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211 lines
15 KiB
211 lines
15 KiB
/* |
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Kchmviewer - a CHM and EPUB file viewer with broad language support |
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SPDX-FileCopyrightText: 2004-2014 George Yunaev gyunaev@ulduzsoft.com |
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SPDX-License-Identifier: GPL-3.0-or-later |
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*/ |
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#include <QTextCodec> |
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#include "helper_entitydecoder.h" |
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HelperEntityDecoder::HelperEntityDecoder(QTextCodec *encoder) |
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{ |
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changeEncoding(encoder); |
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} |
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static inline QString encodeWithCodec(QTextCodec *encoder, const QByteArray &str) |
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{ |
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return (encoder ? encoder->toUnicode(str.constData()) : QString::fromUtf8(str)); |
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} |
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void HelperEntityDecoder::changeEncoding(QTextCodec *encoder) |
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{ |
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// Set up m_entityDecodeMap characters according to current textCodec |
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m_entityDecodeMap.clear(); |
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m_entityDecodeMap[QStringLiteral("AElig")] = encodeWithCodec(encoder, "\306"); // capital AE diphthong (ligature) |
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m_entityDecodeMap[QStringLiteral("Aacute")] = encodeWithCodec(encoder, "\301"); // capital A, acute accent |
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m_entityDecodeMap[QStringLiteral("Acirc")] = encodeWithCodec(encoder, "\302"); // capital A, circumflex accent |
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m_entityDecodeMap[QStringLiteral("Agrave")] = encodeWithCodec(encoder, "\300"); // capital A, grave accent |
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m_entityDecodeMap[QStringLiteral("Aring")] = encodeWithCodec(encoder, "\305"); // capital A, ring |
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m_entityDecodeMap[QStringLiteral("Atilde")] = encodeWithCodec(encoder, "\303"); // capital A, tilde |
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m_entityDecodeMap[QStringLiteral("Auml")] = encodeWithCodec(encoder, "\304"); // capital A, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("Ccedil")] = encodeWithCodec(encoder, "\307"); // capital C, cedilla |
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m_entityDecodeMap[QStringLiteral("Dstrok")] = encodeWithCodec(encoder, "\320"); // whatever |
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m_entityDecodeMap[QStringLiteral("ETH")] = encodeWithCodec(encoder, "\320"); // capital Eth, Icelandic |
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m_entityDecodeMap[QStringLiteral("Eacute")] = encodeWithCodec(encoder, "\311"); // capital E, acute accent |
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m_entityDecodeMap[QStringLiteral("Ecirc")] = encodeWithCodec(encoder, "\312"); // capital E, circumflex accent |
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m_entityDecodeMap[QStringLiteral("Egrave")] = encodeWithCodec(encoder, "\310"); // capital E, grave accent |
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m_entityDecodeMap[QStringLiteral("Euml")] = encodeWithCodec(encoder, "\313"); // capital E, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("Iacute")] = encodeWithCodec(encoder, "\315"); // capital I, acute accent |
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m_entityDecodeMap[QStringLiteral("Icirc")] = encodeWithCodec(encoder, "\316"); // capital I, circumflex accent |
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m_entityDecodeMap[QStringLiteral("Igrave")] = encodeWithCodec(encoder, "\314"); // capital I, grave accent |
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m_entityDecodeMap[QStringLiteral("Iuml")] = encodeWithCodec(encoder, "\317"); // capital I, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("Ntilde")] = encodeWithCodec(encoder, "\321"); // capital N, tilde |
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m_entityDecodeMap[QStringLiteral("Oacute")] = encodeWithCodec(encoder, "\323"); // capital O, acute accent |
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m_entityDecodeMap[QStringLiteral("Ocirc")] = encodeWithCodec(encoder, "\324"); // capital O, circumflex accent |
