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// This may look like C code, but it is really -*- C++ -*-
/*
Copyright (C) 1988 Free Software Foundation
written by Doug Lea (dl@rocky.oswego.edu)
This file is part of the GNU C++ Library. This library is free
software; you can redistribute it and/or modify it under the terms of
the GNU Library General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version. This library is distributed in the hope
that it will be useful, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _String_h
#ifdef __GNUG__
#pragma interface
#endif
#define _String_h 1
#include <stream.h>
#include <Regex.h>
struct StrRep // internal String representations
{
unsigned short len; // string length
unsigned short sz; // allocated space
char s[1]; // the string starts here
// (at least 1 char for trailing null)
// allocated & expanded via non-public fcts
};
// primitive ops on StrReps -- nearly all String fns go through these.
StrRep* Salloc(StrRep*, const char*, int, int);
StrRep* Scopy(StrRep*, StrRep*);
StrRep* Sresize(StrRep*, int);
StrRep* Scat(StrRep*, const char*, int, const char*, int);
StrRep* Scat(StrRep*, const char*, int,const char*,int, const char*,int);
StrRep* Sprepend(StrRep*, const char*, int);
StrRep* Sreverse(StrRep*, StrRep*);
StrRep* Supcase(StrRep*, StrRep*);
StrRep* Sdowncase(StrRep*, StrRep*);
StrRep* Scapitalize(StrRep*, StrRep*);
// These classes need to be defined in the order given
class String;
class SubString;
class SubString
{
friend class String;
protected:
String& S; // The String I'm a substring of
unsigned short pos; // starting position in S's rep
unsigned short len; // length of substring
void assign(StrRep*, const char*, int = -1);
SubString(String& x, int p, int l);
SubString(const SubString& x);
public:
// Note there are no public constructors. SubStrings are always
// created via String operations
~SubString();
void operator = (const String& y);
void operator = (const SubString& y);
void operator = (const char* t);
void operator = (char c);
// return 1 if target appears anywhere in SubString; else 0
int contains(char c) const;
int contains(const String& y) const;
int contains(const SubString& y) const;
int contains(const char* t) const;
int contains(const Regex& r) const;
// return 1 if target matches entire SubString
int matches(const Regex& r) const;
// IO
friend ostream& operator<<(ostream& s, const SubString& x);
// status
unsigned int length() const;
int empty() const;
const char* chars() const;
int OK() const;
};
class String
{
friend class SubString;
protected:
StrRep* rep; // Strings are pointers to their representations
// some helper functions
int search(int, int, const char*, int = -1) const;
int search(int, int, char) const;
int match(int, int, int, const char*, int = -1) const;
int _gsub(const char*, int, const char* ,int);
int _gsub(const Regex&, const char*, int);
SubString _substr(int, int);
public:
// constructors & assignment
String();
String(const String& x);
String(const SubString& x);
String(const char* t);
String(const char* t, int len);
String(char c);
~String();
void operator = (const String& y);
void operator = (const char* y);
void operator = (char c);
void operator = (const SubString& y);
// concatenation
void operator += (const String& y);
void operator += (const SubString& y);
void operator += (const char* t);
void operator += (char c);
void prepend(const String& y);
void prepend(const SubString& y);
void prepend(const char* t);
void prepend(char c);
// procedural versions:
// concatenate first 2 args, store result in last arg
friend void cat(const String&, const String&, String&);
friend void cat(const String&, const SubString&, String&);
friend void cat(const String&, const char*, String&);
friend void cat(const String&, char, String&);
friend void cat(const SubString&, const String&, String&);
friend void cat(const SubString&, const SubString&, String&);
friend void cat(const SubString&, const char*, String&);
friend void cat(const SubString&, char, String&);
friend void cat(const char*, const String&, String&);
friend void cat(const char*, const SubString&, String&);
friend void cat(const char*, const char*, String&);
friend void cat(const char*, char, String&);
// double concatenation, by request. (yes, there are too many versions,
// but if one is supported, then the others should be too...)
