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core/ASCOfficeHtmlFile_SaxHtmlParser/HTMLReaderLib/LiteHTMLEntityResolver.h

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#pragma once
#include "../AVSOfficeHtmlFile/src/stdafx.h"
#include "LiteHTMLCommon.h"
#pragma warning(push, 4)
class CLiteHTMLEntityResolver
{
private:
class CCharEntityRefs : public CAtlMap<CString, TCHAR>
{
public:
CCharEntityRefs() : CAtlMap<CString, TCHAR>(55 /*iso8859-1*/ + 38/*math*/ + 52/*greek*/ + 50/*other*/)
{
/** C0 Controls and Basic Latin */
(*this)[_T("quot")] = _T('\x22');
(*this)[_T("amp")] = _T('\x26');
(*this)[_T("apos")] = _T('\x27');
(*this)[_T("lt")] = _T('\x3C');
(*this)[_T("gt")] = _T('\x3E');
/** ISO 8859-1 (Latin-1) characters */
(*this)[_T("nbsp")] = _T('\xA0');
(*this)[_T("iexcl")] = _T('\xA1');
(*this)[_T("cent")] = _T('\xA2');
(*this)[_T("pound")] = _T('\xA3');
(*this)[_T("current")] = _T('\xA4');
(*this)[_T("yen")] = _T('\xA5');
(*this)[_T("brvbar")] = _T('\xA6');
(*this)[_T("sect")] = _T('\xA7');
(*this)[_T("uml")] = _T('\xA8');
(*this)[_T("copy")] = _T('\xA9');
(*this)[_T("ordf")] = _T('\xAA');
(*this)[_T("laquo")] = _T('\xAB');
(*this)[_T("not")] = _T('\xAC');
(*this)[_T("shy")] = _T('\xAD');
(*this)[_T("reg")] = _T('\xAE');
(*this)[_T("macr")] = _T('\xAF');
(*this)[_T("deg")] = _T('\xB0');
(*this)[_T("plusmn")] = _T('\xB1');
(*this)[_T("sup2")] = _T('\xB2');
(*this)[_T("sup3")] = _T('\xB3');
(*this)[_T("acute")] = _T('\xB4');
(*this)[_T("micro")] = _T('\xB5');
(*this)[_T("para")] = _T('\xB6');
(*this)[_T("middot")] = _T('\xB7');
(*this)[_T("cedil")] = _T('\xB8');
(*this)[_T("sup1")] = _T('\xB9');
(*this)[_T("ordm")] = _T('\xBA');
(*this)[_T("raquo")] = _T('\xBB');
(*this)[_T("frac14")] = _T('\xBC');
(*this)[_T("frac12")] = _T('\xBD');
(*this)[_T("frac34")] = _T('\xBE');
(*this)[_T("iquest")] = _T('\xBF');
(*this)[_T("Agrave")] = _T('\xC0');
(*this)[_T("Aacute")] = _T('\xC1');
(*this)[_T("Acirc")] = _T('\xC2');
(*this)[_T("Atilde")] = _T('\xC3');
(*this)[_T("Auml")] = _T('\xC4');
(*this)[_T("Aring")] = _T('\xC5');
(*this)[_T("AElig")] = _T('\xC6');
(*this)[_T("Ccedil")] = _T('\xC7');
(*this)[_T("Egrave")] = _T('\xC8');
(*this)[_T("Eacute")] = _T('\xC9');
(*this)[_T("Ecirc")] = _T('\xCA');
(*this)[_T("Euml")] = _T('\xCB');
(*this)[_T("Igrave")] = _T('\xCC');
(*this)[_T("Iacute")] = _T('\xCD');
(*this)[_T("Icirc")] = _T('\xCE');
(*this)[_T("Iuml")] = _T('\xCF');
(*this)[_T("ETH")] = _T('\xD0');
(*this)[_T("Ntilde")] = _T('\xD1');
(*this)[_T("Ograve")] = _T('\xD2');
(*this)[_T("Oacute")] = _T('\xD3');
(*this)[_T("Ocirc")] = _T('\xD4');
(*this)[_T("Otilde")] = _T('\xD5');
(*this)[_T("Ouml")] = _T('\xD6');
(*this)[_T("times")] = _T('\xD7');
(*this)[_T("Oslash")] = _T('\xD8');
(*this)[_T("Ugrave")] = _T('\xD9');
(*this)[_T("Uacute")] = _T('\xDA');
(*this)[_T("Ucirc")] = _T('\xDB');
