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2 * Copyright (c) 2002, Robert Collins.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * A copy of the GNU General Public License can be found at
12 * Written by Robert Collins.
16 // A String class to replace all the char * manipulation.
18 #ifndef CINSTALL_STRING_H
19 #define CINSTALL_STRING_H
22 #include <sys/types.h>
29 // Static members first
31 inline String (String
const &);
32 // We're notperformance bottlenecked.
33 String (const char *);
34 inline String
& operator = (String
const &);
36 // Up to the user to delete[] these.
38 char * cstr() const; // may be less optimal
39 char const * cstr_oneuse() const; // only valid until the next mutator call
40 // pretends to be const !!
41 inline size_t size() const; // number of characters (!= storage size).
42 size_t find (char) const;
43 // operator == and != can be done if/when we have a 'casesensitive' flag to
45 // - means this sorts to the left of the parameter
46 int compare (String
const &, size_t const = 0) const;
47 static int compare (String
const &, String
const &, size_t const = 0);
48 int casecompare (String
const &, size_t const = 0) const;
49 static int casecompare (String
const &, String
const &, size_t const = 0);
50 static int casecompare (String
const, String
const);
51 String
&append (String
const &);
52 String
&operator += (String
const &);
53 String
operator + (String
const &) const;
54 String
operator + (char const *) const;
55 bool operator == (String
const &) const;
56 bool operator == (char const *) const;
63 _data (_data
const &);
65 unsigned count
; //Invariant: all constructors set to 1;
66 // For now, char *, but can be TCHAR, or even UNICODE
68 unsigned char *theString
;
69 char *cstr
; // cached/oneuse Cstr encoded version
71 } *theData
; // Invariant, there is always an
72 static String
absorb (unsigned char *, size_t);
76 operator << (ostream
&os
, String
const &theString
);
78 String::String() : theData (new _data
) {}
79 String::String(String
const &aString
) : theData (aString
.theData
)
85 String::operator= (String
const &aString
)
87 // Don't touch the order
88 ++aString
.theData
->count
;
89 if (--theData
->count
== 0)
91 theData
= aString
.theData
;
98 return theData
->length
;
101 #endif // CINSTALL_STRING_H
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