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93540ac16d
okular/core/fileprinter.cpp
Albert Astals Cid 93540ac16d Enable most of clazy level2
2020-02-21 14:57:48 +01:00

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/***************************************************************************
* Copyright (C) 2007,2010 by John Layt <john@layt.net> *
* *
* FilePrinterPreview based on KPrintPreview (originally LGPL) *
* Copyright (c) 2007 Alex Merry <huntedhacker@tiscali.co.uk> *
* *
* 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. *
***************************************************************************/
#include "fileprinter.h"
#include <QPrinter>
#include <QPrintEngine>
#include <QStringList>
#include <QSize>
#include <QFile>
#include <QFileInfo>
#include <QLabel>
#include <QShowEvent>
#include <QTcpSocket>
#include <KProcess>
#include <KShell>
#include <QDebug>
#include <QStandardPaths>
#include "debug_p.h"
using namespace Okular;
int FilePrinter::printFile(QPrinter &printer, const QString file, // NOLINT(performance-unnecessary-value-param) clazy:exclude=function-args-by-ref TODO when BIC changes are allowed
QPrinter::Orientation documentOrientation, FileDeletePolicy fileDeletePolicy,
PageSelectPolicy pageSelectPolicy, const QString &pageRange )
{
return printFile( printer, file, documentOrientation, fileDeletePolicy,
pageSelectPolicy, pageRange, ScaleMode::FitToPrintArea );
}
int FilePrinter::printFile(QPrinter &printer, const QString file, // NOLINT(performance-unnecessary-value-param) clazy:exclude=function-args-by-ref TODO when BIC changes are allowed
QPrinter::Orientation documentOrientation,
FileDeletePolicy fileDeletePolicy, PageSelectPolicy pageSelectPolicy,
const QString &pageRange, ScaleMode scaleMode )
{
FilePrinter fp;
return fp.doPrintFiles( printer, QStringList( file ), fileDeletePolicy, pageSelectPolicy, pageRange,
documentOrientation, scaleMode );
}
int FilePrinter::doPrintFiles(QPrinter &printer, const QStringList fileList, FileDeletePolicy fileDeletePolicy, // NOLINT(performance-unnecessary-value-param) clazy:exclude=function-args-by-ref TODO when BIC changes are allowed
PageSelectPolicy pageSelectPolicy, const QString &pageRange,
QPrinter::Orientation documentOrientation )
{
return doPrintFiles( printer, fileList, fileDeletePolicy, pageSelectPolicy, pageRange,
documentOrientation, ScaleMode::FitToPrintArea );
}
int FilePrinter::doPrintFiles( QPrinter &printer, QStringList fileList, FileDeletePolicy fileDeletePolicy,
PageSelectPolicy pageSelectPolicy, const QString &pageRange,
QPrinter::Orientation documentOrientation, ScaleMode scaleMode )
{
if ( fileList.size() < 1 ) {
return -8;
}
for (QStringList::ConstIterator it = fileList.constBegin(); it != fileList.constEnd(); ++it) {
if (!QFile::exists(*it)) {
return -7;
}
}
if ( printer.printerState() == QPrinter::Aborted || printer.printerState() == QPrinter::Error ) {
return -6;
}
QString exe;
QStringList argList;
int ret;
// Print to File if a filename set, assumes there must be only 1 file
if ( !printer.outputFileName().isEmpty() ) {
if ( QFile::exists( printer.outputFileName() ) ) {
QFile::remove( printer.outputFileName() );
}
QFileInfo inputFileInfo = QFileInfo( fileList[0] );
QFileInfo outputFileInfo = QFileInfo( printer.outputFileName() );
bool doDeleteFile = (fileDeletePolicy == FilePrinter::SystemDeletesFiles);
if ( inputFileInfo.suffix() == outputFileInfo.suffix() ) {
if ( doDeleteFile ) {
bool res = QFile::rename( fileList[0], printer.outputFileName() );
if ( res ) {
doDeleteFile = false;
ret = 0;
} else {
ret = -5;
}
} else {
bool res = QFile::copy( fileList[0], printer.outputFileName() );
if ( res ) {
ret = 0;
} else {
ret = -5;
}
}
} else if ( inputFileInfo.suffix() == QLatin1String("ps") && printer.outputFormat() == QPrinter::PdfFormat && ps2pdfAvailable() ) {
