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article_maker.cc
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article_maker.cc
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/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#include "article_maker.hh"
#include "config.hh"
#include "htmlescape.hh"
#include "utf8.hh"
#include "wstring_qt.hh"
#include <limits.h>
#include <QFile>
#include <QUrl>
#include <QTextDocumentFragment>
#include "folding.hh"
#include "langcoder.hh"
#include "gddebug.hh"
#include "utils.hh"
#include "globalbroadcaster.h"
using std::vector;
using std::string;
using gd::wstring;
using std::set;
using std::list;
ArticleMaker::ArticleMaker( vector< sptr< Dictionary::Class > > const & dictionaries_,
vector< Instances::Group > const & groups_,
QString const & displayStyle_,
QString const & addonStyle_):
dictionaries( dictionaries_ ),
groups( groups_ ),
displayStyle( displayStyle_ ),
addonStyle( addonStyle_ ),
needExpandOptionalParts( true )
, collapseBigArticles( true )
, articleLimitSize( 500 )
{
}
void ArticleMaker::setDisplayStyle( QString const & st, QString const & adst )
{
displayStyle = st;
addonStyle = adst;
}
std::string ArticleMaker::makeHtmlHeader( QString const & word,
QString const & icon,
bool expandOptionalParts ) const
{
string result =
"<!DOCTYPE html>"
"<html><head>"
"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">";
// add jquery
{
result += "<script type=\"text/javascript\" "
"src=\"qrc:///scripts/jquery-3.6.0.slim.min.js\"></script>";
result += "<script> var $_$=$.noConflict(); </script>";
//custom javascript
result += R"(<script type="text/javascript" src="qrc:///scripts/gd-custom.js"></script>)";
//iframe resizer javascript
result += R"(<script type="text/javascript" src="qrc:///scripts/iframeResizer.min.js"></script>)";
}
// add qwebchannel
{
result += R"(<script type="text/javascript" src="qrc:///qtwebchannel/qwebchannel.js"></script>)";
}
// document ready ,init webchannel
{
result += "<script>"
" $_$(document).ready( function ($){ "
" console.log(\"webchannel ready...\"); "
" new QWebChannel(qt.webChannelTransport, function(channel) { "
" window.articleview = channel.objects.articleview; "
" }); "
" }); "
"</script>";
}
// Add a css stylesheet
{
result += R"(<link href="qrc:///article-style.css" media="all" rel="stylesheet" type="text/css">)";
if ( displayStyle.size() )
{
// Load an additional stylesheet
QString displayStyleCssFile = QString("qrc:///article-style-st-%1.css").arg(displayStyle);
result += "<link href=\"" + displayStyleCssFile.toStdString() +
R"(" media="all" rel="stylesheet" type="text/css">)";
}
result += readCssFile(Config::getUserCssFileName() ,"all");
if( !addonStyle.isEmpty() )
{
QString name = Config::getStylesDir() + addonStyle
+ QDir::separator() + "article-style.css";
result += readCssFile(name ,"all");
}
// Turn on/off expanding of article optional parts
if( expandOptionalParts )
{
result += "<!-- Expand optional parts css -->\n";
result += "<style type=\"text/css\" media=\"all\">\n";
result += "\n.dsl_opt\n{\n display: inline;\n}\n\n.hidden_expand_opt\n{\n display: none;\n}\n";
result += "</style>\n";
}
}
// Add print-only css
{
result += R"(<link href="qrc:///article-style-print.css" media="print" rel="stylesheet" type="text/css">)";
result += readCssFile(Config::getUserCssPrintFileName() ,"print");
if( !addonStyle.isEmpty() )
{
QString name = Config::getStylesDir() + addonStyle
+ QDir::separator() + "article-style-print.css";
result += readCssFile(name ,"print");
}
}
result += "<title>" + Html::escape( word.toStdString()) + "</title>";
// This doesn't seem to be much of influence right now, but we'll keep
// it anyway.
