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stardict.cc
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/* This file is (c) 2008-2012 Konstantin Isakov <[email protected]>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#include "stardict.hh"
#include "btreeidx.hh"
#include "folding.hh"
#include "utf8.hh"
#include "chunkedstorage.hh"
#include "dictzip.h"
#include "xdxf2html.hh"
#include "htmlescape.hh"
#include "langcoder.hh"
#include "gddebug.hh"
#include "fsencoding.hh"
#include "filetype.hh"
#include "indexedzip.hh"
#include "tiff.hh"
#include "ftshelpers.hh"
#include "wstring_qt.hh"
#include <zlib.h>
#include <map>
#include <set>
#include <string>
#ifndef __WIN32
#include <arpa/inet.h>
#else
#include <winsock.h>
#endif
#include <stdlib.h>
#ifdef _MSC_VER
#include <stub_msvc.h>
#endif
#include <QString>
#include <QSemaphore>
#include <QThreadPool>
#include <QAtomicInt>
#include <QDebug>
#include <QRegExp>
#include <QStringList>
#include "ufile.hh"
#include "qt4x5.hh"
namespace Stardict {
using std::map;
using std::multimap;
using std::pair;
using std::set;
using std::string;
using gd::wstring;
using BtreeIndexing::WordArticleLink;
using BtreeIndexing::IndexedWords;
using BtreeIndexing::IndexInfo;
namespace {
DEF_EX( exNotAnIfoFile, "Not an .ifo file", Dictionary::Ex )
DEF_EX_STR( exBadFieldInIfo, "Bad field in .ifo file encountered:", Dictionary::Ex )
DEF_EX_STR( exNoIdxFile, "No corresponding .idx file was found for", Dictionary::Ex )
DEF_EX_STR( exNoDictFile, "No corresponding .dict file was found for", Dictionary::Ex )
DEF_EX_STR( exNoSynFile, "No corresponding .syn file was found for", Dictionary::Ex )
DEF_EX( ex64BitsNotSupported, "64-bit indices are not presently supported, sorry", Dictionary::Ex )
DEF_EX( exDicttypeNotSupported, "Dictionaries with dicttypes are not supported, sorry", Dictionary::Ex )
DEF_EX_STR( exCantReadFile, "Can't read file", Dictionary::Ex )
DEF_EX_STR( exWordIsTooLarge, "Enountered a word that is too large:", Dictionary::Ex )
DEF_EX_STR( exSuddenEndOfFile, "Sudden end of file", Dictionary::Ex )
DEF_EX_STR( exDictzipError, "DICTZIP error", Dictionary::Ex )
DEF_EX_STR( exIncorrectOffset, "Incorrect offset encountered in file", Dictionary::Ex )
/// Contents of an ifo file
struct Ifo
{
string version;
string bookname;
uint32_t wordcount, synwordcount, idxfilesize, idxoffsetbits;
string sametypesequence, dicttype, description;
string copyright, author, email, website, date;
Ifo( File::Class & );
};
enum
{
Signature = 0x58444953, // SIDX on little-endian, XDIS on big-endian
CurrentFormatVersion = 9 + BtreeIndexing::FormatVersion + Folding::Version
};
struct IdxHeader
{
uint32_t signature; // First comes the signature, SIDX
uint32_t formatVersion; // File format version (CurrentFormatVersion)
uint32_t chunksOffset; // The offset to chunks' storage
uint32_t indexBtreeMaxElements; // Two fields from IndexInfo
uint32_t indexRootOffset;
uint32_t wordCount; // Saved from Ifo::wordcount
uint32_t synWordCount; // Saved from Ifo::synwordcount
uint32_t bookNameSize; // Book name's length. Used to read it then.
uint32_t sameTypeSequenceSize; // That string's size. Used to read it then.
uint32_t langFrom; // Source language
uint32_t langTo; // Target language
uint32_t hasZipFile; // Non-zero means there's a zip file with resources present
uint32_t zipIndexBtreeMaxElements; // Two fields from IndexInfo of the zip
// resource index.
