1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/* Copyright (C) 2003,2004 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef _myx_const_string_h
# define _myx_const_string_h
#include <string.h>
#include "myx_aux_functions.h"
///////////////////////////////////////////////////////////////////////////////
class const_string
{
public:
const_string() { m_data= 0; m_length= 0; }
const_string(const char * str, size_t len) { m_data= str; m_length= len; }
const_string(const const_string & s) {
m_data= s.m_data;
m_length= s.m_length;
}
bool operator == (const const_string & s) const
{ return m_length==s.m_length && !strncmp(m_data,s.m_data,m_length); }
bool operator != (const const_string & s) const
{ return !(*this==s); }
bool equal_case_insensitively_to(const const_string & str)const
{
return length()==str.length() && !strncasecmp(data(),str.data(),length());
}
char operator [] (size_t i) const {return m_data[i];}
size_t length () const {return m_length;}
const char * data () const {return m_data;}
const char * begin () const {return m_data;}
const char * end () const {return m_data+m_length;}
const char & front () const { return m_data[0]; }
const char & back () const { return m_data[m_length-1]; }
bool empty() const { return m_data==0 || m_length==0; }
protected:
const char * m_data;
size_t m_length;
};
#define CONST_STR(s) const_string(s,sizeof(s)-1)
///////////////////////////////////////////////////////////////////////////////
#endif // _myx_const_string_h
|
