mirror of
https://github.com/xiaoyifang/goldendict-ng.git
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783 lines
22 KiB
C++
783 lines
22 KiB
C++
/* This file is (c) 2008-2010 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 "wstring_qt.hh"
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#include <limits.h>
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#include <QFile>
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#include <QUrl>
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#include "folding.hh"
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#include "langcoder.hh"
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using std::vector;
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using std::string;
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using gd::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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QString const & displayStyle_ ):
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dictionaries( dictionaries_ ),
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groups( groups_ ),
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displayStyle( displayStyle_ )
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{
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}
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void ArticleMaker::setDisplayStyle( QString const & st )
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{
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displayStyle = st;
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}
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std::string ArticleMaker::makeHtmlHeader( QString const & word,
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QString const & icon ) const
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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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{
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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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if ( displayStyle.size() )
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{
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// Load an additional stylesheet
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QFile builtInCssFile( QString( ":/article-style-st-%1.css" ).arg( displayStyle ) );
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builtInCssFile.open( QFile::ReadOnly );
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css += builtInCssFile.readAll();
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}
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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\" media=\"all\">\n";
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result += css.data();
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result += "</style>\n";
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}
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// Add print-only css
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{
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QFile builtInCssFile( ":/article-style-print.css" );
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builtInCssFile.open( QFile::ReadOnly );
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QByteArray css = builtInCssFile.readAll();
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QFile cssFile( Config::getUserCssPrintFileName() );
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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\" media=\"print\">\n";
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result += css.data();
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result += "</style>\n";
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}
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result += "<title>" + Html::escape( Utf8::encode( gd::toWString( word ) ) ) + "</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 += "<script language=\"JavaScript\">"
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"function gdMakeArticleActive( newId ) {"
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"if ( gdCurrentArticle != 'gdfrom-' + newId ) {"
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"document.getElementById( gdCurrentArticle ).className = 'gdarticle';"
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"document.getElementById( 'gdfrom-' + newId ).className = 'gdarticle gdactivearticle';"
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"gdCurrentArticle = 'gdfrom-' + newId; eval( 'gdActivateAudioLink_' + newId + '();' ); } }"
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"</script>";
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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,
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QString const & group )
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{
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string result( "<div class=\"gdnotfound\"><p>" );
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if ( word.size() )
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result += 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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else
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result += tr( "No translation was found in group <b>%1</b>." ).
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arg( QString::fromUtf8( Html::escape( group.toUtf8().data() ).c_str() ) ).
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toUtf8().data();
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result += "</p></div>";
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return result;
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}
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sptr< Dictionary::DataRequest > ArticleMaker::makeDefinitionFor(
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QString const & inWord, unsigned groupId,
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QMap< QString, QString > const & contexts,
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QSet< QString > const & mutedDicts ) const
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{
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if ( groupId == Instances::Group::HelpGroupId )
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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 == tr( "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|Dictionaries</b> to add some directory paths where to search "
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"for the dictionary files, set up various Wikipedia sites or other sources, adjust dictionary order or create dictionary groups."