uint32_t zipIndexRootOffset;
}
#ifndef _MSC_VER
__attribute__((packed))
#endif
;
bool indexIsOldOrBad( string const & indexFile )
{
File::Class idx( indexFile, "rb" );
IdxHeader header;
return idx.readRecords( &header, sizeof( header ), 1 ) != 1 ||
header.signature != Signature ||
header.formatVersion != CurrentFormatVersion;
}
class StardictDictionary: public BtreeIndexing::BtreeDictionary
{
Mutex idxMutex;
File::Class idx;
IdxHeader idxHeader;
string bookName;
string sameTypeSequence;
ChunkedStorage::Reader chunks;
Mutex dzMutex;
dictData * dz;
Mutex resourceZipMutex;
IndexedZip resourceZip;
public:
StardictDictionary( string const & id, string const & indexFile,
vector< string > const & dictionaryFiles );
~StardictDictionary();
virtual string getName() throw()
{ return bookName; }
virtual map< Dictionary::Property, string > getProperties() throw()
{ return map< Dictionary::Property, string >(); }
virtual unsigned long getArticleCount() throw()
{ return idxHeader.wordCount; }
virtual unsigned long getWordCount() throw()
{ return idxHeader.wordCount + idxHeader.synWordCount; }
inline virtual quint32 getLangFrom() const
{ return idxHeader.langFrom; }
inline virtual quint32 getLangTo() const
{ return idxHeader.langTo; }
virtual sptr< Dictionary::WordSearchRequest > findHeadwordsForSynonym( wstring const & )
throw( std::exception );
virtual sptr< Dictionary::DataRequest > getArticle( wstring const &,
vector< wstring > const & alts,
wstring const & )
throw( std::exception );
virtual sptr< Dictionary::DataRequest > getResource( string const & name )
throw( std::exception );
virtual QString const& getDescription();
virtual QString getMainFilename();
virtual sptr< Dictionary::DataRequest > getSearchResults( QString const & searchString,
int searchMode, bool matchCase,
int distanceBetweenWords,
int maxResults );
virtual void getArticleText( uint32_t articleAddress, QString & headword, QString & text );
virtual void makeFTSIndex(QAtomicInt & isCancelled, bool firstIteration );
virtual void setFTSParameters( Config::FullTextSearch const & fts )
{
can_FTS = fts.enabled
&& !fts.disabledTypes.contains( "STARDICT", Qt::CaseInsensitive )
&& ( fts.maxDictionarySize == 0 || getArticleCount() <= fts.maxDictionarySize );
}
protected:
void loadIcon() throw();
private:
/// Retrives the article's offset/size in .dict file, and its headword.
void getArticleProps( uint32_t articleAddress,
string & headword,
uint32_t & offset, uint32_t & size );
/// Loads the article, storing its headword and formatting the data it has
/// into an html.
void loadArticle( uint32_t address,
string & headword,
string & articleText );
string loadString( size_t size );
string handleResource( char type, char const * resource, size_t size );
void pangoToHtml( QString & text );
friend class StardictResourceRequest;
friend class StardictArticleRequest;
friend class StardictHeadwordsRequest;
};
StardictDictionary::StardictDictionary( string const & id,
string const & indexFile,
vector< string > const & dictionaryFiles ):
BtreeDictionary( id, dictionaryFiles ),
idx( indexFile, "rb" ),
idxHeader( idx.read< IdxHeader >() ),
bookName( loadString( idxHeader.bookNameSize ) ),
sameTypeSequence( loadString( idxHeader.sameTypeSequenceSize ) ),
chunks( idx, idxHeader.chunksOffset )
{
// Open the .dict file
DZ_ERRORS error;
dz = dict_data_open( dictionaryFiles[ 2 ].c_str(), &error, 0 );
if ( !dz )
throw exDictzipError( string( dz_error_str( error ) )
+ "(" + dictionaryFiles[ 2 ] + ")" );
// Initialize the index
openIndex( IndexInfo( idxHeader.indexBtreeMaxElements,
idxHeader.indexRootOffset ),
idx, idxMutex );
// Open a resource zip file, if there's one
if ( idxHeader.hasZipFile &&
( idxHeader.zipIndexBtreeMaxElements ||
idxHeader.zipIndexRootOffset ) )
