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/*
* Kchmviewer - a CHM and EPUB file viewer with broad language support
* Copyright (C) 2004-2014 George Yunaev, gyunaev@ulduzsoft.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QTextCodec>
#include "helper_entitydecoder.h"
HelperEntityDecoder::HelperEntityDecoder(QTextCodec *encoder)
{
changeEncoding( encoder );
}
static inline QString encodeWithCodec( QTextCodec *encoder, const QByteArray& str )
{
return (encoder ? encoder->toUnicode( str.constData () ) : str);
}
void HelperEntityDecoder::changeEncoding(QTextCodec *encoder)
{
// Set up m_entityDecodeMap characters according to current textCodec
m_entityDecodeMap.clear();
m_entityDecodeMap["AElig"] = encodeWithCodec( encoder, "\306"); // capital AE diphthong (ligature)
m_entityDecodeMap["Aacute"] = encodeWithCodec( encoder, "\301"); // capital A, acute accent
m_entityDecodeMap["Acirc"] = encodeWithCodec( encoder, "\302"); // capital A, circumflex accent
m_entityDecodeMap["Agrave"] = encodeWithCodec( encoder, "\300"); // capital A, grave accent
m_entityDecodeMap["Aring"] = encodeWithCodec( encoder, "\305"); // capital A, ring
m_entityDecodeMap["Atilde"] = encodeWithCodec( encoder, "\303"); // capital A, tilde
m_entityDecodeMap["Auml"] = encodeWithCodec( encoder, "\304"); // capital A, dieresis or umlaut mark
m_entityDecodeMap["Ccedil"] = encodeWithCodec( encoder, "\307"); // capital C, cedilla
m_entityDecodeMap["Dstrok"] = encodeWithCodec( encoder, "\320"); // whatever
m_entityDecodeMap["ETH"] = encodeWithCodec( encoder, "\320"); // capital Eth, Icelandic
m_entityDecodeMap["Eacute"] = encodeWithCodec( encoder, "\311"); // capital E, acute accent
m_entityDecodeMap["Ecirc"] = encodeWithCodec( encoder, "\312"); // capital E, circumflex accent
m_entityDecodeMap["Egrave"] = encodeWithCodec( encoder, "\310"); // capital E, grave accent
m_entityDecodeMap["Euml"] = encodeWithCodec( encoder, "\313"); // capital E, dieresis or umlaut mark
m_entityDecodeMap["Iacute"] = encodeWithCodec( encoder, "\315"); // capital I, acute accent
m_entityDecodeMap["Icirc"] = encodeWithCodec( encoder, "\316"); // capital I, circumflex accent
m_entityDecodeMap["Igrave"] = encodeWithCodec( encoder, "\314"); // capital I, grave accent
m_entityDecodeMap["Iuml"] = encodeWithCodec( encoder, "\317"); // capital I, dieresis or umlaut mark
m_entityDecodeMap["Ntilde"] = encodeWithCodec( encoder, "\321"); // capital N, tilde
m_entityDecodeMap["Oacute"] = encodeWithCodec( encoder, "\323"); // capital O, acute accent
m_entityDecodeMap["Ocirc"] = encodeWithCodec( encoder, "\324"); // capital O, circumflex accent
m_entityDecodeMap["Ograve"] = encodeWithCodec( encoder, "\322"); // capital O, grave accent
m_entityDecodeMap["Oslash"] = encodeWithCodec( encoder, "\330"); // capital O, slash
m_entityDecodeMap["Otilde"] = encodeWithCodec( encoder, "\325"); // capital O, tilde
m_entityDecodeMap["Ouml"] = encodeWithCodec( encoder, "\326"); // capital O, dieresis or umlaut mark
m_entityDecodeMap["THORN"] = encodeWithCodec( encoder, "\336"); // capital THORN, Icelandic
