TXmlParser Class Reference

#include <xml.h>

Collaboration diagram for TXmlParser:

Public Member Functions
	TXmlParser (const PSIn &_SIn)
TXmlLxSym	GetSym ()
TXmlLxSym	GetSym (TChA &_SymStr)
TXmlLxSym	PeekSym ()
TXmlLxSym	PeekSym (TChA &_SymStr)
void	SkipTillTag (const TChA &_SymStr)
TXmlLxSym	GetTag (const TChA &TagStr)
void	GetTagVal (const TChA &TagStr, TChA &TagVal)

Static Public Member Functions
static PXmlParser	New (const PSIn &SIn)
static void	GetPlainStrFromXmlStr (const TChA &XmlStr, TChA &PlainChA)

Public Attributes
TXmlLxSym	Sym
TXmlLxSym	NextSym
TChA	SymStr
TChA	NextSymStr

Private Member Functions
char	GetCh ()

Private Attributes
TCRef	CRef
PSIn	SIn
TSIn &	RSIn
TChA	_SymStr

Friends
class	TPt< TXmlParser >

Detailed Description

Definition at line 397 of file xml.h.

Constructor & Destructor Documentation

TXmlParser::TXmlParser ( const PSIn &  _SIn )

inline

Definition at line 409 of file xml.h.

Referenced by New().

: SIn(_SIn), RSIn(*SIn), Sym(xsyUndef), NextSym(xsyUndef) { }

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Member Function Documentation

char TXmlParser::GetCh ( )

inlineprivate

Definition at line 407 of file xml.h.

References TSIn::Eof(), TCh::EofCh, and TSIn::GetCh().

Referenced by GetSym().

{ return (! RSIn.Eof()) ? RSIn.GetCh() : TCh::EofCh; }

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void TXmlParser::GetPlainStrFromXmlStr ( const TChA &  XmlStr, TChA &  PlainChA  )

static

Definition at line 1531 of file xml.cpp.

References TChA::Clr(), TChA::CStr(), TChA::Empty(), forever, TCh::GetHex(), TCh::GetNum(), TCh::IsHex(), and TCh::IsNum().

Referenced by GetSym().

                                                                         {
  static TChA EntityNm;
  PlainChA.Clr();
  const char *Ch = XmlStr.CStr();
  while (*Ch){
    if (*Ch!='&'){ PlainChA+=*Ch; Ch++; }
    else {
      if (*++Ch=='#'){
        TChA RefChA; int RefCd=0;
        if (*++Ch=='x'){
          forever {  Ch++;
            if (TCh::IsHex(*Ch)){ RefChA+=*Ch;  RefCd=RefCd*16+TCh::GetHex(*Ch); }
            else { break; } }
        } else { // decimal character code
          forever {
            if (TCh::IsNum(*Ch)){ RefChA+=*Ch; RefCd=RefCd*10+TCh::GetNum(*Ch); }
            else { break; } Ch++; }
        }
        if ((!RefChA.Empty())&&(*Ch==';')){
          Ch++;  const uchar RefCh=uchar(RefCd);  PlainChA+=RefCh; }
      } else {
        EntityNm.Clr();
        while ((*Ch)&&(*Ch!=';')){EntityNm+=*Ch; Ch++;}
        if ((!EntityNm.Empty())&&(*Ch==';')){  Ch++;
          if (EntityNm=="quot"){PlainChA+='"';}
          else if (EntityNm=="amp"){PlainChA+='&';}
          else if (EntityNm=="apos"){PlainChA+='\'';}
          else if (EntityNm=="lt"){PlainChA+='<';}
          else if (EntityNm=="gt"){PlainChA+='>';}
        }
      }
    }
  }
}

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TXmlLxSym TXmlParser::GetSym

(

)

Definition at line 1457 of file xml.cpp.

References _SymStr, TChA::Clr(), TChA::CStr(), TSIn::Eof(), TCh::EofCh, GetCh(), GetPlainStrFromXmlStr(), TCh::IsWs(), TChA::Len(), NextSym, NextSymStr, TSIn::PeekCh(), TChA::Push(), RSIn, Sym, SymStr, xsyEof, xsyETag, xsySTag, xsyStr, and xsyUndef.

Referenced by GetSym(), GetTag(), GetTagVal(), PeekSym(), and SkipTillTag().