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m_entityDecodeMap[QStringLiteral("Ograve")] = encodeWithCodec(encoder, "\322"); // capital O, grave accent |
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m_entityDecodeMap[QStringLiteral("Oslash")] = encodeWithCodec(encoder, "\330"); // capital O, slash |
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m_entityDecodeMap[QStringLiteral("Otilde")] = encodeWithCodec(encoder, "\325"); // capital O, tilde |
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m_entityDecodeMap[QStringLiteral("Ouml")] = encodeWithCodec(encoder, "\326"); // capital O, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("THORN")] = encodeWithCodec(encoder, "\336"); // capital THORN, Icelandic |
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m_entityDecodeMap[QStringLiteral("Uacute")] = encodeWithCodec(encoder, "\332"); // capital U, acute accent |
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m_entityDecodeMap[QStringLiteral("Ucirc")] = encodeWithCodec(encoder, "\333"); // capital U, circumflex accent |
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m_entityDecodeMap[QStringLiteral("Ugrave")] = encodeWithCodec(encoder, "\331"); // capital U, grave accent |
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m_entityDecodeMap[QStringLiteral("Uuml")] = encodeWithCodec(encoder, "\334"); // capital U, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("Yacute")] = encodeWithCodec(encoder, "\335"); // capital Y, acute accent |
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m_entityDecodeMap[QStringLiteral("OElig")] = encodeWithCodec(encoder, "\338"); // capital Y, acute accent |
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m_entityDecodeMap[QStringLiteral("oelig")] = encodeWithCodec(encoder, "\339"); // capital Y, acute accent |
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m_entityDecodeMap[QStringLiteral("aacute")] = encodeWithCodec(encoder, "\341"); // small a, acute accent |
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m_entityDecodeMap[QStringLiteral("acirc")] = encodeWithCodec(encoder, "\342"); // small a, circumflex accent |
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m_entityDecodeMap[QStringLiteral("aelig")] = encodeWithCodec(encoder, "\346"); // small ae diphthong (ligature) |
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m_entityDecodeMap[QStringLiteral("agrave")] = encodeWithCodec(encoder, "\340"); // small a, grave accent |
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m_entityDecodeMap[QStringLiteral("aring")] = encodeWithCodec(encoder, "\345"); // small a, ring |
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m_entityDecodeMap[QStringLiteral("atilde")] = encodeWithCodec(encoder, "\343"); // small a, tilde |
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m_entityDecodeMap[QStringLiteral("auml")] = encodeWithCodec(encoder, "\344"); // small a, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("ccedil")] = encodeWithCodec(encoder, "\347"); // small c, cedilla |
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m_entityDecodeMap[QStringLiteral("eacute")] = encodeWithCodec(encoder, "\351"); // small e, acute accent |
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m_entityDecodeMap[QStringLiteral("ecirc")] = encodeWithCodec(encoder, "\352"); // small e, circumflex accent |
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m_entityDecodeMap[QStringLiteral("Scaron")] = encodeWithCodec(encoder, "\352"); // small e, circumflex accent |
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m_entityDecodeMap[QStringLiteral("egrave")] = encodeWithCodec(encoder, "\350"); // small e, grave accent |
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m_entityDecodeMap[QStringLiteral("eth")] = encodeWithCodec(encoder, "\360"); // small eth, Icelandic |
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m_entityDecodeMap[QStringLiteral("euml")] = encodeWithCodec(encoder, "\353"); // small e, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("iacute")] = encodeWithCodec(encoder, "\355"); // small i, acute accent |
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m_entityDecodeMap[QStringLiteral("icirc")] = encodeWithCodec(encoder, "\356"); // small i, circumflex accent |
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m_entityDecodeMap[QStringLiteral("igrave")] = encodeWithCodec(encoder, "\354"); // small i, grave accent |
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m_entityDecodeMap[QStringLiteral("iuml")] = encodeWithCodec(encoder, "\357"); // small i, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("ntilde")] = encodeWithCodec(encoder, "\361"); // small n, tilde |
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m_entityDecodeMap[QStringLiteral("oacute")] = encodeWithCodec(encoder, "\363"); // small o, acute accent |