// Concatenate first 3 args, store in last arg
friend void cat(const String&,const String&, const String&,String&);
friend void cat(const String&,const String&,const SubString&,String&);
friend void cat(const String&,const String&, const char*, String&);
friend void cat(const String&,const String&, char, String&);
friend void cat(const String&,const SubString&,const String&,String&);
friend void cat(const String&,const SubString&,const SubString&,String&);
friend void cat(const String&,const SubString&, const char*, String&);
friend void cat(const String&,const SubString&, char, String&);
friend void cat(const String&,const char*, const String&, String&);
friend void cat(const String&,const char*, const SubString&, String&);
friend void cat(const String&,const char*, const char*, String&);
friend void cat(const String&,const char*, char, String&);
friend void cat(const char*, const String&, const String&,String&);
friend void cat(const char*,const String&,const SubString&,String&);
friend void cat(const char*,const String&, const char*, String&);
friend void cat(const char*,const String&, char, String&);
friend void cat(const char*,const SubString&,const String&,String&);
friend void cat(const char*,const SubString&,const SubString&,String&);
friend void cat(const char*,const SubString&, const char*, String&);
friend void cat(const char*,const SubString&, char, String&);
friend void cat(const char*,const char*, const String&, String&);
friend void cat(const char*,const char*, const SubString&, String&);
friend void cat(const char*,const char*, const char*, String&);
friend void cat(const char*,const char*, char, String&);
// searching & matching
// return position of target in string or -1 for failure
int index(char c, int startpos = 0) const;
int index(const String& y, int startpos = 0) const;
int index(const SubString& y, int startpos = 0) const;
int index(const char* t, int startpos = 0) const;
int index(const Regex& r, int startpos = 0) const;
// return 1 if target appears anyhere in String; else 0
int contains(char c) const;
int contains(const String& y) const;
int contains(const SubString& y) const;
int contains(const char* t) const;
int contains(const Regex& r) const;
// return 1 if target appears anywhere after position pos
// (or before, if pos is negative) in String; else 0
int contains(char c, int pos) const;
int contains(const String& y, int pos) const;
int contains(const SubString& y, int pos) const;
int contains(const char* t, int pos) const;
int contains(const Regex& r, int pos) const;
// return 1 if target appears at position pos in String; else 0
int matches(char c, int pos = 0) const;
int matches(const String& y, int pos = 0) const;
int matches(const SubString& y, int pos = 0) const;
int matches(const char* t, int pos = 0) const;
int matches(const Regex& r, int pos = 0) const;
// return number of occurences of target in String
int freq(char c) const;
int freq(const String& y) const;
int freq(const SubString& y) const;
int freq(const char* t) const;
// SubString extraction
// Note that you can't take a substring of a const String, since
// this leaves open the possiblility of indirectly modifying the
// String through the SubString
SubString at(int pos, int len);
SubString operator () (int pos, int len); // synonym for at
SubString at(const String& x, int startpos = 0);
SubString at(const SubString& x, int startpos = 0);
SubString at(const char* t, int startpos = 0);
SubString at(char c, int startpos = 0);
SubString at(const Regex& r, int startpos = 0);
SubString before(int pos);
SubString before(const String& x, int startpos = 0);
SubString before(const SubString& x, int startpos = 0);
SubString before(const char* t, int startpos = 0);
SubString before(char c, int startpos = 0);
SubString before(const Regex& r, int startpos = 0);
SubString through(int pos);
SubString through(const String& x, int startpos = 0);
SubString through(const SubString& x, int startpos = 0);
SubString through(const char* t, int startpos = 0);
SubString through(char c, int startpos = 0);
SubString through(const Regex& r, int startpos = 0);
SubString from(int pos);
SubString from(const String& x, int startpos = 0);
SubString from(const SubString& x, int startpos = 0);
SubString from(const char* t, int startpos = 0);
SubString from(char c, int startpos = 0);
SubString from(const Regex& r, int startpos = 0);
SubString after(int pos);
SubString after(const String& x, int startpos = 0);
SubString after(const SubString& x, int startpos = 0);
SubString after(const char* t, int startpos = 0);
SubString after(char c, int startpos = 0);
SubString after(const Regex& r, int startpos = 0);
// deletion
// delete len chars starting at pos
void del(int pos, int len);
// delete the first occurrence of target after startpos
void del(const String& y, int startpos = 0);
void del(const SubString& y, int startpos = 0);
void del(const char* t, int startpos = 0);
void del(char c, int startpos = 0);
void del(const Regex& r, int startpos = 0);
// global substitution: substitute all occurrences of pat with repl
int gsub(const String& pat, const String& repl);
int gsub(const SubString& pat, const String& repl);
int gsub(const char* pat, const String& repl);
int gsub(const char* pat, const char* repl);
int gsub(const Regex& pat, const String& repl);
// friends & utilities
// split string into array res at separators; return number of elements
friend int split(const String& x, String res[], int maxn,
const String& sep);
friend int split(const String& x, String res[], int maxn,
const Regex& sep);
friend String common_prefix(const String& x, const String& y,
int startpos = 0);
friend String common_suffix(const String& x, const String& y,
int startpos = -1);
friend String replicate(char c, int n);
friend String replicate(const String& y, int n);
friend String join(String src[], int n, const String& sep);
// simple builtin transformations
friend String reverse(const String& x);
friend String upcase(const String& x);
friend String downcase(const String& x);
friend String capitalize(const String& x);
// in-place versions of above
void reverse();
void upcase();
void downcase();
void capitalize();
// element extraction
char& operator [] (int i);
char elem(int i) const;
char firstchar() const;
char lastchar() const;
// conversion
operator const char*() const;
const char* chars() const;
// IO
friend ostream& operator<<(ostream& s, const String& x);
friend ostream& operator<<(ostream& s, const SubString& x);
friend istream& operator>>(istream& s, String& x);
friend int readline(istream& s, String& x,
char terminator = '\n',
int discard_terminator = 1);
// status
unsigned int length() const;
int empty() const;
// preallocate some space for String
void alloc(int newsize);
// report current allocation (not length!)