exe = QStringLiteral("ps2pdf");
argList << fileList[0] << printer.outputFileName();
qCDebug(OkularCoreDebug) << "Executing" << exe << "with arguments" << argList;
ret = KProcess::execute( exe, argList );
} else if ( inputFileInfo.suffix() == QLatin1String("pdf") && printer.outputFormat() == QPrinter::NativeFormat && pdf2psAvailable() ) {
exe = QStringLiteral("pdf2ps");
argList << fileList[0] << printer.outputFileName();
qCDebug(OkularCoreDebug) << "Executing" << exe << "with arguments" << argList;
ret = KProcess::execute( exe, argList );
} else {
ret = -5;
}
if ( doDeleteFile ) {
QFile::remove( fileList[0] );
}
} else { // Print to a printer via lpr command
//Decide what executable to use to print with, need the CUPS version of lpr if available
//Some distros name the CUPS version of lpr as lpr-cups or lpr.cups so try those first
//before default to lpr, or failing that to lp
if ( !QStandardPaths::findExecutable(QStringLiteral("lpr-cups")).isEmpty() ) {
exe = QStringLiteral("lpr-cups");
} else if ( !QStandardPaths::findExecutable(QStringLiteral("lpr.cups")).isEmpty() ) {
exe = QStringLiteral("lpr.cups");
} else if ( !QStandardPaths::findExecutable(QStringLiteral("lpr")).isEmpty() ) {
exe = QStringLiteral("lpr");
} else if ( !QStandardPaths::findExecutable(QStringLiteral("lp")).isEmpty() ) {
exe = QStringLiteral("lp");
} else {
return -9;
}
bool useCupsOptions = cupsAvailable();
argList = printArguments( printer, fileDeletePolicy, pageSelectPolicy,
useCupsOptions, pageRange, exe, documentOrientation, scaleMode ) << fileList;
qCDebug(OkularCoreDebug) << "Executing" << exe << "with arguments" << argList;
ret = KProcess::execute( exe, argList );
}
return ret;
}
QList<int> FilePrinter::pageList( QPrinter &printer, int lastPage, const QList<int> &selectedPageList )
{
return pageList( printer, lastPage, 0, selectedPageList );
}
QList<int> FilePrinter::pageList( QPrinter &printer, int lastPage,
int currentPage, const QList<int> &selectedPageList )
{
if ( printer.printRange() == QPrinter::Selection) {
return selectedPageList;
}
int startPage, endPage;
QList<int> list;
if ( printer.printRange() == QPrinter::PageRange ) {
startPage = printer.fromPage();
endPage = printer.toPage();
} else if ( printer.printRange() == QPrinter::CurrentPage) {
startPage = currentPage;
endPage = currentPage;
} else { //AllPages
startPage = 1;
endPage = lastPage;
}
for (int i = startPage; i <= endPage; i++ ) {
list << i;
}
return list;
}
QString FilePrinter::pageRange( QPrinter &printer, int lastPage, const QList<int> &selectedPageList )
{
if ( printer.printRange() == QPrinter::Selection) {
return pageListToPageRange( selectedPageList );
}
if ( printer.printRange() == QPrinter::PageRange ) {
return QStringLiteral("%1-%2").arg(printer.fromPage()).arg(printer.toPage());
}
return QStringLiteral("1-%2").arg( lastPage );
}
QString FilePrinter::pageListToPageRange( const QList<int> &pageList )
{
QString pageRange;
int count = pageList.count();
int i = 0;
int seqStart = i;
int seqEnd;
while ( i != count ) {
if ( i + 1 == count || pageList[i] + 1 != pageList[i+1] ) {
seqEnd = i;
if ( !pageRange.isEmpty() ) {
pageRange.append(QLatin1Char(','));
}
if ( seqStart == seqEnd ) {
pageRange.append(pageList[i]);
} else {
pageRange.append(QStringLiteral("%1-%2").arg(seqStart).arg(seqEnd));
}
seqStart = i + 1;
}
i++;
}
return pageRange;
}
bool FilePrinter::ps2pdfAvailable()
{
return ( !QStandardPaths::findExecutable(QStringLiteral("ps2pdf")).isEmpty() );
}
bool FilePrinter::pdf2psAvailable()
{
return ( !QStandardPaths::findExecutable(QStringLiteral("pdf2ps")).isEmpty() );
}
bool FilePrinter::cupsAvailable()
{
#if defined(Q_OS_UNIX) && !defined(Q_OS_OSX)
// Ideally we would have access to the private Qt method
// QCUPSSupport::cupsAvailable() to do this as it is very complex routine.