(*this)[_T("Uuml")] = _T('\xDC');
(*this)[_T("Yacute")] = _T('\xDD');
(*this)[_T("THORN")] = _T('\xDE');
(*this)[_T("szlig")] = _T('\xDF');
(*this)[_T("agrave")] = _T('\xE0');
(*this)[_T("aacute")] = _T('\xE1');
(*this)[_T("acirc")] = _T('\xE2');
(*this)[_T("atilde")] = _T('\xE3');
(*this)[_T("auml")] = _T('\xE4');
(*this)[_T("aring")] = _T('\xE5');
(*this)[_T("aelig")] = _T('\xE6');
(*this)[_T("ccedil")] = _T('\xE7');
(*this)[_T("egrave")] = _T('\xE8');
(*this)[_T("eacute")] = _T('\xE9');
(*this)[_T("ecirc")] = _T('\xEA');
(*this)[_T("euml")] = _T('\xEB');
(*this)[_T("igrave")] = _T('\xEC');
(*this)[_T("iacute")] = _T('\xED');
(*this)[_T("icirc")] = _T('\xEE');
(*this)[_T("iuml")] = _T('\xEF');
(*this)[_T("eth")] = _T('\xF0');
(*this)[_T("ntilde")] = _T('\xF1');
(*this)[_T("ograve")] = _T('\xF2');
(*this)[_T("oacute")] = _T('\xF3');
(*this)[_T("ocirc")] = _T('\xF4');
(*this)[_T("otilde")] = _T('\xF5');
(*this)[_T("ouml")] = _T('\xF6');
(*this)[_T("divide")] = _T('\xF7');
(*this)[_T("oslash")] = _T('\xF8');
(*this)[_T("ugrave")] = _T('\xF9');
(*this)[_T("uacute")] = _T('\xFA');
(*this)[_T("ucirc")] = _T('\xFB');
(*this)[_T("uuml")] = _T('\xFC');
(*this)[_T("yacute")] = _T('\xFD');
(*this)[_T("thorn")] = _T('\xFE');
(*this)[_T("yuml")] = _T('\xFF');
/** Math Symbols */
(*this)[_T("forall")] = _T('\x2200'); // for all
(*this)[_T("part")] = _T('\x2202'); // part
(*this)[_T("exist")] = _T('\x2203'); // exist
(*this)[_T("empty")] = _T('\x2205'); // empty
(*this)[_T("nabla")] = _T('\x2207'); // nabla
(*this)[_T("isin")] = _T('\x2208'); // isis
(*this)[_T("notin")] = _T('\x2209'); // notin
(*this)[_T("ni")] = _T('\x220B'); // ni
(*this)[_T("prod")] = _T('\x220F'); // prod
(*this)[_T("sum")] = _T('\x2211'); // sum
(*this)[_T("minus")] = _T('\x2212'); // minus
(*this)[_T("lowast")] = _T('\x2217'); // lowast
(*this)[_T("radic")] = _T('\x221A'); // square root
(*this)[_T("prop")] = _T('\x221D'); // proportional to
(*this)[_T("ifin")] = _T('\x221E'); // infinity
(*this)[_T("ang")] = _T('\x2220'); // angle
(*this)[_T("and")] = _T('\x2227'); // and
(*this)[_T("or")] = _T('\x2228'); // or
(*this)[_T("cap")] = _T('\x2229'); // cap
(*this)[_T("cup")] = _T('\x222A'); // cup
(*this)[_T("int")] = _T('\x222B'); // integral
(*this)[_T("there4")] = _T('\x2234'); // therefore
(*this)[_T("sim")] = _T('\x223C'); // similar to
(*this)[_T("cong")] = _T('\x2245'); // congruent to
(*this)[_T("asymp")] = _T('\x2248'); // almost equal
(*this)[_T("ne")] = _T('\x2260'); // not equal
(*this)[_T("equiv")] = _T('\x2261'); // equivalent
(*this)[_T("le")] = _T('\x2264'); // less or equal
(*this)[_T("ge")] = _T('\x2265'); // greater or equal
(*this)[_T("sub")] = _T('\x2282'); // subset of
(*this)[_T("sup")] = _T('\x2283'); // superset of
(*this)[_T("nsub")] = _T('\x2284'); // not subset of
