30
int sortcmp(const String *a,const String *b, const CHARSET_INFO * const cs);
31
String *copy_if_not_alloced(String *a,String *b,uint32_t arg_length);
32
uint32_t copy_and_convert(char *to, uint32_t to_length, const CHARSET_INFO * const to_cs,
33
const char *from, uint32_t from_length,
34
const CHARSET_INFO * const from_cs, uint *errors);
35
uint32_t well_formed_copy_nchars(const CHARSET_INFO * const to_cs,
27
int sortcmp(const String *a,const String *b, CHARSET_INFO *cs);
28
String *copy_if_not_alloced(String *a,String *b,uint32 arg_length);
29
uint32 copy_and_convert(char *to, uint32 to_length, CHARSET_INFO *to_cs,
30
const char *from, uint32 from_length,
31
CHARSET_INFO *from_cs, uint *errors);
32
uint32 well_formed_copy_nchars(CHARSET_INFO *to_cs,
36
33
char *to, uint to_length,
37
const CHARSET_INFO * const from_cs,
34
CHARSET_INFO *from_cs,
38
35
const char *from, uint from_length,
40
37
const char **well_formed_error_pos,
41
38
const char **cannot_convert_error_pos,
42
39
const char **from_end_pos);
43
size_t my_copy_with_hex_escaping(const CHARSET_INFO * const cs,
40
size_t my_copy_with_hex_escaping(CHARSET_INFO *cs,
44
41
char *dst, size_t dstlen,
45
42
const char *src, size_t srclen);
50
uint32_t str_length,Alloced_length;
47
uint32 str_length,Alloced_length;
52
const CHARSET_INFO *str_charset;
49
CHARSET_INFO *str_charset;
56
53
Ptr=0; str_length=Alloced_length=0; alloced=0;
57
54
str_charset= &my_charset_bin;
59
String(uint32_t length_arg)
56
String(uint32 length_arg)
61
58
alloced=0; Alloced_length=0; (void) real_alloc(length_arg);
62
59
str_charset= &my_charset_bin;
64
String(const char *str, const CHARSET_INFO * const cs)
61
String(const char *str, CHARSET_INFO *cs)
66
63
Ptr=(char*) str; str_length=(uint) strlen(str); Alloced_length=0; alloced=0;
69
String(const char *str,uint32_t len, const CHARSET_INFO * const cs)
66
String(const char *str,uint32 len, CHARSET_INFO *cs)
71
68
Ptr=(char*) str; str_length=len; Alloced_length=0; alloced=0;
74
String(char *str,uint32_t len, const CHARSET_INFO * const cs)
71
String(char *str,uint32 len, CHARSET_INFO *cs)
76
73
Ptr=(char*) str; Alloced_length=str_length=len; alloced=0;
85
82
static void *operator new(size_t size, MEM_ROOT *mem_root)
86
83
{ return (void*) alloc_root(mem_root, (uint) size); }
87
static void operator delete(void *ptr_arg __attribute__((unused)),
88
size_t size __attribute__((unused)))
84
static void operator delete(void *ptr_arg __attribute__((__unused__)),
85
size_t size __attribute__((__unused__)))
89
86
{ TRASH(ptr_arg, size); }
90
static void operator delete(void *ptr_arg __attribute__((unused)),
91
MEM_ROOT *mem_root __attribute__((unused)))
87
static void operator delete(void *ptr_arg __attribute__((__unused__)),
88
MEM_ROOT *mem_root __attribute__((__unused__)))
92
89
{ /* never called */ }
93
90
~String() { free(); }
95
inline void set_charset(const CHARSET_INFO * const charset_arg)
92
inline void set_charset(CHARSET_INFO *charset_arg)
96
93
{ str_charset= charset_arg; }
97
inline const CHARSET_INFO *charset() const { return str_charset; }
98
inline uint32_t length() const { return str_length;}
99
inline uint32_t alloced_length() const { return Alloced_length;}
100
inline char& operator [] (uint32_t i) const { return Ptr[i]; }
101
inline void length(uint32_t len) { str_length=len ; }
94
inline CHARSET_INFO *charset() const { return str_charset; }
95
inline uint32 length() const { return str_length;}
96
inline uint32 alloced_length() const { return Alloced_length;}
97
inline char& operator [] (uint32 i) const { return Ptr[i]; }
98