int allocation() const;
void error(const char* msg) const;
int OK() const;
};
typedef String StrTmp; // for backward compatibility
// other externs
int compare(const String& x, const String& y);
int compare(const String& x, const SubString& y);
int compare(const String& x, const char* y);
int compare(const SubString& x, const String& y);
int compare(const SubString& x, const SubString& y);
int compare(const SubString& x, const char* y);
int fcompare(const String& x, const String& y); // ignore case
extern StrRep _nilStrRep;
extern String _nilString;
// other inlines
String operator + (const String& x, const String& y);
String operator + (const String& x, const SubString& y);
String operator + (const String& x, const char* y);
String operator + (const String& x, char y);
String operator + (const SubString& x, const String& y);
String operator + (const SubString& x, const SubString& y);
String operator + (const SubString& x, const char* y);
String operator + (const SubString& x, char y);
String operator + (const char* x, const String& y);
String operator + (const char* x, const SubString& y);
int operator==(const String& x, const String& y);
int operator!=(const String& x, const String& y);
int operator> (const String& x, const String& y);
int operator>=(const String& x, const String& y);
int operator< (const String& x, const String& y);
int operator<=(const String& x, const String& y);
int operator==(const String& x, const SubString& y);
int operator!=(const String& x, const SubString& y);
int operator> (const String& x, const SubString& y);
int operator>=(const String& x, const SubString& y);
int operator< (const String& x, const SubString& y);
int operator<=(const String& x, const SubString& y);
int operator==(const String& x, const char* t);
int operator!=(const String& x, const char* t);
int operator> (const String& x, const char* t);
int operator>=(const String& x, const char* t);
int operator< (const String& x, const char* t);
int operator<=(const String& x, const char* t);
int operator==(const SubString& x, const String& y);
int operator!=(const SubString& x, const String& y);
int operator> (const SubString& x, const String& y);
int operator>=(const SubString& x, const String& y);
int operator< (const SubString& x, const String& y);
int operator<=(const SubString& x, const String& y);
int operator==(const SubString& x, const SubString& y);
int operator!=(const SubString& x, const SubString& y);
int operator> (const SubString& x, const SubString& y);
int operator>=(const SubString& x, const SubString& y);
int operator< (const SubString& x, const SubString& y);
int operator<=(const SubString& x, const SubString& y);
int operator==(const SubString& x, const char* t);
int operator!=(const SubString& x, const char* t);
int operator> (const SubString& x, const char* t);
int operator>=(const SubString& x, const char* t);
int operator< (const SubString& x, const char* t);
int operator<=(const SubString& x, const char* t);
// status reports, needed before defining other things
inline unsigned int String::length() const { return rep->len; }
inline int String::empty() const { return rep->len == 0; }
inline const char* String::chars() const { return &(rep->s[0]); }
inline int String::allocation() const { return rep->sz; }
inline void String::alloc(int newsize) { rep = Sresize(rep, newsize); }
inline unsigned int SubString::length() const { return len; }
inline int SubString::empty() const { return len == 0; }
inline const char* SubString::chars() const { return &(S.rep->s[pos]); }
// constructors
inline String::String()
: rep(&_nilStrRep) {}
inline String::String(const String& x)
: rep(Scopy(0, x.rep)) {}
inline String::String(const char* t)
: rep(Salloc(0, t, -1, -1)) {}
inline String::String(const char* t, int tlen)
: rep(Salloc(0, t, tlen, tlen)) {}
inline String::String(const SubString& y)
: rep(Salloc(0, y.chars(), y.length(), y.length())) {}
inline String::String(char c)
: rep(Salloc(0, &c, 1, 1)) {}
inline String::~String() { if (rep != &_nilStrRep) delete rep; }
inline SubString::SubString(const SubString& x)