                             {
  if (NextSym != xsyUndef) {
    Sym = NextSym;  NextSym=xsyUndef;
    SymStr=NextSymStr;  NextSymStr.Clr();
    return Sym;
  }
  SymStr.Clr();
  char Ch;
  while (TCh::IsWs(Ch=GetCh())) { }
  if (Ch == TCh::EofCh) { Sym = xsyEof; return xsyEof; }
  if (Ch == '<') { // load tag
    Ch = GetCh();
    if (Ch == '/') { Sym = xsyETag; }
    else { Sym = xsySTag;  SymStr.Push(Ch); }
    while((Ch=GetCh())!='>' && Ch!=TCh::EofCh) { SymStr.Push(Ch); }
    const int StrLen = SymStr.Len();
    if (StrLen > 1 && SymStr[StrLen-1] == '/') {
      Sym = xsyETag; SymStr[StrLen-1] = 0;
      for (char *c = SymStr.CStr()+StrLen-2; TCh::IsWs(*c); c--) { *c=0; }
    }
  } else { // load string
    _SymStr.Clr();  _SymStr.Push(Ch);
    while (! RSIn.Eof() && RSIn.PeekCh() != '<') { _SymStr.Push(GetCh()); }
    GetPlainStrFromXmlStr(_SymStr, SymStr);
    Sym = xsyStr;
  }
  if (Ch == TCh::EofCh) { SymStr.Clr(); Sym = xsyEof; return xsyEof; }
  return Sym;
}

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TXmlLxSym TXmlParser::GetSym

(

TChA &

_SymStr

)

Definition at line 1487 of file xml.cpp.

References GetSym(), Sym, and SymStr.

                                          {
  GetSym();
  _SymStr = SymStr;
  return Sym;
}

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TXmlLxSym TXmlParser::GetTag

(

const TChA &

TagStr

)

Definition at line 1524 of file xml.cpp.

References TChA::CStr(), EAssertR, TStr::Fmt(), GetSym(), Sym, and SymStr.

Referenced by GetTagVal().

                                               {
  GetSym();
  EAssertR(TagStr==SymStr, TStr::Fmt("Expected xml symbol '%s'. Found '%s'",
    TagStr.CStr(), SymStr.CStr()).CStr());
  return Sym;
}

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void TXmlParser::GetTagVal	(	const TChA &	TagStr,
		TChA &	TagVal
	)

Definition at line 1518 of file xml.cpp.

References TChA::CStr(), EAssertR, TStr::Fmt(), GetSym(), GetTag(), SymStr, xsyETag, xsySTag, and xsyStr.

                                                           {
  EAssertR(GetTag(TagStr) == xsySTag, TStr::Fmt("Expected '<%s>'. Found '%s'", TagStr.CStr(), SymStr.CStr()).CStr());
  EAssertR(GetSym(TagVal) == xsyStr, "Expected string tag.");
  EAssertR(GetTag(TagStr) == xsyETag, TStr::Fmt("Expected '</%s>'. Found '%s'", TagStr.CStr(), SymStr.CStr()).CStr());
}

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static PXmlParser TXmlParser::New ( const PSIn &  SIn )

inlinestatic

Definition at line 410 of file xml.h.

References TXmlParser().

{ return new TXmlParser(SIn); }

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TXmlLxSym TXmlParser::PeekSym

(

)

Definition at line 1493 of file xml.cpp.

References GetSym(), NextSym, NextSymStr, Sym, SymStr, and xsyUndef.

Referenced by PeekSym(), and SkipTillTag().

                              {
  if (NextSym == xsyUndef) {
    const TXmlLxSym TmpSim=Sym;
    const TChA TmpSymStr=SymStr;
    NextSym=GetSym(NextSymStr);
    Sym=TmpSim;
    SymStr=TmpSymStr;
  }
  return NextSym;
}

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TXmlLxSym TXmlParser::PeekSym

(

TChA &

_SymStr

)

Definition at line 1504 of file xml.cpp.

References NextSym, NextSymStr, and PeekSym().

                                           {
  PeekSym();
  _SymStr = NextSymStr;
  return NextSym;
}

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void TXmlParser::SkipTillTag

(

const TChA &

_SymStr

)

Definition at line 1510 of file xml.cpp.

References GetSym(), NextSymStr, PeekSym(), and xsyEof.

                                                {
  while(PeekSym() != xsyEof) {
    if (NextSymStr == _SymStr) { return; }
    GetSym();
  }
}

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Friends And Related Function Documentation

friend class TPt< TXmlParser >

friend

Definition at line 422 of file xml.h.

Member Data Documentation

TChA TXmlParser::_SymStr

private

Definition at line 402 of file xml.h.

Referenced by GetSym().

TCRef TXmlParser::CRef

private

Definition at line 399 of file xml.h.

TXmlLxSym TXmlParser::NextSym

Definition at line 404 of file xml.h.

Referenced by GetSym(), and PeekSym().

TChA TXmlParser::NextSymStr

Definition at line 405 of file xml.h.

Referenced by GetSym(), PeekSym(), and SkipTillTag().

TSIn& TXmlParser::RSIn

private

Definition at line 401 of file xml.h.

Referenced by GetSym().

PSIn TXmlParser::SIn

private

Definition at line 400 of file xml.h.

TXmlLxSym TXmlParser::Sym

Definition at line 404 of file xml.h.

Referenced by GetSym(), GetTag(), and PeekSym().

TChA TXmlParser::SymStr

Definition at line 405 of file xml.h.

Referenced by GetSym(), GetTag(), GetTagVal(), and PeekSym().

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The documentation for this class was generated from the following files:

• glib-core/xml.h
• glib-core/xml.cpp