(*this)[_T("sube")] = _T('\x2286'); // subset or equal
(*this)[_T("supe")] = _T('\x2287'); // superset or equal
(*this)[_T("oplus")] = _T('\x2295'); // circled plus
(*this)[_T("otimes")] = _T('\x2297'); // circled times
(*this)[_T("perp")] = _T('\x22A5'); // perpendicular
(*this)[_T("sdot")] = _T('\x22C5'); // dot operator
/** Greek Letters */
(*this)[_T("Alpha")] = _T('\x0391'); // Alpha
(*this)[_T("Beta")] = _T('\x0392'); // Beta
(*this)[_T("Gamma")] = _T('\x0393'); // Gamma
(*this)[_T("Delta")] = _T('\x0394'); // Delta
(*this)[_T("Epsilon")] = _T('\x0395'); // Epsilon
(*this)[_T("Zeta")] = _T('\x0396'); // Zeta
(*this)[_T("Eta")] = _T('\x0397'); // Eta
(*this)[_T("Theta")] = _T('\x0398'); // Theta
(*this)[_T("Iota")] = _T('\x0399'); // Iota
(*this)[_T("Kappa")] = _T('\x039A'); // Kappa
(*this)[_T("Lambda")] = _T('\x039B'); // Lambda
(*this)[_T("Mu")] = _T('\x039C'); // Mu
(*this)[_T("Nu")] = _T('\x039D'); // Nu
(*this)[_T("Xi")] = _T('\x039E'); // Xi
(*this)[_T("Omicron")] = _T('\x039F'); // Omicron
(*this)[_T("Pi")] = _T('\x03A0'); // Pi
(*this)[_T("Rho")] = _T('\x03A1'); // Rho
//(*this)[_T("sigmaf")] = _T('\x03A2'); // Sigmaf - undefined by HTML
(*this)[_T("Sigma")] = _T('\x03A3'); // Sigma
(*this)[_T("Tau")] = _T('\x03A4'); // Tau
(*this)[_T("Upsilon")] = _T('\x03A5'); // Upsilon
(*this)[_T("Phi")] = _T('\x03A6'); // Phi
(*this)[_T("Chi")] = _T('\x03A7'); // Chi
(*this)[_T("Psi")] = _T('\x03A8'); // Psi
(*this)[_T("Omega")] = _T('\x03A9'); // Omega
(*this)[_T("alpha")] = _T('\x03B1'); // alpha
(*this)[_T("beta")] = _T('\x03B2'); // beta
(*this)[_T("gamma")] = _T('\x03B3'); // gamma
(*this)[_T("delta")] = _T('\x03B4'); // delta
(*this)[_T("epsilon")] = _T('\x03B5'); // epsilon
(*this)[_T("zeta")] = _T('\x03B6'); // zeta
(*this)[_T("eta")] = _T('\x03B7'); // eta
(*this)[_T("theta")] = _T('\x03B8'); // theta
(*this)[_T("iota")] = _T('\x03B9'); // iota
(*this)[_T("kappa")] = _T('\x03BA'); // kappa
(*this)[_T("lambda")] = _T('\x03BB'); // lambda
(*this)[_T("mu")] = _T('\x03BC'); // mu
(*this)[_T("nu")] = _T('\x03BD'); // nu
(*this)[_T("xi")] = _T('\x03BE'); // xi
(*this)[_T("omicron")] = _T('\x03BF'); // omicron
(*this)[_T("pi")] = _T('\x03C0'); // pi
(*this)[_T("rho")] = _T('\x03C1'); // rho
(*this)[_T("sigmaf")] = _T('\x03C2'); // sigmaf
(*this)[_T("sigma")] = _T('\x03C3'); // sigma
(*this)[_T("tau")] = _T('\x03C4'); // tau
(*this)[_T("upsilon")] = _T('\x03C5'); // upsilon
(*this)[_T("phi")] = _T('\x03C6'); // phi
(*this)[_T("chi")] = _T('\x03C7'); // chi
(*this)[_T("psi")] = _T('\x03C8'); // psi
(*this)[_T("omega")] = _T('\x03C9'); // omega
(*this)[_T("thetasym")] = _T('\x03D1'); // theta symbol
(*this)[_T("upsih")] = _T('\x03D2'); // upsilon symbol
(*this)[_T("piv")] = _T('\x03D6'); // pi symbol
/** Other Entities */
(*this)[_T("OElig")] = _T('\x0152'); // capital ligature OE