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m_entityDecodeMap[QStringLiteral("ocirc")] = encodeWithCodec(encoder, "\364"); // small o, circumflex accent |
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m_entityDecodeMap[QStringLiteral("ograve")] = encodeWithCodec(encoder, "\362"); // small o, grave accent |
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m_entityDecodeMap[QStringLiteral("oslash")] = encodeWithCodec(encoder, "\370"); // small o, slash |
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m_entityDecodeMap[QStringLiteral("otilde")] = encodeWithCodec(encoder, "\365"); // small o, tilde |
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m_entityDecodeMap[QStringLiteral("ouml")] = encodeWithCodec(encoder, "\366"); // small o, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("szlig")] = encodeWithCodec(encoder, "\337"); // small sharp s, German (sz ligature) |
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m_entityDecodeMap[QStringLiteral("thorn")] = encodeWithCodec(encoder, "\376"); // small thorn, Icelandic |
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m_entityDecodeMap[QStringLiteral("uacute")] = encodeWithCodec(encoder, "\372"); // small u, acute accent |
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m_entityDecodeMap[QStringLiteral("ucirc")] = encodeWithCodec(encoder, "\373"); // small u, circumflex accent |
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m_entityDecodeMap[QStringLiteral("ugrave")] = encodeWithCodec(encoder, "\371"); // small u, grave accent |
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m_entityDecodeMap[QStringLiteral("uuml")] = encodeWithCodec(encoder, "\374"); // small u, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("yacute")] = encodeWithCodec(encoder, "\375"); // small y, acute accent |
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m_entityDecodeMap[QStringLiteral("yuml")] = encodeWithCodec(encoder, "\377"); // small y, dieresis or umlaut mark |
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m_entityDecodeMap[QStringLiteral("iexcl")] = encodeWithCodec(encoder, "\241"); |
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m_entityDecodeMap[QStringLiteral("cent")] = encodeWithCodec(encoder, "\242"); |
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m_entityDecodeMap[QStringLiteral("pound")] = encodeWithCodec(encoder, "\243"); |
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m_entityDecodeMap[QStringLiteral("curren")] = encodeWithCodec(encoder, "\244"); |
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m_entityDecodeMap[QStringLiteral("yen")] = encodeWithCodec(encoder, "\245"); |
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m_entityDecodeMap[QStringLiteral("brvbar")] = encodeWithCodec(encoder, "\246"); |
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m_entityDecodeMap[QStringLiteral("sect")] = encodeWithCodec(encoder, "\247"); |
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m_entityDecodeMap[QStringLiteral("uml")] = encodeWithCodec(encoder, "\250"); |
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m_entityDecodeMap[QStringLiteral("ordf")] = encodeWithCodec(encoder, "\252"); |
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m_entityDecodeMap[QStringLiteral("laquo")] = encodeWithCodec(encoder, "\253"); |
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m_entityDecodeMap[QStringLiteral("not")] = encodeWithCodec(encoder, "\254"); |
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m_entityDecodeMap[QStringLiteral("shy")] = encodeWithCodec(encoder, "\255"); |
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m_entityDecodeMap[QStringLiteral("macr")] = encodeWithCodec(encoder, "\257"); |
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m_entityDecodeMap[QStringLiteral("deg")] = encodeWithCodec(encoder, "\260"); |
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m_entityDecodeMap[QStringLiteral("plusmn")] = encodeWithCodec(encoder, "\261"); |
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m_entityDecodeMap[QStringLiteral("sup1")] = encodeWithCodec(encoder, "\271"); |
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m_entityDecodeMap[QStringLiteral("sup2")] = encodeWithCodec(encoder, "\262"); |
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m_entityDecodeMap[QStringLiteral("sup3")] = encodeWithCodec(encoder, "\263"); |
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m_entityDecodeMap[QStringLiteral("acute")] = encodeWithCodec(encoder, "\264"); |
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m_entityDecodeMap[QStringLiteral("micro")] = encodeWithCodec(encoder, "\265"); |
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m_entityDecodeMap[QStringLiteral("para")] = encodeWithCodec(encoder, "\266"); |
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m_entityDecodeMap[QStringLiteral("middot")] = encodeWithCodec(encoder, "\267"); |
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m_entityDecodeMap[QStringLiteral("cedil")] = encodeWithCodec(encoder, "\270"); |