// However, if CUPS is available then QPrinter::numCopies() will always return 1
// whereas if CUPS is not available it will return the real number of copies.
// This behaviour is guaranteed never to change, so we can use it as a reliable substitute.
QPrinter testPrinter;
testPrinter.setNumCopies( 2 );
return ( testPrinter.numCopies() == 1 );
#else
return false;
#endif
}
bool FilePrinter::detectCupsService()
{
QTcpSocket qsock;
qsock.connectToHost(QStringLiteral("localhost"), 631);
bool rtn = qsock.waitForConnected() && qsock.isValid();
qsock.abort();
return rtn;
}
bool FilePrinter::detectCupsConfig()
{
if ( QFile::exists(QStringLiteral("/etc/cups/cupsd.conf")) ) return true;
if ( QFile::exists(QStringLiteral("/usr/etc/cups/cupsd.conf")) ) return true;
if ( QFile::exists(QStringLiteral("/usr/local/etc/cups/cupsd.conf")) ) return true;
if ( QFile::exists(QStringLiteral("/opt/etc/cups/cupsd.conf")) ) return true;
if ( QFile::exists(QStringLiteral("/opt/local/etc/cups/cupsd.conf")) ) return true;
return false;
}
QSize FilePrinter::psPaperSize( QPrinter &printer )
{
QSize size = printer.pageLayout().pageSize().sizePoints();
if ( printer.pageSize() == QPrinter::Custom )
{
return QSize( (int) printer.widthMM() * ( 25.4 / 72 ),
(int) printer.heightMM() * ( 25.4 / 72 ) );
}
if ( printer.orientation() == QPrinter::Landscape ) {
size.transpose();
}
return size;
}
Generator::PrintError FilePrinter::printError( int c )
{
Generator::PrintError pe;
if ( c >= 0 )
{
pe = Generator::NoPrintError;
}
else {
switch ( c )
{
case -1:
pe = Generator::PrintingProcessCrashPrintError;
break;
case -2:
pe = Generator::PrintingProcessStartPrintError;
break;
case -5:
pe = Generator::PrintToFilePrintError;
break;
case -6:
pe = Generator::InvalidPrinterStatePrintError;
break;
case -7:
pe = Generator::UnableToFindFilePrintError;
break;
case -8:
pe = Generator::NoFileToPrintError;
break;
case -9:
pe = Generator::NoBinaryToPrintError;
break;
default:
pe = Generator::UnknownPrintError;
}
}
return pe;
}
QStringList FilePrinter::printArguments( QPrinter &printer, FileDeletePolicy fileDeletePolicy,
PageSelectPolicy pageSelectPolicy, bool useCupsOptions,
const QString &pageRange, const QString &version,
QPrinter::Orientation documentOrientation ) {
return printArguments( printer, fileDeletePolicy, pageSelectPolicy, useCupsOptions,
pageRange, version, documentOrientation, ScaleMode::FitToPrintArea);
}
QStringList FilePrinter::printArguments( QPrinter &printer, FileDeletePolicy fileDeletePolicy,
PageSelectPolicy pageSelectPolicy, bool useCupsOptions,
const QString &pageRange, const QString &version,
QPrinter::Orientation documentOrientation, ScaleMode scaleMode )
{
QStringList argList;
if ( ! destination( printer, version ).isEmpty() ) {
argList << destination( printer, version );
}
if ( ! copies( printer, version ).isEmpty() ) {
argList << copies( printer, version );
}
if ( ! jobname( printer, version ).isEmpty() ) {
argList << jobname( printer, version );
}
if ( ! pages( printer, pageSelectPolicy, pageRange, useCupsOptions, version ).isEmpty() ) {
argList << pages( printer, pageSelectPolicy, pageRange, useCupsOptions, version );
}
