mirror of
https://github.com/xiaoyifang/goldendict-ng.git
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351 lines
11 KiB
C++
351 lines
11 KiB
C++
/* This file is (c) 2008-2009 Konstantin Isakov <ikm@users.berlios.de>
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* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
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#include "article_maker.hh"
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#include "config.hh"
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#include "htmlescape.hh"
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#include "utf8.hh"
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#include <QFile>
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using std::vector;
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using std::string;
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using std::wstring;
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using std::set;
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using std::list;
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ArticleMaker::ArticleMaker( vector< sptr< Dictionary::Class > > const & dictionaries_,
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vector< Instances::Group > const & groups_ ):
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dictionaries( dictionaries_ ),
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groups( groups_ )
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{
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}
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std::string ArticleMaker::makeHtmlHeader( QString const & word,
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QString const & icon )
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{
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string result =
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"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">"
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"<html><head>"
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"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">";
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// Add a css stylesheet
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QFile builtInCssFile( ":/article-style.css" );
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builtInCssFile.open( QFile::ReadOnly );
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QByteArray css = builtInCssFile.readAll();
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QFile cssFile( Config::getUserCssFileName() );
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if ( cssFile.open( QFile::ReadOnly ) )
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css += cssFile.readAll();
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result += "<style type=\"text/css\">\n";
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result += css.data();
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result += "</style>\n";
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result += "<title>" + Html::escape( Utf8::encode( word.toStdWString() ) ) + "</title>";
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// This doesn't seem to be much of influence right now, but we'll keep
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// it anyway.
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if ( icon.size() )
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result += "<link rel=\"icon\" type=\"image/png\" href=\"qrcx://localhost/flags/" + Html::escape( icon.toUtf8().data() ) + "\" />\n";
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result += "</head><body>";
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return result;
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}
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std::string ArticleMaker::makeNotFoundBody( QString const & word, QString const & group )
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{
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return string( "<div class=\"gdnotfound\"><p>" ) +
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tr( "No translation for <b>%1</b> was found in group <b>%2</b>." ).
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arg( QString::fromUtf8( Html::escape( word.toUtf8().data() ).c_str() ) ).
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arg( QString::fromUtf8( Html::escape( group.toUtf8().data() ).c_str() ) ).
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toUtf8().data()
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+"</p></div>";
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}
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sptr< Dictionary::DataRequest > ArticleMaker::makeDefinitionFor(
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QString const & inWord, QString const & group ) const
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{
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printf( "group = %ls\n", group.toStdWString().c_str() );
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if ( group == "internal:about" )
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{
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// This is a special group containing internal welcome/help pages
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string result = makeHtmlHeader( inWord, QString() );
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if ( inWord == "Welcome!" )
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{
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result += tr(
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"<h3 align=\"center\">Welcome to <b>GoldenDict</b>!</h3>"
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"<p>To start working with the program, first visit <b>Edit|Sources</b> to add some directory paths where to search "
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"for the dictionary files, and/or set up various Wikipedia sources. "
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"After that, you can optionally organize all the dictionaries found into groups "
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"in <b>Edit|Groups</b>."
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"<p>You can also check out the available program preferences at <b>Edit|Preferences</b>. "
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"All settings there have tooltips, be sure to read them if you are in doubt about anything."
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"<p>And then you're ready to look up your words! You can do that in this window "
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"by using a pane to the left, or you can <a href=\"Working with popup\">look up words from other active applications</a>. "
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"<p>Should you need further help, have any questions, "
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"suggestions or just wonder what the others think, you are welcome at the program's <a href=\"http://goldendict.berlios.de/forum/\">forum</a>."
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"<p>You can also contact the author directly by writing an <a href=\"mailto: Konstantin Isakov <ikm@users.berlios.de>\">e-mail</a>."
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"<p>Check program's <a href=\"http://goldendict.berlios.de/\">website</a> for the updates. "
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"<p>(c) 2008-2009 Konstantin Isakov. Licensed under GPLv3 or later."
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).toUtf8().data();
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}
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else
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if ( inWord == "Working with popup" )
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{
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result += ( tr( "<h3 align=\"center\">Working with the popup</h3>"
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"To look up words from other active applications, you would need to first activate the <i>\"Scan popup functionality\"</i> in <b>Preferences</b>, "
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"and then enable it at any time either by triggering the 'Popup' icon above, or "
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"by clicking the tray icon down below with your right mouse button and choosing so in the menu you've popped. " ) +
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#ifdef Q_OS_WIN32
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tr( "Then just stop the cursor over the word you want to look up in another application, "
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"and a window would pop up which would describe it to you." )
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#else
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tr( "Then just select any word you want to look up in another application by your mouse "
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"(double-click it or swipe it with mouse with the button pressed), "
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"and a window would pop up which would describe the word to you." )
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#endif
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).toUtf8().data();
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}
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else
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{
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// Not found
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return makeNotFoundTextFor( inWord, group );
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}
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result += "</body></html>";
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sptr< Dictionary::DataRequestInstant > r = new Dictionary::DataRequestInstant( true );
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r->getData().resize( result.size() );
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memcpy( &( r->getData().front() ), result.data(), result.size() );
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return r;
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}
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// Find the given group
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Instances::Group const * activeGroup = 0;
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for( unsigned x = 0; x < groups.size(); ++x )
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if ( groups[ x ].name == group )
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{
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activeGroup = &groups[ x ];
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break;
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}
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// If we've found a group, use its dictionaries; otherwise, use the global
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// heap.