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m_entityDecodeMap[QStringLiteral("ordm")] = encodeWithCodec(encoder, "\272"); |
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m_entityDecodeMap[QStringLiteral("raquo")] = encodeWithCodec(encoder, "\273"); |
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m_entityDecodeMap[QStringLiteral("frac14")] = encodeWithCodec(encoder, "\274"); |
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m_entityDecodeMap[QStringLiteral("frac12")] = encodeWithCodec(encoder, "\275"); |
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m_entityDecodeMap[QStringLiteral("frac34")] = encodeWithCodec(encoder, "\276"); |
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m_entityDecodeMap[QStringLiteral("iquest")] = encodeWithCodec(encoder, "\277"); |
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m_entityDecodeMap[QStringLiteral("times")] = encodeWithCodec(encoder, "\327"); |
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m_entityDecodeMap[QStringLiteral("divide")] = encodeWithCodec(encoder, "\367"); |
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m_entityDecodeMap[QStringLiteral("copy")] = encodeWithCodec(encoder, "\251"); // copyright sign |
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m_entityDecodeMap[QStringLiteral("reg")] = encodeWithCodec(encoder, "\256"); // registered sign |
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m_entityDecodeMap[QStringLiteral("nbsp")] = encodeWithCodec(encoder, "\240"); // non breaking space |
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m_entityDecodeMap[QStringLiteral("fnof")] = QChar((unsigned short)402); |
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m_entityDecodeMap[QStringLiteral("Delta")] = QChar((unsigned short)916); |
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m_entityDecodeMap[QStringLiteral("Pi")] = QChar((unsigned short)928); |
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m_entityDecodeMap[QStringLiteral("Sigma")] = QChar((unsigned short)931); |
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m_entityDecodeMap[QStringLiteral("beta")] = QChar((unsigned short)946); |
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m_entityDecodeMap[QStringLiteral("gamma")] = QChar((unsigned short)947); |
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m_entityDecodeMap[QStringLiteral("delta")] = QChar((unsigned short)948); |
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m_entityDecodeMap[QStringLiteral("eta")] = QChar((unsigned short)951); |
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m_entityDecodeMap[QStringLiteral("theta")] = QChar((unsigned short)952); |
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m_entityDecodeMap[QStringLiteral("lambda")] = QChar((unsigned short)955); |
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m_entityDecodeMap[QStringLiteral("mu")] = QChar((unsigned short)956); |
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m_entityDecodeMap[QStringLiteral("nu")] = QChar((unsigned short)957); |
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m_entityDecodeMap[QStringLiteral("pi")] = QChar((unsigned short)960); |
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m_entityDecodeMap[QStringLiteral("rho")] = QChar((unsigned short)961); |
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m_entityDecodeMap[QStringLiteral("lsquo")] = QChar((unsigned short)8216); |
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m_entityDecodeMap[QStringLiteral("rsquo")] = QChar((unsigned short)8217); |
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m_entityDecodeMap[QStringLiteral("rdquo")] = QChar((unsigned short)8221); |
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m_entityDecodeMap[QStringLiteral("bdquo")] = QChar((unsigned short)8222); |
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m_entityDecodeMap[QStringLiteral("trade")] = QChar((unsigned short)8482); |
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m_entityDecodeMap[QStringLiteral("ldquo")] = QChar((unsigned short)8220); |
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m_entityDecodeMap[QStringLiteral("ndash")] = QChar((unsigned short)8211); |
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m_entityDecodeMap[QStringLiteral("mdash")] = QChar((unsigned short)8212); |
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m_entityDecodeMap[QStringLiteral("bull")] = QChar((unsigned short)8226); |
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m_entityDecodeMap[QStringLiteral("hellip")] = QChar((unsigned short)8230); |
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m_entityDecodeMap[QStringLiteral("emsp")] = QChar((unsigned short)8195); |
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m_entityDecodeMap[QStringLiteral("rarr")] = QChar((unsigned short)8594); |
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m_entityDecodeMap[QStringLiteral("rArr")] = QChar((unsigned short)8658); |
