THttpLx Class Reference

Collaboration diagram for THttpLx:

Public Member Functions
	THttpLx (const PSIn &_SIn)
THttpLx &	operator= (const THttpLx &)
bool	Eof ()
int	Len ()
char	GetFirstCh ()
char	GetCh ()
void	GetRest ()
void	PutCh (const char &_Ch)
void	ClrMemSf ()
TMem &	GetMemSf ()
THttpRqMethod	GetRqMethod ()
PUrl	GetUrl ()
TStr	GetUrlStr ()
bool	IsRespStatusLn ()
TStr	GetRespReasonPhrase ()
void	GetWs ()
bool	IsLws ()
void	GetLws ()
bool	IsCrLf ()
void	GetCrLf ()
void	GetPeriod ()
TStr	GetToken (const TStr &ExpectStr=TStr())
TStr	GetSpec (const TStr &ExpectStr=TStr())
int	GetInt (const int &RqPlaces=-1)
TStr	GetFldVal ()

Static Public Member Functions
static TStr	GetNrStr (const TStr &Str)

Private Attributes
PSIn	SIn
TBoolChS	EofChPrS
char	Ch
bool	AtEof
TMem	SfMem

Static Private Attributes
static THttpChDef	ChDef

Detailed Description

Definition at line 179 of file http.cpp.

Constructor & Destructor Documentation

THttpLx::THttpLx ( const PSIn &  _SIn )

inline

Definition at line 189 of file http.cpp.

References GetFirstCh().

                           :
    SIn(_SIn), EofChPrS(), Ch(' '), AtEof(false), SfMem(50000){
    GetFirstCh();}

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Member Function Documentation

void THttpLx::ClrMemSf ( )

inline

Definition at line 203 of file http.cpp.

References TMem::Clr(), and SfMem.

Referenced by THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

{SfMem.Clr();}

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bool THttpLx::Eof ( )

inline

Definition at line 196 of file http.cpp.

References AtEof.

Referenced by GetFldVal(), GetRespReasonPhrase(), GetRqMethod(), GetToken(), GetUrl(), GetUrlStr(), GetWs(), THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

{return AtEof;}

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char THttpLx::GetCh

(

)

Definition at line 239 of file http.cpp.

References AtEof, Ch, TSStack< TVal >::Empty(), TSIn::Eof(), EofChPrS, TSIn::GetCh(), heUnexpectedEof, TCh::NullCh, TSStack< TVal >::Pop(), SfMem, SIn, TSStack< TVal >::Top(), TPair< TVal1, TVal2 >::Val1, and TPair< TVal1, TVal2 >::Val2.

Referenced by GetCrLf(), GetFldVal(), GetInt(), GetLws(), GetPeriod(), GetRespReasonPhrase(), GetRest(), GetRqMethod(), GetSpec(), GetToken(), GetUrl(), GetUrlStr(), GetWs(), IsCrLf(), IsLws(), and IsRespStatusLn().

                   {
  if (EofChPrS.Empty()){
    if (SIn->Eof()){
      if (AtEof){throw THttpEx(heUnexpectedEof);}
      AtEof=true; SfMem+=Ch; Ch=TCh::NullCh; return Ch;
    } else {
      SfMem+=Ch; Ch=SIn->GetCh(); return Ch;
    }
  } else {
    SfMem+=Ch;
    AtEof=EofChPrS.Top().Val1; Ch=EofChPrS.Top().Val2; EofChPrS.Pop();
    return Ch;
  }
}

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void THttpLx::GetCrLf

(

)

Definition at line 382 of file http.cpp.

References Ch, TCh::CrCh, GetCh(), heCrLfExpected, and TCh::LfCh.

Referenced by THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

                     {
  if (Ch==TCh::CrCh){
    GetCh();
    if (Ch==TCh::LfCh){GetCh();} else {throw THttpEx(heCrLfExpected);}
  } else
  if (Ch==TCh::LfCh){
    GetCh();
  } else {
    throw THttpEx(heCrLfExpected);
  }
}

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char THttpLx::GetFirstCh

(

)

Definition at line 230 of file http.cpp.

References AtEof, Ch, TSIn::Eof(), TSIn::GetCh(), heUnexpectedEof, and SIn.

Referenced by THttpLx().

                        {
  if (SIn->Eof()){
    if (AtEof){throw THttpEx(heUnexpectedEof);}
    AtEof=true; return 0;
  } else {
    Ch=SIn->GetCh(); return Ch;
  }
}

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TStr THttpLx::GetFldVal

(

)

Definition at line 433 of file http.cpp.