if ( icon.size() )
result += R"(<link rel="icon" type="image/png" href="qrcx://localhost/flags/)" + Html::escape( icon.toUtf8().data() ) + "\" />\n";
result += "<script type=\"text/javascript\">"
"function tr(key) {"
" var tr_map = {"
"\"Expand article\":\"";
result += tr("Expand article").toUtf8().data();
result += R"(","Collapse article":")";
result += tr("Collapse article").toUtf8().data();
result += "\" };"
"return tr_map[key] || '';"
"}"
"</script>";
result+= R"(<script type="text/javascript" src="qrc:///scripts/gd-builtin.js"></script>)";
if( GlobalBroadcaster::instance()->getPreference()->darkReaderMode )
{
result += R"(
<script src="qrc:///scripts/darkreader.js"></script>
<script>
DarkReader.enable({
brightness: 100,
contrast: 90,
sepia: 10
});
</script>
<style>
body , .gdarticle {
background: white;
}
</style>
)";
}
result += "</head><body>";
return result;
}
std::string ArticleMaker::readCssFile(QString const & fileName, std::string media) const{
QFile addonCss(fileName);
std::string result;
if (addonCss.open(QFile::ReadOnly)) {
QByteArray css = addonCss.readAll();
if (!css.isEmpty()) {
result += "<!-- Addon style css -->\n";
result += R"(<style type="text/css" media=")" + media + "\">\n";
result += css.data();
result += "</style>\n";
}
}
return result;
}
std::string ArticleMaker::makeNotFoundBody( QString const & word,
QString const & group )
{
string result( "<div class=\"gdnotfound\"><p>" );
QString str( word );
if( str.isRightToLeft() )
{
str.insert( 0, (ushort)0x202E ); // RLE, Right-to-Left Embedding
str.append( (ushort)0x202C ); // PDF, POP DIRECTIONAL FORMATTING
}
if ( word.size() )
result += tr( "No translation for <b>%1</b> was found in group <b>%2</b>." ).
arg( QString::fromUtf8( Html::escape( str.toUtf8().data() ).c_str() ) ).
arg( QString::fromUtf8( Html::escape( group.toUtf8().data() ).c_str() ) ).
toUtf8().data();
else
result += tr( "No translation was found in group <b>%1</b>." ).
arg( QString::fromUtf8( Html::escape( group.toUtf8().data() ).c_str() ) ).
toUtf8().data();
result += "</p></div>";
return result;
}
sptr< Dictionary::DataRequest > ArticleMaker::makeDefinitionFor(
Config::InputPhrase const & phrase, unsigned groupId,
QMap< QString, QString > const & contexts,
QSet< QString > const & mutedDicts,
QStringList const & dictIDs , bool ignoreDiacritics ) const
{
if( !dictIDs.isEmpty() )
{
QStringList ids = dictIDs;
std::vector< sptr< Dictionary::Class > > ftsDicts;
// Find dictionaries by ID's
for( unsigned x = 0; x < dictionaries.size(); x++ )
{
for( QStringList::Iterator it = ids.begin(); it != ids.end(); ++it )
{
if( *it == QString::fromStdString( dictionaries[ x ]->getId() ) )
{
ftsDicts.push_back( dictionaries[ x ] );
ids.erase( it );
break;
}
}
if( ids.isEmpty() )
break;
}
string header = makeHtmlHeader( phrase.phrase, QString(), true );
return std::make_shared<ArticleRequest>( phrase, "",
contexts, ftsDicts, header,
-1, true );
}
if ( groupId == Instances::Group::HelpGroupId )
{
// This is a special group containing internal welcome/help pages
string result = makeHtmlHeader( phrase.phrase, QString(), needExpandOptionalParts );
if ( phrase.phrase == tr( "Welcome!" ) )
{
result += tr(
"<h3 align=\"center\">Welcome to <b>GoldenDict</b>!</h3>"
"<p>To start working with the program, first visit <b>Edit|Dictionaries</b> to add some directory paths where to search "
"for the dictionary files, set up various Wikipedia sites or other sources, adjust dictionary order or create dictionary groups."
"<p>And then you're ready to look up your words! You can do that in this window "
"by using a pane to the left, or you can <a href=\"Working with popup\">look up words from other active applications</a>. "
"<p>To customize program, check out the available preferences at <b>Edit|Preferences</b>. "
"All settings there have tooltips, be sure to read them if you are in doubt about anything."
"<p>Should you need further help, have any questions, "
"suggestions or just wonder what the others think, you are welcome at the program's <a href=\"https://github.com/xiaoyifang/goldendict/discussions\">forum</a>."
"<p>Check program's <a href=\"https://github.com/xiaoyifang/goldendict\">website</a> for the updates. "
"<p>(c) 2008-2013 Konstantin Isakov. Licensed under GPLv3 or later."