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std::vector< sptr< Dictionary::Class > > const & activeDicts =
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activeGroup ? activeGroup->dictionaries : dictionaries;
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string header = makeHtmlHeader( inWord.trimmed(),
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activeGroup && activeGroup->icon.size() ?
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activeGroup->icon : QString() );
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return new ArticleRequest( inWord.trimmed(), group, activeDicts, header );
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}
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sptr< Dictionary::DataRequest > ArticleMaker::makeNotFoundTextFor(
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QString const & word, QString const & group ) const
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{
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string result = makeHtmlHeader( word, QString() ) + makeNotFoundBody( word, group ) +
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"</body></html>";
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sptr< Dictionary::DataRequestInstant > r = new Dictionary::DataRequestInstant( true );
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r->getData().resize( result.size() );
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memcpy( &( r->getData().front() ), result.data(), result.size() );
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return r;
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}
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//////// ArticleRequest
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ArticleRequest::ArticleRequest(
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QString const & word_, QString const & group_,
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vector< sptr< Dictionary::Class > > const & activeDicts_,
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string const & header ):
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word( word_ ), group( group_ ), activeDicts( activeDicts_ ),
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altsDone( false ), bodyDone( false ), foundAnyDefinitions( false )
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{
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// No need to lock dataMutex on construction
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hasAnyData = true;
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data.resize( header.size() );
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memcpy( &data.front(), header.data(), header.size() );
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// Accumulate main forms
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for( unsigned x = 0; x < activeDicts.size(); ++x )
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{
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sptr< Dictionary::WordSearchRequest > s = activeDicts[ x ]->findHeadwordsForSynonym( word.toStdWString() );
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connect( s.get(), SIGNAL( finished() ),
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this, SLOT( altSearchFinished() ) );
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altSearches.push_back( s );
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}
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altSearchFinished(); // Handle any ones which have already finished
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}
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void ArticleRequest::altSearchFinished()
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{
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if ( altsDone )
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return;
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// Check every request for finishing
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for( list< sptr< Dictionary::WordSearchRequest > >::iterator i =
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altSearches.begin(); i != altSearches.end(); )
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{
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if ( (*i)->isFinished() )
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{
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// This one's finished
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for( size_t count = (*i)->matchesCount(), x = 0; x < count; ++x )
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alts.insert( (**i)[ x ].word );
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altSearches.erase( i++ );
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}
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else
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++i;
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}
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if ( altSearches.empty() )
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{
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printf( "alts finished\n" );
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// They all've finished! Now we can look up bodies
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altsDone = true; // So any pending signals in queued mode won't mess us up
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vector< wstring > altsVector( alts.begin(), alts.end() );
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for( unsigned x = 0; x < altsVector.size(); ++x )
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{
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printf( "Alt: %ls\n", altsVector[ x ].c_str() );
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}
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wstring wordStd = word.toStdWString();
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for( unsigned x = 0; x < activeDicts.size(); ++x )
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{
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sptr< Dictionary::DataRequest > r =
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activeDicts[ x ]->getArticle( wordStd, altsVector );
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connect( r.get(), SIGNAL( finished() ),
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this, SLOT( bodyFinished() ) );
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bodyRequests.push_back( r );
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}
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bodyFinished(); // Handle any ones which have already finished
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}
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}
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void ArticleRequest::bodyFinished()
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{
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if ( bodyDone )
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return;
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printf( "some body finished\n" );
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bool wasUpdated = false;
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while ( bodyRequests.size() )
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{
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// Since requests should go in order, check the first one first
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if ( bodyRequests.front()->isFinished() )
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{
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// Good
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printf( "one finished.\n" );
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Dictionary::DataRequest & req = *bodyRequests.front();
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QString errorString = req.getErrorString();
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if ( req.dataSize() >= 0 || errorString.size() )
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{
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string head = string( "<div class=\"gddictname\">" ) +
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Html::escape(
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tr( "From %1" ).arg( QString::fromUtf8( activeDicts[ activeDicts.size() - bodyRequests.size() ]->getName().c_str() ) ).toUtf8().data() )
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+ "</div>";
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if ( errorString.size() )
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{
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head += "<div class=\"gderrordesc\">" +
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Html::escape( tr( "Query error: %1" ).arg( errorString ).toUtf8().data() )
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+ "</div>";
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}
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Mutex::Lock _( dataMutex );
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size_t offset = data.size();
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data.resize( data.size() + head.size() + ( req.dataSize() > 0 ? req.dataSize() : 0 ) );
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memcpy( &data.front() + offset, head.data(), head.size() );
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if ( req.dataSize() > 0 )
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bodyRequests.front()->getDataSlice( 0, req.dataSize(),
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&data.front() + offset + head.size() );
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wasUpdated = true;
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foundAnyDefinitions = true;
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}
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printf( "erasing..\n" );
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bodyRequests.pop_front();
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printf( "erase done..\n" );
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}
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else
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{
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printf( "one not finished.\n" );
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break;
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}
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}
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if ( bodyRequests.empty() )
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{
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// No requests left, end the article
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bodyDone = true;
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{
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string footer;
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if ( !foundAnyDefinitions )
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{
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// No definitions were ever found, say so to the user.
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footer += ArticleMaker::makeNotFoundBody( word, group );
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}
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footer += "</body></html>";
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Mutex::Lock _( dataMutex );
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size_t offset = data.size();
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data.resize( data.size() + footer.size() );
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memcpy( &data.front() + offset, footer.data(), footer.size() );
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}
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finish();
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}
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else
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if ( wasUpdated )
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update();
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}
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