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https://github.com/xiaoyifang/goldendict-ng.git
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540dda26ed
The replacement command: git grep -l 'qrcx://localhost' | xargs sed -i 's/qrcx:\/\/localhost/qrc:\/\//g' The qrcx:// URL scheme was introduced in 2009 or earlier - it is present in the first commit in GoldenDict's git history. Back then GoldenDict supported Qt versions earlier than 4.6, in which QWebSecurityOrigin::addLocalScheme() was introduced. Adding the qrc URL scheme as local obsoletes the qrcx URL scheme. GoldenDict does not compile against Qt versions earlier than 4.6, so there is no reason to use this custom URL scheme anymore. Co-authored-by: Igor Kushnir <igorkuo@gmail.com>
384 lines
10 KiB
C++
384 lines
10 KiB
C++
/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
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* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
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#include "programs.hh"
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#include "audiolink.hh"
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#include "htmlescape.hh"
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#include "utf8.hh"
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#include "wstring_qt.hh"
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#include "parsecmdline.hh"
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#include "iconv.hh"
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#include "utils.hh"
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#include <QDir>
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#include <QFileInfo>
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namespace Programs {
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using namespace Dictionary;
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namespace {
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class ProgramsDictionary: public Dictionary::Class
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{
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Config::Program prg;
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public:
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ProgramsDictionary( Config::Program const & prg_ ):
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Dictionary::Class( prg_.id.toStdString(), vector< string >() ),
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prg( prg_ )
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{
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}
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string getName() noexcept override
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{ return prg.name.toUtf8().data(); }
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map< Property, string > getProperties() noexcept override
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{ return map< Property, string >(); }
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unsigned long getArticleCount() noexcept override
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{ return 0; }
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unsigned long getWordCount() noexcept override
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{ return 0; }
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sptr< WordSearchRequest > prefixMatch( wstring const & word,
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unsigned long maxResults ) override
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;
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sptr< DataRequest > getArticle( wstring const &,
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vector< wstring > const & alts,
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wstring const &, bool ) override
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;
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protected:
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void loadIcon() noexcept override;
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};
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sptr< WordSearchRequest > ProgramsDictionary::prefixMatch( wstring const & word,
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unsigned long /*maxResults*/ )
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{
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if ( prg.type == Config::Program::PrefixMatch )
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return std::make_shared<ProgramWordSearchRequest>( gd::toQString( word ), prg );
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else
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{
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sptr< WordSearchRequestInstant > sr = std::make_shared<WordSearchRequestInstant>();
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sr->setUncertain( true );
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return sr;
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}
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}
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sptr< Dictionary::DataRequest > ProgramsDictionary::getArticle(
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wstring const & word, vector< wstring > const &, wstring const &, bool )
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{
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switch( prg.type )
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{
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case Config::Program::Audio:
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{
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// Audio results are instantaneous
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string result;
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string wordUtf8( Utf8::encode( word ) );
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result += "<table class=\"programs_play\"><tr>";
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QUrl url;
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url.setScheme( "gdprg" );
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url.setHost( QString::fromUtf8( getId().c_str() ) );
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url.setPath( Utils::Url::ensureLeadingSlash( QString::fromUtf8( wordUtf8.c_str() ) ) );
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string ref = string( "\"" ) + url.toEncoded().data() + "\"";
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result += addAudioLink( ref, getId() );
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result += "<td><a href=" + ref + R"(><img src="qrc:///icons/playsound.png" border="0" alt="Play"/></a></td>)";
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result += "<td><a href=" + ref + ">" +
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Html::escape( wordUtf8 ) + "</a></td>";
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result += "</tr></table>";
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sptr< DataRequestInstant > ret = std::make_shared<DataRequestInstant>( true );
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ret->getData().resize( result.size() );
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memcpy( &(ret->getData().front()), result.data(), result.size() );
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return ret;
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}
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case Config::Program::Html:
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case Config::Program::PlainText:
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return std::make_shared<ProgramDataRequest>( gd::toQString( word ), prg );
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default:
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return std::make_shared<DataRequestInstant>( false );
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}
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}
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void ProgramsDictionary::loadIcon() noexcept
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{
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if ( dictionaryIconLoaded )
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return;
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if( !prg.iconFilename.isEmpty() )
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{
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QFileInfo fInfo( QDir( Config::getConfigDir() ), prg.iconFilename );
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if( fInfo.isFile() )
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loadIconFromFile( fInfo.absoluteFilePath(), true );
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}
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if( dictionaryIcon.isNull() )
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dictionaryIcon = dictionaryNativeIcon = QIcon(":/icons/programs.svg");
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dictionaryIconLoaded = true;
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}
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}
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RunInstance::RunInstance(): process( this )
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{
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connect( this, &RunInstance::processFinished, this, &RunInstance::handleProcessFinished, Qt::QueuedConnection );
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connect( &process, &QProcess::finished, this, &RunInstance::processFinished );
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connect( &process, &QProcess::errorOccurred, this, &RunInstance::processFinished );
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}
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bool RunInstance::start( Config::Program const & prg, QString const & word,
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QString & error )
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{
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QStringList args = parseCommandLine( prg.commandLine );
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if ( !args.empty() )
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{
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QString programName = args.first();
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args.pop_front();
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bool writeToStdInput = true;
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for( int x = 0; x < args.size(); ++x )
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if( args[ x ].indexOf( "%GDWORD%" ) >= 0 )
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{
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writeToStdInput = false;
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args[ x ].replace( "%GDWORD%", word );
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}
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process.start( programName, args );
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if( writeToStdInput )
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{
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process.write( word.toLocal8Bit() );
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process.closeWriteChannel();
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}
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return true;
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}
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else
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{
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error = tr( "No program name was given." );
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return false;
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}
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}
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void RunInstance::handleProcessFinished()
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{
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// It seems that sometimes the process isn't finished yet despite being
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// signalled as such. So we wait for it here, which should hopefully be
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// nearly instant.