{
resourceZip.openIndex( IndexInfo( idxHeader.zipIndexBtreeMaxElements,
idxHeader.zipIndexRootOffset ),
idx, idxMutex );
QString zipName = QDir::fromNativeSeparators(
FsEncoding::decode( getDictionaryFilenames().back().c_str() ) );
if ( zipName.endsWith( ".zip", Qt::CaseInsensitive ) ) // Sanity check
resourceZip.openZipFile( zipName );
}
// Full-text search parameters
can_FTS = true;
ftsIdxName = indexFile + "_FTS";
if( !Dictionary::needToRebuildIndex( dictionaryFiles, ftsIdxName )
&& !FtsHelpers::ftsIndexIsOldOrBad( ftsIdxName, this ) )
FTS_index_completed.ref();
}
StardictDictionary::~StardictDictionary()
{
if ( dz )
dict_data_close( dz );
}
void StardictDictionary::loadIcon() throw()
{
if ( dictionaryIconLoaded )
return;
QString fileName =
QDir::fromNativeSeparators( FsEncoding::decode( getDictionaryFilenames()[ 0 ].c_str() ) );
// Remove the extension
fileName.chop( 3 );
if( !loadIconFromFile( fileName ) )
{
// Load failed -- use default icons
dictionaryNativeIcon = dictionaryIcon = QIcon(":/icons/icon32_stardict.png");
}
dictionaryIconLoaded = true;
}
string StardictDictionary::loadString( size_t size )
{
vector< char > data( size );
idx.read( &data.front(), data.size() );
return string( &data.front(), data.size() );
}
void StardictDictionary::getArticleProps( uint32_t articleAddress,
string & headword,
uint32_t & offset, uint32_t & size )
{
vector< char > chunk;
Mutex::Lock _( idxMutex );
char * articleData = chunks.getBlock( articleAddress, chunk );
memcpy( &offset, articleData, sizeof( uint32_t ) );
articleData += sizeof( uint32_t );
memcpy( &size, articleData, sizeof( uint32_t ) );
articleData += sizeof( uint32_t );
headword = articleData;
}
/// This function tries to make an html of the Stardict's resource typed
/// 'type', contained in a block pointed to by 'resource', 'size' bytes long.
string StardictDictionary::handleResource( char type, char const * resource, size_t size )
{
QString text;
switch( type )
{
case 'x': // Xdxf content
return Xdxf2Html::convert( string( resource, size ), Xdxf2Html::STARDICT, NULL, this, &resourceZip );
case 'h': // Html content
{
QString articleText = QString( "<div class=\"sdct_h\">" ) + QString::fromUtf8( resource, size ) + "</div>";
QRegExp imgRe( "(<\\s*img\\s+[^>]*src\\s*=\\s*[\"']+)(?!(?:data|https?|ftp):)", Qt::CaseInsensitive );
imgRe.setMinimal( true );
QRegExp linkRe( "(<\\s*link\\s+[^>]*href\\s*=\\s*[\"']+)(?!(?:data|https?|ftp):)", Qt::CaseInsensitive );
linkRe.setMinimal( true );
articleText.replace( imgRe , "\\1bres://" + QString::fromStdString( getId() ) + "/" )
.replace( linkRe, "\\1bres://" + QString::fromStdString( getId() ) + "/" );
// Handle links to articles
QRegExp linksReg( "<a(\\s*[^>]*)href\\s*=\\s*['\"](bword://)?([^'\"]+)['\"]" );
linksReg.setMinimal( true );
int pos = 0;
while( pos >= 0 )
{
pos = linksReg.indexIn( articleText, pos );
if( pos < 0 )
break;
QString link = linksReg.cap( 3 );
if( link.indexOf( ':' ) < 0 )
{
QString newLink;
if( link.indexOf( '#' ) < 0 )
newLink = QString( "<a" ) + linksReg.cap( 1 ) + "href=\"bword:" + link + "\"";
// Anchors
if( link.indexOf( '#' ) > 0 )
{
newLink = QString( "<a" ) + linksReg.cap( 1 ) + "href=\"gdlookup://localhost/" + link + "\"";
newLink.replace( "#", "?gdanchor=" );
}
if( !newLink.isEmpty() )
{
articleText.replace( pos, linksReg.cap( 0 ).size(), newLink );
pos += newLink.size();
}
else
pos += linksReg.cap( 0 ).size();
}
else
pos += linksReg.cap( 0 ).size();
}
return ( articleText.toUtf8().data() );
}
case 'm': // Pure meaning, usually means preformatted text
return "<div class=\"sdct_m\">" + Html::preformat( string( resource, size ), isToLanguageRTL() ) + "</div>";
case 'l': // Same as 'm', but not in utf8, instead in current locale's
// encoding.
