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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_CUI_SOURCE_INC_SFXREDACTIONHELPER_HXX
#define INCLUDED_CUI_SOURCE_INC_SFXREDACTIONHELPER_HXX
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/drawing/XDrawPage.hpp>
#include <sal/types.h>
#include <rtl/ustring.hxx>
#include <tools/gen.hxx>
#include <string_view>
#include <vector>
using namespace ::com::sun::star;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
class SfxRequest;
class SfxStringItem;
class GDIMetaFile;
class DocumentToGraphicRenderer;
class SfxViewFrame;
struct RedactionTarget;
namespace i18nutil
{
struct SearchOptions2;
}
struct PageMargins
{
// Page margins in mm100th
sal_Int32 nTop;
sal_Int32 nBottom;
sal_Int32 nLeft;
sal_Int32 nRight;
};
/*
* Mostly a bunch of static methods to handle the redaction functionality at
* different points of the process.
**/
class SfxRedactionHelper
{
public:
/// Checks to see if the request has a parameter of IsRedactMode:bool=true
static bool isRedactMode(const SfxRequest& rReq);
/*
* Returns the value of the given string param as an OUString
* Returns empty OUString if no param
* */
static OUString getStringParam(const SfxRequest& rReq, sal_uInt16 nParamId);
/*
* Creates metafiles from the pages of the given document,
* and pushes into the given vector.
* */
static void getPageMetaFilesFromDoc(std::vector<GDIMetaFile>& aMetaFiles,
std::vector<::Size>& aPageSizes, sal_Int32 nPages,
DocumentToGraphicRenderer& aRenderer);
/*
* Creates one shape and one draw page for each gdimetafile,
* and inserts the shapes into the newly created draw pages.
* */
static void
addPagesToDraw(const uno::Reference<XComponent>& xComponent, sal_Int32 nPages,
const std::vector<GDIMetaFile>& aMetaFiles,
const std::vector<::Size>& aPageSizes, const PageMargins& aPageMargins,
const std::vector<std::pair<RedactionTarget, OUString>>& r_aTableTargets,
bool bIsAutoRedact);
/*
* Makes the Redaction toolbar visible to the user.
* Meant to be called after converting a document to a Draw doc
* for redaction purposes.
* */
static void showRedactionToolbar(const SfxViewFrame* pViewFrame);
/*
* Used to get the page margins from the original/source Writer document. Then we apply these values to the
* pages inserted into Draw for redaction.
* */
static PageMargins
getPageMarginsForWriter(const css::uno::Reference<css::frame::XModel>& xModel);
/*
* Used to get the page margins from the original/source Calc document. Then we apply these values to the
* pages inserted into Draw for redaction.
* */
static PageMargins getPageMarginsForCalc(const css::uno::Reference<css::frame::XModel>& xModel);
/*
* Used to find the text portions to be redacted. Returns a list of rectangles to cover those
* areas to be redacted. Probably the most crucial part of the auto-redaction process.
* */
static void searchInMetaFile(const RedactionTarget& rRedactionTarget, const GDIMetaFile& rMtf,
std::vector<tools::Rectangle>& aRedactionRectangles,
const uno::Reference<XComponent>& xComponent);
/*
* Draws a redaction rectangle on the draw page referenced with its page number (0-based)
* */
static void addRedactionRectToPage(const uno::Reference<XComponent>& xComponent,
const uno::Reference<drawing::XDrawPage>& xPage,
const std::vector<tools::Rectangle>& aNewRectangles);
/*
* Search for the given term through the gdimetafile, which has the whole content of a draw page,
* and draw redaction rectangles to the appropriate positions with suitable sizes.
* */
static void autoRedactPage(const RedactionTarget& rRedactionTarget,
const GDIMetaFile& rGDIMetaFile,
const uno::Reference<drawing::XDrawPage>& xPage,
const uno::Reference<XComponent>& xComponent);
/// Fill the search options based on the given redaction target
static void fillSearchOptions(i18nutil::SearchOptions2& rSearchOpt,
const RedactionTarget& rTarget);
private:
static constexpr std::u16string_view m_aPredefinedTargets[6] = {
u"\\b(?:\\d[ -]*?){13,16}\\b", //Credit card numbers
u"\\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}\\b", //Email addresses
u"\\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"
"\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"
"\\b", //IP addresses
u"([12]\\d{3}[./-](0[1-9]|1[0-2])[./"
"-](0[1-9]|[12]\\d|3[01]))|((0[1-9]|[12]\\d|3[01])[./-](0[1-9]|1[0-2])[./"
"-][12]\\d{3})", //Dates (numerical)
u"\\s*[a-zA-Z]{2}(?:\\s*\\d\\s*){6}[a-zA-Z]?\\s*", //National Insurance Number (UK)
u"([1-9])(?!\\1{2}-\\1{2}-\\1{4})[1-9]{2}-[1-9]{2}-[1-9]{4}" //Social Security Number (US)
};
};
#endif // INCLUDED_CUI_SOURCE_INC_SFXREDACTIONHELPER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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