if ( useCupsOptions && ! cupsOptions( printer, documentOrientation, scaleMode ).isEmpty() ) {
argList << cupsOptions( printer, documentOrientation, scaleMode);
}
if ( ! deleteFile( printer, fileDeletePolicy, version ).isEmpty() ) {
argList << deleteFile( printer, fileDeletePolicy, version );
}
if ( version == QLatin1String("lp") ) {
argList << QStringLiteral("--");
}
return argList;
}
QStringList FilePrinter::destination( QPrinter &printer, const QString &version )
{
if ( version == QLatin1String("lp") ) {
return QStringList(QStringLiteral("-d")) << printer.printerName();
}
if ( version.startsWith( QLatin1String("lpr") ) ) {
return QStringList(QStringLiteral("-P")) << printer.printerName();
}
return QStringList();
}
QStringList FilePrinter::copies( QPrinter &printer, const QString &version )
{
int cp = printer.actualNumCopies();
if ( version == QLatin1String("lp") ) {
return QStringList(QStringLiteral("-n")) << QStringLiteral("%1").arg( cp );
}
if ( version.startsWith( QLatin1String("lpr") ) ) {
return QStringList() << QStringLiteral("-#%1").arg( cp );
}
return QStringList();
}
QStringList FilePrinter::jobname( QPrinter &printer, const QString &version )
{
if ( ! printer.docName().isEmpty() ) {
if ( version == QLatin1String("lp") ) {
return QStringList(QStringLiteral("-t")) << printer.docName();
}
if ( version.startsWith( QLatin1String("lpr") ) ) {
const QString shortenedDocName = QString::fromUtf8(printer.docName().toUtf8().left(255));
return QStringList(QStringLiteral("-J")) << shortenedDocName;
}
}
return QStringList();
}
QStringList FilePrinter::deleteFile( QPrinter &, FileDeletePolicy fileDeletePolicy, const QString &version )
{
if ( fileDeletePolicy == FilePrinter::SystemDeletesFiles && version.startsWith( QLatin1String("lpr") ) ) {
return QStringList(QStringLiteral("-r"));
}
return QStringList();
}
QStringList FilePrinter::pages( QPrinter &printer, PageSelectPolicy pageSelectPolicy, const QString &pageRange,
bool useCupsOptions, const QString &version )
{
if ( pageSelectPolicy == FilePrinter::SystemSelectsPages ) {
if ( printer.printRange() == QPrinter::Selection && ! pageRange.isEmpty() ) {
if ( version == QLatin1String("lp") ) {
return QStringList(QStringLiteral("-P")) << pageRange ;
}
if ( version.startsWith( QLatin1String("lpr") ) && useCupsOptions ) {
return QStringList(QStringLiteral("-o")) << QStringLiteral("page-ranges=%1").arg( pageRange );
}
}
if ( printer.printRange() == QPrinter::PageRange ) {
if ( version == QLatin1String("lp") ) {
return QStringList(QStringLiteral("-P")) << QStringLiteral("%1-%2").arg( printer.fromPage() )
.arg( printer.toPage() );
}
if ( version.startsWith( QLatin1String("lpr") ) && useCupsOptions ) {
return QStringList(QStringLiteral("-o")) << QStringLiteral("page-ranges=%1-%2").arg( printer.fromPage() )
.arg( printer.toPage() );
}
}
}
return QStringList(); // AllPages
}
QStringList FilePrinter::cupsOptions( QPrinter &printer, QPrinter::Orientation documentOrientation )
{
return cupsOptions( printer, documentOrientation, ScaleMode::FitToPrintArea );
}
QStringList FilePrinter::cupsOptions( QPrinter &printer, QPrinter::Orientation documentOrientation, ScaleMode scaleMode )
{
QStringList optionList;