m_entityDecodeMap["Uacute"] = encodeWithCodec( encoder, "\332"); // capital U, acute accent
m_entityDecodeMap["Ucirc"] = encodeWithCodec( encoder, "\333"); // capital U, circumflex accent
m_entityDecodeMap["Ugrave"] = encodeWithCodec( encoder, "\331"); // capital U, grave accent
m_entityDecodeMap["Uuml"] = encodeWithCodec( encoder, "\334"); // capital U, dieresis or umlaut mark
m_entityDecodeMap["Yacute"] = encodeWithCodec( encoder, "\335"); // capital Y, acute accent
m_entityDecodeMap["OElig"] = encodeWithCodec( encoder, "\338"); // capital Y, acute accent
m_entityDecodeMap["oelig"] = encodeWithCodec( encoder, "\339"); // capital Y, acute accent
m_entityDecodeMap["aacute"] = encodeWithCodec( encoder, "\341"); // small a, acute accent
m_entityDecodeMap["acirc"] = encodeWithCodec( encoder, "\342"); // small a, circumflex accent
m_entityDecodeMap["aelig"] = encodeWithCodec( encoder, "\346"); // small ae diphthong (ligature)
m_entityDecodeMap["agrave"] = encodeWithCodec( encoder, "\340"); // small a, grave accent
m_entityDecodeMap["aring"] = encodeWithCodec( encoder, "\345"); // small a, ring
m_entityDecodeMap["atilde"] = encodeWithCodec( encoder, "\343"); // small a, tilde
m_entityDecodeMap["auml"] = encodeWithCodec( encoder, "\344"); // small a, dieresis or umlaut mark
m_entityDecodeMap["ccedil"] = encodeWithCodec( encoder, "\347"); // small c, cedilla
m_entityDecodeMap["eacute"] = encodeWithCodec( encoder, "\351"); // small e, acute accent
m_entityDecodeMap["ecirc"] = encodeWithCodec( encoder, "\352"); // small e, circumflex accent
m_entityDecodeMap["Scaron"] = encodeWithCodec( encoder, "\352"); // small e, circumflex accent
m_entityDecodeMap["egrave"] = encodeWithCodec( encoder, "\350"); // small e, grave accent
m_entityDecodeMap["eth"] = encodeWithCodec( encoder, "\360"); // small eth, Icelandic
m_entityDecodeMap["euml"] = encodeWithCodec( encoder, "\353"); // small e, dieresis or umlaut mark
m_entityDecodeMap["iacute"] = encodeWithCodec( encoder, "\355"); // small i, acute accent
m_entityDecodeMap["icirc"] = encodeWithCodec( encoder, "\356"); // small i, circumflex accent
m_entityDecodeMap["igrave"] = encodeWithCodec( encoder, "\354"); // small i, grave accent
m_entityDecodeMap["iuml"] = encodeWithCodec( encoder, "\357"); // small i, dieresis or umlaut mark
m_entityDecodeMap["ntilde"] = encodeWithCodec( encoder, "\361"); // small n, tilde
m_entityDecodeMap["oacute"] = encodeWithCodec( encoder, "\363"); // small o, acute accent
m_entityDecodeMap["ocirc"] = encodeWithCodec( encoder, "\364"); // small o, circumflex accent
m_entityDecodeMap["ograve"] = encodeWithCodec( encoder, "\362"); // small o, grave accent
m_entityDecodeMap["oslash"] = encodeWithCodec( encoder, "\370"); // small o, slash
m_entityDecodeMap["otilde"] = encodeWithCodec( encoder, "\365"); // small o, tilde
m_entityDecodeMap["ouml"] = encodeWithCodec( encoder, "\366"); // small o, dieresis or umlaut mark
m_entityDecodeMap["szlig"] = encodeWithCodec( encoder, "\337"); // small sharp s, German (sz ligature)
m_entityDecodeMap["thorn"] = encodeWithCodec( encoder, "\376"); // small thorn, Icelandic
