]>
cygwin.com Git - cygwin-apps/setup.git/blob - String++.h
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"
28 // Static members first
30 inline String (String
const &);
31 // We're notperformance bottlenecked.
32 String (const char *);
33 inline String
& operator = (String
const &);
35 // Up to the user to delete[] these.
37 char * cstr() const; // may be less optimal
38 char const * cstr_oneuse() const; // only valid until the next mutator call
39 // pretends to be const !!
40 inline size_t size() const; // number of characters (!= storage size).
41 size_t find (char) const;
42 // operator == and != can be done if/when we have a 'casesensitive' flag to
44 // - means this sorts to the left of the parameter
45 int compare (String
const &, size_t const = 0) const;
46 static int compare (String
const &, String
const &, size_t const = 0);
47 int casecompare (String
const &, size_t const = 0) const;
48 static int casecompare (String
const &, String
const &, size_t const = 0);
49 static int casecompare (String
const, String
const);
50 String
&append (String
const &);
51 String
&operator += (String
const &);
52 String
operator + (String
const &) const;
53 String
operator + (char const *) const;
54 bool operator == (String
const &) const;
55 bool operator == (char const *) const;
62 _data (_data
const &);
64 unsigned count
; //Invariant: all constructors set to 1;
65 // For now, char *, but can be TCHAR, or even UNICODE
67 unsigned char *theString
;
68 char *cstr
; // cached/oneuse Cstr encoded version
70 } *theData
; // Invariant, there is always an
71 static String
absorb (unsigned char *, size_t);
74 String::String() : theData (new _data
) {}
75 String::String(String
const &aString
) : theData (aString
.theData
)
81 String::operator= (String
const &aString
)
83 // Don't touch the order
84 ++aString
.theData
->count
;
85 if (--theData
->count
== 0)
87 theData
= aString
.theData
;
94 return theData
->length
;
97 #endif // CINSTALL_STRING_H
This page took 0.066919 seconds and 5 git commands to generate.