if ( ! optionMedia( printer ).isEmpty() ) {
optionList << optionMedia( printer );
}
if ( ! optionOrientation( printer, documentOrientation ).isEmpty() ) {
optionList << optionOrientation( printer, documentOrientation );
}
if ( ! optionDoubleSidedPrinting( printer ).isEmpty() ) {
optionList << optionDoubleSidedPrinting( printer );
}
if ( ! optionPageOrder( printer ).isEmpty() ) {
optionList << optionPageOrder( printer );
}
if ( ! optionCollateCopies( printer ).isEmpty() ) {
optionList << optionCollateCopies( printer );
}
if ( ! optionPageMargins( printer, scaleMode ).isEmpty() ) {
optionList << optionPageMargins( printer, scaleMode );
}
optionList << optionCupsProperties( printer );
return optionList;
}
QStringList FilePrinter::optionMedia( QPrinter &printer )
{
if ( ! mediaPageSize( printer ).isEmpty() &&
! mediaPaperSource( printer ).isEmpty() ) {
return QStringList(QStringLiteral("-o")) <<
QStringLiteral("media=%1,%2").arg( mediaPageSize( printer ), mediaPaperSource( printer ) );
}
if ( ! mediaPageSize( printer ).isEmpty() ) {
return QStringList(QStringLiteral("-o")) <<
QStringLiteral("media=%1").arg( mediaPageSize( printer ) );
}
if ( ! mediaPaperSource( printer ).isEmpty() ) {
return QStringList(QStringLiteral("-o")) <<
QStringLiteral("media=%1").arg( mediaPaperSource( printer ) );
}
return QStringList();
}
QString FilePrinter::mediaPageSize( QPrinter &printer )
{
switch ( printer.pageSize() ) {
case QPrinter::A0: return QStringLiteral("A0");
case QPrinter::A1: return QStringLiteral("A1");
case QPrinter::A2: return QStringLiteral("A2");
case QPrinter::A3: return QStringLiteral("A3");
case QPrinter::A4: return QStringLiteral("A4");
case QPrinter::A5: return QStringLiteral("A5");
case QPrinter::A6: return QStringLiteral("A6");
case QPrinter::A7: return QStringLiteral("A7");
case QPrinter::A8: return QStringLiteral("A8");
case QPrinter::A9: return QStringLiteral("A9");
case QPrinter::B0: return QStringLiteral("B0");
case QPrinter::B1: return QStringLiteral("B1");
case QPrinter::B10: return QStringLiteral("B10");
case QPrinter::B2: return QStringLiteral("B2");
case QPrinter::B3: return QStringLiteral("B3");
case QPrinter::B4: return QStringLiteral("B4");
case QPrinter::B5: return QStringLiteral("B5");
case QPrinter::B6: return QStringLiteral("B6");
case QPrinter::B7: return QStringLiteral("B7");
case QPrinter::B8: return QStringLiteral("B8");
case QPrinter::B9: return QStringLiteral("B9");
case QPrinter::C5E: return QStringLiteral("C5"); //Correct Translation?
case QPrinter::Comm10E: return QStringLiteral("Comm10"); //Correct Translation?
case QPrinter::DLE: return QStringLiteral("DL"); //Correct Translation?
case QPrinter::Executive: return QStringLiteral("Executive");
case QPrinter::Folio: return QStringLiteral("Folio");
case QPrinter::Ledger: return QStringLiteral("Ledger");
case QPrinter::Legal: return QStringLiteral("Legal");
case QPrinter::Letter: return QStringLiteral("Letter");
case QPrinter::Tabloid: return QStringLiteral("Tabloid");
case QPrinter::Custom: return QStringLiteral("Custom.%1x%2mm")
.arg( printer.widthMM() )
.arg( printer.heightMM() );
default: return QString();
}
}
// What about Upper and MultiPurpose? And others in PPD???