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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>To customize program, check out the available 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>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>Check program's <a href=\"http://goldendict.berlios.de/\">website</a> for the updates. "
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"<p>(c) 2008-2010 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 == tr( "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, "help" );
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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 ].id == groupId )
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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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if ( mutedDicts.size() )
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{
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std::vector< sptr< Dictionary::Class > > unmutedDicts;
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unmutedDicts.reserve( activeDicts.size() );
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for( unsigned x = 0; x < activeDicts.size(); ++x )
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if ( !mutedDicts.contains(
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QString::fromStdString( activeDicts[ x ]->getId() ) ) )
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unmutedDicts.push_back( activeDicts[ x ] );
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return new ArticleRequest( inWord.trimmed(), activeGroup ? activeGroup->name : "",
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contexts, unmutedDicts, header );
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}
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else
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return new ArticleRequest( inWord.trimmed(), activeGroup ? activeGroup->name : "",
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contexts, 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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sptr< Dictionary::DataRequest > ArticleMaker::makeEmptyPage() const
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{
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string result = makeHtmlHeader( tr( "(untitled)" ), QString() ) +
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"</body></html>";
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sptr< Dictionary::DataRequestInstant > r =
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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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QMap< QString, QString > const & contexts_,
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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_ ), contexts( contexts_ ),
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activeDicts( activeDicts_ ),
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altsDone( false ), bodyDone( false ), foundAnyDefinitions( false ),
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closePrevSpan( 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( gd::toWString( word ) );
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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 = gd::toWString( word );
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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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gd::toWString( contexts.value( QString::fromStdString( activeDicts[ x ]->getId() ) ) ) );
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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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sptr< Dictionary::Class > const & activeDict =
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activeDicts[ activeDicts.size() - bodyRequests.size() ];
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string dictId = activeDict->getId();
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string head;
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string gdFrom = "gdfrom-" + Html::escape( dictId );
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if ( closePrevSpan )
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{
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head += "</span></span><span class=\"gdarticleseparator\"></span>";
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}
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else
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{
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// This is the first article
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head += "<script language=\"JavaScript\">"
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"var gdCurrentArticle=\"" + gdFrom + "\";</script>";
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}
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string jsVal = Html::escapeForJavaScript( dictId );
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head += "<script language=\"JavaScript\">var gdArticleContents; "
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"if ( !gdArticleContents ) gdArticleContents = \"" + jsVal +" \"; "
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"else gdArticleContents += \"" + jsVal + " \";</script>";
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head += string( "<span class=\"gdarticle" ) +
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( closePrevSpan ? "" : " gdactivearticle" ) +
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"\" id=\"" + gdFrom +
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"\" onClick=\"gdMakeArticleActive( '" + jsVal + "' );\" " +
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" onContextMenu=\"gdMakeArticleActive( '" + jsVal + "' );\""
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+ ">";
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closePrevSpan = true;
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head += string( "<div class=\"gddictname\"><span class=\"gdfromprefix\">" ) +
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Html::escape( tr( "From " ).toUtf8().data() ) + "</span>" +
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Html::escape( activeDict->getName().c_str() )
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+ "</div>";
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head += "<span class=\"gdarticlebody gdlangfrom-";
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head += LangCoder::intToCode2( activeDict->getLangFrom() ).toAscii().data();
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head += "\" lang=\"";
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head += LangCoder::intToCode2( activeDict->getLangTo() ).toAscii().data();
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head += "\">";
