TXmlLx Class Reference

#include <xml.h>

Collaboration diagram for TXmlLx:

Public Member Functions
void	SkipWs ()
	TXmlLx (const PSIn &_SIn, const TXmlSpacing &_Spacing=xspIntact)
TXmlLx &	operator= (const TXmlLx &)
TXmlLxSym	GetSym ()
TStr	GetSymStr () const
void	EThrow (const TStr &MsgStr) const
TStr	GetFPosStr () const
void	ClrArgV ()
void	AddArg (const TStr &ArgNm, const TStr &ArgVal)
bool	IsArgNm (const TStr &ArgNm) const
int	GetArgs () const
void	GetArg (const int &ArgN, TStr &ArgNm, TStr &ArgVal) const
TStr	GetArgVal (const TStr &ArgNm, const TStr &DfVal=TStr()) const
bool	IsEntityNm (const TStr &EntityNm, TStr &EntityVal) const
void	PutEntityVal (const TStr &Nm, const TStr &Val)
bool	IsPEntityNm (const TStr &EntityNm, TStr &EntityVal) const
void	PutPEntityVal (const TStr &Nm, const TStr &Val)

Static Public Member Functions
static char	GetArgValQCh (const TStr &ArgVal)
static TStr	GetXmlLxSymStr (const TXmlLxSym &XmlLxSym)
static bool	IsTagNm (const TStr &Str)
static TStr	GetXmlStrFromPlainMem (const TMem &PlainMem)
static TStr	GetXmlStrFromPlainStr (const TChA &PlainChA)
static TStr	GetPlainStrFromXmlStr (const TStr &XmlStr)
static TStr	GetUsAsciiStrFromXmlStr (const TStr &EntRefStr)
static TStr	GetChRefFromYuEntRef (const TStr &YuEntRefStr)

Public Attributes
TXmlLxSym	Sym
TChA	TxtChA
TStr	TagNm
TStrKdV	ArgNmValKdV

Private Member Functions
uchar	GetCh ()
void	PutCh (const uchar &_Ch)
void	PutStr (const TStr &Str)
void	ToNrSpacing ()
void	GetWs (const bool &IsRq)
TStr	GetReference ()
void	GetEq ()
TStr	GetName ()
TStr	GetName (const TStr &RqNm)
void	GetComment ()
TStr	GetAttValue ()
TStr	GetVersionNum ()
TStr	GetEncName ()
TStr	GetStalVal ()
void	GetXmlDecl ()
void	GetPI ()
TStr	GetSystemLiteral ()
TStr	GetPubidLiteral ()
TStr	GetPEReference ()
void	GetExternalId ()
void	GetNData ()
void	GetDocTypeDecl ()
void	GetElement ()
void	GetAttList ()
TStr	GetEntityValue ()
void	GetEntity ()
void	GetNotation ()
void	GetCDSect ()

Private Attributes
PSIn	SIn
TSIn &	RSIn
TChA	ChStack
uchar	PrevCh
uchar	Ch
int	LnN
int	LnChN
int	ChN
TXmlSpacing	Spacing
TStrStrH	EntityNmToValH
TStrStrH	PEntityNmToValH

Static Private Attributes
static TXmlChDef	ChDef

Detailed Description

Definition at line 98 of file xml.h.

Constructor & Destructor Documentation

TXmlLx::TXmlLx ( const PSIn &  _SIn, const TXmlSpacing &  _Spacing = xspIntact  )

inline

Definition at line 145 of file xml.h.

References GetCh().

                                                                 :
    SIn(_SIn), RSIn(*SIn),
    ChStack(), PrevCh(' '), Ch(' '),
    LnN(1), LnChN(0), ChN(0), Spacing(_Spacing),
    EntityNmToValH(100), PEntityNmToValH(100),
    Sym(xsyUndef), TxtChA(), TagNm(), ArgNmValKdV(10){GetCh();}

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Member Function Documentation

void TXmlLx::AddArg ( const TStr &  ArgNm, const TStr &  ArgVal  )

inline

Definition at line 161 of file xml.h.

References TVec< TVal, TSizeTy >::Add().

Referenced by GetSym(), and GetXmlDecl().

                                                    {
    ArgNmValKdV.Add(TStrKd(ArgNm, ArgVal));}

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void TXmlLx::ClrArgV ( )

inline

Definition at line 160 of file xml.h.

References TVec< TVal, TSizeTy >::Clr().

Referenced by GetSym().

{ArgNmValKdV.Clr();}

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void TXmlLx::EThrow

(

const TStr &

MsgStr

)

const

Definition at line 885 of file xml.cpp.

References TSBase::GetSNm(), TInt::GetStr(), LnChN, LnN, SIn, and TExcept::Throw().

Referenced by GetAttList(), GetAttValue(), GetCDSect(), GetComment(), GetDocTypeDecl(), GetElement(), GetEncName(), GetEntity(), GetEntityValue(), GetEq(), GetExternalId(), GetName(), GetNotation(), GetPEReference(), GetPI(), GetPubidLiteral(), GetReference(), GetStalVal(), GetSym(), GetSystemLiteral(), GetVersionNum(), GetWs(), GetXmlDecl(), and TXmlDoc::LoadTxtElement().

                                            {
  TChA FPosChA;
  FPosChA+=" [File:"; FPosChA+=SIn->GetSNm();
  FPosChA+=" Line:"; FPosChA+=TInt::GetStr(LnN);
  FPosChA+=" Char:"; FPosChA+=TInt::GetStr(LnChN);
  FPosChA+="]";
  TStr FullMsgStr=MsgStr+FPosChA;
  TExcept::Throw(FullMsgStr);
}

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void TXmlLx::GetArg ( const int &  ArgN, TStr &  ArgNm, TStr &  ArgVal  ) const

inline

Definition at line 166 of file xml.h.

Referenced by GetSymStr(), TSnap::LoadDyNet(), and TSnap::LoadDyNetGraphV().

                                                                {
    ArgNm=ArgNmValKdV[ArgN].Key; ArgVal=ArgNmValKdV[ArgN].Dat;}

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int TXmlLx::GetArgs ( ) const

inline

Definition at line 165 of file xml.h.

References TVec< TVal, TSizeTy >::Len().

Referenced by GetSymStr().

{return ArgNmValKdV.Len();}

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TStr TXmlLx::GetArgVal ( const TStr &  ArgNm, const TStr &  DfVal = TStr()  ) const

inline

Definition at line 168 of file xml.h.

References TVec< TVal, TSizeTy >::SearchForw().

                                                                    {
    int ArgN=ArgNmValKdV.SearchForw(TStrKd(ArgNm));
    if (ArgN==-1){return DfVal;} else {return ArgNmValKdV[ArgN].Dat;}}

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static char TXmlLx::GetArgValQCh ( const TStr &  ArgVal )

inlinestatic

Definition at line 171 of file xml.h.

References TStr::IsChIn().

Referenced by TXmlTok::AddTokToChA(), and GetSymStr().

                                              {
    if (ArgVal.IsChIn('\"')){return '\'';} else {return '\"';}}

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void TXmlLx::GetAttList ( )

private

Definition at line 665 of file xml.cpp.

