizeColumnToContents(5);

    if (functionSearchLineEdit->text() != "") {
        emit refreshFunctionList(functionSearchLineEdit->text());
    }
}

void SeerFunctionBrowserWidget::refresh () {
    handleSearchLineEdit();
}