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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 ( closePrevSpan )
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{
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footer += "</span></span>";
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closePrevSpan = false;
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}
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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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// Larger words are usually whole sentences - don't clutter the ouput
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// with their full bodies.
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footer += ArticleMaker::makeNotFoundBody( word.size() < 40 ? word : "", group );
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// When there were no definitions, we run stemmed search.
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stemmedWordFinder = new WordFinder( this );
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connect( stemmedWordFinder.get(), SIGNAL( finished() ),
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this, SLOT( stemmedSearchFinished() ), Qt::QueuedConnection );
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stemmedWordFinder->stemmedMatch( word, activeDicts );
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}
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else
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{
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footer += "</body></html>";
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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() + footer.size() );
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memcpy( &data.front() + offset, footer.data(), footer.size() );
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}
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if ( stemmedWordFinder.get() )
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update();
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else
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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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void ArticleRequest::stemmedSearchFinished()
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{
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// Got stemmed matching results
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WordFinder::SearchResults sr = stemmedWordFinder->getResults();
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string footer;
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bool continueMatching = false;
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if ( sr.size() )
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{
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footer += "<div class=\"gdstemmedsuggestion\"><span class=\"gdstemmedsuggestion_head\">" +
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Html::escape( tr( "Close words: " ).toUtf8().data() ) +
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"</span><span class=\"gdstemmedsuggestion_body\">";
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for( unsigned x = 0; x < sr.size(); ++x )
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{
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footer += linkWord( sr[ x ].first );
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if ( x != sr.size() - 1 )
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{
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footer += ", ";
|
|
}
|
|
}
|
|
|
|
footer += "</span></div>";
|
|
}
|
|
|
|
splittedWords = splitIntoWords( word );
|
|
|
|
if ( splittedWords.first.size() > 1 ) // Contains more than one word
|
|
{
|
|
disconnect( stemmedWordFinder.get(), SIGNAL( finished() ),
|
|
this, SLOT( stemmedSearchFinished() ) );
|
|
|
|
connect( stemmedWordFinder.get(), SIGNAL( finished() ),
|
|
this, SLOT( individualWordFinished() ), Qt::QueuedConnection );
|
|
|
|
currentSplittedWordStart = -1;
|
|
currentSplittedWordEnd = currentSplittedWordStart;
|
|
|
|
firstCompoundWasFound = false;
|
|
|
|
compoundSearchNextStep( false );
|
|
|
|
continueMatching = true;
|
|
}
|
|
|
|
if ( !continueMatching )
|
|
footer += "</body></html>";
|
|
|
|
{
|
|
Mutex::Lock _( dataMutex );
|
|
|
|
size_t offset = data.size();
|
|
|
|
data.resize( data.size() + footer.size() );
|
|
|
|
memcpy( &data.front() + offset, footer.data(), footer.size() );
|
|
}
|
|
|
|
if ( continueMatching )
|
|
update();
|
|
else
|
|
finish();
|
|
}
|
|
|
|
void ArticleRequest::compoundSearchNextStep( bool lastSearchSucceeded )
|
|
{
|
|
if ( !lastSearchSucceeded )
|
|
{
|
|
// Last search was unsuccessful. First, emit what we had.
|
|
|
|
string footer;
|
|
|
|
if ( currentSplittedWordEnd - currentSplittedWordStart > 1 ) // We have something to append
|
|
{
|
|
// printf( "Appending\n" );
|
|
|
|
--currentSplittedWordEnd;
|
|
|
|
if ( !firstCompoundWasFound )
|
|
{
|
|
// Append the beginning
|
|
footer += "<div class=\"gdstemmedsuggestion\"><span class=\"gdstemmedsuggestion_head\">" +
|
|
Html::escape( tr( "Compound expressions: " ).toUtf8().data() ) +
|
|
"</span><span class=\"gdstemmedsuggestion_body\">";
|
|
|
|
firstCompoundWasFound = true;
|
|
}
|
|
else
|
|
{
|
|
// Append the separator
|
|
footer += " / ";
|
|
}
|
|
|
|
footer += linkWord( makeSplittedWordCompound() );
|
|
}
|
|
|
|
// Then, start a new search for the next word, if possible
|
|
|
|
if ( currentSplittedWordStart >= splittedWords.first.size() - 2 )
|
|
{
|
|
// The last word was the last possible to start from
|
|
|
|
if ( firstCompoundWasFound )
|
|
footer += "</span>";
|
|
|
|
// Now add links to all the individual words. They conclude the result.
|
|
|
|
footer += "<div class=\"gdstemmedsuggestion\"><span class=\"gdstemmedsuggestion_head\">" +
|
|
Html::escape( tr( "Individual words: " ).toUtf8().data() ) +
|
|
"</span><span class=\"gdstemmedsuggestion_body\">";
|
|
|
|
footer += escapeSpacing( splittedWords.second[ 0 ] );
|
|
|
|
for( int x = 0; x < splittedWords.first.size(); ++x )
|
|
{
|
|
footer += linkWord( splittedWords.first[ x ] );
|
|
footer += escapeSpacing( splittedWords.second[ x + 1 ] );
|
|
}
|
|
|
|
footer += "</span>";
|
|
|
|
footer += "</body></html>";
|
|
|
|
appendToData( footer );
|
|
|
|
finish();
|
|
|
|
return;
|
|
}
|
|
|
|
if ( footer.size() )
|
|
{
|
|
appendToData( footer );
|
|
update();
|
|
}
|
|
|
|
// Advance to the next word and start from looking up two words
|
|
++currentSplittedWordStart;
|
|
currentSplittedWordEnd = currentSplittedWordStart + 1;
|
|
}
|
|
else
|
|
{
|
|
// Last lookup succeeded -- see if we can try the larger sequence
|
|
|
|
if ( currentSplittedWordEnd < splittedWords.first.size() - 1 )
|
|
{
|
|
// We can, indeed.
|
|
++currentSplittedWordEnd;
|
|
}
|
|
else
|
|
{
|
|
// We can't. Emit what we have and start over.