References Ch, ChDef, TChA::Clr(), EThrow(), GetCh(), TXmlChDef::IsChar(), and TxtChA.

Referenced by GetSym().

                       {
  TxtChA.Clr();
  while (Ch!='>'){
    if (!ChDef.IsChar(Ch)){EThrow("Invalid Element character.");}
    TxtChA+=Ch; GetCh();
  }
  GetCh();
}

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TStr TXmlLx::GetAttValue ( )

private

Definition at line 457 of file xml.cpp.

References Ch, ChDef, EThrow(), forever, GetCh(), GetReference(), and TXmlChDef::IsChar().

Referenced by GetSym().

                        {
  // [10]  AttValue ::=  '"' ([^<&"] | Reference)* '"'
  //  |  "'" ([^<&'] | Reference)* "'"
  uchar QCh=Ch;
  if ((QCh!='"')&&(QCh!='\'')){EThrow("Invalid attribute-value start.");}
  TChA ValChA; GetCh();
  forever {
    if ((Ch=='<')||(!ChDef.IsChar(Ch))){
      EThrow("Invalid attribute-value character.");}
    if (Ch==QCh){GetCh(); break;} // final quote
    else if (Ch=='&'){GetCh(); ValChA+=GetReference();} // reference
    else {ValChA+=Ch; GetCh();} // usual char
  }
  return ValChA;
}

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void TXmlLx::GetCDSect ( )

private

Definition at line 733 of file xml.cpp.

References Ch, ChDef, TChA::Clr(), EThrow(), forever, GetCh(), TXmlChDef::IsChar(), TChA::LastCh(), TChA::LastLastCh(), TChA::Len(), TChA::Pop(), and TxtChA.

Referenced by GetSym().

                      {
  // [18]  CDSect ::=  CDStart CData CDEnd
  // [19]  CDStart ::=  '<![CDATA{{['}}
  // [20]  CData ::=  (Char* - (Char* ']]>' Char*))
  // [21]  CDEnd ::=  ']]>'
  if (Ch=='['){GetCh();}
  else {EThrow("Invalid start of CDATA section.");}
  TxtChA.Clr();
  forever {
    if (!ChDef.IsChar(Ch)){EThrow("Invalid CDATA character.");}
    if ((Ch=='>')&&(TxtChA.Len()>=2)&&
     (TxtChA.LastLastCh()==']') && (TxtChA.LastCh()==']')){
      GetCh(); TxtChA.Pop(); TxtChA.Pop(); break;
    } else {
      TxtChA+=Ch; GetCh();
    }
  }
}

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uchar TXmlLx::GetCh ( )

private

Definition at line 260 of file xml.cpp.

References Ch, ChN, ChStack, EAssert, TChA::Empty(), TSIn::Eof(), TCh::EofCh, TSIn::GetCh(), TCh::LfCh, LnChN, LnN, TChA::Pop(), PrevCh, and RSIn.

Referenced by GetAttList(), GetAttValue(), GetCDSect(), GetComment(), GetDocTypeDecl(), GetElement(), GetEncName(), GetEntity(), GetEntityValue(), GetEq(), GetName(), GetNotation(), GetPEReference(), GetPI(), GetPubidLiteral(), GetReference(), GetStalVal(), GetSym(), GetSystemLiteral(), GetVersionNum(), GetWs(), GetXmlDecl(), SkipWs(), and TXmlLx().

                   {
  EAssert(Ch!=TCh::EofCh);
  PrevCh=Ch;
  if (ChStack.Empty()){Ch=(RSIn.Eof()) ? TCh::EofCh : RSIn.GetCh();}
  else {Ch=ChStack.Pop();}
  ChN++; if (Ch==TCh::LfCh){LnN++; LnChN=0;} else {LnChN++;}
  //putchar(Ch);
  return Ch;
}

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TStr TXmlLx::GetChRefFromYuEntRef ( const TStr &  YuEntRefStr )

static

Definition at line 1072 of file xml.cpp.

References TStr::ChangeStrAll().

                                                        {
  TStr ChRefStr=YuEntRefStr;
  ChRefStr.ChangeStrAll("&ch;", "è");
  ChRefStr.ChangeStrAll("&Ch;", "È");
  ChRefStr.ChangeStrAll("&sh;", "š");
  ChRefStr.ChangeStrAll("&Sh;", "Š");
  ChRefStr.ChangeStrAll("&zh;", "ž");
  ChRefStr.ChangeStrAll("&Zh;", "Ž");
  ChRefStr.ChangeStrAll("&cs", "c");
  ChRefStr.ChangeStrAll("&Cs;", "C");
  ChRefStr.ChangeStrAll("&dz;", "dz");
  ChRefStr.ChangeStrAll("&Dz;", "Dz");
  return ChRefStr;
}

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void TXmlLx::GetComment ( )

private

Definition at line 436 of file xml.cpp.

References Ch, ChDef, TChA::Clr(), EThrow(), forever, GetCh(), TXmlChDef::IsChar(), and TxtChA.

Referenced by GetSym().

                       {
  // [15] Comment ::=  {{'<!-}}-' ((Char - '-') | ('-' (Char - '-')))* '-->'
  if (GetCh()!='-'){EThrow("Invalid comment start.");}
  TxtChA.Clr();
  forever {
    GetCh();
    if (!ChDef.IsChar(Ch)){EThrow("Invalid comment character.");}
    if (Ch=='-'){
      if (GetCh()=='-'){
        if (GetCh()=='>'){GetCh(); break;} // final bracket
        else {EThrow("Invalid comment end.");}
      } else {
        if (!ChDef.IsChar(Ch)){EThrow("Invalid comment character.");}
        TxtChA+='-'; TxtChA+=Ch; // special case if single '-'
      }
    } else {
      TxtChA+=Ch; // usual char
    }
  }
}

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void TXmlLx::GetDocTypeDecl ( )

private

Definition at line 627 of file xml.cpp.

References Ch, ChDef, EThrow(), GetCh(), GetExternalId(), GetName(), GetPEReference(), GetSym(), GetWs(), TXmlChDef::IsWs(), and TagNm.

Referenced by GetSym().

                           {
  // [28] doctypedecl ::=  {{'<!DOCTYPE'}} S Name (S ExternalID)? S?
  //  ('[' (markupdecl | PEReference | S)* ']' S?)? '>'
  GetWs(true);
  TStr DocTypeDeclNm=GetName();
  GetWs(false);
  if (Ch=='>'){GetCh(); return;}
  if (Ch!='['){GetExternalId();}
  GetWs(false);
  if (Ch=='['){
    GetCh();
    // [28] (markupdecl | PEReference | S)*
    GetWs(false);
    while (Ch!=']'){
      if (ChDef.IsWs(Ch)){GetWs(true);}
      else if (Ch=='%'){GetPEReference();}
      else {
        GetSym();
      }
    }
    GetCh();
  }
  GetWs(false);
  // '>'
  if (Ch=='>'){GetCh();}
  else {EThrow("Invalid end-of-tag in document-type-declaration.");}
  TagNm=DocTypeDeclNm;
}

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void TXmlLx::GetElement ( )

private

Definition at line 656 of file xml.cpp.

