/usr/include/root/TPRegexp.h is in libroot-core-dev 5.34.14-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Eddy Offermann 24/06/05
/*************************************************************************
* Copyright (C) 1995-2005, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TPRegexp
#define ROOT_TPRegexp
//////////////////////////////////////////////////////////////////////////
// //
// TPRegexp //
// //
// C++ Wrapper for the "Perl Compatible Regular Expressions" library //
// The PCRE lib can be found at: //
// http://www.pcre.org/ //
// //
// Extensive documentation about Regular expressions in Perl can be //
// found at : //
// http://perldoc.perl.org/perlre.html //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_Rtypes
#include "Rtypes.h"
#endif
#ifndef ROOT_TString
#include "TString.h"
#endif
#ifndef ROOT_TArrayI
#include "TArrayI.h"
#endif
struct PCREPriv_t;
class TPRegexp {
protected:
enum {
kPCRE_GLOBAL = 0x80000000,
kPCRE_OPTIMIZE = 0x40000000,
kPCRE_DEBUG_MSGS = 0x20000000,
kPCRE_INTMASK = 0x0FFF
};
TString fPattern;
PCREPriv_t *fPriv;
UInt_t fPCREOpts;
static Bool_t fgThrowAtCompileError;
void Compile();
void Optimize();
UInt_t ParseMods(const TString &mods) const;
Int_t ReplaceSubs(const TString &s, TString &final,
const TString &replacePattern,
Int_t *ovec, Int_t nmatch) const;
Int_t MatchInternal(const TString& s, Int_t start,
Int_t nMaxMatch, TArrayI *pos=0);
Int_t SubstituteInternal(TString &s, const TString &replace,
Int_t start, Int_t nMaxMatch0,
Bool_t doDollarSubst);
public:
TPRegexp();
TPRegexp(const TString &pat);
TPRegexp(const TPRegexp &p);
virtual ~TPRegexp();
Bool_t IsValid() const;
Int_t Match(const TString &s, const TString &mods="",
Int_t start=0, Int_t nMaxMatch=10, TArrayI *pos=0);
TObjArray *MatchS(const TString &s, const TString &mods="",
Int_t start=0, Int_t nMaxMatch=10);
Bool_t MatchB(const TString &s, const TString &mods="",
Int_t start=0, Int_t nMaxMatch=10) {
return (Match(s,mods,start,nMaxMatch) > 0); }
Int_t Substitute(TString &s, const TString &replace,
const TString &mods="", Int_t start=0,
Int_t nMatchMax=10);
TString GetPattern() const { return fPattern; }
TString GetModifiers() const;
TPRegexp &operator=(const TPRegexp &p);
static Bool_t GetThrowAtCompileError();
static void SetThrowAtCompileError(Bool_t throwp);
ClassDef(TPRegexp,0) // Perl Compatible Regular Expression Class
};
class TPMERegexp : protected TPRegexp {
private:
TPMERegexp& operator=(const TPMERegexp&); // Not implemented
protected:
Int_t fNMaxMatches; // maximum number of matches
Int_t fNMatches; // number of matches returned from last pcre_exec call
TArrayI fMarkers; // last set of indexes of matches
TString fLastStringMatched; // copy of the last TString matched
void *fAddressOfLastString; // used for checking for change of TString in global match
Int_t fLastGlobalPosition; // end of last match when kPCRE_GLOBAL is set
public:
TPMERegexp();
TPMERegexp(const TString& s, const TString& opts = "", Int_t nMatchMax = 10);
TPMERegexp(const TString& s, UInt_t opts, Int_t nMatchMax = 10);
TPMERegexp(const TPMERegexp& r);
virtual ~TPMERegexp() {}
void Reset(const TString& s, const TString& opts = "", Int_t nMatchMax = -1);
void Reset(const TString& s, UInt_t opts, Int_t nMatchMax = -1);
Int_t GetNMaxMatches() const { return fNMaxMatches; }
void SetNMaxMatches(Int_t nm) { fNMaxMatches = nm; }
Int_t GetGlobalPosition() const { return fLastGlobalPosition; }
void AssignGlobalState(const TPMERegexp& re);
void ResetGlobalState();
Int_t Match(const TString& s, UInt_t start = 0);
Int_t Split(const TString& s, Int_t maxfields = 0);
Int_t Substitute(TString& s, const TString& r, Bool_t doDollarSubst=kTRUE);
Int_t NMatches() const { return fNMatches; }
TString operator[](Int_t);
virtual void Print(Option_t* option="");
ClassDef(TPMERegexp, 0); // Wrapper for Perl-like regular expression matching.
};
class TStringToken : public TString {
protected:
const TString fFullStr;
TPRegexp fSplitRe;
Bool_t fReturnVoid;
Int_t fPos;
public:
TStringToken(const TString& fullStr, const TString& splitRe, Bool_t retVoid=kFALSE);
virtual ~TStringToken() {}
Bool_t NextToken();
Bool_t AtEnd() const { return fPos >= fFullStr.Length(); }
ClassDef(TStringToken,0) // String tokenizer using PCRE for finding next tokens.
};
#endif
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