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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
#ifndef REPLXX_UTF8STRING_HXX_INCLUDED
#define REPLXX_UTF8STRING_HXX_INCLUDED
#include <memory>
#include "unicodestring.hxx"
namespace replxx {
class Utf8String {
private:
typedef std::unique_ptr<char[]> buffer_t;
buffer_t _data;
int _bufSize;
int _len;
public:
Utf8String( void )
: _data()
, _bufSize( 0 )
, _len( 0 ) {
}
explicit Utf8String( UnicodeString const& src )
: _data()
, _bufSize( 0 )
, _len( 0 ) {
assign( src, src.length() );
}
Utf8String( UnicodeString const& src_, int len_ )
: _data()
, _bufSize( 0 )
, _len( 0 ) {
assign( src_, len_ );
}
void assign( UnicodeString const& str_ ) {
assign( str_, str_.length() );
}
void assign( UnicodeString const& str_, int len_ ) {
assign( str_.get(), len_ );
}
void assign( char32_t const* str_, int len_ ) {
int len( len_ * 4 );
realloc( len );
_len = copyString32to8( _data.get(), len, str_, len_ );
}
void assign( std::string const& str_ ) {
realloc( static_cast<int>( str_.length() ) );
strncpy( _data.get(), str_.c_str(), str_.length() );
_len = static_cast<int>( str_.length() );
}
void assign( Utf8String const& other_ ) {
realloc( other_._len );
strncpy( _data.get(), other_._data.get(), other_._len );
_len = other_._len;
}
char const* get() const {
return _data.get();
}
int size( void ) const {
return ( _len );
}
bool operator != ( Utf8String const& other_ ) {
return (
( other_._len != _len )
|| (
( _len != 0 )
&& ( memcmp( other_._data.get(), _data.get(), _len ) != 0 )
)
);
}
private:
void realloc( int reqLen ) {
if ( ( reqLen + 1 ) > _bufSize ) {
_bufSize = 1;
while ( ( reqLen + 1 ) > _bufSize ) {
_bufSize *= 2;
}
_data.reset( new char[_bufSize] );
memset( _data.get(), 0, _bufSize );
}
_data[reqLen] = 0;
return;
}
Utf8String(const Utf8String&) = delete;
Utf8String& operator=(const Utf8String&) = delete;
};
}
#endif
|