References Ch, ChDef, TChA::Clr(), EThrow(), GetCh(), TXmlChDef::IsChar(), and TxtChA.

Referenced by GetSym().

                       {
  TxtChA.Clr();
  while (Ch!='>'){
    if (!ChDef.IsChar(Ch)){EThrow("Invalid Element character.");}
    TxtChA+=Ch; GetCh();
  }
  GetCh();
}

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TStr TXmlLx::GetEncName ( )

private

Definition at line 493 of file xml.cpp.

References Ch, EThrow(), and GetCh().

Referenced by GetXmlDecl().

                       {
  // [80] EncodingDecl ::=  {{S 'encoding' Eq}} ('"' EncName '"' |  "'" EncName "'" )
  // [81] EncName ::=  [A-Za-z] ([A-Za-z0-9._] | '-')*
  char QCh=Ch;
  if ((Ch!='\'')&&(Ch!='"')){EThrow("Quote character (' or \") expected.");}
  TChA EncNmChA;
  GetCh();
  if ((('a'<=Ch)&&(Ch<='z'))||(('A'<=Ch)&&(Ch<='Z'))){EncNmChA+=Ch;}
  else {EThrow("Invalid encoding-name character.");}
  GetCh();
  while (Ch!=QCh){
    if ((('a'<=Ch)&&(Ch<='z'))||(('A'<=Ch)&&(Ch<='Z'))||
     (('0'<=Ch)&&(Ch<='9'))||(Ch=='.')||(Ch=='_')||(Ch=='-')){EncNmChA+=Ch;}
    else {EThrow("Invalid version-number character.");}
    GetCh();
  }
  GetCh();
  return EncNmChA;
}

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void TXmlLx::GetEntity ( )

private

Definition at line 690 of file xml.cpp.

References Ch, EThrow(), GetCh(), GetEntityValue(), GetExternalId(), GetName(), GetNData(), GetWs(), PutEntityVal(), PutPEntityVal(), and TagNm.

Referenced by GetSym().

                      {
  // [70] EntityDecl ::=  GEDecl | PEDecl
  // [71] GEDecl ::=  '<!ENTITY' S Name S EntityDef S? '>'
  // [72] PEDecl ::=  '<!ENTITY' S '%' S Name S PEDef S? '>'
  GetWs(true); TStr EntityNm;
  if (Ch=='%'){
    GetCh(); GetWs(true); EntityNm=GetName(); GetWs(true);
    // [74] PEDef ::=  EntityValue | ExternalID
    if ((Ch=='\"')||(Ch=='\'')){
      TStr EntityVal=GetEntityValue();
      PutPEntityVal(EntityNm, EntityVal);
    } else {
      GetExternalId();
      GetWs(false);
      if (Ch!='>'){GetNData();}
    }
  } else {
    EntityNm=GetName(); GetWs(true);
    // [73] EntityDef ::=  EntityValue | (ExternalID NDataDecl?)
    if ((Ch=='\"')||(Ch=='\'')){
      TStr EntityVal=GetEntityValue();
      PutEntityVal(EntityNm, EntityVal);
    } else {
      GetExternalId();
    }
  }
  GetWs(false);
  if (Ch=='>'){GetCh();}
  else {EThrow("Invalid end-of-tag in entity-declaration.");}
  TagNm=EntityNm;
}

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TStr TXmlLx::GetEntityValue ( )

private

Definition at line 674 of file xml.cpp.

References Ch, ChDef, EThrow(), forever, GetCh(), GetPEReference(), GetReference(), and TXmlChDef::IsChar().

Referenced by GetEntity().

                           {
  // [9]  EntityValue ::=  '"' ([^%&"] | PEReference | Reference)* '"'
  //  | "'" ([^%&'] | PEReference | Reference)* "'"
  uchar QCh=Ch;
  if ((QCh!='"')&&(QCh!='\'')){EThrow("Invalid entity-value start.");}
  TChA ValChA; GetCh();
  forever {
    if (!ChDef.IsChar(Ch)){EThrow("Invalid entity-value character.");}
    if (Ch==QCh){GetCh(); break;} // final quote
    else if (Ch=='&'){GetCh(); ValChA+=GetReference();} // reference
    else if (Ch=='%'){GetCh(); ValChA+=GetPEReference();} // pereference
    else {ValChA+=Ch; GetCh();} // usual char
  }
  return ValChA;
}

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void TXmlLx::GetEq ( )

private

Definition at line 408 of file xml.cpp.

References Ch, EThrow(), GetCh(), and GetWs().

Referenced by GetSym(), and GetXmlDecl().

                  {
  // [25] Eq ::=  S? '=' S?
  GetWs(false);
  if (Ch=='='){GetCh();}
  else {EThrow("Equality ('=') character expected.");}
  GetWs(false);
}

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void TXmlLx::GetExternalId ( )

private

Definition at line 609 of file xml.cpp.

References EThrow(), GetName(), GetPubidLiteral(), GetSystemLiteral(), and GetWs().

Referenced by GetDocTypeDecl(), and GetEntity().

                          {
  // ExternalID ::=  'SYSTEM' S SystemLiteral
  //  | 'PUBLIC' S PubidLiteral S SystemLiteral
  TStr ExtIdNm=GetName();
  if (ExtIdNm=="SYSTEM"){
    GetWs(true); GetSystemLiteral();
  } else if (ExtIdNm=="PUBLIC"){
    GetWs(true); GetPubidLiteral(); GetWs(true); GetSystemLiteral();
  } else {
    EThrow("Invalid external-id ('SYSTEM' or 'PUBLIC' expected).");
  }
}

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TStr TXmlLx::GetFPosStr

(

)

const

Definition at line 895 of file xml.cpp.

References TSBase::GetSNm(), TInt::GetStr(), LnChN, LnN, and SIn.

                              {
  TChA FPosChA;
  FPosChA+=" [File:"; FPosChA+=SIn->GetSNm();
  FPosChA+=" Line:"; FPosChA+=TInt::GetStr(LnN);
  FPosChA+=" Char:"; FPosChA+=TInt::GetStr(LnChN);
  FPosChA+="]";
  return FPosChA;
}

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TStr TXmlLx::GetName ( )

private

Definition at line 416 of file xml.cpp.

References Ch, ChDef, EThrow(), GetCh(), TXmlChDef::IsFirstNameCh(), and TXmlChDef::IsName().

Referenced by GetDocTypeDecl(), GetEntity(), GetExternalId(), GetName(), GetNData(), GetPEReference(), GetReference(), GetSym(), and GetXmlDecl().

                    {
  // [5] Name ::=  (Letter | '_' | ':') (NameChar)*
  TChA NmChA;
  if (ChDef.IsFirstNameCh(Ch)){
    do {NmChA+=Ch;} while (ChDef.IsName(GetCh()));
  } else {
    EThrow("Invalid first name character.");
    // EThrow(TStr::Fmt("Invalid first name character [%u:'%c%c%c%c%c'].", 
    //  uint(Ch), Ch, RSIn.GetCh(), RSIn.GetCh(), RSIn.GetCh(), RSIn.GetCh()));
  }
  return NmChA;
}

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TStr TXmlLx::GetName ( const TStr &  RqNm )

private

Definition at line 429 of file xml.cpp.

