// TortoiseSVN - a Windows shell extension for easy version control

// Copyright (C) 2009, 2011, 2013-2014, 2017, 2020-2021 - TortoiseSVN

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#include "stdafx.h"
#include "AutoTextTestDlg.h"
#include "HighResClock.h"
#include "AppUtils.h"
#include <regex>
#include <string>

// CAutoTextTestDlg dialog

IMPLEMENT_DYNAMIC(CAutoTextTestDlg, CStandAloneDialog)

CAutoTextTestDlg::CAutoTextTestDlg(CWnd* pParent /*=NULL*/)
    : CStandAloneDialog(CAutoTextTestDlg::IDD, pParent)
{
}

CAutoTextTestDlg::~CAutoTextTestDlg()
{
}

void CAutoTextTestDlg::DoDataExchange(CDataExchange* pDX)
{
    CStandAloneDialog::DoDataExchange(pDX);
    DDX_Text(pDX, IDC_AUTOTEXTREGEX, m_sRegex);
    DDX_Text(pDX, IDC_TESTRESULT, m_sResult);
    DDX_Text(pDX, IDC_TIMINGLABEL, m_sTimingLabel);
    DDX_Control(pDX, IDC_AUTOTEXTCONTENT, m_cContent);
}

BEGIN_MESSAGE_MAP(CAutoTextTestDlg, CStandAloneDialog)
    ON_BN_CLICKED(IDC_AUTOTEXTSCAN, &CAutoTextTestDlg::OnBnClickedAutotextscan)
END_MESSAGE_MAP()

BOOL CAutoTextTestDlg::OnInitDialog()
{
    CStandAloneDialog::OnInitDialog();
    CAppUtils::MarkWindowAsUnpinnable(m_hWnd);

    m_cContent.LimitText(200 * 1024);

    return TRUE;
}

void CAutoTextTestDlg::OnBnClickedAutotextscan()
{
    UpdateData();

    m_sResult.Empty();
    m_sTimingLabel.Empty();
    m_cContent.GetTextRange(0, m_cContent.GetTextLength(), m_sContent);
    if ((!m_sContent.IsEmpty()) && (!m_sRegex.IsEmpty()))
    {
        try
        {
            std::set<CString> autoList;
            std::wstring      s = static_cast<LPCWSTR>(m_sContent);
            CHighResClock     timer;

            std::wregex regCheck;
            regCheck = std::wregex(m_sRegex, std::regex_constants::icase | std::regex_constants::ECMAScript);
            const std::wsregex_iterator end;
            for (std::wsregex_iterator it(s.begin(), s.end(), regCheck); it != end; ++it)
            {
                const std::wsmatch match = *it;
                for (size_t i = 1; i < match.size(); ++i)
                {
                    if (match[i].second - match[i].first)
                    {
                        ATLTRACE(L"matched keyword : %s\n", std::wstring(match[i]).c_str());
                        std::wstring result = std::wstring(match[i]);
                        if (!result.empty())
                        {
                            autoList.insert(result.c_str());
                        }
                    }
                }
            }
            timer.Stop();
            for (std::set<CString>::iterator it = autoList.begin(); it != autoList.end(); ++it)
            {
                m_sResult += *it;
                m_sResult += L"\r\n";
            }
            m_sTimingLabel.Format(L"Parse time: %ld uSecs", timer.GetMusecsTaken());
        }
        catch (std::exception& ex)
        {
            m_sResult = L"Regex is invalid!\r\n" + CString(ex.what());
        }
    }
    UpdateData(FALSE);
}