).toUtf8().data();
}
else
if ( phrase.phrase == tr( "Working with popup" ) )
{
result += ( tr( "<h3 align=\"center\">Working with the popup</h3>"
"To look up words from other active applications, you would need to first activate the <i>\"Scan popup functionality\"</i> in <b>Preferences</b>, "
"and then enable it at any time either by triggering the 'Popup' icon above, or "
"by clicking the tray icon down below with your right mouse button and choosing so in the menu you've popped. " ) +
#ifdef Q_OS_WIN32
tr( "Then just stop the cursor over the word you want to look up in another application, "
"and a window would pop up which would describe it to you." )
#else
tr( "Then just select any word you want to look up in another application by your mouse "
"(double-click it or swipe it with mouse with the button pressed), "
"and a window would pop up which would describe the word to you." )
#endif
).toUtf8().data();
}
else
{
// Not found
return makeNotFoundTextFor( phrase.phrase, "help" );
}
result += "</body></html>";
sptr< Dictionary::DataRequestInstant > r = std::make_shared<Dictionary::DataRequestInstant>( true );
r->getData().resize( result.size() );
memcpy( &( r->getData().front() ), result.data(), result.size() );
return r;
}
// Find the given group
Instances::Group const * activeGroup = 0;
for( unsigned x = 0; x < groups.size(); ++x )
if ( groups[ x ].id == groupId )
{
activeGroup = &groups[ x ];
break;
}
// If we've found a group, use its dictionaries; otherwise, use the global
// heap.
std::vector< sptr< Dictionary::Class > > const & activeDicts =
activeGroup ? activeGroup->dictionaries : dictionaries;
string header = makeHtmlHeader( phrase.phrase,
activeGroup && activeGroup->icon.size() ?
activeGroup->icon : QString(),
needExpandOptionalParts );
if ( mutedDicts.size() )
{
std::vector< sptr< Dictionary::Class > > unmutedDicts;
unmutedDicts.reserve( activeDicts.size() );
for( unsigned x = 0; x < activeDicts.size(); ++x )
if ( !mutedDicts.contains(
QString::fromStdString( activeDicts[ x ]->getId() ) ) )
unmutedDicts.push_back( activeDicts[ x ] );
return std::make_shared<ArticleRequest>( phrase, activeGroup ? activeGroup->name : "",
contexts, unmutedDicts, header,
collapseBigArticles ? articleLimitSize : -1,
needExpandOptionalParts, ignoreDiacritics );
}
else
return std::make_shared<ArticleRequest>( phrase, activeGroup ? activeGroup->name : "",
contexts, activeDicts, header,
collapseBigArticles ? articleLimitSize : -1,
needExpandOptionalParts, ignoreDiacritics );
}
sptr< Dictionary::DataRequest > ArticleMaker::makeNotFoundTextFor(
QString const & word, QString const & group ) const
{
string result = makeHtmlHeader( word, QString(), true ) + makeNotFoundBody( word, group ) +
"</body></html>";
sptr< Dictionary::DataRequestInstant > r = std::make_shared<Dictionary::DataRequestInstant>( true );
r->getData().resize( result.size() );
memcpy( &( r->getData().front() ), result.data(), result.size() );
return r;
}
sptr< Dictionary::DataRequest > ArticleMaker::makeEmptyPage() const
{
string result = makeHtmlHeader( tr( "(untitled)" ), QString(), true ) +
"</body></html>";
sptr< Dictionary::DataRequestInstant > r =
std::make_shared<Dictionary::DataRequestInstant>( true );
r->getData().resize( result.size() );
memcpy( &( r->getData().front() ), result.data(), result.size() );
return r;
}
sptr< Dictionary::DataRequest > ArticleMaker::makePicturePage( string const & url ) const
{
string result = makeHtmlHeader( tr( "(picture)" ), QString(), true )
+ "<a href=\"javascript: if(history.length>2) history.go(-1)\">"
+ "<img src=\"" + url + "\" /></a>"
+ "</body></html>";
sptr< Dictionary::DataRequestInstant > r =
std::make_shared<Dictionary::DataRequestInstant>( true );
r->getData().resize( result.size() );
memcpy( &( r->getData().front() ), result.data(), result.size() );
return r;
}
void ArticleMaker::setExpandOptionalParts( bool expand )
{
needExpandOptionalParts = expand;
}
void ArticleMaker::setCollapseParameters( bool autoCollapse, int articleSize )
{
collapseBigArticles = autoCollapse;
articleLimitSize = articleSize;
}
bool ArticleMaker::adjustFilePath( QString & fileName )
{
QFileInfo info( fileName );
if( !info.isFile() )
{
QString dir = Config::getConfigDir();
dir.chop( 1 );
info.setFile( dir + fileName);
if( info.isFile() )
{
fileName = info.canonicalFilePath();
return true;
}
}
return false;
}
//////// ArticleRequest
ArticleRequest::ArticleRequest(
Config::InputPhrase const & phrase, QString const & group_,
QMap< QString, QString > const & contexts_,
vector< sptr< Dictionary::Class > > const & activeDicts_,
string const & header,
int sizeLimit, bool needExpandOptionalParts_, bool ignoreDiacritics_ ):
word( phrase.phrase ), group( group_ ), contexts( contexts_ ),
activeDicts( activeDicts_ ),
altsDone( false ), bodyDone( false ), foundAnyDefinitions( false ),
closePrevSpan( false )
, articleSizeLimit( sizeLimit )
, needExpandOptionalParts( needExpandOptionalParts_ )
, ignoreDiacritics( ignoreDiacritics_ )
{
if ( !phrase.punctuationSuffix.isEmpty() )
alts.insert( gd::toWString( phrase.phraseWithSuffix() ) );
// No need to lock dataMutex on construction
hasAnyData = true;
data.resize( header.size() );
memcpy( &data.front(), header.data(), header.size() );
//clear founded dicts.