References Ch, ChDef, TCh::CrCh, Eof(), GetCh(), GetLws(), IsLws(), THttpChDef::IsText(), and TCh::LfCh.

Referenced by THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

                       {
  TChA FldValStr;
  do {
    GetLws();
    while (!Eof()&&ChDef.IsText(Ch)&&(Ch!=TCh::CrCh)&&(Ch!=TCh::LfCh)){
      FldValStr+=Ch; GetCh();}
    if (IsLws()){FldValStr+=' ';}
  } while (IsLws());
  return FldValStr;
}

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int THttpLx::GetInt

(

const int &

RqPlaces = -1

)

Definition at line 422 of file http.cpp.

References Ch, ChDef, GetCh(), GetLws(), heInvalidNumPlaces, heNumExpected, and THttpChDef::IsDigit().

Referenced by THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

                                      {
  GetLws();
  if (!ChDef.IsDigit(Ch)){throw THttpEx(heNumExpected);}
  int Int=0; int CurPlaces=0;
  do {Int=Int*10+Ch-'0'; CurPlaces++; GetCh();
  } while ((CurPlaces<RqPlaces)&&(ChDef.IsDigit(Ch)));
  if (RqPlaces!=-1){
    if (CurPlaces!=RqPlaces){throw THttpEx(heInvalidNumPlaces);}}
  return Int;
}

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void THttpLx::GetLws

(

)

Definition at line 348 of file http.cpp.

References Ch, TCh::CrCh, forever, GetCh(), TCh::LfCh, PutCh(), and TCh::TabCh.

Referenced by GetFldVal(), GetInt(), GetRespReasonPhrase(), GetSpec(), and GetToken().

                    {
  forever {
    while ((Ch==' ')||(Ch==TCh::TabCh)){GetCh();}
    if (Ch==TCh::CrCh){
      GetCh();
      if (Ch==TCh::LfCh){
        GetCh();
        if ((Ch==' ')||(Ch==TCh::TabCh)){GetCh();}
        else {PutCh(TCh::LfCh); PutCh(TCh::CrCh); break;}
      } else {
        PutCh(TCh::CrCh); break;
      }
    } else
    if (Ch==TCh::LfCh){
      GetCh();
      if ((Ch==' ')||(Ch==TCh::TabCh)){GetCh();}
      else {PutCh(TCh::LfCh); break;}
    } else {
      break;
    }
  }
}

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TMem& THttpLx::GetMemSf ( )

inline

Definition at line 204 of file http.cpp.

References SfMem.

Referenced by THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

{return SfMem;}

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static TStr THttpLx::GetNrStr ( const TStr &  Str )

inlinestatic

Definition at line 226 of file http.cpp.

References ChDef, and THttpChDef::GetLcStr().

Referenced by THttpRq::AddFldVal(), THttpResp::AddFldVal(), THttpResp::AddHdFld(), THttpRq::GetFldVal(), THttpResp::GetFldVal(), THttpResp::GetFldValV(), GetToken(), THttpRq::IsFldNm(), THttpResp::IsFldNm(), THttpRq::IsFldVal(), THttpResp::IsFldVal(), THttpResp::ParseHttpResp(), THttpRq::ParseHttpRq(), and THttpRq::THttpRq().

{return ChDef.GetLcStr(Str);}

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void THttpLx::GetPeriod

(

)

Definition at line 394 of file http.cpp.

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

Referenced by THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

                       {
  GetWs();
  if (Ch!='.'){throw THttpEx(hePeriodExpected);}
  GetCh();
}

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TStr THttpLx::GetRespReasonPhrase

(

)

Definition at line 315 of file http.cpp.

References Ch, ChDef, TCh::CrCh, Eof(), GetCh(), GetLws(), THttpChDef::IsText(), and TCh::LfCh.

Referenced by THttpResp::ParseHttpResp().

                                 {
  GetLws();
  TChA RPStr;
  while (!Eof()&&ChDef.IsText(Ch)&&(Ch!=TCh::CrCh)&&(Ch!=TCh::LfCh)){
    RPStr+=Ch; GetCh();}
  return RPStr;
}

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void THttpLx::GetRest

(

)

Definition at line 254 of file http.cpp.

References Ch, TSStack< TVal >::Empty(), TSIn::Eof(), EofChPrS, GetCh(), TMem::LoadMem(), SfMem, and SIn.

Referenced by THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

                     {
  while ((!SIn->Eof())&&(!EofChPrS.Empty())){GetCh();}
  if (!SIn->Eof()){SfMem+=Ch;}
  TMem RestMem; TMem::LoadMem(SIn, RestMem);
  SfMem+=RestMem;
}

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THttpRqMethod THttpLx::GetRqMethod

(

)

Definition at line 261 of file http.cpp.