inline void length(uint32 len) { str_length=len ; }
102
99
inline bool is_empty() { return (str_length == 0); }
103
100
inline void mark_as_const() { Alloced_length= 0;}
104
inline char *ptr() { return Ptr; }
105
101
inline const char *ptr() const { return Ptr; }
106
102
inline char *c_ptr()
135
131
Alloced_length=0;
136
132
str_charset=str.str_charset;
138
inline void set(char *str,uint32_t arg_length, const CHARSET_INFO * const cs)
134
inline void set(char *str,uint32 arg_length, CHARSET_INFO *cs)
141
137
Ptr=(char*) str; str_length=Alloced_length=arg_length ; alloced=0;
144
inline void set(const char *str,uint32_t arg_length, const CHARSET_INFO * const cs)
140
inline void set(const char *str,uint32 arg_length, CHARSET_INFO *cs)
147
143
Ptr=(char*) str; str_length=arg_length; Alloced_length=0 ; alloced=0;
150
bool set_ascii(const char *str, uint32_t arg_length);
151
inline void set_quick(char *str,uint32_t arg_length, const CHARSET_INFO * const cs)
146
bool set_ascii(const char *str, uint32 arg_length);
147
inline void set_quick(char *str,uint32 arg_length, CHARSET_INFO *cs)
159
bool set_int(int64_t num, bool unsigned_flag, const CHARSET_INFO * const cs);
160
bool set(int64_t num, const CHARSET_INFO * const cs)
155
bool set_int(int64_t num, bool unsigned_flag, CHARSET_INFO *cs);
156
bool set(int64_t num, CHARSET_INFO *cs)
161
157
{ return set_int(num, false, cs); }
162
bool set(uint64_t num, const CHARSET_INFO * const cs)
158
bool set(uint64_t num, CHARSET_INFO *cs)
163
159
{ return set_int((int64_t)num, true, cs); }
164
bool set_real(double num,uint decimals, const CHARSET_INFO * const cs);
160
bool set_real(double num,uint decimals, CHARSET_INFO *cs);
201
197
str_length=0; /* Safety */
204
inline bool alloc(uint32_t arg_length)
200
inline bool alloc(uint32 arg_length)
206
202
if (arg_length < Alloced_length)
208
204
return real_alloc(arg_length);
210
bool real_alloc(uint32_t arg_length); // Empties old string
211
bool realloc(uint32_t arg_length);
212
inline void shrink(uint32_t arg_length) // Shrink buffer
206
bool real_alloc(uint32 arg_length); // Empties old string
207
bool realloc(uint32 arg_length);
208
inline void shrink(uint32 arg_length) // Shrink buffer
214
210
if (arg_length < Alloced_length)
246
242
bool copy(); // Alloc string if not alloced
247
243
bool copy(const String &s); // Allocate new string
248
bool copy(const char *s,uint32_t arg_length, const CHARSET_INFO * const cs); // Allocate new string
249
static bool needs_conversion(uint32_t arg_length,
250
const CHARSET_INFO * const cs_from, const CHARSET_INFO * const cs_to,
252
bool copy_aligned(const char *s, uint32_t arg_length, uint32_t offset,
253
const CHARSET_INFO * const cs);
254
bool set_or_copy_aligned(const char *s, uint32_t arg_length, const CHARSET_INFO * const cs);
255
bool copy(const char*s,uint32_t arg_length, const CHARSET_INFO * const csfrom,
256
const CHARSET_INFO * const csto, uint *errors);
244
bool copy(const char *s,uint32 arg_length, CHARSET_INFO *cs); // Allocate new string
245
static bool needs_conversion(uint32 arg_length,
246
CHARSET_INFO *cs_from, CHARSET_INFO *cs_to,
248
bool copy_aligned(const char *s, uint32 arg_length, uint32 offset,
250
bool set_or_copy_aligned(const char *s, uint32 arg_length, CHARSET_INFO *cs);
251
bool copy(const char*s,uint32 arg_length, CHARSET_INFO *csfrom,
252
CHARSET_INFO *csto, uint *errors);
257
253
bool append(const String &s);
258
254
bool append(const char *s);
259
bool append(const char *s,uint32_t arg_length);
260
bool append(const char *s,uint32_t arg_length, const CHARSET_INFO * const cs);
261
bool append(IO_CACHE* file, uint32_t arg_length);