:S(x.S), pos(x.pos), len(x.len) {}
inline SubString::SubString(String& x, int first, int l)
:S(x), pos(first), len(l) {}
inline SubString::~SubString() {}
// assignment
inline void String::operator = (const String& y)
{
rep = Scopy(rep, y.rep);
}
inline void String::operator=(const char* t)
{
rep = Salloc(rep, t, -1, -1);
}
inline void String::operator=(const SubString& y)
{
rep = Salloc(rep, y.chars(), y.length(), y.length());
}
inline void String::operator=(char c)
{
rep = Salloc(rep, &c, 1, 1);
}
inline void SubString::operator = (const char* ys)
{
assign(0, ys);
}
inline void SubString::operator = (char ch)
{
assign(0, &ch, 1);
}
inline void SubString::operator = (const String& y)
{
assign(y.rep, y.chars(), y.length());
}
inline void SubString::operator = (const SubString& y)
{
assign(y.S.rep, y.chars(), y.length());
}
// Zillions of cats...
inline void cat(const String& x, const String& y, String& r)
{
r.rep = Scat(r.rep, x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const String& x, const SubString& y, String& r)
{
r.rep = Scat(r.rep, x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const String& x, const char* y, String& r)
{
r.rep = Scat(r.rep, x.chars(), x.length(), y, -1);
}
inline void cat(const String& x, char y, String& r)
{
r.rep = Scat(r.rep, x.chars(), x.length(), &y, 1);
}
inline void cat(const SubString& x, const String& y, String& r)
{
r.rep = Scat(r.rep, x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const SubString& x, const SubString& y, String& r)
{
r.rep = Scat(r.rep, x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const SubString& x, const char* y, String& r)
{
r.rep = Scat(r.rep, x.chars(), x.length(), y, -1);
}
inline void cat(const SubString& x, char y, String& r)
{
r.rep = Scat(r.rep, x.chars(), x.length(), &y, 1);
}
inline void cat(const char* x, const String& y, String& r)
{
r.rep = Scat(r.rep, x, -1, y.chars(), y.length());
}
inline void cat(const char* x, const SubString& y, String& r)
{
r.rep = Scat(r.rep, x, -1, y.chars(), y.length());
}
inline void cat(const char* x, const char* y, String& r)
{
r.rep = Scat(r.rep, x, -1, y, -1);
}
inline void cat(const char* x, char y, String& r)
{
r.rep = Scat(r.rep, x, -1, &y, 1);
}
inline void cat(const String& a, const String& x, const String& y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const String& a, const String& x, const SubString& y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const String& a, const String& x, const char* y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x.chars(), x.length(), y, -1);
}
inline void cat(const String& a, const String& x, char y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x.chars(), x.length(), &y, 1);
}
inline void cat(const String& a, const SubString& x, const String& y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const String& a, const SubString& x, const SubString& y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const String& a, const SubString& x, const char* y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x.chars(), x.length(), y, -1);
}
inline void cat(const String& a, const SubString& x, char y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x.chars(), x.length(), &y, 1);
}
inline void cat(const String& a, const char* x, const String& y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x, -1, y.chars(), y.length());
}
inline void cat(const String& a, const char* x, const SubString& y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x, -1, y.chars(), y.length());
}
inline void cat(const String& a, const char* x, const char* y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x, -1, y, -1);
}
inline void cat(const String& a, const char* x, char y, String& r)
{
r.rep = Scat(r.rep, a.chars(), a.length(), x, -1, &y, 1);
}
inline void cat(const char* a, const String& x, const String& y, String& r)
{
r.rep = Scat(r.rep, a, -1, x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const char* a, const String& x, const SubString& y, String& r)
{
r.rep = Scat(r.rep, a, -1, x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const char* a, const String& x, const char* y, String& r)