m_entityDecodeMap["uacute"] = encodeWithCodec( encoder, "\372"); // small u, acute accent
m_entityDecodeMap["ucirc"] = encodeWithCodec( encoder, "\373"); // small u, circumflex accent
m_entityDecodeMap["ugrave"] = encodeWithCodec( encoder, "\371"); // small u, grave accent
m_entityDecodeMap["uuml"] = encodeWithCodec( encoder, "\374"); // small u, dieresis or umlaut mark
m_entityDecodeMap["yacute"] = encodeWithCodec( encoder, "\375"); // small y, acute accent
m_entityDecodeMap["yuml"] = encodeWithCodec( encoder, "\377"); // small y, dieresis or umlaut mark
m_entityDecodeMap["iexcl"] = encodeWithCodec( encoder, "\241");
m_entityDecodeMap["cent"] = encodeWithCodec( encoder, "\242");
m_entityDecodeMap["pound"] = encodeWithCodec( encoder, "\243");
m_entityDecodeMap["curren"] = encodeWithCodec( encoder, "\244");
m_entityDecodeMap["yen"] = encodeWithCodec( encoder, "\245");
m_entityDecodeMap["brvbar"] = encodeWithCodec( encoder, "\246");
m_entityDecodeMap["sect"] = encodeWithCodec( encoder, "\247");
m_entityDecodeMap["uml"] = encodeWithCodec( encoder, "\250");
m_entityDecodeMap["ordf"] = encodeWithCodec( encoder, "\252");
m_entityDecodeMap["laquo"] = encodeWithCodec( encoder, "\253");
m_entityDecodeMap["not"] = encodeWithCodec( encoder, "\254");
m_entityDecodeMap["shy"] = encodeWithCodec( encoder, "\255");
m_entityDecodeMap["macr"] = encodeWithCodec( encoder, "\257");
m_entityDecodeMap["deg"] = encodeWithCodec( encoder, "\260");
m_entityDecodeMap["plusmn"] = encodeWithCodec( encoder, "\261");
m_entityDecodeMap["sup1"] = encodeWithCodec( encoder, "\271");
m_entityDecodeMap["sup2"] = encodeWithCodec( encoder, "\262");
m_entityDecodeMap["sup3"] = encodeWithCodec( encoder, "\263");
m_entityDecodeMap["acute"] = encodeWithCodec( encoder, "\264");
m_entityDecodeMap["micro"] = encodeWithCodec( encoder, "\265");
m_entityDecodeMap["para"] = encodeWithCodec( encoder, "\266");
m_entityDecodeMap["middot"] = encodeWithCodec( encoder, "\267");
m_entityDecodeMap["cedil"] = encodeWithCodec( encoder, "\270");
m_entityDecodeMap["ordm"] = encodeWithCodec( encoder, "\272");
m_entityDecodeMap["raquo"] = encodeWithCodec( encoder, "\273");
m_entityDecodeMap["frac14"] = encodeWithCodec( encoder, "\274");
m_entityDecodeMap["frac12"] = encodeWithCodec( encoder, "\275");
m_entityDecodeMap["frac34"] = encodeWithCodec( encoder, "\276");
m_entityDecodeMap["iquest"] = encodeWithCodec( encoder, "\277");
m_entityDecodeMap["times"] = encodeWithCodec( encoder, "\327");
m_entityDecodeMap["divide"] = encodeWithCodec( encoder, "\367");
m_entityDecodeMap["copy"] = encodeWithCodec( encoder, "\251"); // copyright sign
m_entityDecodeMap["reg"] = encodeWithCodec( encoder, "\256"); // registered sign
m_entityDecodeMap["nbsp"] = encodeWithCodec( encoder, "\240"); // non breaking space
m_entityDecodeMap["fnof"] = QChar((unsigned short) 402);
m_entityDecodeMap["Delta"] = QChar((unsigned short) 916);
m_entityDecodeMap["Pi"] = QChar((unsigned short) 928);
m_entityDecodeMap["Sigma"] = QChar((unsigned short) 931);
m_entityDecodeMap["beta"] = QChar((unsigned short) 946);
m_entityDecodeMap["gamma"] = QChar((unsigned short) 947);