262
bool append_with_prefill(const char *s, uint32_t arg_length,
263
uint32_t full_length, char fill_char);
264
int strstr(const String &search,uint32_t offset=0); // Returns offset to substring or -1
265
int strrstr(const String &search,uint32_t offset=0); // Returns offset to substring or -1
266
bool replace(uint32_t offset,uint32_t arg_length,const char *to,uint32_t length);
267
bool replace(uint32_t offset,uint32_t arg_length,const String &to);
255
bool append(const char *s,uint32 arg_length);
256
bool append(const char *s,uint32 arg_length, CHARSET_INFO *cs);
257
bool append(IO_CACHE* file, uint32 arg_length);
258
bool append_with_prefill(const char *s, uint32 arg_length,
259
uint32 full_length, char fill_char);
260
int strstr(const String &search,uint32 offset=0); // Returns offset to substring or -1
261
int strrstr(const String &search,uint32 offset=0); // Returns offset to substring or -1
262
bool replace(uint32 offset,uint32 arg_length,const char *to,uint32 length);
263
bool replace(uint32 offset,uint32 arg_length,const String &to);
268
264
inline bool append(char chr)
270
266
if (str_length < Alloced_length)
282
bool fill(uint32_t max_length,char fill);
283
friend int sortcmp(const String *a,const String *b, const CHARSET_INFO * const cs);
278
bool fill(uint32 max_length,char fill);
280
friend int sortcmp(const String *a,const String *b, CHARSET_INFO *cs);
284
281
friend int stringcmp(const String *a,const String *b);
285
friend String *copy_if_not_alloced(String *a,String *b,uint32_t arg_length);
287
int charpos(int i,uint32_t offset=0);
282
friend String *copy_if_not_alloced(String *a,String *b,uint32 arg_length);
284
int charpos(int i,uint32 offset=0);
289
int reserve(uint32_t space_needed)
286
int reserve(uint32 space_needed)
291
288
return realloc(str_length + space_needed);
293
int reserve(uint32_t space_needed, uint32_t grow_by);
290
int reserve(uint32 space_needed, uint32 grow_by);
296
293
The following append operations do NOT check alloced memory
316
313
float8store(Ptr + str_length, *d);
319
void q_append(const char *data, uint32_t data_len)
316
void q_append(const char *data, uint32 data_len)
321
318
memcpy(Ptr + str_length, data, data_len);
322
319
str_length += data_len;
325
void write_at_position(int position, uint32_t value)
322
void write_at_position(int position, uint32 value)
327
324
int4store(Ptr + position,value);
330
void qs_append(const char *str, uint32_t len);
327
void qs_append(const char *str, uint32 len);
331
328
void qs_append(double d);
332
329
void qs_append(double *d);
333
330
inline void qs_append(const char c)
341
338
/* Inline (general) functions used by the protocol functions */
343
inline char *prep_append(uint32_t arg_length, uint32_t step_alloc)
340
inline char *prep_append(uint32 arg_length, uint32 step_alloc)
345
uint32_t new_length= arg_length + str_length;
342
uint32 new_length= arg_length + str_length;
346
343
if (new_length > Alloced_length)
348
345
if (realloc(new_length + step_alloc))
351
uint32_t old_length= str_length;
348
uint32 old_length= str_length;
352
349
str_length+= arg_length;
353
350
return Ptr+ old_length; /* Area to use */
356
inline bool append(const char *s, uint32_t arg_length, uint32_t step_alloc)
353
inline bool append(const char *s, uint32 arg_length, uint32 step_alloc)
358
uint32_t new_length= arg_length + str_length;
355
uint32 new_length= arg_length + str_length;
359
356
if (new_length > Alloced_length && realloc(new_length + step_alloc))
361
358
memcpy(Ptr+str_length, s, arg_length);
362
359
str_length+= arg_length;
365
362
void print(String *print);