References EThrow(), Fail, and GetName().

                                    {
  TStr Nm=GetName();
  // test if the name is equal to the required name
  if (Nm==RqNm){return RqNm;}
  else {EThrow(TStr("Name '")+RqNm+"' expected."); Fail; return TStr();}
}

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void TXmlLx::GetNData ( )

private

Definition at line 622 of file xml.cpp.

References GetName(), and GetWs().

Referenced by GetEntity().

                     {
  // [76]  NDataDecl ::=  S 'NDATA' S Name
  GetName("NDATA"); GetWs(true); GetName();
}

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void TXmlLx::GetNotation ( )

private

Definition at line 722 of file xml.cpp.

References Ch, ChDef, TChA::Clr(), EThrow(), GetCh(), TXmlChDef::IsChar(), and TxtChA.

Referenced by GetSym().

                        {
  // [82] NotationDecl ::=  '<!NOTATION' S Name S (ExternalID |  PublicID) S? '>'
  // [83]  PublicID ::=  'PUBLIC' S PubidLiteral
  TxtChA.Clr();
  while (Ch!='>'){
    if (!ChDef.IsChar(Ch)){EThrow("Invalid Element character.");}
    TxtChA+=Ch; GetCh();
  }
  GetCh();
}

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TStr TXmlLx::GetPEReference ( )

private

Definition at line 397 of file xml.cpp.

References Ch, TStr::Empty(), EThrow(), GetCh(), GetName(), and IsPEntityNm().

Referenced by GetDocTypeDecl(), and GetEntityValue().

                           {
  // [69]  PEReference ::=  '%' Name ';'
  TStr EntityNm=GetName();
  if ((EntityNm.Empty())||(Ch!=';')){EThrow("Invalid PEntity-Reference.");}
  GetCh();
  TStr EntityVal;
  if (IsPEntityNm(EntityNm, EntityVal)){/*intentionaly empty*/}
  else {EThrow(TStr("PEntity-Reference (")+EntityNm+") does not exist.");}
  return EntityVal;
}

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void TXmlLx::GetPI ( )

private

Definition at line 562 of file xml.cpp.

References Ch, ChDef, TChA::Clr(), EThrow(), forever, GetCh(), GetWs(), TXmlChDef::IsChar(), and TxtChA.

Referenced by GetSym().

                  {
  // [16]  PI ::=  {{'<?' PITarget}} (S (Char* - (Char* '?>' Char*)))? '?>'
  // [17]  PITarget ::=  Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))
  GetWs(false);
  TxtChA.Clr();
  forever {
    if (!ChDef.IsChar(Ch)){EThrow("Invalid PI character.");}
    if (Ch=='?'){
      if (GetCh()=='>'){
        GetCh(); break;
      } else {
        if (!ChDef.IsChar(Ch)){EThrow("Invalid PI character.");}
        TxtChA+='?'; TxtChA+=Ch; // special case if single '?'
      }
    } else {
      TxtChA+=Ch; // usual char
    }
    GetCh();
  }
}

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TStr TXmlLx::GetPlainStrFromXmlStr ( const TStr &  XmlStr )

static

Definition at line 991 of file xml.cpp.

References Ch, TChA::Empty(), TUnicode::EncodeUtf8(), TChRet::Eof(), forever, TChRet::GetCh(), TCh::GetHex(), TCh::GetNum(), TCh::IsHex(), TCh::IsNum(), and TStrIn::New().

Referenced by GetUsAsciiStrFromXmlStr().

                                                    {
  TChA PlainChA;
  TChRet Ch(TStrIn::New(XmlStr));
  Ch.GetCh();
  while (!Ch.Eof()){
    if (Ch()!='&'){
      PlainChA+=Ch(); Ch.GetCh();
    } else {
      // [67] Reference ::=  EntityRef | CharRef
      if (Ch.GetCh()=='#'){
        // [66]  CharRef ::=  '&#' [0-9]+ ';' | '&#x' [0-9a-fA-F]+ ';'
        TChA RefChA; int RefCd=0;
        if (Ch.GetCh()=='x'){
          // hex-decimal character code
          forever {
            Ch.GetCh();
            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.GetCh();
          }
        }
        if ((!RefChA.Empty())&&(Ch()==';')){
          Ch.GetCh();
                  if (RefCd < 0x80) {
                        // ascii character
                        uchar RefCh=uchar(RefCd);
                        PlainChA+=RefCh;
                  } else {
                        // unicode
                        TUnicode::EncodeUtf8(RefCd, PlainChA);
                  }
        }
      } else {
        // [68]  EntityRef ::=  '&' Name ';'
        TChA EntityNm;
        while ((!Ch.Eof())&&(Ch()!=';')){
          EntityNm+=Ch(); Ch.GetCh();}
        if ((!EntityNm.Empty())&&(Ch()==';')){
          Ch.GetCh();
          if (EntityNm=="quot"){PlainChA+='"';}
          else if (EntityNm=="amp"){PlainChA+='&';}
          else if (EntityNm=="apos"){PlainChA+='\'';}
          else if (EntityNm=="lt"){PlainChA+='<';}
          else if (EntityNm=="gt"){PlainChA+='>';}
        }
      }
    }
  }
  return PlainChA;
}

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TStr TXmlLx::GetPubidLiteral ( )

private

Definition at line 596 of file xml.cpp.

References Ch, ChDef, EThrow(), GetCh(), and TXmlChDef::IsPubid().

Referenced by GetExternalId().

                            {
  // [12]  PubidLiteral ::=  '"' PubidChar* '"' | "'" (PubidChar - "'")* "'"
  char QCh=Ch;
  if ((Ch!='\'')&&(Ch!='"')){EThrow("Quote character (' or \") expected.");}
  TChA LitChA; GetCh();
  while (Ch!=QCh){
    if (!ChDef.IsPubid(Ch)){EThrow("Invalid Public-Id-Literal character.");}
    LitChA+=Ch; GetCh();
  }
  GetCh();
  return LitChA;
}

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TStr TXmlLx::GetReference ( )

private

Definition at line 340 of file xml.cpp.

References Ch, ChDef, TChA::Empty(), TStr::Empty(), TUnicode::EncodeUtf8(), EThrow(), Fail, forever, GetCh(), TCh::GetHex(), GetName(), TCh::GetNum(), TXmlChDef::IsEntityNm(), IsEntityNm(), TCh::IsHex(), and TCh::IsNum().

Referenced by GetAttValue(), GetEntityValue(), and GetSym().

