configtooldoc.cpp

ecos实时嵌入式操作系统

            wxBusyCursor wait;
            if(OpenRepository(strNewRepository,NewCdlPkgData,NewCdlInterp,NewCdlConfig,strNewPackagesDir))
            {
                // select the "default" template if it exists
                // otherwise select the first available template

                std::string default_template = "default";
                if (! NewCdlPkgData->is_known_template (default_template))
                {
                    const std::vector<std::string>& templates = NewCdlPkgData->get_templates ();
                    if (templates.size () != 0)
                        default_template = templates [0];
                }

                m_templateVersion = "";
                try
                {
                    const std::vector<std::string>& template_versions = NewCdlPkgData->get_template_versions (default_template);
                    NewCdlConfig->set_template (default_template, template_versions [0], &CdlParseErrorHandler, &CdlParseWarningHandler);
                    m_templateVersion = template_versions [0].c_str();
                }
                catch (CdlStringException exception) {
                    wxString msg;
                    msg.Printf(_("Error loading package template '%s':\n\n%s"), default_template.c_str (), exception.get_message ().c_str ());
                    wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
                }
                catch (...) {
                    wxString msg;
                    msg.Printf(_("Error loading package template '%s'."), default_template.c_str ());
                    wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
                }

                // check the configuration
                wxASSERT (NewCdlConfig->check_this (cyg_extreme));

                // use the new package database, interpreter and configuration
                delete m_CdlConfig; // delete the previous configuration
                delete m_CdlInterp; // delete the previous interpreter
                delete m_CdlPkgData; // delete the previous package database

                m_CdlPkgData = NewCdlPkgData;
                m_CdlInterp  = NewCdlInterp;
                m_CdlConfig  = NewCdlConfig;

                // save the repository location

                SetRepository(strNewRepository);
                m_strPackagesDir = strNewPackagesDir;

                // clear the previously specified document file name (if any),
                // OnNewDocument() calls DeleteContents() so must be called
                // before AddAllItems()

                wxDocument::OnNewDocument ();

                // generate the CConfigItems from their CDL descriptions
                AddAllItems ();

                m_bRepositoryOpen=TRUE;

                // Rebuild help index if it needs building
                RebuildHelpIndex(FALSE);

            } else {
                // failure
                delete NewCdlConfig; NewCdlConfig = NULL;
                delete NewCdlInterp; NewCdlInterp = NULL;
                delete NewCdlPkgData; NewCdlPkgData = NULL;

            }

            // install a transaction handler callback function now that the tree exists
            EnableCallbacks(TRUE);
        }

    }
    wxGetApp().SetStatusText(wxEmptyString, FALSE);
    return m_bRepositoryOpen;
}

// Find a valid repository given a directory name
bool ecConfigToolDoc::FindRepository (ecFileName& repositoryIn, ecFileName& repositoryOut) const
{
    if (repositoryIn.IsEmpty())
	return FALSE;
    
    if (ecFileName(repositoryIn + wxT("ecos.db")).Exists())
    {
	repositoryOut = repositoryIn;
	repositoryIn = wxPathOnly(repositoryIn);
	return TRUE;
    }
    else if (ecFileName(ecFileName(repositoryIn) + ecFileName(wxT("ecc")) + wxT("ecos.db")).Exists())
    {
	repositoryOut = repositoryIn + wxT("ecc");
	return TRUE;
    }
    else if (ecFileName(ecFileName(repositoryIn) + ecFileName(wxT("packages")) + wxT("ecos.db")).Exists())
    {
	repositoryOut = repositoryIn + wxT("packages");
	return TRUE;
    }
    else
    {
	return FALSE;
    }
}


bool ecConfigToolDoc::OpenRepository (ecFileName& strNewRepository, CdlPackagesDatabase &NewCdlPkgData,CdlInterpreter &NewCdlInterp,CdlConfiguration &NewCdlConfig, wxString &strNewPackagesDir)
{
    bool rc=FALSE;

    if (strNewRepository.IsEmpty())
        return FALSE;

    ecFileName strNewPackagesDir1;
    if (!FindRepository(strNewRepository, strNewPackagesDir1))
    {
        wxString msg;
        msg.Printf(_("%s does not seem to be a source repository."),
                    (const wxChar*) strNewRepository);
        wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
    } else
    {
                strNewPackagesDir = strNewPackagesDir1;

                const wxString strDatabase = strNewPackagesDir + wxString(wxFILE_SEP_PATH) + wxT("ecos.db");
                if(!wxFileExists(strDatabase))
                {
                    wxString msg;
                    msg.Printf(_("%s does not seem to be a source repository: %s does not exist"), (const wxChar*) strNewRepository, (const wxChar*) strDatabase);
                    wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
                } else
		{