|
|
|
|
++currentSplittedWordEnd; // So we could use the same code for result
|
|
// emitting
|
|
|
|
// Initiate new lookup
|
|
compoundSearchNextStep( false );
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Build the compound sequence
|
|
|
|
currentSplittedWordCompound = makeSplittedWordCompound();
|
|
|
|
// Look it up
|
|
|
|
// printf( "Looking up %s\n", qPrintable( currentSplittedWordCompound ) );
|
|
|
|
stemmedWordFinder->stemmedMatch( currentSplittedWordCompound, activeDicts, 0, 0, 1 );
|
|
}
|
|
|
|
QString ArticleRequest::makeSplittedWordCompound()
|
|
{
|
|
QString result;
|
|
|
|
result.clear();
|
|
|
|
for( int x = currentSplittedWordStart; x <= currentSplittedWordEnd; ++x )
|
|
{
|
|
result.append( splittedWords.first[ x ] );
|
|
|
|
if ( x < currentSplittedWordEnd )
|
|
{
|
|
wstring ws( gd::toWString( splittedWords.second[ x + 1 ] ) );
|
|
|
|
Folding::normalizeWhitespace( ws );
|
|
|
|
result.append( gd::toQString( ws ) );
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void ArticleRequest::individualWordFinished()
|
|
{
|
|
WordFinder::SearchResults const & results = stemmedWordFinder->getResults();
|
|
|
|
if ( results.size() )
|
|
{
|
|
// Check if the aliases are acceptable
|
|
wstring source = Folding::applySimpleCaseOnly( gd::toWString( currentSplittedWordCompound ) );
|
|
|
|
for( unsigned x = 0; x < results.size(); ++x )
|
|
if ( source == Folding::applySimpleCaseOnly( gd::toWString( results[ x ].first ) ) )
|
|
{
|
|
// Ok, good enough
|
|
compoundSearchNextStep( true );
|
|
return;
|
|
}
|
|
}
|
|
|
|
compoundSearchNextStep( false );
|
|
}
|
|
|
|
void ArticleRequest::appendToData( std::string const & str )
|
|
{
|
|
Mutex::Lock _( dataMutex );
|
|
|
|
size_t offset = data.size();
|
|
|
|
data.resize( data.size() + str.size() );
|
|
|
|
memcpy( &data.front() + offset, str.data(), str.size() );
|
|
|
|
}
|
|
|
|
QPair< ArticleRequest::Words, ArticleRequest::Spacings > ArticleRequest::splitIntoWords( QString const & input )
|
|
{
|
|
QPair< Words, Spacings > result;
|
|
|
|
QChar const * ptr = input.data();
|
|
|
|
for( ; ; )
|
|
{
|
|
QString spacing;
|
|
|
|
for( ; ptr->unicode() && ( Folding::isPunct( ptr->unicode() ) || Folding::isWhitespace( ptr->unicode() ) ); ++ptr )
|
|
spacing.append( *ptr );
|
|
|
|
result.second.append( spacing );
|
|
|
|
QString word;
|
|
|
|
for( ; ptr->unicode() && !( Folding::isPunct( ptr->unicode() ) || Folding::isWhitespace( ptr->unicode() ) ); ++ptr )
|
|
word.append( *ptr );
|
|
|
|
if ( word.isEmpty() )
|
|
break;
|
|
|
|
result.first.append( word );
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
string ArticleRequest::linkWord( QString const & str )
|
|
{
|
|
QUrl url;
|
|
|
|
url.setScheme( "gdlookup" );
|
|
url.setHost( "localhost" );
|
|
url.setPath( str );
|
|
|
|
string escapedResult = Html::escape( str.toUtf8().data() );
|
|
return string( "<a href=\"" ) + url.toEncoded().data() + "\">" + escapedResult +"</a>";
|
|
}
|
|
|
|
std::string ArticleRequest::escapeSpacing( QString const & str )
|
|
{
|
|
QByteArray spacing = Html::escape( str.toUtf8().data() ).c_str();
|
|
|
|
spacing.replace( "\n", "<br>" );
|
|
|
|
return spacing.data();
|
|
}
|