// We just use Qt here, it should know better about system's
// locale.
return "<div class=\"sdct_l\">" + Html::preformat( QString::fromLocal8Bit( resource, size ).toUtf8().data(),
isToLanguageRTL() )
+ "</div>";
case 'g': // Pango markup.
text = QString::fromUtf8( resource, size );
pangoToHtml( text );
return "<div class=\"sdct_g\">" + string( text.toUtf8().data() ) + "</div>";
case 't': // Transcription
return "<div class=\"sdct_t\">" + Html::escape( string( resource, size ) ) + "</div>";
case 'y': // Chinese YinBiao or Japanese KANA. Examples are needed. For now,
// just output as pure escaped utf8.
return "<div class=\"sdct_y\">" + Html::escape( string( resource, size ) ) + "</div>";
case 'k': // KingSoft PowerWord data. We don't know how to handle that.
return "<div class=\"sdct_k\">" + Html::escape( string( resource, size ) ) + "</div>";
case 'w': // MediaWiki markup. We don't handle this right now.
return "<div class=\"sdct_w\">" + Html::escape( string( resource, size ) ) + "</div>";
case 'n': // WordNet data. We don't know anything about it.
return "<div class=\"sdct_n\">" + Html::escape( string( resource, size ) ) + "</div>";
case 'r': // Resource file list. For now, resources aren't handled.
return "<div class=\"sdct_r\">" + Html::escape( string( resource, size ) ) + "</div>";
case 'W': // An embedded Wav file. Unhandled yet.
return "<div class=\"sdct_W\">(an embedded .wav file)</div>";
case 'P': // An embedded picture file. Unhandled yet.
return "<div class=\"sdct_P\">(an embedded picture file)</div>";
}
if ( islower( type ) )
{
return string( "<b>Unknown textual entry type " ) + string( 1, type ) + ":</b> " + Html::escape( string( resource, size ) ) + "<br>";
}
else
return string( "<b>Unknown blob entry type " ) + string( 1, type ) + "</b><br>";
}
void StardictDictionary::pangoToHtml( QString & text )
{
/*
* Partially support for Pango Markup Language
* Attributes "fallback", "lang", "gravity", "gravity_hint" just ignored
*/
QRegExp spanRegex( "<span\\s*([^>]*)>", Qt::CaseInsensitive );
QRegExp styleRegex( "(\\w+)=\"([^\"]*)\"" );
text.replace( "\n", "<br>" );
int pos = 0;
do
{
pos = spanRegex.indexIn( text, pos );
if( pos >= 0 )
{
QString styles = spanRegex.cap( 1 );
QString newSpan( "<span style=\"" );
int stylePos = 0;
do
{
stylePos = styleRegex.indexIn( styles, stylePos );
QString style = styleRegex.cap( 1 );
if( stylePos >= 0 )
{
if( style.compare( "font_desc", Qt::CaseInsensitive ) == 0
|| style.compare( "font", Qt::CaseInsensitive ) == 0 )
{
// Parse font description
QStringList list = styleRegex.cap( 2 ).split( " ", QString::SkipEmptyParts );
int n;
QString sizeStr, stylesStr, familiesStr;
for( n = list.size() - 1; n >= 0; n-- )
{
QString str = list.at( n );
// font size
if( str[ 0 ].isNumber() )
{
sizeStr = QString( "font-size:" ) + str + ";";
continue;
}
// font style
if( str.compare( "normal", Qt::CaseInsensitive ) == 0
|| str.compare( "oblique", Qt::CaseInsensitive ) == 0
|| str.compare( "italic", Qt::CaseInsensitive ) == 0 )
{
if( !stylesStr.contains( "font-style:" ) )
stylesStr += QString( "font-style:" ) + str + ";";
continue;
}
// font variant
if( str.compare( "smallcaps", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-variant:small-caps" ) ;
continue;
}
// font weight
if( str.compare( "ultralight", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-weight:100;" );
continue;
}
if( str.compare( "light", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-weight:200;" );
continue;
}
if( str.compare( "bold", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-weight:bold;" );
continue;
}
if( str.compare( "ultrabold", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-weight:800;" );
continue;
}
if( str.compare( "heavy", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-weight:900" );