                    // create a CDL repository, interpreter and configuration
                    try {// create a new package database, interpreter and configuration
                        NewCdlPkgData = CdlPackagesDatabaseBody::make ((const wxChar*) strNewPackagesDir, &CdlParseErrorHandler, &CdlParseWarningHandler);
                        NewCdlInterp = CdlInterpreterBody::make ();
                        NewCdlConfig = CdlConfigurationBody::make ("eCos", NewCdlPkgData, NewCdlInterp);
                    }
                    catch (CdlStringException exception)
                    {
                        wxString msg;
                        msg.Printf(_("Error opening eCos repository:\n\n%s"), exception.get_message ().c_str ());
                        wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
                        return FALSE;
                    }
                    catch (...)
                    {
                        wxString msg;
                        msg.Printf(_("Error opening eCos repository."));
                        wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
                        return FALSE;
                    }

                    // select the default target if specified in the registry
                    // otherwise select the first available target
                    wxString default_hardware = GetDefaultHardware ();

                    if (! NewCdlPkgData->is_known_target ((const wxChar*) default_hardware)) {
                        const std::vector<std::string>& targets = NewCdlPkgData->get_targets ();
                        if (targets.size () == 0)
                        {
                            wxString msg;
                            msg.Printf(_("Error opening eCos repository:\n\nno hardware templates"));
                            wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
                            return FALSE;
                        } else {
                            default_hardware = targets [0].c_str();
                        }
                    }

                    try {
                        m_strCdlErrorMessage = wxT("");
                        NewCdlConfig->set_hardware ((const wxChar*) default_hardware, &CdlParseErrorHandler, &CdlParseWarningHandler);
                    }
                    catch (CdlStringException exception) {
                        if (m_strCdlErrorMessage.IsEmpty ())
                        {
                            wxString msg;
                            msg.Printf(_("Error loading the default hardware template '%s':\n\n%s"), default_hardware.c_str (), exception.get_message ().c_str ());
                            wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
                        }
                        else // report the most recent parser message in the message box since there may be no output pane in which to view it
                        {
                            wxString msg;
                            msg.Printf(_("Error loading the default hardware template '%s':\n\n%s\n\nParser message:\n\n%s"), default_hardware.c_str (), exception.get_message ().c_str (), (const wxChar*) m_strCdlErrorMessage);
                            wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
                        }
                        return FALSE;
                    }
                    catch (...) {
                        wxString msg;
                        msg.Printf(_("Error loading the default hardware template '%s':\n\n%s"), default_hardware.c_str (), (const wxChar*) m_strCdlErrorMessage);
                        wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
                        return FALSE;
                    }
                    rc=TRUE;
                }
    }

    return rc;
}

void ecConfigToolDoc::SelectTemplate (const wxString& newTemplate, const wxString& newTemplateVersion)
{
    if ((newTemplate != m_CdlConfig->get_template().c_str()) || (newTemplateVersion != m_templateVersion)){

        wxBusyCursor wait; // this may take a little while
        DeleteItems();

        m_templateVersion = wxT("");
        try
        {
            m_CdlConfig->set_template (newTemplate.c_str(), newTemplateVersion.c_str(), CdlParseErrorHandler, CdlParseWarningHandler);
            m_templateVersion = newTemplateVersion;
        }
        catch (CdlStringException exception)
        {
            wxString msg;
            msg.Printf(wxT("Error loading package template '%s':\n\n%s"), (const wxChar*) newTemplate.c_str (), (const wxChar*) exception.get_message ().c_str ());
            wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
        }
        catch (...)
        {
            wxString msg;
            msg.Printf(wxT("Error loading package template '%s'."), (const wxChar*) newTemplate.c_str ());
            wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
        }
        RegenerateData();

        if (!GetFilename().IsEmpty())
        { // not a new document
#if 0 // TODO
            CopyMLTFiles (); // copy new MLT files to the build tree as necessary
#endif
        }
        Modify(TRUE);
        wxGetApp().GetMainFrame()->UpdateFrameTitle();
    }
}

void ecConfigToolDoc::RegenerateData()
{
    wxBusyCursor wait; // This may take a little while
    AddAllItems (); // regenerate all the config items since the topology may have changed
    if (m_strLinkerScriptFolder.IsEmpty ())
    {
        wxMessageBox(_("The eCos linker script macro CYGBLD_LINKER_SCRIPT is not defined."), wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
    }
    if (m_strMemoryLayoutFolder.IsEmpty ())
    {
        wxMessageBox(_("The eCos memory layout macro CYGHWR_MEMORY_LAYOUT is not defined."), wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
    }
    // TODO
#if 0
    SwitchMemoryLayout (TRUE); // the hardware template may have changed
#endif

    if (GetDocumentSaved() && !wxGetApp().GetSettings().m_editSaveFileOnly)
        UpdateBuildInfo();
    