(*this)[_T("oelig")] = _T('\x0153'); // small ligature OE
(*this)[_T("Scaron")] = _T('\x0160'); // capital S with caron
(*this)[_T("scaron")] = _T('\x0161'); // small S with caron
(*this)[_T("Yuml")] = _T('\x0178'); // capital Y with diaeres
(*this)[_T("fnof")] = _T('\x0192'); // f with hook
(*this)[_T("circ")] = _T('\x02C6'); // modifier letter circumflex accent
(*this)[_T("tilde")] = _T('\x02DC'); // small tilde
(*this)[_T("ensp")] = _T('\x2002'); // en space
(*this)[_T("emsp")] = _T('\x2003'); // em space
(*this)[_T("thinsp")] = _T('\x2009'); // thin space
(*this)[_T("zwnj")] = _T('\x200C'); // zero width non-joiner
(*this)[_T("zwj")] = _T('\x200D'); // zero width joiner
(*this)[_T("lrm")] = _T('\x200E'); // left-to-right mark
(*this)[_T("rlm")] = _T('\x200F'); // right-to-left mark
(*this)[_T("ndash")] = _T('\x2013'); // en dash
(*this)[_T("mdash")] = _T('\x2014'); // em dash
(*this)[_T("lsquo")] = _T('\x2018'); // left single quotation mark
(*this)[_T("rsquo")] = _T('\x2019'); // right single quotation mark
(*this)[_T("sbquo")] = _T('\x201A'); // single low-9 quotation mark
(*this)[_T("ldquo")] = _T('\x201C'); // left double quotation mark
(*this)[_T("rdquo")] = _T('\x201D'); // right double quotation mark
(*this)[_T("bdquo")] = _T('\x201E'); // double low-9 quotation mark
(*this)[_T("dagger")] = _T('\x2020'); // dagger
(*this)[_T("Dagger")] = _T('\x2021'); // double dagger
(*this)[_T("bull")] = _T('\x2022'); // bullet
(*this)[_T("hellip")] = _T('\x2026'); // horizontal ellipsis
(*this)[_T("permil")] = _T('\x2030'); // per mille
(*this)[_T("prime")] = _T('\x2032'); // minutes
(*this)[_T("Prime")] = _T('\x2033'); // seconds
(*this)[_T("lsaquo")] = _T('\x2039'); // single left angle quotation
(*this)[_T("rsaquo")] = _T('\x203A'); // single right angle quotation
(*this)[_T("oline")] = _T('\x203E'); // overline
(*this)[_T("euro")] = _T('\x20AC'); // euro
(*this)[_T("trade")] = _T('\x2122'); // trademark
(*this)[_T("larr")] = _T('\x2190'); // left arrow
(*this)[_T("uarr")] = _T('\x2191'); // up arrow
(*this)[_T("rarr")] = _T('\x2192'); // right arrow
(*this)[_T("darr")] = _T('\x2193'); // down arrow
(*this)[_T("harr")] = _T('\x2194'); // left right arrow
(*this)[_T("crarr")] = _T('\x21B5'); // carriage return arrow
(*this)[_T("lceil")] = _T('\x2308'); // left ceiling
(*this)[_T("rceil")] = _T('\x2309'); // right ceiling
(*this)[_T("lfloor")] = _T('\x230A'); // left floor
(*this)[_T("rfloor")] = _T('\x230B'); // right floor
(*this)[_T("loz")] = _T('\x25CA'); // lozenge
(*this)[_T("spades")] = _T('\x2660'); // spade
(*this)[_T("clubs")] = _T('\x2663'); // club
(*this)[_T("hearts")] = _T('\x2665'); // heart
(*this)[_T("diams")] = _T('\x2666'); // diamond
}
};
// Constructors
public:
CLiteHTMLEntityResolver() { }
// Operations
public:
/**
* Resolves a character or numeric entity reference.