{
r.rep = Scat(r.rep, a, -1, x.chars(), x.length(), y, -1);
}
inline void cat(const char* a, const String& x, char y, String& r)
{
r.rep = Scat(r.rep, a, -1, x.chars(), x.length(), &y, 1);
}
inline void cat(const char* a, const SubString& x, const String& y, String& r)
{
r.rep = Scat(r.rep, a, -1, x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const char* a, const SubString& x, const SubString& y, String& r)
{
r.rep = Scat(r.rep, a, -1, x.chars(), x.length(), y.chars(), y.length());
}
inline void cat(const char* a, const SubString& x, const char* y, String& r)
{
r.rep = Scat(r.rep, a, -1, x.chars(), x.length(), y, -1);
}
inline void cat(const char* a, const SubString& x, char y, String& r)
{
r.rep = Scat(r.rep, a, -1, x.chars(), x.length(), &y, 1);
}
inline void cat(const char* a, const char* x, const String& y, String& r)
{
r.rep = Scat(r.rep, a, -1, x, -1, y.chars(), y.length());
}
inline void cat(const char* a, const char* x, const SubString& y, String& r)
{
r.rep = Scat(r.rep, a, -1, x, -1, y.chars(), y.length());
}
inline void cat(const char* a, const char* x, const char* y, String& r)
{
r.rep = Scat(r.rep, a, -1, x, -1, y, -1);
}
inline void cat(const char* a, const char* x, char y, String& r)
{
r.rep = Scat(r.rep, a, -1, x, -1, &y, 1);
}
// operator versions
inline void String::operator +=(const String& y)
{
cat(*this, y, *this);
}
inline void String::operator +=(const SubString& y)
{
cat(*this, y, *this);
}
inline void String::operator += (const char* y)
{
cat(*this, y, *this);
}
inline void String:: operator +=(char y)
{
cat(*this, y, *this);
}
// constructive concatenation
#if defined(__GNUG__) && !defined(NO_NRV)
inline String operator + (const String& x, const String& y) return r;
{
cat(x, y, r);
}
inline String operator + (const String& x, const SubString& y) return r;
{
cat(x, y, r);
}
inline String operator + (const String& x, const char* y) return r;
{
cat(x, y, r);
}
inline String operator + (const String& x, char y) return r;
{
cat(x, y, r);
}
inline String operator + (const SubString& x, const String& y) return r;
{
cat(x, y, r);
}
inline String operator + (const SubString& x, const SubString& y) return r;
{
cat(x, y, r);
}
inline String operator + (const SubString& x, const char* y) return r;
{
cat(x, y, r);
}
inline String operator + (const SubString& x, char y) return r;
{
cat(x, y, r);
}
inline String operator + (const char* x, const String& y) return r;
{
cat(x, y, r);
}
inline String operator + (const char* x, const SubString& y) return r;
{
cat(x, y, r);
}
inline String reverse(const String& x) return r;
{
r.rep = Sreverse(x.rep, r.rep);
}
inline String upcase(const String& x) return r;
{
r.rep = Supcase(x.rep, r.rep);
}
inline String downcase(const String& x) return r;
{
r.rep = Sdowncase(x.rep, r.rep);
}
inline String capitalize(const String& x) return r;
{
r.rep = Scapitalize(x.rep, r.rep);
}
#else /* NO_NRV */
inline String operator + (const String& x, const String& y)
{
String r; cat(x, y, r); return r;
}
inline String operator + (const String& x, const SubString& y)
{
String r; cat(x, y, r); return r;
}
inline String operator + (const String& x, const char* y)
{
String r; cat(x, y, r); return r;
}
inline String operator + (const String& x, char y)
{
String r; cat(x, y, r); return r;
}
inline String operator + (const SubString& x, const String& y)
{
String r; cat(x, y, r); return r;
}
inline String operator + (const SubString& x, const SubString& y)
{
String r; cat(x, y, r); return r;
}
inline String operator + (const SubString& x, const char* y)
{
String r; cat(x, y, r); return r;
}
inline String operator + (const SubString& x, char y)
{
String r; cat(x, y, r); return r;
}
inline String operator + (const char* x, const String& y)
{
String r; cat(x, y, r); return r;
}
inline String operator + (const char* x, const SubString& y)
{
String r; cat(x, y, r); return r;
}
inline String reverse(const String& x)
{
String r; r.rep = Sreverse(x.rep, r.rep); return r;
}
inline String upcase(const String& x)
{
String r; r.rep = Supcase(x.rep, r.rep); return r;
