THttpLx Class Reference

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.

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

Member Function Documentation

void THttpLx::ClrMemSf ( )

inline

Definition at line 203 of file http.cpp.

{SfMem.Clr();}

bool THttpLx::Eof ( )

inline

Definition at line 196 of file http.cpp.

{return AtEof;}

char THttpLx::GetCh

(

)

Definition at line 239 of file http.cpp.

                   {
  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;
  }
}

void THttpLx::GetCrLf

(

)

Definition at line 382 of file http.cpp.

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

char THttpLx::GetFirstCh

(

)

Definition at line 230 of file http.cpp.

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

TStr THttpLx::GetFldVal

(

)

Definition at line 433 of file http.cpp.

                       {
  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;
}

int THttpLx::GetInt

(

const int &

RqPlaces = -1

)

Definition at line 422 of file http.cpp.

                                      {
  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;
}

void THttpLx::GetLws

(

)

Definition at line 348 of file http.cpp.

                    {
  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;
    }
  }
}

TMem& THttpLx::GetMemSf ( )

inline

Definition at line 204 of file http.cpp.

{return SfMem;}

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

inlinestatic

Definition at line 226 of file http.cpp.

{return ChDef.GetLcStr(Str);}

void THttpLx::GetPeriod

(

)

Definition at line 394 of file http.cpp.

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

TStr THttpLx::GetRespReasonPhrase

(

)

Definition at line 315 of file http.cpp.

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

void THttpLx::GetRest

(

)

Definition at line 254 of file http.cpp.

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

THttpRqMethod THttpLx::GetRqMethod

(

)

Definition at line 261 of file http.cpp.

                                  {
  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;
}

TStr THttpLx::GetSpec

(

const TStr &

ExpectStr = TStr()

)

Definition at line 413 of file http.cpp.

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

TStr THttpLx::GetToken

(

const TStr &

ExpectStr = TStr()

)

Definition at line 400 of file http.cpp.

                                           {
  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;
}

PUrl THttpLx::GetUrl

(

)

Definition at line 273 of file http.cpp.

                    {
  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;
}

TStr THttpLx::GetUrlStr

(

)

Definition at line 286 of file http.cpp.

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

void THttpLx::GetWs

(

)

Definition at line 323 of file http.cpp.

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

bool THttpLx::IsCrLf

(

)

Definition at line 371 of file http.cpp.

                    {
  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;
  }
}

bool THttpLx::IsLws

(

)

Definition at line 327 of file http.cpp.

                   {
  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;
  }
}

bool THttpLx::IsRespStatusLn

(

)

Definition at line 295 of file http.cpp.

                            {
  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;
}

int THttpLx::Len ( )

inline

Definition at line 197 of file http.cpp.

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

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

inline

Definition at line 193 of file http.cpp.

{Fail; return *this;}

void THttpLx::PutCh ( const char &  _Ch )

inline

Definition at line 201 of file http.cpp.

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

Member Data Documentation

bool THttpLx::AtEof

private

Definition at line 186 of file http.cpp.

char THttpLx::Ch

private

Definition at line 185 of file http.cpp.

THttpChDef THttpLx::ChDef

staticprivate

Definition at line 181 of file http.cpp.

TBoolChS THttpLx::EofChPrS

private

Definition at line 184 of file http.cpp.

TMem THttpLx::SfMem

private

Definition at line 187 of file http.cpp.

PSIn THttpLx::SIn

private

Definition at line 182 of file http.cpp.

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

• glib-core/http.cpp