emit GlobalBroadcaster::instance()->dictionaryClear( ActiveDictIds{word} );
// Accumulate main forms
for( unsigned x = 0; x < activeDicts.size(); ++x )
{
sptr< Dictionary::WordSearchRequest > s = activeDicts[ x ]->findHeadwordsForSynonym( gd::toWString( word ) );
connect( s.get(), &Dictionary::Request::finished, this, &ArticleRequest::altSearchFinished, Qt::QueuedConnection );
altSearches.push_back( s );
}
altSearchFinished(); // Handle any ones which have already finished
}
void ArticleRequest::altSearchFinished()
{
if ( altsDone )
return;
// Check every request for finishing
for( list< sptr< Dictionary::WordSearchRequest > >::iterator i =
altSearches.begin(); i != altSearches.end(); )
{
if ( (*i)->isFinished() )
{
// This one's finished
for( size_t count = (*i)->matchesCount(), x = 0; x < count; ++x )
alts.insert( (**i)[ x ].word );
altSearches.erase( i++ );
}
else
++i;
}
if ( altSearches.empty() )
{
#ifdef QT_DEBUG
qDebug( "alts finished" );
#endif
// They all've finished! Now we can look up bodies
altsDone = true; // So any pending signals in queued mode won't mess us up
vector< wstring > altsVector( alts.begin(), alts.end() );
#ifdef QT_DEBUG
for( unsigned x = 0; x < altsVector.size(); ++x )
{
qDebug() << "Alt:" << gd::toQString( altsVector[ x ] );
}
#endif
wstring wordStd = gd::toWString( word );
if( activeDicts.size() <= 1 )
articleSizeLimit = -1; // Don't collapse article if only one dictionary presented
for( unsigned x = 0; x < activeDicts.size(); ++x )
{
try
{
sptr< Dictionary::DataRequest > r =
activeDicts[ x ]->getArticle( wordStd, altsVector,
gd::toWString( contexts.value( QString::fromStdString( activeDicts[ x ]->getId() ) ) ),
ignoreDiacritics );
connect( r.get(), &Dictionary::Request::finished, this, &ArticleRequest::bodyFinished, Qt::QueuedConnection );
bodyRequests.push_back( r );
}
catch( std::exception & e )
{
gdWarning( "getArticle request error (%s) in \"%s\"\n",
e.what(), activeDicts[ x ]->getName().c_str() );
}
}
bodyFinished(); // Handle any ones which have already finished
}
}
int ArticleRequest::findEndOfCloseDiv( const QString &str, int pos )
{
for( ; ; )
{
int n1 = str.indexOf( "</div>", pos );
if( n1 <= 0 )
return n1;
int n2 = str.indexOf( "<div ", pos );
if( n2 <= 0 || n2 > n1 )
return n1 + 6;
pos = findEndOfCloseDiv( str, n2 + 1 );
if( pos <= 0 )
return pos;
}
}
void ArticleRequest::bodyFinished()
{
if ( bodyDone )
return;
GD_DPRINTF( "some body finished" );
bool wasUpdated = false;
QStringList dictIds;
while ( bodyRequests.size() )
{
// Since requests should go in order, check the first one first
if ( bodyRequests.front()->isFinished() )
{
// Good
GD_DPRINTF( "one finished." );
Dictionary::DataRequest & req = *bodyRequests.front();
QString errorString = req.getErrorString();
if ( req.dataSize() >= 0 || errorString.size() )
{
sptr< Dictionary::Class > const & activeDict =
activeDicts[ activeDicts.size() - bodyRequests.size() ];
string dictId = activeDict->getId();
dictIds << QString::fromStdString(dictId);
string head;
string gdFrom = "gdfrom-" + Html::escape( dictId );
if ( closePrevSpan )
{
head += R"(</div></div><div style="clear:both;"></div><span class="gdarticleseparator"></span>)";
}
bool collapse = false;
if( articleSizeLimit >= 0 )
{
try
{
Mutex::Lock _( dataMutex );
QString text = QString::fromUtf8( req.getFullData().data(), req.getFullData().size() );
if( !needExpandOptionalParts )
{
// Strip DSL optional parts
int pos = 0;
for( ; ; )
{
pos = text.indexOf( "<div class=\"dsl_opt\"" );
if( pos > 0 )
{
int endPos = findEndOfCloseDiv( text, pos + 1 );
if( endPos > pos)
text.remove( pos, endPos - pos );
else
break;
}
else
break;
}
}
int size = htmlTextSize( text );
if( size > articleSizeLimit )
collapse = true;
}
catch(...)