}
inline String downcase(const String& x)
{
String r; r.rep = Sdowncase(x.rep, r.rep); return r;
}
inline String capitalize(const String& x)
{
String r; r.rep = Scapitalize(x.rep, r.rep); return r;
}
#endif
// prepend
inline void String::prepend(const String& y)
{
rep = Sprepend(rep, y.chars(), y.length());
}
inline void String::prepend(const char* y)
{
rep = Sprepend(rep, y, -1);
}
inline void String::prepend(char y)
{
rep = Sprepend(rep, &y, 1);
}
inline void String::prepend(const SubString& y)
{
rep = Sprepend(rep, y.chars(), y.length());
}
// misc transformations
inline void String::reverse()
{
rep = Sreverse(rep, rep);
}
inline void String::upcase()
{
rep = Supcase(rep, rep);
}
inline void String::downcase()
{
rep = Sdowncase(rep, rep);
}
inline void String::capitalize()
{
rep = Scapitalize(rep, rep);
}
// element extraction
inline char& String::operator [] (int i)
{
if (((unsigned)i) >= length()) error("invalid index");
return rep->s[i];
}
inline char String::elem (int i) const
{
if (((unsigned)i) >= length()) error("invalid index");
return rep->s[i];
}
inline char String::firstchar() const
{
return elem(0);
}
inline char String::lastchar() const
{
return elem(length() - 1);
}
// searching
inline int String::index(char c, int startpos) const
{
return search(startpos, length(), c);
}
inline int String::index(const char* t, int startpos) const
{
return search(startpos, length(), t);
}
inline int String::index(const String& y, int startpos) const
{
return search(startpos, length(), y.chars(), y.length());
}
inline int String::index(const SubString& y, int startpos) const
{
return search(startpos, length(), y.chars(), y.length());
}
inline int String::index(const Regex& r, int startpos) const
{
int unused; return r.search(chars(), length(), unused, startpos);
}
inline int String::contains(char c) const
{
return search(0, length(), c) >= 0;
}
inline int String::contains(const char* t) const
{
return search(0, length(), t) >= 0;
}
inline int String::contains(const String& y) const
{
return search(0, length(), y.chars(), y.length()) >= 0;
}
inline int String::contains(const SubString& y) const
{
return search(0, length(), y.chars(), y.length()) >= 0;
}
inline int String::contains(char c, int p) const
{
return match(p, length(), 0, &c, 1) >= 0;
}
inline int String::contains(const char* t, int p) const
{
return match(p, length(), 0, t) >= 0;
}
inline int String::contains(const String& y, int p) const
{
return match(p, length(), 0, y.chars(), y.length()) >= 0;
}
inline int String::contains(const SubString& y, int p) const
{
return match(p, length(), 0, y.chars(), y.length()) >= 0;
}
inline int String::contains(const Regex& r) const
{
int unused; return r.search(chars(), length(), unused, 0) >= 0;
}
inline int String::contains(const Regex& r, int p) const
{
return r.match(chars(), length(), p) >= 0;
}
inline int String::matches(const SubString& y, int p) const
{
return match(p, length(), 1, y.chars(), y.length()) >= 0;
}
inline int String::matches(const String& y, int p) const
{
return match(p, length(), 1, y.chars(), y.length()) >= 0;
}
inline int String::matches(const char* t, int p) const
{
return match(p, length(), 1, t) >= 0;
}
inline int String::matches(char c, int p) const
{
return match(p, length(), 1, &c, 1) >= 0;
}
inline int String::matches(const Regex& r, int p) const
{
int l = (p < 0)? -p : length() - p;
return r.match(chars(), length(), p) == l;
}
inline int SubString::contains(const char* t) const
{
return S.search(pos, pos+len, t) >= 0;
}
inline int SubString::contains(const String& y) const
{
return S.search(pos, pos+len, y.chars(), y.length()) >= 0;
}
inline int SubString::contains(const SubString& y) const
{
return S.search(pos, pos+len, y.chars(), y.length()) >= 0;
}
inline int SubString::contains(char c) const
{
return S.search(pos, pos+len, c) >= 0;
}
inline int SubString::contains(const Regex& r) const
{
int unused; return r.search(chars(), len, unused, 0) >= 0;
}
inline int SubString::matches(const Regex& r) const
{
return r.match(chars(), len, 0) == len;
}
inline int String::gsub(const String& pat, const String& r)