continue;
}
// font stretch
if( str.compare( "ultracondensed", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-stretch:ultra-condensed;" );
continue;
}
if( str.compare( "extracondensed", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-stretch:extra-condensed;" );
continue;
}
if( str.compare( "semicondensed", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-stretch:semi-condensed;" );
continue;
}
if( str.compare( "semiexpanded", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-stretch:semi-expanded;" );
continue;
}
if( str.compare( "extraexpanded", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-stretch:extra-expanded;" );
continue;
}
if( str.compare( "ultraexpanded", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-stretch:ultra-expanded;" );
continue;
}
if( str.compare( "condensed", Qt::CaseInsensitive ) == 0
|| str.compare( "expanded", Qt::CaseInsensitive ) == 0 )
{
stylesStr += QString( "font-stretch:" ) + str + ";";
continue;
}
// gravity
if( str.compare( "south", Qt::CaseInsensitive ) == 0
|| str.compare( "east", Qt::CaseInsensitive ) == 0
|| str.compare( "north", Qt::CaseInsensitive ) == 0
|| str.compare( "west", Qt::CaseInsensitive ) == 0
|| str.compare( "auto", Qt::CaseInsensitive ) == 0 )
{
continue;
}
break;
}
// last words is families list
if( n >= 0 )
{
familiesStr = QString( "font-family:" );
for( int i = 0; i <= n; i++ )
{
if( i > 0 && !familiesStr.endsWith( ',' ) )
familiesStr += ",";
familiesStr += list.at( i );
}
familiesStr += ";";
}
newSpan += familiesStr + stylesStr + sizeStr;
}
else if( style.compare( "font_family", Qt::CaseInsensitive ) == 0
|| style.compare( "face", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-family:" ) + styleRegex.cap( 2 ) + ";";
else if( style.compare( "font_size", Qt::CaseInsensitive ) == 0
|| style.compare( "size", Qt::CaseInsensitive ) == 0 )
{
if( styleRegex.cap( 2 )[ 0 ].isLetter()
|| styleRegex.cap( 2 ).endsWith( "px", Qt::CaseInsensitive )
|| styleRegex.cap( 2 ).endsWith( "pt", Qt::CaseInsensitive )
|| styleRegex.cap( 2 ).endsWith( "em", Qt::CaseInsensitive )
|| styleRegex.cap( 2 ).endsWith( "%" ) )
newSpan += QString( "font-size:" ) + styleRegex.cap( 2 ) +";";
else
{
int size = styleRegex.cap( 2 ).toInt();
if( size )
newSpan += QString( "font-size:%1pt;" ).arg( size / 1024.0, 0, 'f', 3 );
}
}
else if( style.compare( "font_style", Qt::CaseInsensitive ) == 0
|| style.compare( "style", Qt::CaseInsensitive ) == 0)
newSpan += QString( "font-style:" ) + styleRegex.cap( 2 ) + ";";
else if( style.compare( "weight", Qt::CaseInsensitive ) == 0
|| style.compare( "weight", Qt::CaseInsensitive ) == 0)
{
QString str = styleRegex.cap( 2 );
if( str.compare( "ultralight", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-weight:100;" );
else if( str.compare( "light", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-weight:200;" );
else if( str.compare( "ultrabold", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-weight:800;" );
else if( str.compare( "heavy", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-weight:900" );
else
newSpan += QString( "font-weight:" ) + str + ";";
}
else if( style.compare( "font_variant", Qt::CaseInsensitive ) == 0
|| style.compare( "variant", Qt::CaseInsensitive ) == 0 )
{
if( styleRegex.cap( 2 ).compare( "smallcaps", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-variant:small-caps" );
else
newSpan += QString( "font-variant:" ) + styleRegex.cap( 2 ) + ";";
}
else if( style.compare( "font_stretch", Qt::CaseInsensitive ) == 0
|| style.compare( "stretch", Qt::CaseInsensitive ) == 0 )
{
QString str = styleRegex.cap( 2 );
if( str.compare( "ultracondensed", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-stretch:ultra-condensed;" );