                         {
  // [67] Reference ::=  EntityRef | CharRef
  if (Ch=='#'){
    // [66]  CharRef ::=  '&#' [0-9]+ ';' | '&#x' [0-9a-fA-F]+ ';'
    TChA RefChA; int RefCd=0;
    if (GetCh()=='x'){
      // hex-decimal character code
      forever {
        GetCh();
        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;
        }
        GetCh();
      }
    }
    if ((!RefChA.Empty())&&(Ch==';')){
      GetCh();
          if (RefCd < 0x80) {
                  // 8-bit char
              uchar RefCh=uchar(RefCd);
                  return TStr(RefCh);
          } else {
                  TStr ResStr = TUnicode::EncodeUtf8(RefCd);
                  return ResStr;
          }
    } else {
      EThrow("Invalid Char-Reference."); Fail; return TStr();
    }
  } else {
    // [68]  EntityRef ::=  '&' Name ';'
    TStr EntityNm=GetName();
    if ((!EntityNm.Empty())&&(Ch==';')){
      GetCh();
      TStr EntityVal;
      if (IsEntityNm(EntityNm, EntityVal)){/*intentionaly empty*/}
      else if (ChDef.IsEntityNm(EntityNm, EntityVal)){/*intentionaly empty*/}
      else {EThrow(TStr("Entity-Reference (")+EntityNm+") does not exist.");}
      return EntityVal;
    } else {
      EThrow("Invalid Entity-Reference."); Fail; return TStr();
    }
  }
}

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TStr TXmlLx::GetStalVal ( )

private

Definition at line 513 of file xml.cpp.

References Ch, EThrow(), Fail, and GetCh().

Referenced by GetXmlDecl().

                       {
  // [32] SDDecl ::=  {{S 'standalone' Eq}}
  //  (("'" ('yes' | 'no') "'") | ('"' ('yes' | 'no') '"'))
  char QCh=Ch;
  if ((Ch!='\'')&&(Ch!='"')){EThrow("Quote character (' or \") expected.");}
  TChA StalChA;
  GetCh();
  while (Ch!=QCh){
    if (('a'<=Ch)&&(Ch<='z')){StalChA+=Ch;}
    else {EThrow("Invalid standalone-value character.");}
    GetCh();
  }
  GetCh();
  TStr StalVal=StalChA;
  if ((StalVal=="yes")||(StalVal=="no")){return StalVal;}
  else {EThrow("Invalid standalone-value."); Fail; return TStr();}
}

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TXmlLxSym TXmlLx::GetSym

(

)

Definition at line 757 of file xml.cpp.

References AddArg(), Ch, ChDef, TChA::Clr(), ClrArgV(), TCh::EofCh, EThrow(), forever, GetAttList(), GetAttValue(), GetCDSect(), GetCh(), GetComment(), GetDocTypeDecl(), GetElement(), GetEntity(), GetEq(), TStr::GetLc(), GetName(), GetNotation(), GetPI(), GetReference(), TUInt::GetStr(), GetWs(), GetXmlDecl(), TXmlChDef::IsChar(), TXmlChDef::IsWs(), TChA::LastCh(), TChA::LastLastCh(), TChA::Len(), SkipWs(), Spacing, Sym, TagNm, ToNrSpacing(), TxtChA, xspTruncate, xsyAttList, xsyComment, xsyDocTypeDecl, xsyElement, xsyEntity, xsyEof, xsyETag, xsyNotation, xsyPI, xsyQStr, xsySETag, xsySTag, xsyStr, xsyWs, and xsyXmlDecl.

Referenced by GetDocTypeDecl(), TStrUtil::GetXmlTagNmVal(), TStrUtil::GetXmlTagNmVal2(), TStrUtil::GetXmlTagVal(), TSnap::LoadDyNet(), TSnap::LoadDyNetGraphV(), TXmlDoc::LoadTxt(), TXmlDoc::LoadTxtElement(), TXmlDoc::LoadTxtMiscStar(), and TXmlDoc::SkipTopTag().

                        {
  if (Ch=='<'){
    GetCh(); ClrArgV();
    if (Ch=='?'){
      GetCh(); TagNm=GetName();
      if (TagNm.GetLc()=="xml"){Sym=xsyXmlDecl; GetXmlDecl();}
      else {Sym=xsyPI; GetPI();}
    } else
    if (Ch=='!'){
      GetCh();
      if (Ch=='['){
        GetCh(); TagNm=GetName();
        if (TagNm=="CDATA"){Sym=xsyQStr; GetCDSect();}
        else {EThrow(TStr("Invalid tag after '<![' (")+TagNm+").");}
      } else
      if (Ch=='-'){
        Sym=xsyComment; GetComment();
      } else {
        TagNm=GetName();
        if (TagNm=="DOCTYPE"){GetDocTypeDecl(); Sym=xsyDocTypeDecl;}
        else if (TagNm=="ELEMENT"){GetElement(); Sym=xsyElement;}
        else if (TagNm=="ATTLIST"){GetAttList(); Sym=xsyAttList;}
        else if (TagNm=="ENTITY"){GetEntity(); Sym=xsyEntity;}
        else if (TagNm=="NOTATION"){GetNotation(); Sym=xsyNotation;}
        else {EThrow(TStr("Invalid tag (")+TagNm+").");}
      }
    } else
    if (Ch=='/'){
      // xsyETag
      GetCh(); Sym=xsyETag; TagNm=GetName(); GetWs(false);
      if (Ch=='>'){GetCh();}
      else {EThrow("Invalid End-Tag.");}
    } else {
      // xsySTag or xsySETag
      TagNm=GetName(); GetWs(false);
      while ((Ch!='>')&&(Ch!='/')){
        TStr AttrNm=GetName();
        GetEq();
        TStr AttrVal=GetAttValue();
        GetWs(false);
        AddArg(AttrNm, AttrVal);
      }
      if (Ch=='/'){
        if (GetCh()=='>'){Sym=xsySETag; GetCh();}
        else {EThrow("Invalid Empty-Element-Tag.");}
      } else {
        Sym=xsySTag; GetCh();
      }
    }
    if (Spacing==xspTruncate){SkipWs();}
  } else
  if (ChDef.IsWs(Ch)){
    Sym=xsyWs; GetWs(true); ToNrSpacing();
    if (Spacing==xspTruncate){GetSym();}
  } else
  if (Ch==TCh::EofCh){
    Sym=xsyEof;
  } else {
    Sym=xsyStr; TxtChA.Clr();
    // [14]  CharData ::=  [^<&]* - ([^<&]* ']]>' [^<&]*)
    forever {
      if (!ChDef.IsChar(Ch)){
        EThrow(TUInt::GetStr(Ch, "Invalid character (%d)."));}
                // GetCh();  continue; // skip invalid characters
      if (Ch=='<'){break;} // tag
      if (Ch=='&'){GetCh(); TxtChA+=GetReference();} // reference
      else {
        if ((Ch=='>')&&(TxtChA.Len()>=2)&&
         (TxtChA.LastLastCh()==']')&&(TxtChA.LastCh()==']')){
          EThrow("Forbidden substring ']]>' in character data.");}
        TxtChA+=Ch; GetCh(); // usual char
      }
    }
    ToNrSpacing();
  }
  return Sym;
}

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TStr TXmlLx::GetSymStr

(

)

const

Definition at line 835 of file xml.cpp.

References TChA::Empty(), Fail, GetArg(), GetArgs(), GetArgValQCh(), TStr::GetHex(), Sym, TagNm, TxtChA, xsyComment, xsyDocTypeDecl, xsyEof, xsyETag, xsyPI, xsyQStr, xsySETag, xsySTag, xsyStr, xsyUndef, xsyWs, and xsyXmlDecl.