{
return _gsub(pat.chars(), pat.length(), r.chars(), r.length());
}
inline int String::gsub(const SubString& pat, const String& r)
{
return _gsub(pat.chars(), pat.length(), r.chars(), r.length());
}
inline int String::gsub(const Regex& pat, const String& r)
{
return _gsub(pat, r.chars(), r.length());
}
inline int String::gsub(const char* pat, const String& r)
{
return _gsub(pat, -1, r.chars(), r.length());
}
inline int String::gsub(const char* pat, const char* r)
{
return _gsub(pat, -1, r, -1);
}
inline ostream& operator<<(ostream& s, const String& x)
{
s << x.chars(); return s;
}
// a zillion comparison operators
inline int operator==(const String& x, const String& y)
{
return compare(x, y) == 0;
}
inline int operator!=(const String& x, const String& y)
{
return compare(x, y) != 0;
}
inline int operator>(const String& x, const String& y)
{
return compare(x, y) > 0;
}
inline int operator>=(const String& x, const String& y)
{
return compare(x, y) >= 0;
}
inline int operator<(const String& x, const String& y)
{
return compare(x, y) < 0;
}
inline int operator<=(const String& x, const String& y)
{
return compare(x, y) <= 0;
}
inline int operator==(const String& x, const SubString& y)
{
return compare(x, y) == 0;
}
inline int operator!=(const String& x, const SubString& y)
{
return compare(x, y) != 0;
}
inline int operator>(const String& x, const SubString& y)
{
return compare(x, y) > 0;
}
inline int operator>=(const String& x, const SubString& y)
{
return compare(x, y) >= 0;
}
inline int operator<(const String& x, const SubString& y)
{
return compare(x, y) < 0;
}
inline int operator<=(const String& x, const SubString& y)
{
return compare(x, y) <= 0;
}
inline int operator==(const String& x, const char* t)
{
return compare(x, t) == 0;
}
inline int operator!=(const String& x, const char* t)
{
return compare(x, t) != 0;
}
inline int operator>(const String& x, const char* t)
{
return compare(x, t) > 0;
}
inline int operator>=(const String& x, const char* t)
{
return compare(x, t) >= 0;
}
inline int operator<(const String& x, const char* t)
{
return compare(x, t) < 0;
}
inline int operator<=(const String& x, const char* t)
{
return compare(x, t) <= 0;
}
inline int operator==(const SubString& x, const String& y)
{
return compare(y, x) == 0;
}
inline int operator!=(const SubString& x, const String& y)
{
return compare(y, x) != 0;
}
inline int operator>(const SubString& x, const String& y)
{
return compare(y, x) < 0;
}
inline int operator>=(const SubString& x, const String& y)
{
return compare(y, x) <= 0;
}
inline int operator<(const SubString& x, const String& y)
{
return compare(y, x) > 0;
}
inline int operator<=(const SubString& x, const String& y)
{
return compare(y, x) >= 0;
}
inline int operator==(const SubString& x, const SubString& y)
{
return compare(x, y) == 0;
}
inline int operator!=(const SubString& x, const SubString& y)
{
return compare(x, y) != 0;
}
inline int operator>(const SubString& x, const SubString& y)
{
return compare(x, y) > 0;
}
inline int operator>=(const SubString& x, const SubString& y)
{
return compare(x, y) >= 0;
}
inline int operator<(const SubString& x, const SubString& y)
{
return compare(x, y) < 0;
}
inline int operator<=(const SubString& x, const SubString& y)
{
return compare(x, y) <= 0;
}
inline int operator==(const SubString& x, const char* t)
{
return compare(x, t) == 0;
}
inline int operator!=(const SubString& x, const char* t)
{
return compare(x, t) != 0;
}
inline int operator>(const SubString& x, const char* t)
{
return compare(x, t) > 0;
}
inline int operator>=(const SubString& x, const char* t)
{
return compare(x, t) >= 0;
}
inline int operator<(const SubString& x, const char* t)
{
return compare(x, t) < 0;
}
inline int operator<=(const SubString& x, const char* t)
{
return compare(x, t) <= 0;
}
// a helper needed by at, before, etc.
inline SubString String::_substr(int first, int l)
{
if (first < 0 || (unsigned)(first + l) > length() )
return SubString(_nilString, 0, 0) ;
else
return SubString(*this, first, l);
}
#endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.