else if( str.compare( "extracondensed", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-stretch:extra-condensed;" );
else if( str.compare( "semicondensed", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-stretch:semi-condensed;" );
else if( str.compare( "semiexpanded", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-stretch:semi-expanded;" );
else if( str.compare( "extraexpanded", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-stretch:extra-expanded;" );
else if( str.compare( "ultraexpanded", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "font-stretch:ultra-expanded;" );
else
newSpan += QString( "font-stretch:" ) + str + ";";
}
else if( style.compare( "foreground", Qt::CaseInsensitive ) == 0
|| style.compare( "fgcolor", Qt::CaseInsensitive ) == 0
|| style.compare( "color", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "color:" ) + styleRegex.cap( 2 ) + ";";
else if( style.compare( "background", Qt::CaseInsensitive ) == 0
|| style.compare( "bgcolor", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "background-color:" ) + styleRegex.cap( 2 ) + ";";
else if( style.compare( "underline_color", Qt::CaseInsensitive ) == 0
|| style.compare( "strikethrough_color", Qt::CaseInsensitive ) == 0 )
newSpan += QString( "text-decoration-color:" ) + styleRegex.cap( 2 ) + ";";
else if( style.compare( "underline", Qt::CaseInsensitive ) == 0 )
{
if( styleRegex.cap( 2 ).compare( "none", Qt::CaseInsensitive ) )
newSpan += QString( "text-decoration-line:none;" );
else
{
newSpan += QString( "text-decoration-line:underline; " );
if( styleRegex.cap( 2 ).compare( "low", Qt::CaseInsensitive ) )
newSpan += QString( "text-decoration-style:dotted;" );
else if( styleRegex.cap( 2 ).compare( "single", Qt::CaseInsensitive ) )
newSpan += QString( "text-decoration-style:solid;" );
else if( styleRegex.cap( 2 ).compare( "error", Qt::CaseInsensitive ) )
newSpan += QString( "text-decoration-style:wavy;" );
else
newSpan += QString( "text-decoration-style:" ) + styleRegex.cap( 2 ) + ";";
}
}
else if( style.compare( "strikethrough", Qt::CaseInsensitive ) == 0 )
{
if( styleRegex.cap( 2 ).compare( "true", Qt::CaseInsensitive ) )
newSpan += QString( "text-decoration-line:line-through;" );
else
newSpan += QString( "text-decoration-line:none;" );
}
else if( style.compare( "rise", Qt::CaseInsensitive ) == 0 )
{
if( styleRegex.cap( 2 ).endsWith( "px", Qt::CaseInsensitive )
|| styleRegex.cap( 2 ).endsWith( "pt", Qt::CaseInsensitive )
|| styleRegex.cap( 2 ).endsWith( "em", Qt::CaseInsensitive )
|| styleRegex.cap( 2 ).endsWith( "%" ) )
newSpan += QString( "vertical-align:" ) + styleRegex.cap( 2 ) +";";
else
{
int riseValue = styleRegex.cap( 2 ).toInt();
if( riseValue )
newSpan += QString( "vertical-align:%1pt;" ).arg( riseValue / 1024.0, 0, 'f', 3 );
}
}
else if( style.compare( "letter_spacing", Qt::CaseInsensitive ) == 0 )
{
if( styleRegex.cap( 2 ).endsWith( "px", Qt::CaseInsensitive )
|| styleRegex.cap( 2 ).endsWith( "pt", Qt::CaseInsensitive )
|| styleRegex.cap( 2 ).endsWith( "em", Qt::CaseInsensitive )
|| styleRegex.cap( 2 ).endsWith( "%" ) )
newSpan += QString( "letter-spacing:" ) + styleRegex.cap( 2 ) +";";
else
{
int spacing = styleRegex.cap( 2 ).toInt();
if( spacing )
newSpan += QString( "letter-spacing:%1pt;" ).arg( spacing / 1024.0, 0, 'f', 3 );
}
}
stylePos += styleRegex.matchedLength();
}
}
while( stylePos >= 0 );
newSpan += "\">";
text.replace( pos, spanRegex.matchedLength(), newSpan );
pos += newSpan.size();
}
}
while( pos >= 0 );
text.replace( " ", " " );
}
void StardictDictionary::loadArticle( uint32_t address,
string & headword,
string & articleText )
{
uint32_t offset, size;
getArticleProps( address, headword, offset, size );
char * articleBody;
{
Mutex::Lock _( dzMutex );
// Note that the function always zero-pads the result.