    // TODO
    // CConfigTool::GetControlView()->SelectItem(Item(0));
}

void ecConfigToolDoc::SelectHardware (const wxString& newTemplate)
{
    const std::string OldTemplate=m_CdlConfig->get_hardware();
    if (newTemplate != OldTemplate.c_str()){
        DeleteItems();

        try
        {
            m_CdlConfig->set_hardware (newTemplate.c_str(), CdlParseErrorHandler, CdlParseWarningHandler);
        }
        catch (CdlStringException exception)
        {
            wxString msg;
            msg.Printf(_("Error loading hardware template '%s':\n\n%s"), (const wxChar*) newTemplate, (const wxChar*) exception.get_message ().c_str ());
            wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
            m_CdlConfig->set_hardware (OldTemplate, CdlParseErrorHandler, CdlParseWarningHandler);
        }
        catch (...)
        {
            wxString msg;
            msg.Printf(_("Error loading hardware template '%s'."), (const wxChar*) newTemplate);
            wxMessageBox(msg, wxGetApp().GetSettings().GetAppName(), wxICON_EXCLAMATION|wxOK);
            m_CdlConfig->set_hardware (OldTemplate, CdlParseErrorHandler, CdlParseWarningHandler);
        }

        RegenerateData();

        // TODO
#if 0
        if (!GetFilename().IsEmpty())
        {
            CopyMLTFiles (); // copy new MLT files to the build tree as necessary
        }
#endif

        Modify(TRUE);
        wxGetApp().GetMainFrame()->UpdateFrameTitle();
    }
}

void ecConfigToolDoc::SelectPackages ()
{
    // Crashes the Cygwin 1.0 compiler
#ifndef __CYGWIN10__
    ecPackagesDialog dlg(wxGetApp().GetTopWindow());

    // This map holds the ecConfigItem pointers for the packages loaded before the dialog is invoked.
    // We cannot use Find(), which traverses all items - potentially those that have been removed
    wxHashTable arLoadedPackages(wxKEY_STRING);

    wxBeginBusyCursor();

    // generate the contents of the add/remove list boxes
    const std::vector<std::string> & packages = m_CdlPkgData->get_packages ();
    std::vector<std::string>::const_iterator package_i;
    for (package_i = packages.begin (); package_i != packages.end (); package_i++)
    {
        //		if (! m_CdlPkgData->is_hardware_package (* package_i)) // do not list hardware packages
        {
            const std::vector<std::string> & aliases = m_CdlPkgData->get_package_aliases (* package_i);
            wxString strMacroName = package_i->c_str ();

            // use the first alias (if any) as the package identifier
            wxString strPackageName = aliases.size () ? aliases [0].c_str () : strMacroName.c_str();
            ecConfigItem * pItem = Find (strMacroName);
            if (pItem) // if the package is loaded
            {
                arLoadedPackages.Put(strMacroName, pItem);
                // pass the currently selected package version string to the dialog box
                const CdlValuable valuable = pItem->GetCdlValuable();
                dlg.Insert (strPackageName, TRUE, wxEmptyString, valuable ? wxString (valuable->get_value ().c_str ()) : wxString());
            }
            else
            {
                // pass version string of the most latest version to the dialog box
                dlg.Insert (strPackageName, FALSE, wxEmptyString, wxString (m_CdlPkgData->get_package_versions (* package_i) [0].c_str ()));
            }
        }
    }

    wxEndBusyCursor();

    if (wxID_OK == dlg.ShowModal ())
    {
        bool bChanged = FALSE; // until proved otherwise

        // determine whether each package has changed loaded/unloaded state
        for (package_i = packages.begin (); package_i != packages.end (); package_i++)
            //			if (! m_CdlPkgData->is_hardware_package (* package_i)) // do not check hardware packages
        {
            const std::vector<std::string> & aliases = m_CdlPkgData->get_package_aliases (* package_i);
            wxString strMacroName = package_i->c_str ();

            // use the first alias (if any) as the package identifier
            wxString strPackageName = aliases.size () ? aliases [0].c_str () : strMacroName.c_str();

            ecConfigItem *pItem = (ecConfigItem *) arLoadedPackages.Get(strMacroName);
            //bool bPreviouslyLoaded=arLoadedPackages.Lookup(strMacroName,(void *&)pItem);
            bool bPreviouslyLoaded = (pItem != NULL);
            bool bNowLoaded=dlg.IsAdded (strPackageName);

            // unload packages which are no longer required before
            // loading new ones to avoid potential duplicate macro definitions
            if (! bNowLoaded && bPreviouslyLoaded){
                // The package was loaded but should now be unloaded:
                bChanged|=pItem->Unload();
            } else if (bNowLoaded) {// if the package should be loaded
                const wxString strVersion(dlg.GetVersion (strPackageName));
                if (bPreviouslyLoaded) { // if the package is already loaded
                    CdlTransactionCallback::set_callback_fn (NULL); // avoid value refresh attempts during load/unload
                    bChanged|=pItem->ChangeVersion(strVersion);
                    CdlTransactionCallback::set_callback_fn (CdlTransactionHandler); // restore value refresh