{
}
}
string jsVal = Html::escapeForJavaScript( dictId );
head += string( "<div class=\"gdarticle" ) +
( closePrevSpan ? "" : " gdactivearticle" ) +
( collapse ? " gdcollapsedarticle" : "" ) +
"\" id=\"" + gdFrom +
"\" onClick=\"gdMakeArticleActive( '" + jsVal + "' );\" " +
" onContextMenu=\"gdMakeArticleActive( '" + jsVal + "' );\""
+ ">";
closePrevSpan = true;
head += string( R"(<div class="gddictname" onclick="gdExpandArticle(')" ) + dictId + "\');"
+ ( collapse ? "\" style=\"cursor:pointer;" : "" )
+ "\" id=\"gddictname-" + Html::escape( dictId ) + "\""
+ ( collapse ? string( " title=\"" ) + tr( "Expand article" ).toUtf8().data() + "\"" : "" )
+ R"(><span class="gddicticon"><img src="gico://)" + Html::escape( dictId )
+ R"(/dicticon.png"></span><span class="gdfromprefix">)" +
Html::escape( tr( "From " ).toUtf8().data() ) + "</span><span class=\"gddicttitle\">" +
Html::escape( activeDict->getName().c_str() ) + "</span>"
+ R"(<span class="collapse_expand_area"><img src="qrcx://localhost/icons/blank.png" class=")"
+ ( collapse ? "gdexpandicon" : "gdcollapseicon" )
+ "\" id=\"expandicon-" + Html::escape( dictId ) + "\""
+ ( collapse ? "" : string( " title=\"" ) + tr( "Collapse article" ).toUtf8().data() + "\"" )
+ "></span>" + "</div>";
head += "<div class=\"gddictnamebodyseparator\"></div>";
head += "<div class=\"gdarticlebody gdlangfrom-";
head += LangCoder::intToCode2( activeDict->getLangFrom() ).toLatin1().data();
head += "\" lang=\"";
head += LangCoder::intToCode2( activeDict->getLangTo() ).toLatin1().data();
head += "\"";
head += " style=\"display:";
head += collapse ? "none" : "inline";
head += string( "\" id=\"gdarticlefrom-" ) + Html::escape( dictId ) + "\">";
if ( errorString.size() )
{
head += "<div class=\"gderrordesc\">" +
Html::escape( tr( "Query error: %1" ).arg( errorString ).toUtf8().data() )
+ "</div>";
}
Mutex::Lock _( dataMutex );
size_t offset = data.size();
data.resize( data.size() + head.size() + ( req.dataSize() > 0 ? req.dataSize() : 0 ) );
memcpy( &data.front() + offset, head.data(), head.size() );
try
{
if ( req.dataSize() > 0 )
bodyRequests.front()->getDataSlice( 0, req.dataSize(),
&data.front() + offset + head.size() );
}
catch( std::exception & e )
{
gdWarning( "getDataSlice error: %s\n", e.what() );
}
wasUpdated = true;
foundAnyDefinitions = true;
}
GD_DPRINTF( "erasing.." );
bodyRequests.pop_front();
GD_DPRINTF( "erase done.." );
}
else
{
GD_DPRINTF( "one not finished." );
break;
}
}
if ( bodyRequests.empty() )
{
// No requests left, end the article
bodyDone = true;
{
string footer;
if ( closePrevSpan )
{
footer += "</div></div>";
closePrevSpan = false;
}
if ( !foundAnyDefinitions )
{
// No definitions were ever found, say so to the user.