                             {
  TChA SymChA;
  switch (Sym){
    case xsyUndef:
      SymChA="{Undef}"; break;
    case xsyWs:
      SymChA+="{Space:'"; SymChA+=TStr(TxtChA).GetHex(); SymChA+="'}"; break;
    case xsyComment:
      SymChA+="<!--"; SymChA+=TxtChA; SymChA+="-->"; break;
    case xsyXmlDecl:{
      SymChA+="<?"; SymChA+=TagNm;
      for (int ArgN=0; ArgN<GetArgs(); ArgN++){
        TStr ArgNm; TStr ArgVal; GetArg(ArgN, ArgNm, ArgVal);
        char ArgValQCh=GetArgValQCh(ArgVal);
        SymChA+=' '; SymChA+=ArgNm; SymChA+='=';
        SymChA+=ArgValQCh; SymChA+=ArgVal; SymChA+=ArgValQCh;
      }
      SymChA+="?>"; break;}
    case xsyPI:
      SymChA+="<?"; SymChA+=TagNm;
      if (!TxtChA.Empty()){SymChA+=' '; SymChA+=TxtChA;}
      SymChA+="?>"; break;
    case xsyDocTypeDecl:
      SymChA+="<!DOCTYPE "; SymChA+=TagNm; SymChA+=">"; break;
    case xsySTag:
    case xsySETag:{
      SymChA+="<"; SymChA+=TagNm;
      for (int ArgN=0; ArgN<GetArgs(); ArgN++){
        TStr ArgNm; TStr ArgVal; GetArg(ArgN, ArgNm, ArgVal);
        char ArgValQCh=GetArgValQCh(ArgVal);
        SymChA+=' '; SymChA+=ArgNm; SymChA+='=';
        SymChA+=ArgValQCh; SymChA+=ArgVal; SymChA+=ArgValQCh;
      }
      if (Sym==xsySTag){SymChA+=">";}
      else if (Sym==xsySETag){SymChA+="/>";}
      else {Fail;}
      break;}
    case xsyETag:
      SymChA+="</"; SymChA+=TagNm; SymChA+=">"; break;
    case xsyStr:
      SymChA="{String:'"; SymChA+=TxtChA; SymChA+="'}"; break;
    case xsyQStr:
      SymChA="{QString:'"; SymChA+=TxtChA; SymChA+="'}"; break;
    case xsyEof:
      SymChA="{Eof}"; break;
    default: Fail;
  }
  return SymChA;
}

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TStr TXmlLx::GetSystemLiteral ( )

private

Definition at line 583 of file xml.cpp.

References Ch, ChDef, EThrow(), GetCh(), and TXmlChDef::IsChar().

Referenced by GetExternalId().

                             {
  // [11]  SystemLiteral ::=  ('"' [^"]* '"') | ("'" [^']* "'")
  char QCh=Ch;
  if ((Ch!='\'')&&(Ch!='"')){EThrow("Quote character (' or \") expected.");}
  TChA LitChA; GetCh();
  while (Ch!=QCh){
    if (!ChDef.IsChar(Ch)){EThrow("Invalid System-Literal character.");}
    LitChA+=Ch; GetCh();
  }
  GetCh();
  return LitChA;
}

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TStr TXmlLx::GetUsAsciiStrFromXmlStr ( const TStr &  EntRefStr )

static

Definition at line 1056 of file xml.cpp.

References Ch, TStr::ChangeStrAll(), ChN, GetPlainStrFromXmlStr(), TChA::Len(), and TChA::PutCh().

                                                      {
  TStr UsAsciiStr=XmlStr;
  UsAsciiStr.ChangeStrAll("è", "c");
  UsAsciiStr.ChangeStrAll("È", "C");
  UsAsciiStr.ChangeStrAll("š", "s");
  UsAsciiStr.ChangeStrAll("Š", "S");
  UsAsciiStr.ChangeStrAll("ž", "z");
  UsAsciiStr.ChangeStrAll("Ž", "Z");
  TChA UsAsciiChA=TXmlLx::GetPlainStrFromXmlStr(UsAsciiStr);
  for (int ChN=0; ChN<UsAsciiChA.Len(); ChN++){
    char Ch=UsAsciiChA[ChN];
    if ((Ch<' ')||('~'<Ch)){UsAsciiChA.PutCh(ChN, 'x');}
  }
  return UsAsciiChA;
}

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TStr TXmlLx::GetVersionNum ( )

private

Definition at line 473 of file xml.cpp.

References Ch, EThrow(), and GetCh().

Referenced by GetXmlDecl().

                          {
  // [24] VersionInfo ::=  {{S 'version' Eq}} (' VersionNum ' | " VersionNum ")
  // [26] VersionNum ::=  ([a-zA-Z0-9_.:] | '-')+
  char QCh=Ch;
  if ((Ch!='\'')&&(Ch!='"')){EThrow("Quote character (' or \") expected.");}
  TChA VerNumChA;
  GetCh();
  do {
    if ((('a'<=Ch)&&(Ch<='z'))||(('A'<=Ch)&&(Ch<='Z'))||
     (('0'<=Ch)&&(Ch<='9'))||(Ch=='_')||(Ch=='.')||(Ch==':')||(Ch=='-')){
      VerNumChA+=Ch;
    } else {
      EThrow("Invalid version-number character.");
    }
    GetCh();
  } while (Ch!=QCh);
  GetCh();
  return VerNumChA;
}

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void TXmlLx::GetWs ( const bool &  IsRq )

private

Definition at line 331 of file xml.cpp.

References Ch, ChDef, TChA::Clr(), EThrow(), GetCh(), TXmlChDef::IsWs(), and TxtChA.

Referenced by GetDocTypeDecl(), GetEntity(), GetEq(), GetExternalId(), GetNData(), GetPI(), GetSym(), and GetXmlDecl().

                                  {
  // [3] S ::=  (#x20 | #x9 | #xD | #xA)+
  int WSpaces=0; TxtChA.Clr();
  while (ChDef.IsWs(Ch)){
    WSpaces++; TxtChA+=Ch; GetCh();}
  if (IsRq&&(WSpaces==0)){
    EThrow("White-space required.");}
}

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void TXmlLx::GetXmlDecl ( )

private

Definition at line 531 of file xml.cpp.

References AddArg(), Ch, EThrow(), GetCh(), GetEncName(), GetEq(), GetName(), GetStalVal(), GetVersionNum(), and GetWs().

Referenced by GetSym().

                       {
  // [23] XMLDecl ::=  {{'<?xml'}}... VersionInfo EncodingDecl? SDDecl? S? '?>'
  // [24] VersionInfo ::=  S 'version' Eq (' VersionNum ' | " VersionNum ")
  GetWs(true);
  TStr VerNm=GetName("version"); GetEq(); TStr VerVal=GetVersionNum();
  if (VerVal!="1.0"){EThrow("Invalid XML version.");}
  AddArg(VerNm, VerVal);
  GetWs(false);
  if (Ch!='?'){
    // EncodingDecl ::=  {{S}} 'encoding' Eq
    //  ('"' EncName '"' |  "'" EncName "'" )
    TStr EncNm=GetName("encoding"); GetEq(); TStr EncVal=GetEncName();
    AddArg(EncNm, EncVal);
  }
  GetWs(false);
  if (Ch!='?'){
    // SDDecl ::=  {{S}} 'standalone' Eq
    //  (("'" ('yes' | 'no') "'") | ('"' ('yes' | 'no') '"'))
    TStr StalNm=GetName("standalone"); GetEq(); TStr StalVal=GetStalVal();
    AddArg(StalNm, StalVal);
  }
  GetWs(false);
  if (Ch=='?'){
    GetCh();
    if (Ch=='>'){GetCh();}
    else {EThrow("Invalid end-of-tag in XML-declaration.");}
  } else {
    EThrow("Invalid end-of-tag in XML-declaration.");
  }
}

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TStr TXmlLx::GetXmlLxSymStr ( const TXmlLxSym &  XmlLxSym )

static

Definition at line 904 of file xml.cpp.