References Ch, ChDef, Eof(), GetCh(), heMethodNmExpected, hrmGet, hrmHead, hrmPost, hrmUndef, and THttpChDef::IsAlpha().

Referenced by THttpRq::ParseHttpRq().

                                  {
  TChA MethodNm;
  while (!Eof() && ChDef.IsAlpha(Ch)){
    MethodNm+=Ch; GetCh();}
  THttpRqMethod Method=hrmUndef;
  if (MethodNm==THttp::GetMethodNm){Method=hrmGet;}
  else if (MethodNm==THttp::HeadMethodNm){Method=hrmHead;}
  else if (MethodNm==THttp::PostMethodNm){Method=hrmPost;}
  if (Method==hrmUndef){throw THttpEx(heMethodNmExpected);}
  return Method;
}

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TStr THttpLx::GetSpec

(

const TStr &

ExpectStr = TStr()

)

Definition at line 413 of file http.cpp.

References Ch, ChDef, TStr::Empty(), GetCh(), GetLws(), heInvalidTSpec, heTSpecExpected, and THttpChDef::IsSpec().

Referenced by THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

                                          {
  GetLws();
  if (!ChDef.IsSpec(Ch)){throw THttpEx(heTSpecExpected);}
  TStr SpecStr(Ch); GetCh();
  if (!ExpectStr.Empty()){
    if (ExpectStr!=SpecStr){throw THttpEx(heInvalidTSpec);}}
  return SpecStr;
}

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TStr THttpLx::GetToken

(

const TStr &

ExpectStr = TStr()

)

Definition at line 400 of file http.cpp.

References Ch, ChDef, TChA::Empty(), TStr::Empty(), Eof(), GetCh(), GetLws(), GetNrStr(), heInvalidToken, heTokenExpected, THttpChDef::IsCtl(), and THttpChDef::IsSpec().

Referenced by THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

                                           {
  GetLws();
  TChA TokenStr;
  while (!Eof() && !ChDef.IsCtl(Ch) && !ChDef.IsSpec(Ch)){
    TokenStr+=Ch; GetCh();}
  if (TokenStr.Empty()){throw THttpEx(heTokenExpected);}
  if (!ExpectStr.Empty()){
    if (GetNrStr(ExpectStr)!=GetNrStr(TokenStr)){
      throw THttpEx(heInvalidToken);}
  }
  return TokenStr;
}

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PUrl THttpLx::GetUrl

(

)

Definition at line 273 of file http.cpp.

References Ch, ChDef, TChA::Empty(), Eof(), GetCh(), heBadUrl, heUrlEmpty, TUrl::IsOk(), and THttpChDef::IsSp().

                    {
  TChA UrlChA;
  while ((!Eof())&&(!ChDef.IsSp(Ch))){
    UrlChA+=Ch; GetCh();}
  if (UrlChA.Empty()){
    throw THttpEx(heUrlEmpty);}
  static TStr LocalBaseUrlStr="http://localhost/";
  PUrl Url=PUrl(new TUrl(UrlChA, LocalBaseUrlStr));
  if (!Url->IsOk()){
    throw THttpEx(heBadUrl);}
  return Url;
}

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TStr THttpLx::GetUrlStr

(

)

Definition at line 286 of file http.cpp.

References Ch, ChDef, TChA::Empty(), Eof(), GetCh(), heUrlEmpty, and THttpChDef::IsSp().

Referenced by THttpRq::ParseHttpRq().

                       {
  TChA UrlChA;
  while ((!Eof())&&(!ChDef.IsSp(Ch))){
    UrlChA+=Ch; GetCh();}
  if (UrlChA.Empty()){
    throw THttpEx(heUrlEmpty);}
  return UrlChA;
}

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void THttpLx::GetWs

(

)

Definition at line 323 of file http.cpp.

References Ch, Eof(), GetCh(), and TCh::TabCh.

Referenced by GetPeriod(), and THttpRq::ParseHttpRq().

                   {
  while (!Eof()&&((Ch==' ')||(Ch==TCh::TabCh))){GetCh();}
}

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bool THttpLx::IsCrLf

(

)

Definition at line 371 of file http.cpp.

References Ch, TCh::CrCh, GetCh(), TCh::LfCh, and PutCh().

Referenced by THttpResp::ParseHttpResp(), and THttpRq::ParseHttpRq().

                    {
  if (Ch==TCh::CrCh){
    GetCh(); bool Ok=(Ch==TCh::LfCh); PutCh(TCh::CrCh); return Ok;
  } else
  if (Ch==TCh::LfCh){
    return true;
  } else {
    return false;
  }
}

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bool THttpLx::IsLws

(

)

Definition at line 327 of file http.cpp.