// Larger words are usually whole sentences - don't clutter the output
// with their full bodies.
footer += ArticleMaker::makeNotFoundBody( word.size() < 40 ? word : "", group );
// When there were no definitions, we run stemmed search.
stemmedWordFinder = std::make_shared<WordFinder>( this );
connect( stemmedWordFinder.get(),
&WordFinder::finished,
this,
&ArticleRequest::stemmedSearchFinished,
Qt::QueuedConnection );
stemmedWordFinder->stemmedMatch( word, activeDicts );
}
else
{
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 ( stemmedWordFinder.get() )
{
update();
qDebug() << "send dicts(stemmed):" << word << ":" << dictIds;
emit GlobalBroadcaster::instance()->dictionaryChanges(ActiveDictIds{word, dictIds});
dictIds.clear();
}
else {
finish();
qDebug() << "send dicts(finished):" << word << ":" << dictIds;
emit GlobalBroadcaster::instance()->dictionaryChanges(ActiveDictIds{word, dictIds});
dictIds.clear();
}
} else if (wasUpdated) {
update();
qDebug() << "send dicts(updated):" << word << ":" << dictIds;
emit GlobalBroadcaster::instance()->dictionaryChanges(ActiveDictIds{word, dictIds});
dictIds.clear();
}
}
int ArticleRequest::htmlTextSize( QString html )
{
// website dictionary.
if( html.contains( QRegularExpression( "<iframe\\s*[^>]*>", QRegularExpression::CaseInsensitiveOption ) ) )
{
//arbitary number;
return 1000;
}
//https://bugreports.qt.io/browse/QTBUG-102757
QString stripStyleSheet =
html.remove( QRegularExpression( "<link\\s*[^>]*>", QRegularExpression::CaseInsensitiveOption ) )
.remove( QRegularExpression( R"(<script[\s\S]*?>[\s\S]*?<\/script>)", QRegularExpression::CaseInsensitiveOption|QRegularExpression::MultilineOption ) );
int size = QTextDocumentFragment::fromHtml( stripStyleSheet ).toPlainText().length();
return size;
}
void ArticleRequest::stemmedSearchFinished()
{
// Got stemmed matching results
WordFinder::SearchResults sr = stemmedWordFinder->getResults();
string footer;
bool continueMatching = false;
if ( sr.size() )
{
footer += R"(<div class="gdstemmedsuggestion"><span class="gdstemmedsuggestion_head">)" +
Html::escape( tr( "Close words: " ).toUtf8().data() ) +
"</span><span class=\"gdstemmedsuggestion_body\">";
for( unsigned x = 0; x < sr.size(); ++x )
{
footer += linkWord( sr[ x ].first );
if ( x != sr.size() - 1 )
{
footer += ", ";
}
}
footer += "</span></div>";
}
splittedWords = splitIntoWords( word );
if ( splittedWords.first.size() > 1 ) // Contains more than one word
{
disconnect( stemmedWordFinder.get(), &WordFinder::finished, this, &ArticleRequest::stemmedSearchFinished );
connect( stemmedWordFinder.get(),
&WordFinder::finished,
this,
&ArticleRequest::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 ( lastGoodCompoundResult.size() ) // We have something to append
{
// GD_DPRINTF( "Appending\n" );
if ( !firstCompoundWasFound )
{
// Append the beginning
footer += R"(<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( lastGoodCompoundResult );
lastGoodCompoundResult.clear();
}
// 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 += R"(<div class="gdstemmedsuggestion"><span class="gdstemmedsuggestion_head">)" +
Html::escape( tr( "Individual words: " ).toUtf8().data() ) +
"</span><span class=\"gdstemmedsuggestion_body\"";
if( splittedWords.first[ 0 ].isRightToLeft() )
footer += " dir=\"rtl\"";
footer += ">";
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
// GD_DPRINTF( "Looking up %s\n", qPrintable( currentSplittedWordCompound ) );
stemmedWordFinder->expressionMatch( currentSplittedWordCompound, activeDicts, 40, // Would one be enough? Leave 40 to be safe.
Dictionary::SuitableForCompoundSearching );
}
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;