References xsyAttList, xsyComment, xsyDocTypeDecl, xsyElement, xsyEntity, xsyEof, xsyETag, xsyNotation, xsyPI, xsyQStr, xsySETag, xsySTag, xsyStr, xsyTag, xsyUndef, xsyWs, and xsyXmlDecl.

Referenced by TXmlTok::GetSymStr().

                                                    {
  switch (XmlLxSym){
    case xsyUndef: return "Undef";
    case xsyWs: return "White-Space";
    case xsyComment: return "Comment";
    case xsyXmlDecl: return "Declaration";
    case xsyPI: return "PI";
    case xsyDocTypeDecl: return "Document-Type";
    case xsyElement: return "Element";
    case xsyAttList: return "Attribute-List";
    case xsyEntity: return "Entity";
    case xsyNotation: return "Notation";
    case xsyTag: return "Tag";
    case xsySTag: return "Start-Tag";
    case xsyETag: return "End-Tag";
    case xsySETag: return "Start-End-Tag";
    case xsyStr: return "String";
    case xsyQStr: return "Quoted-String";
    case xsyEof: return "Eon-Of-File";
    default: return "Undef";
  }
}

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TStr TXmlLx::GetXmlStrFromPlainMem ( const TMem &  PlainMem )

static

Definition at line 945 of file xml.cpp.

References Ch, ChN, TUInt::GetStr(), and TMem::Len().

Referenced by TMem::SaveXml().

                                                      {
  TChA XmlChA;
  for (int ChN=0; ChN<PlainMem.Len(); ChN++){
    uchar Ch=PlainMem[ChN];
    if ((' '<=Ch)&&(Ch<='~')){
      switch (Ch){
        case '"': XmlChA+="&quot;"; break;
        case '&': XmlChA+="&amp;"; break;
        case '\'': XmlChA+="&apos;"; break;
        case '<': XmlChA+="&lt;"; break;
        case '>': XmlChA+="&gt;"; break;
        default: XmlChA+=Ch;
      }
    } else
    if ((Ch=='\r')||(Ch=='\n')){
      XmlChA+=Ch;
    } else {
      XmlChA+='&'; XmlChA+='#'; XmlChA+=TUInt::GetStr(Ch); XmlChA+=';';
    }
  }
  return XmlChA;
}

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TStr TXmlLx::GetXmlStrFromPlainStr ( const TChA &  PlainChA )

static

Definition at line 968 of file xml.cpp.

References Ch, ChN, TUInt::GetStr(), and TChA::Len().

Referenced by TXmlTok::AddTokToChA(), THtmlDoc::GetTxtLnDoc(), THtmlDoc::SaveHtmlToXml(), TChA::SaveXml(), and TStr::SaveXml().

                                                      {
  TChA XmlChA;
  for (int ChN=0; ChN<PlainChA.Len(); ChN++){
    uchar Ch=PlainChA[ChN];
    if ((' '<=Ch)&&(Ch<='~')){
      switch (Ch){
        case '"': XmlChA+="&quot;"; break;
        case '&': XmlChA+="&amp;"; break;
        case '\'': XmlChA+="&apos;"; break;
        case '<': XmlChA+="&lt;"; break;
        case '>': XmlChA+="&gt;"; break;
        default: XmlChA+=Ch;
      }
    } else
    if ((Ch=='\r')||(Ch=='\n')){
      XmlChA+=Ch;
    } else {
      XmlChA+='&'; XmlChA+='#'; XmlChA+=TUInt::GetStr(Ch); XmlChA+=';';
    }
  }
  return XmlChA;
}

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bool TXmlLx::IsArgNm ( const TStr &  ArgNm ) const

inline

Definition at line 163 of file xml.h.

References TVec< TVal, TSizeTy >::IsIn().

                                        {
    return ArgNmValKdV.IsIn(TStrKd(ArgNm));}

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bool TXmlLx::IsEntityNm ( const TStr &  EntityNm, TStr &  EntityVal  ) const

inline

Definition at line 175 of file xml.h.

References THash< TKey, TDat, THashFunc >::IsKeyGetDat().

Referenced by GetReference().

                                                               {
    return EntityNmToValH.IsKeyGetDat(EntityNm, EntityVal);}

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bool TXmlLx::IsPEntityNm ( const TStr &  EntityNm, TStr &  EntityVal  ) const

inline

Definition at line 179 of file xml.h.

References THash< TKey, TDat, THashFunc >::IsKeyGetDat().

Referenced by GetPEReference().

                                                                {
    return PEntityNmToValH.IsKeyGetDat(EntityNm, EntityVal);}

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bool TXmlLx::IsTagNm ( const TStr &  Str )

static

Definition at line 927 of file xml.cpp.

References ChN, and TChA::Len().

                                   {
  TChA ChA=Str;
  if (ChA.Len()>0){
    if (TXmlLx::ChDef.IsFirstNameCh(ChA[0])){
      for (int ChN=1; ChN<ChA.Len(); ChN++){
        if (!TXmlLx::ChDef.IsName(ChA[ChN])){
          return false;
        }
      }
      return true;
    } else {
      return false;
    }
  } else {
    return false;
  }
}

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TXmlLx& TXmlLx::operator= ( const TXmlLx &  )

inline

Definition at line 152 of file xml.h.

References Fail.

{Fail; return *this;}

void TXmlLx::PutCh ( const uchar &  _Ch )

inlineprivate

Definition at line 108 of file xml.h.

References TChA::Push().

Referenced by PutStr().

{ChStack.Push(Ch); Ch=_Ch;}

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void TXmlLx::PutEntityVal ( const TStr &  Nm, const TStr &  Val  )

inline

Definition at line 177 of file xml.h.

References THash< TKey, TDat, THashFunc >::AddDat().

Referenced by GetEntity().

                                                    {
    EntityNmToValH.AddDat(Nm, Val);}

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void TXmlLx::PutPEntityVal ( const TStr &  Nm, const TStr &  Val  )

inline

Definition at line 181 of file xml.h.

References THash< TKey, TDat, THashFunc >::AddDat().

Referenced by GetEntity().

                                                     {
    PEntityNmToValH.AddDat(Nm, Val);}

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void TXmlLx::PutStr ( const TStr &  Str )

inlineprivate

Definition at line 109 of file xml.h.

References TStr::Len(), and PutCh().

                              {
    for (int ChN=Str.Len()-1; ChN>=0; ChN--){PutCh(Str[ChN]);}}

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void TXmlLx::SkipWs

(

)

Definition at line 752 of file xml.cpp.