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process.waitForFinished();
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QByteArray output = process.readAllStandardOutput();
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QString error;
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if ( process.exitStatus() != QProcess::NormalExit )
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error = tr( "The program has crashed." );
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else
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if ( int code = process.exitCode() )
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error = tr( "The program has returned exit code %1." ).arg( code );
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if ( !error.isEmpty() )
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{
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QByteArray err = process.readAllStandardError();
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if ( !err.isEmpty() )
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error += "\n\n" + QString::fromLocal8Bit( err );
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}
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emit finished( output, error );
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}
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ProgramDataRequest::ProgramDataRequest( QString const & word,
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Config::Program const & prg_ ):
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prg( prg_ )
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{
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connect( &instance, &RunInstance::finished, this, &ProgramDataRequest::instanceFinished );
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QString error;
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if ( !instance.start( prg, word, error ) )
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{
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setErrorString( error );
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finish();
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}
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}
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void ProgramDataRequest::instanceFinished( QByteArray output, QString error )
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{
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QString prog_output;
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if ( !isFinished() )
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{
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if ( !output.isEmpty() )
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{
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string result = "<div class='programs_";
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switch( prg.type )
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{
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case Config::Program::PlainText:
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result += "plaintext'>";
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try
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{
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// Check BOM if present
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unsigned char * uchars = reinterpret_cast< unsigned char * >( output.data() );
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if( output.length() >= 2 && uchars[ 0 ] == 0xFF && uchars[ 1 ] == 0xFE )
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{
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int size = output.length() - 2;
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if( size & 1 )
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size -= 1;
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string res= Iconv::toUtf8( "UTF-16LE", output.data() + 2, size );
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prog_output = QString::fromUtf8( res.c_str(), res.size() );
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}
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else
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if( output.length() >= 2 && uchars[ 0 ] == 0xFE && uchars[ 1 ] == 0xFF )
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{
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int size = output.length() - 2;
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if( size & 1 )
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size -= 1;
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string res = Iconv::toUtf8( "UTF-16BE", output.data() + 2, size );
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prog_output = QString::fromUtf8( res.c_str(), res.size() );
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}
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else
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if( output.length() >= 3 && uchars[ 0 ] == 0xEF && uchars[ 1 ] == 0xBB && uchars[ 2 ] == 0xBF )
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{
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prog_output = QString::fromUtf8( output.data() + 3, output.length() - 3 );
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}
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else
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{
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// No BOM, assume local 8-bit encoding
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prog_output = QString::fromLocal8Bit( output );
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}
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}
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catch( std::exception & e )
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{
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error = e.what();
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}
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result += Html::preformat( prog_output.toUtf8().data() );
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break;
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default:
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result += "html'>";
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try
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{
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// Check BOM if present
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unsigned char * uchars = reinterpret_cast< unsigned char * >( output.data() );
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if( output.length() >= 2 && uchars[ 0 ] == 0xFF && uchars[ 1 ] == 0xFE )
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{
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int size = output.length() - 2;
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if( size & 1 )
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size -= 1;
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result += Iconv::toUtf8( "UTF-16LE", output.data() + 2, size );
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}
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else
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if( output.length() >= 2 && uchars[ 0 ] == 0xFE && uchars[ 1 ] == 0xFF )
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{
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int size = output.length() - 2;
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if( size & 1 )
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size -= 1;
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result += Iconv::toUtf8( "UTF-16BE", output.data() + 2, size );
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}
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else
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if( output.length() >= 3 && uchars[ 0 ] == 0xEF && uchars[ 1 ] == 0xBB && uchars[ 2 ] == 0xBF )
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{
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result += output.data() + 3;
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}
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else
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{
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// We assume html data is in utf8 encoding already.
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result += output.data();
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}
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}
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catch( std::exception & e )
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{
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error = e.what();
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}
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}
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result += "</div>";
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Mutex::Lock _( dataMutex );
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data.resize( result.size() );
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memcpy( data.data(), result.data(), data.size() );
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hasAnyData = true;
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}
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if ( !error.isEmpty() )
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setErrorString( error );
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finish();
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}
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}
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void ProgramDataRequest::cancel()
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{
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finish();
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}
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ProgramWordSearchRequest::ProgramWordSearchRequest( QString const & word,
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Config::Program const & prg_ ):
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prg( prg_ )
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{
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connect( &instance, &RunInstance::finished, this, &ProgramWordSearchRequest::instanceFinished );
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QString error;
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if ( !instance.start( prg, word, error ) )
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{
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setErrorString( error );
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finish();
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}
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}
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void ProgramWordSearchRequest::instanceFinished( QByteArray output, QString error )
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{
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if ( !isFinished() )
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{
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// Handle any Windows artifacts
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output.replace( "\r\n", "\n" );
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QStringList result =
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QString::fromUtf8( output ).split( "\n", Qt::SkipEmptyParts );
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for( int x = 0; x < result.size(); ++x )
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matches.push_back( Dictionary::WordMatch( gd::toWString( result[ x ] ) ) );
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if ( !error.isEmpty() )
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setErrorString( error );
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finish();
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}
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}
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void ProgramWordSearchRequest::cancel()
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{
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finish();
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}
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vector< sptr< Dictionary::Class > > makeDictionaries(
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Config::Programs const & programs )
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{
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vector< sptr< Dictionary::Class > > result;
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for( Config::Programs::const_iterator i = programs.begin();
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i != programs.end(); ++i )
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if ( i->enabled )
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result.push_back( std::make_shared<ProgramsDictionary>( *i ) );
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return result;
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}
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}
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