goldendict-ng/xdxf2html.cc
2012-02-21 01:47:14 +04:00

303 lines
7.9 KiB
C++

/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#include "xdxf2html.hh"
#include <QtXml>
#include "dprintf.hh"
#include "utf8.hh"
#include "wstring_qt.hh"
#include "folding.hh"
#include "fsencoding.hh"
#include "audiolink.hh"
#include "file.hh"
#include "filetype.hh"
#include "htmlescape.hh"
namespace Xdxf2Html {
string convert( string const & in, DICT_TYPE type, map < string, string > const * pAbrv, Dictionary::Class *dictPtr )
{
// DPRINTF( "Source>>>>>>>>>>: %s\n\n\n", in.c_str() );
// Convert spaces after each end of line to &nbsp;s, and then each end of
// line to a <br>
string inConverted;
inConverted.reserve( in.size() );
bool afterEol = false;
for( string::const_iterator i = in.begin(), j = in.end(); i != j; ++i )
{
switch( *i )
{
case '\n':
afterEol = true;
inConverted.append( "<br/>" );
break;
case ' ':
if ( afterEol )
{
inConverted.append( "&nbsp;" );
break;
}
// Fall-through
default:
inConverted.push_back( *i );
afterEol = false;
}
}
// We build a dom representation of the given xml, then do some transforms
QDomDocument dd;
QString errorStr;
int errorLine, errorColumn;
string in_data;
if( type == XDXF )
in_data = "<div class=\"xdxf\">";
else
in_data = "<div class=\"sdct_x\">";
in_data += inConverted + "</div>";
if ( !dd.setContent( QByteArray( in_data.c_str() ), false, &errorStr, &errorLine, &errorColumn ) )
{
FDPRINTF( stderr, "Xdxf2html error, xml parse failed: %s at %d,%d\n", errorStr.toLocal8Bit().constData(), errorLine, errorColumn );
FDPRINTF( stderr, "The input was: %s\n", in.c_str() );
return in;
}
QDomNodeList nodes = dd.elementsByTagName( "ex" ); // Example
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
el.setTagName( "span" );
el.setAttribute( "class", "xdxf_ex" );
}
nodes = dd.elementsByTagName( "k" ); // Key
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
if( type == STARDICT )
{
el.setTagName( "span" );
el.setAttribute( "class", "xdxf_k" );
}
else
{
el.setTagName( "div" );
el.setAttribute( "class", "xdxf_headwords" );
}
}
nodes = dd.elementsByTagName( "opt" ); // Optional headword part
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
el.setTagName( "span" );
el.setAttribute( "class", "xdxf_opt" );
}
nodes = dd.elementsByTagName( "kref" ); // Reference to another word
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
el.setTagName( "a" );
el.setAttribute( "href", QString( "bword:" ) + el.text() );
el.setAttribute( "class", "xdxf_kref" );
}
nodes = dd.elementsByTagName( "iref" ); // Reference to internet site
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
el.setTagName( "a" );
el.setAttribute( "href", el.text() );
}
nodes = dd.elementsByTagName( "abr" ); // Abbreviation
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
el.setTagName( "span" );
el.setAttribute( "class", "xdxf_abr" );
if( type == XDXF && pAbrv != NULL )
{
string val = Utf8::encode( Folding::trimWhitespace( gd::toWString( el.text() ) ) );
// If we have such a key, display a title
map< string, string >::const_iterator i = pAbrv->find( val );
if ( i != pAbrv->end() )
{
string title;
if ( Utf8::decode( i->second ).size() < 70 )
{
// Replace all spaces with non-breakable ones, since that's how
// Lingvo shows tooltips
title.reserve( i->second.size() );
for( char const * c = i->second.c_str(); *c; ++c )
if ( *c == ' ' || *c == '\t' )
{
// u00A0 in utf8
title.push_back( 0xC2 );
title.push_back( 0xA0 );
}
else
title.push_back( *c );
}
else
title = i->second;
el.setAttribute( "title", title.c_str() );
}
}
}
nodes = dd.elementsByTagName( "dtrn" ); // Direct translation
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
el.setTagName( "span" );
el.setAttribute( "class", "xdxf_dtrn" );
}
nodes = dd.elementsByTagName( "c" ); // Color
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
el.setTagName( "font" );
el.setAttribute( "class", "xdxf_c" );
if ( el.hasAttribute( "c" ) )
{
el.setAttribute( "color", el.attribute( "c" ) );
el.removeAttribute( "c" );
}
}
nodes = dd.elementsByTagName( "co" ); // Editorial comment
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
el.setTagName( "span" );
el.setAttribute( "class", "xdxf_co" );
}
nodes = dd.elementsByTagName( "tr" ); // Transcription
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
el.setTagName( "span" );
el.setAttribute( "class", "xdxf_tr" );
}
nodes = dd.elementsByTagName( "rref" ); // Resource reference
while( nodes.size() )
{
QDomElement el = nodes.at( 0 ).toElement();
if( type == XDXF && dictPtr != NULL && !el.hasAttribute( "start" ) )
{
string filename = Utf8::encode( gd::toWString( el.text() ) );
if ( Filetype::isNameOfPicture( filename ) )
{
QUrl url;
url.setScheme( "bres" );
url.setHost( QString::fromUtf8( dictPtr->getId().c_str() ) );
url.setPath( QString::fromUtf8( filename.c_str() ) );
QDomElement newEl = dd.createElement( "img" );
newEl.setAttribute( "src", url.toEncoded().data() );
newEl.setAttribute( "alt", Html::escape( filename ).c_str() );
QDomNode parent = el.parentNode();
if( !parent.isNull() )
{
parent.replaceChild( newEl, el );
continue;
}
}
else if( Filetype::isNameOfSound( filename ) )
{
QUrl url;
url.setScheme( "gdau" );
url.setHost( QString::fromUtf8( dictPtr->getId().c_str() ) );
url.setPath( QString::fromUtf8( filename.c_str() ) );
QDomElement el_script = dd.createElement( "script" );
QDomNode parent = el.parentNode();
if( !parent.isNull() )
{
el_script.setAttribute( "language", "JavaScript" );
parent.replaceChild( el_script, el );
QDomText el_txt = dd.createTextNode( makeAudioLinkScript( string( "\"" ) + url.toEncoded().data() + "\"",
dictPtr->getId() ).c_str() );
el_script.appendChild( el_txt );
QDomElement el_span = dd.createElement( "span" );
el_span.setAttribute( "class", "xdxf_wav" );
parent.insertAfter( el_span, el_script );
QDomElement el_a = dd.createElement( "a" );
el_a.setAttribute( "href", url.toEncoded().data() );
el_span.appendChild( el_a );
QDomElement el_img = dd.createElement( "img");
el_img.setAttribute( "src", "qrcx://localhost/icons/playsound.png" );
el_img.setAttribute( "border", "0" );
el_img.setAttribute( "align", "absmiddle" );
el_img.setAttribute( "alt", "Play" );
el_a.appendChild( el_img );
continue;
}
}
}
// We don't really know how to handle this at the moment, so we'll just
// convert it to a span and leave it as is for now.
el.setTagName( "span" );
el.setAttribute( "class", "xdxf_rref" );
}
// DPRINTF( "Result>>>>>>>>>>: %s\n\n\n", dd.toByteArray().data() );
return dd.toByteArray().data();
}
}