References Ch, TCh::CrCh, GetCh(), TCh::LfCh, PutCh(), and TCh::TabCh.

Referenced by GetFldVal().

                   {
  if ((Ch==' ')||(Ch==TCh::TabCh)){
    return true;
  } else
  if (Ch==TCh::CrCh){
    GetCh();
    if (Ch==TCh::LfCh){
      GetCh(); bool Ok=(Ch==' ')||(Ch==TCh::TabCh);
      PutCh(TCh::LfCh); PutCh(TCh::CrCh); return Ok;
    } else {
      PutCh(TCh::CrCh); return false;
    }
  } else
  if (Ch==TCh::LfCh){
    GetCh(); bool Ok=(Ch==' ')||(Ch==TCh::TabCh);
    PutCh(TCh::LfCh); return Ok;
  } else {
    return false;
  }
}

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bool THttpLx::IsRespStatusLn

(

)

Definition at line 295 of file http.cpp.

References Ch, ChDef, GetCh(), THttpChDef::GetLcCh(), THttpChDef::IsDigit(), Len(), TChA::Len(), PutCh(), and TChA::PutCh().

Referenced by THttpResp::ParseHttpResp().

                            {
  static const TChA MouldChA="http/N.N NNN ";
  TChA TestChA(MouldChA);
  int TestLen=TestChA.Len();
  if (1+Len()<TestLen){return false;}
  TestChA.PutCh(0, ChDef.GetLcCh(Ch));
  {for (int ChN=1; ChN<TestLen; ChN++){
    TestChA.PutCh(ChN, ChDef.GetLcCh(GetCh()));}}
  {for (int ChN=1; ChN<TestLen; ChN++){
    PutCh(TestChA[TestLen-ChN-1]);}}
  {for (int ChN=0; ChN<MouldChA.Len(); ChN++){
    if (MouldChA[ChN]=='N'){
      if (!ChDef.IsDigit(TestChA[ChN])){return false;}
    } else {
      if (MouldChA[ChN]!=TestChA[ChN]){return false;}
    }
  }}
  return true;
}

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int THttpLx::Len ( )

inline

Definition at line 197 of file http.cpp.

References EofChPrS, TSIn::Len(), TSStack< TVal >::Len(), and SIn.

Referenced by IsRespStatusLn().

{return EofChPrS.Len()+SIn->Len();}

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THttpLx& THttpLx::operator= ( const THttpLx &  )

inline

Definition at line 193 of file http.cpp.

References Fail.

{Fail; return *this;}

void THttpLx::PutCh ( const char &  _Ch )

inline

Definition at line 201 of file http.cpp.

References AtEof, Ch, EofChPrS, TMem::Pop(), TSStack< TVal >::Push(), and SfMem.

Referenced by GetLws(), IsCrLf(), IsLws(), and IsRespStatusLn().

                             {
    EofChPrS.Push(TBoolChPr(AtEof, Ch)); Ch=_Ch; AtEof=false; SfMem.Pop();}

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Member Data Documentation

bool THttpLx::AtEof

private

Definition at line 186 of file http.cpp.

Referenced by Eof(), GetCh(), GetFirstCh(), and PutCh().

char THttpLx::Ch

private

Definition at line 185 of file http.cpp.

Referenced by GetCh(), GetCrLf(), GetFirstCh(), GetFldVal(), GetInt(), GetLws(), GetPeriod(), GetRespReasonPhrase(), GetRest(), GetRqMethod(), GetSpec(), GetToken(), GetUrl(), GetUrlStr(), GetWs(), IsCrLf(), IsLws(), IsRespStatusLn(), and PutCh().

THttpChDef THttpLx::ChDef

staticprivate

Definition at line 181 of file http.cpp.

Referenced by GetFldVal(), GetInt(), GetNrStr(), GetRespReasonPhrase(), GetRqMethod(), GetSpec(), GetToken(), GetUrl(), GetUrlStr(), and IsRespStatusLn().

TBoolChS THttpLx::EofChPrS

private

Definition at line 184 of file http.cpp.

Referenced by GetCh(), GetRest(), Len(), and PutCh().

TMem THttpLx::SfMem

private

Definition at line 187 of file http.cpp.

Referenced by ClrMemSf(), GetCh(), GetMemSf(), GetRest(), and PutCh().

PSIn THttpLx::SIn

private

Definition at line 182 of file http.cpp.

Referenced by GetCh(), GetFirstCh(), GetRest(), and Len().

---

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

• glib-core/http.cpp