m_entityDecodeMap["delta"] = QChar((unsigned short) 948);
m_entityDecodeMap["eta"] = QChar((unsigned short) 951);
m_entityDecodeMap["theta"] = QChar((unsigned short) 952);
m_entityDecodeMap["lambda"] = QChar((unsigned short) 955);
m_entityDecodeMap["mu"] = QChar((unsigned short) 956);
m_entityDecodeMap["nu"] = QChar((unsigned short) 957);
m_entityDecodeMap["pi"] = QChar((unsigned short) 960);
m_entityDecodeMap["rho"] = QChar((unsigned short) 961);
m_entityDecodeMap["lsquo"] = QChar((unsigned short) 8216);
m_entityDecodeMap["rsquo"] = QChar((unsigned short) 8217);
m_entityDecodeMap["rdquo"] = QChar((unsigned short) 8221);
m_entityDecodeMap["bdquo"] = QChar((unsigned short) 8222);
m_entityDecodeMap["trade"] = QChar((unsigned short) 8482);
m_entityDecodeMap["ldquo"] = QChar((unsigned short) 8220);
m_entityDecodeMap["ndash"] = QChar((unsigned short) 8211);
m_entityDecodeMap["mdash"] = QChar((unsigned short) 8212);
m_entityDecodeMap["bull"] = QChar((unsigned short) 8226);
m_entityDecodeMap["hellip"] = QChar((unsigned short) 8230);
m_entityDecodeMap["emsp"] = QChar((unsigned short) 8195);
m_entityDecodeMap["rarr"] = QChar((unsigned short) 8594);
m_entityDecodeMap["rArr"] = QChar((unsigned short) 8658);
m_entityDecodeMap["crarr"] = QChar((unsigned short) 8629);
m_entityDecodeMap["le"] = QChar((unsigned short) 8804);
m_entityDecodeMap["ge"] = QChar((unsigned short) 8805);
m_entityDecodeMap["lte"] = QChar((unsigned short) 8804); // wrong, but used somewhere
m_entityDecodeMap["gte"] = QChar((unsigned short) 8805); // wrong, but used somewhere
m_entityDecodeMap["dagger"] = QChar((unsigned short) 8224);
m_entityDecodeMap["Dagger"] = QChar((unsigned short) 8225);
m_entityDecodeMap["euro"] = QChar((unsigned short) 8364);
m_entityDecodeMap["asymp"] = QChar((unsigned short) 8776);
m_entityDecodeMap["isin"] = QChar((unsigned short) 8712);
m_entityDecodeMap["notin"] = QChar((unsigned short) 8713);
m_entityDecodeMap["prod"] = QChar((unsigned short) 8719);
m_entityDecodeMap["ne"] = QChar((unsigned short) 8800);
m_entityDecodeMap["amp"] = "&"; // ampersand
m_entityDecodeMap["gt"] = ">"; // greater than
m_entityDecodeMap["lt"] = "<"; // less than
m_entityDecodeMap["quot"] = "\""; // double quote
m_entityDecodeMap["apos"] = "'"; // single quote
m_entityDecodeMap["frasl"] = "/";
m_entityDecodeMap["minus"] = "-";
m_entityDecodeMap["oplus"] = "+";
m_entityDecodeMap["Prime"] = "\"";
}
QString HelperEntityDecoder::decode( const QString &entity ) const
{
// If entity is an ASCII code like 〽 - just decode it
if ( entity.isEmpty() )
{
return "";
}
else if ( entity[0] == '#' )
{
bool valid;
unsigned int ascode = entity.mid(1).toUInt( &valid );
if ( !valid )
{
qWarning ( "HelperEntityDecoder::decode: could not decode HTML entity '%s'", qPrintable( entity ) );
return QString::null;
}
return (QString) (QChar( ascode ));
}
else
{
QMap<QString, QString>::const_iterator it = m_entityDecodeMap.find( entity );
if ( it == m_entityDecodeMap.end() )
{
qWarning ("HelperEntityDecoder::decode: could not decode HTML entity '%s'", qPrintable( entity ));
return "";
}
return *it;
}
}
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