References Ch, ChDef, GetCh(), and TXmlChDef::IsWs().

Referenced by GetSym(), and TXmlDoc::LoadTxt().

                   {
  // [3] S ::=  (#x20 | #x9 | #xD | #xA)+
  while (ChDef.IsWs(Ch)){GetCh();}
}

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void TXmlLx::ToNrSpacing ( )

private

Definition at line 270 of file xml.cpp.

References ChDef, TCh::CrCh, Fail, TXmlChDef::IsWs(), TChA::LastCh(), TChA::Len(), TCh::LfCh, TChA::Pop(), TChA::PutCh(), Spacing, TChA::Trunc(), TxtChA, xspIntact, xspPreserve, xspSeparate, and xspTruncate.

Referenced by GetSym().

                        {
  if (Spacing==xspIntact){
  } else
  if (Spacing==xspPreserve){
    int SrcChN=0; int DstChN=0;
    while (SrcChN<TxtChA.Len()){
      if (TxtChA[SrcChN]==TCh::CrCh){
        TxtChA.PutCh(DstChN, TCh::LfCh); SrcChN++; DstChN++;
        if ((SrcChN<TxtChA.Len())&&(TxtChA[SrcChN]==TCh::LfCh)){SrcChN++;}
      } else {
        if (SrcChN!=DstChN){
          TxtChA.PutCh(DstChN, TxtChA[SrcChN]);}
        SrcChN++; DstChN++;
      }
    }
    TxtChA.Trunc(DstChN);
  } else
  if (Spacing==xspSeparate){
    // squeeze series of white-spaces to single space
    int SrcChN=0; int DstChN=0;
    while (SrcChN<TxtChA.Len()){
      if (ChDef.IsWs(TxtChA[SrcChN])){
        if ((DstChN>0)&&(TxtChA[DstChN-1]==' ')){
          SrcChN++;
        } else {
          TxtChA.PutCh(DstChN, ' ');
          SrcChN++; DstChN++;
        }
      } else {
        TxtChA.PutCh(DstChN, TxtChA[SrcChN]);
        SrcChN++; DstChN++;
      }
    }
    TxtChA.Trunc(DstChN);
  } else
  if (Spacing==xspTruncate){
    // cut leading and trailing white-spaces and
    // squeeze series of white-spaces to single space
    int SrcChN=0; int DstChN=0;
    while (SrcChN<TxtChA.Len()){
      if (ChDef.IsWs(TxtChA[SrcChN])){
        if ((DstChN>0)&&(TxtChA[DstChN-1]==' ')){
          SrcChN++;
        } else {
          TxtChA.PutCh(DstChN, ' ');
          SrcChN++; DstChN++;
        }
      } else {
        TxtChA.PutCh(DstChN, TxtChA[SrcChN]);
        SrcChN++; DstChN++;
      }
    }
    TxtChA.Trunc(DstChN);
    // delete trailing white-spaces
    while ((TxtChA.Len()>0)&&(ChDef.IsWs(TxtChA.LastCh()))){
      TxtChA.Pop();}
  } else {
    Fail;
  }
}

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Member Data Documentation

TStrKdV TXmlLx::ArgNmValKdV

Definition at line 142 of file xml.h.

Referenced by TXmlTok::GetTok().

uchar TXmlLx::Ch

private

Definition at line 104 of file xml.h.

Referenced by GetAttList(), GetAttValue(), GetCDSect(), GetCh(), GetComment(), GetDocTypeDecl(), GetElement(), GetEncName(), GetEntity(), GetEntityValue(), GetEq(), GetName(), GetNotation(), GetPEReference(), GetPI(), GetPlainStrFromXmlStr(), GetPubidLiteral(), GetReference(), GetStalVal(), GetSym(), GetSystemLiteral(), GetUsAsciiStrFromXmlStr(), GetVersionNum(), GetWs(), GetXmlDecl(), GetXmlStrFromPlainMem(), GetXmlStrFromPlainStr(), and SkipWs().

TXmlChDef TXmlLx::ChDef

staticprivate

Definition at line 100 of file xml.h.

Referenced by GetAttList(), GetAttValue(), GetCDSect(), GetComment(), GetDocTypeDecl(), GetElement(), GetEntityValue(), GetName(), GetNotation(), GetPI(), GetPubidLiteral(), GetReference(), GetSym(), GetSystemLiteral(), GetWs(), SkipWs(), and ToNrSpacing().

int TXmlLx::ChN

private

Definition at line 105 of file xml.h.

Referenced by GetCh(), GetUsAsciiStrFromXmlStr(), GetXmlStrFromPlainMem(), GetXmlStrFromPlainStr(), and IsTagNm().

TChA TXmlLx::ChStack

private

Definition at line 103 of file xml.h.

Referenced by GetCh().

TStrStrH TXmlLx::EntityNmToValH

private

Definition at line 113 of file xml.h.

int TXmlLx::LnChN

private

Definition at line 105 of file xml.h.

Referenced by EThrow(), GetCh(), and GetFPosStr().

int TXmlLx::LnN

private

Definition at line 105 of file xml.h.

Referenced by EThrow(), GetCh(), and GetFPosStr().

TStrStrH TXmlLx::PEntityNmToValH

private

Definition at line 113 of file xml.h.

uchar TXmlLx::PrevCh

private

Definition at line 104 of file xml.h.

Referenced by GetCh().

TSIn& TXmlLx::RSIn

private

Definition at line 102 of file xml.h.

Referenced by GetCh().

PSIn TXmlLx::SIn

private

Definition at line 101 of file xml.h.

Referenced by EThrow(), and GetFPosStr().

TXmlSpacing TXmlLx::Spacing

private

Definition at line 106 of file xml.h.

Referenced by GetSym(), and ToNrSpacing().

TXmlLxSym TXmlLx::Sym

Definition at line 139 of file xml.h.

Referenced by GetSym(), GetSymStr(), TXmlTok::GetTok(), TStrUtil::GetXmlTagNmVal2(), TSnap::LoadDyNet(), TSnap::LoadDyNetGraphV(), TXmlDoc::LoadTxt(), TXmlDoc::LoadTxtElement(), TXmlDoc::LoadTxtMiscStar(), and TXmlDoc::SkipTopTag().

TStr TXmlLx::TagNm

Definition at line 141 of file xml.h.

Referenced by GetDocTypeDecl(), GetEntity(), GetSym(), GetSymStr(), TXmlTok::GetTok(), TStrUtil::GetXmlTagNmVal(), TStrUtil::GetXmlTagNmVal2(), TStrUtil::GetXmlTagVal(), TSnap::LoadDyNet(), TSnap::LoadDyNetGraphV(), and TXmlDoc::LoadTxtElement().

TChA TXmlLx::TxtChA

Definition at line 140 of file xml.h.

Referenced by GetAttList(), GetCDSect(), GetComment(), GetElement(), GetNotation(), GetPI(), GetSym(), GetSymStr(), TXmlTok::GetTok(), GetWs(), TStrUtil::GetXmlTagNmVal(), TStrUtil::GetXmlTagNmVal2(), TStrUtil::GetXmlTagVal(), and ToNrSpacing().

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

• glib-core/xml.h
• glib-core/xml.cpp