QString FilePrinter::mediaPaperSource( QPrinter &printer )
{
switch ( printer.paperSource() ) {
case QPrinter::Auto: return QString();
case QPrinter::Cassette: return QStringLiteral("Cassette");
case QPrinter::Envelope: return QStringLiteral("Envelope");
case QPrinter::EnvelopeManual: return QStringLiteral("EnvelopeManual");
case QPrinter::FormSource: return QStringLiteral("FormSource");
case QPrinter::LargeCapacity: return QStringLiteral("LargeCapacity");
case QPrinter::LargeFormat: return QStringLiteral("LargeFormat");
case QPrinter::Lower: return QStringLiteral("Lower");
case QPrinter::MaxPageSource: return QStringLiteral("MaxPageSource");
case QPrinter::Middle: return QStringLiteral("Middle");
case QPrinter::Manual: return QStringLiteral("Manual");
case QPrinter::OnlyOne: return QStringLiteral("OnlyOne");
case QPrinter::Tractor: return QStringLiteral("Tractor");
case QPrinter::SmallFormat: return QStringLiteral("SmallFormat");
default: return QString();
}
}
QStringList FilePrinter::optionOrientation( QPrinter &printer, QPrinter::Orientation documentOrientation )
{
// portrait and landscape options rotate the document according to the document orientation
// If we want to print a landscape document as one would expect it, we have to pass the
// portrait option so that the document is not rotated additionally
if ( printer.orientation() == documentOrientation ) {
// the user wants the document printed as is
return QStringList(QStringLiteral("-o")) << QStringLiteral("portrait");
} else {
// the user expects the document being rotated by 90 degrees
return QStringList(QStringLiteral("-o")) << QStringLiteral("landscape");
}
}
QStringList FilePrinter::optionDoubleSidedPrinting( QPrinter &printer )
{
switch ( printer.duplex() ) {
case QPrinter::DuplexNone: return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=one-sided");
case QPrinter::DuplexAuto: if ( printer.orientation() == QPrinter::Landscape ) {
return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-short-edge");
} else {
return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-long-edge");
}
case QPrinter::DuplexLongSide: return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-long-edge");
case QPrinter::DuplexShortSide: return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-short-edge");
default: return QStringList(); //Use printer default
}
}
QStringList FilePrinter::optionPageOrder( QPrinter &printer )
{
if ( printer.pageOrder() == QPrinter::LastPageFirst ) {
return QStringList(QStringLiteral("-o")) << QStringLiteral("outputorder=reverse");
}
return QStringList(QStringLiteral("-o")) << QStringLiteral("outputorder=normal");
}
QStringList FilePrinter::optionCollateCopies( QPrinter &printer )
{
if ( printer.collateCopies() ) {
return QStringList(QStringLiteral("-o")) << QStringLiteral("Collate=True");
}
return QStringList(QStringLiteral("-o")) << QStringLiteral("Collate=False");
}
QStringList FilePrinter::optionPageMargins( QPrinter &printer )
{
return optionPageMargins( printer, ScaleMode::FitToPrintArea );
}
QStringList FilePrinter::optionPageMargins( QPrinter &printer, ScaleMode scaleMode )
{
if (printer.printEngine()->property(QPrintEngine::PPK_PageMargins).isNull()) {
return QStringList();
} else {
qreal l(0), t(0), r(0), b(0);
if (!printer.fullPage()) {
printer.getPageMargins( &l, &t, &r, &b, QPrinter::Point );
}
QStringList marginOptions;
marginOptions << (QStringLiteral("-o")) << QStringLiteral("page-left=%1").arg(l)
<< QStringLiteral("-o") << QStringLiteral("page-top=%1").arg(t)
<< QStringLiteral("-o") << QStringLiteral("page-right=%1").arg(r)
<< QStringLiteral("-o") << QStringLiteral("page-bottom=%1").arg(b);
if (scaleMode == ScaleMode::FitToPrintArea) {
marginOptions << QStringLiteral("-o") << QStringLiteral("fit-to-page");
}
return marginOptions;
}
}
QStringList FilePrinter::optionCupsProperties( QPrinter &printer )
{
QStringList dialogOptions = printer.printEngine()->property(QPrintEngine::PrintEnginePropertyKey(0xfe00)).toStringList();
QStringList cupsOptions;
for ( int i = 0; i < dialogOptions.count(); i = i + 2 ) {
if ( dialogOptions[i+1].isEmpty() ) {
cupsOptions << QStringLiteral("-o") << dialogOptions[i];
} else {
cupsOptions << QStringLiteral("-o") << dialogOptions[i] + QLatin1Char('=') + dialogOptions[i+1];
}
}
return cupsOptions;
}
/* kate: replace-tabs on; indent-width 4; */
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