*
* @param rStr - entity to resolve
* @param ch - variable that will receive the result
*
* @return number of TCHARs used to resolve entity reference
*/
static UINT resolveEntity(LPCTSTR lpszEntity, TCHAR &chSubst)
{
ATLASSERT(m_CharEntityRefs.GetCount());
ATLASSERT(AtlIsValidString(lpszEntity));
LPCTSTR lpszBegin = lpszEntity,
lpszEnd = ::_tcschr(lpszEntity, _T(';'));
TCHAR chTemp = 0;
// entity references always end with a semi-colon ';'
if (lpszEnd == NULL)
return (0);
// skip leading white-space characters
while (::_istspace(*lpszBegin))
lpszBegin = ::_tcsinc(lpszBegin);
// remaining string (including semi-colon)
// must be at least 4 characters in length
if (lpszEnd - lpszBegin < 3)
return (0U);
// entity references always begin with an ampersand '&' symbol
if (*lpszBegin != _T('&'))
return (0U);
lpszBegin = ::_tcsinc(lpszBegin);
// numeric (decimal or hexadecimal) entity reference?
if (*lpszBegin == _T('#'))
{
lpszBegin = ::_tcsinc(lpszBegin);
chTemp = *lpszBegin;
int radix = (::_istdigit(chTemp) ? 10 :
(chTemp == _T('x') ||
chTemp == _T('X') ? 16 : 0));
if (radix)
{
if (radix == 16)
lpszBegin = ::_tcsinc(lpszBegin);
unsigned long ulNum = ::_tcstoul(lpszBegin, NULL, radix);
chSubst = (TCHAR)ulNum;
lpszEnd = ::_tcsinc(lpszEnd);
return (UINT)(lpszEnd - lpszEntity);
}
}
// character entity reference?
else
{
CString strKey(lpszBegin, int (lpszEnd - lpszBegin));
/*
// because some character entity references are
// case-sensitive, we must fix them manually
if (!strKey.CompareNoCase(_T("eth")) ||
!strKey.CompareNoCase(_T("thorn")))
{
if (::_istupper(strKey[0]))
strKey.MakeUpper();
else
strKey.MakeLower();
}
else if (!strKey.CompareNoCase(_T("Oslash")))
{
strKey.MakeLower();
strKey.SetAt(0, _T('O'));
}
else if (!strKey.CompareNoCase(_T("AElig")))
{
strKey.MakeLower();
strKey.SetAt(0, _T('A'));
strKey.SetAt(1, _T('E'));
}
else
{
//CString strT = strKey.Mid(1);
//strKey.MakeLower();
//if (strT.CompareNoCase(_T("grave")) == 0 ||
// strT.CompareNoCase(_T("acute")) == 0 ||
// strT.CompareNoCase(_T("circ")) == 0 ||
// strT.CompareNoCase(_T("uml")) == 0 ||
// strT.CompareNoCase(_T("tilde")) == 0 ||
// strT.CompareNoCase(_T("cedil")) == 0 ||
// strT.CompareNoCase(_T("ring")) == 0)
//{
// strKey.SetAt(0, strT[0]);
//}
}
*/
// is this a known entity reference?
if (m_CharEntityRefs.Lookup(strKey, chTemp))
{
chSubst = chTemp;
lpszEnd = ::_tcsinc(lpszEnd);
return (UINT) (lpszEnd - lpszEntity);
}
}
return (0U);
}
// Data Members
private:
static CCharEntityRefs m_CharEntityRefs;
};
#pragma warning(pop)
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