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m_entityDecodeMap[QStringLiteral("crarr")] = QChar((unsigned short)8629); |
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m_entityDecodeMap[QStringLiteral("le")] = QChar((unsigned short)8804); |
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m_entityDecodeMap[QStringLiteral("ge")] = QChar((unsigned short)8805); |
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m_entityDecodeMap[QStringLiteral("lte")] = QChar((unsigned short)8804); // wrong, but used somewhere |
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m_entityDecodeMap[QStringLiteral("gte")] = QChar((unsigned short)8805); // wrong, but used somewhere |
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m_entityDecodeMap[QStringLiteral("dagger")] = QChar((unsigned short)8224); |
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m_entityDecodeMap[QStringLiteral("Dagger")] = QChar((unsigned short)8225); |
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m_entityDecodeMap[QStringLiteral("euro")] = QChar((unsigned short)8364); |
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m_entityDecodeMap[QStringLiteral("asymp")] = QChar((unsigned short)8776); |
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m_entityDecodeMap[QStringLiteral("isin")] = QChar((unsigned short)8712); |
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m_entityDecodeMap[QStringLiteral("notin")] = QChar((unsigned short)8713); |
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m_entityDecodeMap[QStringLiteral("prod")] = QChar((unsigned short)8719); |
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m_entityDecodeMap[QStringLiteral("ne")] = QChar((unsigned short)8800); |
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m_entityDecodeMap[QStringLiteral("amp")] = QStringLiteral("&"); // ampersand |
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m_entityDecodeMap[QStringLiteral("gt")] = QStringLiteral(">"); // greater than |
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m_entityDecodeMap[QStringLiteral("lt")] = QStringLiteral("<"); // less than |
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m_entityDecodeMap[QStringLiteral("quot")] = QStringLiteral("\""); // double quote |
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m_entityDecodeMap[QStringLiteral("apos")] = QStringLiteral("'"); // single quote |
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m_entityDecodeMap[QStringLiteral("frasl")] = QStringLiteral("/"); |
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m_entityDecodeMap[QStringLiteral("minus")] = QStringLiteral("-"); |
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m_entityDecodeMap[QStringLiteral("oplus")] = QStringLiteral("+"); |
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m_entityDecodeMap[QStringLiteral("Prime")] = QStringLiteral("\""); |
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} |
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QString HelperEntityDecoder::decode(const QString &entity) const |
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{ |
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// If entity is an ASCII code like 〽 - just decode it |
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if (entity.isEmpty()) { |
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return QLatin1String(""); |
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} else if (entity[0] == QLatin1Char('#')) { |
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bool valid; |
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unsigned int ascode = entity.midRef(1).toUInt(&valid); |
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if (!valid) { |
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qWarning("HelperEntityDecoder::decode: could not decode HTML entity '%s'", qPrintable(entity)); |
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return QString(); |
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} |
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return (QString)(QChar(ascode)); |
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} else { |
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QMap<QString, QString>::const_iterator it = m_entityDecodeMap.find(entity); |
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if (it == m_entityDecodeMap.end()) { |
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qWarning("HelperEntityDecoder::decode: could not decode HTML entity '%s'", qPrintable(entity)); |
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return QLatin1String(""); |
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} |
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return *it; |
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} |
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}
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