articleBody = dict_data_read_( dz, offset, size, 0, 0 );
}
if ( !articleBody )
{
// throw exCantReadFile( getDictionaryFilenames()[ 2 ] );
articleText = string( "<div class=\"sdict_m\">DICTZIP error: " ) + dict_error_str( dz ) + "</div>";
return;
}
articleText.clear();
char * ptr = articleBody;
if ( sameTypeSequence.size() )
{
/// The sequence is known, it's not stored in the article itself
for( unsigned seq = 0; seq < sameTypeSequence.size(); ++seq )
{
// Last entry doesn't have size info -- it is inferred from
// the bytes left
bool entrySizeKnown = ( seq == sameTypeSequence.size() - 1 );
uint32_t entrySize = 0;
if ( entrySizeKnown )
entrySize = size;
else
if ( !size )
{
gdWarning( "Stardict: short entry for the word %s encountered in \"%s\".\n", headword.c_str(), getName().c_str() );
break;
}
char type = sameTypeSequence[ seq ];
if ( islower( type ) )
{
// Zero-terminated entry, unless it's the last one
if ( !entrySizeKnown )
entrySize = strlen( ptr );
if ( size < entrySize )
{
gdWarning( "Stardict: malformed entry for the word %s encountered in \"%s\".\n", headword.c_str(), getName().c_str() );
break;
}
articleText += handleResource( type, ptr, entrySize );
if ( !entrySizeKnown )
++entrySize; // Need to skip the zero byte
ptr += entrySize;
size -= entrySize;
}
else
if ( isupper( *ptr ) )
{
// An entry which has its size before contents, unless it's the last one
if ( !entrySizeKnown )
{
if ( size < sizeof( uint32_t ) )
{
gdWarning( "Stardict: malformed entry for the word %s encountered in \"%s\".\n", headword.c_str(), getName().c_str() );
break;
}
memcpy( &entrySize, ptr, sizeof( uint32_t ) );
entrySize = ntohl( entrySize );
ptr += sizeof( uint32_t );
size -= sizeof( uint32_t );
}
if ( size < entrySize )
{
gdWarning( "Stardict: malformed entry for the word %s encountered in \"%s\".\n", headword.c_str(), getName().c_str() );
break;
}
articleText += handleResource( type, ptr, entrySize );
ptr += entrySize;
size -= entrySize;
}
else
{
gdWarning( "Stardict: non-alpha entry type 0x%x for the word %s encountered in \"%s\".\n",
type, headword.c_str(), getName().c_str() );
break;
}
}
}
else
{
// The sequence is stored in each article separately
while( size )
{
if ( islower( *ptr ) )
{
// Zero-terminated entry
size_t len = strlen( ptr + 1 );
if ( size < len + 2 )
{
gdWarning( "Stardict: malformed entry for the word %s encountered in \"%s\".\n", headword.c_str(), getName().c_str() );
break;
}
articleText += handleResource( *ptr, ptr + 1, len );
ptr += len + 2;
size -= len + 2;
}
else
if ( isupper( *ptr ) )
{
// An entry which havs its size before contents
if ( size < sizeof( uint32_t ) + 1 )
{
gdWarning( "Stardict: malformed entry for the word %s encountered in \"%s\".\n", headword.c_str(), getName().c_str() );
break;
}
uint32_t entrySize;
memcpy( &entrySize, ptr + 1, sizeof( uint32_t ) );
entrySize = ntohl( entrySize );
if ( size < sizeof( uint32_t ) + 1 + entrySize )
{
gdWarning( "Stardict: malformed entry for the word %s encountered in \"%s\".\n", headword.c_str(), getName().c_str() );
break;
}
articleText += handleResource( *ptr, ptr + 1 + sizeof( uint32_t ), entrySize );
ptr += sizeof( uint32_t ) + 1 + entrySize;
size -= sizeof( uint32_t ) + 1 + entrySize;
}
else
{
gdWarning( "Stardict: non-alpha entry type 0x%x for the word %s encountered in \"%s\".\n",
(unsigned)*ptr, headword.c_str(), getName().c_str() );
break;
}
}
}
free( articleBody );
}
QString const& StardictDictionary::getDescription()
{
if( !dictionaryDescription.isEmpty() )
return dictionaryDescription;
File::Class ifoFile( getDictionaryFilenames()[ 0 ], "r" );
Ifo ifo( ifoFile );
if( !ifo.copyright.empty() )
{
QString copyright = QString::fromUtf8( ifo.copyright.c_str() )
.replace( "<br>", "\n", Qt::CaseInsensitive );
dictionaryDescription += QString( QObject::tr( "Copyright: %1%2" ) )
.arg( copyright )
.arg( "\n\n" );
}
if( !ifo.author.empty() )
{
QString author = QString::fromUtf8( ifo.author.c_str() );
dictionaryDescription += QString( QObject::tr( "Author: %1%2" ) )
.arg( author )
.arg( "\n\n" );
}
if( !ifo.email.empty() )
{
QString email = QString::fromUtf8( ifo.email.c_str() );
dictionaryDescription += QString( QObject::tr( "E-mail: %1%2" ) )
.arg( email )
.arg( "\n\n" );
}
if( !ifo.website.empty() )
{
QString website = QString::fromUtf8( ifo.website.c_str() );
dictionaryDescription += QString( QObject::tr( "Website: %1%2" ) )
.arg( website )
.arg( "\n\n" );
}
if( !ifo.date.empty() )
{
QString date = QString::fromUtf8( ifo.date.c_str() );
dictionaryDescription += QString( QObject::tr( "Date: %1%2" ) )
.arg( date )
.arg( "\n\n" );
}
if( !ifo.description.empty() )
{
QString desc = QString::fromUtf8( ifo.description.c_str() );
desc.replace( "\t", "<br/>" );
desc.replace( "\\n", "<br/>" );
desc.replace( "<br>", "<br/>", Qt::CaseInsensitive );
dictionaryDescription += Html::unescape( desc, true );
}
if( dictionaryDescription.isEmpty() )
dictionaryDescription = "NONE";
return dictionaryDescription;
}
QString StardictDictionary::getMainFilename()
{
return FsEncoding::decode( getDictionaryFilenames()[ 0 ].c_str() );
}
void StardictDictionary::makeFTSIndex( QAtomicInt & isCancelled, bool firstIteration )
{
if( !( Dictionary::needToRebuildIndex( getDictionaryFilenames(), ftsIdxName )
|| FtsHelpers::ftsIndexIsOldOrBad( ftsIdxName, this ) ) )
FTS_index_completed.ref();
if( haveFTSIndex() )
return;
if( ensureInitDone().size() )
return;
if( firstIteration && getArticleCount() > FTS::MaxDictionarySizeForFastSearch )
return;
gdDebug( "Stardict: Building the full-text index for dictionary: %s\n",
getName().c_str() );
try
{
FtsHelpers::makeFTSIndex( this, isCancelled );
FTS_index_completed.ref();
}
catch( std::exception &ex )
{
gdWarning( "Stardict: Failed building full-text search index for \"%s\", reason: %s\n", getName().c_str(), ex.what() );
QFile::remove( FsEncoding::decode( ftsIdxName.c_str() ) );
}
}